Compression type garbage truck with automatic blowdown device

Abstract

The utility model provides a compression garbage truck with an automatic blowdown device, which relates to the technical field of garbage trucks and comprises a garbage truck body, the garbage truck body comprises a carriage, a throwing box is arranged on one side of the carriage, the carriage is communicated with the throwing box through a throwing opening, a compression component is arranged in the carriage, and a sewage collecting box is arranged at the bottom of the carriage. A first inclined guide plate is arranged between the feeding opening and the compression assembly, the bottom wall of the first inclined guide plate is fixedly connected with the inner wall of the bottom of the compartment, a first sewage discharging hole is formed in the first inclined guide plate, a first filter plate is obliquely arranged in the first sewage discharging hole, and the lower end of the first sewage discharging hole communicates with a sewage discharging box; the lower end of the blowdown box is communicated with the inside of the sewage collecting box through a communicating pipe. According to the utility model, garbage in the carriage can slide along the surface of the first inclined guide plate and smoothly slide through the upper surface of the first filter plate, so that the garbage is prevented from being accumulated on the upper surface of the first filter plate, and the garbage on the surface of the first filter plate does not need to be cleaned manually.

Description

Technical Field

[0001] The utility model relates to the technical field of garbage trucks, in particular to a compression type garbage truck with an automatic sewage discharge device. Background Art

[0002] Compression garbage trucks are primarily composed of a garbage bin, a compression device, a garbage conveying system, and a control system. When the bin is full of garbage, the compression device begins to work, using a hydraulic system or electric motor to drive a mechanical device to compress the garbage, significantly reducing its volume. This process not only improves the loading efficiency of the garbage truck but also helps reduce the number of transports and costs. To collect sewage from the garbage, compression garbage trucks are equipped with automatic sewage discharge devices, which typically include sewage collection tanks, sewage pipes, and other parts. During the garbage compression process, the sewage generated is collected into the sewage collection tank through the sewage pipe. When the sewage collection tank is full, the sewage can be discharged safely and environmentally friendly to designated treatment facilities.

[0003] For example, the utility model with authorization announcement number CN220316128U discloses a compression type garbage truck with an automatic sewage discharge device, including a car body, the upper surface of the car body is fixedly connected to the compression box, the upper surface of the compression box is provided with a delivery port, the interior of the car body is provided with a filter box and a water storage tank, the left surface of the car body is fixedly connected to a circulation mechanism, the front surface of the car body is provided with a discharge port, both sides of the inner wall of the filter box are fixedly connected with a fixed plate, the upper surface of the fixed plate is slidably connected with an electric slider, a sewage filter plate is provided between the filter box and the water storage tank, and a cleaning mechanism is provided between the electric sliders, and the cleaning mechanism consists of a movable plate, an electric push rod, a brush, a fixed rod, and a push plate; through the above structure, the cleaning mechanism can clean the sewage filter plate, effectively prevent the clogging problem of the sewage filter plate, greatly improve the sewage discharge efficiency, and ensure the sewage discharge standard.

[0004] However, in the above solution, when cleaning the sewage filter plate, the electric push rod needs to be started manually, and automatic cleaning of the sewage filter plate cannot be achieved. Utility Model Content

[0005] The utility model provides a compression type garbage truck with an automatic sewage discharge device, which is used to solve the technical problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model discloses a compression type garbage truck with an automatic sewage discharge device, comprising: a garbage truck body, the garbage truck body includes a car body, a delivery box is arranged on one side of the car body, the car body is connected to the delivery box through a delivery port, a compression component is arranged in the car body, the compression component is located at one end of the car body away from the delivery port, a sewage collection box is arranged at the bottom of the car body, a first inclined guide plate is arranged between the delivery port and the compression component, the bottom wall of the first inclined guide plate is fixedly connected to the inner wall of the bottom of the car body, a first sewage hole is arranged in the first inclined guide plate, a first filter plate is inclinedly arranged in the first sewage hole, the upper surface of the first filter plate and the upper surface of the first inclined guide plate are in the same plane, the lower end of the first sewage hole is connected to the sewage box, and the lower end of the sewage box is connected to the inside of the sewage collection box through a connecting pipe.

