CN110762238A - Automatic fluid flow rate control device - Google Patents
Automatic fluid flow rate control device Download PDFInfo
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- CN110762238A CN110762238A CN201911133843.8A CN201911133843A CN110762238A CN 110762238 A CN110762238 A CN 110762238A CN 201911133843 A CN201911133843 A CN 201911133843A CN 110762238 A CN110762238 A CN 110762238A
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- fixedly connected
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- 239000012530 fluid Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000003756 stirring Methods 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 26
- 239000010865 sewage Substances 0.000 description 36
- 239000012535 impurity Substances 0.000 description 17
- 238000004140 cleaning Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008844 regulatory mechanism Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an automatic fluid flow velocity control device, which effectively solves the problems that the existing fluid flow velocity control process needs manual adjustment, the adjustment process is inaccurate, automatic control cannot be realized in real time in the flow velocity control process, and a valve is blocked by sundries; the technical scheme includes that the device comprises a support frame, a middle water delivery pipe and an upper water delivery pipe, wherein a propeller blade positioned on the right side of the upper port of the middle water delivery pipe is rotatably connected in the upper water delivery pipe, the propeller blade is coaxially and fixedly connected with a crank driving gear, a crank driven gear rotationally connected with the support frame is meshed beside the crank driving gear, the crank driven gear is coaxially and fixedly connected with a crank driving belt pulley positioned on the left side of the upper water delivery pipe, and the crank driving belt pulley is connected with a crank driven belt pulley coaxially and rotationally connected with the left end of the upper water delivery pipe through; the invention has simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of pipe fittings, in particular to a device for automatically controlling the flow velocity of a fluid.
Background
The pipeline is a device for conveying gas, liquid or fluid with impurities, which is formed by connecting pipes, pipe connectors, valves and the like, and is widely applied to multiple industries and fields due to the unique characteristics of the pipeline. The pipeline has a wide application range, and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance oil and gas transportation, agricultural irrigation, hydraulic engineering and various industrial devices, but in the process of transporting fluid by the pipeline, a control valve is mostly used for controlling the flow rate of the fluid.
In industrial production and life, a large amount of industrial sewage or domestic wastewater is generated by people's activities, and in the process of treating the sewage, the sewage conveying by using a pipeline cannot be avoided.
The control and regulation of the flow rate of the fluid in the pipe in the prior art have the following problems:
1. the valve needs to be manually adjusted in the process of controlling the flow rate of the fluid, the flow rate is difficult to control, and the adjustment and control are not accurate;
2. the flow velocity of the fluid needs to be controlled by using an electrical element, and autonomous real-time regulation and control cannot be finished;
3. in the flowing process of sewage in the pipeline, sundries in the sewage can block the valve.
Therefore, the present invention provides an apparatus for automatically controlling the flow rate of a fluid to solve this problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the device for automatically controlling the flow rate of the fluid, which effectively solves the problems that the existing flow rate control process of the fluid needs manual adjustment, the adjustment process is inaccurate, automatic control cannot be realized in real time in the flow rate control process, and a valve is blocked by sundries.
The invention comprises a supporting frame, wherein a middle water delivery pipe is fixedly connected to the inner right side of the supporting frame, the front side and the upper end of the middle water delivery pipe are respectively and fixedly communicated with a water supply pipe and an upper water delivery pipe, a propeller blade positioned on the right side of the upper port of the middle water delivery pipe is connected in the upper water delivery pipe in a rotating manner, the propeller blade is coaxially and fixedly connected with a crank driving gear, a crank driven gear which is rotatably connected with the supporting frame is meshed beside the crank driving gear, the crank driven gear is coaxially and fixedly connected with a crank driving belt pulley positioned on the left side of the upper water delivery pipe, and the crank driving belt pulley is connected with a crank driven belt pulley which is coaxially and rotatably connected to the left end of the upper water;
a piston is connected in the upper water delivery pipe in a left-right sliding manner, the left end of the piston is coaxially and rotatably connected with a piston rod which is rotatably connected with the upper water delivery pipe, the piston rod is coaxially and slidably connected with the crank driven belt pulley, an extension spring with two ends respectively and fixedly connected with the piston and the upper water delivery pipe is sleeved on the piston rod, the left end of the piston rod is fixedly connected with a sliding shaft sleeve, the piston rod is connected with a rotating shaft which is rotationally connected with the supporting frame in a sliding way, the rotating shaft is coaxially and fixedly connected with a fixed shaft sleeve, the fixed shaft sleeve and the sliding shaft sleeve are both rotationally connected with a plurality of rotating connecting rods, the upper ends of the corresponding rotating connecting rods on the fixed shaft sleeve and the sliding shaft sleeve are rotatably connected, the upper ends of the two hinged rotating connecting rods are rotatably connected with ball fixing rods, and the upper ends of the ball fixing rods are fixedly connected with counterweight balls.
