CN116182961A

CN116182961A - On-line monitoring device for sea entrance flow

Info

Publication number: CN116182961A
Application number: CN202310434706.8A
Authority: CN
Inventors: 朱浩然; 次乐璞; 王帅; 何笑迪
Original assignee: Hebei Dongxun Technology Co ltd
Current assignee: Hebei Dongxun Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-05-30
Anticipated expiration: 2043-04-21
Also published as: CN116182961B

Abstract

The invention relates to the technical field of flow monitoring, in particular to an on-line monitoring device for sea entrance flow. The utility model provides an income sea mouth flow on-line monitoring device, including the bottom plate, the bottom plate rigid coupling has the dead lever of symmetric distribution, dead lever sliding connection has the carriage, the rigid coupling has the monitoring sleeve between the carriage of symmetric distribution, the monitoring sleeve rigid coupling has the floater and the receiver of being connected with remote control terminal electricity, the rigid coupling has the connecting plate in the monitoring sleeve, the connecting plate rotates and is connected with the carousel, the connecting plate is provided with the rotational speed monitoring mechanism that is used for monitoring carousel rotational speed, rotational speed monitoring mechanism is connected with the receiver electricity, carousel splined connection has first bull stick, first rotating lever rigid coupling has first impeller. When the liquid level of the sea entrance rises or falls, the floating ball drives the monitoring sleeve and the parts on the monitoring sleeve to slide up and down along the fixed rod, and the first impeller is always below the liquid level, so that the monitoring sleeve is ensured to monitor the flow velocity of river water below the liquid level.

Description

On-line monitoring device for sea entrance flow

Technical Field

The invention relates to the technical field of flow monitoring, in particular to an on-line monitoring device for sea entrance flow.

Background

The flow of the sea entrance is an important data parameter of the river channel, the flow of the sea entrance is related to upstream precipitation and seasonal variation, therefore, the flow of the sea entrance needs to be monitored in real time, and the current flow meter for detecting the flow of the river comprises an electromagnetic flowmeter, an impeller-type flowmeter and the like.

When the impeller type flowmeter is applied, the impeller type flowmeter is generally fixed in river water at a sea entrance, because the river bottom of a river channel is rich in sediment, in order to prevent sediment from entering the impeller type flowmeter, the position of the impeller type flowmeter is not too low, but the liquid level of the river water can float up and down, when the liquid level is lower than that of the impeller type flowmeter, the water quantity entering the impeller type flowmeter is reduced, so that the detection data of the impeller type flowmeter is reduced, the flow detection process of the sea entrance is influenced, when the sea entrance with small water flow speed change drop is detected, the water flow at the sea entrance does not stably flow, the turbulent river water impacts the impeller, the rotation degree of the impeller is frequently changed, small fluctuation of the data is caused, and the flow detection precision is influenced.

Disclosure of Invention

In order to solve the technical problems, the invention provides an on-line monitoring device for the flow of the sea entrance for reducing the fluctuation of water flow.

The technical implementation scheme of the invention is as follows: the utility model provides an income sea mouth flow on-line monitoring device, including the bottom plate, the bottom plate rigid coupling has the dead lever of symmetric distribution, dead lever sliding connection has the carriage, the rigid coupling has the monitoring sleeve between the carriage of symmetric distribution, the monitoring sleeve rigid coupling has the floater and the receiver of being connected with remote control terminal electricity, the rigid coupling has the connecting plate in the monitoring sleeve, the connecting plate rotates and is connected with the carousel, the connecting plate is provided with the rotational speed monitoring mechanism that is used for monitoring the carousel rotational speed, rotational speed monitoring mechanism is connected with the receiver electricity, carousel splined connection has first bull stick, first bull stick rigid coupling has first impeller, when income sea mouth liquid level risees or descends, the floater drives the monitoring sleeve and the part on along the dead lever slides from top to bottom, first impeller is in the liquid level down all the time, the carriage is provided with buffer gear, buffer gear is used for locking the carriage.

Preferably, the monitoring sleeve is provided with a filter screen for intercepting impurities.

Preferably, one side of the monitoring sleeve, which is close to the filter screen, is provided with symmetrically distributed inclined surfaces for reducing the accumulation amount of impurities on the filter screen.

Preferably, the buffer gear is including the L shape pole of symmetric distribution, and L shape pole of symmetric distribution all rigid coupling is in adjacent carriage, and L shape pole sliding connection has the slide bar, and the slide bar rigid coupling of downside has the balancing weight, and the slide bar rigid coupling of upside has the floating disc, and the rigid coupling has first spring between balancing weight and the floating disc respectively and the adjacent L shape pole, and the slide bar rigid coupling has the fixed plate, and the rigid coupling has the folded sheet between the fixed plate of symmetric distribution, and the carriage is provided with spacing subassembly, and spacing subassembly is used for spacing carriage.

