Urban rail transit water supply and drainage control simulation teaching device

Abstract

The utility model discloses an urban rail transit water supply and drainage control simulation teaching device which comprises a water inlet tank, the lower surface of the water inlet tank is fixedly connected with a water inlet pipe, the lower surface of the water inlet pipe is fixedly connected with a water pump, and the lower surface of the water pump is fixedly connected with a connecting pipe. Pressure gauges are arranged on the surfaces of the circular pipes close to the two ends of the connecting pipe, an electric control valve and a stop valve are sequentially arranged on the surface of the circular pipe away from the water inlet tank, a limiting mechanism is arranged on the surface of the circular pipe of the connecting pipe, and a top plate is fixedly connected to the cylindrical surface of the water inlet tank. By means of the structure, the limiting mechanism is arranged, the pull rod of the limiting mechanism moves to drive the limiting rod to be matched with the inserting piece, limitation between the flange rings attached to each other is eliminated, disassembly and assembly of the parts become simple and rapid, and the water supply and drainage control effect of cooperation between the different parts is effectively and conveniently displayed.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching simulation devices, in particular to a simulation teaching device for urban rail transit water supply and drainage control. Background Technique

[0002] With the advancement of urban modernization, urban rail transit, as an efficient and convenient travel mode, has been widely used. As an important part of the rail transit, the water supply and drainage system not only needs to meet the production, living and fire fighting water demands of stations and vehicle depots, but also needs to ensure smooth drainage to guarantee the safe operation of rail transit.

[0003] When teaching demonstrations are needed, the connection between components such as electric control valves, pressure gauges, flow monitors and stop valves and the connecting pipes is generally fixed by the cooperation of flange rings and bolts. When different specifications of components need to be replaced, corresponding tools are required, which takes a lot of time, is inconvenient to display the possibilities of various system configurations, and cannot well stimulate students' innovative thinking. Content of the Utility Model

[0004] The utility model provides a simulation teaching device for urban rail transit water supply and drainage control, which can drive the cooperation of the limiting rod and the plug by the movement of the pull rod of the limiting mechanism, so as to cancel the limitation between the mutually attached flange rings, making the disassembly and assembly of components simple and fast, and effectively facilitating the display of the water supply and drainage control effects of the cooperation between different components.

[0005] To achieve the above object, a simulation teaching device for urban rail transit water supply and drainage control is provided, including a water inlet tank. The lower surface of the water inlet tank is fixedly connected with a water inlet pipe. The lower surface of the water inlet pipe is fixedly connected with a water pump. The lower surface of the water pump is fixedly connected with a connecting pipe. Pressure gauges are arranged on the circular pipe surfaces near both ends of the connecting pipe. An electric control valve and a stop valve are sequentially arranged on the circular pipe surface of the connecting pipe far from the water inlet tank. A limiting mechanism is arranged on the circular pipe surface of the connecting pipe. The cylindrical surface of the water inlet tank is fixedly connected with a top plate. The lower surface of the top plate is fixedly connected with a support rod. The lower surface of the support rod is fixedly connected with a bottom plate. A fixing member is fixedly connected to the upper surface of the bottom plate. The limiting mechanism includes a limiting frame, a fixing frame, a plug, a limiting block, a pull rod, a connecting cylinder, a spring, a flange ring, a limiting groove, a sliding groove, a limiting rod and a sliding plate. The inner surface of the flange ring is fixedly connected with the connecting pipe. The surface of the flange ring is slidably connected with the limiting frame. By setting the water inlet tank, it is convenient to play the role of the water source on the road surface. By setting the water inlet pipe, it is convenient to play the role of conveying the water in the water inlet tank to the water pump.

[0006] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, the surface of the limit block is fixedly connected with the flange ring. The two side surfaces of the flange ring close to the limit block are provided with sliding grooves, and the surface of the sliding groove of the flange ring is slidably connected with the plug-in. The plug-in is set to conveniently play a role in fixing the limiting frame.

[0007] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, the limiting groove is opened on the front surface of the limiting frame. The inner surface of the limiting groove is slidably connected with the plug-in, and the surface of the limiting frame far away from the flange ring is fixedly connected with the fixed frame. The limiting frame is set to conveniently play a role in restricting the combination of the two flange rings.

[0008] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, a sliding groove is opened on the surface of the plug-in close to the fixed frame. The surface of the sliding groove is slidably connected with the limiting rod, and the surface of the limiting rod close to the fixed frame is fixedly connected with the sliding plate. The sliding plate is set to conveniently play a role in realizing the limiting and disassembly functions through the spring and the limiting rod.

