CN216407314U - Clean drive control system and sanitation car - Google Patents
Clean drive control system and sanitation car Download PDFInfo
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- CN216407314U CN216407314U CN202122625010.2U CN202122625010U CN216407314U CN 216407314 U CN216407314 U CN 216407314U CN 202122625010 U CN202122625010 U CN 202122625010U CN 216407314 U CN216407314 U CN 216407314U
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Abstract
The utility model discloses a cleaning control system, which comprises an oil tank, an overflow valve, a variable pump and a control branch; the oil outlet of the oil tank is respectively connected with the oil inlet of the variable pump and the oil outlet of the overflow valve, the oil inlet of the control branch is respectively connected with the oil outlet of the variable pump and the oil inlet of the overflow valve, the control branch comprises a proportional electromagnetic reversing valve group and a motor, the oil inlet of the proportional electromagnetic reversing valve group is the oil inlet of the control branch, the oil outlet of the proportional electromagnetic reversing valve group is connected with the oil inlet of the motor, the oil outlet of the motor is connected with the oil inlet of the oil tank, and the motor is used for driving the cleaning device to operate. In the technical scheme, the cleaning control system can improve the cleaning capacity of the sanitation vehicle, ensure the cleaning effect of the road surface and improve the urban landscape; no excess oil liquid overflows within the highest working pressure range, the power loss of a hydraulic system is reduced, and unnecessary energy loss is reduced.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a cleaning control system and a sanitation vehicle.
Background
The sanitation vehicle is used for cleaning the ground and collecting and transporting garbage on the road surface. The operation mechanism of the general sanitation truck mainly comprises a sweeping disc, a fan, a water path and the like, and the operation process is that the sweeping disc rotates to sweep road surface garbage to a middle suction nozzle in the process of low-speed running of the truck; the high-pressure waterway sprays water to flush the ground and reduce dust; the fan works to generate vacuum, and the suction nozzle sucks garbage on the road surface into the garbage can, so that the road surface cleaning work is completed.
The sweeping disc and the rolling brush are driven and controlled by a constant delivery pump, a cycloid motor, a flow collecting and dividing valve and an electromagnetic reversing valve, the rotating speed of the sweeping disc and the rotating speed of the rolling brush controlled by the driving control mode are fixed, the rotating speed of the sweeping disc cannot be changed according to different road and ground conditions, and the sweeping effect on individual road surfaces is poor; because the hydraulic pump is a fixed displacement pump, after the engine is started, the hydraulic pump is always in an output state, and unnecessary power loss is caused.
SUMMERY OF THE UTILITY MODEL
Therefore, a cleaning control system and a sanitation vehicle are needed to be provided, and the problem of optimizing the driving control mode of the sweeping disc and the rolling brush is solved.
In order to achieve the above object, this embodiment provides a cleaning control system, which includes an oil tank, an overflow valve, a variable pump, and a control branch;
the oil outlet of the oil tank is respectively connected with the oil inlet of the variable pump and the oil outlet of the overflow valve, the oil inlet of the control branch is respectively connected with the oil outlet of the variable pump and the oil inlet of the overflow valve, the control branch comprises a proportional electromagnetic reversing valve group and a motor, the oil inlet of the proportional electromagnetic reversing valve group is the oil inlet of the control branch, the oil outlet of the proportional electromagnetic reversing valve group is connected with the oil inlet of the motor, the oil outlet of the motor is connected with the oil inlet of the oil tank, and the motor is used for driving the cleaning device to operate.
Further, the proportional electromagnetic directional valve group comprises a pressure compensation valve and a proportional electromagnetic directional valve;
the oil inlet of the pressure compensation valve is the oil inlet of the proportional electromagnetic reversing valve group, the pressure compensation valve is connected with the proportional electromagnetic reversing valve, and the oil outlet of the proportional electromagnetic reversing valve is the oil outlet of the proportional electromagnetic reversing valve group.
Furthermore, the number of the control branches is multiple, and the proportional electromagnetic directional valve group further comprises a shuttle valve;
and the pilot feedback oil path of the pressure supplement valve of each control branch is connected through the shuttle valve, and each shuttle valve is connected with the load feedback port of the variable pump.
Further, the variable displacement pump is a load sensitive variable displacement pump.
Further, the cleaning device is a sweeping disc or a rolling brush.
In order to achieve the above object, the present embodiment further provides a sanitation vehicle, including a traveling device, a cleaning device and a cleaning control system arranged on the vehicle body;
the travelling device is used for driving the vehicle body to travel;
the cleaning device is connected with the cleaning control system, the cleaning control system is used for driving the cleaning device to clean the floor, and the cleaning control system is the cleaning control system according to any one of the embodiments.
Further, the cleaning device is a sweeping disc or a rolling brush.
