Back-loading compression type garbage truck

Abstract

The invention provides a back-loading compression type garbage truck. The back-loading compression type garbage truck comprises a truck body, a garbage compartment is arranged on the truck body, a pressing device is arranged at the front end of the garbage compartment, a feeding device is arranged at the tail end of the garbage compartment, a compression chamber is arranged in the garbage compartment, and a water storage device is arranged at the bottom end of the compression chamber; the water storage device comprises a bearing plate, a first water collecting cavity is formed in the bearing plate, a plurality of first water inlet holes communicating with the first water collecting cavity are evenly distributed in the top end of the bearing plate, and a sewage bag is arranged at the bottom end of the bearing plate; the water pumping mechanism comprises a cylinder body, the first end of the cylinder body is connected with the first water collecting cavity and the sewage bag through a first water inlet pipe and a first water conveying pipe, a first check valve is arranged on the first water inlet pipe, a first check valve is arranged on the first water conveying pipe, a piston head is connected into the cylinder body in a sealed and sliding mode, and the piston head is connected with a power structure. The storage capacity can be adjusted according to the sewage amount, and the sewage can be effectively prevented from surging in the vehicle running process.

Description

Technical Field

[0001] The invention relates to the technical field of garbage trucks, in particular to a rear-mounted compression type garbage truck. Background Art

[0002] As people's living standards and quality continue to improve, the amount of urban domestic waste is growing rapidly, and its impact on the environment is becoming increasingly significant. In this context, issues such as timely collection and closed transportation of garbage have become particularly important. As an important tool in urban sanitation work, compression garbage trucks effectively reduce the volume of garbage and improve transportation efficiency by compressing and filling the garbage into the garbage compartment, thereby ensuring the smooth progress of garbage collection and transportation.

[0003] In actual operation, when there is stagnant water in the garbage bin or the garbage has a high water content, sewage will accumulate in the garbage compartment. For this reason, most existing garbage trucks install sewage tanks on the garbage compartment to store this sewage. However, the storage capacity of this type of sewage tank is rated and cannot be adjusted according to the amount of sewage. In this way, when the amount of sewage is large, the sewage tank cannot fully accommodate it, resulting in excess sewage leakage, which in turn causes secondary pollution to the environment; and when the amount of sewage is small, it will not only waste the storage space of the sewage tank, but also reduce the overall space utilization of the garbage compartment. In addition, the unsatisfied sewage is prone to surge during the vehicle's driving process, which has an adverse effect on the vehicle's driving stability. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a rear-mounted compression garbage truck, which can not only adjust the storage capacity according to the amount of sewage, but also effectively prevent the sewage from surging during the driving of the vehicle.

[0005] The present invention adopts the following technical solutions.

[0006] A rear-loading compression garbage truck comprises a vehicle body, a garbage compartment is arranged on the vehicle body, a material pressing device is arranged at the front end of the garbage compartment, a material loading device is arranged at the rear end of the garbage compartment, a compression chamber is arranged in the garbage compartment, and a water storage device is arranged at the bottom end of the compression chamber;

[0007] The water storage device comprises a support plate which is horizontally arranged and slidably connected to the garbage compartment in a vertical direction, a first water collecting cavity is arranged in the support plate, a plurality of first water inlet holes which are connected to the first water collecting cavity are evenly distributed on the top of the support plate, and a sewage bag is arranged on the bottom of the support plate;

[0008] It also includes a water pumping mechanism, which includes a cylinder body, a first end of the cylinder body is connected to a first water collecting chamber and a sewage bag through a first water inlet pipe and a first water delivery pipe respectively, a first check valve is provided on the first water inlet pipe, and a first check valve is provided on the first water delivery pipe. A piston head is sealingly and slidingly connected in the cylinder body, and the piston head is connected to a power structure, and the power structure can drive the piston head to move reciprocatingly along the cylinder body.

[0009] Further, the material pressing device comprises a material pressing plate slidably connected to the garbage compartment in a horizontal direction, and a first hydraulic rod drivingly connected to the material pressing plate;

[0010] The pressing plate comprises a fixed plate body and a movable plate body slidably connected with the fixed plate body along a vertical direction.

