CN204755277U - Valve accuse diaphragm type mud delivery pump - Google Patents

Abstract

The utility model relates to a valve accuse diaphragm type mud delivery pump, it includes driving motor, two diaphragm type jars body and cam drive mechanism, two internal diaphragms of diaphragm type jar are connected at the central connecting rod of bent axle through installing, and two diaphragm type jars bodies have a material import and a material export respectively, and feeding check valve of tube coupling is passed through respectively in two material imports, and two materials exports are respectively through ejection of compact check valve of tube coupling, the other end of two feeding check valves respectively through the tube coupling reconnection combined feed pipe of being in the same place, the other end of two ejection of compact check valves respectively through the tube coupling total discharging pipe of reconnection of being in the same place, the utility model discloses simple structure, low in cost, one -way valves pass through cam transmission mechanism and automatic switch, and the card of the check valve when effectively having solved this type of slush pump and carrying is died, winding, feed back scheduling problem, has reduced the fault rate, has improved reliability, the adaptability of equipment and has synthesized efficiency.

Description

A kind of valve control diaphragm type slurry transportation pump

Technical field

The utility model relates to a kind of slurry pump, is specifically related to a kind of valve control diaphragm type slurry transportation pump, belongs to mechanical field.

Background technique

Diaphragm type slurry pump at present for high concentration, the conveying of impure serum materials generally adopts ball valve or spring reset one-way valve, and the feature of this type of valve does not need to control, and by suction, the thrust opening and closing of pump self, structure is simple, cheap.Shortcoming is; material concentration is large, impurity is many, under the irregular condition of particulate matter; unlatching due to one-way valve relies on the pull of vacuum of pump self and automatic open-close; so; the degree of vacuum that spool aperture size may be formed by valve body self resistance and the pump housing determines; often aperture is less, and running into large particle can by spool jam, and making it can not normal reset.Run into long fiberous material, also there will be the situation of stuck spool, make it to deviate from card valve state.Therefore, the diaphragm pump that this kind of valve controls, very responsive to the granularity in slurry, there is strict restriction.

Summary of the invention

For the deficiency of above technology, the utility model provides a kind of valve control diaphragm type slurry transportation pump.The one-way valve of this pump is by barrier film driving mechanism, its switch is synchronously driven by cam drive, and the large I of aperture designs according to service condition, thoroughly overcome the defect of particulate matter, the stuck spool of fiberous material, efficiently solve the problem such as spool jam, winding, feed back during mass transport, improve working efficiency and the Applicable scope of equipment.

The utility model realizes with following technological scheme: a kind of valve control diaphragm type slurry transportation pump, is characterized in that: it comprises drive motor, two diaphragm type tank bodies, combined feed pipe, total discharge nozzle, two feed check valves, two discharging one-way valves and cam drives; Barrier film in two described diaphragm type tank bodies is connected by the connecting rod being arranged on bent axle central authorities, two diaphragm type tank bodies have a material inlet and a material outlet respectively, two material inlets connect a feed check valve respectively by pipeline, and two material outlets connect a discharging one-way valve respectively by pipeline; The other end of two described feed check valves links together respectively by pipeline and connects combined feed pipe again, and the other end of two described discharging one-way valves links together respectively by pipeline and connects total discharge nozzle again; One end of described crank connects drive motor, and the other end connects cone gear I; Described cam drive comprises: cone gear I, bevel gear II, main shaft, four cams, four forks and dead axles; Described bevel gear II fixed cover, on main shaft, can drive main shaft to rotate, and engage each other transmission with cone gear I; Four described cams are separately fixed on main shaft, can follow main shaft and rotate; Four described forks are separately fixed on dead axle, can swing, and one end contact with the external frame of four cams respectively around dead axle, and the other end connects four one-way valves respectively by conduction chain.

Two described feed check valves and two discharging one-way valves all adopt force switch one-way valve, and rely on cam drive to control to open.

The external frame curve of four described cams, path arc angle is greater than large footpath arc angle.

Owing to adopting above technological scheme, the beneficial effects of the utility model are described valve control diaphragm type slurry transportation pumps, one-way valve group is controlled by the cam drive be connected with barrier film drive main spindle and realizes automatic forced switch, open amount can design according to applicable elements, solve the problem such as winding, jam during one-way valve conveying material, overcome the essential defect of common diaphragm pump, reduce rate of fault, improve reliability and Applicable scope.

Accompanying drawing explanation

Fig. 1 is structural representation sketch of the present utility model.

Fig. 2 is the structural representation sketch of cam drive.

In figure: 1, diaphragm type tank body I, 2, barrier film I, 3, 4, 5, 6, diaphragm type tank body II, 7, barrier film II, 8, material inlet II, 9, material outlet II, 10, main shaft, 11, cam D, 12, dead axle, 13, fork D, 14, feed check valve D15, cam C, 16, fork C, 17, discharging one-way valve C, 18, total discharge nozzle, 19, cone gear I, 20, bevel gear II, 21, combined feed pipe, 22, cam B, 23, fork B, 24, discharging one-way valve B, 25, feed check valve A, 26, fork A, 27, cam A, 28, material outlet I, 29, material inlet I, 30, conduction chain A, 31, conduction chain B, 32, conduction chain C, 33, conduction chain D.

