Channel overflow sand adding device

Abstract

The utility model discloses a channel overflow sand adding device, and relates to the technical field of hydraulic model tests and sediment emission reduction, the channel overflow sand adding device comprises a water stabilizing pool, the top of the water stabilizing pool is provided with a movement mechanism, and one end of the water stabilizing pool is internally provided with a water outlet pool. According to the channel overflow sand adding device, the periphery of sand is shielded through an annular plate on an electronic scale, the sand is prevented from falling off, the sand on the annular plate is weighed through the electronic scale, then an electric push rod is used for enabling the electronic scale to be in an inclined state from a horizontal state, and the annular plate on the electronic scale is in the inclined state at the same time; when the electronic scale is in an inclined state, sand on the electronic scale slides off, when the annular plate is in an inclined state, the right end of the annular plate is moved to the round rods on the two sides of the electronic scale, residual sand on the electronic scale is scraped, residual sand on the electronic scale is reduced, accurate work is conducted on the sand, and the follow-up accuracy is prevented from being affected.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic model test and sediment reduction, in particular to a channel overflow sand adding device. Background Art

[0002] In recent years, with the continuous increase in channel diversion ratio, problems such as channel sedimentation and irrigation system blockage have occurred during the diversion of high-sediment-content water flow. In order to reduce the sediment content in the water flow and prevent the occurrence of the above problems, some sediment reduction technologies have been proposed. It is necessary to conduct hydraulic model experiments to verify the sediment reduction effect. The sand adding link is indispensable for the hydraulic model experiment. Since the sand adding method directly affects the accuracy of the experimental results, the selection and use of the sand adding device is very important. The existing sand adding methods are mostly manual sand adding at the top of the water flow during the experiment, or using machinery for pumping sand adding, which increases the error of sediment concentration to a certain extent and causes the instability of the experimental results. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a channel overflow sand adding device, which solves the problem that the existing sand adding methods are mostly manual sand adding at the upper part of the water flow during the experiment, or mechanical sand adding by pumping, which increases the error of sediment concentration to a certain extent and causes the instability of the experimental results.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a channel overflow sand adding device, including a stabilizing pool, a motion mechanism is arranged on the top of the stabilizing pool, a water outlet pool is arranged inside one end of the stabilizing pool, an electric push rod is arranged above the water outlet pool, and a support plate is fixedly arranged on one side of the stabilizing pool.

[0005] The motion mechanism includes a bracket, and the bottom end of the bracket is fixedly connected to the stabilizing pool, a horizontal plate is provided at the top of the bracket, holes are provided on the surface of the horizontal plate, a baffle is provided on the top of the horizontal plate, an electronic scale is provided on the top of the horizontal plate, round rods are provided on both sides of the end of the electronic scale close to the hole, an annular plate is provided on the top of the electronic scale, the annular plate is in contact with the electronic scale, the cross-sectional shape of the annular plate is in the shape of a "mouth", a slider is provided at the bottom of the annular plate, and the slider is movably connected to the electronic scale.

[0006] Preferably, a circular ring is fixedly provided at the bottom of the horizontal plate, and a mixing bucket is provided below the circular ring. The mixing bucket and the circular ring are arranged vertically in a collinear manner, so that the sand can move downward in a straight line to prevent it from falling to other places.

[0007] Preferably, the stirring barrel is located inside the stabilizing pool, and the height of the stirring barrel is greater than the height of the water outlet pool.

[0008] Preferably, an overflow plate is provided between the mixing barrel and the water outlet pool, and a water flow channel is provided at the bottom of the water outlet pool to discharge the liquid.

[0009] Preferably, both sides of the baffle are provided with changing rods, and the top and bottom of the changing rods are provided with guiding rods.

[0010] Preferably, the guide rod at the top is fixedly connected to the baffle, and the guide rod at the bottom is fixedly connected to the stabilizing pool, and the adjustable rod is movably connected to the guide rod. Since both ends of the adjustable rod are movably connected to the guide rod, the position of the adjustable rod is changed, so that the horizontal plate and the circular ring below are rotated onto the support plate to prevent the liquid from being blocked during subsequent testing.

[0011] Preferably, the top end of the bracket is in contact with the transverse plate, and the height of the bracket is greater than the height of the ring.