[0007] Preferably, the connecting pipe is arranged obliquely, and the height of one end of the connecting pipe close to the sewage tank is higher than the height of one end of the connecting pipe close to the sewage collection tank.

[0008] Preferably, a sewage discharge pipe is provided on the side wall of the sewage collection box, and one end of the sewage discharge pipe is connected to the interior of the sewage collection box.

[0009] Preferably, a second inclined guide plate is provided in the sewage collection box, and the bottom wall of the second inclined guide plate is connected to the bottom inner wall of the sewage collection box.

[0010] Preferably, the longitudinal cross-sections of the first inclined guide plate and the second inclined guide plate are in the shape of a right triangle.

[0011] Preferably, the compression assembly includes an electric push rod, which is arranged on the inner side wall of the carriage, a compression plate is arranged at the output end of the electric push rod, the bottom wall of the compression plate is slidably connected to the inner side wall of the bottom of the carriage, and a guide block is arranged at one end of the compression plate near the delivery port. The cross-section of the guide block is in the shape of a right-angled triangle, one right-angled surface of the guide block is connected to the compression plate, and the other right-angled surface of the guide block is in contact with the inner side wall of the carriage.

[0012] Preferably, a second drain hole is provided on the bottom wall of the carriage, the upper end of the sewage collection box is connected with the interior of the carriage through the second drain hole, and a second filter plate is provided in the second drain hole.

[0013] Preferably, a first rotating shaft is provided above the first filter plate, and the front and rear ends of the first rotating shaft are rotatably connected to the front and rear side walls of the carriage respectively. A plurality of fixed plates are provided on the first rotating shaft, and the plurality of fixed plates are distributed in a circular array about the central axis of the first rotating shaft. A sliding hole is provided at one end of the fixed plate away from the first rotating shaft, and a cleaning scraper is provided for sliding in the sliding hole. A connecting spring is provided on the cleaning scraper near one end of the first rotating shaft, one end of the connecting spring is connected to the cleaning scraper, and the other end of the connecting spring is connected to the inner wall of the sliding hole. The cleaning scraper extends away from one end of the first rotating shaft to the outside of the sliding hole and is provided with cleaning bristles.

[0014] Preferably, one end of the first rotating shaft extends to the outside of the car and is provided with a first pulley, a second rotating shaft is provided in the connecting pipe, the second rotating shaft is parallel to the first rotating shaft, the front and rear ends of the second rotating shaft are respectively rotatably connected to the front and rear side walls of the connecting pipe, a plurality of blades are provided on the outer wall of the second rotating shaft, and the plurality of blades are distributed in a circular array about the central axis of the second rotating shaft, one end of the second rotating shaft extends to the outside of the connecting pipe and is provided with a second pulley, and the first pulley and the second pulley are connected by a transmission belt.

[0015] Preferably, a protective shell is provided on the outer wall of the carriage, and the first pulley, the transmission belt and the second pulley are all provided in the protective shell.

[0016] The technical solution of the present invention has the following advantages: the present invention provides a compression-type garbage truck with an automatic sewage discharge device, which relates to the technical field of garbage trucks and includes a garbage truck body, the garbage truck body including a carriage, a delivery box provided on one side of the carriage, the carriage being connected to the delivery box through a delivery port, a compression assembly provided in the carriage, a sewage collection box provided at the bottom of the carriage, a first inclined guide plate provided between the delivery port and the compression assembly, a bottom wall of the first inclined guide plate fixedly connected to the inner wall of the bottom of the carriage, a first sewage discharge hole provided in the first inclined guide plate, a first filter plate provided obliquely in the first sewage discharge hole, a sewage discharge box provided at the lower end of the first sewage discharge hole, and a sewage discharge box provided at the lower end of the sewage discharge box being connected to the interior of the sewage collection box through a connecting pipe. In the present invention, garbage in the carriage can slide along the surface of the first inclined guide plate and smoothly slide over the upper surface of the first filter plate, thereby preventing garbage from accumulating on the upper surface of the first filter plate, and eliminating the need for manual cleaning of the garbage on the surface of the first filter plate.

[0017] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the devices particularly pointed out in the written description and the drawings.