Embodiment

A kind of valve control diaphragm type slurry transportation pump as depicted in figs. 1 and 2, it comprises drive motor 4, diaphragm type tank body I 1, diaphragm type tank body II 6, combined feed pipe 21, total discharge nozzle 18, feed check valve A25, feed check valve D14, discharging one-way valve B24, discharging one-way valve C17 and cam drive; Barrier film I 2 in described diaphragm type tank body I 1 is connected by the connecting rod 3 being arranged on bent axle 5 central authorities with the barrier film II 7 in diaphragm type tank body II 6, material inlet I 29, material outlet I 28 and material inlet II 8, material outlet II 9 is had respectively in diaphragm type tank body I 1 and diaphragm type tank body II 6, material inlet I 28 is connected feed check valve A25 and feed check valve D14 with material inlet II 8 respectively by pipeline, and material outlet I 28 is connected discharging one-way valve B24 and discharging one-way valve C17 with material outlet II 9 respectively by pipeline; The other end of described feed check valve A25 and feed check valve D14 links together respectively by pipeline and is connected combined feed pipe 21 again, and the other end of described discharging one-way valve B24 and discharging one-way valve C17 links together respectively by pipeline and is connected total discharging 18 again and manages; One end of described crank 5 connects drive motor 4, and the other end connects cone gear I 19; Described cam drive comprises: cone gear I 19, bevel gear II 20, main shaft 10, cam A27, cam B22, cam C15, cam D11, fork A26, fork B23, fork C16, fork D13 and dead axle 12; Described bevel gear II 20 fixed cover, on main shaft 10, can drive main shaft 10 to rotate, and engage each other transmission with cone gear I 19; Described cam A27, cam B22, cam C15, cam D11 are separately fixed on main shaft 10, can follow main shaft 10 and rotate; Described fork A26, fork B23, fork C16, fork D13 are separately fixed on dead axle 12, can swing around dead axle 12, and one end contacts with the external frame of cam A27, cam B22, cam C15, cam D11 respectively, the other end connects feed check valve A25, discharging one-way valve B24, discharging one-way valve C17 and feed check valve D14 respectively by conduction chain A30, conduction chain B31, conduction chain C32, conduction chain D33.

Described feed check valve A25, discharging one-way valve B24, discharging one-way valve C17 and feed check valve D14 all adopt force switch one-way valve, and this kind of one-way valve is applied for a patent by our company, and concrete number of patent application is: 201520150386.4.

The external frame curve of four described cams, path arc angle is greater than large through arc angle, thus the time that one-way valve is forced to open is short, and the time of naturally closing is long, the beneficial effect of such design is: the working efficiency that improve equipment, efficiently solves reflux problem during mass transport.

Working procedure is: the combined feed pipe 21 of valve control diaphragm type slurry transportation pump is placed in cesspool, drive motor 4 is with dynamic crankshaft 5 to rotate, afterwards cone gear I 19 and bevel gear II 20 by engaging each other transmission drive main shaft 10 to rotate, and cam A27, cam B22, cam C15 and cam D11 follow main shaft 10 and rotate; Control feed check valve A25 to open, discharging one-way valve B24 closes, and discharging one-way valve C17 opens, and feed check valve D14 closes; (when the large warp of cam contacts with fork, one-way valve is forced to open; When the path of cam contacts with fork, one-way valve is in nature closed condition); Bent axle 5 drives barrier film I 2 and barrier film II 7 to move by connecting rod 3, make to produce larger degree of vacuum in diaphragm type tank body I 1, thus mud is inhaled in diaphragm type tank body I 25 by feed check valve A25, meanwhile, in diaphragm type tank body II, the material of 6 is gone out by high-pressure delivery by discharging one-way valve C17; When diaphragm type tank body I 1 is full of material, in like manner, control feed check valve A25 and close, discharging one-way valve B24 opens, and discharging one-way valve C17 closes, and feed check valve D14 opens; Bent axle 5 drives barrier film I 2 and barrier film II 7 oppositely movement by connecting rod 3, make to produce larger degree of vacuum in diaphragm type tank body II 6, thus mud is inhaled in diaphragm type tank body II 6 by feed check valve D14, meanwhile, material in diaphragm type tank body I 1 is gone out by high-pressure delivery by discharging one-way valve B24, do action like this, can realize the continus convergence of slurry pump.

Claims (3)

1. a valve control diaphragm type slurry transportation pump, is characterized in that: it comprises drive motor, two diaphragm type tank bodies, combined feed pipe, total discharge nozzle, two feed check valves, two discharging one-way valves and cam drives; Barrier film in two described diaphragm type tank bodies is connected by the connecting rod being arranged on bent axle central authorities, two diaphragm type tank bodies have a material inlet and a material outlet respectively, two material inlets connect a feed check valve respectively by pipeline, and two material outlets connect a discharging one-way valve respectively by pipeline; The other end of two described feed check valves links together respectively by pipeline and connects combined feed pipe again, and the other end of two described discharging one-way valves links together respectively by pipeline and connects total discharge nozzle again; One end of described bent axle connects drive motor, and the other end connects cone gear I; Described cam drive comprises: cone gear I, bevel gear II, main shaft, four cams, four forks and dead axles; Described bevel gear II fixed cover, on main shaft, can drive main shaft to rotate, and engage each other transmission with cone gear I; Four described cams are separately fixed on main shaft, can follow main shaft and rotate; Four described forks are separately fixed on dead axle, can swing, and one end contact with the external frame of four cams respectively around dead axle, and the other end connects four one-way valves respectively by conduction chain.

2. a kind of valve control diaphragm type slurry transportation pump according to claim 1, is characterized in that: two described feed check valves and two discharging one-way valves all adopt force switch one-way valve, and relies on cam drive to control to open.

3. a kind of valve control diaphragm type slurry transportation pump according to claim 1, it is characterized in that: the external frame curve of four described cams, path arc angle is greater than large footpath arc angle.