CN104963838A - External diaphragm type strong self-suction device - Google Patents
External diaphragm type strong self-suction device Download PDFInfo
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- CN104963838A CN104963838A CN201510414302.8A CN201510414302A CN104963838A CN 104963838 A CN104963838 A CN 104963838A CN 201510414302 A CN201510414302 A CN 201510414302A CN 104963838 A CN104963838 A CN 104963838A
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- pressing plate
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- 238000007789 sealing Methods 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 84
- 238000003825 pressing Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 15
- 239000005435 mesosphere Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 230000037452 priming Effects 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
The invention discloses an external diaphragm type strong self-suction device. A rack is of a three-layer steel frame structure; a bearing box is arranged on the upper layer of the rack, shaft holes are formed in the centers of the left and right sides of the bearing box respectively, and a transmission shaft is installed on the shaft holes; a motor is arranged in the front of the middle layer of the rack, and a water storage tank is arranged at the back of the middle layer of the rack; the center of the transmission shaft and the center of a motor output shaft are located in the same center line; a lower cover is arranged at the top of the bearing box, an upper cover is arranged above the lower cover, a diaphragm A is arranged between the lower cover and the upper cover, and a pipe opening in the top of the upper cover is connected with a solenoid valve A and a connecting hose B through a tee joint; the connecting hose B is communicated with the water storage tank through a solenoid valve B and a connecting hose C in sequence. The external diaphragm type strong self-suction device is extremely high in self-suction capacity and self-suction speed, reliable in sealing performance, short in working time, capable of being used in cooperation with all common horizontal centrifugal pumps and convenient and easy to install, the service life of the device is prolonged, self-suction can be achieved without pump priming, and no anti-freezing measure is needed.
Description
Technical field
The invention belongs to centrifugal pump technical field, in particular to a kind of externally-arranged type diaphragm type strong self-suction device, can support the use with general conventional centrifugal pump, fed sheet of a media can be drunk up from liquid storage tank and transfer out when not needing pump priming, its maximum suction lift can reach 8 meters, be widely used in the fields such as oil field, petrochemical industry, refinery, metallurgy, mine, power station, sewage treatment do not need to fill with the conveying of liquid energy self-priming clean or slightly pollute, chemically neutral or mordant liquid, be the best desirable conveying equipment with strong self-priming performance.
Background technique
The centrifugal pump that the fields such as current oil field, petrochemical industry, refinery, metallurgy, mine, power station, sewage treatment generally use: in horizontal pump a part of pump do not possess self-absorption function or self-priming performance less and onsite application requirement can not be met, the pump operation stability that under cumbersome, the liquid of vertical submerged pump installation and maintenance maintenance, the degree of depth is darker and reliability are again less than guarantee, have a strong impact on personal safety, even can produce other serious consequences inconceivable.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, there is provided a kind of externally-arranged type, diaphragm type, strong self-priming vacuum system, can overcome general conventional centrifugal pump well can not self-priming or the poor usage requirement that cannot meet the higher operating mode of on-the-spot suction lift of self-priming pump self-priming performance.
The object of the present invention is achieved like this: a kind of externally-arranged type diaphragm type strong self-suction device, comprise frame, it is characterized in that: described frame is Compound Steel shelf structure, the lower installation board of its mid frame and middle mounting plate form the mesosphere of frame, and the upper mounting plate of frame and middle mounting plate form the upper strata of frame; Frame upper strata is provided with bearing housing, and the center of the bearing housing left and right sides is provided with axis hole, and axis hole is provided with transmission shaft; The front portion in frame mesosphere is provided with motor, and the rear portion in frame mesosphere is provided with water storage box; The center of transmission shaft and the center of motor output shaft are on same center line; The top of bearing housing is provided with lower cover, and the top of lower cover is provided with upper cover, is provided with barrier film A between lower cover and upper cover, and the mouth of pipe of upper tops is connected with solenoid valve A, connecting hose B respectively by threeway; Connecting hose B is communicated with water storage box by solenoid valve B, connecting hose C successively, is connected below water storage box by connecting hose A with the interface on common horizontal centrifugal pump inlet position.
