CN115728470A - Simulation experiment device for revealing natural repair mechanism of low-water-level bottom mud of river channel - Google Patents

Abstract

The invention belongs to the technical field of river channel water ecological management, and particularly relates to a simulation experiment device for disclosing a natural restoration mechanism of low-water-level bottom mud of a river channel. The simulation experiment device for disclosing the natural repair mechanism of the low-water-level bottom mud of the river channel comprises a distribution pool assembly, a test section assembly, a water collecting tank assembly, a steam recovery mechanism and a pressing assembly, wherein the test section assembly is installed on the right side of the distribution pool assembly, the water collecting tank assembly is installed on the right side of the test section assembly, the steam recovery mechanism is installed above the test section assembly, and the pressing assembly is installed above the distribution pool assembly. The distribution tank assembly can supplement trial distribution water of the test section assembly, the water collecting tank assembly is used for collecting abandoned water, the steam recovery mechanism can collect the trial distribution water of the test section assembly and is used for supplementing the trial distribution water in the distribution tank assembly, the pressing assembly can cooperate with the steam recovery mechanism to supplement the trial distribution water in the distribution tank assembly, and then the trial distribution water in the disturbance distribution tank assembly is disturbed, so that the distribution tank assembly is accelerated to adsorb impurities on the upper surface of the trial distribution water.

Description

Simulation experiment device for revealing natural repair mechanism of low-water-level bottom mud in river channel

Technical Field

The invention relates to the technical field of river channel water ecological management, in particular to a simulation experiment device for revealing a natural repair mechanism of river channel low-water-level bottom mud.

Background

With the rapid development of industrialization and urbanization, a large amount of untreated industrial wastewater and domestic sewage of residents directly discharge river rivers to cause the water body of the river rivers to blacken and stink, most of the river rivers become 'stinky ditches', meanwhile, the river rivers enter bottom mud in modes of adsorption, diffusion, deposition and the like, the bottom mud accumulates a large amount of pollutants, and the bottom mud is blackened and stink through anaerobic fermentation. At the present stage, the trial distribution water of the simulation experiment device of the riverway low-water-level sediment natural restoration mechanism cannot be recycled, the impurities are more, and the environmental change of the experiment device is easily disturbed during water supplement.

Disclosure of Invention

Based on this, it is necessary to provide a simulation experiment apparatus for revealing the natural repair mechanism of the river low-water bottom mud, so as to solve at least one of the above technical problems.

The utility model provides a disclose simulation experiment device of river course low water level bed mud nature repair mechanism, includes distribution tank subassembly, test section subassembly, water catch bowl subassembly, steam recovery mechanism and pushes down the subassembly, and the test section unit mount is in the right side of distribution tank subassembly, and the water catch bowl unit mount is in the right side of test section subassembly, and steam recovery mechanism installs in the top of test section subassembly, pushes down the unit mount in the top of distribution tank subassembly.

The distribution tank assembly can supplement trial distribution water of the test section assembly, the test is carried out in the test section assembly, the water collecting tank assembly is used for collecting abandoned water, the steam recovery mechanism can collect trial distribution water of the test section assembly and is used for supplementing the trial distribution water in the distribution tank assembly, the pressing assembly can cooperate with the steam recovery mechanism to supplement the trial distribution water in the distribution tank assembly, and then the trial distribution water in the disturbance distribution tank assembly is further disturbed, so that the distribution tank assembly can adsorb impurities on the upper surface of the trial distribution water.

In one embodiment, the distribution pool assembly comprises a distribution pool body, a water inlet pipe, a hinged base, a connecting rope, a floating ball sensor and a solenoid valve, a distribution pool groove is formed in the top of the distribution pool body in a downward concave mode, the water inlet pipe is inserted into a side wall of one side, deviating from the test section assembly, of the distribution pool body and communicated with the distribution pool groove, the hinged base is located below the water inlet pipe and mounted on the side wall of the distribution pool body, the upper end of the connecting rope is connected with the hinged base, the floating ball floats on the water surface of the distribution pool body, the lower end of the connecting rope is connected with the floating ball, the floating ball sensor is mounted on the side wall, deviating from the test section assembly, of the distribution pool body and located below the water inlet pipe, the solenoid valve is mounted at the top of the water inlet pipe and electrically connected with the floating ball sensor, the floating ball comprises an impurity removal ball shell and a floating ball body, the impurity removal ball shell floats on the water surface of the distribution pool body, the floating ball shell is fixedly mounted inside the impurity removal shell, a plurality of the impurity removal ball shell, a plurality of impurity removal shell is formed with a plurality of impurity removal shell, a plurality of impurity removal shell fixing rods are connected with an impurity removal shell, and a plurality of impurity removal shell, a plurality of impurity removal plug is further arranged in a sealed discharge shell, and a discharge outlet.

The water distribution tank body is made of 304 stainless steel, the water inlet pipe is a DN50PE pipe, and timing and quantitative automatic water supply can be realized through electromagnetic valve control. The floating ball body is used for adsorbing impurities on the upper surface of the water level, so that the impurities enter the impurity adsorption micropores and provide signals when the water distribution tank body is lack of water, the electromagnetic valve is opened, and the water is supplied by the water inlet pipe.

In one embodiment, the test section assembly comprises a test section body, a plurality of micro-motor probes, a first fixed base, a second fixed base, a jack, two bearing bases, a rotating shaft and a water level sensor, wherein the test section body is installed on the right side of the water distribution tank body, a test groove is formed in the downward concave portion of the top of the test section body, a plurality of micro-motor probe holes are further formed in one side wall of the test section body, the test groove is communicated with the micro-motor probe holes, the micro-motor probes are inserted into the micro-motor probe holes, the first fixed base is fixedly installed at one end of the bottom of the test section body, the second fixed base is located below the first fixed base, the upper end of the jack is connected with the first fixed base, the lower end of the jack is connected with the second fixed base, the two bearing bases are respectively installed on one side of the bottom of the water distribution tank body, the rotating shaft is rotatably inserted into the two bearing bases, the bottom of the test section body, which is adjacent to the water level tank assembly is hinged to the two bearing bases through the rotating shaft, the electromagnetic valve is installed on one side wall of the water level side of the test section body, and the inner side of the test section body is electrically connected with the water level sensor, and the inner side of the test section body, and the test section body is made of the test section body 304.

In one embodiment, the water collecting tank assembly comprises a water collecting tank body and a water discharging pipe, the water collecting tank body is installed on the right side of the test section body, the top of the water collecting tank body is downwards concave to form a water collecting tank, and the water discharging pipe is inserted into the bottom of the water collecting tank body and communicated with the water collecting tank.

The water collecting tank body is provided with the overflow mouth of triangle weir at the whole end, ensures that the rivers of the experimental section body are even, abandons water and collects to the water collecting tank body in, discharges to formulating the position after collecting through the DN50PE drain pipe of water collecting tank body below.

