CN220037782U - High-lift axial flow pump for ship - Google Patents
High-lift axial flow pump for ship Download PDFInfo
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- CN220037782U CN220037782U CN202321621512.0U CN202321621512U CN220037782U CN 220037782 U CN220037782 U CN 220037782U CN 202321621512 U CN202321621512 U CN 202321621512U CN 220037782 U CN220037782 U CN 220037782U
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- axial flow
- flow pump
- pump body
- fixedly arranged
- springs
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- 230000009471 action Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of axial flow pumps, and provides a high-lift axial flow pump for ships, which comprises: axial pump body still includes: the plurality of groups of flanges are respectively and fixedly sleeved at a plurality of connection positions of the axial flow pump body, the tops of the plurality of groups of flanges are respectively and movably embedded with a plurality of bolts in a circumferential array, and nuts are respectively and spirally sleeved at one ends of the plurality of bolts; the square grooves are symmetrically formed in the outer surface of the axial flow pump body. According to the axial flow pump body, the abutting block is enabled to contact the top of the bolt and extrude the bolt, the telescopic rod I is enabled to be contracted synchronously, the spring I is enabled to be compressed, the abutting block can always apply an extrusion force to the bolt under the reset action force of the spring I, and then the movable ring can apply an upward action force to the nut under the interaction of the telescopic rod II and the spring II, so that the situation that the bolt and the nut are loosened and fall off can be prevented, and the normal use of the axial flow pump body is guaranteed.
Description
Technical Field
The utility model relates to the technical field of axial flow pumps, in particular to a high-lift axial flow pump for a ship.
Background
The axial flow pump is a pump which uses the acting force of the blades of the rotary impeller to the liquid to make the liquid transfer along the axial direction, and has several types of vertical, horizontal, inclined and through-flow, the impeller of the axial flow pump is generally equipped with 2-7 blades, and the impeller is rotated in the circular tubular pump shell, and the pump shell on the upper portion of the impeller is equipped with fixed guide vanes for eliminating the rotary motion of the liquid, making it become axial motion, and converting the kinetic energy of the rotary motion into pressure energy.
However, in the prior art, the pipe bodies of the high-lift axial flow pump for the ship are fixedly connected through bolts and nuts, and because the high-lift axial flow pump is in contact with water for a long time, the bolts and the nuts are easy to rust, so that the bolts and the nuts are loosened, when the high-lift axial flow pump works, vibration can be generated, the bolts and the nuts can fall off, normal use of the high-lift axial flow pump is affected, and when the bolts and the nuts fall into water, the bolts and the nuts can be sucked by the high-lift axial flow pump, and damage to blades can be caused.
Disclosure of Invention
The utility model aims to solve the problems that in the prior art, the pipe bodies of the high-lift axial flow pump for the ship are fixedly connected through bolts and nuts, the bolts and the nuts are loosened due to the fact that the high-lift axial flow pump is in contact with water for a long time and easy to rust, and when the high-lift axial flow pump works, the bolts and the nuts can fall off and accordingly normal use of the high-lift axial flow pump is affected, and the bolts and the nuts can be sucked by the high-lift axial flow pump when falling into water and possibly damage blades.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a high lift axial flow pump for a marine vessel, comprising: axial pump body still includes:
the plurality of groups of flanges are respectively and fixedly sleeved at a plurality of connection positions of the axial flow pump body, the tops of the plurality of groups of flanges are respectively and movably embedded with a plurality of bolts in a circumferential array, and nuts are respectively and spirally sleeved at one ends of the plurality of bolts;
the square grooves are symmetrically formed in the outer surface of the axial flow pump body, two guide rods are symmetrically and fixedly arranged on opposite sides of the inner walls of the square grooves, and the guide rods are divided into a group in pairs on average;
the sliding blocks are respectively and movably sleeved on the outer surfaces of the guide rods, inserting rods are movably embedded in the centers of the sliding blocks, and the sliding blocks are equally divided into two groups;
the two connecting rings are respectively and movably sleeved on the outer surfaces of the two groups of the inserting rods, the bottoms of the two connecting rings are fixedly provided with a plurality of first telescopic rods in a circumferential array, and one ends of the first telescopic rods are fixedly provided with a tight supporting block;
the first springs are respectively and movably sleeved on the outer surfaces of the first telescopic rods, one ends of the first springs are respectively and fixedly arranged at the bottoms of the two connecting rings, and the other ends of the first springs are respectively and fixedly arranged at the tops of the plurality of abutting blocks;
the two fixing rings are fixedly sleeved on the outer surface of the axial flow pump body, the tops of the two fixing rings are fixedly provided with a plurality of telescopic rods II in a circumferential array, and the telescopic rods are equally divided into two groups;
the two movable rings are respectively and fixedly arranged at one ends of the two groups of telescopic rods II, and are movably sleeved on the outer surface of the axial flow pump body;
the second springs are respectively and movably sleeved on the outer surfaces of the second telescopic rods, one ends of the second springs are respectively and fixedly arranged at the bottoms of the two movable rings, and the other ends of the second springs are respectively and fixedly arranged at the tops of the two fixed rings.