[0011] Furthermore, a vertically extending guide rod is provided on the fixed plate body, a guide seat slidably connected to the guide rod is provided on the movable plate body, and a spring is provided between the fixed plate body and the movable plate body.

[0012] Furthermore, the power structure includes a guide rail provided on the cylinder of the first hydraulic rod and extending along the length direction of the first hydraulic rod, a slider is slidably connected to the guide rail, a transmission rod is hinged on the slider, and the transmission rod is integrally connected to the piston head.

[0013] Further, the feeding device includes a garbage bin hinged to the garbage bin, and a first power member connecting the garbage bin and the garbage bin, wherein the first power member is used to drive the garbage bin to rotate so as to open or close the rear end of the garbage bin;

[0014] A lifting mechanism is provided at the tail end of the garbage bin, a feeding channel for communicating with the compression chamber is provided in the garbage bin, and a pushing mechanism is provided at one end of the feeding channel facing away from the garbage compartment.

[0015] Furthermore, the lifting mechanism comprises a first swing arm, a second swing arm and a barrel plate, wherein the first ends of the first swing arm and the second swing arm are both hinged to the garbage bin, and the second ends of the first swing arm and the second swing arm are both hinged to the barrel plate;

[0016] A second power member is connected between the first swing arm and the garbage bin;

[0017] The second swing arm includes a supporting section and a telescopic section slidably connected to the supporting section along the length direction of the supporting section, and a third power member is connected between the supporting section and the telescopic section.

[0018] Furthermore, the top of the garbage bin is open and has a hinged cover, and a linkage rod is connected between the cover and the support section.

[0019] Furthermore, the pushing mechanism includes a pushing plate slidably connected to the garbage bin, and a second hydraulic rod drivingly connected to the pushing plate, and a feeding hole aligned with the pushing plate is opened on the garbage bin.

[0020] Furthermore, a partition is provided at the bottom end of the feed channel, a second water collecting chamber is provided between the lower part of the partition and the garbage bin, a plurality of second water inlet holes connected to the second water collecting chamber are evenly distributed on the top of the partition, and a plurality of third water inlet holes connected to the second water collecting chamber are evenly distributed on the front end of the garbage bin;

[0021] The second end of the cylinder body is connected to the second water collecting chamber and the sewage bag through a second water inlet pipe and a second water delivery pipe respectively, the second water inlet pipe is provided with a second check valve, and the second water delivery pipe is provided with a second check valve.

[0022] Furthermore, a vertically extending bottom shell is sleeved on the outer side of the sewage bag, the bottom end of the bottom shell is integrally connected to the garbage compartment, a telescopic shell is slidably sleeved inside the bottom shell, and the top end of the telescopic shell is integrally connected to the supporting plate.

[0023] The beneficial effects of the present invention are:

[0024] In actual operation of the present invention, the sewage in the compression chamber will naturally flow into the first water collecting chamber under the action of gravity. The power structure drives the piston head to move back and forth in the cylinder body, thereby pumping the sewage in the first water collecting chamber into the sewage bag. The volume of the sewage bag will increase with the increase of the amount of sewage pumped in, thereby realizing the adjustment of the storage capacity according to the amount of sewage.

[0025] As the volume of the sewage bag gradually increases, the support plate will move upward accordingly, thereby compressing the garbage in the compression chamber in the vertical direction and improving the compression effect.

[0026] In addition, the sewage in the sewage bag will be subjected to a certain downward pressure under the combined action of the support plate and the garbage in the compression chamber. This downward pressure stabilizes the sewage and effectively prevents the sewage from surging during the driving of the vehicle. Conversely, during the driving of the vehicle, if the sewage in the sewage bag tends to surge, this tendency will cause a certain upward pressure on the support plate. This upward pressure helps to enhance the compression effect of the support plate on the garbage in the compression chamber in the vertical direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0028] Figure 1This is one of the overall structural diagrams of the first embodiment;

[0029] Figure 2 for Figure 1 A magnified view of part E;

[0030] Figure 3 It is one of the partial structural schematic diagrams of the first embodiment;

[0031] Figure 4 This is the second partial structural diagram of the first embodiment;

[0032] Figure 5 This is the second schematic diagram of the overall structure of the first embodiment;

[0033] Figure 6 The third schematic diagram of the overall structure of the first embodiment;

[0034] Figure 7 It is a schematic diagram of the overall structure of the second embodiment.