In one embodiment, the steam recovery mechanism comprises a water storage assembly and a steam collection assembly, the water storage assembly is located above the water distribution tank body, the steam collection assembly is located above the test section body, and the lower end of the steam collection assembly is connected with the upper edge of the side wall of one side, away from the test section body, of the water storage assembly.

In one embodiment, the water storage assembly comprises a water storage tank, an upper magnet frame, a pressure-bearing bottom plate and a lower magnet frame, the water storage tank is located above the water distribution tank body, the upper magnet frame is fixedly installed at the bottom of the water storage tank, the pressure-bearing bottom plate is installed below the upper magnet frame, the lower magnet frame is fixedly installed at the top of the pressure-bearing bottom plate, the bottom of the upper magnet frame is abutted to the top of the lower magnet frame, and the upper magnet frame and the lower magnet frame are opposite in magnetism.

In one embodiment, the water storage tank comprises a water storage tank frame body, two inverted L-shaped support rods, a plurality of guide spring assemblies and upper waterproof rubber, the water storage tank frame body is positioned above the water distribution tank body, the edge of the bottom of the water storage tank frame body is upwards concavely provided with a plurality of spring grooves, one ends of the two support rods are respectively fixedly connected with two ends of the water storage tank frame body, the other ends of the two support rods are respectively fixedly connected with the tops of two sides of the water distribution tank body, the upper ends of the guide spring assemblies are respectively accommodated in the spring grooves, the upper waterproof rubber is fixedly arranged on the inner side of the bottom of the water storage tank frame body, the upper magnet frame is provided with a plurality of through grooves corresponding to the spring grooves, the lower magnet frame is provided with a plurality of through grooves corresponding to the through grooves, the spring grooves, the through grooves and the through grooves jointly form spring moving spaces, the guide spring assemblies are respectively accommodated in the spring moving spaces, the pressure-bearing bottom plate comprises a pressure-bearing bottom plate body, a test section baffle, lower waterproof rubber and a weighing device, the pressure-bearing bottom plate body is arranged below an upper magnet frame, the lower magnet frame is fixedly arranged at the top of the pressure-bearing bottom plate body, the bottom of the lower magnet frame is abutted against the top of the upper magnet frame, the test section baffle is arranged on one side wall of the pressure-bearing bottom plate body adjacent to the test section body, the lower waterproof rubber is arranged at the top of the pressure-bearing bottom plate body, the upper waterproof rubber is sleeved in the lower waterproof rubber, the inner side of the upper waterproof rubber is abutted against the outer side of the lower waterproof rubber, the lower ends of a plurality of guide spring assemblies are connected with the top of the pressure-bearing bottom plate body, the weighing device is arranged at one side of the bottom of the pressure-bearing bottom plate body adjacent to the test section body, each guide spring assembly comprises an upper spring, a guide column and a lower spring which are integrally formed, the upper spring, the guide column and the lower spring are arranged in a plurality of spring moving spaces, and the upper end of the upper spring is connected with the side wall of the top of the spring groove, the lower end of the upper spring is connected with the top of the guide post, the upper end of the lower spring is connected with the bottom of the guide post, the lower end of the lower spring is fixedly connected with the top of the pressure-bearing bottom plate body, and the lower spring is used for resetting left and right so that small deviation can also reset left and right.

In one of them embodiment, the steam collection subassembly includes two side steam baffle plates, tip steam baffle plate, the steam collection board of slope, cradling piece and timing LED lamp, two side steam baffle plate install in the both sides upper portion of test section body, tip steam baffle plate installs in the lateral wall upper portion of one side of the adjacent test section body of water catch bowl body, and the both sides of tip steam baffle plate link to each other with the tip of two side steam baffle plates, the steam collection board is located the top of test section body, and the upper end of steam collection board links to each other with the top of tip steam baffle plate, the lower extreme links to each other with the top of the adjacent inlet tube one side of tank framework, the bottom surface of steam collection board is formed with the comdenstion water inclined plane that continues, the cradling piece is installed perpendicularly in the bottom of steam collection board, regularly LED lamp links to each other with the cradling piece, and the heating piece electric connection of regularly LED lamp and test section body bottom.

The timing LED lamp is used for providing illumination for the water distribution pool body and heating trial water in the water distribution pool body, and meanwhile, the heating sheet of the test section body is connected to heat trial water in the test section body, so that the trial water is heated and evaporated to form water vapor and clean the timing LED lamp, and the water vapor can also upwards contact the steam collecting plate.

In one embodiment, the pressing assembly comprises a pressure rod and a pressure plate, the upper end of the pressure rod is vertically connected with the bottom of the pressure-bearing bottom plate, the pressure plate is vertically connected with the lower end of the pressure rod, a drainage space is formed between a side wall, connected with the test section body, of the water collecting tank body and the end steam baffle, a water collecting opening is further formed in the side wall, connected with the test section body, of the water collecting tank body, and the drainage space is located above the water collecting opening.

The steam collecting plate is used for collecting steam generated by the test section body and guiding the steam to the water storage tank frame body to be cooled to form test water distribution, the pressure bearing bottom plate moves downwards after being stressed to expose a gap and enable the upper waterproof rubber and the lower waterproof rubber to be separated, the plurality of guide spring assemblies extend downwards, the test water flows out of the gap to supplement the water level of the water distribution tank body and scour the upper wall of the water distribution tank body so as to clean the upper wall of the water distribution tank body, meanwhile, the pressure rod and the pressure plate move downwards along with the pressure bearing bottom plate and press the floating ball downwards, the floating ball sensor identifies the position change of the floating ball and opens the electromagnetic valve, and the water inlet pipe replenishes water for the experimental device; when the weight of the trial water in the water storage pool frame body is smaller than the restoring force of the guide spring assemblies and the buoyancy of the trial water, the pressure bearing bottom plate can move upwards to restore the original state.

In one embodiment, a first inlet is formed in the upper portion of a side wall, connected with the test section body, of the water distribution tank body, two semi-arc-shaped second inlet openings are further formed in the top of the side wall, connected with the test section body, of the water distribution tank body, the two second inlet openings are located on two sides of the first inlet opening respectively, a third inlet space is formed above the side wall, connected with the test section body, of the water distribution tank body, the second inlet opening is communicated with the third inlet space, an inverted L-shaped water baffle is further installed on one side, adjacent to the water distribution tank body, of the test section body, the water baffle is hinged and connected with the side walls on two sides of the water distribution tank body through a torsion spring, the water baffle comprises a butt end and a water guiding end, connected in sequence, of the upper portion and the lower portion, the butt end is located below the test section baffle, and the lower end of the water guiding end inclines towards the side wall, adjacent to the water distribution tank body, of the test section body.