[0012] Beneficial Effects

[0013] The utility model provides a channel overflow sand adding device. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The channel overflow sand adding device uses the annular plate on the electronic scale to shield the sand around to prevent the sand from falling, which is convenient for weighing the sand. The sand at the annular plate is weighed by the electronic scale, and then the electric push rod is used to change the electronic scale from a horizontal state to an inclined state, so that the annular plate on the electronic scale is in an inclined state at the same time. When the electronic scale is in an inclined state, the sand on the electronic scale slides off. When the annular plate is in an inclined state, the right end of the annular plate moves to the round rods on both sides of the electronic scale to scrape the remaining sand on the electronic scale, reduce the amount of sand remaining on the electronic scale, and perform precision work on the sand to prevent affecting the subsequent accuracy.

[0015] 2. The channel overflow sand adding device rotates through the changing rod. Since the two ends of the changing rod are movably connected with the guide rod, the position of the changing rod is changed, so that the cross plate and the ring below are rotated onto the support plate to prevent the liquid from being blocked during subsequent testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the motion mechanism of the utility model;

[0018] Figure 3 This is a bottom view of the motion mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of a round rod and an electronic scale of the utility model;

[0020] Figure 5 It is a schematic diagram of the water stabilization pool and the loss channel of the utility model.

[0021] In the figure: 1. stabilizing pool; 2. moving mechanism; 201. bracket; 202. horizontal plate; 203. hole; 204. baffle; 205. electronic scale; 206. round rod; 207. annular plate; 208. slider; 209. ring; 210. variable rod; 211. guide rod; 3. water outlet pool; 4. electric push rod; 5. support plate; 6. mixing barrel; 7. water flow channel; 8. overflow plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a channel overflow sand adding device, comprising a stabilizing pool 1, a moving mechanism 2 is arranged on the top of the stabilizing pool 1, a water outlet pool 3 is arranged inside one end of the stabilizing pool 1, an electric push rod 4 is arranged above the water outlet pool 3, and a support plate 5 is fixedly arranged on one side of the stabilizing pool 1.

[0024] The motion mechanism 2 includes a bracket 201, and the bottom end of the bracket 201 is fixedly connected to the stabilizing pool 1, a horizontal plate 202 is arranged at the top of the bracket 201, a hole 203 is arranged on the surface of the horizontal plate 202, a baffle 204 is arranged on the top of the horizontal plate 202, an electronic scale 205 is arranged on the top of the horizontal plate 202, round rods 206 are arranged on both sides of the end of the electronic scale 205 close to the hole 203, an annular plate 207 is arranged on the top of the electronic scale 205, the annular plate 207 is in contact with the electronic scale 205, the cross-sectional shape of the annular plate 207 is in the shape of a "mouth", a slider 208 is arranged at the bottom of the annular plate 207, and the slider 208 is movably connected to the electronic scale 205.

[0025] A circular ring 209 is fixedly provided at the bottom of the horizontal plate 202 , and a stirring barrel 6 is provided below the circular ring 209 . The stirring barrel 6 and the circular ring 209 are vertically collinearly arranged. The stirring barrel 6 is located inside the stabilizing pool 1 , and the height of the stirring barrel 6 is greater than the height of the water outlet pool 3 .

[0026] An overflow plate 8 is provided between the mixing barrel 6 and the water outlet pool 3 , a water flow channel 7 is provided at the bottom of the water outlet pool 3 , the top of the bracket 201 is in contact with the horizontal plate 202 , and the height of the bracket 201 is greater than the height of the ring 209 .

[0027] See also Figure 1-3 , changing rods 210 are provided on both sides of the baffle 204, and guide rods 211 are provided at the top and bottom of the changing rod 210. The top guide rod 211 is fixedly connected to the baffle 204, and the bottom guide rod 211 is fixedly connected to the stabilizing pool 1, and the changing rod 210 is movably connected to the guide rod 211.

