CN214036086U - Detachable filter screen for water feeding pump - Google Patents
Detachable filter screen for water feeding pump Download PDFInfo
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- CN214036086U CN214036086U CN202023081771.8U CN202023081771U CN214036086U CN 214036086 U CN214036086 U CN 214036086U CN 202023081771 U CN202023081771 U CN 202023081771U CN 214036086 U CN214036086 U CN 214036086U
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- fixedly connected
- truncated cone
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- circular truncated
- reinforcing
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Abstract
The utility model discloses a removable filter screen for feed pump belongs to nuclear power unit auxiliary fixtures technical field, including cylinder portion, round platform part, tip and fossil fragments, cylinder portion and round platform part fixed connection are as an organic whole, the one end that round platform part kept away from cylinder portion is through first fixed ring fixed connection end, the one end that round platform part was kept away from to cylinder portion is fixedly connected with the second fixed ring, fossil fragments wear to locate the inside of cylinder portion and round platform part; the inner circumferential surface of the circular truncated cone part is fixedly connected with a plurality of first reinforcing ribs which are equal to the inner circumferential surface of the circular truncated cone part in length direction, and each first reinforcing rib is fixedly connected with the outer circumferential surface of the keel positioned in the circular truncated cone part through a plurality of first reinforcing devices which are uniformly distributed in length direction. The utility model discloses consolidate cylinder portion and round platform part, prevent that cylinder portion and round platform part from warping.
Description
Technical Field
The utility model relates to a removable filter screen specifically is a removable filter screen for water-feeding pump, belongs to nuclear power unit auxiliary fixtures technical field.
Background
The nuclear power main water feed pump set is formed by respectively connecting a front pump, a motor, a hydraulic coupler and a pressure stage in series. The pump package has designed two filter screens, and leading filter screen is the toper filter screen, sets up at leading pump entry, and middle filter screen is the cylindricality filter screen, sets up the entry of pressure level pump. The whole pump set filters impurities in the conveying medium through the two filter screens, and the reliable operation of the pump set is guaranteed.
After the nuclear power electric main water feed pump set operates, the pressure difference value of the middle filter screen rises quickly. Among the prior art, the inside of the detachable filter screen of installing at the pressure stage pump entry only supports through fossil fragments and the gusset on the fossil fragments, and bearing structure is too simple, leads to the filter screen to warp easily or damaged in the environment that continuous pressure difference is high, if the filter screen damage will lose the filter effect, this can lead to the electronic main feed water pump group of nuclear power unusable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a removable filter screen for feed pump in order to solve above-mentioned problem, consolidate cylinder portion and round platform part, prevent that cylinder portion and round platform part from warping.
The utility model discloses a technical scheme realizes above-mentioned purpose, a removable filter screen for feed pump, including cylinder portion, round platform part, tip and fossil fragments, cylinder portion and round platform part fixed connection are as an organic whole, the one end that round platform part kept away from the cylinder portion is through first fixed ring fixed connection with tip, the one end that round platform part was kept away from to the cylinder portion is fixed connection with the second fixed ring, the fossil fragments wear to locate the inside of cylinder portion and round platform part;
the inner circumferential surface of the circular truncated cone part is fixedly connected with a plurality of first reinforcing ribs which are equal in length to the inner circumferential surface of the circular truncated cone part along the length direction of the circular truncated cone part, and each first reinforcing rib is fixedly connected with the outer circumferential surface of the keel positioned in the circular truncated cone part along the length direction of the first reinforcing rib through a plurality of first reinforcing devices which are uniformly distributed;
the inner circumferential surface of the cylindrical part is fixedly connected with a plurality of second reinforcing ribs which are equal to the inner circumferential surface of the cylindrical part along the length direction of the cylindrical part, and each second reinforcing rib is fixedly connected with the outer circumferential surface of the keel positioned in the cylindrical part along the length direction of the second reinforcing rib through a plurality of second reinforcing devices which are uniformly distributed;
the first reinforcing ribs correspond to the second reinforcing ribs one by one, and each first reinforcing rib is fixedly connected with the corresponding second reinforcing rib into a whole;
the end, far away from the cylindrical part, of each first reinforcing rib is fixedly connected to the inner circumferential surface of the first fixing ring, and the end, far away from the circular truncated cone part, of each second reinforcing rib is fixedly connected to the inner circumferential surface of the second fixing ring.
Preferably, in order to prevent the first reinforcing ribs from blocking the first filtering holes on the inner circumferential surface of the circular truncated cone portion, a plurality of rows of first filtering holes are uniformly arranged on the inner circumferential surface of the circular truncated cone portion along the length direction of the inner circumferential surface, and each first reinforcing rib is located between two adjacent rows of the first filtering holes.
Preferably, first reinforcing apparatus includes the first connecting plate of fixed connection on first strengthening rib, the central point fixedly connected with head rod of the side that first connecting plate deviates from first strengthening rib, the one end that the head rod deviates from first connecting plate is located the outer periphery of round platform part inside through first spliced pole fixed connection in fossil fragments.