Preferably, the limiting component comprises a T-shaped rod, the T-shaped rod is connected to the sliding frame in a sliding mode, the T-shaped rod is matched with the folding plate, a tension spring is fixedly connected between the T-shaped rod and the sliding frame, limiting holes distributed at equal intervals are formed in the fixing rod, and the T-shaped rod is in limiting fit with the limiting holes of the fixing rod.

Preferably, the monitoring sleeve is fixedly connected with a splitter plate distributed at equal intervals in the circumferential direction, and the monitoring sleeve is provided with a power supplementing mechanism for accelerating the flow of liquid in the monitoring sleeve.

Preferably, the inner diameter of the side of the monitoring sleeve close to the splitter plate is larger than the inner diameter of the side away from the splitter plate, so as to ensure that the sum of the cross-sectional areas between two adjacent splitter plates is equal to the cross-sectional area of the inner diameter of the monitoring sleeve.

Preferably, the power supplementing mechanism comprises symmetrically distributed supporting rods, the symmetrically distributed supporting rods are fixedly connected to a monitoring sleeve, the symmetrically distributed supporting rods are rotationally connected with a first rotating shaft, the first rotating shaft is fixedly connected with a rotating plate which is circumferentially equidistant and symmetrically distributed, the first rotating shaft is fixedly connected with a first bevel gear, the monitoring sleeve is rotationally connected with a second rotating rod, the second rotating rod is fixedly connected with a second bevel gear meshed with the first bevel gear, the monitoring sleeve is rotationally connected with a second rotating shaft through the supporting rods, the second rotating shaft is fixedly connected with a third bevel gear, the second rotating rod is fixedly connected with a fourth bevel gear positioned in the monitoring sleeve, the fourth bevel gear is meshed with the third bevel gear, and one end of the second rotating shaft, far away from the third bevel gear, is fixedly connected with a second impeller.

Preferably, still including clearance mechanism, clearance mechanism sets up in first dwang, clearance mechanism is used for clearing up accumulational impurity on the filter screen, clearance mechanism is including first sprocket, first sprocket rigid coupling is kept away from the one end of first impeller in first dwang, first sprocket rotates and is connected with fixed sleeve, the rigid coupling has the second spring between fixed sleeve and the connecting plate, fixed sleeve rigid coupling has the connecting rod, the connecting rod rotates and is connected with the third bull stick, the third bull stick rigid coupling has the second sprocket, around being equipped with the chain between first sprocket and the second sprocket, the third bull stick rigid coupling has first U-shaped pole, the monitoring sleeve rigid coupling has the limiting plate, the limiting plate rotates and is connected with the cylinder, the cylinder rigid coupling has with first U-shaped pole complex second U-shaped pole, the limiting plate is provided with the striking off subassembly that is used for striking off impurity on the filter screen.

Preferably, the scraping assembly comprises a guide plate fixedly connected to a limiting plate, the guide plate is slidably connected with a first rectangular frame, the first rectangular frame is fixedly connected with a guide rod, a roller is provided with an annular chute matched with the guide rod, one side, away from the guide rod, of the first rectangular frame is fixedly connected with a second rectangular frame, the second rectangular frame is slidably connected with symmetrically distributed scraping plates, a third rectangular frame is fixedly connected to the inclined surface of the monitoring sleeve, and the third rectangular frame and the adjacent scraping plates are in limiting sliding.

The invention has the following advantages:

1. when the liquid level rises or falls, the monitoring sleeve can rise or fall along with the liquid level, so that the monitoring sleeve is ensured to monitor the river flow velocity at the lower side of the liquid level.

2. River water is filtered through the filter screen and impurities are guided, the accumulation amount of the impurities on the filter screen is reduced, the filter screen is prevented from being blocked by excessive accumulation of the impurities, the water quantity in the monitoring sleeve is reduced, and the subsequent monitoring process is influenced.

3. Impact force of water flow is slowed down through the flow dividing plate, so that water flow contacted with the first impeller becomes stable, and vibration born by the rotating speed monitoring mechanism is reduced.

4. When the liquid level changes by a small extent, the monitoring sleeve is kept in a static state, and the receiver can not vibrate.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the first rotating rod, the first impeller and other parts of the present invention.

Fig. 3 is a schematic perspective view of a buffer mechanism according to the present invention.

Fig. 4 is a schematic perspective view of the power supplementing mechanism of the present invention.

Fig. 5 is a schematic perspective view of a cleaning mechanism according to the present invention.

Fig. 6 is a schematic perspective view of a scraping assembly according to the present invention.

Fig. 7 is a schematic perspective view of the scraper and the third rectangular frame of the present invention.