The front of described bearing housing is provided with bearing housing side cover, and transmission shaft is six sections of multidiameter shafts, and the axle of transmission shaft left end is provided with bearing A, bearing gland A, dust pan, driven pulley from right to left successively; The axle of transmission shaft right-hand member is from left to right provided with eccentric bushing, bearing spacer, bearing C, round nut successively, and eccentric bushing is arranged in the hole below connecting rod by the bearing B of small end outer ring, is provided with U-shaped fork above connecting rod; The right side of bearing housing is provided with bearing gland B; The bottom of bearing housing is provided with oil-draining locknut; The center of described lower cover is provided with pitman shaft, pitman shaft is five sections of multidiameter shafts, pitman shaft is disposed with connecting rod shaft section, sealing shaft part from top to bottom, barrier film connects shaft part, barrier film pressing plate connects shaft part, locking shaft part, passes through pinned connection in the U-shaped fork that connecting rod shaft section is arranged on connecting rod; Be provided with some groups of fillers between the inner hole wall of sealing shaft part and lower cover, filler is compressed by Gland; The endoporus step place that barrier film connects shaft part and lower cover is provided with barrier film B, and barrier film B is compressed by barrier film pressing plate B; The outer ring that barrier film pressing plate connects shaft part is provided with barrier film pressing plate A, and the outer ring of barrier film pressing plate A is provided with barrier film A, and the left side of barrier film pressing plate A is provided with sealing skin gate seat B, is provided with sealing skin door B and pins with anti-turn screw in sealing skin gate seat B; Locking shaft part outer ring is disposed with pitman shaft locking nut, locking nut retaining pressing plate from inside to outside, and locking nut retaining pressing plate compresses barrier film pressing plate A by pitman shaft locking nut; Step surface on the right side of lower cover outer ring is provided with sealing skin gate seat C, is provided with sealing skin door C in sealing skin gate seat C and pins with anti-turn screw.
The step surface of described upper cover endoporus is provided with sealing skin gate seat A, is provided with sealing skin door A in sealing skin gate seat A and pins with anti-turn screw.
The output shaft of described motor is provided with motor pulley, and motor pulley is connected with driven pulley by drivign belt, after motor switches on power, motor pulley drives driven pulley motion by drivign belt, driven pulley drives transmission shaft and eccentric bushing to rotate, eccentric bushing rotates and connecting rod drivening rod axle is done, lower to-and-fro motion, the motion of pitman shaft drives barrier film A, on barrier film B does in the confined space of upper cover and lower cover, move back and forth continuously down: when pitman shaft moves down, barrier film A moves down together with barrier film pressing plate A simultaneously, spatial volume between upper cover and barrier film A increases, corresponding sealing skin door A is opened by connecting hose B, gas in pump inlet pipeline sucks out by connecting hose C and connecting hose A, spatial volume simultaneously between lower cover and barrier film A reduces, corresponding sealing skin door B closes, sealing skin door C opens Exhaust Gas, when pitman shaft up moves, barrier film A up moves together with barrier film pressing plate A, spatial volume between upper cover and barrier film A reduces, corresponding sealing skin door A closes, spatial volume simultaneously between lower cover and barrier film A increases, corresponding sealing skin door B is opened, and the gas between upper cover and barrier film A enters in the space between lower cover and barrier film A, seals skin door C simultaneously and closes, pitman shaft constantly does upper and lower to-and-fro motion, continuously air-breathing seals gas to sealing skin door A, sealing skin door B continuously seals gas exhaust, sealing skin door C is continuously vented envelope gas, make the air in supporting centrifugal pump inlet pipeline and in pump chamber continuously empty by suction, in liquid storage tank, liquid is inhaled in pump chamber simultaneously, now the automatic control linked system of pump is automatically closed strong self-suction device, is opened main pump power initiation pump operation, drunk up from liquid storage tank by fed sheet of a media and transfer out, the ability of its strong self-priming can reach the height of rice.