Preferably, the outer surfaces of the inserting rods are movably sleeved with a third spring, one ends of the third springs are respectively and fixedly arranged at one ends of the inserting rods, and the other ends of the third springs are respectively and symmetrically and fixedly arranged at the outer surfaces of the two connecting rings.
Preferably, the inner walls of the square grooves are symmetrically provided with two limit grooves.
Preferably, the tops of the two movable rings are provided with a plurality of clamping grooves in a circumferential array, and the inner walls of the clamping grooves are respectively movably sleeved on the outer surfaces of the nuts.
Preferably, two hangers are symmetrically and fixedly arranged on the outer surfaces of the two movable rings.
Preferably, a valve is fixedly arranged on the outer surface of the axial flow pump body close to the top.
Compared with the prior art, the utility model has the advantages and positive effects that,
according to the axial flow pump body, the abutting block is enabled to contact the top of the bolt and extrude the bolt, the telescopic rod I is enabled to be contracted synchronously, the spring I is enabled to be compressed, the abutting block can always apply an extrusion force to the bolt under the reset action force of the spring I, and then the movable ring can apply an upward action force to the nut under the interaction of the telescopic rod II and the spring II, so that the situation that the bolt and the nut are loosened and fall off can be prevented, and the normal use of the axial flow pump body is guaranteed.
According to the utility model, the screw cap is clamped into the clamping groove, and when the rusted screw bolt or screw cap is required to be replaced, the screw bolt and the screw cap can be separated only by rotating the screw bolt due to the limit effect of the clamping groove on the screw cap, so that the screw bolt and the screw cap are convenient to replace.
Drawings
FIG. 1 is a schematic structural view of a high-lift axial flow pump for a ship according to the present utility model;
fig. 2 is a schematic side view of a high-lift axial flow pump for a ship according to the present utility model;
fig. 3 is an enlarged schematic view of a position a in a diagram of the high-lift axial flow pump for a ship according to the present utility model;
fig. 4 is a schematic view of a part of the structure of the high-lift axial flow pump for a ship according to the present utility model.
Legend description:
1. an axial flow pump body; 2. a valve; 3. a flange; 4. a square groove; 5. a limit groove; 6. a guide rod; 7. a connecting ring; 8. a first telescopic rod; 9. a first spring; 10. a tightening block; 11. a bolt; 12. a screw cap; 13. a fixing ring; 14. a movable ring; 15. a second telescopic rod; 16. a second spring; 17. a rod; 18. a third spring; 19. a slide block; 20. a clamping groove; 21. and (5) hanging the ear.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1, as shown in fig. 1 to 4, the present utility model provides a high-lift axial flow pump for a ship, comprising: the axial flow pump body 1, its characterized in that still includes:
the multiple groups of flanges 3 are fixedly sleeved at multiple connecting positions of the axial flow pump body 1 respectively, the tops of the multiple groups of flanges 3 are movably embedded with multiple bolts 11 in a circumferential array, and nuts 12 are sleeved at one ends of the multiple bolts 11 in a threaded manner;