In the reference numerals: 1-bottom plate, 2-fixed bar, 3-carriage, 4-monitor sleeve, 5-floating ball, 6-receiver, 7-connecting plate, 8-turntable, 9-first rotating bar, 10-first impeller, 1101-L-shaped bar, 1102-sliding bar, 1103-counterweight, 1104-floating plate, 1105-first spring, 1106-fixed plate, 1107-folded plate, 1108-T-shaped bar, 1109-tension spring, 12-split plate, 1301-first rotating shaft, 1302-rotating plate, 1303-first bevel gear, 1304-second rotating bar, 1305-second bevel gear, 1306-second rotating shaft, 1307-third bevel gear, 1308-fourth bevel gear, 1309-second impeller, 1401-first sprocket, 1402-fixed sleeve, 1403-second spring, 1404-connecting bar, 1405-third rotating bar, 1406-second sprocket, 1407-first U-shaped bar, 1408-stopper plate, 1409-roller, 1410-second U-shaped bar, guide plate, 1503-first frame, 1503-rectangular guide bar, 1503-rectangular scraper bar, third frame, 1504-rectangular scraper bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.

Example 1: the utility model provides an income sea mouth flow on-line monitoring device, as shown in fig. 1-7, including bottom plate 1, the upper surface rigid coupling of bottom plate 1 has symmetrical distribution's dead lever 2, dead lever 2 sliding connection has carriage 3, the rigid coupling has monitoring sleeve 4 between symmetrical distribution's carriage 3, the left side of monitoring sleeve 4 is provided with the filter screen that is used for intercepting impurity, the left side of monitoring sleeve 4 is provided with two inclined planes of fore-and-aft symmetrical distribution, make the impurity on the filter screen receive the impact of follow-up rivers to slide rightwards along the filter screen, and drop from the filter screen, reduce the pile up volume of impurity on the filter screen, avoid impurity to pile up too much with the filter screen shutoff, the upper surface rigid coupling of monitoring sleeve 4 has floater 5 and the receiver 6 that is connected with remote control terminal electricity, floater 5 provides ascending buoyancy for monitoring sleeve 4, the rigid coupling has connecting plate 7 in the monitoring sleeve 4, the lower part rotation of connecting plate 7 is connected with carousel 8, connecting plate 7 are provided with the rotational speed monitoring mechanism that is used for monitoring carousel 8 rotational speed, rotational speed monitoring mechanism is the rotational speed sensor, rotational speed monitoring mechanism is connected with receiver 6 electricity, carousel 8 is connected with first carousel 9, first carousel 9 has a first impeller 10 to drive impeller 10 when the upper and lower side of level surface 3 is in order to guarantee that the level 1 side is fixed with the side of the impeller 3, the upper and lower level 2 is used for the level to slide down, the level 1, the buffer mechanism is kept down, the level is guaranteed to slide down, and is in the side down the upper side of the monitoring sleeve is at the level 2.

The buffering mechanism comprises two L-shaped rods 1101 which are vertically symmetrically distributed, the symmetrically distributed L-shaped rods 1101 are fixedly connected to adjacent sliding frames 3, the L-shaped rods 1101 are slidably connected with sliding rods 1102, the sliding rods 1102 at the lower side are fixedly connected with balancing weights 1103, the sliding rods 1102 at the upper side are fixedly connected with floating plates 1104, the balancing weights 1103 and the floating plates 1104 are fixedly connected with first springs 1105 respectively between the adjacent L-shaped rods 1101, fixing plates 1106 are fixedly connected between the symmetrically distributed fixing plates 1106, folding plates 1107 are fixedly connected between the symmetrically distributed fixing plates 1106, two inclined surfaces which are vertically symmetrically distributed are arranged on the right side surfaces of the folding plates 1107, limiting components are arranged on the sliding frames 3 and are used for limiting the sliding frames 3.

The limiting component comprises a T-shaped rod 1108, the T-shaped rod 1108 is slidably connected to the right part of the sliding frame 3, the T-shaped rod 1108 is matched with a folding plate 1107, when the folding plate 1107 moves upwards or downwards, the inclined surface of the folding plate 1107 drives the T-shaped rod 1108 to move rightwards, a tension spring 1109 is fixedly connected between the T-shaped rod 1108 and the sliding frame 3, the tension spring 1109 is sleeved on the left side of the T-shaped rod 1108, the fixed rod 2 is provided with limiting holes which are distributed at equal intervals up and down, the T-shaped rod 1108 is in limiting fit with the limiting holes of the fixed rod 2, when the T-shaped rod 1108 is inserted into the limiting holes of the fixed rod 2, the liquid level fluctuates slightly, the sliding frame 3 cannot keep a static state relative to the fixed rod 2, and the monitoring sleeve 4 cannot vibrate due to liquid level change.

The monitoring sleeve 4 is internally fixedly connected with circumferentially equidistant distribution flow distribution plates 12, the flow distribution plates 12 are positioned on the left side of the first impeller 10, when water flows into the monitoring sleeve 4, the water flows are preferentially contacted with the flow distribution plates 12, the water flows are guided by the water flow after contacting with the flow distribution plates 12 to enter between adjacent flow distribution plates 12, the impact force of the water flows is slowed down by the flow distribution plates 12, the monitoring sleeve 4 is provided with a power supplementing mechanism for accelerating the flow of liquid in the water flow distribution plates, the inner diameter of one side of the monitoring sleeve 4, close to the flow distribution plates 12, is larger than the inner diameter of one side, far away from the flow distribution plates 12, the cross section of one side, close to the flow distribution plates 12, of the monitoring sleeve 4 is larger than the cross section of one side, far away from the flow distribution plates 12, and is used for compensating the partial volume occupied by the flow distribution plates 12, the sum of the cross section between the two adjacent flow distribution plates 12 is equal to the cross section of the inner diameter of the monitoring sleeve 4, and the fluid throughput between the two flow distribution plates is equal in the same time.

