Experimental device for screw water pump

Abstract

The utility model belongs to the field of spiral water pumping, and provides a spiral water pump experimental device. Comprising a water tank, a water inlet pipe fixedly communicated to one end of the water tank, a water outlet pipe fixedly communicated to one end of the water tank, a valve mounted on the water outlet pipe, a mounting frame fixedly connected to the other end of the water tank, a water storage tank arranged between the water tank and the mounting frame, and arc-shaped through grooves formed in the two side walls of the mounting frame. The angle of the spiral pipe on the cylinder is adjusted, then the nut is screwed on the external thread, the nut abuts against the outer side wall of the installation frame, the effect of fixing the position of the rectangular plate can be achieved at the moment, then the driving motor is started to enable the rotating shaft to drive the cylinder to rotate, and the lower end of the cylinder rotates on the cylindrical surface in the water tank. In this way, the effect of pumping water in the water tank into the water storage tank can be achieved, and the water pumping amount when the spiral pipe rotates at the current angle can be recorded by controlling the starting time of the driving motor.

Description

Technical Field

[0001] The utility model belongs to the field of screw pumping, and specifically relates to an experimental device for a screw water pump. Background Art

[0002] Archimedes screw pumping, that is, an Archimedes screw water pump or an Archimedes screw pump, is a great invention of the ancient Greek mathematician and scientist Archimedes. This invention is of great significance in history because it was the first to achieve the function of transferring water from a low place to a high place, greatly saving manpower and time, and playing a huge role especially in irrigation.

[0003] A Chinese utility model patent with the publication number CN106409082A discloses an experimental instrument for an Archimedes screw water pump, which is composed of a base, a secondary water tank, a water outlet, an upper water tank, a fixing bracket, an Archimedes screw device, an anti-overflow slideway, a lower water tank and a conveying water channel. The Archimedes screw device is provided with a handle, a central shaft, a partition board, a cylinder and an Archimedes screw hollow tube. The lower water tank is at one end of the base. This experimental instrument utilizes the Archimedes screw principle to vividly reproduce the Archimedes screw principle. Through the demonstration of this experimental instrument, the principle is easy to understand; in this experimental instrument, the liquid circulation is realized by using the Archimedes screw device and the water tank and pipeline.

[0004] Regarding the above related technologies, the inventor believes that there are the following defects: when the above-mentioned experimental instrument for an Archimedes screw water pump is in use, the Archimedes screw hollow tube on it is inconvenient to adjust the angle during use, so it is inconvenient to measure the water delivery volume of the screw hollow tube during water delivery work at different angles.

[0005] Therefore, those skilled in the art have proposed an experimental device for a screw water pump to solve the problems raised in the background art. Content of the Utility Model

[0006] In order to solve the above technical problems, the utility model provides an experimental device for a screw water pump to solve the problem that when the existing experimental instrument for an Archimedes screw water pump is in use, the Archimedes screw hollow tube on it is inconvenient to adjust the angle during use, so it is inconvenient to measure the water delivery volume of the screw hollow tube during water delivery work at different angles.

[0007] A spiral water pump experimental device, comprising a water tank, a water inlet pipe fixedly connected to one end of the water tank, a water outlet pipe fixedly connected to one end of the water tank, a valve installed on the water outlet pipe, a mounting frame fixedly connected to the other end of the water tank, a water storage tank arranged between the water tank and the mounting frame, arc-shaped through grooves opened on both side walls of the mounting frame, round rods slidably connected in the arc-shaped through grooves, and rectangular plates fixedly sleeved on the surfaces of the round rods. A water pumping assembly for spiral water pumping is arranged on the rectangular plates, and a limiting assembly for limiting the rectangular plates is arranged in the mounting frame;

[0008] The water pumping assembly includes a driving motor installed on one side of the rectangular plate, a rotating shaft installed on the output end of the driving motor, a cylinder slidably connected to the surface of the rotating shaft, a spiral pipe welded to the surface of the cylinder, and a plug rod slidably connected to the inner side wall of the cylinder.

