Railway vacuum sewage unloading dispersed cam pump type vacuum unit

Abstract

The utility model relates to a railway vacuum sewage unloading dispersion cam pump formula vacuum unit belongs to railway vacuum sewage unloading technical field, including cam pump, motor, control system, collection sewage tank, base, support, frame, cam pump is connected with control system, cam pump is connected with collection sewage tank, cam pump is connected with motor, and control system is connected with base through support, and collection sewage tank is connected with base through support, and cam pump is installed on base, and motor is also installed on base, and cam pump, motor, control system, collection sewage tank, base and support are all installed in frame. The utility model discloses a railway vacuum sewage unloading dispersion cam pump formula vacuum unit, adopts negative pressure vacuum technology, carries 1-3 sewage unloading units and unloads sewage simultaneously, realizes the ability of multiple sewage tank simultaneous operation, effectively promotes system sewage unloading capacity, improves train preparation efficiency, provides convenience for holiday and peak period train travel and diagram adjustment.

Description

Technical Field

[0001] The utility model relates to a decentralized cam pump type vacuum unit for railway vacuum sewage discharge, in particular to a decentralized cam pump type vacuum unit composed of a cam pump, a control system, a sewage collection tank, a base, a support and a shell, belonging to the technical field of railway vacuum sewage discharge. Background Technique

[0002] The vacuum sewage discharge system of railway stations and depots realizes the centralized suction and discharge of the sewage of passenger trains, providing strong support for railway transportation and environmental protection. In recent years, with the continuous growth of the high-speed railway mileage, the railway network becoming more and more perfect, the train operation speed gradually increasing, and the train operation plan showing diversification, the railway transportation enterprises have higher and higher requirements for the sewage discharge operation ability of trains.

[0003] Most of the existing vacuum sewage discharge systems of railway stations and depots in China adopt fixed vacuum units, with low sewage discharge efficiency, which is difficult to meet the current sewage discharge requirements of railway trains. At the same time, the fixed vacuum units need to build vacuum stations, and the infrastructure investment is relatively large.

[0004] Therefore, in view of the requirements of railway transportation enterprises for train maintenance, a decentralized cam pump type vacuum unit is proposed, which can improve the sewage discharge operation ability of trains, reduce infrastructure investment, have a small floor area, and realize the simultaneous sewage discharge operation of multiple inlets. It has three sewage inlets and one sewage outlet, and can carry three sewage discharge units to carry out sewage discharge operation simultaneously, so as to improve the sewage discharge efficiency of the vacuum sewage discharge system of railway stations and depots. Content of the Utility Model

[0005] The purpose of the utility model is to develop a new type of decentralized cam pump type vacuum unit for the vacuum sewage discharge operation of railway trains, adopting negative pressure vacuum technology, carrying 1 - 3 sewage discharge units to carry out sewage discharge operation simultaneously, realizing the ability of simultaneous operation of multiple sewage tanks, effectively improving the sewage discharge capacity of the system, improving the train maintenance efficiency, and providing convenience for train trips and train diagram adjustment during holidays and peak periods.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A decentralized cam pump type vacuum unit for railway vacuum sewage discharge, characterized in that it includes a cam pump, a motor, a control system, a sewage collection tank, a base, a support and a frame; the cam pump is connected to the control system, the cam pump is connected to the sewage collection tank, the cam pump is connected to the motor, the control system is connected to the base through the support, the sewage collection tank is connected to the base through the support, the cam pump is installed on the base, the motor is also installed on the base, and the cam pump, the motor, the control system, the sewage collection tank, the base and the support are all installed in the frame.

[0008] Preferably, the cam pump includes a flexible connection, a cam pump inlet, a cam pump outlet tank, a check valve, and a drain outlet; the cam pump outlet is connected to the cam pump outlet tank, the cam pump outlet tank is connected to the drain outlet via the check valve, and the cam pump inlet is connected to the outlet of the sludge collection tank via a flexible connection.

[0009] Preferably, the inlet of the cam pump is made of stainless steel; the outlet water tank of the cam pump is made of stainless steel and has sealing and pressure-holding performance; the check valve is a ball check valve made of stainless steel or carbon steel to prevent sewage backflow.

[0010] Preferably, the control system includes a circuit breaker, a PLC (programmable logic controller), a touch screen, an intermediate relay, a contactor, a rotary switch, a pressure sensor, and a data acquisition device. The PLC is connected to the circuit breaker, the touch screen, the intermediate relay, the contactor, the rotary switch, the pressure sensor, and the data acquisition device.