Suction capacity of the present invention is extremely strong, and sealability is reliable, and suction lift is more than the twice of general self-priming pump; Self-priming speed is exceedingly fast, and self-priming speed, at 0 ~ 30 second, is more than 20 times of general self-priming pump; Operating time is short, thus extends the working life of device widely; Intelligent intensity is high, can automatically realize high liquid level and open pump, low liquid level termination of pumping function, thus realize left unguarded operation according to the height of liquid level in pond; Versatility is extremely strong, all can be able to support the use with all common horizontal centrifugal pumps; Simply easy for installation, basic Meteorological is very little, gets final product self-priming without the need to pump priming, and also without the need to adopting antifreezing measure, well head can be adopted to install, very applicable outdoor study is installed and used, and applies and has good economic and social benefit.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention.
Fig. 2 is right elevation of the present invention.
Fig. 3 is the local A enlarged view of Fig. 1.
In figure: 1. seal skin door A; 2. upper cover; 3. barrier film pressing plate A; 4. barrier film A; 5. lower cover; 6. seal skin door B; 7. barrier film B; 8. driven pulley; 9. bearing gland A; 10. transmission shaft; 11. dust pans, 12. bearing A; 13. bearing housings; 14. drivign belts; 15. motor pulleys; 16. motors; 17. frames; 18. connecting hose A; 19. connecting rods; 20. bearing B; 21. eccentric bushings; 22. bearing spacers; 23. bearing C; 24. bearing gland B; 25. round nuts; 26. bearing pins; 27. pitman shafts; 28. fillers; 29. Glands; 30. sealing skin door C; 31. barrier film pressing plate B; 32. pitman shaft locking nuts; 33. locking nut retaining pressing plates; 34. sealing skin gate seat A; 35. solenoid valve A; 36. connecting hose B; 37. sealing skin gate seat B; 38. sealing skin gate seat C; 39. solenoid valve B; 40. bearing housing side covers; 41. connecting hose C; 42. water storage boxs.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but not as limitation of the present invention:
A kind of externally-arranged type diaphragm type strong self-suction device, comprise frame 17, it is characterized in that: described frame 17 is Compound Steel shelf structure, the lower installation board of its mid frame 17 and middle mounting plate form the mesosphere of frame 17, and the upper mounting plate of frame 17 and middle mounting plate form the upper strata of frame 17; Frame 17 upper strata is provided with bearing housing 13, and the center of bearing housing 13 left and right sides is provided with axis hole, axis hole is provided with transmission shaft 10; The front portion in frame 17 mesosphere is provided with motor 16, and the rear portion in frame 17 mesosphere is provided with water storage box 42; The center of transmission shaft 10 and the center of motor 16 output shaft are on same center line; The top of bearing housing 13 is provided with lower cover 5, and the top of lower cover 5 is provided with upper cover 2, is provided with barrier film A4 between lower cover 5 and upper cover 2, and the mouth of pipe at upper cover 2 top is connected with solenoid valve A35, connecting hose B36 respectively by threeway; Connecting hose B36 is communicated with water storage box 42 by solenoid valve B39, connecting hose C41 successively, is connected below water storage box 42 by connecting hose A18 with the interface on common horizontal centrifugal pump inlet position; The front of described bearing housing 13 is provided with bearing housing side cover 40, and transmission shaft 10 is six sections of multidiameter shafts, and the axle of transmission shaft 10 left end is provided with bearing A12, bearing gland A9, dust pan 11, driven pulley 8 from right to left successively; The axle of transmission shaft 10 right-hand member is from left to right provided with eccentric bushing 21, bearing spacer 22, bearing C23, round nut 25 successively, and eccentric bushing 21 is arranged in the hole below connecting rod 19 by the bearing B20 of small end outer ring, is provided with U-shaped fork above connecting rod 19; The right side of bearing housing 13 is provided with bearing gland B24; The bottom of bearing housing 13 is provided with oil-draining locknut; The center of described lower cover 5 is provided with pitman shaft 27, pitman shaft 27 is five sections of