Sanitation vehicle

Abstract

The invention provides a sanitation vehicle which can be used for collecting garbage in a garbage can and comprises a vehicle body, a garbage collecting mechanism and a first load sensing system. The vehicle body comprises a vehicle frame garbage can, and a throwing opening is formed in the upper portion of the garbage can for garbage pouring. The garbage collecting mechanism is located on one side of the garbage can and can clamp and move the garbage can so that garbage in the garbage can can be poured into the garbage can through the throwing opening. The first load sensitive system is arranged on the frame; the first load sensitive system is used for adjusting hydraulic oil entering the garbage collecting mechanism according to different loads, so that the driving force of the garbage collecting mechanism is adjusted, the garbage collecting mechanism can stably move and turn over the garbage can, and garbage in the garbage can can be poured into the garbage can through the throwing opening. The first load sensitive system adjusts the driving force of the garbage collecting mechanism in real time, so that the energy utilization rate of the sanitation vehicle can be increased, and the service life of the sanitation vehicle is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of environmental protection, and in particular to a sanitation vehicle. Background Art

[0002] With the rapid development of cities, various trash cans have gradually appeared on the roadside to facilitate pedestrians to discard garbage and protect the urban environment. However, the increasing number of trash cans has greatly affected the garbage collection efficiency of sanitation workers.

[0003] At present, many cities have begun to use sanitation vehicles to collect garbage in trash cans, reduce the workload of sanitation workers, improve garbage collection efficiency, and protect the urban environment. The sanitation vehicle may include a vehicle body and a garbage collection mechanism. A storage space is provided in the vehicle body to accommodate the garbage in the trash can. The garbage collection mechanism can clamp the trash can and drive the trash can to flip so that the garbage in the trash can is poured into the storage space.

[0004] However, the driving force of the garbage collection mechanism on the sanitation vehicle is fixed. When the garbage in the garbage bin is too heavy, the turning rate of the garbage collection mechanism is slow, which affects the garbage collection efficiency of the sanitation vehicle. When the garbage in the garbage bin is too light, the driving force of the turning bucket holding mechanism will be wasted, resulting in low efficiency of the turning bucket holding mechanism, heat and damage to the turning bucket holding mechanism, and shortening the service life of the sanitation vehicle. Summary of the invention

[0005] The purpose of the present application is to provide a sanitation vehicle capable of adjusting the driving force of a garbage collection mechanism in real time, so as to improve the energy utilization rate of the sanitation vehicle and extend the service life of the sanitation vehicle.

[0006] In order to solve the above technical problems, this application adopts the following technical solutions:

[0007] According to one aspect of the present application, the present application provides a sanitation vehicle, which can be used to collect garbage in a trash can, and comprises: a vehicle body, a garbage collection mechanism, a fuel tank and a first load-sensitive system; the vehicle body comprises a frame and a trash can arranged on the frame, and a drop-in port is provided on the upper part of the trash can for dumping garbage; the garbage collection mechanism is located on one side of the trash can; the garbage collection mechanism comprises a telescopic assembly, a flip assembly and a bucket holding assembly, the telescopic assembly is arranged on the frame, the telescopic end of the telescopic assembly is connected to the flip assembly so as to be able to drive the flip assembly to approach and move away from the trash can; the flip end of the flip assembly is connected to the bucket holding assembly; the bucket holding assembly is used to clamp the trash can; the flip assembly can drive the bucket holding assembly and the trash can to flip so that the garbage in the trash can Garbage can be poured into the garbage bin through the delivery port; the oil tank is arranged on the frame to accommodate hydraulic oil; the first load-sensitive system is arranged on the frame; the first load-sensitive system includes a telescopic load-sensitive pump, a tipping load-sensitive pump and a bucket load-sensitive pump arranged in parallel, the input end and the output end of the telescopic load-sensitive pump are respectively connected to the oil tank and the telescopic component, so as to adjust the hydraulic oil entering the telescopic component according to different loads; the input end and the output end of the tipping load-sensitive pump are respectively connected to the oil tank and the tipping component, so as to adjust the hydraulic oil entering the tipping component according to different loads; the input end and the output end of the bucket load-sensitive pump are respectively connected to the oil tank and the bucket component, so as to adjust the hydraulic oil entering the bucket component according to different loads.

[0008] In some embodiments, the trash bin includes a box body, a top cover and a tailgate, the upper part of the front end of the box body is provided with the delivery port, the rear end of the box body is provided with a discharge port, the top cover can be opened and closed to cover the delivery port, and the tailgate can be opened and closed to cover the discharge port; the sanitation vehicle also includes a garbage storage mechanism, the garbage storage mechanism includes a top cover opening and closing assembly for opening and closing the top cover, a tailgate opening and closing assembly for opening and closing the tailgate, and a box body lifting assembly for lifting the box body; the sanitation vehicle also includes a second load-sensing system, which is arranged on the vehicle frame; the second load-sensing system includes a top cover arranged in parallel A top cover load-sensitive pump, a tailgate load-sensitive pump and a lifting load-sensitive pump, the input end and the output end of the top cover load-sensitive pump are respectively connected to the oil tank and the top cover opening and closing assembly, so as to adjust the hydraulic oil entering the top cover opening and closing assembly according to different loads; the input end and the output end of the tailgate load-sensitive pump are respectively connected to the oil tank and the tailgate opening and closing assembly, so as to adjust the hydraulic oil entering the tailgate opening and closing assembly according to different loads; the input end and the output end of the lifting load-sensitive pump are respectively connected to the oil tank and the box lifting assembly, so as to adjust the hydraulic oil entering the box lifting assembly according to different loads.

[0009] In some embodiments, the sanitation vehicle also includes a dual load-sensitive system, which is arranged on the frame; the dual load-sensitive system includes a first load-sensitive pump and a second load-sensitive pump arranged in parallel, the input end and the output end of the first load-sensitive pump are respectively connected to the oil tank and the first load-sensitive system, so as to adjust the hydraulic oil entering the first load-sensitive system according to different loads; the input end and the output end of the second load-sensitive pump are respectively connected to the oil tank and the second load-sensitive system, so as to adjust the hydraulic oil entering the second load-sensitive system according to different loads.

[0010] In some embodiments, the sanitation vehicle also includes a heat dissipation recovery system, the input end of the heat dissipation recovery system is connected to the first load sensitive system so as to be able to recover the hydraulic oil in the first load sensitive system; the input end of the heat dissipation recovery system is connected to the second load sensitive system so as to be able to recover the hydraulic oil in the first load sensitive system.

[0011] In some embodiments, the box lifting assembly includes a box lifting hydraulic cylinder, a first lifting oil return pipeline and a second lifting oil return pipeline. The box lifting hydraulic cylinder is arranged on the frame for lifting the box; the first lifting oil return pipeline and the second lifting oil return pipeline are arranged in parallel, and the input end of the first lifting oil return pipeline and the input end of the second lifting oil return pipeline can be connected to the box lifting hydraulic cylinder respectively, and the output end of the first lifting oil return pipeline and the output end of the second lifting oil return pipeline are both connected to the oil tank so as to be able to adjust the lowering speed of the box.

[0012] In some embodiments, a compression hydraulic cylinder and a compression head are also provided in the box body, the cylinder body of the compression hydraulic cylinder is connected to the box body, and the telescopic end of the compression hydraulic cylinder is connected to the compression head, so that the compression hydraulic cylinder can push the compression head to compress the garbage in the box body.

[0013] In some embodiments, the second load-sensing system further comprises a compression load-sensing pump connected in parallel with the top cover load-sensing pump, wherein the input and output ends of the compression load-sensing pump are respectively connected to the oil tank and the compression hydraulic cylinder, so as to adjust the hydraulic oil entering the compression hydraulic cylinder according to different loads.

[0014] In some embodiments, the box body includes a compression bin located at the front end of the box body and a storage bin located at the rear end of the box body, and the upper part of the compression bin is provided with the delivery port; the top cover opening and closing assembly includes a top cover support, a bending part, a top cover cylinder support and a top cover opening and closing hydraulic cylinder; the top cover support is arranged on the side wall of the compression bin; the bending part is fixedly connected to the side of the top cover away from the garbage collection mechanism, and the bending part is hinged to the top cover support so that the bending part can rotate around the top cover support; the top cover cylinder support is arranged on the side wall of the compression bin, the top cover cylinder support is hinged to the cylinder body of the top cover opening and closing hydraulic cylinder, and the rotation axis of the top cover opening and closing hydraulic cylinder is arranged parallel to the rotation axis of the bending part; the telescopic end of the top cover opening and closing hydraulic cylinder is hinged to the bending part, so that the top cover opening and closing hydraulic cylinder can push the bending part and the top cover to rotate around the top cover support, thereby opening and closing the delivery port.

[0015] In some embodiments, the flipping assembly includes a flipping seat, a flipping main arm and a flipping hydraulic cylinder; the flipping seat extends up and down, and the lower part of the flipping seat is connected to the telescopic end of the telescopic assembly so that it can follow the telescopic end of the telescopic assembly to approach and move away from the trash can; one end of the flipping main arm is rotatably connected to the upper part of the flipping seat, and the other end of the flipping main arm is hinged to the bucket holding assembly; the flipping hydraulic cylinder is arranged on the upper part of the flipping seat, and the flipping hydraulic cylinder is connected to the flipping load-sensitive pump, and the flipping load-sensitive pump can provide hydraulic oil to the flipping hydraulic cylinder according to the weight of the trash can to drive the flipping main arm to flip.

