CN113464446B

CN113464446B - Marine flow adjustable high-pressure horizontal single-stage peripheral pump

Info

Publication number: CN113464446B
Application number: CN202110834630.9A
Authority: CN
Inventors: 何国忠
Original assignee: Wuhu Changjiang Pump Industry Co ltd
Current assignee: Wuhu Changjiang Pump Industry Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-11-01
Anticipated expiration: 2041-07-23
Also published as: CN113464446A

Abstract

The invention discloses a marine flow-adjustable high-pressure horizontal single-stage vortex pump which comprises a pump body, wherein a pump cover is arranged on one side of the pump body, an organic sealing cover is arranged in the middle of one side of the pump body, a groove is formed in the inner side of the pump cover, a rotating shaft is arranged in the organic sealing cover, one side of the rotating shaft extends into the groove, an impeller is sleeved on one side of the outer side of the rotating shaft, an elastic washer for a shaft and a limiting ring are respectively sleeved on one side of the outer side of the rotating shaft, and the limiting ring and the organic sealing cover are mutually matched; according to the vortex pump, the water permeable holes between the fixed disc and the adjusting disc are communicated with each other, so that the flow is adjusted to be maximum, when the adjusting disc is driven by the mounting ring, the inner gear ring and the outer gear ring, the positions of the water permeable holes in the adjusting disc are changed, so that the flow of the pump body is adjusted, an operator can observe the flow of the vortex pump more visually through the pointer and the scale line on the outer side of the mounting ring, the operation efficiency is higher, and the operation is more direct.

Description

Marine flow adjustable high-pressure horizontal single-stage peripheral pump

Technical Field

The invention relates to the technical field of single-stage vortex pumps, in particular to a marine flow-adjustable high-pressure horizontal single-stage vortex pump.

Background

The vortex pump transfers kinetic energy to liquid by impulse in the liquid motion direction by the acting force of a rotating impeller to the liquid so as to realize the liquid transportation; the device is widely applied to pumping acid, alkali liquor, oils, rare noble liquid, venom and volatile liquid in units such as ships, chemical engineering, pharmacy, petroleum, electroplating, food, scientific research institutions, national defense industry and the like, and is matched with circulating water equipment, a filter and the like; the prior high-pressure horizontal single-stage vortex pump has the following disadvantages in the use process: 1. firstly, the existing vortex pumps lack corresponding flow regulation structures, and some of the existing vortex pumps need to be externally provided with additional valve bodies or relevant throttling devices for regulation, so that the existing vortex pumps are single in function and consume more purchase cost due to the additional installation; 2. when the peripheral pump is used initially, the external connection water pipe generates certain swing due to the flow of liquid, and the water flow transfer stability is low; 3. the injection of the lubricating oil in the vortex pump is difficult to accurately carry out relevant control.

Disclosure of Invention

The invention aims to provide a flow-adjustable high-pressure horizontal single-stage peripheral pump for a ship, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the pump comprises a pump body, wherein a pump cover is arranged on one side of the pump body, an organic sealing cover is arranged in the middle of one side of the pump body, a groove is formed in the inner side of the pump cover, a rotating shaft is arranged in the mechanical sealing cover, one side of the rotating shaft extends into the groove, an impeller is sleeved on one side of the outer side of the rotating shaft, an elastic washer for shaft and a limiting ring are respectively sleeved on one side of the outer side of the rotating shaft, the limiting ring and the mechanical sealing cover are mutually matched, one side of the pump body, far away from the pump cover, is connected with a bearing body through a bolt and a thread, an oil hole cover is arranged at the top of the bearing body, a bearing cover is arranged on one side of the bearing body, far away from the pump body, an O-shaped ring is arranged on one side of the bearing body, and a belt pulley is sleeved on one side of the outer side of the rotating shaft, far away from the pump cover;

the two ends of the top of the pump body are symmetrically provided with connecting pipes, the top of each connecting pipe is sleeved with an outer sleeve, the middle part of the inner side of each outer sleeve is provided with a fixed disc, the top of each outer sleeve is provided with a connector, the middle part of the outer side of each outer sleeve is provided with a sliding groove, the inside of each sliding groove is provided with a mounting ring, the top and the bottom of each mounting ring are provided with sliding blocks, the sliding blocks and the sliding grooves slide mutually, the inner side of each mounting ring is provided with an inner gear ring, the utility model discloses a bearing outer sleeve, including outer tube, ball and ring type slide rail, the inboard bottom of outer tube is provided with the ring type slide rail, be provided with the adjusting disk directly over the ring type slide rail, the outside of adjusting disk is provided with outer ring gear, the bilateral symmetry of outer ring gear bottom is provided with the support frame, and the inboard dead axle of support frame is connected with the ball, ball and ring type slide rail sliding connection, outer ring gear and ring gear intermeshing, the inside all evenly distributed of fixed disk and adjusting disk has the hole of permeating water.