multidiameter shafts, pitman shaft 27 is disposed with connecting rod shaft section, sealing shaft part from top to bottom, barrier film connects shaft part, barrier film pressing plate connects shaft part, locking shaft part, is connected in the U-shaped fork that connecting rod shaft section is arranged on connecting rod 19 by bearing pin 26; Be provided with some groups of fillers 28 between the inner hole wall of sealing shaft part and lower cover 5, filler 28 is compressed by Gland 29; The endoporus step place that barrier film connects shaft part and lower cover 5 is provided with barrier film B7, and barrier film B7 is compressed by barrier film pressing plate B31; The outer ring that barrier film pressing plate connects shaft part is provided with barrier film pressing plate A3, and the outer ring of barrier film pressing plate A3 is provided with barrier film A4, and the left side of barrier film pressing plate A3 is provided with sealing skin gate seat B37, is provided with sealing skin door B6 and pins with anti-turn screw in sealing skin gate seat B37; Locking shaft part outer ring is disposed with pitman shaft locking nut 32, locking nut retaining pressing plate 33 from inside to outside, and locking nut retaining pressing plate 33 compresses barrier film pressing plate A3 by pitman shaft locking nut 32; Step surface on the right side of lower cover 5 outer ring is provided with sealing skin gate seat C38, is provided with sealing skin door C30 in sealing skin gate seat C38 and pins with anti-turn screw; The step surface of described upper cover 2 endoporus is provided with sealing skin gate seat A34, is provided with sealing skin door A1 in sealing skin gate seat A34 and pins with anti-turn screw; The output shaft of described motor 16 is provided with motor pulley 15, and motor pulley 15 is connected with driven pulley 8 by drivign belt 14.
During concrete enforcement, 1), transmission shaft 10 is put into bearing housing 13, lock with round nut 25 after transmission shaft 10 loads onto eccentric bushing 21, bearing B20, connecting rod 19, bearing spacer 22 and bearing C23 successively; 2), bearing C23 is loaded in the right-hand axis bearing bore of bearing housing 13, then use screw fastening by bearing gland B24 compression simultaneously; 3), in the left side of transmission shaft 10 load bearing A12, be loaded on bearing gland A9 and use screw fastening on bearing housing 13; 4) dust pan 11 and driven pulley 8, is loaded onto; 5), pitman shaft 27 is connected with eccentric bushing 21 bearing pin 26; 6), will seal in skin gate seat A34 loading upper cover 2, and load onto sealing skin door A1 and pin with anti-turn screw; 7), seal skin gate seat B37 loading barrier film pressing plate A3, load onto sealing skin door B6 and pin with anti-turn screw; 8), seal in skin gate seat C38 loading lower cover 5, load onto sealing skin door C30 and pin with anti-turn screw; 9), by lower cover 5 be inserted in pitman shaft 27, the lower end surface of lower cover 5 coordinates with the end face of bearing housing 13 and uses screw fastening; 10), by some composing type fillers 28 to be enclosed within pitman shaft 27 and to load in the Seal cage of lower cover 5, equipped Gland 29 with screw fastening; 11), load onto barrier film B7, join barrier film pressing plate B31 screw fastening; 12) after, by barrier film A4 being contained in the top barrier film pressing plate A3 compression of lower cover 5, then use pitman shaft locking nut 32 fastening, simultaneously equipped upper locking nut retaining pressing plate 33; 13), with screw, upper cover 2 is connected fastening with lower cover 5; 14), bearing housing side cover 40 to be connected with bearing housing 13 with screw and fastening; 15), bearing housing 13 and upper and lower cover builtup member are contained in above the mounting plate in the middle of frame 17, the motor 16 that motor pulley 15 is housed is contained in below the mounting plate in the middle of frame 17, drivign belt 14 is loaded onto between two belt pulleys, be fixed on by water storage box 42 on the frame side at motor 16 rear, the below of water storage box 42 is connected with the interface on common horizontal centrifugal pump inlet position by connecting hose A18; 16), at the top of upper cover 2 load onto a threeway, solenoid valve A35 is loaded onto in one end of threeway, and the other end is equipped with connecting hose B36, solenoid valve B39 and connecting hose C41 successively, and last and water storage box 42 is connected.