[0035] Description of reference numerals:

[0036] Body 1,

[0037] Garbage compartment 2, compression chamber 2a,

[0038] Pressing device 3,

[0039] The pressing plate 31, the fixed plate body 311, the movable plate body 312, the spring 313, the guide rod 3111, the guide seat 3121,

[0040] The first hydraulic rod 32,

[0041] Feeding device 4,

[0042] Garbage bin 41, feed channel 41a, feed hole 41b, second water collecting chamber 41c, third water inlet hole 41d,

[0043] The first power member 42,

[0044] Lifting mechanism 43, first swing arm 431, second swing arm 432, barrel plate 433, second power member 434, support section 4321, telescopic section 4322, third power member 4323,

[0045] Pushing mechanism 44, pushing plate 441, second hydraulic rod 442,

[0046] Cover plate 45, linkage rod 46, partition plate 47,

[0047] Water storage device 5,

[0048] Support plate 51, first water collecting chamber 51a, first water inlet hole 51b,

[0049] Sewage bladder 52,

[0050] The water pump mechanism 53, the cylinder body 531, the first water inlet pipe 532, the first check valve 5321, the first water supply pipe 533, the first check valve 5331, the piston head 534, the power structure 535, the guide rail 5351, the slider 5352, the transmission rod 5353, the second water inlet pipe 536, the second check valve 5361, the second water supply pipe 537, the second check valve 5371,

[0051] Bottom shell 61, telescopic shell 62. DETAILED DESCRIPTION

[0052] The drawings are only used for illustrative purposes and should not be construed as limitations of this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product.

[0053] For those skilled in the art, it is understandable that some well-known structures and their descriptions may be omitted in the drawings. The technical solution of the present invention is further described below in conjunction with the drawings and embodiments.

[0054] As shown in the accompanying drawings, a rear-loading compression garbage truck comprises a body 1, a garbage compartment 2 is provided on the body 1, a material pressing device 3 is provided at the front end of the garbage compartment 2, a material loading device 4 is provided at the rear end of the garbage compartment 2, a compression chamber 2a is provided in the garbage compartment 2, and a water storage device 5 is provided at the bottom end of the compression chamber 2a;

[0055] The water storage device 5 includes a support plate 51 which is horizontally arranged and slidably connected to the garbage compartment 2 in the vertical direction. A first water collecting chamber 51a is provided in the support plate 51. A plurality of first water inlet holes 51b which are connected to the first water collecting chamber 51a are evenly distributed at the top of the support plate 51. A sewage bag 52 is provided at the bottom of the support plate 51.

[0056] It also includes a water pumping mechanism 53, which includes a cylinder body 531. The first end of the cylinder body 531 is connected to the first water collecting chamber 51a and the sewage bag 52 through a first water inlet pipe 532 and a first water supply pipe 533 respectively. The first water inlet pipe 532 is provided with a first check valve 5321, and the first water supply pipe 533 is provided with a first check valve 5331. A piston head 534 is sealingly and slidably connected in the cylinder body 531, and the piston head 534 is connected to a power structure 535. The power structure 535 can drive the piston head 534 to move back and forth along the cylinder body 531.

[0057] The first check valve 5321 is used to prevent the sewage in the cylinder 531 from flowing into the first water collecting chamber 51a through the first water inlet pipe 532, and the first check valve 5331 is used to prevent the sewage in the sewage bag 52 from flowing into the cylinder 531 through the first water delivery pipe 533. In this embodiment, the sewage bag 52 is made of rubber.

[0058] In actual operation, the sewage in the compression chamber 2a will naturally flow into the first water collecting chamber 51a under the action of gravity. When the power structure 535 drives the piston head 534 to move in a direction away from the first end of the cylinder body 531, the sewage in the first water collecting chamber 51a is sucked into the cylinder body 531. Then, when the power structure 535 drives the piston head 534 to move in a direction close to the first end of the cylinder body 531, the sewage in the cylinder body 531 is injected into the sewage bag 52. As the power structure 535 drives the piston head 534 to move back and forth in the cylinder body 531, the sewage in the first water collecting chamber 51a is continuously pumped into the sewage bag 52.