When the trial-distribution water of tank framework enters into the water distribution cell body, second inlet port and third entering space are arranged in the trial-distribution water that accelerates the water distribution cell body and enter into experimental section body and down flow to the lateral wall of experimental section body at the guide of breakwater, thereby prevent that the trial-distribution water from splashing and mix with the trial-distribution water of experimental section body, the breakwater includes the butt end on upper portion and the drainage end of lower part, the upper end of butt end is located the below of experimental section baffle, the drainage end is located the upper portion left side of test groove, the butt end is used for when the bearing bottom plate body moves down, the upper end of extrusion butt end, make the drainage end open, thereby make the trial-distribution water can flow into in the test groove more fast.

The water distribution tank body is made of 304 stainless steel, the water inlet pipe is a DN50PE pipe, and automatic water supply at regular time and quantity can be realized through the control of the electromagnetic valve. The experimental section body adopts 304 stainless steel to make, and the collecting tank body all ends are provided with the triangle weir overflow mouth, ensure that the rivers of the experimental section body are even, abandon water and collect to the collecting tank body in, discharge to the position of formulating after collecting through the DN50PE drain pipe of collecting tank body below. The slope ratio of the device is adjusted through the jack and the rotating shaft adjusting device, so that the actual slope condition of the river channel can be simulated more truly. Inhale the small impurity that the micropore can adsorb the water level upper surface when being in the random motion through setting up the floater on the surface of water for the trial distribution water is more clear, and when the trial distribution water of inlet tube moisturizing or tank framework entered into the water distribution cell body simultaneously, the water environment in the distribution cell body can be disturbed to the trial distribution water, thereby the random motion of aggravation edulcoration spherical shell makes during small impurity enters into the gettering micropore more easily, makes the trial distribution water more clear. Through setting up regularly LED lamp, simulation test that can be more true, regularly LED lamp can light when the daytime, closes when night. When the water level of the water storage tank frame body exceeds a certain weight, the pressure bearing bottom plate moves downwards after being weighted to expose a gap and separate upper waterproof rubber from lower waterproof rubber, the upper magnet frame is separated from the lower magnet frame, the plurality of guide spring assemblies extend downwards, the trial distribution water can be supplemented into the water distribution tank body, and finally, the trial distribution water flows into the test section body, so that the recycling of the trial distribution water is completed. When the weight of the trial water distribution in the water storage pool frame body is smaller than the restoring force of the guide spring assemblies and the buoyancy of the trial water distribution, the upper spring and the lower spring can be contracted and restored, the upper magnet frame and the lower magnet frame accelerate the contraction speed of the upper spring and the lower spring under the action of the magnetic force, and the lower spring is used for resetting left and right so that the small left and right deviation can also be reset. Through the water baffle that sets up the shape of falling L can prevent that experimental water from being the arc and directly supplying to the experimental section body to the internal water environment of disturbance experimental section, and through setting up first inlet port, second inlet port and third entering space and be used for reducing the internal water environment disturbance when trying to join in marriage water supply and entering into the experimental section body of distribution tank, thereby reduce simulation error.

Drawings

Fig. 1 is a schematic front plan view of an embodiment.

FIG. 2 is a top plan view of an embodiment.

Fig. 3 is a perspective view of an embodiment.

FIG. 4 is a cross-sectional view of an embodiment.

FIG. 5 is an exploded view of a water storage assembly according to an embodiment.

FIG. 6 is a perspective view of a pressure floor body according to one embodiment.

Fig. 7 is a partial enlarged view of a portion a in fig. 3 according to an embodiment.

Fig. 8 is a partial enlarged view of the portion B in fig. 5 according to an embodiment.

FIG. 9 is a partial enlarged view of a portion C in FIG. 5.

FIG. 10 is a cross-sectional view of the float ball of one embodiment.

The reference numbers illustrate:

10. a distribution basin assembly; 11. a water distribution tank body; 12. a water inlet pipe; 13. a hinged base; 14. connecting ropes; 15. a floating ball; 16. a floating ball sensor; 17. an electromagnetic valve; 18. a water baffle; 110. a water distribution tank; 150. removing impurity from the spherical shell; 151. a buoyant sphere; 152. gettering micropores; 153. a fixing rod; 154. a shell-shaped space; 180. a butting end; 181. a water diversion end; 20. a test section assembly; 21. a test segment body; 22. a micro-motor probe; 23. a first fixed base; 24. a second fixed base; 25. a jack; 26. a bearing base; 27. a rotating shaft; 28. a water level sensor; 210. a test tank; 211. a micro-motor probe hole; 213. a first access port; 214. a second access port; 215. a third access space; 30. a sump assembly; 31. a water collection tank body; 32. a drain pipe; 310. a water collection tank; 311. a drainage space; 312. a water collection port; 40. a vapor recovery mechanism; 41. a water storage assembly; 42. a vapor collection assembly; 43. a spring movement space; 410. a water storage tank; 411. an upper magnet frame; 412. a pressure-bearing bottom plate; 413. a lower magnet frame; 414. a pressure-bearing floor body; 415. a test section baffle; 416. a weighing device; 423. lower waterproof rubber; 4100. a tank frame; 4101. a support bar; 4102. a guide spring assembly; 4103. a spring slot; 4104. waterproof rubber is coated; 4105. an upper spring; 4106. a guide post; 4107. a lower spring; 4110. a through slot; 4130. passing through the slot; 420. a side steam baffle; 421. an end steam baffle; 422. an inclined vapor collection plate; 425. a support rod; 424. a timing LED lamp; 50. pressing the assembly; 51. a pressure rod; 52. a pressure plate.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

An embodiment of the invention is shown in fig. 1 to 10, and is a simulation experiment device for disclosing a natural repair mechanism of low-water-level bottom mud in a river channel, which comprises a distribution basin assembly 10, a test section assembly 20, a water collecting tank assembly 30, a steam recovery mechanism 40 and a pressing assembly 50, wherein the test section assembly 20 is installed on the right side of the distribution basin assembly 10, the water collecting tank assembly 30 is installed on the right side of the test section assembly 20, the steam recovery mechanism 40 is installed above the test section assembly 20, and the pressing assembly 50 is installed above the distribution basin assembly 10.

The distribution tank assembly 10 can supplement the trial distribution water of the test section assembly 20, the test is carried out in the test section assembly 20, the water collecting tank assembly 30 is used for collecting abandoned water, the trial distribution water of the test section assembly 20 can be collected by the steam recovery mechanism 40 and used for supplementing the trial distribution water in the distribution tank assembly 10, the pressing assembly 50 can cooperate with the steam recovery mechanism 40 to supplement the trial distribution water in the distribution tank assembly 10, and then the trial distribution water in the disturbance distribution tank assembly 10 is disturbed, so that the distribution tank assembly 10 can adsorb impurities on the upper surface of the trial distribution water.