[0011] Preferably, the sludge collection tank includes a ball valve, a pagoda connector, an observation / maintenance port, an outlet, a vacuum gauge, a safety valve, and an inlet; the outlet is connected to a flexible connector; the inlet is connected to the pagoda connector via the ball valve; a vacuum gauge and a safety valve are provided at the top of the sludge collection tank; an observation / maintenance port is provided at the end of the sludge collection tank, and the observation / maintenance port is equipped with an acrylic transparent plate.

[0012] Preferably, the sludge collection tank has three sludge inlets.

[0013] Preferably, the inlet of the sludge collection tank is connected to the sludge unloading unit of the vacuum sludge unloading system, and the outlet of the sludge collection tank is connected to the inlet of the cam pump via a flexible connection.

[0014] Preferably, the tank body of the sludge collection tank is made of stainless steel and has a volume of not less than 20L.

[0015] Preferably, the base is made of stainless steel and is securely fixed to the motor with bolts. Shock-absorbing measures are provided at the connection to prevent the vibration of the cam pump and motor from causing equipment connection misalignment or damage.

[0016] Preferably, the support is made of stainless steel.

[0017] Preferably, the frame is made of stainless steel and has four side plates.

[0018] Beneficial effects:

[0019] This utility model relates to a railway vacuum unloading dispersed cam pump type vacuum unit, which is installed between railway tracks. One dispersed cam pump type vacuum unit can carry three unloading units to unload simultaneously. Multiple dispersed cam pump type vacuum units can be set up between tracks as needed, enabling simultaneous unloading of 14 unloading ports of a train. This eliminates the need for vacuum machine room construction, reduces equipment investment, greatly improves train unloading efficiency, and provides convenience for railway train travel and timetable adjustments.

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this does not imply any limitation on the scope of protection of the present invention. Attached Figure Description

[0021] Figure 1-1 This is a front structural schematic diagram of the railway vacuum sewage discharge dispersion cam pump type vacuum unit in Embodiment 1 of this utility model;

[0022] Figure 1-2 This is a side view of the railway vacuum sewage discharge dispersion cam pump type vacuum unit in Embodiment 1 of this utility model;

[0023] Figure 2-1 This is a front cross-sectional view of the sludge collection tank in the railway vacuum sludge dispersing cam pump vacuum unit of Embodiment 1 of this utility model;

[0024] Figure 2-2 This is a side cross-sectional view of the sludge collection tank in the railway vacuum sludge dispersion cam pump vacuum unit of Embodiment 1 of this utility model.

[0025] Explanation of key figure labels:

[0026] 1. Cam pump system 2. Control system

[0027] 3 sewage collection tanks and 4 bases

[0028] 5 supports and 6 frames

[0029] 1-1 Motor 1-2 Flexible Connection

[0030] 1-3 Cam pump inlet, 1-4 Cam pump outlet, water tank

[0031] 1-5 Check valve 1-6 Drain port

[0032] 3-1 Ball valve with standard diameter; 3-2 Pagoda connector

[0033] 3-3 Sewage collection tank observation / inspection port; 3-4 Sewage collection tank outlet

[0034] 3-5 Vacuum gauge 3-6 Safety valve

[0035] 3-7 sewage inlet Detailed Implementation

[0036] Unless otherwise specified, in the following embodiments, all components are conventional components available on the market in this field, the connections between components are conventional connections, the software involved are conventional software in this field, and the methods are conventional methods in this field.

[0037] Example 1

[0038] like Figure 1-1 The image shown is a front structural schematic diagram of the railway vacuum sewage discharge dispersion cam pump type vacuum unit in Embodiment 1 of this utility model; as shown... Figure 1-2 The image shown is a side view of the railway vacuum sewage discharge dispersion cam pump type vacuum unit in Embodiment 1 of this utility model; as shown... Figure 2-1 The image shown is a front cross-sectional view of the sludge collection tank in the railway vacuum sludge dispersing cam pump type vacuum unit of Embodiment 1 of this utility model; as shown... Figure 2-2 The diagram shown is a side sectional view of the sludge collection tank in the railway vacuum unloading dispersion cam pump type vacuum unit of embodiment 1 of this utility model; wherein, 1 is the cam pump system, 2 is the control system, 3 is the sludge collection tank, 4 is the base, 5 is the support, 6 is the frame, 1-1 is the motor, 1-2 is the flexible connection, 1-3 is the cam pump inlet, 1-4 is the cam pump outlet water tank, 1-5 is the check valve, 1-6 is the sludge outlet, 3-1 is the through ball valve, 3-2 is the pagoda connector, 3-3 is the sludge collection tank observation / maintenance port, 3-4 is the sludge collection tank outlet, 3-5 is the vacuum gauge, 3-6 is the safety valve, and 3-7 is the sludge inlet;