[0059] The sewage bladder 52 will expand as the amount of sewage inside it increases, thereby adjusting the storage capacity according to the amount of sewage. When the amount of sewage is large, the volume of the sewage bladder 52 is also large, so that the sewage can be fully accommodated; when the amount of sewage is small, the volume of the sewage bladder 52 is also small, so that more space is left in the garbage bin 2 for storing garbage. This helps to ensure that the interior of the garbage bin 2 is filled with garbage and sewage, which is conducive to improving the overall space utilization of the garbage bin 2.

[0060] As the volume of the sewage bag 52 gradually increases, the supporting plate 51 will move upward accordingly, thereby compressing the garbage in the compression chamber 2a in the vertical direction and improving the compression effect.

[0061] When it is necessary to unload the garbage, the sanitation worker can first open the drain valve connected to the sewage bag 52 to drain the sewage in the sewage bag 52, thereby reducing the volume of the sewage bag 52, and the supporting plate 51 also moves downward, thereby making the originally compacted garbage in the compression chamber 2a loose, reducing the friction between the garbage and the inner wall of the compression chamber 2a, which is conducive to emptying the garbage from the compression chamber 2a.

[0062] In addition, the sewage in the sewage bladder 52 will be subjected to a certain downward pressure under the combined action of the supporting plate 51 and the garbage in the compression chamber 2a. This downward pressure can limit the fluctuation of the sewage, stabilize the sewage, and effectively prevent the sewage from surging during the driving of the vehicle. Conversely, during the driving of the vehicle, especially when the vehicle accelerates, brakes, and turns, the sewage in the sewage bladder 52 will tend to surge. This surging tendency will cause the supporting plate 51 to be subjected to a certain upward pressure, which is then converted into a compression force on the garbage in the compression chamber 2a, thereby enhancing the compression effect of the supporting plate 51 on the garbage in the compression chamber 2a in the vertical direction.

[0063] Preferably, the material pressing device 3 comprises a material pressing plate 31 slidably connected to the garbage compartment 2 in a horizontal direction, and a first hydraulic rod 32 drivingly connected to the material pressing plate 31;

[0064] The pressing plate 31 includes a fixed plate body 311 and a movable plate body 312 slidably connected to the fixed plate body 311 in a vertical direction. When the supporting plate 51 moves upward, the movable plate body 312 will also move upward accordingly. The driving end of the first hydraulic rod 32 is hinged to the fixed plate body 311.

[0065] In actual operation, the first hydraulic rod 32 will drive the pressing plate 31 to move back and forth multiple times in the horizontal direction, so that the garbage in the compression chamber 2a is fully compressed, ensuring that the garbage is compacted evenly, thereby improving space utilization and enhancing the stability of garbage stacking.

[0066] Preferably, a vertically extending guide rod 3111 is provided on the fixed plate body 311, a guide seat 3121 slidably connected to the guide rod 3111 is provided on the movable plate body 312, and a spring 313 is provided between the fixed plate body 311 and the movable plate body 312. The spring 313 keeps the movable plate body 312 in a downward movement trend, ensuring that the movable plate body 312 is always in close contact with the supporting plate 51.

[0067] As attached Figure 1 , 3 As shown in Figures 6, in the first embodiment, the power structure 535 includes a guide rail 5351 which is arranged on the cylinder of the first hydraulic rod 32 and extends along the length direction of the first hydraulic rod 32. A slider 5352 is slidably connected to the guide rail 5351, and a transmission rod 5353 is hinged on the slider 5352. The transmission rod 5353 is integrally connected to the piston head 534.

