Integrated high-pressure waterway control system of cleaning and sweeping vehicle

Abstract

The utility model discloses an integrated high-pressure waterway control system of a cleaning and sweeping vehicle. The integrated high-pressure waterway control system comprises a clear water tank, a high-pressure water pump and an integrated pneumatic water valve, the output end of the clean water tank is connected with the input end of the high-pressure water pump; the output end of the high-pressure water pump is connected with the automatic unloading valve and the overflow valve; the integrated pneumatic water valve comprises multiple sets of pneumatic high-pressure ball valves which are connected in parallel, one set of normally-open pneumatic high-pressure ball valves are used for unloading of the water pump, the output ends of the set of pneumatic high-pressure ball valves and the output end of the overflow valve are connected to the clear water tank together, and the other sets of normally-closed pneumatic high-pressure ball valves are used for being connected with the executing end of the cleaning and sweeping vehicle. The utility model has the advantages of simple installation, convenience in later maintenance, more compact structure and high space utilization rate.

Description

Technical Field

[0001] The utility model relates to the technical field of washing and sweeping vehicles, in particular to an integrated high-pressure waterway control system for washing and sweeping vehicles. Background Art

[0002] A road sweeper is a road cleaning and maintenance vehicle in the road sweeper series. It is widely used in the cleaning and maintenance of urban roads. The high-pressure water circuit control valve of the road sweeper commonly seen on the market is mainly composed of a water pipe assembly, a cylinder, a high-pressure water valve, etc. The water pipe assembly needs to be installed on a matching water pipe assembly bracket, and multiple high-pressure water valves are installed at the water outlet of the water pipe assembly. The multi-way cylinder is then connected to the water pipe assembly bracket and multiple high-pressure water valves, and a one-way throttle valve is installed on the cylinder. The air source is connected to the water pipe to achieve functional requirements. The structure of this control device is relatively complicated, with many components, requiring a lot of assembly time, and is prone to water leakage, cylinder extension and extension jamming, etc., which affects the normal operation of the entire high-pressure water circuit control system of the road sweeper. Utility Model Content

[0003] In order to solve the defects in the prior art, the utility model provides an integrated high-pressure water circuit control system for a washing and sweeping vehicle.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an integrated high-pressure water circuit control system for a washing and sweeping vehicle, comprising a clean water tank, a high-pressure water pump and an integrated pneumatic water valve;

[0006] The output end of the clean water tank is connected to the input end of the high-pressure water pump, and the output end of the high-pressure water pump is connected to the automatic unloading valve and the overflow valve;

[0007] The integrated pneumatic water valve includes multiple groups of pneumatic high-pressure ball valves connected in parallel, one group of normally open pneumatic high-pressure ball valves is used for water pump unloading, the output end of this group of pneumatic high-pressure ball valves is connected to the clean water tank together with the output end of the overflow valve, and the other groups of normally closed pneumatic high-pressure ball valves are used to connect to the executive end of the washing and sweeping vehicle.

[0008] As a preferred technical solution of the utility model, the execution end of the washing and sweeping vehicle includes a left spray rod, a suction nozzle spray rod, a garbage bin self-cleaning spray rod and a right spray rod. The left spray rod, the suction nozzle spray rod, the garbage bin self-cleaning spray rod and the right spray rod are all individually connected to a group of pneumatic high-pressure ball valves.

[0009] As a preferred technical solution of the utility model, the pneumatic high-pressure ball valve located in the middle connects the left front corner spray, the right front corner spray, the rear spray rod and the reel water inlet.

[0010] As a preferred technical solution of the utility model, a water filter is connected between the high-pressure water pump and the clean water tank.

[0011] As a preferred technical solution of the utility model, the output end of the high-pressure water pump is connected with a three-dimensional tee.

[0012] As a preferred technical solution of the utility model, the overflow valve and the automatic unloading valve are respectively connected to the two output ends of the three-dimensional tee.

[0013] As a preferred technical solution of the utility model, a pressure gauge is connected to the threaded port on the top of the integrated pneumatic water valve.