[0018] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of a compression garbage truck with an automatic sewage discharge device according to the present invention;

[0021] Figure 2 This is a schematic diagram of the internal structure of a compression-type garbage truck with an automatic sewage discharge device according to the present invention;

[0022] Figure 3 For this utility model Figure 2 A magnified view of the structure at center A;

[0023] Figure 4 This is a schematic diagram of the external structure of the carriage in the present utility model;

[0024] Figure 5 This is a top view of the compression assembly in the present invention.

[0025] In the figure: 1. Garbage truck body; 2. Carriage; 3. Dispensing box; 4. Dispensing port; 5. Sewage collection box; 6. First inclined guide plate; 7. First filter plate; 8. Sewage box; 9. Connecting pipe; 10. Sewage pipe; 11. Second inclined guide plate; 12. Electric push rod; 13. Compression plate; 14. Guide block; 15. Second filter plate; 16. First rotating shaft; 17. Fixed plate; 18. Cleaning scraper; 19. Connecting spring; 20. Protective shell; 21. Cleaning brush; 22. First pulley; 23. Second rotating shaft; 24. Blade; 25. Second pulley; 26. Drive belt. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0027] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but this must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] Example 1:

[0029] The present invention provides a compression type garbage truck with an automatic sewage discharge device. Figure 1-Figure 5As shown, it includes: a garbage truck body 1, the garbage truck body 1 includes a carriage 2, a delivery box 3 is set on one side of the carriage 2, the carriage 2 is connected to the delivery box 3 through the delivery port 4, a compression component is set in the carriage 2, the compression component is located in the carriage 2 at one end away from the delivery port 4, a sewage collection tank 5 is set at the bottom of the carriage 2, a first inclined guide plate 6 is set between the delivery port 4 and the compression component, the bottom wall of the first inclined guide plate 6 is fixedly connected to the inner wall of the bottom of the carriage 2, a first sewage hole is set in the first inclined guide plate 6, a first filter plate 7 is obliquely set in the first sewage hole, the upper surface of the first filter plate 7 is in the same plane as the upper surface of the first inclined guide plate 6, the lower end of the first sewage hole is connected to the sewage box 8, and the lower end of the sewage box 8 is connected to the inside of the sewage collection tank 5 through a connecting pipe 9;

[0030] The connecting pipe 9 is tilted, and the height of the connecting pipe 9 close to the sewage tank 8 is higher than the height of the connecting pipe 9 close to the sewage collection tank 5;

[0031] A sewage pipe 10 is provided on the side wall of the sewage collecting box 5, and one end of the sewage pipe 10 is connected to the interior of the sewage collecting box 5;

[0032] A second inclined guide plate 11 is provided in the sewage collection box 5, and the bottom wall of the second inclined guide plate 11 is connected to the bottom inner wall of the sewage collection box 5;

[0033] The first inclined guide plate 6 and the second inclined guide plate 11 have a right triangle shape in longitudinal cross-section.

[0034] The working principle and beneficial effects of the above technical solution are as follows: a delivery port 4 is provided on one side of the carriage 2, and the delivery port 4 is connected to the output end of the delivery box 3. The garbage is put into the delivery box 3 through the input end of the delivery box 3, and then enters the carriage 2 through the delivery port 4. The garbage entering the carriage 2 flows toward the compression assembly along the first inclined guide plate 6. The height of the end of the first inclined guide plate 6 close to the delivery port 4 is higher than the height of the end of the first inclined guide plate 6 close to the compression assembly, so that the garbage in the carriage 2 can slide smoothly along the upper surface of the first inclined guide plate 6 to the compression assembly, and then the garbage is compressed by the compression assembly. The upper surface of the first filter plate 7 is in the same plane as the upper surface of the first inclined guide plate 6. Therefore, the garbage can pass through the first filter plate 7 smoothly. When the garbage slides along the upper surface of the first filter plate 7, the sewage in the garbage can flow into the sewage box 8 through the first filter plate 7, and then flow into the sewage collection box 5 along the inclined connecting pipe 9, thereby realizing the separation of sewage and garbage and the collection of sewage. The sewage in the sewage collection box 5 can be discharged to a designated location through the sewage pipe 10. The second inclined guide plate 11 can make the sewage flow in the direction of the sewage pipe 10, so that the sewage is discharged more thoroughly. Compared with the existing horizontally arranged filter plate, the inclined first filter plate 7 is conducive to the sliding of garbage, avoiding the accumulation of garbage on the upper surface of the first filter plate 7, thereby eliminating the need for manual participation in cleaning the garbage on the surface of the first filter plate 7, and extending the service life of the first filter plate 7.