Different from the prior art, in the technical scheme, the proportional electromagnetic reversing valve group can adaptively adjust the rotating speed of the cleaning device according to different road and ground conditions, so that the cleaning capacity of the sanitation truck can be improved, the cleaning effect of the road surface is ensured, and the city appearance is improved; the variable pump does not output when in a non-working state, so that the power loss is reduced, the oil consumption is reduced, the variable pump is matched with an overflow valve, no redundant oil overflows within the range of the highest working pressure, the power loss of a hydraulic system is reduced, the unnecessary energy loss is reduced, and the like.
Drawings
FIG. 1 is a schematic diagram of a cleaning control system according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the cleaning control system in this embodiment.
Description of reference numerals:
1. an oil tank;
2. an overflow valve;
3. a variable displacement pump;
4. a pressure compensating valve;
5. a proportional solenoid directional valve;
6. a motor;
61. a pan sweeping motor; 62. a roller brush motor;
7. a shuttle valve;
8. sweeping the disc;
9. and (7) rolling and brushing.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 2, the present embodiment provides a cleaning control system for a cleaning device of a sanitation vehicle. The cleaning control system comprises an oil tank 1, an overflow valve 2, a variable pump 3 and a control branch. The oil outlet of the oil tank 1 is respectively connected with the oil inlet of the variable pump 3 and the oil outlet of the overflow valve 2, the oil inlet of the control branch is respectively connected with the oil outlet of the variable pump 3 and the oil inlet of the overflow valve 2, the control branch comprises a proportional electromagnetic reversing valve group and a motor 6, the oil inlet of the proportional electromagnetic reversing valve group is the oil inlet of the control branch, the oil outlet of the proportional electromagnetic reversing valve group is connected with the oil inlet of the motor 6, the oil outlet of the motor 6 is connected with the oil inlet of the oil tank 1, the motor 6 is used for driving a cleaning device to operate, and the cleaning device can be a sweeping disc 8 or a rolling brush 9 of a sanitation truck.
In the technical scheme, the proportional electromagnetic reversing valve group can adaptively adjust the rotating speed of the cleaning device according to different road and ground conditions, so that the cleaning capacity of the sanitation vehicle can be improved, the cleaning effect of the road surface is ensured, and the urban landscape is improved; the variable pump does not output when in a non-working state, so that the power loss is reduced, the oil consumption is reduced, the variable pump is matched with an overflow valve, no redundant oil overflows within the range of the highest working pressure, the power loss of a hydraulic system is reduced, the unnecessary energy loss is reduced, and the like.
Referring to fig. 2, in the present embodiment, the cleaning device is a sweeping disk 8 or a rolling brush 9. The sweeping disc 8 rotates to sweep the pavement garbage to the middle suction nozzle; the rolling brush 9 rotates to clean the road section with large fall; the sanitation car can realize multiple cleaning functions, and has the advantages of high economical efficiency, strong practicability and reliable performance.
Referring to fig. 1 and fig. 2, in the present embodiment, the proportional electromagnetic directional valve set includes a pressure compensation valve 4 and a proportional electromagnetic directional valve 5. The oil inlet of the pressure compensation valve 4 is the oil inlet of the proportional electromagnetic directional valve group, the pressure compensation valve 4 is connected with the proportional electromagnetic directional valve 5, and the oil outlet of the proportional electromagnetic directional valve 5 is the oil outlet of the proportional electromagnetic directional valve group. The proportional electromagnetic directional valve 5 controls the motor 6 to act, the proportional electromagnetic directional valve 5 is matched with the pressure compensation valve 4, the output of each branch can be further controlled, the output flow is controlled according to specific actual requirements, and therefore the running speed of the motor 6 is controlled. The driver can correspondingly increase or decrease the rotating speed of the sweeping disc 8 and the rolling brush 9 according to the change of the road surface, thereby adapting to the specific actual road surface condition, improving the working capacity, unnecessary energy waste and the like.
Referring to fig. 1, oil in the oil tank 1 is supplied to the pressure compensating valve 4, the proportional electromagnetic directional valve 5 and the motor 6 through the variable displacement pump 3, and the variable displacement pump 3 can output the oil according to actual needs, so that the situation that redundant oil needs to be bypassed to the oil tank 1 through the overflow valve 2 and the like is avoided, the heat generated by a system is reduced, and the power consumption of the whole vehicle is reduced.
Referring to fig. 2, in the present embodiment, the cleaning device includes a plurality of sweeping discs 8 and a plurality of rolling brushes 9, and the number of the control branches is plural. Each control branch comprises a proportional electromagnetic reversing valve group and a motor 6, the motor 6 of each control branch is used for driving one sweeping disc 8 or one rolling brush 9 to operate, the sweeping disc motor 61 drives the sweeping disc 8 to operate, and the rolling brush motor 62 drives the rolling brush 9 to operate. When the total number of the sweeping discs 8 and the rolling brushes 9 is N (N is a positive integer, e.g. 1, 2, 3, 4, 5 … …), the number of control branches is N. Referring to fig. 2, there are 2 of the sweeping plates 8, and the 2 sweeping plates 8 are symmetrically distributed. The number of the rolling brushes 9 is 1, and the rolling brushes are positioned between 2 sweeping discs 8, so that the number of the control branches is 3.