Preferably, the right end of the middle water delivery pipe is slidably connected with a filter screen, the right end of the filter screen is fixedly connected with a water drain plug, the right side of the water drain plug is integrally and fixedly connected with a sealing cover plate, and the outer wall of the water drain plug is tightly attached to the inner wall of the middle water delivery pipe.
Preferably, the middle water delivery pipe and the water supply pipe are fixedly connected with electromagnetic valves, the two electromagnetic valves are fixedly connected with the control module on the support frame in an electric connection mode, and the control module is externally connected with a power supply.
Preferably, the right side of the sealing cover plate is rotatably connected with a stirring driven gear, the upper end of the stirring driven gear is meshed with a stirring driving gear rotatably connected to the supporting frame, and the stirring driving gear is coaxially and fixedly connected with a stirring driven belt pulley;
the stirring driven gear is coaxially and fixedly connected with a stirring rod which is rotationally connected with the sealing cover plate and the water drain plug;
go up the raceway right side and rotate and be connected with propeller blade, the integrative fixed cover in propeller blade outside be equipped with the stirring drive belt pulley, the stirring drive belt pulley with the stirring driven pulley pass through the belt and connect.
Preferably, the right end of the sealing cover plate is fixedly connected with a push-pull plate, the left side of the push-pull plate is fixedly connected with a push-pull lead screw, the left side of the push-pull lead screw is fixedly connected with a rectangular limiting shaft, and the rectangular limiting shaft is in sliding connection with the supporting frame;
the push-pull screw rod is coaxially connected with a push-pull threaded sleeve which is rotatably connected to the support frame in a matching mode, a push-pull driven belt pulley is coaxially and fixedly connected to the push-pull threaded sleeve, the push-pull driven belt pulley is connected with a push-pull driving belt pulley which is rotatably connected to the support frame through a belt, and the push-pull driving belt pulley is connected with a driving motor which is fixedly connected to the support frame.
Preferably, the right end of the support frame is fixedly connected with a sundries collecting box positioned at the lower end of the middle water delivery pipe;
the left end of the filter screen is fixedly connected with a flow velocity sensor, and the flow velocity sensor is connected with the control module.
Preferably, the support frame is fixedly connected with an operation panel, the control module is fixedly connected in the operation panel, and the operation panel is fixedly connected with a display screen and an operation button;
the electromagnetic valve, the driving motor and the flow velocity sensor are electrically connected with the operation panel.
The invention improves the existing fluid flow rate control device, and solves the problems that the existing fluid flow rate control device needs manual regulation in the fluid flow rate control process, the regulation process is inaccurate, automatic control cannot be realized in real time in the flow rate control process, and a valve is blocked by sundries by additionally arranging a flow rate detection mechanism, an automatic flow rate regulation mechanism and a sundries filtering mechanism.
Drawings
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is a perspective view of the second embodiment of the present invention.
FIG. 3 is a front cross-sectional view of the present invention.
FIG. 4 is a right side cross-sectional view of the present invention.
FIG. 5 is a partial schematic view of the sundries cleaning transmission structure of the present invention.
FIG. 6 is a schematic cross-sectional front view of the piston extension of the present invention.
Fig. 7 is a perspective view of the piston telescopic transmission of the present invention.