[0009] Preferably, the plug rod is slidably connected to the rotating shaft. One end of the plug rod is fixedly connected with a pulling block. A spring is sleeved on the surface of the plug rod. One end of the spring is fixedly connected to the surface of the cylinder, and the other end of the spring is fixedly connected to one side of the pulling block.

[0010] Preferably, two symmetrically arranged connecting blocks are fixedly connected to one end inside the water tank. A rotating rod is rotatably connected between the two connecting blocks. A cylinder is fixedly sleeved on the surface of the rotating rod, and the cylinder is slidably connected to the inside of the cylinder.

[0011] Preferably, a communicating pipe is fixedly connected to the other end of the water tank. A valve is installed on the communicating pipe. Two symmetrically arranged external threads are opened on the surface of the round rod, and nuts are threadedly connected to the surface of the external threads.

[0012] Through the above technical solution, during use, the application scenario of this device is to know the difference in the water delivery volume of the spiral pipes at different angles when rotating and conveying water at the same time by adjusting the angle of the spiral pipe. The specific operation is to inject water into the water tank so that the water submerges the water inlet at the lower end of the spiral pipe. First, loosen the nut on the outer thread surface, and then slide the round rod in the arc-shaped through groove. After adjusting the position of the round rod, the direction of the rectangular plate and the cylinder at one end can be changed, that is, the angle of the spiral pipe on the cylinder can be adjusted. Then tighten the nut on the outer thread so that the nut abuts against the outer side wall of the installation frame. At this time, the position of the rectangular plate can be fixed. Then start the driving motor to drive the cylinder to rotate. The lower end of the cylinder rotates on the cylindrical surface in the water tank, so as to achieve the effect of pumping the water in the water tank into the water storage tank. By controlling the start time of the driving motor, the water pumping volume when the spiral pipe rotates at the current angle can be recorded. Repeating the above operation can obtain the water pumping volume when the spiral pipe rotates at other angles. Compared with the existing water pumping device that is not convenient to adjust the angle of the spiral pipe, this device can effectively improve the diversity of experimental data, and the water in the water storage tank can be put into the water tank for reuse by opening the valve on the connecting pipe.

[0013] Preferably, the limiting component includes a mounting plate fixedly connected to the inside of the mounting frame, a cylinder mounted on the upper end of the mounting plate, a pull rope tied to the output end of the cylinder, and the lower end of the pull rope is tied to one end of the rectangular plate.

[0014] Preferably, scale bars are provided on both sides inside the water storage tank.

[0015] Through the above technical solution, during use, when adjusting the position of the rectangular plate, the rectangular plate can be limited by the pull rope at the output end of the cylinder. By extending or retracting the output end of the cylinder, the height of the rectangular plate can be adjusted, so as to facilitate further limiting the position of the rectangular plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the utility model, by sliding the round rod in the arc-shaped through groove, after adjusting the position of the round rod, the direction of the rectangular plate and the cylinder at one end can be changed, that is, the angle of the spiral pipe on the cylinder can be adjusted. Then tighten the nut on the outer thread so that the nut abuts against the outer side wall of the installation frame. At this time, the position of the rectangular plate can be fixed. Then start the driving motor to drive the cylinder to rotate. The lower end of the cylinder rotates on the cylindrical surface in the water tank, so as to achieve the effect of pumping the water in the water tank into the water storage tank. By controlling the start time of the driving motor, the water pumping volume when the spiral pipe rotates at the current angle can be recorded.

[0018] 2. When adjusting the position of the rectangular plate in the present utility model, the pull rope at the output end of the air cylinder can be used to limit the position of the rectangular plate. By extending or retracting the output end of the air cylinder, the height of the rectangular plate can be adjusted, thereby facilitating further limiting the position of the rectangular plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is Figure 1 an enlarged schematic diagram of the structure at A in

[0021] Figure 3 is a schematic top view structure diagram of the present utility model;

[0022] Figure 4 is a schematic side view structure diagram of the present utility model.