the square grooves 4 are symmetrically formed on the outer surface of the axial flow pump body 1, two guide rods 6 are symmetrically and fixedly arranged on opposite sides of the inner walls of the square grooves 4, and the guide rods 6 are divided into a group in pairs on average;
the sliding blocks 19 are respectively and movably sleeved on the outer surfaces of the guide rods 6, inserting rods 17 are movably embedded in the centers of the sliding blocks 19, and the inserting rods 17 are equally divided into two groups;
the two connecting rings 7 are respectively and movably sleeved on the outer surfaces of the two groups of inserting rods 17, the bottoms of the two connecting rings 7 are fixedly provided with a plurality of telescopic rods I8 in a circumferential array, and one ends of the telescopic rods I8 are fixedly provided with a supporting block 10;
the first springs 9 are respectively and movably sleeved on the outer surfaces of the first telescopic rods 8, one ends of the first springs 9 are respectively and fixedly arranged at the bottoms of the two connecting rings 7, and the other ends of the first springs 9 are respectively and fixedly arranged at the tops of the plurality of abutting blocks 10;
the two fixing rings 13 are fixedly sleeved on the outer surface of the axial flow pump body 1, the tops of the two fixing rings 13 are fixedly provided with a plurality of telescopic rods II 15 in a circumferential array, and the telescopic rods II 15 are equally divided into two groups;
the two movable rings 14 are respectively and fixedly arranged at one ends of the two groups of telescopic rods II 15, and the two movable rings 14 are movably sleeved on the outer surface of the axial flow pump body 1;
the second springs 16 are movably sleeved on the outer surfaces of the second telescopic rods 15 respectively, one ends of the second springs 16 are fixedly arranged at the bottoms of the two movable rings 14 respectively, and the other ends of the second springs 16 are fixedly arranged at the tops of the two fixed rings 13 respectively.
Further, as shown in fig. 1-4, the outer surfaces of the plurality of inserting rods 17 are movably sleeved with springs three 18, one ends of the plurality of springs three 18 are respectively and fixedly installed at one ends of the plurality of inserting rods 17, the other ends of the plurality of springs three 18 are respectively and symmetrically and fixedly installed at the outer surfaces of the two connecting rings 7, the springs three 18 can be stretched by pulling the inserting rods 17 outwards, and when the pulling force is eliminated, the inserting rods 17 can be returned to the original positions under the reset acting force of the springs three 18.
Further, as shown in fig. 1-4, two limiting grooves 5 are symmetrically formed in the inner walls of the square grooves 4, and the limiting grooves 5 are arranged to limit the inserted bar 17.
Further, as shown in fig. 1-4, a plurality of clamping grooves 20 are formed in the top portions of the two movable rings 14 in a circumferential array, the inner walls of the clamping grooves 20 are respectively movably sleeved on the outer surfaces of the nuts 12, and the limiting effect on the nuts 12 is achieved through the arrangement of the clamping grooves 20.
Further, as shown in fig. 1-4, two hanging lugs 21 are symmetrically and fixedly installed on the outer surfaces of the two movable rings 14, and the movable rings 14 are conveniently pressed downwards through the arrangement of the hanging lugs 21, so that the nuts 12 can be conveniently placed into the clamping grooves 20 or taken out from the clamping grooves 20.
Further, as shown in fig. 1-4, a valve 2 is fixedly arranged on the outer surface of the axial flow pump body 1 near the top.