[0035] Example 2

[0036] On the basis of the above embodiment 1, Figure 2 、 Figure 5 As shown, the compression assembly includes an electric push rod 12, which is arranged on the inner wall of the compartment 2. A compression plate 13 is provided at the output end of the electric push rod 12. The bottom wall of the compression plate 13 is slidably connected to the bottom inner wall of the compartment 2. A guide block 14 is provided at one end of the compression plate 13 close to the delivery port 4. The cross-section of the guide block 14 is in the shape of a right-angled triangle. One right-angled surface of the guide block 14 is connected to the compression plate 13, and the other right-angled surface of the guide block 14 contacts the inner wall of the compartment 2.

[0037] The working principle and beneficial effects of the above technical solution are as follows: after the garbage flows along the first inclined guide plate 6 to the side of the compression plate 13, the electric push rod 12 is started by the controller, and the electric push rod 12 is extended to drive the compression plate 13 to move. The compression plate 13 can squeeze the garbage, thereby reducing the volume of the garbage, improving the loading efficiency of the garbage truck, and helping to reduce the number of transportation times and costs. The controller is arranged outside the car body 2, and the controller is electrically connected to the electric push rod 12. The controller adopts an existing electric push rod dedicated controller, and the controller can control the electric push rod 12 to be pushed out or retracted. A guide block 14 is provided on one side of the compression plate 13. When the garbage is compressed, the electric push rod 12 retracts until the side wall of the guide block 14 contacts the inner wall of the car body 2. At this time, the electric push rod 12 is enclosed between the guide block 14 and the compression plate 13 to prevent the garbage from contaminating the electric push rod 12.

[0038] Example 3

[0039] On the basis of Example 1 or 2, as Figure 2 As shown, a second drain hole is provided on the bottom wall of the carriage 2, and the upper end of the sewage collecting box 5 is connected with the interior of the carriage 2 through the second drain hole. A second filter plate 15 is provided in the second drain hole.

[0040] The working principle and beneficial effects of the above technical solution are as follows: when the compression component compresses the garbage, it can squeeze out the sewage in the garbage, and the squeezed sewage can flow into the sewage collection box 5 through the second filter plate 15, making the sewage collection more thorough.

[0041] Example 4

[0042] On the basis of any one of Examples 1-3, Figure 3 、 Figure 4As shown, a first rotating shaft 16 is provided above the first filter plate 7, and the front and rear ends of the first rotating shaft 16 are rotatably connected to the front and rear side walls of the carriage 2 respectively. A plurality of fixed plates 17 are provided on the first rotating shaft 16, and the plurality of fixed plates 17 are distributed in a circular array about the central axis of the first rotating shaft 16. A sliding hole is provided at one end of the fixed plate 17 away from the first rotating shaft 16, and a cleaning scraper 18 is slidingly provided in the sliding hole. A connecting spring 19 is provided on the cleaning scraper 18 close to one end of the first rotating shaft 16, and one end of the connecting spring 19 is connected to the cleaning scraper 18, and the other end of the connecting spring 19 is connected to the inner wall of the sliding hole. The cleaning scraper 18 extends to the outside of the sliding hole away from one end of the first rotating shaft 16 and is provided with cleaning bristles 21.