[0016] In some embodiments, the bucket holding assembly includes a bucket holding seat and a bucket holding claw, the bucket holding seat is hinged to one end of the flip main arm away from the flip seat, and the bucket holding claw is rotatably connected to the bucket holding seat so that the bucket holding claw can clamp and limit the trash can; the flip assembly also includes a plurality of flip connecting rods, one end of the flip connecting rod is hinged to the flip seat and located on the upper side of the flip hydraulic cylinder; the other end of the flip connecting rod is hinged to the bucket holding seat and located on the side of the flip main arm away from the flip hydraulic cylinder.

[0017] It can be seen from the above technical solution that the present application has at least the following advantages and positive effects:

[0018] In the present application, when the sanitation worker cleans up the garbage, the sanitation vehicle is parked around the garbage can, and then the telescopic end of the telescopic assembly is controlled to extend toward the garbage can, so that the flip assembly and the barrel holding assembly are close to the garbage can. When the barrel holding assembly is close to the garbage can, it can clamp and limit the garbage can. After the barrel holding assembly clamps the garbage can, the first load-sensitive system can adjust the oil supply of the telescopic assembly, the flip assembly and the barrel holding assembly in real time according to the weight of the garbage can, thereby adjusting the driving force of the garbage collection mechanism, so that the garbage collection mechanism can stably move and flip the garbage can, and the garbage in the garbage can can be poured into the garbage bin through the delivery port. The first load-sensitive system adjusts the driving force of the garbage collection mechanism in real time, thereby improving the energy utilization rate of the sanitation vehicle and extending the service life of the sanitation vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a sanitation vehicle of the present invention.

[0020] Figure 2 It is a structural schematic diagram of the sanitation vehicle of the present invention from another perspective.

[0021] Figure 3 It is a structural schematic diagram of the garbage collection mechanism of the sanitation vehicle of the present invention.

[0022] Figure 4 yes Figure 3 A structural schematic diagram of another perspective of the structure shown in .

[0023] Figure 5 It is a cross-sectional view of the telescopic assembly of the present invention.

[0024] Figure 6 It is a structural schematic diagram of the barrel holding assembly of the present invention.

[0025] Figure 7 yes Figure 6 A structural schematic diagram of another perspective of the structure shown in .

[0026] Figure 8 It is a partial structural schematic diagram of the box body, top cover and top cover opening and closing assembly of the present invention.

[0027] Fig. 9 It is a partial structural schematic diagram of the box body, tailgate and tailgate opening and closing assembly of the present invention.

[0028] Fig.10 It is a partial structural schematic diagram of the box body and the garbage compression assembly of the present invention.

[0029] Fig.11 It is the oil circuit diagram of the sanitation vehicle of the present invention.

[0030] Fig.12 It is the oil circuit diagram of the garbage collection mechanism and the first load sensing system of the present invention.

[0031] Fig.13 It is the oil circuit diagram of the garbage storage mechanism and the second load sensing system of the present invention.

[0032] Fig.14 It is the oil circuit diagram of the dual load sensing system of the present invention.

[0033] Fig.15 It is the oil circuit diagram of the heat dissipation recovery system of the present invention.

[0034] Fig.16 It is a structural schematic diagram of the sanitation vehicle control room of the present invention.

[0035] The reference numerals are as follows: 110, vehicle body; 111, vehicle frame; 112, garbage bin; 1121, box body; 11211, delivery port; 11212, discharge port; 11213, compression chamber; 11214, storage chamber; 1122, top cover; 1223, tailgate; 120, vehicle head; 121, control room; 1211, control handle; 1212, control button; 1213, touch screen; 200, garbage collection mechanism; 210, telescopic assembly; 211, fixed housing; 212, telescopic working space; 213, telescopic hydraulic cylinder; 21 4. Drag chain; 2141. Rotation unit; 215. Telescopic housing; 216. Rolling element; 220. Turning assembly; 221. Turning seat; 222. Turning main arm; 223. Turning hydraulic cylinder; 224. Turning connecting rod; 230. Bucket holding assembly; 231. Bucket holding seat; 232. Bucket holding claw; 2321. Clamping arm structure; 23211. First clamping arm; 23212. Second clamping arm; 23213. Third clamping arm; 23214. Clamping belt; 233. Bucket holding hydraulic cylinder; 300. Garbage storage mechanism; 310. Top cover opening and closing assembly; 311. Top 312, bending part; 313, top cover oil cylinder support; 314, top cover opening and closing hydraulic cylinder; 320, tailgate opening and closing assembly; 321, tailgate opening and closing hydraulic cylinder; 322, locking rod; 323, locking slider; 3231, locking chute; 324, support pin; 330, box lifting assembly; 331, box lifting hydraulic cylinder; 332, lifting oil cylinder support; 333, subframe; 334, first lifting oil return pipeline; 335, second lifting oil return pipeline; 340, garbage compression assembly; 341, compression hydraulic cylinder; 342, compression head; 34 3. Guide plate; 410. Fuel tank; 500. First load-sensitive system; 510. Telescopic load-sensitive pump; 520. Flip load-sensitive pump; 530. Bucket load-sensitive pump; 600. Second load-sensitive system; 610. Top cover load-sensitive pump; 620. Tailgate load-sensitive pump; 630. Lifting load-sensitive pump; 640. Compression load-sensitive pump; 700. Dual load-sensitive system; 710. First load-sensitive pump; 720. Second load-sensitive pump; 800. Heat recovery system; 810. Radiator; 820. Filter; 90. Trash can. DETAILED DESCRIPTION

[0036] Typical implementations that embody the features and advantages of the present application will be described in detail in the following description. It should be understood that the present application can have various changes in different implementations without departing from the scope of the present application, and the descriptions and illustrations therein are essentially used for illustrative purposes rather than for limiting the present application.

[0037] In the description of the present application, 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" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0038] Figure 1 It is a structural schematic diagram of a sanitation vehicle of the present invention.

[0039] See also Figure 1 The present application provides a sanitation vehicle, which may include a vehicle head 120 and a vehicle body 110, wherein the vehicle head 120 is used for driving by a driver. The vehicle body 110 includes a vehicle frame 111 connected to the vehicle head 120 and a garbage bin 112 disposed on the vehicle frame 111. The vehicle frame 111 is used to carry the garbage bin 112. A delivery port 11211 is provided on the upper portion of the garbage bin 112 for dumping garbage.

[0040] See also Figure 1 For ease of understanding and description, the state of the sanitation vehicle when used on the ground is used as a reference, the direction of the front 120 relative to the garbage bin 112 is the front below, and the direction away from the front is the rear below; the direction of the garbage bin 112 relative to the frame 111 is the top below, and the direction away from the top is the rear below; the direction perpendicular to the front direction and the up and down direction is the left and right direction below.

[0041] Figure 2 It is a structural schematic diagram of the sanitation vehicle of the present invention from another perspective. Figure 3 It is a structural schematic diagram of the garbage collection mechanism of the sanitation vehicle of the present invention. Figure 4 yes Figure 3 A structural schematic diagram of another perspective of the structure shown in . Fig.11 It is the oil circuit diagram of the sanitation vehicle of the present invention. Fig.12 It is the oil circuit diagram of the garbage collection mechanism and the first load sensing system of the present invention.

[0042] See also Figures 1 to 4 , Fig.11 and Fig.12The present application provides a sanitation vehicle, which can be used to collect garbage in a garbage bin 90. The sanitation vehicle may include: a vehicle body 110, a garbage collection mechanism 200, a fuel tank 410 and a first load sensing system 500. The vehicle body 110 may include a frame 111 and a garbage bin 112 disposed on the frame 111. The garbage collection mechanism 200 may be located on one side of the garbage bin 112. The garbage collection mechanism 200 may include a telescopic assembly 210, a flip assembly 220 and a barrel holding assembly 230. The telescopic assembly 210 is disposed on the frame 111, and the telescopic end of the telescopic assembly 210 is connected to the flip assembly 220 so as to be able to drive the flip assembly 220 to approach and move away from the garbage bin 112. The flip end of the flip assembly 220 is connected to the barrel holding assembly 230. The barrel holding assembly 230 is used to clamp the garbage bin 90. The flip assembly 220 can drive the bucket assembly 230 and the trash can 90 to flip, so that the garbage in the trash can 90 can be poured into the trash bin 112 through the drop-in port 11211. The oil tank 410 can be arranged on the frame 111 to accommodate hydraulic oil. The first load sensing system 500 is arranged on the frame 111. The first load sensing system 500 can include a telescopic load sensing pump 510, a flip load sensing pump 520 and a bucket load sensing pump 530 arranged in parallel. The input end and the output end of the telescopic load sensing pump 510 are respectively connected to the oil tank 410 and the telescopic assembly 210, so as to adjust the hydraulic oil entering the telescopic assembly 210 according to different loads. The input end and the output end of the flip load sensing pump 520 are respectively connected to the oil tank 410 and the flip assembly 220, so as to adjust the hydraulic oil entering the flip assembly 220 according to different loads. The input end and the output end of the bucket load-sensitive pump 530 are respectively connected to the oil tank 410 and the bucket assembly 230 to adjust the hydraulic oil entering the bucket assembly 230 according to different loads.

[0043] When the sanitation vehicle collects the garbage in the trash can 90, the sanitation vehicle moves to the outside of the trash can 90, and the telescopic assembly 210 moves the flip assembly 220 and the bucket holding assembly 230 toward the trash can 90. The bucket holding assembly 230 clamps and limits the trash can 90, so that the telescopic assembly 210 and the flip assembly 220 can move the bucket holding assembly 230 and the trash can 90.