[0039] In Embodiment 1 of this utility model, the railway vacuum sewage discharge dispersion cam pump type vacuum unit includes a cam pump system 1, a control system 2, a sewage collection tank 3, a base 4, a support 5, and a frame 6. The cam pump system 1 is connected to the control system 2 and the sewage collection tank 3. The control system 2 is connected to the base 4 through the support 5, and the sewage collection tank 3 is connected to the base 4 through the support 5. The cam pump system 1 is installed on the base 4, and the cam pump system 1, control system 2, sewage collection tank 3, base 4, support 5, and frame 6 are all installed within the frame 6.

[0040] The cam pump system 1 includes a cam pump, a motor 1-1, a flexible connection 1-2, a cam pump inlet 1-3, a cam pump outlet tank 1-4, a check valve 1-5, and a sewage outlet 1-6. The cam pump in the cam pump system 1 is connected to the motor 1-1 and mounted on a base 4. The bottom of the motor 1-1 is connected to the base 4. The cam pump outlet is connected to the cam pump outlet tank 1-4, which is connected to the sewage outlet 1-6 via the check valve 1-5. The other side of the motor 1-1 is connected to the cam pump inlet 1-3, which is connected to the outlet of the sludge collection tank 3 via the flexible connection 1-2. The cam pump system 1 provides a vacuum power source, enabling direct suction and discharge of sewage.

[0041] The cam pump inlet 1-3 is made of stainless steel; the cam pump outlet water tank 1-4 is made of stainless steel and has sealing and pressure-holding performance; the check valve 1-5 is a ball check valve made of stainless steel or carbon steel to prevent sewage backflow; the check valve 1-5 is connected to the drain port 1-6, and the drain port 1-6 is connected to the vacuum pipeline through the pagoda connector 3-2.

[0042] The control system 2 controls the start and stop of the cam pump in the cam pump system 1, and can detect the vacuum degree and outlet pressure in the cam pump and the sludge collection tank 3 in the cam pump system 1. It has functions such as fault display, alarm, information monitoring and data upload.

[0043] According to the hardware configuration of this utility model, the control system 2 can adopt a corresponding control system, which includes an electrical control box, including a circuit breaker, a PLC (programmable logic controller), a touch screen, an intermediate relay, a contactor, a rotary switch, a pressure sensor, and a data acquisition device. The PLC is connected to the circuit breaker, the touch screen, the intermediate relay, the contactor, the rotary switch, the pressure sensor, and the data acquisition device. The control system 2 has the ability to detect the system vacuum level, collect and transmit information, and can automatically control the start and stop of the cam pump according to the system vacuum level. Among them, the PLC is used for data processing, analysis, and result output; the touch screen is used for displaying the status parameters of the cam pump system 1; the intermediate relay is used for intermediate signal control; the contactor is used for controlling the operation and stop of the cam pump motor 1-1; and the rotary switch is used for selecting the system operation mode and inputting start and stop commands.

[0044] The inlet of the sludge collection tank 3 is connected to the sludge unloading unit of the vacuum sludge unloading system, and the outlet of the sludge collection tank 3 is connected to the inlet 1-3 of the cam pump via flexible connection 1-2;

[0045] The body of the sludge collection tank 3 is made of stainless steel and has a volume of not less than 20L;

[0046] The sludge collection tank 3 includes a ball valve 3-1, a pagoda connector 3-2, an observation / maintenance port 3-3, an outlet 3-4, a vacuum gauge 3-5, a safety valve 3-6, and a sludge inlet 3-7. The outlet 3-4 is made of stainless steel and connects to the flexible connector 1-2. The sludge collection tank 3 has three sludge inlets 3-7, which are connected to the pagoda connector 3-2 via the ball valve 3-1. The ball valve 3-1 can be opened and closed to simultaneously carry 1-3 sludge unloading units for unloading operations. The upper part of the sludge collection tank 3 is equipped with a vacuum gauge 3-5 and a safety valve 3-6. The vacuum gauge has a digital display and remote transmission function, allowing real-time monitoring of the vacuum level inside the sludge collection tank 3. Relevant data can be uploaded to the monitoring platform through the control system 2. When the vacuum degree of the sludge collection tank 3 exceeds the set value, the safety valve 3-6 automatically opens and allows air to enter, preventing the sludge collection tank 3 from being damaged by excessively high system vacuum. The end of the sludge collection tank 3 is equipped with a sludge collection tank observation / maintenance port 3-3, which is equipped with an acrylic transparent plate. Through the sludge collection tank observation / maintenance port 3-3, the flow of sewage in the sludge collection tank 3 or whether there is any blockage can be directly observed. At the same time, the sludge collection tank observation / maintenance port 3-3 has a maintenance function. When there are large particulate impurities in the sludge collection tank 3, the sludge collection tank observation / maintenance port 3-3 can be opened to clean the blocky dirt in the sludge collection tank 3 in time.