[0009] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, the surface of the sliding plate far away from the limiting rod is fixedly connected with the connecting cylinder. The inner surface of the fixed frame far away from the sliding plate is fixedly connected with the spring. The surface of the connecting cylinder far away from the limiting rod is fixedly connected with a pull rod. The pull rod is set to conveniently play a role in the user's manual operation.

[0010] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, a through groove is opened on the surface of the fixed frame far away from the limiting rod. The surface of the through groove of the fixed frame is slidably connected with the connecting cylinder. There are multiple support rods, and a fixed plate is fixedly connected between the surfaces of two of the support rods. The support rods are set to conveniently play a role in providing physical support and fixing the top plate and the bottom plate.

[0011] According to a kind of urban rail transit water supply and drainage control simulation teaching device described above, the surface of the fixed plate is fixedly connected with the water pump. The inner surface of the fixing piece is fixedly connected with the connecting pipe. The upper surface of the bottom plate is fixedly connected with a drainage tank. A floating frame is slidably connected to the inner surface of the drainage tank. A pressure sensor is fixedly connected to the inner surface of the drainage tank close to the fixed plate. The floating frame is set to conveniently play a role in monitoring the water level change in the drainage tank through the buoyancy change and helping students visually observe the water level change.

[0012] The beneficial effects of the present utility model: By setting the limiting mechanism, the cooperation between the limiting rod and the plug-in can be driven by the movement of the pull rod of the limiting mechanism, so as to cancel the restriction between the mutually attached flange rings, making the disassembly and assembly of the components simple and fast, and effectively facilitating the display of the water supply and drainage control effects of the cooperation between different components.

[0013] Additional aspects and advantages of the present utility model will be partly given in the following description, partly become apparent from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0015] Figure 1 It is the overall structure diagram of a simulation teaching device for the water supply and drainage control of urban rail transit according to the present utility model;

[0016] Figure 2 It is the schematic diagram of the surface structure of the connecting pipe of a simulation teaching device for the water supply and drainage control of urban rail transit according to the present utility model;

[0017] Figure 3 It is the schematic diagram of the matching structure of the drainage tank of a simulation teaching device for the water supply and drainage control of urban rail transit according to the present utility model;

[0018] Figure 4 It is the schematic diagram of the limiting mechanism of a simulation teaching device for the water supply and drainage control of urban rail transit according to the present utility model;

[0019] Figure 5 It is the schematic diagram of the disassembly of the components of the limiting mechanism of a simulation teaching device for the water supply and drainage control of urban rail transit according to the present utility model.

[0020] LEGEND DESCRIPTION:

[0021] 1. Water inlet tank; 2. Fixed plate; 3. Water pump; 4. Fixing piece; 5. Connecting pipe; 6. Water inlet pipe; 7. Drainage tank; 8. Pressure gauge; 9. Stop valve; 10. Electric control valve; 11. Bottom plate; 12. Limiting mechanism; 1201. Limiting frame; 1202. Fixed frame; 1203. Plug-in part; 1204. Limiting block; 1205. Pull rod; 1206. Connecting cylinder; 1207. Spring; 1208. Flange ring; 1209. Limiting groove; 1210. Sliding groove; 1211. Limiting rod; 1212. Slide plate; 13. Floating frame; 14. Pressure sensor; 15. Top plate; 16. Support rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0023] Refer to Figures 1 to 5, an urban rail transit water supply and drainage control simulation teaching device according to an embodiment of the present utility model includes a water inlet tank 1. A water inlet pipe 6 is fixedly connected to the lower surface of the water inlet tank 1. A water pump 3 is fixedly connected to the lower surface of the water inlet pipe 6. A connecting pipe 5 is fixedly connected to the lower surface of the water pump 3. Pressure gauges 8 are arranged on the surface of the circular pipe near both ends of the connecting pipe 5. An electric control valve 10 and a stop valve 9 are successively arranged on the surface of the circular pipe of the connecting pipe 5 far away from the water inlet tank 1. A limiting mechanism 12 is arranged on the surface of the circular pipe of the connecting pipe 5. A top plate 15 is fixedly connected to the cylindrical surface of the water inlet tank 1. A support rod 16 is fixedly connected to the lower surface of the top plate 15. A bottom plate 11 is fixedly connected to the lower surface of the support rod 16. A fixing member 4 is fixedly connected to the upper surface of the bottom plate 11. The connecting pipe 5 conveys the water pressurized by the water pump 3 to the pressure gauge 8, the stop valve 9 and the electric control valve 10. The pressure gauge 8 monitors the water pressure. The stop valve 9 and the electric control valve 10 jointly control the on-off and flow rate of the water flow. The limiting mechanism 12 is fixedly connected to the connecting pipe 5 through a flange ring 1208. The limiting frame 1201 and the plug-in member 1203 limit the connecting pipe 5 to prevent pipeline vibration or displacement. When disassembly is required, by pulling components such as the pull rod 1205 and the sliding plate 1212, the limitation of the components between the two limiting mechanisms is cancelled, facilitating the disassembly of the component, and components such as the electric control valve 10, the pressure gauge 8 and the stop valve 9 can be replaced and installed with components such as a pressure regulator, a filter, a check valve, a flow controller, a safety valve, a water quality monitor, a pipeline insulation layer, a pipeline cleaning device, a pipeline pressure release device and a pipeline solenoid valve, and the drainage effects of these components are demonstrated.