Working principle: when the axial-flow pump is used, when the flange 3 of the axial-flow pump body 1 is fixedly connected by the bolt 11 and the nut 12, the inserted bar 17 is pulled outwards, one end of the inserted bar 17 is separated from the inside of the limit groove 5 at the top, the spring III 18 is synchronously stretched, the connecting ring 7 is pushed downwards, when the inserted bar 17 moves to the position of the limit groove 5 at the bottom, the inserted bar 17 is loosened, the inserted bar 17 is inserted into the limit groove 5 at the bottom under the reset force of the spring III 18, thereby fixing the connecting ring 7, in the process, the abutting block 10 is enabled to contact the top of the bolt 11, the bolt 11 is extruded, the telescopic bar I8 is synchronously contracted, the spring I9 is compressed, the abutting block 10 always applies a extrusion force to the bolt 11 under the reset force of the spring I9, and the movable ring 14 can apply an upward force to the nut 12 under the interaction of the telescopic bar II 15 and the spring II 16, thereby the situation that the bolt 11 and the nut 12 are loose is prevented, the axial-flow pump body is ensured to fall off, and the nut 12 is enabled to rotate in the inside the clamping groove 12 or the clamping groove 12 is required to be replaced by the nut 12, and the nut is replaced by the nut 12, and the nut 11 is replaced by the normal clamping groove 12 and the nut 12 is required to be replaced by the nut 11, and the nut 11 is replaced by the normal clamping groove 11, and the bolt 11 is replaced by the normal groove 11, and the bolt 11.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. A high lift axial flow pump for a marine vessel, comprising: axial-flow pump body (1), its characterized in that still includes:
the multiple groups of flanges (3) are fixedly sleeved at multiple connection positions of the axial flow pump body (1) respectively, the tops of the multiple groups of flanges (3) are movably embedded with multiple bolts (11) in a circumferential array, and one ends of the multiple bolts (11) are sleeved with nuts (12) in a threaded manner;
the square grooves (4) are symmetrically formed in the outer surface of the axial flow pump body (1), two guide rods (6) are symmetrically and fixedly arranged on opposite sides of the inner walls of the square grooves (4), and the guide rods (6) are divided into a group in pairs on average;
the sliding blocks (19) are respectively and movably sleeved on the outer surfaces of the guide rods (6), inserting rods (17) are movably embedded in the centers of the sliding blocks (19), and the inserting rods (17) are equally divided into two groups;
the two connecting rings (7) are respectively and movably sleeved on the outer surfaces of the two groups of inserting rods (17), the bottoms of the two connecting rings (7) are fixedly provided with a plurality of first telescopic rods (8) in a circumferential array, and one ends of the first telescopic rods (8) are fixedly provided with a tight supporting block (10);
the first springs (9) are respectively and movably sleeved on the outer surfaces of the first telescopic rods (8), one ends of the first springs (9) are respectively and fixedly arranged at the bottoms of the two connecting rings (7), and the other ends of the first springs (9) are respectively and fixedly arranged at the tops of the plurality of abutting blocks (10);
the two fixing rings (13) are fixedly sleeved on the outer surface of the axial flow pump body (1), the tops of the two fixing rings (13) are fixedly provided with a plurality of telescopic rods (15) in a circumferential array, and the telescopic rods (15) are equally divided into two groups;
the two movable rings (14) are respectively and fixedly arranged at one ends of the two groups of telescopic rods II (15), and the two movable rings (14) are movably sleeved on the outer surface of the axial flow pump body (1);
the second springs (16) are respectively and movably sleeved on the outer surfaces of the second telescopic rods (15), one ends of the second springs (16) are respectively and fixedly arranged at the bottoms of the two movable rings (14), and the other ends of the second springs (16) are respectively and fixedly arranged at the tops of the two fixed rings (13).
2. The high-lift axial flow pump for a ship according to claim 1, wherein: the outer surfaces of the inserting rods (17) are movably sleeved with springs III (18), one ends of the springs III (18) are respectively and fixedly arranged at one ends of the inserting rods (17), and the other ends of the springs III (18) are respectively and symmetrically and fixedly arranged at the outer surfaces of the two connecting rings (7).
3. The high-lift axial flow pump for a ship according to claim 1, wherein: two limit grooves (5) are symmetrically formed in the inner walls of the square grooves (4).
4. A high lift axial flow pump for a marine vessel according to claim 3, wherein: the tops of the two movable rings (14) are provided with a plurality of clamping grooves (20) in a circumferential array, and the inner walls of the clamping grooves (20) are respectively movably sleeved on the outer surfaces of the nuts (12).
5. The high-lift axial flow pump for a ship according to claim 4, wherein: two hangers (21) are symmetrically and fixedly arranged on the outer surfaces of the two movable rings (14).
6. A high lift axial flow pump for a marine vessel according to claim 3, wherein: the valve (2) is fixedly arranged on the outer surface of the axial flow pump body (1) close to the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321621512.0U CN220037782U (en) | 2023-06-26 | 2023-06-26 | High-lift axial flow pump for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321621512.0U CN220037782U (en) | 2023-06-26 | 2023-06-26 | High-lift axial flow pump for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037782U true CN220037782U (en) | 2023-11-17 |
Family
ID=88741755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321621512.0U Active CN220037782U (en) | 2023-06-26 | 2023-06-26 | High-lift axial flow pump for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037782U (en) |
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2023
- 2023-06-26 CN CN202321621512.0U patent/CN220037782U/en active Active
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