Preferably, one side of the connecting joint is hinged with a hinged plate, one side of one end of the hinged plate is connected with an adjusting bolt through threads, and the hinged plate is connected with a clamping plate through threads of the adjusting bolt.

Preferably, the outside of collar all is provided with the scale indicating line, one side in the outer tube outside is provided with the pointer, and pointer and collar mutually support.

Preferably, the clamping plate is made of an arc-shaped structure, and rubber bumps are uniformly arranged on the inner side of the clamping plate.

Preferably, the bottom of the bearing body is provided with a base, and through holes are formed in two ends of two sides of the bottom of the base.

Preferably, one side of the outer side of the rotating shaft is uniformly provided with splines A, the rotating shaft is connected with the impeller splines through the splines A, one side of the outer side of the rotating shaft, which is far away from the pump cover, is provided with external threads, and the threads on the outer side of the rotating shaft are in threaded connection with round nuts.

Preferably, the bottom of the oil hole cover is provided with an oil rule.

Preferably, the middle part of the inner side of the bearing gland is provided with a framework oil seal, and the framework oil seal is made of rubber.

Preferably, one side of the outer side of the rotating shaft, which is far away from the pump cover, is uniformly provided with a spline B, and the rotating shaft is connected with a belt pulley spline through the spline B.

Preferably, a plug is arranged in the middle of the bottom of the pump body, and a rubber gasket is sleeved on the outer side of the plug.

Compared with the prior art, the invention provides a marine flow-adjustable high-pressure horizontal single-stage peripheral pump, which has the following beneficial effects:

1. according to the vortex pump, the water permeable holes between the fixed disc and the adjusting disc are communicated with each other, so that the flow is adjusted to the maximum, when the adjusting disc is driven by the mounting ring, the inner gear ring and the outer gear ring, the positions of the water permeable holes in the adjusting disc are changed, the flow of the pump body is adjusted, an operator can observe the flow of the vortex pump more visually through the pointer and the scale line on the outer side of the mounting ring, the operation efficiency is higher, and the operation is more direct.

2. The invention utilizes the mutual matching of the hinged plate, the adjusting bolt and the clamping plate, and the clamping plate is used for clamping the outside of the water pipe, so as to reduce the swing amplitude of the water pipe, ensure the normal transmission of water flow and relieve the shaking force during the transmission of the water flow.

3. According to the invention, liquid flows through the channel between the blades on the impeller repeatedly and repeatedly in the flow channel by means of the longitudinal vortex for multiple times, the lift is increased once when the liquid passes through the channel between the blades once, so that the effect of high lift is realized, the oil quantity of lubricating oil in the bearing body is judged through the oil hole cover according to the oil rule on the oil hole cover, and the lubricating oil is injected into the bearing body periodically, so that the relevant maintenance is carried out on the vortex pump, the long-time rotation of the rotating shaft is ensured, and the service life of the single-stage vortex pump is prolonged.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of a portion of the present invention;

FIG. 4 is an enlarged view of the invention at point A;

FIG. 5 is a schematic perspective view of the mounting ring and the inner gear ring of the present invention;

FIG. 6 is a schematic perspective view of the adjusting plate and the outer ring gear of the present invention;

figure 7 is a top view of the card of the present invention.