During work, after motor 16 switches on power, motor pulley 15 drives driven pulley 8 to move by drivign belt 14, driven pulley 8 drives transmission shaft 10 and eccentric bushing 21 to rotate, eccentric bushing 21 rotates and connecting rod 19 drivening rod axle 27 is done, lower to-and-fro motion, the motion of pitman shaft 27 drives barrier film A4, on barrier film B7 does in the confined space of upper cover 2 and lower cover 5, move back and forth continuously down: when pitman shaft 27 moves down, barrier film A4 moves down together with barrier film pressing plate A3 simultaneously, spatial volume between upper cover 2 and barrier film A4 increases, corresponding sealing skin door A1 is opened by connecting hose B36, gas in pump inlet pipeline sucks out by connecting hose C41 and connecting hose A18, spatial volume simultaneously between lower cover 5 and barrier film A4 reduces, corresponding sealing skin door B6 closes, sealing skin door C30 opens Exhaust Gas, when pitman shaft 27 up moves, barrier film A4 up moves together with barrier film pressing plate A3, spatial volume between upper cover 2 and barrier film A4 reduces, corresponding sealing skin door A1 closes, spatial volume simultaneously between lower cover 5 and barrier film A4 increases, corresponding sealing skin door B6 is opened, and the gas between upper cover 2 and barrier film A4 enters in the space between lower cover 5 and barrier film A4, seals skin door C30 simultaneously and closes, on pitman shaft 27 is constantly done, lower to-and-fro motion, sealing skin door A1 continuously air-breathing envelope gas, sealing skin door B6 continuously seals gas exhaust, sealing skin door C30 is continuously vented envelope gas, make the air in supporting centrifugal pump inlet pipeline and in pump chamber continuously empty by suction, in liquid storage tank, liquid is inhaled in pump chamber simultaneously, now the automatic control linked system of pump closes strong self-suction device automatically, open main pump power initiation pump operation, fed sheet of a media is drunk up from liquid storage tank and transfers out, the ability of its strong self-priming can reach the height of 8 meters.
The design of this kind of externally-arranged type diaphragm type strong self-suction device has the feature of following several respects:
1. suction capacity is extremely strong, this device is diaphragm type structure, and vacuum capability is strong and fast, and sealability is reliable, after common horizontal centrifugal pump this kind of externally-arranged type diaphragm type strong self-suction device supporting, suction lift can reach 8 meters, and suction lift is more than the twice of general self-priming pump;
2. self-priming speed is exceedingly fast, and this device is diaphragm type structure, and vacuum capability is strong and fast, sealability is reliable, pressing after start button pump can water outlet, and self-priming speed, at 0 ~ 30 second, is more than 20 times (self-priming time of general self-priming pump is 3 ~ 6 minutes) of general self-priming pump;
3. long service life, because this device is intelligent self-priming apparatus, in pump inlet pipeline air suction terminate after device can automatically quit work, the operating time is short, thus extends the working life of device widely;
4. intelligent intensity is high, this device is intelligent self-priming apparatus, is furnished with intelligentized electric control cabinet, as long as press auto-start button, just can realize exhaust, imbibition, open a series of actions such as pump operation, supporting high and low liquid-level auto-control device, can automatically realize high liquid level according to the height of liquid level in pond and open pump, low liquid level termination of pumping function, thus realize left unguarded operation simultaneously;
5. versatility is extremely strong, and this device all can be able to support the use with all common horizontal centrifugal pumps, makes all common horizontal centrifugal pumps all can become the Strong self priming pump with strong self-absorption function;
6. simply easy for installation, basic Meteorological is very little, gets final product self-priming without the need to pump priming, and also without the need to adopting antifreezing measure, well head can be adopted to install, very applicable outdoor study is installed and used.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and the restriction not to mode of execution.For those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here exhaustive without the need to also giving all mode of executions, and thus the apparent change of amplifying out or variation be still among protection scope of the present invention.