[0023] In the figure:

[0024] 1. Water tank; 101. Connecting block; 102. Rotating rod; 103. Cylinder; 104. Connecting pipe; 2. Installation frame; 201. Arc-shaped through groove; 202. Round rod; 203. Rectangular plate; 204. Driving motor; 205. Rotating shaft; 206. Cylindrical tube; 207. Spiral tube; 208. Inserting rod; 209. Pulling block; 210. Spring; 211. External thread; 212. Nut; 213. Installation plate; 214. Air cylinder; 215. Pull rope; 216. Scale bar; 3. Water storage tank. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] Embodiment 1: As shown in FIGS. Figure 1 to Figure 4 : The present utility model provides a spiral water pump experimental device, including a water tank 1, a water inlet pipe fixedly connected to one end of the water tank 1, a water outlet pipe fixedly connected to one end of the water tank 1, a valve installed on the water outlet pipe, an installation frame 2 fixedly connected to the other end of the water tank 1, a water storage tank 3 arranged between the water tank 1 and the installation frame 2, arc-shaped through grooves 201 opened on both side walls of the installation frame 2, round rods 202 slidably connected in the arc-shaped through grooves 201, and a rectangular plate 203 fixedly sleeved on the surface of the round rods 202. A water pumping assembly for spiral water pumping is arranged on the rectangular plate 203, and a limiting assembly for limiting the rectangular plate 203 is arranged in the installation frame 2;

[0027] The pumping assembly includes a driving motor 204 installed on one side of a rectangular plate 203, a rotating shaft 205 installed at the output end of the driving motor 204, a cylinder 206 slidably connected to the surface of the rotating shaft 205, a spiral tube 207 welded to the surface of the cylinder 206, and a plug rod 208 slidably connected to the inner side wall of the cylinder 206.

[0028] The plug rod 208 is slidably connected to the rotating shaft 205. One end of the plug rod 208 is fixedly connected to a pulling block 209. A spring 210 is sleeved on the surface of the plug rod 208. One end of the spring 210 is fixedly connected to the surface of the cylinder 206, and the other end of the spring 210 is fixedly connected to one side of the pulling block 209.

[0029] At one end inside the water tank 1, two symmetrically arranged connecting blocks 101 are fixedly connected. A rotating rod 102 is rotatably connected between the two connecting blocks 101. A cylinder 103 is fixedly sleeved on the surface of the rotating rod 102. The cylinder 103 is slidably connected to the inside of the cylinder 206.

[0030] At the other end of the water tank 1, a communicating pipe 104 is fixedly connected. A valve is installed on the communicating pipe 104. Two symmetrically arranged external threads 211 are provided on the surface of the round rod 202. A nut 212 is threadedly connected to the surface of the external threads 211.

[0031] As can be seen from the above, during use, the application scenario of this device is to know the difference in the water delivery volume of the spiral tube 207 at different angles rotating and conveying water at the same time by adjusting the angle of the spiral tube 207. The specific operation is as follows: Inject water into the water tank 1 so that the water submerges the water inlet at the lower end of the spiral tube 207. First, loosen the nut 212 on the surface of the external threads 211, and then slide the round rod 202 in the arc-shaped through groove 201. After adjusting the position of the round rod 202, the direction of the rectangular plate 203 and the cylinder 206 at one end thereof can be changed, that is, the angle of the spiral tube 207 on the cylinder 206 can be adjusted. Then tighten the nut 212 on the external threads 211 so that the nut 212 abuts against the outer side wall of the mounting frame 2. At this time, the position of the rectangular plate 203 can be fixed. Then start the driving motor 204 to make the rotating shaft 205 drive the cylinder 206 to rotate. The lower end of the cylinder 206 rotates on the surface of the cylinder 103 in the water tank 1, so as to achieve the effect of pumping the water in the water tank 1 into the storage tank 3. By controlling the start time of the driving motor 204, the water pumping volume when the spiral tube 207 rotates at the current angle can be recorded. Repeating the above operation can obtain the water pumping volume when the spiral tube 207 rotates at other angles. Compared with the existing water pumping device that is not convenient to adjust the angle of the spiral tube 207, this device can effectively improve the diversity of experimental data, and the water in the storage tank 3 can be put into the water tank 1 for reuse by opening the valve on the communicating pipe 104.