[0028] When working, first put the sand on the electronic scale, and use the annular plate 207 on the electronic scale to block the sand around to prevent the sand from falling, so as to facilitate the weighing of the sand. The sand at the annular plate 207 is weighed by the electronic scale to accurately weigh the added sand. Then, the electric push rod 4 is used. Because the electric push rod 4 is located under one end of the electronic scale, the electronic scale is changed by the electric push rod 4, so that one end of the electronic scale is tilted, and the electronic scale is changed from a horizontal state to an inclined state. Since one end of the round rod 206 is fixed to the electronic scale, the electric push rod 4 is used to make the electronic scale tilted. The electronic scale is fixedly connected, and the other end of the round rod 206 is movably connected to the baffle 204, so that the electronic scale rotates around the round rod 206. When the electronic scale is in a tilted state, the annular plate 207 on the electronic scale is also in a tilted state. When the electronic scale is in a tilted state, the sand on the electronic scale slides off. When the annular plate 207 is in a tilted state, the slider 208 can move automatically. Since the slider 208 is movably connected to the electronic scale, the annular plate 207 and the slider 208 move at the same time, so that the right end of the annular plate 207 moves to both sides of the electronic scale. During the movement of the round rod 206 and the annular plate 207, the annular plate 207 contacts the electronic scale, and the sand remaining on the electronic scale is scraped to reduce the amount of sand remaining on the electronic scale. Subsequently, the sand is allowed to fall downward through the holes 203 on the surface of the horizontal plate 202 and fall to the ring 209. Since the ring 209 and the mixing barrel 6 are vertically collinearly arranged, the sand falls into the mixing barrel 6. As the water level in the stabilizing tank 1 rises, when the water level in the stabilizing tank 1 reaches a specified height, the water overflows into the mixing barrel 6. After the water enters the mixing barrel 6 , through the stirring barrel 6 to fully mix it with the water flow, closer to the target sediment concentration, when the water level of the sand-containing water flow rises to the specified height, it enters the outlet pool 3 through the overflow plate 8, and then the prepared sand-containing water flow flows out of the outlet pipe into the loss channel, meeting the uniform sand addition requirements of the experiment, and then the changing rod 210 is rotated. Since the two ends of the changing rod 210 are movably connected with the guide rod 211, the position of the changing rod 210 is changed, so that the cross plate 202 and the ring 209 below are rotated to the support plate 5 to prevent the liquid from being blocked during subsequent tests.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A channel overflow sand adding device, comprising a stabilization tank (1), characterized in that: A motion mechanism (2) is arranged on the top of the stabilizing pool (1), a water outlet pool (3) is arranged inside one end of the stabilizing pool (1), an electric push rod (4) is arranged above the water outlet pool (3), and a support plate (5) is fixedly arranged on one side of the stabilizing pool (1); The motion mechanism (2) comprises a bracket (201), and the bottom end of the bracket (201) is fixedly connected to the stabilizing pool (1); a transverse plate (202) is arranged at the top of the bracket (201); a hole (203) is arranged on the surface of the transverse plate (202); a baffle (204) is arranged at the top of the transverse plate (202); an electronic scale (205) is arranged at the top of the transverse plate (202); round rods (206) are arranged on both sides of one end of the electronic scale (205) close to the hole (203); an annular plate (207) is arranged at the top of the electronic scale (205); the annular plate (207) is in contact with the electronic scale (205); the cross-sectional shape of the annular plate (207) is in the shape of a "mouth"; a slider (208) is arranged at the bottom of the annular plate (207); and the slider (208) is movably connected to the electronic scale (205).

2. A channel overflow sand adding device according to claim 1, characterized in that: A circular ring (209) is fixedly arranged at the bottom of the horizontal plate (202), and a stirring barrel (6) is arranged below the circular ring (209). The stirring barrel (6) and the circular ring (209) are arranged vertically and in a collinear manner.

3. A channel overflow sand adding device according to claim 2, characterized in that: The stirring barrel (6) is located inside the water stabilization tank (1), and the height of the stirring barrel (6) is greater than the height of the water outlet tank (3).

4. A channel overflow sand adding device according to claim 2, characterized in that: An overflow plate (8) is arranged between the mixing barrel (6) and the water outlet pool (3), and a water flow channel (7) is arranged at the bottom of the water outlet pool (3).

5. A channel overflow sand adding device according to claim 1, characterized in that: Changing rods (210) are provided on both sides of the baffle (204), and guiding rods (211) are provided on the top and bottom of the changing rod (210).

6. A channel overflow sand adding device according to claim 5, characterized in that: The top guide rod (211) is fixedly connected to the baffle (204), and the bottom guide rod (211) is fixedly connected to the stabilizing pool (1), and the variable rod (210) is movably connected to the guide rod (211).

7. A channel overflow sand adding device according to claim 2, characterized in that: The top end of the support (201) is in contact with the horizontal plate (202), and the height of the support (201) is greater than the height of the circular ring (209).

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