Claims (4)
1. an externally-arranged type diaphragm type strong self-suction device, comprise frame (17), it is characterized in that: described frame (17) is Compound Steel shelf structure, the lower installation board of its mid frame (17) and middle mounting plate form the mesosphere of frame (17), and the upper mounting plate of frame (17) and middle mounting plate form the upper strata of frame (17); Frame (17) upper strata is provided with bearing housing (13), and the center of bearing housing (13) left and right sides is provided with axis hole, axis hole is provided with transmission shaft (10); The front portion in frame (17) mesosphere is provided with motor (16), and the rear portion in frame (17) mesosphere is provided with water storage box (42); The center of transmission shaft (10) and the center of motor (16) output shaft are on same center line; The top of bearing housing (13) is provided with lower cover (5), the top of lower cover (5) is provided with upper cover (2), be provided with barrier film A(4 between lower cover (5) and upper cover (2)), the mouth of pipe at upper cover (2) top by threeway respectively with solenoid valve A(35), connecting hose B(36) be connected; Connecting hose B(36) successively by solenoid valve B(39), connecting hose C(41) is communicated with water storage box (42), pass through connecting hose A(18 below water storage box (42)) be connected with the interface on common horizontal centrifugal pump inlet position.
2. a kind of externally-arranged type diaphragm type strong self-suction device according to claim 1, it is characterized in that: the front of described bearing housing (13) is provided with bearing housing side cover (40), transmission shaft (10) is six sections of multidiameter shafts, and the axle of transmission shaft (10) left end is provided with bearing A(12 from right to left successively), bearing gland A(9), dust pan (11), driven pulley (8); The axle of transmission shaft (10) right-hand member is from left to right provided with successively eccentric bushing (21), bearing spacer (22), bearing C(23), round nut (25), eccentric bushing (21) is by the bearing B(20 of small end outer ring) be arranged in the hole of connecting rod (19) below, connecting rod (19) top is provided with U-shaped fork; The right side of bearing housing (13) is provided with bearing gland B(24); The bottom of bearing housing (13) is provided with oil-draining locknut; The center of described lower cover (5) is provided with pitman shaft (27), pitman shaft (27) is five sections of multidiameter shafts, pitman shaft (27) is disposed with connecting rod shaft section, sealing shaft part from top to bottom, barrier film connects shaft part, barrier film pressing plate connects shaft part, locking shaft part, is connected in the U-shaped fork that connecting rod shaft section is arranged on connecting rod (19) by bearing pin (26); Be provided with some groups of fillers (28) between the inner hole wall of sealing shaft part and lower cover (5), filler (28) is compressed by Gland (29); The endoporus step place that barrier film connects shaft part and lower cover (5) is provided with barrier film B(7), barrier film B(7) by barrier film pressing plate B(31) compress; The outer ring that barrier film pressing plate connects shaft part is provided with barrier film pressing plate A(3), barrier film pressing plate A(3) outer ring be provided with barrier film A(4), barrier film pressing plate A(3) left side be provided with sealing skin gate seat B(37), sealing skin gate seat B(37) in be provided with sealing skin door B(6) and to pin with anti-turn screw; Locking shaft part outer ring is disposed with pitman shaft locking nut (32), locking nut retaining pressing plate (33) from inside to outside, and locking nut retaining pressing plate (33) compresses barrier film pressing plate A(3 by pitman shaft locking nut (32)); Step surface on the right side of lower cover (5) outer ring is provided with sealing skin gate seat C(38), sealing skin gate seat C(38) in be provided with sealing skin door C(30) and to pin with anti-turn screw.
3. a kind of externally-arranged type diaphragm type strong self-suction device according to claim 1, it is characterized in that: the step surface of described upper cover (2) endoporus is provided with sealing skin gate seat A(34), sealing skin gate seat A(34) in be provided with sealing skin door A(1) and to pin with anti-turn screw.