[0068] When the first hydraulic rod 32 pushes the pressing plate 31 to move toward the front end of the garbage compartment 2, the cylinder of the first hydraulic rod 32 will swing downward, driving the piston head 534 away from the first end of the cylinder 531, thereby sucking the sewage in the first water collecting chamber 51a into the cylinder 531. Conversely, when the first hydraulic rod 32 pushes the pressing plate 31 to move toward the rear end of the garbage compartment 2, the cylinder of the first hydraulic rod 32 will swing upward, driving the piston head 534 close to the first end of the cylinder 531, thereby injecting the sewage in the cylinder 531 into the sewage bag 52. As the sewage is continuously injected, the sewage bag 52 gradually expands, and the supporting plate 51 moves upward accordingly, and cooperates with the pressing plate 31 to compress the garbage, thereby improving the compression effect.

[0069] As attached Figure 7 As shown, in the second embodiment, the power structure 535 may also be a hydraulic cylinder or an electric push rod.

[0070] Preferably, the loading device 4 includes a garbage bin 41 hinged to the garbage bin 2, and a first power member 42 connecting the garbage bin 2 and the garbage bin 41, and the first power member 42 is used to drive the garbage bin 41 to rotate to open or close the rear end of the garbage bin 2;

[0071] A lifting mechanism 43 is provided at the rear end of the garbage bin 41 , a feeding channel 41 a for communicating with the compression chamber 2 a is provided in the garbage bin 41 , and a pushing mechanism 44 is provided at one end of the feeding channel 41 a facing away from the garbage compartment 2 .

[0072] Preferably, the lifting mechanism 43 includes a first swing arm 431, a second swing arm 432 and a barrel plate 433, the first ends of the first swing arm 431 and the second swing arm 432 are hinged to the garbage bin 41, and the second ends of the first swing arm 431 and the second swing arm 432 are hinged to the barrel plate 433;

[0073] A second power member 434 is connected between the first swing arm 431 and the garbage bin 41;

[0074] The second swing arm 432 includes a supporting section 4321 and a telescopic section 4322 slidably connected to the supporting section 4321 along the length direction of the supporting section 4321 , and a third power member 4323 is connected between the supporting section 4321 and the telescopic section 4322 .

[0075] In this embodiment, the first power member 42 , the second power member 434 and the third power member 4323 are all hydraulic cylinders.

[0076] The detailed structure of the barrel plate 433 is well known to those skilled in the art, so no further description is given in this specification.

[0077] Preferably, the top of the garbage bin 41 is open and has a cover plate 45 hinged thereon, and a linkage rod 46 is connected between the cover plate 45 and the support section 4321 .

[0078] It is understood that during the process of loading and transporting garbage, the first power member 42 remains in a shortened state, so that the garbage bin 41 is closely attached to and closes the rear end of the garbage compartment 2. When the garbage needs to be unloaded, the first power member 42 changes from a shortened state to an extended state, thereby pushing the garbage bin 41 to flip upward and opening the rear end of the garbage compartment 2.

[0079] In the initial state, the second power member 434 is in a shortened state, the barrel plate 433 is at the lowest point and in a vertical state, the third power member 4323 is in an extended state, and the cover plate 45 is in a closed state. When the garbage in the trash can needs to be put into the trash bin 41, the sanitation worker first clamps the trash can on the barrel plate 433. Then, the second power member 434 begins to extend, driving the first swing arm 431 and the second swing arm 432 to swing upward, lifting the vertical barrel plate 433 and the trash can carried thereon to the highest point. In this process, the second swing arm 432 also drives the cover plate 45 to flip upward through the linkage rod 46, so that the cover plate 45 changes from a closed state to an open state. Immediately afterwards, the third power member 4323 begins to shorten, driving the barrel plate 433 and the trash can carried thereon to flip, so that the garbage in the trash can slides into the trash bin 41 under the action of gravity.

[0080] Preferably, the pushing mechanism 44 includes a pushing plate 441 slidably connected to the garbage bin 41, and a second hydraulic rod 442 drivingly connected to the pushing plate 441, and a feed hole 41b aligned with the pushing plate 441 is provided on the garbage bin 41. In the process of putting the garbage in the garbage bin into the garbage bin 41, the second hydraulic rod 442 remains in a shortened state and the feed hole 41b is opened. When the garbage successfully falls into the feed channel 41a, the second hydraulic rod 442 changes from a shortened state to an extended state, thereby pushing the garbage in the feed channel 41a into the compression bin through the feed hole 41b. In the process of the pressing plate 31 moving toward the rear end of the garbage bin 2 to compress the garbage, the second hydraulic rod 442 remains in an extended state and the feed hole 41b is closed, thereby ensuring that the garbage in the compression bin will not reversely enter the feed channel 41a.