[0014] The beneficial effects of the utility model are:

[0015] The utility model is simple to install and convenient for later repair and maintenance. It has a more compact structure and high space utilization. The integrated pneumatic water valve replaces the water valve assembly that needs to be assembled on the market, which avoids the leakage of the water valve assembly itself to a certain extent, and there will be no phenomenon such as cylinder extension and jamming. At the same time, it saves a lot of assembly time and has higher operation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the peripheral structure connection of the high-pressure water pump of the utility model. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0020] Example: Figure 1 As shown, it includes a clean water tank 1, a high-pressure water pump 3 and an integrated pneumatic water valve 7;

[0021] The output end of the clean water tank 1 is connected to the input end of the high-pressure water pump 3, and the output end of the high-pressure water pump 3 is connected to the automatic unloading valve 4 and the overflow valve 6;

[0022] The integrated pneumatic water valve 7 includes multiple groups of pneumatic high-pressure ball valves connected in parallel, one of which is a normally open pneumatic high-pressure ball valve used for water pump unloading. The output end of this group of pneumatic high-pressure ball valves is connected to the clean water tank 1 together with the output end of the overflow valve 6. The other groups are normally closed pneumatic high-pressure ball valves used to connect the washing and sweeping vehicle execution end. The washing and sweeping vehicle execution end includes a left spray rod, a suction nozzle spray rod, a garbage bin self-cleaning spray rod and a right spray rod. The left spray rod, the suction nozzle spray rod, the garbage bin self-cleaning spray rod and the right spray rod are all connected to a group of pneumatic high-pressure ball valves separately. The pneumatic high-pressure ball valve in the middle is connected to the left front corner spray, the right front corner spray, the rear spray rod and the reel water inlet.

[0023] Continue to refer to Figure 2 As shown, the output end of the high-pressure water pump 3 is connected to a three-dimensional tee 8, and the relief valve 6 and the automatic unloading valve 4 are respectively connected to the two output ends of the three-dimensional tee 8. Referring to the figure, the relief valve 6 is installed on the bracket and connected to the three-dimensional tee 8 through a pipeline.

[0024] A pressure gauge 5 is connected to the threaded port at the top of the integrated pneumatic water valve 7. The system pressure value can be adjusted to the right position by reading the pressure gauge value and adjusting the overflow valve 6. The system working pressure can also be monitored in real time by reading the pressure gauge 5 value in the later stage. The pneumatic high-pressure valve leading to the water pump unloading is a normally open type, and the other five are normally closed types. When any normally closed pneumatic high-pressure ball valve is opened, the pneumatic high-pressure valve leading to the water pump unloading will automatically close to ensure the normal operation of the system pressure. The water outlet of the water pump unloading pneumatic high-pressure valve of the integrated pneumatic water valve 7 is connected to the clean water tank 1, and the other five pneumatic high-pressure valve outlets are connected to the left / right spray rod of the suction nozzle, the spray rod in the suction nozzle, the self-cleaning spray rod in the garbage bin, and the front / rear spray and reel water inlet through water pipes. When the high-pressure water pump 3 is not working, the pneumatic high-pressure valve connected to the clean water tank 1 is in a normally open state to ensure that the system is in a unloading state. When the high-pressure water pump 3 works normally, the high-pressure water passes through any of the other five pneumatic high-pressure ball valves, and then is transported to the corresponding position through the water pipe for spraying. At this time, the pneumatic high-pressure valve connected to the water tank will automatically close to ensure the normal operation of the system pressure

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An integrated high-pressure waterway control system for a washing and sweeping vehicle, characterized in that: It comprises a clean water tank (1), a high-pressure water pump (3) and an integrated pneumatic water valve (7); The output end of the clean water tank (1) is connected to the input end of the high-pressure water pump (3), and the output end of the high-pressure water pump (3) is connected to an automatic unloading valve (4) and an overflow valve (6); The integrated pneumatic water valve (7) comprises a plurality of groups of pneumatic high-pressure ball valves connected in parallel, wherein one group of normally open pneumatic high-pressure ball valves is used for unloading a water pump, and the output end of the group of pneumatic high-pressure ball valves is connected to the clean water tank (1) together with the output end of the overflow valve (6), and the other groups of normally closed pneumatic high-pressure ball valves are used for connecting to the execution end of the washing and sweeping vehicle.

2. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 1 is characterized in that: The executive end of the washing and sweeping vehicle includes a left spray rod, a suction nozzle spray rod, a garbage bin self-cleaning spray rod and a right spray rod. The left spray rod, the suction nozzle spray rod, the garbage bin self-cleaning spray rod and the right spray rod are individually connected to a set of pneumatic high-pressure ball valves.

3. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 2 is characterized in that: The pneumatic high-pressure ball valve located in the middle connects the left front corner spray, the right front corner spray, the rear spray rod and the reel water inlet.

4. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 3 is characterized in that: A water filter (2) is connected between the high-pressure water pump (3) and the clean water tank (1).

5. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 4 is characterized in that: The output end of the high-pressure water pump (3) is connected to a three-dimensional tee (8).

6. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 5, characterized in that: The overflow valve (6) and the automatic unloading valve (4) are respectively connected to the two output ends of the three-dimensional three-way (8).

7. The integrated high-pressure waterway control system for a washing and sweeping vehicle according to claim 5, characterized in that: A pressure gauge (5) is connected to the threaded opening on the top of the integrated pneumatic water valve (7).

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