[0047] The base 4 is made of stainless steel and is securely fixed to the motor with bolts. Shock-absorbing measures are provided at the connection to prevent the vibration of the cam pump and motor from causing equipment misalignment or damage. The control system 2 and the sludge collection tank 3 are securely fixed with the support 5, which is also made of stainless steel. The dispersed cam pump vacuum unit is equipped with a frame 6, which is made of stainless steel and has four side plates that can be easily opened for easy maintenance.

[0048] This utility model relates to a railway vacuum unloading dispersion cam pump type vacuum unit, which can carry 1-3 unloading units for simultaneous unloading operations. Multiple vacuum units can enable more unloading units to operate simultaneously.

[0049] This utility model relates to a railway vacuum sewage dispersion cam pump type vacuum unit, which has the functions of system vacuum degree and outlet pressure detection, as well as fault display and alarm functions, and information monitoring and data uploading functions.

[0050] This utility model of a railway vacuum unloading dispersed cam pump type vacuum unit breaks through the capability of fixed vacuum units to achieve simultaneous unloading operations at four ports. Multiple sets of dispersed cam pump type vacuum units can be installed in railway stations to realize simultaneous unloading operations at multiple sewage tanks and multiple trains entering the station. It enables direct suction and discharge of train sewage without the need to set up a vacuum station, saving basic construction investment.

[0051] This utility model addresses the need for vacuum sewage unloading operations on railway trains by developing a novel decentralized cam pump-type vacuum unit. It employs negative pressure vacuum technology and can carry 1-3 sewage unloading units to perform sewage unloading operations simultaneously, enabling multiple sewage tanks to operate at the same time. This effectively enhances the system's sewage unloading capacity, improves train preparation efficiency, and provides convenience for train travel and timetable adjustments during holidays and peak periods.

[0052] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A railway vacuum sewage dispersion cam pump type vacuum unit, characterized in that: It includes a cam pump, motor, control system, sludge collection tank, base, support, and frame. The cam pump is connected to the control system, the cam pump is connected to the sludge collection tank, and the cam pump is connected to the motor. The control system is connected to the base via the support, and the sludge collection tank is connected to the base via the support. The cam pump is mounted on the base, and the motor is also mounted on the base. The cam pump, motor, control system, sludge collection tank, base, and support are all installed within the frame.

2. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 1, characterized in that: The cam pump includes a flexible connection, a cam pump inlet, a cam pump outlet water tank, a check valve, and a drain outlet; the cam pump outlet is connected to the cam pump outlet water tank, the cam pump outlet water tank is connected to the drain outlet through the check valve, and the cam pump inlet is connected to the outlet of the sludge collection tank through a flexible connection.

3. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 2, characterized in that: The control system includes a circuit breaker, a PLC, a touch screen, an intermediate relay, a contactor, a rotary switch, a pressure sensor, and a data acquisition device. The PLC is connected to the circuit breaker, the touch screen, the intermediate relay, the contactor, the rotary switch, the pressure sensor, and the data acquisition device.

4. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 3, characterized in that: The check valve is a ball check valve.

5. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 4, characterized in that: The sludge collection tank includes a ball valve, a pagoda connector, an observation / maintenance port, an outlet, a vacuum gauge, a safety valve, and an inlet. The outlet is connected to a flexible connector. The inlet is connected to the pagoda connector via the ball valve. A vacuum gauge and a safety valve are installed at the top of the tank. The observation / maintenance port is located at the end of the tank and is equipped with an acrylic transparent plate.

6. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 5, characterized in that: The sludge collection tank has three sludge inlets.

7. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 6, characterized in that: The inlet of the sludge collection tank is connected to the sludge unloading unit of the vacuum sludge unloading system, and the outlet of the sludge collection tank is connected to the inlet of the cam pump via a flexible connection.

8. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 7, characterized in that: The volume of the sludge collection tank is not less than 20L.

9. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 8, characterized in that: The base is fixedly connected to the motor by bolts.

10. The railway vacuum sewage discharge dispersion cam pump type vacuum unit according to claim 9, characterized in that: The frame has four side panels.

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