[0081] Preferably, a partition 47 is provided at the bottom end of the feed channel 41a, a second water collecting chamber 41c is provided between the lower part of the partition 47 and the garbage bin 41, a plurality of second water inlet holes connected to the second water collecting chamber 41c are evenly distributed at the top of the partition 47, and a plurality of third water inlet holes 41d connected to the second water collecting chamber 41c are evenly distributed at the front end of the garbage bin 41;

[0082] The second end of the cylinder body 531 is connected to the second water collecting chamber 41c and the sewage bag 52 through a second water inlet pipe 536 and a second water supply pipe 537 respectively. The second water inlet pipe 536 is provided with a second check valve 5361, and the second water supply pipe 537 is provided with a second check valve 5371.

[0083] The second check valve 5361 is used to prevent the sewage in the cylinder 531 from flowing into the second water collecting chamber 41c through the second water inlet pipe 536, and the second check valve 5371 is used to prevent the sewage in the sewage bag 52 from flowing into the cylinder 531 through the second water supply pipe.

[0084] It can be understood that, when the garbage passes through the feed channel 41a, part of the sewage accumulated in the garbage will flow into the second water inlet chamber through the second water inlet hole.

[0085] When the first hydraulic rod 32 pushes the material pressing plate 31 to move toward the rear end of the garbage compartment 2, the cylinder of the first hydraulic rod 32 will swing upward, driving the piston head 534 away from the second end of the cylinder body 531, thereby sucking the sewage in the second water collecting chamber 41c into the cylinder body 531. In this process, sewage will seep out of the garbage under the squeezing of the material pressing plate 31, and part of the seeped sewage will flow into the second water collecting chamber 41c through the third water inlet hole 41d.

[0086] When the first hydraulic rod 32 pushes the pressing plate 31 to move toward the front end of the garbage compartment 2 , the cylinder of the first hydraulic rod 32 will swing downward, driving the piston head 534 to approach the second end of the cylinder body 531 , thereby injecting the sewage in the cylinder body 531 into the sewage bag 52 .

[0087] It should be noted that the present embodiment also has a pumping mode. When there is no sewage in the first water collecting chamber 51a and / or the second water collecting chamber 41c, the present embodiment enters the pumping mode, and the power structure 535 at this time will continue to drive the piston head 534 to reciprocate in the cylinder body 531. The reciprocating movement of the piston head 534 will inject outside air into the sewage bag 52 to aerate the sewage in the sewage bag 52. In addition, the garbage in the support plate 51 and the compression chamber 2a will exert downward pressure on the sewage bag 52, causing the pressure in the sewage bag 52 to increase, thereby causing more air to dissolve in the sewage, thereby increasing the oxygen content in the sewage. The aeration effect and the increase in oxygen content will accelerate the growth and metabolism of aerobic microorganisms in the sewage, improve the self-purification ability of the sewage, improve the physical properties of the sewage, and prevent anaerobic fermentation of the sewage, which is beneficial to the subsequent treatment of the sewage.

[0088] It should be noted that, in view of the high compressibility of air, the air injected into the sewage bladder 52 has a relatively small effect on the volume of the sewage bladder 52 .

[0089] Preferably, in order to prevent the sewage bag 52 from being burst by sewage, a vertically extending bottom shell 61 is provided on the outer side of the sewage bag 52, the bottom end of the bottom shell 61 is integrally connected to the garbage compartment 2, a telescopic shell 62 is slidably sleeved inside the bottom shell 61, and the top of the telescopic shell 62 is integrally connected to the supporting plate 51.