As shown in fig. 1 to 4 and 10, the water distribution tank assembly 10 includes a water distribution tank body 11, a water inlet pipe 12, a hinge base 13, a connecting rope 14, a float ball 15, a float ball sensor 16 and an electromagnetic valve 17, the top of the water distribution tank body 11 is recessed downward to form a water distribution tank groove 110, the water inlet pipe 12 is inserted into a side wall of the water distribution tank body 11 away from the test section assembly 20 and is communicated with the water distribution tank groove 110, the hinge base 13 is located below the water inlet pipe 12 and is mounted on the side wall of the water distribution tank body 11, the upper end of the connecting rope 14 is connected with the hinge base 13, the float ball 15 floats on the water surface of the water distribution tank body 11, the lower end of the connecting rope 14 is connected with the float ball 15, the float ball sensor 16 is mounted on a side wall of the water distribution tank body 11 away from the test section assembly 20, and is located the below of inlet tube 12, solenoid valve 17 installs in the top of inlet tube 12, and with floater inductor 16 electric connection, floater 15 includes edulcoration spherical shell 150 and floater body 151, edulcoration spherical shell 150 floats on the surface of water of distribution cell body 11, floater body 151 fixed mounting is in the inside of edulcoration spherical shell 150, a plurality of gettering micropores 152 have been seted up on the edulcoration spherical shell 150, be formed with shell-shaped space 154 between the internal surface of edulcoration spherical shell 150 and the surface of floater body 151, the internal surface of edulcoration spherical shell 150 and the surface of floater body 151 are connected with a plurality of dead levers 153, a plurality of gettering micropores 152 all communicate with shell-shaped space 154, still seted up discharge opening (not shown) on the edulcoration spherical shell 150, be provided with the closure plug (not shown) in the discharge opening.

The water distribution tank body 11 is made of 304 stainless steel, the water inlet pipe 12 is a DN50PE pipe, and automatic water supply at regular time and quantity can be realized through the control of the electromagnetic valve 17. The floating ball 151 is used for adsorbing impurities on the upper surface of the water level, so that the impurities enter the impurity adsorption micro-holes 152 and provide a signal when the water distribution tank body 11 is lack of water, the electromagnetic valve 17 is opened, and the water is supplemented through the water inlet pipe 12.

As shown in fig. 1 to 4, the testing section assembly 20 includes a testing section body 21, a plurality of micro-motor probes 22, a first fixing base 23, a second fixing base 24, a jack 25, two bearing bases 26, a rotating shaft 27 and a water level sensor 28, the testing section body 21 is installed on the right side of the water distribution tank body 11, a testing groove 210 is formed at the top of the testing section body in a downward concave manner, a plurality of micro-motor probe holes 211 are further formed on one side wall of the testing section body 21, the testing groove 210 is communicated with the plurality of micro-motor probe holes 211, the plurality of micro-motor probes 22 are inserted into the plurality of micro-motor probe holes 211, the first fixing base 23 is fixedly installed at one end of the bottom of the testing section body 21, the second fixing base 24 is located below the first fixing base 23, the upper end of the jack 25 is connected with the first fixing base 23, the lower end is connected with the second fixed pedestal 24, the two bearing pedestals 26 are respectively installed on one side of the bottom of the water distribution tank body 11 adjacent to the water collection tank assembly 30, the rotating shaft 27 is rotatably inserted into the two bearing pedestals 26, the bottom of one side of the test section body 21 adjacent to the water collection tank assembly 30 is hinged to the two bearing pedestals 26 through the rotating shaft 27, the water level sensor 28 is installed on one side wall of the test section body 21, the water level sensor 28 is electrically connected with the electromagnetic valve 17, a heating sheet (not shown) is further arranged at the bottom of the inner side of the test section body 21, the test section body 21 is made of 304 stainless steel, and the water level sensor 28 is used for providing an electric signal to the electromagnetic valve 17 when the water level inside the test section body 21 is lower than a set value, so that the electromagnetic valve 17 is opened to supplement water.

As shown in fig. 4, the water collecting tank assembly 30 includes a water collecting tank body 31 and a water discharging pipe 32, the water collecting tank body 31 is installed on the right side of the test section body 21, the top of the water collecting tank body is recessed downwards to form a water collecting tank 310, and the water discharging pipe 32 is inserted into the bottom of the water collecting tank body 31 and is communicated with the water collecting tank 310.

The water collection tank body 31 is provided with triangle weir overflow mouth at its whole end, ensures that the rivers of the experimental section body 21 are even, abandons water and collects to the water collection tank body 31 in, discharges to formulating the position after collecting through DN50PE drain pipe 32 of water collection tank body 31 below.

As shown in fig. 3 and 4, the steam recovery mechanism 40 includes a water storage assembly 41 and a steam collection assembly 42, the water storage assembly 41 is located above the water distribution tank body 11, the steam collection assembly 42 is located above the test section body 21, and the lower end of the steam collection assembly 42 is connected to the upper edge of the side wall of one side of the water storage assembly 41 departing from the test section body 21.

As shown in fig. 4 and 5, the water storage assembly 41 includes a water storage tank 410, an upper magnet frame 411, a pressure-bearing bottom plate 412 and a lower magnet frame 413, the water storage tank 410 is located above the water distribution tank body 11, the upper magnet frame 411 is fixedly mounted at the bottom of the water storage tank 410, the pressure-bearing bottom plate 412 is mounted below the upper magnet frame 411, the lower magnet frame 413 is fixedly mounted at the top of the pressure-bearing bottom plate 412, the bottom of the upper magnet frame 411 is abutted against the top of the lower magnet frame 413, and the upper magnet frame 411 and the lower magnet frame 413 are opposite in magnetism.