[0024] The surface of the sliding plate 1212 far away from the limiting rod 1211 is fixedly connected to a connecting cylinder 1206. A spring 1207 is fixedly connected to the inner surface of the fixing frame 1202 far away from the sliding plate 1212. A pull rod 1205 is fixedly connected to the surface of the connecting cylinder 1206 far away from the limiting rod 1211. A through groove is formed on the surface of the fixing frame 1202 far away from the limiting rod 1211. The surface of the through groove of the fixing frame 1202 is slidably connected to the connecting cylinder 1206. There are multiple support rods 16. A fixing plate 2 is fixedly connected to the surface between two of the support rods 16. The surface of the fixing plate 2 is fixedly connected to the water pump 3. The inner surface of the fixing member 4 is fixedly connected to the connecting pipe 5. A drainage tank 7 is fixedly connected to the upper surface of the bottom plate 11. A floating frame 13 is slidably connected to the inner surface of the drainage tank 7. A pressure sensor 14 is fixedly connected to the inner surface of the drainage tank 7 near the fixing plate 2. The floating frame 13 monitors the water level change in the drainage tank 7 through the buoyancy change, helping students visually observe the water level change. When the floating frame 13 presses the pressure sensor 14, the electric control valve 10 automatically closes and the water pump 3 stops operating to cancel the water supply of the connecting pipe 5.

[0025] The limiting groove 1209 is formed on the front surface of the limiting frame 1201. The inner surface of the limiting groove 1209 is slidably connected to the plug-in 1203. The surface of the limiting frame 1201 away from the flange ring 1208 is fixedly connected to the fixed frame 1202. A sliding groove 1210 is formed on the surface of the plug-in 1203 close to the fixed frame 1202. The surface of the sliding groove 1210 is slidably connected to the limiting rod 1211. The surface of the limiting rod 1211 close to the fixed frame 1202 is fixedly connected to the sliding plate 1212.

[0026] The limiting mechanism 12 includes a limiting frame 1201, a fixed frame 1202, a plug-in 1203, a limiting block 1204, a pull rod 1205, a connecting cylinder 1206, a spring 1207, a flange ring 1208, a limiting groove 1209, a sliding groove 1210, a limiting rod 1211 and a sliding plate 1212. The inner surface of the flange ring 1208 is fixedly connected to the connecting pipe 5. The surface of the flange ring 1208 is slidably connected to the limiting frame 1201. The surface of the limiting block 1204 is fixedly connected to the flange ring 1208. Sliding grooves are formed on both surfaces of the flange ring 1208 close to the limiting block 1204. The surface of the sliding groove of the flange ring 1208 is slidably connected to the plug-in 1203. The surface of the flange ring 1208 close to the limiting block 1204 is designed with a slightly tapered inclined surface. The inner surface of the limiting frame 1201 close to the limiting block 1204 is designed with an inclined surface. And a rubber sealing ring is arranged between two adjacent flange rings 1208. When the limiting frame 1201 moves towards the direction close to the limiting block 1204, after the inclined surface of the limiting frame 1201 contacts the tapered inclined surface of the flange ring 1208 for the first time, when the limiting frame 1201 is moved along the surface of the flange ring 1208, the two adjacent flange rings 1208 are mutually close to squeeze the two rubber sealing rings inside the flange ring 1208 to fit, so as to achieve the sealing effect between components such as the electric control valve 10, the pressure gauge 8 and the stop valve 9 and the connecting pipe 5.