Fig. 8 is a perspective view of the propeller blade of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 8. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The first embodiment of the invention relates to a device for automatically controlling the flow rate of a fluid, which comprises a support frame 1, wherein the support frame 1 provides a support foundation for a subsequent structure and plays a role of auxiliary support, a middle water delivery pipe 2 is fixedly connected to the inner right side of the support frame 1, the front side and the upper end of the middle water delivery pipe 2 are respectively and fixedly communicated with a water supply pipe 3 and an upper water delivery pipe 4, the water supply pipe 3, the middle water delivery pipe 2 and the upper water delivery pipe 4 are communicated to ensure that sewage is delivered to the upper water delivery pipe 4 through the water supply pipe 3 and the middle water supply pipe 3, the upper water delivery pipe 4 is rotatably connected with a propeller blade 5 which is positioned at the right side of the upper port of the middle water delivery pipe 2, the propeller blade 5 is fixedly connected with an external fixing ring in a blade manner, so that the propeller blade is pushed by the fluid to rotate to drive the external fixing ring, this embodiment provides a specific rotation connection mode, both ends fixedly connected with annular piece about propeller blade 5, the upper hose in seted up with the above-mentioned annular soon assorted T shape circular arc slide rail, slide rail in fixedly connected with axis of rotation 14 holds, the bearing outer ring with annular piece fixed connection, in order to guarantee that propeller blade 5 leakproofness is better in the rotation process, propeller blade 5 with last raceway 4 seal through common sealing mode, this embodiment provides a specific sealing mode, last raceway 4 seted up annular seal groove, propeller blade 5 fixedly connected with annular seal groove matched with annular seal ring, propeller blade 5 coaxial fixed cover be equipped with crank drive gear 6, make propeller blade 5 drive crank drive gear 6 synchronous revolution in the rotation process, a crank driven gear 7 which is rotatably connected with the support frame 1 is meshed beside the crank driving gear 6, the reference circle radius of the crank driven gear 7 is smaller than that of the crank driving gear 6, so that the crank driving gear 6 is ensured to rotate for a circle to drive the crank driven gear 7 to rotate for a plurality of circles, the crank driven gear 7 is coaxially and fixedly connected with a crank driving pulley which is positioned at the left side of the upper water conveying pipe 4, the crank driving pulley 8 is connected with a crank driven pulley 9 which is coaxially and rotatably connected at the left end of the upper water conveying pipe 4 through a belt, and the crank driven gear 7 drives the crank driving pulley 8 to rotate so as to drive the driving driven pulley to synchronously rotate;
the upper water pipe 4 is internally connected with a piston 10 in a left-right sliding manner, the piston 10 is tightly attached to the inner wall of the upper water pipe 4, so that the sealing performance of the piston 10 and the upper water pipe 4 is ensured, sewage cannot flow to one side of the piston 10 through the upper water pipe, the left end of the piston 10 is coaxially and rotatably connected with a piston rod 11 which is rotatably connected with the upper water pipe 4, the embodiment provides a manner that the piston 10 is rotatably connected with the piston rod 11, specifically, the left side of the piston 10 is fixedly connected with a fixed bearing, the left side of the fixed bearing is fixedly connected with the piston rod 11, so that the piston 10 is not rotated in the rotating process of the piston rod 11, the piston rod 11 is coaxially and slidably connected with the crank pulley 9, and the embodiment provides a manner that the piston 10 is coaxially and slidably connected, specifically, the piston rod 11 is provided with two rectangular sliding grooves, the crank driven pulley 9 is internally and fixedly connected with a rectangular sliding block matched with the rectangular sliding grooves, the piston rod 11 is synchronously rotated with the crank driven pulley 9 and can slide left and right along the crank driven pulley 9 under the action of the rectangular sliding grooves and the rectangular sliding block, the piston rod 11 is sleeved with an extension spring 12, two ends of the extension spring are respectively and fixedly connected with the piston 10 and the upper water pipe 4, the piston 10 can slide left and right along the upper water pipe 4 under the action of the piston rod 11 and the extension spring 12, the left end of the piston rod 11 is fixedly connected with a sliding shaft sleeve 13, the piston rod 11 is slidably connected with a rotating shaft 14 rotatably connected with the support frame 1, and the embodiment provides a sliding connection mode, the inner wall of the piston rod 11 is provided with a sliding guide rail, the rotating shaft 14 is fixedly connected with a sliding block matched with the sliding guide rail, the rotating shaft 14 is under the combined action of the sliding guide rail and the sliding block and synchronously rotates with the piston rod 11 while leading the piston rod 11 to slide left and right along the sliding shaft, the rotating shaft 14 is coaxially and fixedly connected with a fixed shaft sleeve 15, the fixed shaft sleeve 15 and the sliding shaft sleeve 13 are both rotatably connected with a plurality of rotating connecting rods 16, the upper ends of the corresponding rotating connecting rods 16 on the fixed shaft sleeve 15 and the sliding shaft sleeve 13 are both rotatably connected, the upper ends of the two hinged rotating connecting rods 16 are both rotatably connected with a ball fixing rod 17, the upper end of the ball fixing rod 17 is both fixedly connected with a counterweight ball 18, and the counterweight balls 18 can drive the sliding shaft through the ball fixing rod 17 and the rotating connecting rods 16 due to the difference of centripetal force in the circumferential rotating process The sleeve 13 slides left and right along the rotating shaft 14, and the sliding shaft sleeve 13 slides left and right to drive the piston rod 11 to slide left and right along the rotating shaft 14, so as to drive the piston 10 to slide left and right;