The power supplementing mechanism comprises two supporting rods which are symmetrically distributed around, the two supporting rods are fixedly connected to a monitoring sleeve 4, the upper ends of the two supporting rods are rotationally connected with a first rotating shaft 1301, the first rotating shaft 1301 is fixedly connected with rotating plates 1302 which are circumferentially equidistant and symmetrically distributed, the bottommost rotating plate 1302 is located below the liquid level, river water pushes the bottommost rotating plate 1302 to rotate, the rotating plates 1302 drive the first rotating shaft 1301 to rotate, the middle part of the first rotating shaft 1301 is fixedly connected with a first bevel gear 1303, the left side of the monitoring sleeve 4 is rotationally connected with a second rotating rod 1304, the upper end of the second rotating rod 1304 is fixedly connected with a second bevel gear 1305 meshed with the first bevel gear 1303, the inside of the monitoring sleeve 4 is rotationally connected with a second rotating shaft 1306 through the supporting rods, the right end of the second rotating shaft 1306 is fixedly connected with a third bevel gear 1307, the third bevel gear 1307 is located at the left side of a splitter plate 12, the lower end of the second rotating rod 1304 is fixedly connected with a fourth bevel gear 1308 which is located in the monitoring sleeve 4, the fourth bevel gear 1308 is meshed with the third bevel gear 1307, the left end of the second rotating shaft 1306 is fixedly connected with a second impeller 9, the flow rate of the second impeller 1309 is increased, the flow rate of the monitored river water is increased, and the flow rate of the monitored water is increased, and the flow rate of the water in the monitoring sleeve is increased, and the flow rate of the water in the monitoring sleeve is increased, and the monitoring sleeve is compared with the flow rate is increased, and the flow rate is increased.

When the monitoring device is required to monitor the flow of the sea entrance, an operator firstly fixes the bottom plate 1 at the river bottom of the sea entrance, the floating ball 5 is subjected to buoyancy so that the height of the monitoring sleeve 4 is lower than the liquid level, the height of the first rotating shaft 1301 is higher than the liquid level, the rotating plate 1302 at the lower side is positioned below the liquid level, as shown in fig. 1, along with the impact of water flow, the river water flows from left to right, part of the river water enters the monitoring sleeve 4, when the river water enters the monitoring sleeve 4, impurities in the river water are intercepted by the symmetrically distributed filter screens at the left side of the monitoring sleeve 4, the influence of the impurities entering the monitoring sleeve 4 on the rotation of the first impeller 10 is avoided, the symmetrically distributed inclined surfaces are arranged at the left side of the monitoring sleeve 4, the impurity that makes on the filter screen receives the impact of follow-up rivers to slide to the right along the filter screen to drop from the filter screen, reduce the accumulation volume of impurity on the filter screen, avoid impurity to pile up too much with the filter screen shutoff, lead to getting into the water yield in the monitoring sleeve 4 and reduce, influence follow-up monitoring process, the water after filtering gets into in the monitoring sleeve 4 and strikes first impeller 10, first impeller 10 drives carousel 8 through first dwang 9 and rotates, the rotational speed monitoring mechanism in the connecting plate 7 monitors the rotational speed of carousel 8, and send this data to receiver 6, receiver 6 sends data to remote control terminal, after the operating personnel accepted this data, calculate the flow of this department's sea-going port according to the liquid level and the cross-sectional area of this department river.

Since the monitoring device is used for monitoring the sea entrance with small drop of the water flow speed change, and the river at the sea entrance is in a turbulent state, in order to avoid the instantaneous increase or decrease of the rotating speed of the first impeller 10, the monitored data and the time change line have small amplitude fluctuation, so that the flow speed change caused by the water flow fluctuation needs to be reduced, the small amplitude fluctuation of the river can be transmitted to the rotating speed monitoring mechanism and the receiver 6, the rotating speed monitoring mechanism and the receiver 6 are provided with precise electrical components, the data of the rotating speed monitoring mechanism and the receiver 6 have deviation due to the long-time fluctuation, and the electrical components in the rotating speed monitoring mechanism and the receiver 6 are damaged when serious, so that the impact amplitude of the river borne by the inner side and the outer side of the monitoring sleeve 4 is reduced, and the specific operation is as follows: the space on the left side of the first impeller 10 in the monitoring sleeve 4 is divided into a plurality of fan-shaped cavities by the flow dividing plate 12, when water flows into the monitoring sleeve 4, the water flows are preferentially contacted with the flow dividing plate 12, the water flows are guided by the flow dividing plate 12 to enter between adjacent flow dividing plates 12 after contacting with the flow dividing plate 12, the impact force of the water flows is slowed down by the flow dividing plate 12, the water flows contacted with the first impeller 10 become stable, the vibration born by the rotating speed monitoring mechanism is reduced, the inner diameter of the side, close to the flow dividing plate 12, of the monitoring sleeve 4 is larger than the inner diameter of the side, far away from the flow dividing plate 12, of the monitoring sleeve 4, the cross sectional area of the side, close to the flow dividing plate 12 is larger than the cross sectional area of the side, far away from the flow dividing plate 12, and the partial volume occupied by the flow dividing plate 12 is compensated, so that the sum of the cross sectional areas between the two adjacent flow dividing plates 12 is equal to the cross sectional area of the inner diameter of the monitoring sleeve 4, and the fluid throughput is ensured to be equal in the same time.