[0032] Embodiment 2: On the basis of Embodiment 1, the limiting component includes a mounting plate 213 fixedly connected to the inside of the mounting frame 2, a cylinder 214 mounted on the upper end of the mounting plate 213, a pulling rope 215 tied to the output end of the cylinder 214, and the lower end of the pulling rope 215 is tied to one end of the rectangular plate 203.

[0033] Scale bars 216 are provided on both sides inside the water storage tank 3.

[0034] As can be seen from the above, during use, when adjusting the position of the rectangular plate 203, the rectangular plate 203 can be limited by the pulling rope 215 at the output end of the cylinder 214, and the height of the rectangular plate 203 can be adjusted by extending or retracting the output end of the cylinder 214, so as to facilitate further limiting the position of the rectangular plate 203.

[0035] The embodiments of the present invention are given for the purposes of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. An experimental device for a screw pump, characterized in that: It includes a water tank (1), a water inlet pipe fixedly connected to one end of the water tank (1), a water outlet pipe fixedly connected to one end of the water tank (1), a valve installed on the water outlet pipe, a mounting frame (2) fixedly connected to the other end of the water tank (1), a water storage tank (3) arranged between the water tank (1) and the mounting frame (2), arc-shaped through grooves (201) opened on both side walls of the mounting frame (2), round rods (202) slidably connected in the arc-shaped through grooves (201), and rectangular plates (203) fixedly sleeved on the surfaces of the round rods (202). A water pumping assembly for spiral water pumping is arranged on the rectangular plate (203), and a limiting assembly for limiting the rectangular plate (203) is arranged in the mounting frame (2). The water pumping assembly includes a driving motor (204) installed on one side of the rectangular plate (203), a rotating shaft (205) installed on the output end of the driving motor (204), a cylinder (206) slidably connected to the surface of the rotating shaft (205), a spiral pipe (207) welded to the surface of the cylinder (206), and a plug rod (208) slidably connected to the inner side wall of the cylinder (206).

2. The experimental device of a screw water pump according to claim 1, characterized in that: The plug rod (208) is slidably connected to the rotating shaft (205). One end of the plug rod (208) is fixedly connected with a pull block (209). A spring (210) is sleeved on the surface of the plug rod (208). One end of the spring (210) is fixedly connected to the surface of the cylinder (206), and the other end of the spring (210) is fixedly connected to one side of the pull block (209).

3. The experimental device of a screw water pump according to claim 2, characterized in that: Two symmetrically arranged connecting blocks (101) are fixedly connected to one end inside the water tank (1). A rotating rod (102) is rotatably connected between the two connecting blocks (101). A cylinder (103) is fixedly sleeved on the surface of the rotating rod (102), and the cylinder (103) is slidably connected to the inside of the cylinder (206).

4. The experimental device of a screw water pump as claimed in claim 3, wherein: A communicating pipe (104) is fixedly connected to the other end of the water tank (1). A valve is installed on the communicating pipe (104). Two symmetrically arranged external threads (211) are opened on the surface of the round rod (202), and nuts (212) are threadedly connected to the surface of the external threads (211).

5. The experimental device of a screw water pump according to claim 4, characterized in that: The limiting assembly includes a mounting plate (213) fixedly connected to the inside of the mounting frame (2), a cylinder (214) installed at the upper end of the mounting plate (213). A pull rope (215) is tied to the output end of the cylinder (214), and the lower end of the pull rope (215) is tied to one end of the rectangular plate (203).

6. The experimental device of a screw water pump according to claim 5, characterized in that: Scale bars (216) are opened on both sides inside the water storage tank (3).

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