[0043] The working principle and beneficial effects of the above technical solution are as follows: traditional filter plates need to be driven by an electric mechanism when cleaning, which causes a waste of electric energy. In this solution, when garbage flows to the first filter plate 7, the garbage can push one of the cleaning scrapers 18 to move, and the cleaning bristles 21 on the lower surface of the cleaning scraper 18 slide along the upper surface of the first filter plate 7, thereby automatically cleaning the upper surface of the first filter plate 7, improving the degree of automation of the device. The cleaning scraper 18 drives the first rotating shaft 16 to rotate through the fixed plate 17, so that the cleaning bristles 21 of the next cleaning scraper 18 gradually contact the upper surface of the first filter plate 7, and the sliding of the garbage drives the rotation of the cleaning scraper 18, so that the cleaning bristles 21 continuously contact the upper surface of the first filter plate 7, thereby realizing automatic cleaning of the first filter plate 7. No electric mechanism is required during the cleaning process, achieving energy-saving effect, and the cleaning scraper 18 can slow down the sliding speed of the garbage, and the garbage stays on the upper surface of the first filter plate 7 longer, so that more sewage is separated from the garbage, and the sewage is collected more thoroughly.

[0044] Example 5

[0045] On the basis of Example 4, Figure 3 、 Figure 4 As shown, one end of the first rotating shaft 16 extends to the outside of the carriage 2 and is provided with a first pulley 22, and a second rotating shaft 23 is provided in the connecting pipe 9, and the second rotating shaft 23 is parallel to the first rotating shaft 16. The front and rear ends of the second rotating shaft 23 are respectively rotatably connected to the front and rear side walls of the connecting pipe 9, and a plurality of blades 24 are provided on the outer wall of the second rotating shaft 23. The plurality of blades 24 are distributed in a circular array about the central axis of the second rotating shaft 23, and one end of the second rotating shaft 23 extends to the outside of the connecting pipe 9 and is provided with a second pulley 25. The first pulley 22 and the second pulley 25 are connected by a transmission belt 26.

[0046] The working principle and beneficial effects of the above technical solution are as follows: after passing through the first filter plate 7, the sewage flows into the sewage tank 8, and the collected sewage flows to the sewage collection tank 5 through the connecting pipe 9. When the sewage flows in the connecting pipe 9, the sewage can drive the blade 24 to move, and the blade 24 drives the second rotating shaft 23 to rotate in the connecting pipe 9. The rotation of the second rotating shaft 23 drives the second pulley 25 to rotate, and the second pulley 25 drives the first pulley 22 to rotate through the transmission belt 26. The first pulley 22 drives the first rotating shaft 16 to rotate. The rotation of the first rotating shaft 16 drives the cleaning scraper 18 to rotate through the fixed plate 17, thereby providing power for the rotation of the cleaning scraper 18, ensuring that the cleaning bristles 21 continuously clean the upper surface of the first filter plate 7, improving the cleanliness of the upper surface of the first filter plate 7, avoiding clogging of the first filter plate 7, and realizing automatic cleaning of the first filter plate 7. The cleaning process does not require manual participation, saving costs.

[0047] Example 6

[0048] On the basis of Example 5, Figure 1 As shown, a protective shell 20 is provided on the outer wall of the carriage 2 , and a first pulley 22 , a transmission belt 26 and a second pulley 25 are all provided in the protective shell 20 .

[0049] The working principle and beneficial effects of the above technical solution are as follows: the protective shell 20 can cover the first pulley 22, the transmission belt 26 and the second pulley 25 inside the protective shell 20, thereby protecting the first pulley 22, the second pulley 25 and the transmission belt 26, thereby increasing the service life of the transmission belt 26, and at the same time avoiding direct contact with the transmission belt 26 to cause damage, thereby improving safety.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0051] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0052] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. A compression garbage truck with an automatic sewage discharge device, characterized in that: include: A garbage truck body (1) includes a carriage (2), a delivery box (3) is provided on one side of the carriage (2), the carriage (2) is connected to the delivery box (3) through a delivery port (4), a compression assembly is provided in the carriage (2), the compression assembly is located at one end of the carriage (2) away from the delivery port (4), a sewage collection tank (5) is provided at the bottom of the carriage (2), a first inclined guide plate (6) is provided between the delivery port (4) and the compression assembly, the bottom wall of the first inclined guide plate (6) is fixedly connected to the inner wall of the bottom of the carriage (2), a first sewage discharge hole is provided in the first inclined guide plate (6), a first filter plate (7) is obliquely provided in the first sewage discharge hole, the upper surface of the first filter plate (7) and the upper surface of the first inclined guide plate (6) are in the same plane, the lower end of the first sewage discharge hole is connected to a sewage discharge box (8), and the lower end of the sewage discharge box (8) is connected to the interior of the sewage collection tank (5) through a connecting pipe (9).