The resistance of the flow dividing plate 12 is applied during the process of impacting the flow dividing plate 12, so that the flow velocity of the river is reduced, and the subsequent monitoring process is affected, so that the river needs to be supplemented with power before the river contacts the flow dividing plate 12, and the flowing speed of the river contacting the first impeller 10 is ensured to be equal to the flowing speed of the sea inlet, and the method specifically comprises the following steps: because the first rotating shaft 1301 is located at the upper side of the liquid surface, the lower rotating plate 1302 is located below the liquid surface, the river water flows to drive the two rotating plates 1302 to rotate by taking the first rotating shaft 1301 as the rotation center, the first rotating shaft 1301 drives the second rotating rod 1304 to rotate through the first bevel gear 1303 and the second bevel gear 1305, the second rotating rod 1304 drives the second rotating shaft 1306 to rotate through the fourth bevel gear 1308 and the third bevel gear 1307, the second rotating shaft 1306 drives the second impeller 1309 to rotate, and the flow speed of the surface of the river water liquid surface is greater than the flow speed below the liquid surface, therefore, the second impeller 1309 rotates to apply rightward thrust to the water in the monitoring sleeve 4, the flow speed of the river water is accelerated, the kinetic energy of the river water, which is reduced by collision with the split plate 12 in the follow-up process, and the accuracy of the value of the rotation speed monitoring mechanism is improved.

In order to reduce the influence of river fluctuation on the receiver 6, when the river level changes slightly, the frequency of vibration of the receiver 6 is slowed down in order to ensure that the monitoring sleeve 4 does not rise or fall along with the level, and the concrete operation is as follows: when the liquid level rises slightly, the T-shaped rod 1108 is limited by the limiting hole of the fixed rod 2 and cannot move, so that the monitoring sleeve 4 cannot move, the liquid level rises to drive the two floating plates 1104 to move upwards, the floating plates 1104 at the front side are taken as an example, the floating plates 1104 move upwards, the first springs 1105 at the upper side are stretched, the floating plates 1104 drive the folded plates 1107 to move upwards through the sliding rods 1102 and the fixed plates 1106 at the upper side, the folded plates 1107 drive the balancing weights 1103 to move upwards through the fixed plates 1106 and the sliding rods 1102 at the lower side, the first springs 1105 at the lower side are compressed, the T-shaped rods 1108 are always contacted with the vertical parts of the folded plates 1107 in the process of moving upwards the folded plates 1107, the T-shaped rods 1108 cannot move, when the liquid level is lowered, the balancing weights 1103 start to move downwards with a certain weight, the T-shaped rods 1108 do not move downwards, and therefore when the liquid level changes slightly, the monitoring sleeve 4 keeps a static state, and the liquid level changes, so that the vibration of the receiver 6 cannot occur.

In order to ensure that the monitored position is always under the liquid level, the height of the monitoring sleeve 4 needs to be adjusted, when the liquid level is raised, the T-shaped rod 1108 is limited and cannot move, the liquid level gradually passes through the floating ball 5, the floating ball 5 is subjected to buoyancy increase, when the liquid level rises for a certain distance, the floating disc 1104 moves upwards relative to the initial position for a certain distance, the distance is equal to the distance between two adjacent limiting holes on the fixed rod 2, in the process of moving upwards the floating disc 1104, the folded plate 1107 moves upwards, when the lower part of the right side surface of the folded plate 1107 is contacted with the T-shaped rod 1108, the folded plate 1107 continues to move upwards, the inclined surface of the lower side of the folded plate 1107 is extruded by the inclined surface of the folded plate 1107 to start to move rightwards, the tension spring 1109 is stretched, the left end of the T-shaped rod 1108 is gradually moved out of the limiting holes, after the left end of the T-shaped rod 1108 is moved out of the limiting holes, the floating ball 5 drives the monitoring sleeve 4 and the sliding frame 3 to move upwards, the sliding frame 3 drives the T-shaped rod 1108 to move upwards, when the T-shaped rod 1108 and the upper side of the limiting hole is aligned with the upper side of the T-shaped rod 1108 to the limiting hole, the T-shaped rod 1108 moves downwards along with the T-shaped rod 1108, the T-shaped rod is moved downwards, or the T-shaped rod is lowered to move downwards along with the limiting hole to the T-shaped sleeve 1108, the T-shaped rod is moved downwards, when the limit the liquid level is moved downwards along with the limit hole is moved downwards, and the limit sleeve 4, or the limit sleeve is lowered, and the flow rate is lowered.