in the specific implementation of this embodiment, sewage enters the upper water pipe 4 through the water supply pipe 3 and the intermediate water pipe 2, the flow of sewage in the upper water pipe 4 drives the propeller blades 5 to rotate under the action of water pressure, the propeller blades 5 rotate to drive the crank drive gear 6 to rotate, so as to drive the crank driven gear 7 to rotate at a high speed, the crank driven gear 7 drives the piston rod 11 to rotate synchronously through the crank drive pulley 8 and the crank driven pulley 9, the piston rod 11 drives the rotation shaft 14 to rotate synchronously in the rotation process to drive the sliding shaft sleeve 13 and the fixed shaft sleeve 15 to rotate synchronously, the sliding shaft sleeve 13 and the fixed shaft sleeve 15 rotate synchronously while driving the rotation connecting rod 16 to rotate so as to drive the counterweight ball 18 to move circumferentially through the ball fixing rod 17, when the counterweight ball 18 moves circularly, the sliding shaft sleeve 13 can be driven to slide to the left under the action of centripetal force, the sliding shaft sleeve 13 drives the piston rod 11 to slide to the left so as to drive the piston 10 to slide to the left, the area of a communication inlet of the middle water pipe 2 and the upper water pipe 4 is increased, the area of the inlet is increased, the flow rate of sewage is reduced, and when the centripetal force generated by the circumferential motion of the counterweight ball 18 is the same as the elastic force of the tension spring 12 on the piston 10, the piston 10 is stable and does not move, so that the flow rate of sewage is stable;
when the water supply pressure is suddenly increased to increase the flow rate of the entering sewage, the rotating speed of the propeller blades 5 is increased, and the counter weight balls 18 are driven to rotate at a high speed through the crank drive gear 6, the crank driven gear 7, the crank drive belt pulley 8, the crank driven belt pulley 9, the piston rod 11, the sliding shaft sleeve 13, the fixed shaft sleeve 15, the rotating connecting rod 16 and the ball fixing rod 17, so that the centripetal force generated by the counter weight balls 18 is increased, the piston rod 11 is pulled to slide leftwards, the piston 10 is driven to slide leftwards, the area of the communication inlet of the middle water conveying pipe 2 and the upper water conveying pipe 4 is increased, the flow rate is reduced, the extension spring 12 is compressed in the process that the piston 10 slides leftwards, and when the elastic force of the extension spring 12 is compressed to be the same as the centripetal force generated by the counter weight balls 18, the piston 10 is stable and does, the flow velocity of the sewage is stabilized;
when the water supply pressure is suddenly reduced to reduce the flow rate of the entering sewage, the rotating speed of the propeller blade 5 is reduced, the counter weight ball 18 is driven to rotate at a high speed through the crank drive gear 6, the crank driven gear 7, the crank drive pulley 8, the crank driven pulley 9, the piston rod 11, the sliding shaft sleeve 13, the fixed shaft sleeve 15, the rotating connecting rod 16 and the ball fixing rod 17, the centripetal force generated by the counter weight ball 18 is reduced, the piston 10 is driven to slide towards the right side under the action of the tension spring 12, the area of the communication inlet of the middle water conveying pipe 2 and the upper water conveying pipe 4 is reduced, the flow rate is increased, the elasticity of the tension spring 12 is reduced in the process that the piston 10 slides towards the right side, and when the elasticity of the tension spring 12 is the same as the centripetal force generated by the counter weight ball 18 when the piston 10 slides to the right side, the piston 10 is stable, the flow velocity of the sewage is stabilized.
In the second embodiment, on the basis of the first embodiment, since the blockage of the pipeline in which the domestic or production garbage is piled is more serious, the propeller blade 5 is interfered, and the rotation is not smooth or the blockage is caused, so that the first embodiment provides a structure for primarily cleaning the impurities in the sewage, specifically, the right end of the middle water pipe 2 is slidably connected with the filter screen 19, the right end of the filter screen 19 is tightly attached to the middle water pipe 2, so that the sewage can be completely filtered by the filter screen 19 and then conveyed to the upper water pipe 4, the filter screen 19 is provided with filter holes all around, and the filter holes all around the filter screen 19 are in clearance fit with the middle water pipe 2, thereby ensuring that the sewage can smoothly pass through the filter screen 19, and reducing the phenomenon that one side is blocked to block the whole filter screen 19, the middle water pipe 2 right-hand member seted up the drain hole, filter screen 19 accessible drain hole follow middle water pipe 2 in take out, filter screen 19 right-hand member fixedly connected with drain plug 20, drain plug 20 right side fixedly connected with seal cover plate 21, seal cover plate 21 left end with middle water pipe 2 right-hand member laminating, drain plug 20 outer wall with middle water pipe 2 inner wall closely laminate, play certain sealed effect, avoided sewage to pass through middle water pipe 2 flow to the external world, when needs clear up filter screen 19, only need stimulate seal cover plate 21 drive drain plug 20 and filter screen 19 slide to the right side, will filter screen 19 take out the washing, will after the washing filter screen 19 with, drain plug 20 and seal cover plate 21 reset.