As shown in fig. 5 to 9, the water storage tank 410 includes a water storage tank frame 4100, two inverted L-shaped support rods 4101, a plurality of guide spring assemblies 4102 and an upper waterproof rubber 4104, the water storage tank frame 4100 is located above the water distribution tank 11, the edge of the bottom of the water storage tank frame 4100 is upwardly recessed to form a plurality of spring grooves 4103, one end of each of the two support rods 4101 is fixedly connected to two ends of the water storage tank frame 4100, the other end of each of the two support rods 4101 is fixedly connected to the tops of two sides of the water distribution tank 11, the upper ends of the plurality of guide spring assemblies 4102 are respectively received in the plurality of spring grooves 4103, the upper waterproof rubber 4104 is fixedly mounted inside the bottom of the water storage tank frame 4100, the upper magnet frame 411 is provided with a plurality of penetrating grooves 4110 corresponding to the plurality of spring grooves 4103, the lower magnet frame 413 is provided with a plurality of passing grooves 4130 corresponding to the plurality of penetrating grooves 4110, the spring grooves 4103, the penetrating grooves 4110 and the passing grooves 4130 together form a spring movement space 43, the plurality of guide spring assemblies 4102 are respectively accommodated in the plurality of spring movement spaces 43, the pressure-bearing bottom plate 412 comprises a pressure-bearing bottom plate body 414, a test section baffle 415, a lower waterproof rubber 423 and a weighing device 416, the pressure-bearing bottom plate body 414 is installed below the upper magnet frame 411, the lower magnet frame 413 is fixedly installed at the top of the pressure-bearing bottom plate body 414, the bottom of the lower magnet frame 413 is abutted against the top of the upper magnet frame 411, the test section baffle 415 is installed at one side wall of the pressure-bearing bottom plate 412 adjacent to the test section body 21, the lower waterproof rubber 423 is installed at the top of the pressure-bearing bottom plate body 414, the upper waterproof rubber 4104 is sleeved in the lower waterproof rubber 423, the inner side of the upper waterproof rubber 4104 is abutted against the outer side of the lower waterproof rubber 423, the lower ends of the plurality of guide spring assemblies 4102 are connected with the top of the pressure-bearing bottom plate body 414, the weighing device 416 is installed at one side of the bottom of the pressure-bearing bottom plate 412 adjacent to the test section body 21, each guide spring unit 4102 includes an upper spring 4105, a guide column 4106 and a lower spring 4107 which are integrally formed, the upper spring 4105, the guide column 4106 and the lower spring 4107 are installed in the plurality of spring movement spaces 43, the upper end of the upper spring 4105 is connected to the side wall of the top of the spring groove 4103, the lower end is connected to the top of the guide column 4106, the upper end of the lower spring 4107 is connected to the bottom of the guide column 4106, the lower end is fixedly connected to the top of the pressure-bearing bottom plate 414, the lower spring 4107 is used for left and right resetting, so that even slight left and right deviation can be reset, a weighing device 416 is used for weighing the water test inside the water storage tank frame 4100, and the falling weight of the pressure-bearing bottom plate 412 can determine that there is no damage to the upper spring 4105 and the lower spring 4107 or the upper magnet frame 411 and the lower magnet frame 413.

As shown in fig. 4, the steam collection assembly 42 includes two side steam baffles 420, an end steam baffle 421, an inclined steam collection plate 422, a support rod 425 and a timing LED lamp 424, the two side steam baffles 420 are installed on the upper portions of two sides of the test section body 21, the end steam baffle 421 is installed on the upper portion of one side wall of the water collection tank 31 adjacent to the test section body 21, two sides of the end steam baffle 421 are connected to the ends of the two side steam baffles 420, the steam collection plate 422 is located above the test section body 21, the upper end of the steam collection plate 422 is connected to the top of the end steam baffle 421, the lower end of the steam collection plate 422 is connected to the top of one side of the water storage tank frame 4100 adjacent to the water inlet pipe 12, a condensed water continuous inclined plane is formed on the bottom surface of the steam collection plate 422, the support rod 425 is vertically installed on the bottom of the steam collection plate 422, the timing LED lamp 424 is connected to the support rod 425, and the timing LED lamp 424 is electrically connected to the heating sheet at the bottom of the test section body 21.

The timing LED lamp 424 is used for providing illumination for the water distribution tank body 11 and heating trial water in the water distribution tank body 11, and meanwhile, the heating sheet of the test section body 21 is connected to heat trial water in the test section body 21, so that the trial water is heated and evaporated to form water vapor and the timing LED lamp 424 is cleaned, and the water vapor can also upwards contact the steam collecting plate 422.

As shown in fig. 4 to 5, the pressing assembly 50 includes a pressure rod 51 and a pressure plate 52, the upper end of the pressure rod 51 is vertically connected to the bottom of the pressure-bearing bottom plate 412, the pressure plate 52 is vertically connected to the lower end of the pressure rod 51, a water drainage space 311 is formed between the side wall of the water collection tank body 31 connected to the test block body 21 and the end steam baffle 421, a water collection port 312 is further opened on the side wall of the water collection tank body 31 connected to the test block body 21, and the water drainage space 311 is located above the water collection port 312.

The steam collecting plate 422 is used for collecting steam generated by the test section body 21 and guiding the steam to the water storage tank frame body 4100 to be cooled to form test water, so that the pressure bearing bottom plate 412 moves downwards after being weighted to expose a gap and separate the upper waterproof rubber 4104 from the lower waterproof rubber 423, the guide spring assemblies 4102 extend downwards, the test water flows out of the gap to replenish the water level of the water distribution tank body 11 and wash the upper wall of the water distribution tank body 11 so as to clean the upper wall of the water distribution tank body 11, meanwhile, the pressure rod 51 and the pressure plate 52 move downwards along with the pressure bearing bottom plate 412 and press the floating ball 15 to move downwards, the floating ball sensor 16 identifies the position change of the floating ball 15, the electromagnetic valve 17 is opened, and the water inlet pipe 12 is used for replenishing water for the experimental device; when the weight of the test water in the tank frame 4100 is smaller than the restoring force of the plurality of guide spring assemblies 4102 and the buoyancy of the test water, the pressure-receiving bottom plate 412 can move upward to restore the original state.

As shown in fig. 4 and 7, a first inlet 213 is formed in the upper portion of the side wall of the water distribution tank body 11 connected to the test section body 21, two semi-arc second inlet 214 are further formed in the top portion of the side wall of the water distribution tank body 11 connected to the test section body 21, the two second inlet 214 are located on two sides of the first inlet 213, a third inlet space 215 is formed above the side wall of the water distribution tank body 11 connected to the test section body 21, the second inlet 214 is communicated with the third inlet space 215, an inverted L-shaped water baffle 18 is further installed on one side of the test section body 21 adjacent to the water distribution tank body 11, the water baffle 18 is hinged to the side wall of the two sides of the water distribution tank body 11 through a torsion spring, the water baffle 18 includes an abutting end 180 at the upper portion and a water introducing end 181 at the lower portion, the abutting end 180 is located below the test section baffle 415, and the lower end 181 is inclined toward the side wall of the side of the test section body 21 adjacent to the water distribution tank body 11.

When the trial water of the water storage tank frame 4100 enters the water distribution tank body 11, the second inlet 214 and the third inlet 215 are used for accelerating the trial water of the water distribution tank body 11 to enter the test section body 21 and flow down to the side wall of the test section body 21 under the guidance of the water baffle 18, so as to prevent the trial water from splashing and mixing with the trial water of the test section body 21, the water baffle 18 comprises an upper abutting end 180 and a lower water guiding end 181, the upper end of the abutting end 180 is located below the test section baffle 415, the water guiding end 181 is located on the left side of the upper portion of the test tank 210, and the abutting end 180 is used for pressing the upper end of the abutting end 180 when the pressure bearing bottom plate body 414 moves down, so that the water guiding end 181 is opened, and the trial water can flow into the test tank 210 more quickly.