Example 2: on the basis of embodiment 1, as shown in fig. 4-7, the device further comprises a cleaning mechanism, the cleaning mechanism is arranged on the first rotating rod 9, the cleaning mechanism is used for cleaning impurities accumulated on the filter screen, the cleaning mechanism comprises a first sprocket 1401, the first sprocket 1401 is fixedly connected to the right end of the first rotating rod 9, a fixed sleeve 1402 is rotatably connected to the left side of the first sprocket 1401, the fixed sleeve 1402 is sleeved on the outer side of the first rotating rod 9, a second spring 1403 is fixedly connected between the left side of the fixed sleeve 1402 and the connecting plate 7, water flows impact the left side of the first impeller 10, the first impeller 10 is impacted to drive the first rotating rod 9 to move rightwards, the first rotating rod 9 drives the fixed sleeve 1402 to move rightwards through the first sprocket 1403, the second spring 1403 is stretched, a connecting rod 1404 is fixedly connected to the lower side of the fixed sleeve 1402, a third rotating rod 1405 is rotatably connected to the lower end of the connecting rod 1406, a second sprocket 1408 is fixedly connected to the right end of the third rotating rod 1405, a first U-shaped rod 1407 is fixedly connected to the left end of the third rotating rod 1405, a second sprocket 1408 is fixedly connected between the first sprocket 1401 and the second sprocket 1408, a left end of the first U-shaped rod 1407 is fixedly connected to the left end of the first rotating rod 1407, an opening of the first U-shaped rod 1407 is fixedly connected to the left side of the first U-shaped rod 1407, the left end 1407 is used for monitoring the left side of the first rotating rod 1407 is fixedly connected to the left side of the first rotating rod 1409, and the left side of the first rotating rod 1409 is fixedly connected to the left rod is provided with the left rod, and has an opening and right side opening and has a limit plate 1409.

The scraping component comprises a guide plate 1501, the guide plate 1501 is fixedly connected to the left side face of a limiting plate 1408, the guide plate 1501 is located on the upper side of a roller 1409, the guide plate 1501 is connected with a first rectangular frame 1502 in a sliding mode, a guide rod 1503 is fixedly connected to the lower surface of the first rectangular frame 1502, an annular sliding groove matched with the guide rod 1503 is formed in the roller 1409, the roller 1409 rotates, the guide rod 1503 moves back and forth along the annular sliding groove, a second rectangular frame 1504 is fixedly connected to the upper surface of the first rectangular frame 1502, the second rectangular frame 1504 is connected with symmetrically distributed scraping plates 1505 in a sliding mode, inclined faces are arranged on the left side of the scraping plates 1505, the scraping plates 1505 are flush with a filter screen of a monitoring sleeve 4, the scraping plates 1505 are located on the right side of the filter screen and do not cover the filter screen, a third rectangular frame 1506 is fixedly connected to the inclined face of the monitoring sleeve 4, the third rectangular frame 1506 slides in a limiting mode with the adjacent scraping plates 1505, and the scraping plates 1505 slide leftwards along the third rectangular frame 1506.

In order to avoid accumulation of impurities on the filter screen, which affects the subsequent monitoring process, it is therefore necessary to clean the impurities accumulated on the filter screen, as follows: under normal conditions, river water entering the monitoring sleeve 4 can impact the first impeller 10, the first impeller 10 is impacted by river water to move rightwards, the first impeller 10 drives the first rotating rod 9 to move rightwards, the first rotating rod 9 drives the first sprocket 1401 to move rightwards, the first sprocket 1401 drives the fixed sleeve 1402 to move rightwards, the second spring 1403 is stretched, as the monitoring device is used for monitoring a sea entrance with small water flow speed change drop, the water flow speed change of river water is small, when the water flow speed changes, the second spring 1403 only contracts or stretches slightly, when the filter screen is piled up with impurities, the impurities shield the filter screen, the flow of river water entering the monitoring sleeve 4 is reduced, the impact force of river water on the first impeller 10 is reduced, at the moment, the second spring 1403 resets to drive the fixed sleeve 1402 to move leftwards through the first sprocket 1401 and the first rotating rod 9, the fixed sleeve 1402 drives the third rotating rod 1405 to move leftwards through the connecting rod 1405, and the third rotating rod 1407 drives the first U-shaped rod 1407 to move leftwards.