In the third embodiment, on the basis of the second embodiment, in the process of cleaning the filter screen 19, the sewage on the left side of the water supply pipe 3 and the middle water delivery pipe 2 can flow to the outside along with the impurities, in order to reduce the leakage of the sewage and prevent the sewage from flowing out for a long time due to the cleaning of the filtering net 19, the present embodiment provides a way to place a large amount of sewage to flow out, specifically, the middle water delivery pipe 2 and the water supply pipe 3 are both fixedly connected with electromagnetic valves 22, the two electromagnetic valves 22 are positioned at the two ends of the filter screen 19, the two electromagnetic valves 22 are both electrically connected with a control module fixedly connected on the support frame 1, the control module is externally connected with a power supply, a control unit of an electromagnetic valve 22 is integrated in the control module, and the two electromagnetic valves 22 are connected in series to realize the same closing of the two electromagnetic valves 22;
in the specific implementation of this embodiment, when the filter screen 19 needs to be cleaned, the control template controls the two electromagnetic valves 22 to be closed simultaneously, and then the sealing cover plate 21, the drain plug 20 and the filter screen 19 are pulled to slide to the right side to clean the filter screen 19, after the cleaning is completed, the filter screen 19 is reset first, and then the electromagnetic valve 22 is started through the electromagnetic valve 22 to enable the water supply pipe 3, the middle water pipe 2 and the upper water pipe 4 to form a passage.
In the fourth embodiment, on the basis of the second embodiment, when the filter screen 19 filters the impurities, the impurities block the filter screen 19 under the action of the unidirectional water flow, and in the present embodiment, a stirring device for stirring inside the filter screen 19 is provided, specifically, the right side of the sealing cover plate 21 is rotatably connected with a stirring driven gear 23, the upper end of the stirring driven gear 23 is engaged with a stirring driving gear 24 rotatably connected to the support frame 1, the stirring driving gear 24 is coaxially and fixedly connected with a stirring driven pulley 25, and the stirring driven pulley 25 rotates to drive the stirring driving gear 24 to rotate so as to drive the stirring driven gear 23 to rotate;
the stirring driven gear 23 is coaxially and fixedly connected with a stirring rod 26 which is rotationally connected with the sealing cover plate 21 and the drain plug 20, the stirring rod 26 is driven to synchronously rotate while the stirring driven gear 23 rotates, impurities and sewage in the filter screen 19 are stirred, and the filter screen 19 is ensured not to be blocked easily;
the right side of the upper water pipe 4 is rotatably connected with a propeller blade 5, the rotating connection mode of the propeller blade 5 is the same as that of the propeller blade 5 on the left side of the upper water pipe 4, the outer side of the propeller blade 5 is fixedly sleeved with a stirring driving belt pulley 27, the stirring driving belt pulley 27 is connected with the stirring driven belt pulley 25 through a belt, the propeller blade 5 rotates under the action of water pressure to drive the stirring driving belt pulley 27 to synchronously rotate so as to drive the stirring driven belt pulley 25 to rotate, and the stirring driven belt pulley 25 drives the stirring driving gear 24 to synchronously rotate;
this embodiment when concrete implementation, propeller blade 5 rotate under the effect of rivers and drive stirring drive pulley 27 synchronous rotation, stirring drive pulley 27 pass through stirring driven pulley 25, stirring drive gear 24, stirring driven gear 23 drive puddler 26 wind filter screen 19 rotate, it is right sewage stir, utilize rivers water pressure itself energy to stir, saved the energy, thought to realize energy reuse.