During installation: the test section assembly 20 is installed on the right side of the distribution tank assembly 10, the water collecting tank assembly 30 is installed on the right side of the test section assembly 20, the steam recovery mechanism 40 is installed above the test section assembly 20, the pressing assembly 50 is installed above the distribution tank assembly 10, the hinged base 13 is installed on the side wall of the distribution tank body 11, the floating ball sensor 16 is installed on the side wall of the distribution tank body 11, which is far away from the test section assembly 20, and the floating ball body 151 is fixedly installed inside the impurity removal ball shell 150. The test section body 21 is installed on the right side of the water distribution tank body 11, the first fixing base 23 is fixedly installed at one end of the bottom of the test section body 21, the two bearing bases 26 are respectively installed on one side, close to the water collecting tank assembly 30, of the bottom of the water distribution tank body 11, the water level sensor 28 is installed on the side wall of one side of the test section body 21, the water collecting tank body 31 is installed on the right side of the test section body 21, the upper magnet frame 411 is fixedly installed at the bottom of the water storage tank 410, the pressure bearing bottom plate 412 is installed below the upper magnet frame 411, and the lower magnet frame 413 is fixedly installed at the top of the pressure bearing bottom plate 412. The upper waterproof rubber 4104 is fixedly arranged on the inner side of the bottom of the water storage tank frame body 4100, the pressure-bearing bottom plate body 414 is arranged below the upper magnet frame 411, the lower magnet frame 413 is fixedly arranged on the top of the pressure-bearing bottom plate body 414, the test section baffle 415 is arranged on one side wall of the pressure-bearing bottom plate 412 adjacent to the test section body 21, the lower waterproof rubber 423 is arranged on the top of the pressure-bearing bottom plate body 414, the weighing device 416 is arranged on one side of the bottom of the pressure-bearing bottom plate 412 adjacent to the test section body 21, the upper spring 4105, the guide columns 4106 and the lower springs 4107 are arranged in the plurality of spring movable spaces 43, the two side steam baffles 420 are arranged on the upper parts of two sides of the test section body 21, the end steam baffle 421 is arranged on the upper part of one side wall of the water collection tank body 31 adjacent to the test section body 21, and the support rod 425 is vertically arranged on the bottom of the steam collection plate 422.

When in use: 1. for better simulation test, the slope ratio of different river channels is set to simulate the actual situation of the river channel more truly, the device is used for simulating the actual slope situation of the river channel through the slope ratio of the jack 25 and the rotating shaft adjusting device, and a timing LED lamp 424 is also set, wherein the timing LED lamp 424 can be turned on in the daytime and turned off at night; the timing LED lamp 424 is also used for providing illumination to the water distribution tank body 11 and heating the trial water in the water distribution tank body 11, and meanwhile, the heating sheet of the test section body 21 is connected to heat the trial water in the test section body 21, so that the trial water is heated and evaporated to form water vapor and clean the timing LED lamp 424, and the water vapor can also upwards contact the vapor collection plate 422. The steam collecting plate 422 is used for collecting steam generated by the test section body 21 and guiding the steam to the water storage tank frame body 4100 to cool the steam to form test water, so that the pressure bearing bottom plate 412 moves downwards after being weighted to expose a gap and separate the upper waterproof rubber 4104 from the lower waterproof rubber 423, the upper magnet frame 411 is separated from the lower magnet frame 413, the plurality of guide spring assemblies 4102 extend downwards, the test water flows out of the gap to supplement the water level of the water distribution tank body 11 and scour the upper wall of the water distribution tank body 11 to clean the upper wall of the water distribution tank body 11, meanwhile, the pressure rod 51 and the pressure plate 52 move downwards along with the pressure bearing bottom plate 412 and press the floating ball 15 downwards, the floating ball sensor 16 identifies the position change of the floating ball 15, the electromagnetic valve 17 is opened, the water inlet pipe 12 supplements water for the water distribution tank body 11, and the tank body 11 supplements water under double supply of the water inlet pipe 12 and the water storage tank frame body 4100, so that the supplement of the test section body 21 for test water is accelerated. When the weight of the water to be tested in the water storage tank frame 4100 is smaller than the restoring force of the plurality of guide spring assemblies 4102 and the buoyancy of the water to be tested, the upper spring 4105 and the lower spring 4107 contract and restore, the upper magnet frame 411 and the lower magnet frame 413 accelerate the contraction speed of the upper spring 4105 and the lower spring 4107 under the action of the magnetic force, the pressure-bearing bottom plate 412 moves upwards to enable the upper waterproof rubber 4104 to be abutted against the lower waterproof rubber 423, the upper magnet frame 411 is attached to the lower magnet frame 413, and the lower spring 4107 is used for left-right resetting, so that the small deviation in the left-right direction can be reset.

2. When the test section body 21 supplements test water, the inverted L-shaped water baffle 18 can prevent the test water from being arc-shaped and directly supplemented to the test section body 21, the test water can enter the upper part of the test section body 21 from the first inlet 213 and impact the water leading end 181, so that the water leading end 181 is impacted by the test water to tilt up to form a water supplementing gap with the side wall of the test section body 21, and the internal environment of the test section body 21 can not be disturbed under the condition of accelerating the water level supplementing speed in the test section body 21. When the water replenishing speed of the first inlet 213 is lower than that of the water distribution tank body 11, the trial water in the water distribution tank body 11 can enter the water level of the test segment body 21 from the two second inlet 214 and impact the water diversion end 181, so that the internal environment of the test segment body 21 is not disturbed under the condition of accelerating the water level replenishing speed in the test segment body 21. Similarly, when the water replenishing speed of the combination of the first inlet port 213 and the second inlet port 214 is still lower than the water replenishing speed of the water distribution tank body 11, the test water in the water distribution tank body 11 can enter the water level of the test section body 21 from the third inlet space 215 and strike the water diversion end 181, so that the internal environment of the test section body 21 is not disturbed under the condition of accelerating the water level replenishing speed in the test section body 21. After the test water in the test section body 21 is supplemented, the inverted-L-shaped water baffle 18 is restored under the restoring force of the tension spring.

3. Impurity removal spherical shell 150 floats when doing random motion on the surface of water of distribution cell body 11, a plurality of gettering micropores 152 can adsorb the small impurity of water level upper surface, make small impurity get into the gettering micropore 152 and store inside shell shape space 154, so that the trial-distribution water is more clear, when inlet tube 12 moisturizing or the trial-distribution water of tank framework 4100 enter into distribution cell body 11, the water environment in distribution cell body 11 can be disturbed to the trial-distribution water, thereby aggravate the random motion of impurity removal spherical shell 150, make small impurity more enter into gettering micropore 152 easily, make the trial-distribution water more clear.