In the figure: 1. a pump body; 2. an impeller; 3. a groove; 4. a spline A; 5. a rotating shaft; 6. a pump cover; 7. an elastic washer for a shaft; 8. a base; 9. a round nut; 10. a spline B; 11. a belt pulley; 12. a bearing gland; 13. a bearing body; 14. an oil hole cover; 15. an O-shaped ring; 16. a mechanical seal gland; 17. a limiting ring; 18. a connecting pipe; 19. a connector; 20. a hinge plate; 21. adjusting the bolt; 22. clamping a plate; 23. fixing the disc; 24. an adjusting disk; 25. a pointer; 26. a slider; 27. a mounting ring; 28. a chute; 29. an outer sleeve; 30. an outer ring gear; 31. a support frame; 32. a ball bearing; 33. a ring-shaped slide rail; 34. and the inner gear ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a marine flow-adjustable high-pressure horizontal single-stage vortex pump comprises a pump body 1, wherein a pump cover 6 is arranged on one side of the pump body 1, a mechanical seal cover 16 is arranged in the middle of one side of the pump body 1, a groove 3 is formed in the inner side of the pump cover 6, a rotating shaft 5 is arranged in the mechanical seal cover 16, one side of the rotating shaft 5 extends into the groove 3, an impeller 2 is sleeved on one side of the outer side of the rotating shaft 5, an elastic washer 7 for a shaft and a limiting ring 17 are respectively sleeved on one side of the outer side of the rotating shaft 5, the limiting ring 17 is mutually matched with the mechanical seal cover 16, a bearing body 13 is connected to one side, away from the pump cover 6, of the pump body 1 through bolt threads, an oil hole cover 14 is arranged at the top of the bearing body 13, a bearing cover 12 is arranged on one side, away from the pump body 1, of the bearing body 13 is provided with an O-shaped ring 15, a belt pulley 11 is sleeved on one side, away from the pump cover 6, outside of the rotating shaft 5, and a driving part is required to drive the rotating shaft 5 to rotate;

the two ends of the top of the pump body 1 are symmetrically provided with the connecting pipes 18, the top of the connecting pipe 18 is sleeved with an outer sleeve 29, the middle of the inner side of the outer sleeve 29 is provided with a fixed disc 23, the top of the outer sleeve 29 is provided with a connecting head 19, the middle of the outer side of the outer sleeve 29 is provided with a sliding chute 28, the inside of the sliding chute 28 is provided with a mounting ring 27, the top and the bottom of the mounting ring 27 are provided with sliding blocks 26, the sliding blocks 26 and the sliding chutes 28 slide with each other, the inner side of the mounting ring 27 is provided with an inner gear ring 34, the bottom of the inner side of the outer sleeve 29 is provided with a ring-shaped sliding rail 33, an adjusting disc 24 is arranged right above the ring-shaped sliding rail 33, the outer gear ring 30 is arranged on the outer side of the adjusting disc 24, the two sides of the bottom of the outer gear ring 30 are symmetrically provided with supporting frames 31, the inner fixed shafts of the supporting frames 31 are connected with balls 32, the balls 32 are connected with the ring-shaped sliding rails 33 in a sliding manner, the vertical direction of the outer gear ring 30 and the adjusting disc 24 is limited, the adjusting disc 24 can rotate, the outer gear ring 30 is meshed with the inner gear ring 34, and water permeable holes are uniformly distributed in the fixed disc 23 and the adjusting disc 24.

As a preferable embodiment of the present embodiment: one side of connector 19 all articulates there is articulated plate 20, and threaded connection has adjusting bolt 21 in one side of articulated plate 20 one end, and articulated plate 20 has cardboard 22 through adjusting bolt 21 threaded connection, carries out the block through cardboard 22 to the outside of water pipe to reduce the amplitude of fluctuation of water pipe, guarantee the normal transmission of rivers, the power of trembling when alleviating the rivers transmission.

As a preferable aspect of the present embodiment: the outer side of the mounting ring 27 is provided with scale indicating lines, one side of the outer sleeve 29 is provided with a pointer 25, and the pointer 25 and the mounting ring 27 are matched with each other.

As a preferable embodiment of the present embodiment: cardboard 22 is made by the arc type structure, and the inboard of cardboard 22 evenly is provided with the rubber bump, with be connected the water pipe contact, avoids the water pipe shake in-process simultaneously, causes scraping, wearing and tearing to the pipeline outer wall.

As a preferable embodiment of the present embodiment: the bottom of bearing body 13 is provided with base 8, and the both ends of 8 bottom both sides of base have all seted up the through-hole to fixed mounting is carried out the position of volute pump in order to.

As a preferable embodiment of the present embodiment: one side in the 5 outsides of pivot evenly is provided with spline A4, and pivot 5 is through spline A4 and impeller 2 spline hookup, improves the guidance quality between pivot 5 and the impeller 2, and one side that pump cover 6 was kept away from in the 5 outsides of pivot is provided with the external screw thread, and the screw thread department threaded connection in the 5 outsides of pivot has round nut 9, is fixed in the outside of pivot 5 with belt pulley 11 through round nut 9 to realize the connection of the two, the follow-up transmission of being convenient for.

As a preferable embodiment of the present embodiment: the bottom of the oil hole cover 14 is provided with an oil level gauge, and an operator can judge the amount of lubricating oil in the bearing body 13 by opening the oil hole cover 14 according to the oil level gauge on the oil hole cover, and can inject lubricating oil into the bearing body 13 periodically, so that the peripheral pump can be maintained relatively.