[0090] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A rear-loading compression garbage truck, comprising a vehicle body, wherein a garbage compartment is provided on the vehicle body, characterized in that: The front end of the garbage compartment is provided with a material pressing device, the rear end of the garbage compartment is provided with a material loading device, a compression chamber is provided in the garbage compartment, and the bottom end of the compression chamber is provided with a water storage device; The water storage device comprises a support plate which is horizontally arranged and slidably connected to the garbage compartment in a vertical direction, a first water collecting cavity is arranged in the support plate, a plurality of first water inlet holes which are connected to the first water collecting cavity are evenly distributed on the top of the support plate, and a sewage bag is arranged on the bottom of the support plate; It also includes a water pumping mechanism, which includes a cylinder body, a first end of the cylinder body is connected to a first water collecting chamber and a sewage bag through a first water inlet pipe and a first water delivery pipe respectively, a first check valve is provided on the first water inlet pipe, and a first check valve is provided on the first water delivery pipe. A piston head is sealingly and slidingly connected in the cylinder body, and the piston head is connected to a power structure, and the power structure can drive the piston head to move reciprocatingly along the cylinder body.

2. A rear-loading compression garbage truck according to claim 1, characterized in that: The material pressing device comprises a material pressing plate slidably connected to the garbage compartment in a horizontal direction, and a first hydraulic rod drivingly connected to the material pressing plate; The pressing plate comprises a fixed plate body and a movable plate body slidably connected with the fixed plate body along a vertical direction.

3. A rear-loading compression garbage truck according to claim 2, characterized in that: The fixed plate body is provided with a vertically extending guide rod, the movable plate body is provided with a guide seat slidably connected with the guide rod, and a spring is provided between the fixed plate body and the movable plate body.

4. A rear-loading compression garbage truck according to claim 2, characterized in that: The power structure includes a guide rail arranged on the cylinder of the first hydraulic rod and extending along the length direction of the first hydraulic rod, a slider is slidably connected to the guide rail, a transmission rod is hinged on the slider, and the transmission rod is integrally connected to the piston head.

5. The rear-loading compression garbage truck according to claim 1, characterized in that: The loading device includes a garbage bin hinged to the garbage bin, and a first power member connecting the garbage bin and the garbage bin, wherein the first power member is used to drive the garbage bin to rotate so as to open or close the rear end of the garbage bin; A lifting mechanism is provided at the tail end of the garbage bin, a feeding channel for communicating with the compression chamber is provided in the garbage bin, and a pushing mechanism is provided at one end of the feeding channel facing away from the garbage compartment.

6. A rear-loading compression garbage truck according to claim 5, characterized in that: The lifting mechanism comprises a first swing arm, a second swing arm and a barrel plate, wherein the first ends of the first swing arm and the second swing arm are both hinged to the garbage bin, and the second ends of the first swing arm and the second swing arm are both hinged to the barrel plate; A second power member is connected between the first swing arm and the garbage bin; The second swing arm includes a supporting section and a telescopic section slidably connected to the supporting section along the length direction of the supporting section, and a third power member is connected between the supporting section and the telescopic section.

7. A rear-loading compression garbage truck according to claim 6, characterized in that: The top of the garbage bin is open and hinged with a cover plate, and a linkage rod is connected between the cover plate and the support section.

8. The rear-loading compression garbage truck according to claim 5, characterized in that: The pushing mechanism comprises a pushing plate slidably connected to the garbage bin, and a second hydraulic rod drivingly connected to the pushing plate. A feeding hole aligned with the pushing plate is provided on the garbage bin.

9. The rear-loading compression garbage truck according to claim 5, characterized in that: A partition is provided at the bottom end of the feed channel, a second water collecting chamber is provided between the lower part of the partition and the garbage bin, a plurality of second water inlet holes connected to the second water collecting chamber are evenly distributed on the top of the partition, and a plurality of third water inlet holes connected to the second water collecting chamber are evenly distributed on the front end of the garbage bin; The second end of the cylinder body is connected to the second water collecting chamber and the sewage bag through a second water inlet pipe and a second water delivery pipe respectively, the second water inlet pipe is provided with a second check valve, and the second water delivery pipe is provided with a second check valve.

10. The rear-loading compression garbage truck according to claim 1, characterized in that: The outer side of the sewage bag is sleeved with a vertically extending bottom shell, the bottom end of the bottom shell is integrally connected to the garbage compartment, a telescopic shell is slidably sleeved in the bottom shell, and the top end of the telescopic shell is integrally connected to the supporting plate.

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