Referring to fig. 1, in a further embodiment, in order to ensure that each branch circuit obtains stable output and does not interfere with each other, the proportional electromagnetic directional valve set further includes a shuttle valve 7. The pilot feedback oil path of the pressure supplement valve of each control branch is connected through the shuttle valve 7, and each shuttle valve 7 is connected with the load feedback port of the variable pump 3. The shuttle valve can eliminate the influence between each pilot feedback oil circuit, and ensures that the flow and the pressure output of each control branch tend to be stable.
Referring to fig. 1, the variable displacement pump 3 may be a load-sensitive variable displacement pump or a variable displacement plunger pump. Preferably, the variable displacement pump 3 is a load-sensitive variable displacement pump. The load sensitive variable pump does not output when in a non-working state, so that the power loss is reduced, the oil consumption is reduced, then the variable pump 3 is matched with the overflow valve 2, no excess oil overflows within the highest working pressure range, the power loss of a hydraulic system is reduced, the unnecessary energy loss is reduced, and the like.
The embodiment also provides a sanitation vehicle, which comprises a travelling device, a cleaning device and a cleaning control system, wherein the travelling device, the cleaning device and the cleaning control system are arranged on the vehicle body; the travelling device is used for driving the vehicle body to travel and comprises an engine and a travelling wheel, and the engine is in transmission connection with the travelling wheel; the cleaning device is connected with the cleaning control system, the cleaning control system is used for driving the cleaning device to clean the floor, and the cleaning control system is a cleaning control system as described in any one of the above embodiments, and the structure is as shown in fig. 1 and fig. 2. The sanitation car can realize multiple cleaning functions, and has the advantages of high economical efficiency, strong practicability and reliable performance.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (7)
1. A cleaning control system is characterized by comprising an oil tank, an overflow valve, a variable pump and a control branch;
the oil outlet of the oil tank is respectively connected with the oil inlet of the variable pump and the oil outlet of the overflow valve, the oil inlet of the control branch is respectively connected with the oil outlet of the variable pump and the oil inlet of the overflow valve, the control branch comprises a proportional electromagnetic reversing valve group and a motor, the oil inlet of the proportional electromagnetic reversing valve group is the oil inlet of the control branch, the oil outlet of the proportional electromagnetic reversing valve group is connected with the oil inlet of the motor, the oil outlet of the motor is connected with the oil inlet of the oil tank, and the motor is used for driving the cleaning device to operate.
2. The cleaning control system of claim 1, wherein the proportional solenoid directional valve bank comprises a pressure compensating valve and a proportional solenoid directional valve;
the oil inlet of the pressure compensation valve is the oil inlet of the proportional electromagnetic reversing valve group, the pressure compensation valve is connected with the proportional electromagnetic reversing valve, and the oil outlet of the proportional electromagnetic reversing valve is the oil outlet of the proportional electromagnetic reversing valve group.
3. The cleaning control system of claim 2, wherein the control branch is plural, and the proportional solenoid directional valve set further comprises a shuttle valve;
and the pilot feedback oil path of the pressure supplement valve of each control branch is connected through the shuttle valve, and each shuttle valve is connected with the load feedback port of the variable pump.
4. The cleaning control system of claim 1, wherein the variable displacement pump is a load sensitive variable displacement pump.
5. A cleaning control system as claimed in claim 1, wherein the cleaning means is a sweeping disc or a rolling brush.
6. The sanitation vehicle is characterized by comprising a traveling device, a cleaning device and a cleaning control system which are arranged on a vehicle body;
the travelling device is used for driving the vehicle body to travel;
the cleaning device is connected with the cleaning control system, the cleaning control system is used for driving the cleaning device to clean the floor, and the cleaning control system is a cleaning control system as claimed in any one of claims 1 to 5.
7. The sanitation vehicle of claim 6, wherein said cleaning device is a sweeping disc or a rolling brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625010.2U CN216407314U (en) | 2021-10-29 | 2021-10-29 | Clean drive control system and sanitation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625010.2U CN216407314U (en) | 2021-10-29 | 2021-10-29 | Clean drive control system and sanitation car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407314U true CN216407314U (en) | 2022-04-29 |
Family
ID=81298415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625010.2U Active CN216407314U (en) | 2021-10-29 | 2021-10-29 | Clean drive control system and sanitation car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407314U (en) |
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2021
- 2021-10-29 CN CN202122625010.2U patent/CN216407314U/en active Active
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