As a preferable embodiment of the present embodiment: the middle part of the inner side of the bearing gland 12 is provided with a framework oil seal, and the framework oil seal is made of rubber materials, so that the rotating shaft 5 in the bearing body 13 is isolated from the external environment, and the leakage of lubricating oil is avoided.

As a preferable aspect of the present embodiment: spline B10 is evenly arranged on one side, far away from the pump cover 6, of the outer side of the rotating shaft 5, and the rotating shaft 5 is in spline connection with the belt pulley 11 through the spline B10, so that the guidance between the rotating shaft 5 and the belt pulley 11 is improved.

As a preferable embodiment of the present embodiment: the middle position department of the bottom of the pump body 1 is provided with the plug, and the outside cover of plug is equipped with the rubber packing ring, plays sealed effect.

Embodiment 1, as shown in fig. 1-7, by sliding the sliding block 26 and the sliding chute 28 with each other, the operator can move the mounting ring 27 to drive the inner gear ring 34 to rotate, and by the mutual engagement between the inner gear ring 34 and the outer gear ring 30 and the mutual sliding between the balls 32 and the ring-shaped sliding rails 33, the adjusting disk 24 is driven to rotate, and when the adjusting disk 24 and the water permeable holes on the fixed disk 23 correspond to each other, the liquid flow is maximized; when the water permeable holes between the fixed disc 23 and the adjusting disc 24 are not communicated, the liquid flow in the vortex pump is in a closed state; when the water-permeable holes of the fixed disc 23 and the regulating disc 24 are staggered with each other, the liquid flow rate is continuously reduced, and the operator can observe the liquid flow rate of the vortex pump by pointing the pointer 25 at the outer side of the mounting ring 27.

Embodiment 2, as shown in fig. 1, 2, with business turn over water pipe and connector 19 interconnect, rethread upset articulated slab 20 overturns cardboard 22 to the connector 19 directly over, carries out the block through cardboard 22 to the outside of water pipe to reduce the amplitude of oscillation of water pipe, guarantee the normal transmission of rivers, shake power when alleviating the rivers transmission.

The working principle is as follows: before the high-pressure horizontal single-stage vortex pump is used, firstly, a water inlet pipe and a water outlet pipe are connected with a connector 19, then a clamping plate 22 is turned over to be right above the connector 19 through a turning hinged plate 20, and the outer side of the water pipe is clamped through the clamping plate 22, so that the swing amplitude of the water pipe is reduced, the normal transmission of water flow is ensured, and the shaking power during the water flow transmission is relieved;

through the mutual sliding of the sliding block 26 and the sliding chute 28, an operator can toggle the mounting ring 27 to drive the inner gear ring 34 to rotate, and through the mutual meshing between the inner gear ring 34 and the outer gear ring 30 and the mutual sliding between the balls 32 and the annular sliding rail 33, the adjusting disc 24 is driven to rotate, and when the adjusting disc 24 corresponds to the water permeable holes in the fixed disc 23, the liquid flow is maximized; when the water permeable holes between the fixed disc 23 and the adjusting disc 24 are not communicated, the liquid flow in the vortex pump is in a closed state; and the operator can observe the liquid flow rate of the vortex pump by pointing the pointer 25 at the outer side of the mounting ring 27;

firstly, the single-stage vortex pump is a pump shell formed by a pump cover 6, a pump body 1, a bearing body 13 and a bearing gland 12, wherein a cavity formed by combining the pump body 1 and the pump cover 6 is used for providing an annular flow channel of a vortex centrifugal environment for an impeller 2, the cavity formed by the pump body 1 and the bearing body 13 is used for installing the position of a rotating shaft 5, and the inside of the bearing body 13 can lubricate the rotating shaft 5 so as to reduce the abrasion degree of the outer side of the rotating shaft 5, keep good rotation for a long time and prolong the service life of the single-stage vortex pump;