Fifth embodiment, on the basis of the third embodiment, in order to better seal the middle water pipe 2 and automatically pull the filter screen 19, and reduce manual operations, the present embodiment provides a pulling manner of the filter screen 19, specifically, a push-pull plate 28 is fixedly connected to the right end of the sealing cover plate 21, a push-pull lead screw 29 is fixedly connected to the left side of the push-pull plate 28, a rectangular limit shaft 30 is fixedly connected to the left side of the push-pull lead screw 29, and the push-pull lead screw 29 can slide left and right along the support frame 1 under the action of the rectangular limit shaft 30 and the support frame 1;
the push-pull screw 29 is coaxially connected with a push-pull threaded sleeve 31 which is rotatably connected to the support frame 1 in a matching way, the push-pull screw 29 slides left and right under the action of the push-pull threaded sleeve 31, a push-pull driven belt pulley 32 is coaxially and fixedly connected to the push-pull threaded sleeve 31, the push-pull driven belt pulley 32 is connected with a push-pull driving belt pulley 33 which is rotatably connected to the support frame 1 through a belt, the push-pull driving belt pulley 33 is connected with a driving motor 34 which is fixedly connected to the support frame 1, and the driving motor 34 is externally connected with a power supply;
in the specific implementation of this embodiment, the driving motor 34 is started to drive the push-pull driving pulley 33 to rotate so as to drive the push-pull driven pulley 32 to rotate, the push-pull driven pulley 32 rotates to drive the push-pull threaded sleeve 31 to rotate, the push-pull threaded sleeve 31 rotates to drive the push-pull plate 28 to slide under the combined action of the rectangular limiting shaft 30 and the support frame 1, and the push-pull plate 28 slides left and right while driving the sealing cover plate 21, the drain plug 20 and the filter screen 19 to slide left and right, so as to complete the drawing and cleaning of the filter screen 19.
Sixth embodiment, on the basis of the fifth embodiment, in order to facilitate the collection of the impurities in the filter screen 19 and the sewage discharged along with the impurities, and to facilitate the disposal of the impurity garbage at regular intervals, this embodiment provides a structure for collecting the impurities, specifically, the right end of the support frame 1 is fixedly connected with an impurity collecting box 35 located at the lower end of the intermediate water pipe 2, when the drain plug 20 is opened to clean the impurities in the filter screen 19, the impurities in the filter screen 19 flow into the impurity collecting box 35 along with the sewage, and the impurities in the impurity collecting box 35 are cleaned at regular intervals according to actual conditions;
the left end of the filter screen 19 is fixedly connected with a flow velocity sensor, the flow velocity sensor is connected with the control module, the flow velocity sensor detects the flow velocity of the sewage in the middle water pipe 2, when the flow velocity sensor detects that the flow velocity of the water is slow, a signal is transmitted to the control module, so that the control module controls the two electromagnetic valves 22 to be closed, the sewage in the upper water pipe 4 and the water supply pipe 3 is prevented from being collected in the filter screen 19, and the subsequent cleaning of impurities of the filter screen 19 is facilitated.
Seventh embodiment, on the basis of the sixth embodiment, in order to facilitate the automatic control of the apparatus, this embodiment provides an automatic control apparatus, specifically, an operation panel 36 is fixedly connected to the support frame 1, the control module is fixedly connected to the operation panel 36, a display screen 37 and operation buttons 38 are fixedly connected to the operation panel 36, the display screen 37 displays the equipment operation information, and the operation buttons 38 can complete setting of the information of the operation panel 36 and can perform manual operation on the apparatus;
the electromagnetic valve 22, the driving motor 34 and the flow rate sensor are all electrically connected with the operation panel 36, and the electromagnetic valve 22, the driving motor 34 and the flow rate sensor are controlled together through the operation panel 36;
in this embodiment, when the operation button 38 is used to set a bottom value of the flow rate sensor, the operation panel 36 is started, when the flow rate sensor detects that the flow rate of the sewage is lower than the set bottom value, the flow rate sensor transmits a signal to the operation panel 36, the operation panel 36 sends a signal to the electromagnetic valve 22 through the control module, so that the electromagnetic valve 22 is closed, the driving motor 34 is started to open the drain plug 20 to clean the filter screen 19, after the cleaning is completed, the operation panel 36 controls the driving motor 34 to rotate in the reverse direction to drive the drain plug 20 to close the middle water pipe 2, and after the drain plug 20 is reset, the operation panel 36 controls the electromagnetic valve 22 to open to communicate the water supply pipe 3, the middle water pipe 2 and the upper water pipe 4, the time for the forward and reverse rotation of the drive motor 34 is set by the operation panel 36.