[0044] After the bucket holding assembly 230 clamps and limits the trash can 90, the overturning load-sensitive pump 520 provides hydraulic oil to the overturning assembly 220 according to the load, so that the overturning assembly 220 rotates and lifts the trash can 90, so that the trash can 90 is away from the ground. After the trash can 90 is away from the ground, the telescopic load-sensitive pump 510 provides hydraulic oil to the telescopic assembly 210 according to the load, so that the telescopic assembly 210 moves the overturning assembly 220, the bucket holding assembly 230 and the trash can 90 toward the trash bin 112. When the trash can 90 approaches the trash bin 112, the overturning load-sensitive pump 520 provides hydraulic oil to the overturning assembly 220 according to the load, so that the overturning assembly 220 overturns the bucket holding assembly 230 and the trash can 90, so that the garbage in the trash can 90 is poured into the trash bin 112 through the delivery port 11211.

[0045] When the garbage in the garbage can 90 is poured into the garbage bin 112, the overturning load-sensitive pump 520 provides hydraulic oil to the overturning assembly 220 according to the load, so that the overturning assembly 220 overturns the barrel holding assembly 230 and the garbage can 90, so that the garbage can 90 is away from the delivery port 11211. Afterwards, the telescopic load-sensitive pump 510 provides hydraulic oil to the telescopic assembly 210 according to the load, so that the garbage can 90 is away from the garbage bin 112, and then the barrel holding load-sensitive pump 530 provides hydraulic oil to the barrel holding assembly 230, so that the barrel holding assembly 230 releases the barrel holding assembly 230, so that the garbage can 90 is placed on the ground.

[0046] See also Figures 1 to 4 , Fig.11 and Fig.12 In this embodiment, the garbage collection mechanism 200 can be arranged on the vehicle frame 111 and located on one side of the garbage bin 112 in the left-right direction. In some embodiments, the garbage collection mechanism 200 is located on the right side of the garbage bin 112 to collect the garbage bin 90 on the right side of the sanitation vehicle's travel direction. In other embodiments, the garbage collection mechanism 200 can also be located on the left side of the garbage bin 112 to collect the garbage bin 90 on the left side of the sanitation vehicle's travel direction.

[0047] Figure 5 It is a cross-sectional view of the telescopic assembly of the present invention.

[0048] See also Figures 1 to 5 , Fig.11 and Fig.12 In this embodiment, the garbage collection mechanism 200 may include a telescopic component 210, a flip component 220 and a bucket holding component 230. The telescopic component 210, the flip component 220 and the bucket holding component 230 cooperate with each other to move the garbage can 90 and pour the garbage in the garbage can 90 into the garbage bin 112 through the delivery port 11211, thereby realizing the rapid transfer of garbage, reducing labor costs and improving work efficiency.

[0049] The telescopic assembly 210 may include a fixed housing 211 and a telescopic hydraulic cylinder 213. The fixed housing 211 is fixedly connected to the frame 111 and is located on one side of the garbage bin 112 in the left-right direction. The fixed housing 211 extends in the left-right direction. A telescopic working space 212 is provided in the fixed housing 211. One end of the fixed housing 211 away from the center of the frame 111 may be opened to communicate with the telescopic working space 212. The cylinder body of the telescopic hydraulic cylinder 213 is located in the telescopic working space 212 to improve the structural strength of the telescopic assembly 210. The telescopic hydraulic cylinder 213 is connected to the telescopic load-sensing pump 510. The telescopic end of the telescopic hydraulic cylinder 213 can exceed the open end of the fixed housing 211 in the left-right direction to drive the flip assembly 220 to move. The telescopic hydraulic cylinder 213 can realize the rapid movement of the garbage bin 90 in the left-right direction, thereby reducing labor costs and improving garbage collection efficiency.

[0050] In some embodiments, the cylinder body of the telescopic hydraulic cylinder 213 is hinged to the inner wall of the fixed housing 211. In other embodiments, a rolling member 216 is disposed in the fixed housing 211, and the rolling member 216 can be rotatably disposed in the telescopic working space 212 around its own rotation axis. The rolling axis of the rolling member 216 extends in the front-to-back direction. The rolling member 216 is located at the lower side of the telescopic end of the telescopic hydraulic cylinder 213, so as to resist and support the extension and contraction of the telescopic end of the telescopic hydraulic cylinder 213, thereby improving the structural strength and stability of the telescopic assembly 210.

[0051] In other embodiments, the rolling element 216 may be a roller, a wheel, a rolling bearing, etc.

[0052] In some embodiments, in the left-right direction, the telescopic end of the telescopic hydraulic cylinder 213 is located on the outside of the frame 111 to facilitate the storage of the flip assembly 220 and the bucket assembly 230, thereby improving the space utilization of the sanitation vehicle.

[0053] In other embodiments, the telescopic load-sensing pump 510 can provide hydraulic oil to the telescopic hydraulic cylinder 213 according to the weight of the trash can 90 to adjust the speed of the reciprocating movement of the telescopic end of the telescopic hydraulic cylinder 213.

[0054] In some embodiments, the telescopic hydraulic cylinder 213 can be a double-acting cylinder with a single piston rod, and the end of the piston rod is the telescopic end. The double-acting cylinders of the telescopic hydraulic cylinder 213 can be connected to the telescopic load-sensitive pump 510 to achieve left and right reciprocating movement of the telescopic end of the telescopic hydraulic cylinder 213.

[0055] In some embodiments, the telescopic assembly 210 may further include a telescopic housing 215. The telescopic housing 215 extends in the left-right direction, and the telescopic housing 215 is sleeved on the telescopic end of the telescopic hydraulic cylinder 213. One end of the telescopic housing 215 is hinged to the telescopic end of the telescopic hydraulic cylinder 213, and the other end of the telescopic housing 215 penetrates into the fixed housing 211, so as to be able to slide left and right with the telescopic end of the telescopic hydraulic cylinder 213 in the telescopic working space 212. In other embodiments, the rolling element 216 is located at the lower side of the telescopic housing 215, and the rolling element 216 can support the telescopic housing 215 to move left and right, thereby improving the structural strength and stability of the telescopic assembly 210.

[0056] In some embodiments, the telescopic assembly 210 may further include a drag chain 214. The drag chain 214 is disposed outside the fixed housing 211. The drag chain 214 is composed of a plurality of rotating units 2141, which can assist the movement of the telescopic end of the telescopic hydraulic cylinder 213 to ensure the stability of the telescopic hydraulic cylinder 213.

[0057] The drag chain 214 includes a first connection part composed of a plurality of rotating units 2141 and a second connection part composed of a plurality of rotating units 2141. Both the first connection part and the second connection part extend in the left-right direction. The first connection part is located at the lower side of the second connection part. An end of the first connection part close to the center of the frame 111 and an end of the second connection part close to the center of the frame 111 are rotatably connected, and the connection between the first connection part and the second connection part is arranged in an arc shape. An end of the first connection part away from the center of the frame 111 is fixedly connected to the frame 111, and an end of the second connection part away from the center of the frame 111 is fixedly connected to the telescopic end of the telescopic hydraulic cylinder 213, so that the second connection part can move along the left-right direction following the telescopic end.

[0058] When the telescopic end of the telescopic hydraulic cylinder 213 extends outward, the second connection part follows the telescopic end and moves outward in the left-right direction, and part of the rotating unit 2141 in the first connection part rotates into the second rotating part to extend the second rotating part. When the telescopic end of the telescopic hydraulic cylinder 213 contracts inward, the second connection part follows the telescopic end and moves inward in the left-right direction, and part of the rotating unit 2141 in the second rotating part rotates into the first rotating part to extend the first rotating part. The drag chain 214 reciprocates in the left-right direction to assist the movement of the telescopic end of the telescopic hydraulic cylinder 213, thereby ensuring the safety and reliability of the telescopic hydraulic cylinder 213 during operation.

[0059] See also Figures 1 to 4 , Fig.11 and Fig.12In this embodiment, the flip assembly 220 is fixedly connected to the telescopic end of the telescopic hydraulic cylinder 213 so as to be able to move laterally along with the telescopic hydraulic cylinder 213. The flip assembly 220 can flip the trash can 90 so as to facilitate the lifting, movement and reset of the trash can 90, thereby improving the efficiency of dumping the trash in the trash can 90 into the trash bin 112.

[0060] The flip assembly 220 may include a flip seat 221, a flip main arm 222, and a flip hydraulic cylinder 223. The flip seat 221 extends in the up-down direction. The lower part of the flip seat 221 is connected to the telescopic end of the telescopic assembly 210 so as to be able to follow the telescopic end of the telescopic assembly 210 to approach and move away from the garbage bin 112. One end of the flip main arm 222 is hinged to the upper part of the flip seat 221, and the other end of the flip main arm 222 is hinged to the barrel holding assembly 230. The flip hydraulic cylinder 223 is arranged on the upper part of the flip seat 221, and the flip hydraulic cylinder 223 is connected to the flip load sensing pump 520. The flip load sensing pump 520 can provide hydraulic oil to the flip hydraulic cylinder 223 according to the weight of the garbage bin 90, so as to drive the flip main arm 222 to flip.