In the process of moving the first impeller 10, the first rotating rod 9 always rotates, so that the first rotating rod 9 drives the first sprocket 1401 to rotate, the first sprocket 1401 drives the second sprocket 1406 to rotate through a chain, the second sprocket 1406 drives the first U-shaped rod 1407 to rotate through the third rotating rod 1405, when the first U-shaped rod 1407 moves leftwards, the second U-shaped rod 1410 is gradually located on the rotating path of the first U-shaped rod 1407, when the second U-shaped rod 1410 is located on the rotating path of the first U-shaped rod 1407, the first U-shaped rod 1407 continues to rotate and contacts with the second U-shaped rod 1410, then the first U-shaped rod 1407 drives the second U-shaped rod 1410 to rotate, the second U-shaped rod 1410 drives the drum 1409 to rotate, at this moment, the guide rod 1503 is located on the right side of the circular chute of the drum 1409, the lower end of the guide rod 1409 starts to move leftwards along the circular chute under the limit of the circular chute, in the process of moving the guide rod 1503 leftwards, the rectangular frame 1503 drives the first rectangular frame 1502 to move leftwards, the rectangular frame 1505 drives the rectangular frame 1505 to move leftwards, the rectangular frame 1505 moves the second frame 1504 to the second rectangular frame 1504 to the left adjacent to the first frame 15054, and the rectangular frame 1504 moves the rectangular frame 1504 to the second frame is closely moves leftwards, and the rectangular frame 1504 is monitored to the second frame is closely moves to the rectangular frame is monitored to the frame 1504.

When the inclined plane on the left side of the scraper 1505 contacts impurities, the scraper 1505 scrapes the impurities accumulated on the filter screen, the water quantity entering the monitoring sleeve 4 increases, along with the rotation of the roller 1409, the scraper 1505 moves back and forth along the filter screen, after the impurities on the filter screen are completely scraped, the meshes of the filter screen are not plugged, the rotating speed of the first impeller 10 is recovered, the flow rate at the sea entrance is continuously monitored, when the rotating speed of the first impeller 10 is recovered, the impact force born by the first impeller 10 increases, the first impeller 10 moves rightwards, the first U-shaped rod 1407 moves rightwards and is not contacted with the second U-shaped rod 1410 any more, the first U-shaped rod 1407 idles, at this moment, if the scraper 1505 is not positioned on the right side of the filter screen, the scraper 1505 starts to move rightwards due to the impact of left water flow, when the scraper 1505 moves to the right side of the filter screen, the scraper 1505 is not moved rightwards due to the third rectangular frame 1506, the guide rod 1503 is positioned on the right side of the annular chute of the roller 1409, when the impurities are not stored on the filter screen, the right side of the filter screen is not blocked, the scraper 1505 is not blocked, the accuracy of the filter screen is not guaranteed, and the impurity is prevented from being cleaned on the filter screen, and the accuracy of the filter screen is reduced when the filter screen is monitored.

The embodiments described above are intended to provide those skilled in the art with a full range of modifications and variations to the embodiments described above without departing from the inventive concept thereof, and therefore the scope of the invention is not limited by the embodiments described above, but is to be accorded the broadest scope consistent with the innovative features recited in the claims.

Claims

1. The utility model provides a sea entrance flow on-line monitoring device, a serial communication port, including bottom plate (1), bottom plate (1) rigid coupling has dead lever (2) of symmetric distribution, dead lever (2) sliding connection has carriage (3), rigid coupling has monitoring sleeve (4) between symmetric distribution's carriage (3), monitoring sleeve (4) rigid coupling has floater (5) and receiver (6) of being connected with remote control terminal electricity, the rigid coupling has connecting plate (7) in monitoring sleeve (4), connecting plate (7) rotate and are connected with carousel (8), connecting plate (7) are provided with the rotational speed monitoring mechanism who is used for monitoring carousel (8) rotational speed, rotational speed monitoring mechanism is connected with receiver (6) electricity, carousel (8) splined connection has first bull stick (9), first bull stick (9) rigid coupling has first impeller (10), when sea entrance liquid level risees or drops, floater (5) drive monitoring sleeve (4) and the part on along dead lever (2) slide from top to bottom, first impeller (10) are below the liquid level all the time, buffer gear is provided with buffer gear in carriage (3).

2. An on-line monitoring device for sea-going port flow as claimed in claim 1, characterized in that the monitoring sleeve (4) is provided with a filter screen for intercepting impurities.

3. The on-line monitoring device for the sea entrance flow according to claim 1, wherein the side of the monitoring sleeve (4) close to the filter screen is provided with symmetrically distributed inclined surfaces for reducing the accumulation amount of impurities on the filter screen.