When in specific use, the operation button 38 is used for setting the flow rate bottom line value of the flow rate sensor, the operation panel 36 is started, so that the sewage is conveyed to a subsequent device through the water supply pipe 3, the middle water supply pipe 3 and the upper water conveying pipe 4, when the flow velocity in the upper water conveying pipe 4 is stable and constantly keeps flowing at a specified flow velocity, the propeller blade 5 on the left side rotates at a constant speed, the counterweight ball 18 is driven to rotate at a constant speed by the action of the crank driving gear 6, the crank driven gear 7, the crank driving belt pulley 8, the crank driven belt pulley 9, the piston rod 11, the rotating shaft 14, the sliding shaft sleeve 13 and the fixed shaft sleeve 15, the counterweight ball 18 rotates at a constant speed to ensure that the centripetal force is the same as the elastic force of the extension spring 12, so that the piston 10 is always positioned at the same position to ensure that the fluid speed is stable;
when the water supply pressure is suddenly increased to increase the flow rate of the entering sewage, the rotating speed of the propeller blade 5 is increased, and the counter weight ball 18 is driven to rotate at a high speed through the crank drive gear 6, the crank driven gear 7, the crank drive pulley 8, the crank driven pulley 9, the piston rod 11, the sliding shaft sleeve 13, the fixed shaft sleeve 15, the rotating connecting rod 16 and the ball fixing rod 17, so that the centripetal force generated by the counter weight ball 18 is increased, the piston rod 11 is pulled to slide leftwards, the piston 10 is driven to slide leftwards, the flow rate is reduced, the extension spring 12 is compressed in the process that the piston 10 slides leftwards, and when the elastic force of the extension spring 12 is the same as the centripetal force generated by the counter weight ball 18, the piston 10 is stable and motionless, so that the flow rate of the sewage is stable;
when the water supply pressure is suddenly reduced to reduce the flow rate of the entering sewage, the rotating speed of the propeller blade 5 is reduced, and the counter weight ball 18 is driven to rotate at a high speed through the crank drive gear 6, the crank driven gear 7, the crank drive pulley 8, the crank driven pulley 9, the piston rod 11, the sliding shaft sleeve 13, the fixed shaft sleeve 15, the rotating connecting rod 16 and the ball fixing rod 17, so that the centripetal force generated by the counter weight ball 18 is reduced, the piston 10 is driven to slide towards the right side under the action of the tension spring 12 to increase the flow rate, the elasticity of the tension spring 12 is reduced in the process that the piston 10 slides towards the right side, and when the elasticity of the tension spring 12 is the same as the centripetal force generated by the counter weight ball 18 when the piston 10 slides to ensure that the piston 10 is stable and the flow rate of the sewage is stable;
when the flow rate sensor detects that the flow rate of the sewage is lower than a set bottom line value, the operation panel 36 sends a signal to the electromagnetic valve 22 through the control module to close the electromagnetic valve 22, and simultaneously starts the driving motor 34 to open the drain plug 20 to clean the filter screen 19, after the cleaning is completed, the operation panel 36 controls the driving motor 34 to rotate reversely to drive the drain plug 20 to close the middle water pipe 2, and after the drain plug 20 is reset, the operation panel 36 controls the electromagnetic valve 22 to open to communicate the water supply pipe 3, the middle water pipe 2 and the upper water pipe 4.
The invention solves the problems that the existing fluid flow rate control device needs manual regulation in the fluid flow rate control process, the regulation process is inaccurate, automatic control cannot be realized in real time in the flow rate control process, and a valve is blocked by sundries by improving the existing fluid flow rate control device and additionally arranging the flow rate detection mechanism, the automatic flow rate regulation mechanism and the sundries filtering mechanism.