[0061] When the bin holding assembly 230 clamps the trash can 90, the flip load-sensitive pump 520 provides hydraulic oil to the flip hydraulic cylinder 223 according to the weight of the trash can 90 to drive the flip main arm 222 to flip, thereby lifting the trash can 90 and facilitating the telescopic hydraulic cylinder 213 to move the trash can 90 in the left and right directions.

[0062] When the trash can 90 approaches the trash bin 112 under the action of the telescopic hydraulic cylinder 213, the flip hydraulic cylinder 223 drives the flip main arm 222 to flip to approach the delivery port 11211, so that the trash in the trash can 90 is poured into the trash bin 112 through the delivery port 11211. Afterwards, the flip load-sensing pump 520 provides hydraulic oil to the flip hydraulic cylinder 223, and the flip hydraulic cylinder 223 drives the flip main arm 222 to rotate away from the delivery port 11211. Finally, the telescopic end of the telescopic hydraulic cylinder 213 drives the trash can 90 away from the trash bin 112, and the flip hydraulic cylinder 223 drives the flip main arm 222 to flip, so that the trash can 90 is placed on the ground.

[0063] In some embodiments, the turning hydraulic cylinder 223 is a double swing cylinder. The swing cylinder is small in size and requires less space in the front and rear directions of the sanitation vehicle, so that it can be easily installed on the turning seat 221. At the same time, the swing cylinder has a higher lifting capacity under the same system pressure to adapt to different tonnage sanitation vehicle models and lifting loads.

[0064] See also Figures 1 to 4In this embodiment, the flip assembly 220 may further include a plurality of flip links 224. One end of the flip link 224 is hinged on the flip seat 221 and is located on the upper side of the flip hydraulic cylinder 223; the other end of the flip link 224 is hinged on the bucket holding assembly 230 and is located on the side of the flip main arm 222 away from the flip hydraulic cylinder 223. The flip link 224 can improve the structural strength of the flip assembly 220, assist the flip main arm 222 in flipping, and improve the stability of the flip main arm 222 during the rotation process. In addition, the flip link 224, the flip seat 221, the flip main arm 222 and the bucket holding assembly 230 form a four-bar linkage. The flip link 224 can cross the dead point of the four-bar linkage while assisting the flip main arm 222 in flipping, so as to facilitate the flipping of the bucket holding assembly 230, so that the barrel mouth of the garbage can 90 rotates to above the delivery port 11211 of the garbage bin 112.

[0065] Figure 6 It is a structural schematic diagram of the barrel holding assembly of the present invention. Figure 7 yes Figure 6 A structural schematic diagram of another perspective of the structure shown in .

[0066] See also Figures 1 to 4 , Figure 6 , Figure 7 , Fig.11 and Fig.12 In this embodiment, the bucket holding assembly 230 is used to clamp the trash can 90 to achieve lifting, moving and turning of the trash can 90. The bucket holding assembly 230 may include a bucket holding seat 231 and a bucket holding clamp 232. The bucket holding seat 231 is hinged to one end of the turning main arm 222 away from the turning seat 221. The bucket holding seat 231 is connected to one end of the turning connecting rod 224 away from the turning seat 221. The bucket holding clamp 232 is rotatably connected to the bucket holding seat 231 so that the bucket holding clamp 232 can clamp and limit the trash can 90.

[0067] In some embodiments, in the left-right direction, the hinge between the bucket holding seat 231 and the flip connecting rod 224 is located on the side of the hinge between the bucket holding seat 231 and the flip main arm 222 away from the trash can 112.

[0068] See also Figures 1 to 4 , Figure 6 and Figure 7 In this embodiment, the bin clamping jaw 232 may include two clamping arm structures 2321 arranged opposite to each other, and the two clamping arm structures 2321 are hinged on the bin holding seat 231. The two clamping arm structures 2321 can move toward each other to clamp the trash can 90, so that the trash collection mechanism 200 can drive the trash can 90 to move. The two clamping arm structures 2321 can move away from each other to keep the two clamping arm structures 2321 away from the trash can 90, so that the trash can 90 can be placed on the ground.

[0069] The clamp arm structure 2321 may include a first clamp arm 23211, a second clamp arm 23212, and a third clamp arm 23213. One end of the first clamp arm 23211 and one end of the second clamp arm 23212 are both hinged to the front and rear sides of the bin holder 231, and the other end of the first clamp arm 23211 and the other end of the second clamp arm 23212 are both hinged to the third clamp arm 23213. In the left-right direction, the first clamp arm 23211 is located on the side of the second clamp arm 23212 away from the center of the frame 111. The third clamp arm 23213 extends away from the center of the frame 111 in the left-right direction. The first clamp arm 23211 and the second clamp arm 23212 rotate in the same direction, so that the third clamp arms 23213 in the two clamp arm structures 2321 can move toward each other to clamp the trash can 90 or move away from the trash can 90.

[0070] In some embodiments, the clamp arm structure 2321 may further include a clamping band 23214. The clamping band 23214 is located on a side of the first clamp arm 23211 away from the center of the frame 111. One end of the clamping band 23214 is fixedly connected to the first clamp arm 23211, and the other end of the clamping band 23214 is located on an end of the third clamp arm 23213 away from the center of the frame 111, so that the first clamp arm 23211, the third clamp arm 23213 and the clamping band 23214 are in a triangular shape.

[0071] When the two clamping arm structures 2321 move toward each other to clamp the trash can 90, the two clamping belts 23214 can fit tightly on the opposite sides of the trash can 90 to increase the contact area of ​​the trash can 90 when the trash can holding claws 232 clamp the trash can 90, making it easier for the clamping force of the trash can holding claws 232 to be transmitted to the trash can 90, thereby improving the reliability of the trash can holding claws 232, preventing the trash can 90 from slipping, and ensuring the safety of the trash can holding assembly 230.

[0072] See also Figures 1 to 4 , Figure 6 and Figure 7 In this embodiment, the bucket holding assembly 230 may further include a bucket holding hydraulic cylinder 233. The bucket holding hydraulic cylinder 233 is connected to the bucket holding load sensitive pump 530 to provide hydraulic oil to the bucket holding hydraulic cylinder 233 according to the load. The bucket holding hydraulic cylinder 233 is arranged on the flip seat 221 and is in transmission connection with the bucket holding clamp 232, so that the bucket holding clamp 232 can be opened and closed, so that the bucket holding clamp 232 can be clamped to clamp the trash can 90, and the bucket holding clamp 232 can be opened to put down the trash can 90.

[0073] In some embodiments, the barrel holding hydraulic cylinder 233 can be a double-acting cylinder with a single piston rod. The double-acting cylinders of the barrel holding hydraulic cylinder 233 can be connected to the barrel holding load-sensitive pump 530 to achieve reciprocating movement of the telescopic end of the barrel holding hydraulic cylinder 233, thereby achieving the closing and opening of the barrel holding clamp 232.

[0074] See also Fig.11 and Fig.12 In this embodiment, the first load sensing system 500 includes a telescopic load sensing pump 510, a flip load sensing pump 520, and a bucket holding load sensing pump 530 that provide hydraulic oil according to the load. The telescopic load sensing pump 510, the flip load sensing pump 520, and the bucket holding load sensing pump 530 can provide different amounts of hydraulic oil to the telescopic hydraulic cylinder 213, the flip hydraulic cylinder 223, and the bucket holding hydraulic cylinder 233 according to the weight of the garbage can 90, so as to adjust the telescopic speed of the telescopic assembly 210, the flip speed of the flip assembly 220, and the clamping force of the bucket holding assembly 230 in real time, thereby preventing the telescopic hydraulic cylinder 213, the flip hydraulic cylinder 223, and the bucket holding hydraulic cylinder 233 from overheating, thereby improving the energy utilization efficiency of the garbage collection mechanism 200.

[0075] In some embodiments, the telescopic load-sensitive pump 510, the flipping load-sensitive pump 520 and the bucket-holding load-sensitive pump 530 can also provide hydraulic oil to the telescopic hydraulic cylinder 213, the flipping hydraulic cylinder 223 and the bucket-holding hydraulic cylinder 233 respectively according to the work needs of the staff, so as to adjust the telescopic speed of the telescopic component 210, the flipping speed of the flipping component 220 and the clamping force of the bucket-holding component 230 in real time according to the needs of the staff, thereby improving the working efficiency of the garbage collection mechanism 200 and reducing the working time.

[0076] See also Figure 1 and Figure 2 In this embodiment, the trash bin 112 may include a box body 1121, a top cover 1122 and a tailgate 1223. A loading port 11211 is provided at the top of the front end of the box body 1121, a discharge port 11212 is provided at the rear end of the box body 1121, the top cover 1122 can be opened and closed to cover the loading port 11211, and the tailgate 1223 can be opened and closed to cover the discharge port 11212.

[0077] In this embodiment, the box body 1121 may include a compression bin 11213 located at the front end of the box body 1121 and a storage bin 11214 located at the rear end of the box body 1121, and a delivery port 11211 is provided at the upper portion of the compression bin 11213. The storage bin 11214 is connected to the compression bin 11213. When garbage enters the compression bin 11213 through the delivery port 11211, the garbage is compressed in the compression bin 11213 and then input into the storage bin 11214 for storage, so as to improve the space utilization rate of the sanitation vehicle and improve the garbage collection efficiency.

[0078] Figure 8 It is a partial structural schematic diagram of the box body, top cover and top cover opening and closing assembly of the present invention. Fig. 9 It is a partial structural schematic diagram of the box body, tailgate and tailgate opening and closing assembly of the present invention. Fig.10It is a partial structural schematic diagram of the box body and the garbage compression assembly of the present invention.