4. The on-line monitoring device for sea entrance flow according to claim 1, characterized in that the buffer mechanism comprises symmetrically distributed L-shaped rods (1101), the symmetrically distributed L-shaped rods (1101) are fixedly connected to adjacent sliding frames (3), sliding rods (1102) are slidably connected to the L-shaped rods (1101), a balancing weight (1103) is fixedly connected to the sliding rods (1102) at the lower side, a floating disc (1104) is fixedly connected to the sliding rods (1102) at the upper side, a first spring (1105) is fixedly connected between the balancing weight (1103) and the floating disc (1104) and the adjacent L-shaped rods (1101), a fixing plate (1106) is fixedly connected to the sliding rods (1102), a folding plate (1107) is fixedly connected between the symmetrically distributed fixing plates (1106), and a limiting assembly is arranged on the sliding frames (3) and used for limiting the sliding frames (3).

5. The on-line monitoring device for sea entrance flow according to claim 4, wherein the limiting assembly comprises a T-shaped rod (1108), the T-shaped rod (1108) is slidably connected to the sliding frame (3), the T-shaped rod (1108) is matched with the folding plate (1107), a tension spring (1109) is fixedly connected between the T-shaped rod (1108) and the sliding frame (3), the fixed rod (2) is provided with limiting holes distributed at equal intervals, and the T-shaped rod (1108) is in limiting fit with the limiting holes of the fixed rod (2).

6. An on-line monitoring device for the flow of sea-going ports as claimed in claim 1, characterized in that the monitoring sleeve (4) is fixedly connected with a splitter plate (12) distributed at equal intervals in the circumferential direction, and the monitoring sleeve (4) is provided with a power supplementing mechanism for accelerating the flow of liquid in the monitoring sleeve.

7. An on-line monitoring device for the flow of sea-going openings as claimed in claim 6, characterized in that the inner diameter of the monitoring sleeve (4) on the side close to the flow dividing plate (12) is larger than the inner diameter on the side far away from the flow dividing plate (12) for ensuring that the sum of the cross-sectional areas between two adjacent flow dividing plates (12) is equal to the cross-sectional area of the inner diameter of the monitoring sleeve (4).

8. The on-line monitoring device for sea entrance flow according to claim 1, wherein the power supplementing mechanism comprises symmetrically distributed supporting rods, the symmetrically distributed supporting rods are fixedly connected to the monitoring sleeve (4), the symmetrically distributed supporting rods are rotationally connected with a first rotating shaft (1301), the first rotating shaft (1301) is fixedly connected with a rotating plate (1302) which is circumferentially equidistant and symmetrically distributed, the first rotating shaft (1301) is fixedly connected with a first bevel gear (1303), the monitoring sleeve (4) is rotationally connected with a second rotating rod (1304), the second rotating rod (1304) is fixedly connected with a second bevel gear (1305) meshed with the first bevel gear (1303), the monitoring sleeve (4) is rotationally connected with a second rotating shaft (1306) through a supporting rod, the second rotating shaft (1306) is fixedly connected with a third bevel gear (1307), the second rotating rod (1304) is fixedly connected with a fourth bevel gear (1308) located in the monitoring sleeve (4), the fourth bevel gear (1308) is meshed with the third bevel gear (1307), and one end of the second rotating shaft (1306) far from the third bevel gear (1307) is fixedly connected with a second impeller (1309).

9. The on-line monitoring device for the sea inlet flow of claim 1, further comprising a cleaning mechanism arranged on the first rotating rod (9), wherein the cleaning mechanism is used for cleaning impurities accumulated on the filter screen and comprises a first chain wheel (1401), the first chain wheel (1401) is fixedly connected with one end of the first rotating rod (9) far away from the first impeller (10), the first chain wheel (1401) is rotatably connected with a fixed sleeve (1402), a second spring (1403) is fixedly connected between the fixed sleeve (1402) and the connecting plate (7), the fixed sleeve (1402) is fixedly connected with a connecting rod (1404), the connecting rod (1404) rotates and is connected with third bull stick (1405), third bull stick (1405) rigid coupling has second sprocket (1406), around being equipped with the chain between first sprocket (1401) and second sprocket (1406), third bull stick (1405) rigid coupling has first U-shaped pole (1407), monitoring sleeve (4) rigid coupling has limiting plate (1408), limiting plate (1408) rotate and are connected with cylinder (1409), cylinder (1409) rigid coupling has second U-shaped pole (1410) with first U-shaped pole (1407) complex, limiting plate (1408) are provided with the scraping component that is used for scraping the impurity on the filter screen.

10. The on-line monitoring device for sea entrance flow according to claim 9, wherein the scraping assembly comprises a guide plate (1501), the guide plate (1501) is fixedly connected to a limiting plate (1408), the guide plate (1501) is slidably connected with a first rectangular frame (1502), the first rectangular frame (1502) is fixedly connected with a guide rod (1503), the roller (1409) is provided with an annular chute matched with the guide rod (1503), one side of the first rectangular frame (1502) away from the guide rod (1503) is fixedly connected with a second rectangular frame (1504), the second rectangular frame (1504) is slidably connected with symmetrically distributed scraping plates (1505), and a third rectangular frame (1506) is fixedly connected to the inclined surface of the monitoring sleeve (4) and is in limiting sliding with the adjacent scraping plates (1505).