[0027] Working principle: When some components such as the electric control valve 10, the pressure gauge 8 and the stop valve 9 need to be disassembled during teaching demonstration, adjust the limiting mechanisms 12 on both sides of the corresponding components, pull the pull rod 1205 to move to drive the connecting cylinder 1206 to move the sliding plate 1212, so that the sliding plate 1212 squeezes the spring 1207 to drive the limiting rod 1211 to move, remove the limiting rod 1211 from the sliding groove 1210 of the plug-in 1203, cancel the limitation on the plug-in 1203, move the plug-in 1203 to remove it from the limiting groove 1209 of the limiting frame 1201, cancel the limitation on the limiting frame 1201, translate the limiting frame 1201 in the direction away from the flange ring 1208, so that the limiting frame 1201 is removed from the surface of the inner flange ring 1208, cancel the limitation on the flange ring 1208, and disassemble the components between the corresponding limiting mechanisms 12, replace them with different specifications or other components, effectively facilitating the display of the water supply and drainage control effects of the cooperation between different components.

[0028] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A simulation teaching device for water supply and drainage control of urban rail transit, characterized in that: The invention comprises a water inlet box (1), the lower surface of the water inlet box (1) is fixedly connected to a water inlet pipe (6), the lower surface of the water inlet pipe (6) is fixedly connected to a water pump (3), the lower surface of the water pump (3) is fixedly connected to a connecting pipe (5), the circular tube surface of the connecting pipe (5) close to both ends is provided with a pressure gauge (8), the circular tube surface of the connecting pipe (5) away from the water inlet box (1) is provided with an electric control valve (10) and a stop valve (9) in sequence, the circular tube surface of the connecting pipe (5) is provided with a limiting mechanism (12), and the The cylindrical surface of the water inlet box (1) is fixedly connected to a top plate (15), the lower surface of the top plate (15) is fixedly connected to a support rod (16), the lower surface of the support rod (16) is fixedly connected to a bottom plate (11), and the upper surface of the bottom plate (11) is fixedly connected to a fixing member (4); the limiting mechanism (12) comprises a limiting frame (1201), a fixing frame (1202), a plug-in unit (1203), a limit block (1204), a pull rod (1205), a connecting cylinder (1206), and a spring (1207). 07), a flange ring (1208), a limiting groove (1209), a sliding groove (1210), a limiting rod (1211) and a sliding plate (1212), wherein the inner surface of the flange ring (1208) is fixedly connected to the connecting pipe (5), and the surface of the flange ring (1208) is slidably connected to the limiting frame (1201); a through groove is formed on the surface of the fixed frame (1202) away from the limiting rod (1211), and the through groove surface of the fixed frame (1202) is slidably connected to the connecting cylinder (1206). There are a plurality of support rods (16), wherein a fixed plate (2) is fixedly connected to the surface between two of the support rods (16); the surface of the fixed plate (2) is fixedly connected to the water pump (3); the inner surface of the fixing member (4) is fixedly connected to the connecting pipe (5); the upper surface of the bottom plate (11) is fixedly connected to a drainage box (7); the inner surface of the drainage box (7) is slidably connected to a floating frame (13); and the inner surface of the drainage box (7) close to the fixed plate (2) is fixedly connected to a pressure sensor (14).

2. The urban rail transit water supply and drainage control simulation teaching device according to claim 1 is characterized in that: The surface of the limit block (1204) is fixedly connected to the flange ring (1208), and sliding grooves are provided on the two side surfaces of the flange ring (1208) close to the limit block (1204), and the sliding groove surface of the flange ring (1208) is slidably connected to the plug-in (1203).

3. The urban rail transit water supply and drainage control simulation teaching device according to claim 1 is characterized in that: The limiting groove (1209) is formed on the front surface of the limiting frame (1201), the inner surface of the limiting groove (1209) is slidably connected to the plug-in (1203), and the surface of the limiting frame (1201) away from the flange ring (1208) is fixedly connected to the fixing frame (1202).

4. The urban rail transit water supply and drainage control simulation teaching device according to claim 1 is characterized in that: A sliding groove (1210) is provided on the surface of the plug-in unit (1203) close to the fixed frame (1202); the surface of the sliding groove (1210) is slidably connected to a limiting rod (1211); and the surface of the limiting rod (1211) close to the fixed frame (1202) is fixedly connected to a sliding plate (1212).

5. The urban rail transit water supply and drainage control simulation teaching device according to claim 1 is characterized in that: The surface of the slide plate (1212) away from the limiting rod (1211) is fixedly connected to the connecting cylinder (1206), the inner surface of the fixing frame (1202) away from the slide plate (1212) is fixedly connected to the spring (1207), and the surface of the connecting cylinder (1206) away from the limiting rod (1211) is fixedly connected to the pull rod (1205).

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