2. A compression garbage truck with an automatic sewage discharge device according to claim 1, characterized in that: The connecting pipe (9) is arranged at an angle, and the height of one end of the connecting pipe (9) close to the sewage tank (8) is higher than the height of one end of the connecting pipe (9) close to the sewage collection tank (5).

3. The compression type garbage truck with automatic sewage discharge device according to claim 1, characterized in that: A sewage discharge pipe (10) is provided on the side wall of the sewage collection box (5), and one end of the sewage discharge pipe (10) is communicated with the interior of the sewage collection box (5).

4. The compression type garbage truck with automatic sewage discharge device according to claim 1, characterized in that: A second inclined guide plate (11) is provided in the sewage collection box (5), and the bottom wall of the second inclined guide plate (11) is connected to the bottom inner wall of the sewage collection box (5).

5. The compression type garbage truck with automatic sewage discharge device according to claim 4, characterized in that: The longitudinal sections of the first inclined guide plate (6) and the second inclined guide plate (11) are in the shape of a right triangle.

6. The compression type garbage truck with automatic sewage discharge device according to claim 1, characterized in that: The compression assembly comprises an electric push rod (12), which is arranged on the inner wall of the carriage (2); a compression plate (13) is arranged at the output end of the electric push rod (12); the bottom wall of the compression plate (13) is slidably connected to the inner wall of the bottom of the carriage (2); a guide block (14) is arranged at one end of the compression plate (13) close to the delivery port (4); the cross section of the guide block (14) is in the shape of a right-angled triangle; one right-angled surface of the guide block (14) is connected to the compression plate (13), and the other right-angled surface of the guide block (14) contacts the inner wall of the carriage (2).

7. The compression type garbage truck with automatic sewage discharge device according to claim 1, characterized in that: A second drainage hole is provided on the bottom wall of the carriage (2), and the upper end of the sewage collection box (5) is connected to the interior of the carriage (2) through the second drainage hole. A second filter plate (15) is provided in the second drainage hole.

8. The compression type garbage truck with automatic sewage discharge device according to claim 1, characterized in that: A first rotating shaft (16) is arranged above the first filter plate (7), and the front and rear ends of the first rotating shaft (16) are rotatably connected to the front and rear side walls of the carriage (2) respectively. A plurality of fixed plates (17) are arranged on the first rotating shaft (16), and the plurality of fixed plates (17) are distributed in a ring array about the central axis of the first rotating shaft (16). A sliding hole is arranged at one end of the fixed plate (17) away from the first rotating shaft (16), and a cleaning scraper (18) is slidingly arranged in the sliding hole. A connecting spring (19) is arranged at one end of the cleaning scraper (18) close to the first rotating shaft (16), one end of the connecting spring (19) is connected to the cleaning scraper (18), and the other end of the connecting spring (19) is connected to the inner wall of the sliding hole. The cleaning scraper (18) extends to the outside of the sliding hole away from the end of the first rotating shaft (16) and is provided with a cleaning brush (21).

9. The compression type garbage truck with automatic sewage discharge device according to claim 8, characterized in that: One end of the first rotating shaft (16) extends to the outside of the carriage (2) and is provided with a first pulley (22). A second rotating shaft (23) is provided in the connecting pipe (9). The second rotating shaft (23) is parallel to the first rotating shaft (16). The front and rear ends of the second rotating shaft (23) are respectively rotatably connected to the front and rear side walls of the connecting pipe (9). A plurality of blades (24) are provided on the outer wall of the second rotating shaft (23). The plurality of blades (24) are distributed in an annular array about the central axis of the second rotating shaft (23). One end of the second rotating shaft (23) extends to the outside of the connecting pipe (9) and is provided with a second pulley (25). The first pulley (22) and the second pulley (25) are connected by a transmission belt (26).

10. The compression garbage truck with automatic sewage discharge device according to claim 9, characterized in that: A protective shell (20) is arranged on the outer wall of the carriage (2), and a first pulley (22), a transmission belt (26) and a second pulley (25) are all arranged in the protective shell (20).

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