Claims (7)
1. Automatic change control fluid velocity of flow device, including support frame (1), its characterized in that, support frame (1) in right side fixedly connected with middle raceway (2), middle raceway (2) front side and upper end fixed intercommunication respectively have delivery pipe (3) and last raceway (4), last raceway (4) internal rotation be connected with be located middle raceway (2) upper end mouth right side propeller blade (5), propeller blade (5) coaxial fixedly connected with crank drive gear (6), other meshing of crank drive gear (6) have with support frame (1) rotate the crank driven gear (7) of being connected, the coaxial fixedly connected with of crank driven gear (7) be located the left crank drive belt pulley (8) of last raceway (4), crank drive belt pulley (8) and rotate the connection and be in the crank driven belt pulley (8) of last raceway (4) left end crank driven belt pulley(s) (4) left end 9) Connected through a belt;
a piston (10) is connected in the upper water pipe (4) in a left-right sliding manner, the left end of the piston (10) is coaxially and rotatably connected with a piston rod (11) which is rotatably connected with the upper water pipe (4), the piston rod (11) is coaxially and slidably connected with the crank driven belt pulley (9),
an extension spring (12) with two ends respectively fixedly connected with the piston (10) and the upper water pipe (4) is sleeved on the piston rod (11), the left end of the piston rod (11) is integrally connected with a sliding shaft sleeve (13), the piston rod (11) is connected with a rotating shaft (14) which is rotationally connected with the supporting frame (1) in a sliding way, a fixed shaft sleeve (15) is coaxially and fixedly connected on the rotating shaft (14), the fixed shaft sleeve (15) and the sliding shaft sleeve (13) are both rotatably connected with a plurality of rotating connecting rods (16), the upper ends of the corresponding rotating connecting rods (16) on the fixed shaft sleeve (15) and the sliding shaft sleeve (13) are rotatably connected, the upper ends of the two hinged rotating connecting rods (16) are rotatably connected with a ball fixing rod (17), the upper ends of the ball fixing rods (17) are fixedly connected with counterweight balls (18).
2. The device for automatically controlling the flow rate of fluid according to claim 1, wherein a filter screen (19) is slidably connected to the right end of the middle water pipe (2), a drain plug (20) is fixedly connected to the right end of the filter screen (19), a sealing cover plate (21) is integrally and fixedly connected to the right side of the drain plug (20), and the outer wall of the drain plug (20) is tightly attached to the inner wall of the middle water pipe (2).
3. The device for automatically controlling the flow rate of fluid according to claim 2, wherein the intermediate water delivery pipe (2) and the water supply pipe (3) are both fixedly connected with electromagnetic valves (22), the two electromagnetic valves (22) are both electrically connected with a control module fixedly connected to the support frame (1), and the control module is externally connected with a power supply.
4. The device for automatically controlling the flow rate of fluid according to claim 2, wherein a stirring driven gear (23) is rotatably connected to the right side of the sealing cover plate (21), a stirring driving gear (24) rotatably connected to the supporting frame (1) is meshed at the upper end of the stirring driven gear (23), and a stirring driven pulley (25) is coaxially and fixedly connected to the stirring driving gear (24);
the stirring driven gear (23) is coaxially and fixedly connected with a stirring rod (26) which is rotationally connected with the sealing cover plate (21) and the water drain valve (20);
go up raceway (4) right side and rotate and be connected with propeller blade (5), propeller blade (5) outside an organic whole fixed cover be equipped with stirring drive belt pulley (27), stirring drive belt pulley (27) with stirring driven pulley (25) pass through the belt and be connected.
5. The device for automatically controlling the flow rate of fluid according to claim 3, wherein a push-pull plate (28) is fixedly connected to the right end of the sealing cover plate (21), a push-pull lead screw (29) is fixedly connected to the left side of the push-pull plate (28), a rectangular limiting shaft (30) is fixedly connected to the left side of the push-pull lead screw (29), and the rectangular limiting shaft (30) is slidably connected with the support frame (1);
the push-pull screw rod (29) is coaxially connected with a push-pull threaded sleeve (31) in a matched mode and rotatably connected to the support frame (1), a push-pull driven belt pulley (32) is coaxially and fixedly connected to the push-pull threaded sleeve (31), the push-pull driven belt pulley (32) is connected with a push-pull driving belt pulley (33) rotatably connected to the support frame (1) through a belt, and the push-pull driving belt pulley (33) is connected with a driving motor (34) fixedly connected to the support frame (1).
6. The device for automatically controlling the flow rate of fluid according to claim 5, wherein the right end of the support frame (1) is fixedly connected with a sundries collecting box (35) positioned at the lower end of the middle water conveying pipe (2);
the left end of the filter screen (19) is fixedly connected with a flow velocity sensor, and the flow velocity sensor is connected with the control module.
7. The device for automatically controlling the flow rate of fluid according to claim 6, wherein an operation panel (36) is fixedly connected to the support frame (1), the control module is fixedly connected to the operation panel (36), and a display screen (37) and an operation button (38) are fixedly connected to the operation panel (36);
the electromagnetic valve (22), the driving motor (34) and the flow rate sensor are electrically connected with the operation panel (36).
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| CN201911133843.8A CN110762238B (en) | 2019-11-19 | 2019-11-19 | Automatic fluid flow rate control device |
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| CN110762238B (en) | 2021-05-04 |
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