[0079] See also Figure 1 , Figure 2 , Figures 8 to 10 In this embodiment, the sanitation vehicle may further include a garbage storage mechanism 300. The garbage storage mechanism 300 may include a top cover opening and closing assembly 310 for opening and closing the top cover 1122, a tailgate opening and closing assembly 320 for opening and closing the tailgate 1223, and a box lifting assembly 330 for lifting the box 1121. The top cover opening and closing assembly 310 may be disposed in the box 1121 to drive the top cover to open and close the delivery port 11211. The tailgate opening and closing assembly 320 is disposed in the box 1121 to drive the tailgate 1223 to open and close the discharge port 11212. The box lifting assembly 330 is disposed on the vehicle frame 111, and the box lifting assembly 330 is connected to the box 1121 to be able to lift the box 1121.

[0080] When the sanitation vehicle is collecting garbage, the top cover opening and closing assembly 310 opens the top cover 1122, and the garbage collection mechanism 200 pours the garbage in the garbage can 90 into the box body 1121 through the delivery port 11211. When the sanitation vehicle dumps the garbage, the tailgate opening and closing assembly 320 can drive the tailgate 1223 to open the discharge port 11212, and the box body lifting assembly 330 can lift the box body 1121, so that the garbage in the box body 1121 can be discharged to the outside through the discharge port 11212, thereby emptying the garbage in the garbage box 112, which is convenient for the reuse of the sanitation vehicle.

[0081] See also Figure 1 , Figure 2 , Figure 8 and Fig.11 In this embodiment, the garbage storage mechanism 300 may include a top cover opening and closing assembly 310. The top cover opening and closing assembly 310 may include a top cover support 311, a bending member 312, a top cover cylinder support 313 and a top cover opening and closing hydraulic cylinder 314. The top cover support 311 is arranged on the side wall of the storage bin 11214. The bending member 312 is fixedly connected to the side of the top cover 1122 away from the garbage collection mechanism 200. The bending member 312 is hinged on the top cover support 311 so that the bending member 312 can rotate around the top cover support 311. The top cover cylinder support 313 is arranged on the side wall of the storage bin 11214, the top cover cylinder support 313 is hinged to the cylinder body of the top cover opening and closing hydraulic cylinder 314, and the rotation axis of the top cover opening and closing hydraulic cylinder 314 is arranged parallel to the rotation axis of the bending member 312. The telescopic end of the top cover opening and closing hydraulic cylinder 314 is hinged to the bending piece 312 so that the top cover opening and closing hydraulic cylinder 314 can push the bending piece 312 and the top cover 1122 to rotate around the top cover support 311, thereby opening and closing the delivery port 11211.

[0082] When the trash bin 112 collects trash, the telescopic end of the top cover opening and closing hydraulic cylinder 314 extends out, the top cover opening and closing hydraulic cylinder 314 rotates around the top cover cylinder support 313, and the bending part 312 and the top cover 1122 rotate around the top cover support 311, so that the top cover 1122 opens, and the trash in the trash can 90 can enter the box body 1121 through the delivery port 11211.

[0083] In some embodiments, the top cover support 311 is disposed on the front side wall and / or the rear side wall of the compression chamber 11213, and is located at the compression chamber 11213 away from the delivery port 11211, and the rotation axis of the bending member 312 extends in the front-to-back direction. The top cover oil cylinder support 313 is disposed on the front side wall and / or the rear side wall of the compression chamber 11213, and is located on the side of the top cover support 311 away from the delivery port 11211, and the rotation axis of the top cover opening and closing hydraulic cylinder 314 extends in the front-to-back direction. In the up-down direction, the top cover oil cylinder support 313 is located below the top cover support 311, so that the top cover opening and closing hydraulic cylinder 314 can open and close the top cover 1122.

[0084] When the telescopic end of the top cover cylinder support 313 is extended, the top cover opening and closing hydraulic cylinder 314 rotates around the top cover cylinder support 313, the bending part 312 rotates around the top cover support 311 close to the delivery port 11211, and the top cover 1122 rotates upward around the top cover support 311 to open the delivery port 11211. In addition, the top cover 1122 can be moved away from the delivery port 11211 to prevent the trash can 90 from falling onto the top cover 1122 when dumping trash, thereby preventing the trash from affecting the opening and closing of the top cover 1122, thereby ensuring the safety and stability of the top cover opening and closing assembly 310 and improving the opening and closing efficiency of the top cover 1122.

[0085] In some embodiments, the top cover opening and closing hydraulic cylinder 314 may be a double-acting cylinder with a single piston rod, which can realize reciprocating movement of the telescopic end, thereby realizing the opening and closing of the top cover 1122 .

[0086] See also Figure 1 , Figure 2 , Fig. 9 and Fig.11 In this embodiment, the upper portion of the tailgate 1223 is hinged to the upper portion of the rear end of the box body 1121. The tailgate opening and closing assembly 320 is disposed between the rear end of the box body 1121 and the tailgate 1223, so as to drive the tailgate 1223 to rotate close to the box body 1121 to close the discharge port 11212 or to drive the tailgate 1223 to rotate away from the box body 1121 to open the discharge port 11212, thereby reducing manual intervention, improving the safety of the sanitation vehicle, and effectively improving work efficiency.

[0087] The garbage storage mechanism 300 may include a tailgate opening and closing assembly 320. The tailgate opening and closing assembly 320 may include a tailgate opening and closing hydraulic cylinder 321. The cylinder body of the tailgate opening and closing hydraulic cylinder 321 is hinged to the lower part of the box body 1121, and the telescopic end of the tailgate opening and closing hydraulic cylinder 321 is hinged to the upper part of the tailgate 1223. When the telescopic end of the tailgate opening and closing hydraulic cylinder 321 is extended, the tailgate opening and closing hydraulic cylinder 321 rotates to be able to abut against the tailgate 1223, so that the lower part of the tailgate 1223 rotates away from the box body 1121, thereby opening the discharge port 11212. When the telescopic end of the tailgate opening and closing hydraulic cylinder 321 is retracted, the tailgate opening and closing hydraulic cylinder 321 rotates to be able to pull the tailgate 1223, so that the lower part of the tailgate 1223 rotates toward the box body 1121, thereby closing the discharge port 11212.

[0088] In some embodiments, the tailgate opening and closing hydraulic cylinder 321 may be a double-acting cylinder with a single piston rod, which can realize reciprocating movement of the telescopic end, thereby realizing the opening and closing of the tailgate 1223 .

[0089] See also Figure 1 , Figure 2 and Fig. 9 In this embodiment, a locking rod 322 may be provided on the tailgate 1223. The locking rod 322 is located on the side of the tailgate 1223 facing the box body 1121, and the locking rod 322 extends in left and right directions, and both ends of the locking rod 322 are fixedly connected to the tailgate 1223 respectively.

[0090] The tailgate opening and closing assembly 320 may further include a locking slider 323. The locking slider 323 is slidably disposed at the rear end of the box body 1121 and is located at the lower side of the discharge port 11212. The upper portion of the locking slider 323 is hinged to the cylinder body of the tailgate opening and closing hydraulic cylinder 321, so that the tailgate opening and closing hydraulic cylinder 321 can drive the locking slider 323 to move up and down when the tailgate opening and closing hydraulic cylinder 321 is extended or retracted. In the front-to-back direction, a locking bevel 3231 is recessed on a side wall of the locking slider 323 that is away from the box body 1121 relative to the locking rod 322. In a plane perpendicular to the left-right direction, the locking bevel 3231 extends downwardly at an angle.

[0091] When the tailgate 1223 is opened, the telescopic end of the tailgate opening and closing hydraulic cylinder 321 extends out, the locking slider 323 slides downward, the lower part of the tailgate 1223 rotates upward, the locking rod 322 escapes from the locking inclined groove 3231, and the discharge port 11212 opens, so that the garbage in the box 1121 can be discharged through the discharge port 11212.

[0092] When the tailgate 1223 is closed, the telescopic end of the tailgate opening and closing hydraulic cylinder 321 contracts, the locking slider 323 slides upward, the lower part of the tailgate 1223 rotates downward, the locking rod 322 turns into and abuts against the bottom of the locking inclined groove 3231, so that the locking rod 322 is limited on the locking slider 323, and the tailgate 1223 covers the rear end of the box body 1121 to close the discharge port 11212, thereby reducing labor costs and improving the opening and closing efficiency of the garbage bin 112.

[0093] In some embodiments, the tailgate opening and closing assembly 320 may further include a support latch 324. The lower end of the support latch 324 is rotatably connected to the locking slider 323, and the upper end of the support latch 324 can rotate around the rotation axis of the lower end of the support latch 324 to switch between the supporting position and the folded position.

[0094] When the support latch 324 rotates to the supporting position, the upper end of the support latch 324 rotates in a direction away from the box body 1121, so that the upper end of the support latch 324 abuts against and supports the tailgate 1223, thereby preventing the tailgate 1223 from being accidentally closed and causing safety hazards. When the support latch 324 rotates to the folding position, the support latch 324 is away from the tailgate 1223, so that the tailgate 1223 can cover the rear end of the box body 1121.

[0095] In some embodiments, the tailgate opening and closing assembly 320 may further include a sealing strip (not shown). The sealing strip is disposed at the rear end of the box body 1121 and is disposed around the outer periphery of the discharge port 11212. The sealing strip can be in sealing contact with the tailgate 1223 to improve the sealing performance of the garbage bin 112, prevent liquid garbage from leaking to the outside, and improve the environmental protection performance of the sanitation vehicle.

