阅读说明：本技术 自动化控制流体流速装置 (Automatic fluid flow rate control device ) 是由 常瑞 白磊 徐燕 于 2019-11-19 设计创作，主要内容包括：本发明涉及自动化控制流体流速装置,有效的解决了现有的流体流速控制过程中需要人工进行调节、调节过程不准确、在对流速控制的过程中不能实现实时自主控制以及阀门被杂物堵塞的问题；其解决的技术方案是包括支撑架、中间输水管、上输水管,上输水管内转动连接有位于中间输水管上端口右侧的螺旋桨叶,螺旋桨叶同轴固定连接有曲柄驱动齿轮,曲柄驱动齿轮旁啮合有与支撑架转动连接的曲柄从动齿轮,曲柄从动齿轮同轴固定连接有位于上输水管左侧的曲柄驱动皮带轮,曲柄驱动皮带轮和同轴转动连接在上输水管左端的曲柄从动皮带轮通过皮带连接；本发明结构简洁,实用性强。(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.)

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).

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.