Has the advantages that: the invention can realize automatic water supply at regular time and quantity by adopting the water distribution tank body 11 made of 304 stainless steel, the water inlet pipe 12 made of DN50PE pipe and the control of the electromagnetic valve 17. The test section body 21 is made of stainless steel, and the water collecting tank body 31 is provided with a triangular weir overflow port at the whole end, so that the water flow of the test section body 21 is ensured to be uniform, the abandoned water is collected into the water collecting tank body 31, and the abandoned water is collected through a DN50PE drain pipe 32 below the water collecting tank body 31 and then discharged to a formulated position. The slope ratio of the river channel is set to be different due to different slope ratios of the river channel, so that the actual situation of the river channel can be simulated more truly, and the slope ratio of the river channel simulation device is used for simulating the actual slope situation of the river channel through the jack 25 and the rotating shaft adjusting device. Inhale miscellaneous micropore 152 in doing random motion on the surface of water through setting up floater 15 and can adsorb the small impurity of water level upper surface, make trial distribution water more clear, when inlet tube 12 moisturizing or tank framework 4100's trial distribution water entered into water distribution cell body 11 simultaneously, the water environment in the water distribution cell body 11 can be disturbed to the trial distribution water, thereby the random motion of aggravation edulcoration spherical shell 150, make small impurity more enter into in the miscellaneous micropore 152 of inhaling more easily, make the trial distribution water more clear. By providing the timing LED lamp 424, a more realistic simulation test can be achieved, and the timing LED lamp 424 can be turned on during the daytime and turned off at night. Providing light to microorganisms in the test section body 21 in daytime and starting a power supply, heating by a heating sheet to evaporate test water, enabling the test water to upwards contact the steam collecting plate 422 and be cooled in the steam collecting plate to be guided to the water storage tank frame body 4100 to form test water, enabling the pressure bearing bottom plate 412 to move downwards after being weighted to expose a gap and enable the upper waterproof rubber 4104 to be separated from the lower waterproof rubber 423 when the water level of the water storage tank frame body 4100 exceeds a certain weight, enabling the upper magnet frame 411 to be separated from the lower magnet frame 413, enabling the plurality of guide spring assemblies 4102 to extend downwards, enabling the test water to be supplemented into the water distribution tank body 11, and finally completing the cyclic utilization of the test water when the test water flows into the test section body 21. When the weight of the water to be tested in the water storage tank housing 4100 is smaller than the restoring force of the plurality of guide spring units 4102 and the buoyancy of the water to be tested, the upper spring 4105 and the lower spring 4107 can be contracted and restored, the upper magnet frame 411 and the lower magnet frame 413 increase the contraction speed of the upper spring 4105 and the lower spring 4107 by the magnetic force, and the lower spring 4107 is used for left-right reset so that a slight left-right deviation can be reset. The inverted-L-shaped water baffle 18 is arranged to prevent test water from being arc-shaped and directly supplementing the test section body 21, so that the water environment in the test section body 21 is disturbed, and the first inlet port 213, the second inlet port 214 and the third inlet space 215 are arranged to reduce the disturbance of the water environment when the test water in the water distribution tank body 11 is supplemented and enters the test section body 21, so that the simulation error is reduced.

All possible combinations of the individual features in the above-described embodiments are described, but the combination of these features should be considered as being within the scope of the present description, provided that it is not contradictory.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

1. The utility model provides a disclose simulation experiment device of river course low water level bed mud nature repair mechanism, a serial communication port, including distribution tank subassembly (10), test section subassembly (20), water catch bowl subassembly (30), steam recovery mechanism (40) and push down subassembly (50), test section subassembly (20) are installed in the right side of distribution tank subassembly (10), water catch bowl subassembly (30) are installed in the right side of test section subassembly (20), steam recovery mechanism (40) are installed in the top of test section subassembly (20), push down subassembly (50) and install in the top of distribution tank subassembly (10).

2. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level of the river channel according to claim 1, is characterized in that: the water distribution tank assembly (10) comprises a water distribution tank body (11), a water inlet pipe (12), a hinged base (13), a connecting rope (14), a floating ball (15), a floating ball sensor (16) and an electromagnetic valve (17), wherein the top of the water distribution tank body (11) is downwards concavely provided with a water distribution tank groove (110), the water inlet pipe (12) is inserted into the side wall of one side of the water distribution tank body (11) departing from the test section assembly (20) and is communicated with the water distribution tank groove (110), the hinged base (13) is positioned below the water inlet pipe (12) and is arranged on the side wall of the water distribution tank body (11), the upper end of the connecting rope (14) is connected with the hinged base (13), the floating ball (15) floats on the water surface of the water distribution tank body (11), the lower end of the connecting rope (14) is connected with the impurity removal sensor (16), the impurity removal sensor (16) is arranged on the side wall of one side of the water distribution tank body (11) departing from the test section assembly (20) and is positioned below the water inlet pipe (12), the electromagnetic valve (17) is arranged at the top of the water inlet pipe (12) and is electrically connected with the impurity removal sensor (16), the floating ball sensor (150), the floating ball case (150) is arranged on the water distribution tank body (151, the floating ball body (150) and the floating ball shell (150), seted up a plurality of gettering micropores (152) on edulcoration spherical shell (150), be formed with shell shape space (154) between the internal surface of edulcoration spherical shell (150) and the surface of floater body (151), the internal surface of edulcoration spherical shell (150) and the surface of floater body (151) are connected with a plurality of dead levers (153), a plurality of gettering micropores (152) all communicate with shell shape space (154), still seted up the discharge opening on edulcoration spherical shell (150), be provided with the closing plug in the discharge opening.

3. The simulation experiment device for revealing the natural repair mechanism of the low-water-level bottom mud of the river channel according to claim 2 is characterized in that: the test section assembly (20) comprises a test section body (21), a plurality of micromotor probes (22), a first fixing base (23), a second fixing base (24), a jack (25), two bearing bases (26), a rotating shaft (27) and a water level sensor (28), the test section body (21) is installed on the right side of the water distribution tank body (11), the top of the test section body is downwards concavely provided with a test groove (210), one side wall of one side of the test section body (21) is further provided with a plurality of micromotor probe holes (211), the test groove (210) is communicated with the plurality of micromotor probe holes (211), the plurality of micromotor probes (22) are inserted into the plurality of micromotor probe holes (211), the first fixing base (23) is fixedly installed at one end of the bottom of the test section body (21), the second fixing base (24) is located below the first fixing base (23), the upper end of the jack (25) is connected with the first fixing base (23), the lower end of the jack is connected with the second fixing base (24), the two bearings (26) are installed at one side, which is adjacent to the bottom of the water distribution tank body (11), and the rotating shaft (30) is connected with the rotating shaft (26), the water level sensor (28) is installed on the side wall of one side of the test section body (21), the water level sensor (28) is electrically connected with the electromagnetic valve (17), and a heating sheet is further arranged at the bottom of the inner side of the test section body (21).

4. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level of the river channel according to claim 3, is characterized in that: the water collecting tank assembly (30) comprises a water collecting tank body (31) and a water discharging pipe (32), the water collecting tank body (31) is installed on the right side of the test section body (21), the top of the water collecting tank body is downwards concavely provided with the water collecting tank (310), and the water discharging pipe (32) is inserted into the bottom of the water collecting tank body (31) and communicated with the water collecting tank (310).

5. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level of the river channel according to claim 4, is characterized in that: the steam recovery mechanism (40) comprises a water storage component (41) and a steam collection component (42), wherein the water storage component (41) is positioned above the water distribution tank body (11), the steam collection component (42) is positioned above the test section body (21), and the lower end of the steam collection component (42) is connected with the upper edge of the side wall of one side, away from the test section body (21), of the water storage component (41).

6. The simulation experiment device for revealing the natural repair mechanism of the low-water-level bottom mud of the river channel according to claim 5 is characterized in that: water storage subassembly (41) includes tank (410), go up magnet frame (411), pressure-bearing bottom plate (412) and lower magnet frame (413), tank (410) are located the top of water distribution cell body (11), go up magnet frame (411) fixed mounting in the bottom of tank (410), pressure-bearing bottom plate (412) are installed in the below of last magnet frame (411), lower magnet frame (413) fixed mounting is in the top of pressure-bearing bottom plate (412), and the bottom of going up magnet frame (411) and the top looks butt of lower magnet frame (413), and go up magnet frame (411) and lower magnet frame (413) magnetism opposite.

7. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level of the river channel according to claim 6, is characterized in that: the water storage tank (410) comprises a water storage tank frame body (4100), two inverted L-shaped support rods (4101), a plurality of guide spring assemblies (4102) and upper waterproof rubber (4104), the water storage tank frame body (4100) is positioned above the water distribution tank body (11), the edge of the bottom of the water storage tank frame body (4100) is upwards concavely provided with a plurality of spring grooves (4103), one ends of the two support rods (4101) are respectively fixedly connected with two ends of the water storage tank frame body (4100), the other ends of the two support rods are respectively fixedly connected with the tops of two sides of the water distribution tank body (11), the upper ends of the plurality of guide spring assemblies (4102) are respectively accommodated in the plurality of spring grooves (4103), the upper waterproof rubber (4104) is fixedly arranged at the inner side of the bottom of the water storage tank frame body (4100), the upper magnet frame (411) is provided with a plurality of penetrating grooves (4110) corresponding to the plurality of spring grooves (4103), the lower magnet frame (413) is provided with a plurality of penetrating through spring grooves (41130) corresponding to the plurality of penetrating grooves (4100), a plurality of pressure-bearing spring grooves (412) are respectively arranged in the lower magnet frame (4102) and the lower spring bearing plate body (412) and the pressure-bearing plate body (416) which is arranged in the pressure-bearing plate body (412), the lower magnet frame (413) is fixedly installed at the top of the pressure-bearing bottom plate body (414), the bottom of the lower magnet frame (413) is abutted to the top of the upper magnet frame (411), the test section baffle (415) is installed at one side wall, close to the test section body (21), of the pressure-bearing bottom plate (412), the lower waterproof rubber (423) is installed at the top of the pressure-bearing bottom plate body (414), the upper waterproof rubber (4104) is sleeved in the lower waterproof rubber (423), the inner side of the upper waterproof rubber (4104) is abutted to the outer side of the lower waterproof rubber (423), the lower ends of the plurality of guide spring assemblies (4102) are connected with the top of the pressure-bearing bottom plate body (414), the weigher (416) is installed at one side, close to the test section body (21), of the bottom of the pressure-bearing bottom plate (412), each guide spring assembly (4102) comprises an integrally formed upper spring (4105), the guide columns (4106) and lower springs (4107), the upper springs (4105), the guide columns (4106) and the lower springs (4106) are installed in the plurality of movable spaces (43), the upper ends of the upper spring columns are connected with the upper ends of the guide columns (4106), the upper ends of the guide columns (4106) are connected with the side wall of the pressure-bearing bottom plate body (414, and the guide columns (4106) are connected with the upper ends of the pressure-bearing bottom plate body (4106), and the upper spring assemblies, and the guide columns (4106) are connected with the upper ends of the guide columns (4106), and the upper ends of the guide columns (4106) and the guide columns (4106) are connected with the upper ends of the pressure-bearing bottom plate body (4106), and the guide columns (4106), and the guide columns (4106) are connected with the side wall of the top of the pressure-bearing bottom plate body (4) and the guide columns (4) and the pressure-bearing bottom plate body (414.

8. The simulation experiment device for revealing the natural repair mechanism of the low-water-level bottom mud of the river channel according to claim 7 is characterized in that: the steam collecting assembly (42) comprises two side steam baffles (420), an end steam baffle (421), an inclined steam collecting plate (422), a support rod (425) and a timing LED lamp (424), the two side steam baffles (420) are arranged on the upper portions of the two sides of the test section body (21), the end steam baffle (421) is arranged on the upper portion of one side wall of a water collecting tank body (31) close to the test section body (21), the two sides of the end steam baffle (421) are connected with the ends of the two side steam baffles (420), the steam collecting plate (422) is arranged above the test section body (21), the upper end of the steam collecting plate (422) is connected with the top of the end steam baffle (421), the lower end of the steam collecting plate is connected with the top of one side of a water storage tank frame body (4100) close to a water inlet pipe (12), a continuous inclined plane is formed on the bottom surface of the steam collecting plate (422), the support rod (425) is vertically arranged at the bottom of the steam collecting plate (422), the timing LED lamp (424) is connected with the support rod (425), and the timing LED lamp (424) is electrically connected with a heating piece at the bottom of the test section body (21).

9. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level in the river channel according to claim 8, is characterized in that: the lower pressing assembly (50) comprises a pressure rod (51) and a pressure plate (52), the upper end of the pressure rod (51) is vertically connected with the bottom of the pressure-bearing bottom plate (412), the pressure plate (52) is vertically connected with the lower end of the pressure rod (51), a drainage space (311) is formed between a side wall, connected with the test section body (21), of the water collection tank body (31) and the end steam baffle plate (421), a water collection port (312) is further formed in the side wall, connected with the test section body (21), of the water collection tank body (31), and the drainage space (311) is located above the water collection port (312).

10. The simulation experiment device for revealing the natural repair mechanism of the bottom mud at the low water level in the river channel according to claim 9, is characterized in that: the water distribution tank body (11) is provided with a first inlet (213) on the upper portion of the side wall connected with the test section body (21), the top of the side wall connected with the test section body (21) of the water distribution tank body (11) is further provided with two semi-arc-shaped second inlet (214), the two second inlets (214) are respectively positioned on two sides of the first inlet (213), a third inlet space (215) is formed above the side wall connected with the test section body (21) of the water distribution tank body (11), the second inlet (214) is communicated with the third inlet space (215), one side of the test section body (21) adjacent to the water distribution tank body (11) is further provided with an inclined inverted L-shaped water baffle (18), the water baffle (18) is hinged with the side walls on two sides of the water distribution tank body (11) through torsion springs, the water baffle (18) comprises a butt joint end (180) and a water leading end (181) on the lower portion, the butt joint end (180) is positioned below the test section baffle (415), and the lower end of the water leading end (181) is inclined towards one side of the test section body (21) adjacent to the side wall of the water distribution tank body (11).

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