[0096] See also Figure 1 , Figure 2 and Fig.11 In this embodiment, the rear end of the box body 1121 is rotatably connected to the rear end of the frame 111 , and the front end of the box body 1121 can rotate around the rotation axis of the rear end of the box body 1121 .

[0097] The garbage storage mechanism 300 may include a box lifting assembly 330. The box lifting assembly 330 may include a box lifting hydraulic cylinder 331. One end of the box lifting hydraulic cylinder 331 is arranged on the frame 111, and the other end is rotatably connected to the front end of the box 1121. The box lifting hydraulic cylinder 331 can lift and support the front end of the box 1121, so that the box 1121 rotates around the rotation axis of the rear end of the box 1121, so that the garbage in the box 1121 can be dumped, thereby improving the garbage disposal efficiency.

[0098] The cylinder body of the box lifting hydraulic cylinder 331 is rotatably connected to the front end of the box 1121, and the telescopic end of the box lifting hydraulic cylinder 331 is rotatably connected to the frame 111. The telescopic end of the box lifting hydraulic cylinder 331 extends to lift the box 1121 to dump garbage, and the telescopic end of the box lifting hydraulic cylinder 331 contracts to place the box 1121 on the frame 111 to receive the garbage.

[0099] In some embodiments, the box lifting assembly 330 may further include a lifting cylinder support 332 and a sub-frame 333. The lifting cylinder support 332 is fixedly connected to the front end surface of the box 1121, and the lifting cylinder support 332 is rotatably connected to the cylinder of the box lifting hydraulic cylinder 331. The sub-frame 333 is fixedly connected to the front end of the frame 111, and the sub-frame 333 is rotatably connected to the telescopic end of the box lifting hydraulic cylinder 331, so that when the box lifting hydraulic cylinder 331 supports the box 1121, the weight of the box 1121 and the garbage can be evenly transferred to the frame 111 through the sub-frame 333, thereby ensuring the structural strength and reliability of the vehicle body 110.

[0100] In other embodiments, the lifting cylinder support 332 is disposed at the lower portion of the front end surface of the box 1121 to prevent the box 1121 from colliding with the box lifting hydraulic cylinder 331 when lifting, thereby improving the safety and reliability of the box lifting hydraulic cylinder 331.

[0101] In other embodiments, the auxiliary frame 333 is fixedly connected to the first connection portion of the drag chain 214 to limit the drag chain 214, improve the connection strength between the drag chain 214 and the frame 111, and ensure the stability and reliability of the drag chain 214.

[0102] See also Fig.11 In this embodiment, the box lifting assembly 330 may further include a first lifting oil return pipeline 334 and a second lifting oil return pipeline 335. The first lifting oil return pipeline 334 and the second lifting oil return pipeline 335 are arranged in parallel. The input end of the first lifting oil return pipeline 334 and the input end of the second lifting oil return pipeline 335 can be connected to the box lifting hydraulic cylinder 331 respectively, and the output end of the first lifting oil return pipeline 334 and the output end of the second lifting oil return pipeline 335 are both connected to the oil tank 410. The first lifting oil return pipeline 334 and the second lifting oil return pipeline 335 can be opened and closed respectively to adjust the descending speed of the box 1121.

[0103] In some embodiments, the first lifting oil return pipeline 334 and the second lifting oil return pipeline 335 have different diameters so as to adjust the return speed of the hydraulic oil in the box lifting hydraulic cylinder 331, thereby adjusting the efficiency of the box 1121 when it descends, thereby improving the working efficiency of the garbage bin 112.

[0104] In other embodiments, solenoid valves are provided on the first lift oil return pipeline 334 and the second lift oil return pipeline 335 to respectively open and close the first lift oil return pipeline 334 and the second lift oil return pipeline 335 .

[0105] Fig.10 It is a partial structural schematic diagram of the box body and the garbage compression assembly of the present invention.

[0106] See also Fig.10 and Fig.11 In this embodiment, the garbage storage mechanism 300 may further include a garbage compression assembly 340. The garbage compression assembly 340 may include a compression hydraulic cylinder 341 and a compression head 342. The compression hydraulic cylinder 341 and the compression head 342 are both located in the box 1121 to compress the garbage entering the box 1121 through the delivery port 11211, thereby reducing the space occupied by the garbage, improving the space utilization rate of the box 1121, and thus improving the garbage transportation efficiency.

[0107] The cylinder body of the compression hydraulic cylinder 341 is connected to the box body 1121 , and the telescopic end of the compression hydraulic cylinder 341 is connected to the compression head 342 , so that the compression hydraulic cylinder 341 can push the compression head 342 to compress the garbage in the box body 1121 .

[0108] In some embodiments, the garbage compression assembly 340 can be disposed in the compression bin 11213. The compression hydraulic cylinder 341 extends in the front-to-back direction. The cylinder body of the compression hydraulic cylinder 341 is connected to the front end wall of the compression bin 11213, and the telescopic end of the compression hydraulic cylinder 341 can be telescoped backward. The telescopic end of the compression hydraulic cylinder 341 is connected to the compression head 342, so that the head 342 can be pushed backward and the garbage is compressed, and the garbage is pushed into the storage bin 11214.

[0109] In some embodiments, the garbage compression assembly 340 may further include a guide plate 343. The guide plate 343 is disposed in the compression chamber 11213, and is disposed opposite to the delivery port 11211 and is located on the upper side of the compression hydraulic cylinder 341. In the direction from top to bottom, the guide plate 343 extends obliquely from front to rear, and the guide plate 343 can receive and guide the garbage poured into the delivery port 11211, so as to facilitate the reciprocating movement of the compression head 342 to compress the garbage.

[0110] In some embodiments, when the compression hydraulic cylinder 341 contracts, the rear end of the guide plate 343 extends backward beyond the compression head 342 or is flush with the compression head 342, so that the garbage guided by the guide plate 343 falls into the rear side of the compression head 342, so as to improve the compression efficiency of the garbage, thereby improving the space utilization in the box 1121, so as to facilitate the compression and transportation of the garbage.

[0111] Fig.13 It is the oil circuit diagram of the garbage storage mechanism and the second load sensing system of the present invention.

[0112] See also Fig.11 and Fig.13 In this embodiment, the sanitation vehicle may further include a second load sensing system 600. The second load sensing system 600 is disposed on the vehicle frame 111. The second load sensing system 600 may include a top cover load sensing pump 610, a tailgate load sensing pump 620, and a lifting load sensing pump 630 that are disposed in parallel. The input end and the output end of the top cover load sensing pump 610 are respectively connected to the oil tank 410 and the top cover opening and closing hydraulic cylinder 314, so as to adjust the hydraulic oil entering the top cover opening and closing hydraulic cylinder 314 according to different loads, thereby adjusting the opening and closing speed of the top cover 1122. The input end and the output end of the tailgate load sensing pump 620 are respectively connected to the oil tank 410 and the tailgate opening and closing hydraulic cylinder 321, so as to adjust the hydraulic oil entering the tailgate opening and closing hydraulic cylinder 321 according to different loads, thereby adjusting the opening and closing speed of the tailgate 1223. The input end and the output end of the lifting load sensitive pump 630 are respectively connected to the oil tank 410 and the box lifting hydraulic cylinder 331, so as to adjust the hydraulic oil entering the box lifting hydraulic cylinder 331 according to different loads, thereby adjusting the lifting speed of the box 1121.

[0113] In some embodiments, the top cover load-sensitive pump 610, the tailgate load-sensitive pump 620 and the lifting load-sensitive pump 630 can provide hydraulic oil to the top cover opening and closing hydraulic cylinder 314, the tailgate opening and closing hydraulic cylinder 321 and the box lifting hydraulic cylinder 331 respectively according to the work needs of the staff, so as to adjust the opening and closing speed of the top cover 1122, the opening and closing speed of the tailgate 1223 and the lifting speed of the box 1121 in real time according to the needs of the staff, thereby improving the working efficiency of the garbage bin 112 and reducing the working time.

[0114] In other embodiments, the lifting load sensitive pump 630 can also provide different amounts of hydraulic oil to the box lifting hydraulic cylinder 331 according to the weight of the box 1121 and the garbage inside, thereby preventing the box lifting hydraulic cylinder 331 from overheating due to providing a large amount of hydraulic oil to the box lifting hydraulic cylinder 331, reducing the energy consumption of the box lifting hydraulic cylinder 331, and improving the working efficiency of the box lifting assembly 330.

[0115] In some embodiments, the second load sensing system 600 may further include a compression load sensing pump 640. The compression load sensing pump 640 is arranged in parallel with the top cover load sensing pump 610. The input end and the output end of the compression load sensing pump 640 are respectively connected to the oil tank 410 and the compression hydraulic cylinder 341, so as to adjust the hydraulic oil entering the compression hydraulic cylinder 341 according to different loads.

[0116] Fig.14 It is the oil circuit diagram of the dual load sensing system of the present invention.

[0117] See also Fig.11 and Fig.14 In this embodiment, the sanitation vehicle may further include a dual load sensing system 700, which is disposed on the vehicle frame 111. The dual load sensing system 700 may include a first load sensing pump 710 and a second load sensing pump 720 disposed in parallel. The input end and the output end of the first load sensing pump 710 are respectively connected to the oil tank 410 and the first load sensing system 500, so as to adjust the hydraulic oil entering the first load sensing system 500 according to different loads. The input end and the output end of the second load sensing pump 720 are respectively connected to the oil tank 410 and the second load sensing system 600, so as to adjust the hydraulic oil entering the second load sensing system 600 according to different loads.