4. a kind of externally-arranged type diaphragm type strong self-suction device according to claim 1 or 2 or 3, it is characterized in that: the output shaft of described motor (16) is provided with motor pulley (15), and motor pulley (15) is connected with driven pulley (8) by drivign belt (14), after motor (16) switches on power, motor pulley (15) drives driven pulley (8) motion by drivign belt (14), driven pulley (8) drives transmission shaft (10) and eccentric bushing (21) to rotate, eccentric bushing (21) rotates and makes on connecting rod (19) drivening rod axle (27) work, lower to-and-fro motion, the motion of pitman shaft (27) drives barrier film A(4), barrier film B(7) do in the confined space of upper cover (2) and lower cover (5), move back and forth continuously down: when pitman shaft (27) moves down, barrier film A(4) together with barrier film pressing plate A(3) move down simultaneously, upper cover (2) and barrier film A(4) between spatial volume increase, corresponding sealing skin door A(1) be opened by connecting hose B(36), connecting hose C(41) and connecting hose A(18) gas in pump inlet pipeline is sucked out, simultaneously lower cover (5) and barrier film A(4) between spatial volume reduce, corresponding sealing skin door B(6) close, sealing skin door C(30) open Exhaust Gas, when pitman shaft (27) up moves, barrier film A(4) together with barrier film pressing plate A(3) up move, upper cover (2) and barrier film A(4) between spatial volume reduce, corresponding sealing skin door A(1) close, simultaneously lower cover (5) and barrier film A(4) between spatial volume increase, corresponding sealing skin door B(6) be opened, upper cover (2) and barrier film A(4) between gas enter lower cover (5) and barrier film A(4) between space in, sealing skin door C(30 simultaneously) closed, on pitman shaft (27) is constantly done, lower to-and-fro motion, sealing skin door A(1) continuously air-breathing envelope gas, sealing skin door B(6) continuously seal gas exhaust, sealing skin door C(30) continuously exhaust envelope gas, make the air in supporting centrifugal pump inlet pipeline and in pump chamber continuously empty by suction, in liquid storage tank, liquid is inhaled in pump chamber simultaneously, now the automatic control linked system of pump closes strong self-suction device automatically, open main pump power initiation pump operation, fed sheet of a media is drunk up from liquid storage tank and transfers out, the ability of its strong self-priming can reach the height of 8 meters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510414302.8A CN104963838B (en) | 2015-07-15 | 2015-07-15 | External diaphragm type strong self-suction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510414302.8A CN104963838B (en) | 2015-07-15 | 2015-07-15 | External diaphragm type strong self-suction device |
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| CN104963838A true CN104963838A (en) | 2015-10-07 |
| CN104963838B CN104963838B (en) | 2017-02-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612656A (en) * | 2018-06-08 | 2018-10-02 | 安徽阿莫斯泵业有限公司 | A kind of parasitic type auxiliary self-priming vacuum pump |
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| US20090053049A1 (en) * | 2007-08-22 | 2009-02-26 | Buell Steven E | Self priming centrifugal pump |
| CN203051079U (en) * | 2012-12-12 | 2013-07-10 | 江阴同创体育机械有限公司 | Diaphragm pump transmission device |
| JP2014196709A (en) * | 2013-03-29 | 2014-10-16 | 株式会社荏原製作所 | Operating device for self-priming pump, liquid supplying device and operating method for self-priming pump |
| CN103821730A (en) * | 2014-02-26 | 2014-05-28 | 崔正军 | Novel chemical engineering self-priming pump |
| CN204851609U (en) * | 2015-07-15 | 2015-12-09 | 江苏海天泵阀制造有限公司 | External type diaphragm type is strong from inhaling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612656A (en) * | 2018-06-08 | 2018-10-02 | 安徽阿莫斯泵业有限公司 | A kind of parasitic type auxiliary self-priming vacuum pump |
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