connect belt pulley 11 and drive pivot 5 through outer power and rotate, drive impeller 2 through pivot 5 and rotate, liquid gets into connecting pipe 18 and pump body 1 by a set of connector 19, receive impeller 2's centrifugal force effect in the rotation, be got rid of to annular runner all around in, make liquid rotate in the runner, all receive the effect of centrifugal force because of each liquid particle, impeller 2 inboard liquid receives the effect of centrifugal force big, and liquid receives the effect of centrifugal force little in the runner, because both receive centrifugal force's variation in size, therefore arouse that liquid does vertical swirl motion. The liquid flows through the channels among the blades on the impeller 2 repeatedly in the flow channel by means of the longitudinal vortex for a plurality of times, the lift is increased once when the liquid passes through the channels among the blades once, the liquid is discharged from the other group of connectors 19 finally, partial vacuum is formed in the channels among the blades after the liquid is discharged, the liquid continuously enters the cavity formed by the pump body 1 and the pump cover 6 from the suction inlet, and the motion process is repeated; an operator opens the oil hole cover 14, judges the amount of lubricating oil in the bearing body 13 according to an oil rule on the oil hole cover, and periodically injects the lubricating oil into the bearing body 13, so that the vortex pump is maintained.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and do not limit the protection scope of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a horizontal single-stage volute pump of marine flow adjustable high pressure, includes the pump body (1), its characterized in that: a pump cover (6) is arranged on one side of the pump body (1), an organic sealing cover (16) is arranged in the middle of one side of the pump body (1), a groove (3) is formed in the inner side of the pump cover (6), a rotating shaft (5) is arranged in the mechanical sealing cover (16), one side of the rotating shaft (5) extends into the groove (3), an impeller (2) is sleeved on one side of the outer side of the rotating shaft (5), an elastic washer (7) for a shaft and a limiting ring (17) are respectively sleeved on one side of the outer side of the rotating shaft (5), the limiting ring (17) and the mechanical sealing cover (16) are mutually matched, a bearing body (13) is connected to one side, away from the pump cover (6), of the pump body (1) through a bolt and a thread, an oil hole cover (14) is arranged at the top of the bearing body (13), an oil dipstick is arranged at the bottom of the oil hole cover (14), a bearing cover (12) is arranged on one side, away from the pump body (1), of the bearing body (13) is provided with an O-shaped ring (15), and one side, away from the outer side of the rotating shaft (5) is arranged on the belt pulley (11);

the two ends of the top of the pump body (1) are symmetrically provided with connecting pipes (18), the top of each connecting pipe (18) is sleeved with an outer sleeve (29), the middle of the inner side of each outer sleeve (29) is provided with a fixed disc (23), the tops of the outer sleeves (29) are provided with connectors (19), the middle of the outer side of each outer sleeve (29) is provided with a sliding chute (28), the inner part of each sliding chute (28) is provided with a mounting ring (27), the tops and the bottoms of the mounting rings (27) are provided with sliding blocks (26), the sliding blocks (26) slide with the sliding chutes (28) mutually, the inner side of each mounting ring (27) is provided with an inner gear ring (34), the bottom of the inner side of each outer sleeve (29) is provided with a ring-shaped sliding rail (33), an adjusting disc (24) is arranged right above the ring-shaped sliding rail (33), the outer side of each adjusting disc (24) is provided with an outer gear ring (30), the two sides of the bottoms of the outer gear rings (30) are symmetrically provided with a support frame (31), the inner side of each support frame (31) is fixedly and is connected with balls (32), the balls (32) are slidably connected with the ring-shaped sliding connection holes, the inner gear ring (23) and the outer side of the inner gear ring (27) is provided with the scale holes, and the scale holes which are uniformly distributed on the outer side of the fixing disc (23), a pointer (25) is arranged on one side of the outer sleeve (29), and the pointer (25) is matched with the mounting ring (27); one side of the connector (19) is hinged with a hinged plate (20), one side of one end of the hinged plate (20) is connected with an adjusting bolt (21) through threads, and the hinged plate (20) is connected with a clamping plate (22) through the adjusting bolt (21) through threads.

2. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: the clamping plate (22) is made of an arc-shaped structure, and rubber bumps are uniformly arranged on the inner side of the clamping plate (22).

3. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: the bottom of the bearing body (13) is provided with a base (8), and through holes are formed in two ends of two sides of the bottom of the base (8).

4. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: one side in pivot (5) outside evenly is provided with spline A (4), and pivot (5) are connected with impeller (2) spline through spline A (4), one side that pump cover (6) were kept away from in pivot (5) outside is provided with the external screw thread, the screw thread department threaded connection in pivot (5) outside has round nut (9).

5. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: the middle part of the inner side of the bearing gland (12) is provided with a framework oil seal, and the framework oil seal is made of rubber materials.

6. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: one side of the outer side of the rotating shaft (5) far away from the pump cover (6) is uniformly provided with a spline B (10), and the rotating shaft (5) is in spline connection with a belt pulley (11) through the spline B (10).

7. The marine flow-adjustable high-pressure horizontal single-stage peripheral pump according to claim 1, characterized in that: the middle position of the bottom of the pump body (1) is provided with a plug, and the outer side of the plug is sleeved with a rubber gasket.