[0118] The first load-sensing pump 710 and the second load-sensing pump 720 can adjust the amount of hydraulic oil input to the first load-sensing system 500 and the second load-sensing system 600 in real time according to the flow requirements of the first load-sensing system 500 and the second load-sensing system 600, respectively, so as to ensure the stable and reliable delivery of the hydraulic oil and improve the stability and reliability of the sanitation vehicle. In addition, the dual load-sensing system 700 can also prevent the first load-sensing system 500 and the second load-sensing system 600 from directly contacting the oil tank 410, thereby improving the reliability and stability of the sanitation vehicle.

[0119] Fig.15 It is the oil circuit diagram of the heat dissipation recovery system of the present invention.

[0120] See also Fig.11 and Fig.15 In this embodiment, the sanitation vehicle may further include a heat dissipation recovery system 800, the input end of which is connected to the first load sensing system 500 so as to recover the hydraulic oil in the first load sensing system 500. The input end of the heat dissipation recovery system 800 is connected to the second load sensing system 600 so as to recover the hydraulic oil in the first load sensing system 500. The heat dissipation recovery system 800 can recover the hydraulic oil in the first load sensing system 500 and the second load sensing system 600 respectively, and after cooling and filtering the hydraulic oil, recover the hydraulic oil into the oil tank 410, thereby facilitating the recycling of the hydraulic oil and improving the resource utilization efficiency.

[0121] The heat recovery system 800 may include a radiator 810. The input end of the radiator 810 is respectively connected to the telescopic hydraulic cylinder 213, the tilting hydraulic cylinder 223, the barrel holding hydraulic cylinder 233, the top cover opening and closing hydraulic cylinder 314, the tailgate opening and closing hydraulic cylinder 321 and the box lifting hydraulic cylinder 331, and the output end of the radiator 810 is connected to the oil tank 410 to respectively recover the hydraulic oil therein and cool the hydraulic oil, thereby preventing the hydraulic oil with too high a temperature from being recovered to the oil tank 410 and affecting the recycling of the hydraulic oil, thereby improving the safety and reliability of the sanitation vehicle.

[0122] In some embodiments, the input end of the radiator 810 is connected to the first lifting oil return pipeline 334 and the second lifting oil return pipeline 335 to receive the hydraulic oil in the box lifting hydraulic cylinder 331, thereby achieving the descent of the box 1121 at different speeds and improving the working efficiency of the sanitation vehicle.

[0123] In other embodiments, the heat recovery system 800 may further include a filter 820. The input end of the filter 820 is connected to the output end of the radiator 810, and the output end of the filter 820 is connected to the oil tank 410. The filter 820 can filter the hydraulic oil output by the radiator 810 to filter impurities in the hydraulic oil, improve the flow efficiency of the hydraulic oil, and improve the working efficiency of the sanitation vehicle.

[0124] Fig.16 It is a structural schematic diagram of the sanitation vehicle control room of the present invention.

[0125] See also Fig.11 and Fig.16 In this embodiment, the sanitation vehicle may further include a control room 121 located in the vehicle head 120. A control handle 1211 is provided in the control room 121. The control handle 1211 is electrically connected to the garbage collection mechanism 200 to control the extension and retraction of the telescopic assembly 210, the rotation of the flip assembly 220, and the clamping and loosening of the barrel clamping assembly 230, thereby improving the garbage collection efficiency of the garbage collection mechanism 200.

[0126] In some embodiments, the control handle 1211 is electrically connected to the first load-sensing system 500, and the staff can control the amount of hydraulic oil pumped out by the telescopic load-sensitive pump 510, the flipping load-sensitive pump 520 and the bucket load-sensitive pump 530 through the control handle 1211, so as to control the telescopic speed of the telescopic component 210, the flipping speed of the flipping component 220 and the clamping force of the bucket component 230, thereby improving the utilization efficiency of the hydraulic oil, reducing energy loss, improving energy utilization efficiency, preventing the garbage collection mechanism 200 from overheating, and extending the service life of the garbage collection mechanism 200.

[0127] In other embodiments, the control handle 1211 controls the operation of the garbage collection mechanism 200, and the first load-sensitive system 500 can adjust the telescopic speed of the telescopic assembly 210, the flipping speed of the flipping assembly 220, and the clamping force of the barrel holding assembly 230 according to the weight of the garbage bin 90, thereby facilitating the staff to control the garbage collection mechanism 200 and improve the garbage collection efficiency, and also facilitating reducing the energy consumption of the garbage collection mechanism 200, reducing the operating cost of the sanitation vehicle, preventing the garbage collection mechanism 200 from being overloaded, and improving the stability and safety of the sanitation vehicle.

[0128] See also Fig.11 and Fig.16 In this embodiment, the cab further includes a plurality of control buttons 1212. The plurality of control buttons 1212 include a top cover control button 1212 electrically connected to the top cover load sensing pump 610, a tailgate 1223 control button 1212 electrically connected to the tailgate load sensing pump 620, and a box 1121 control button 1212 electrically connected to the lifting load sensing pump 630, so as to realize the opening and closing of the top cover 1122, the opening and closing of the tailgate 1223, and the lifting and lowering of the box 1121.

[0129] In some embodiments, the plurality of control buttons 1212 further include a top cover adjustment button electrically connected to the top cover load sensing pump 610, a tailgate adjustment button electrically connected to the tailgate load sensing pump 620, and a box raising button electrically connected to the lifting load sensing pump 630. The top cover adjustment button can control the amount of hydraulic oil output by the top cover load sensing pump 610 to control the opening and closing speed of the top cover 1122. The tailgate adjustment button can control the amount of hydraulic oil output by the tailgate load sensing pump 620 to control the opening and closing speed of the tailgate 1223. The box raising button can control the amount of hydraulic oil output by the lifting load sensing pump 630 to control the rising speed of the box 1121.

[0130] In other embodiments, the plurality of control buttons 1212 may further include a box lowering button. The box lowering button may be electrically connected to the solenoid valves on the first lifting oil return line 334 and the second lifting oil return line 335 to control the on-off of the first lifting oil return line 334 and the second lifting oil return line 335, thereby controlling the oil return efficiency of the hydraulic oil in the box lifting hydraulic cylinder 331 and adjusting the lowering speed of the box 1121.

[0131] In this embodiment, the control room 121 may further include a controller (not shown in the figure). The controller may be electrically connected to the control handle, the plurality of control buttons 1212, the garbage collection mechanism 200, the garbage storage mechanism 300, the first load sensing system 500, the second load sensing system 600 and the dual load sensing system 700. After receiving the control signals from the control handle 1211 and the plurality of control buttons 1212, the controller may control the corresponding garbage collection mechanism 200, the garbage storage mechanism 300, the first load sensing system 500, the second load sensing system 600 and the dual load sensing system 700 to perform related actions.

[0132] In some embodiments, a touch screen 1213 is further provided in the control room 121. After the touch screen 1213 is electrically connected to the controller, it can be used to display the operating status of the sanitation vehicle in real time and adjust the relevant parameters of the garbage collection mechanism 200 and the garbage storage mechanism 300 in real time.

[0133] See also Figures 1 to 16 The present application provides a sanitation vehicle for collecting garbage in a garbage can 90. When the sanitation vehicle is in use, the sanitation vehicle is parked at one side of the garbage can 90, and the telescopic load-sensitive pump 510 provides hydraulic oil to the telescopic hydraulic cylinder 213 according to the load, so that the telescopic end of the telescopic hydraulic cylinder 213 extends toward the garbage can 90.

[0134] After the telescopic end of the telescopic hydraulic cylinder 213 is extended and the bucket holding assembly 230 approaches the trash can 90, the bucket holding load sensing pump 530 provides hydraulic oil to the bucket holding hydraulic cylinder 233, so that the bucket holding claw 232 opens and clamps the trash can 90. After the bucket holding assembly 230 clamps the trash can 90, the flip load sensing pump 520 provides hydraulic oil to the flip hydraulic cylinder 223, so that the flip main arm 222 rotates, thereby driving the bucket holding assembly 230 and the trash can 90 away from the ground. After the trash can 90 is away from the ground, the telescopic end of the telescopic hydraulic cylinder 213 is retracted to make the trash can 90 close to the trash bin 112. When the trash can 90 approaches the trash box 112, the flip load-sensitive pump 520 provides hydraulic oil to the flip hydraulic cylinder 223 according to the load, so that the flip main arm 222 drives the bucket holding assembly 230 and the trash can 90 to flip, thereby making the trash can 90 close to the delivery port 11211, and the garbage in the trash can 90 is dumped into the compression bin 11213 through the delivery port 11211.

[0135] When the garbage in the garbage bin 90 is dumped into the box body 1121, the compression load-sensitive pump 640 provides hydraulic oil to the compression hydraulic cylinder 341 according to the load, so that the compression hydraulic cylinder 341 drives the compression head 342 to compress the garbage and push the garbage into the storage bin 11214 for storage.

[0136] When the garbage in the trash can 90 is poured into the box 1121, the overturning load-sensitive pump 520 provides hydraulic oil to the overturning hydraulic cylinder 223 according to the load, so that the overturning hydraulic cylinder 223 drives the bucket holding assembly 230 and the trash can 90 to rotate away from the delivery port 11211. Afterwards, the telescopic end of the telescopic hydraulic cylinder 213 extends, the overturning hydraulic cylinder 223 overturns the trash can 90, and the bucket holding claw 232 releases the trash can 90, so that the trash can 90 is placed on the ground. Afterwards, the telescopic end of the telescopic hydraulic cylinder 213 contracts, so that the overturning assembly 220 and the bucket holding assembly 230 are retracted to one side of the box 1121, thereby facilitating the movement of the sanitation vehicle to handle the garbage in the subsequent trash can 90.

[0137] Finally, when the sanitation vehicle dumps garbage, the tailgate load-sensitive pump 620 provides hydraulic oil to the tailgate opening and closing hydraulic cylinder 321 to open the discharge port 11212. The lifting load-sensitive pump 630 provides hydraulic oil to the box lifting hydraulic cylinder 331 according to the load, so that the telescopic end of the box lifting hydraulic cylinder 331 extends and the box 1121 rotates, so that the garbage in the box 1121 is discharged to the outside through the discharge port 11212.

[0138] When the sanitation vehicle has finished dumping the garbage, the staff controls the first lifting oil return pipeline 334 and the second lifting oil return pipeline 335 to open and close, thereby adjusting the retraction speed of the telescopic end of the box lifting hydraulic cylinder 331 according to demand, so that the box 1121 is placed on the frame 111. The telescopic end of the hydraulic cylinder of the tailgate 1223 is retracted so that the tailgate 1223 covers the box 1121, thereby facilitating the subsequent use of the sanitation vehicle.

[0139] The above embodiments are merely exemplary descriptions of the structures. The structures in the embodiments are not fixed combination structures. In the absence of structural conflicts, the structures in multiple embodiments can be used in any combination.

[0140] Although the present application has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present application can be implemented in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A sanitation vehicle, which can be used to collect garbage in a garbage can, characterized in that: include: The vehicle body comprises a vehicle frame and a garbage bin arranged on the vehicle frame, wherein an opening is provided on the upper portion of the garbage bin for dumping garbage; A garbage collection mechanism, which is located at one side of the garbage bin; the garbage collection mechanism comprises a telescopic assembly, a flip assembly and a bucket holding assembly, the telescopic assembly is arranged on the vehicle frame, the telescopic end of the telescopic assembly is connected to the flip assembly, so as to be able to drive the flip assembly to approach and move away from the garbage bin; the flip end of the flip assembly is connected to the bucket holding assembly; the bucket holding assembly is used to clamp the garbage bin; the flip assembly can drive the bucket holding assembly and the garbage bin to flip, so that the garbage in the garbage bin can be poured into the garbage bin through the delivery port; An oil tank, which is arranged on the frame and is used to contain hydraulic oil; A first load-sensitive system is arranged on the frame; the first load-sensitive system includes a telescopic load-sensitive pump, a tipping load-sensitive pump and a bucket load-sensitive pump arranged in parallel, the input end and the output end of the telescopic load-sensitive pump are respectively connected to the oil tank and the telescopic component, so as to adjust the hydraulic oil entering the telescopic component according to different loads; the input end and the output end of the tipping load-sensitive pump are respectively connected to the oil tank and the tipping component, so as to adjust the hydraulic oil entering the tipping component according to different loads; the input end and the output end of the bucket load-sensitive pump are respectively connected to the oil tank and the bucket component, so as to adjust the hydraulic oil entering the bucket component according to different loads.

2. The sanitation vehicle according to claim 1, characterized in that: The trash bin comprises a box body, a top cover and a tailgate, the box body is provided with the delivery port at the upper part of the front end, the box body is provided with a discharge port at the rear end, the top cover can be opened and closed to cover the delivery port, and the tailgate can be opened and closed to cover the discharge port; The sanitation vehicle further comprises a garbage storage mechanism, wherein the garbage storage mechanism comprises a top cover opening and closing assembly for opening and closing the top cover, a tailgate opening and closing assembly for opening and closing the tailgate, and a box lifting assembly for lifting the box; The sanitation vehicle also includes a second load-sensitive system, which is arranged on the vehicle frame; the second load-sensitive system includes a top cover load-sensitive pump, a tailgate load-sensitive pump and a lifting load-sensitive pump arranged in parallel, the input end and the output end of the top cover load-sensitive pump are respectively connected to the oil tank and the top cover opening and closing assembly, so as to adjust the hydraulic oil entering the top cover opening and closing assembly according to different loads; the input end and the output end of the tailgate load-sensitive pump are respectively connected to the oil tank and the tailgate opening and closing assembly, so as to adjust the hydraulic oil entering the tailgate opening and closing assembly according to different loads; the input end and the output end of the lifting load-sensitive pump are respectively connected to the oil tank and the box lifting assembly, so as to adjust the hydraulic oil entering the box lifting assembly according to different loads.

3. The sanitation vehicle according to claim 2, characterized in that: The sanitation vehicle also includes a dual load-sensitive system, which is arranged on the vehicle frame; the dual load-sensitive system includes a first load-sensitive pump and a second load-sensitive pump arranged in parallel, the input end and the output end of the first load-sensitive pump are respectively connected to the oil tank and the first load-sensitive system, so as to adjust the hydraulic oil entering the first load-sensitive system according to different loads; the input end and the output end of the second load-sensitive pump are respectively connected to the oil tank and the second load-sensitive system, so as to adjust the hydraulic oil entering the second load-sensitive system according to different loads.

4. The sanitation vehicle according to claim 3, characterized in that: The sanitation vehicle also includes a heat dissipation recovery system, the input end of which is connected to the first load-sensitive system so as to recover the hydraulic oil in the first load-sensitive system; the input end of the heat dissipation recovery system is connected to the second load-sensitive system so as to recover the hydraulic oil in the first load-sensitive system.

5. The sanitation vehicle according to claim 2, characterized in that: The box lifting assembly includes a box lifting hydraulic cylinder, a first lifting oil return pipeline and a second lifting oil return pipeline. The box lifting hydraulic cylinder is arranged on the frame to lift the box. The first lifting oil return pipeline and the second lifting oil return pipeline are arranged in parallel. The input end of the first lifting oil return pipeline and the input end of the second lifting oil return pipeline can be connected to the box lifting hydraulic cylinder respectively, and the output end of the first lifting oil return pipeline and the output end of the second lifting oil return pipeline are both connected to the oil tank so as to be able to adjust the descending speed of the box.

6. The sanitation vehicle according to claim 2, characterized in that: A compression hydraulic cylinder and a compression head are also provided in the box body. The cylinder body of the compression hydraulic cylinder is connected to the box body, and the telescopic end of the compression hydraulic cylinder is connected to the compression head, so that the compression hydraulic cylinder can push the compression head to compress the garbage in the box body.

7. The sanitation vehicle according to claim 6, characterized in that: The second load sensing system also includes a compression load sensing pump connected in parallel with the top cover load sensing pump, wherein the input end and the output end of the compression load sensing pump are respectively connected to the oil tank and the compression hydraulic cylinder, so as to adjust the hydraulic oil entering the compression hydraulic cylinder according to different loads.

8. The sanitation vehicle according to claim 2, characterized in that: The box body includes a compression bin located at the front end of the box body and a storage bin located at the rear end of the box body, and the upper part of the compression bin is provided with the delivery port; The top cover opening and closing assembly includes a top cover support, a bending part, a top cover cylinder support and a top cover opening and closing hydraulic cylinder; the top cover support is arranged on the side wall of the compression bin; the bending part is fixedly connected to the side of the top cover away from the garbage collection mechanism, and the bending part is hinged to the top cover support so that the bending part can rotate around the top cover support; the top cover cylinder support is arranged on the side wall of the compression bin, the top cover cylinder support is hinged to the cylinder body of the top cover opening and closing hydraulic cylinder, and the rotation axis of the top cover opening and closing hydraulic cylinder is arranged parallel to the rotation axis of the bending part; the telescopic end of the top cover opening and closing hydraulic cylinder is hinged to the bending part, so that the top cover opening and closing hydraulic cylinder can push the bending part and the top cover to rotate around the top cover support, thereby opening and closing the delivery port.

9. The sanitation vehicle according to claim 1, characterized in that: The flip assembly includes a flip seat, a flip main arm and a flip hydraulic cylinder; the flip seat extends up and down, and the lower part of the flip seat is connected to the telescopic end of the telescopic assembly so that it can follow the telescopic end of the telescopic assembly to approach and move away from the trash can; one end of the flip main arm is rotatably connected to the upper part of the flip seat, and the other end of the flip main arm is hinged to the bucket holding assembly; the flip hydraulic cylinder is arranged on the upper part of the flip seat, and the flip hydraulic cylinder is connected to the flip load sensitive pump, and the flip load sensitive pump can provide hydraulic oil to the flip hydraulic cylinder according to the weight of the trash can to drive the flip main arm to flip.

10. The sanitation vehicle according to claim 9, characterized in that: The bucket holding assembly includes a bucket holding seat and a bucket holding claw, wherein the bucket holding seat is hinged to one end of the flip main arm away from the flip seat, and the bucket holding claw is rotatably connected to the bucket holding seat so that the bucket holding claw can clamp and limit the garbage can; The flip assembly also includes a plurality of flip connecting rods, one end of which is hinged on the flip seat and located on the upper side of the flip hydraulic cylinder; the other end of the flip connecting rod is hinged on the bucket holding seat and located on the side of the flip main arm away from the flip hydraulic cylinder.

Images