Preferably, in order to prevent the first connection plate and the first connection rod from blocking the first filter hole on the inner circumferential surface of the circular truncated cone portion, the width of the first connection plate is smaller than the width of the first reinforcing rib, and the diameter of the first connection rod is smaller than the width of the first connection plate.
Preferably, in order to enable the lengths of the first connecting columns to be more adaptive to the inner diameter of the circular truncated cone portion, the lengths of the first connecting columns on each first reinforcing rib are gradually shortened from the cylindrical portion to the first fixing ring.
Preferably, in order to prevent the second reinforcing ribs from blocking the second filtering holes on the inner circumferential surface of the cylindrical portion, a plurality of rows of second filtering holes are uniformly arranged on the inner circumferential surface of the cylindrical portion along the length direction of the inner circumferential surface of the cylindrical portion, and each second reinforcing rib is located between two adjacent rows of second filtering holes.
Preferably, the second reinforcing apparatus includes the second connecting plate of fixed connection on the second strengthening rib, the second connecting plate deviates from the center part fixedly connected with second connecting rod of the side of second strengthening rib, the one end that the second connecting rod deviates from the second connecting plate is located the outer periphery of cylinder portion inside through second spliced pole fixed connection in fossil fragments.
Preferably, in order to prevent the second connection plate and the second connection rod from blocking the second filtering holes on the inner circumferential surface of the cylindrical part, the width of the second connection plate is smaller than the width of the second reinforcing rib, and the diameter of the second connection rod is smaller than the width of the second connection plate.
The utility model has the advantages that:
1. the first reinforcing rib and the first reinforcing device are additionally arranged inside the circular truncated cone part, and the inner circumferential surface of the circular truncated cone part is supported through the cooperation of the first reinforcing rib, the first reinforcing device and the keel, so that the circular truncated cone part is reinforced, and the deformation of the circular truncated cone part in the use process is prevented; the second reinforcing ribs and the second reinforcing devices are additionally arranged inside the cylindrical part, and the inner circumferential surface of the cylindrical part is supported through the cooperation of the second reinforcing ribs, the second reinforcing devices and the keels, so that the cylindrical part is reinforced, and the cylindrical part is prevented from deforming in the using process;
2. the first reinforcing rib, the second reinforcing rib, the first fixing ring and the second fixing ring are fixedly connected into a whole, and the cylindrical part and the circular truncated cone part are further reinforced;
3. first filtration pore on the circumferential surface in the round platform part can not be plugged up to first strengthening rib, first connecting plate and head rod, is favorable to the normal filtering capability of round platform part performance, and second filtration pore on the circumferential surface in the cylindrical part can not be plugged up to second strengthening rib, second connecting plate and second connecting rod, is favorable to the normal filtering capability of cylindrical part performance, and structural design is more reasonable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
figure 3 is a cross-sectional view of the frustoconical portion of figure 1 taken along the axis thereof in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
fig. 5 is a cross-sectional view of the cylindrical portion of fig. 1 along the axial direction thereof according to the present invention.
In the figure: 1. a cylindrical portion; 2. a circular truncated cone portion; 3. a first retaining ring; 4. a second retaining ring; 5. an end portion; 6. a first reinforcement device; 61. a first connecting plate; 62. a first connecting rod; 63. a first connecting column; 7. a keel; 8. a second reinforcement device; 81. a second connecting plate; 82. a second connecting rod; 83. a second connecting column; 9. a first reinforcing rib; 10. and a second reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a detachable filter screen for a water pump, a main water pump set using the detachable filter screen is formed by respectively connecting a pre-pump, a motor, a fluid coupling, and a pressure pump in series, and the detachable filter screen is detachably installed at an inlet of the pressure pump;
the keel structure comprises a cylindrical part 1, a circular truncated cone part 2, an end part 5 and a keel 7, wherein the cylindrical part 1 and the circular truncated cone part 2 are fixedly connected into a whole, one end, far away from the cylindrical part 1, of the circular truncated cone part 2 is fixedly connected with the end part 5 through a first fixing ring 3, the end part 5 is an existing product, one end, far away from the circular truncated cone part 2, of the cylindrical part 1 is fixedly connected with a second fixing ring 4, and the keel 7 penetrates through the cylindrical part 1 and the circular truncated cone part 2;
the inner circumferential surface of the circular truncated cone part 2 is fixedly connected with a plurality of first reinforcing ribs 9 which are as long as the inner circumferential surface of the circular truncated cone part along the length direction of the circular truncated cone part, the number of the first reinforcing ribs 9 is not less than three, and each first reinforcing rib 9 is fixedly connected with the outer circumferential surface of the keel 7 which is positioned in the circular truncated cone part 2 along the length direction of the first reinforcing rib through a plurality of first reinforcing devices 6 which are uniformly distributed;
the inner circumferential surface of the cylindrical part 1 is fixedly connected with a plurality of second reinforcing ribs 10 which are equal in length to the inner circumferential surface of the cylindrical part along the length direction of the cylindrical part, the number of the second reinforcing ribs 10 is not less than three, the number of the second reinforcing ribs 10 is the same as that of the first reinforcing ribs 9, and each second reinforcing rib 10 is fixedly connected with the outer circumferential surface of the keel 7 which is positioned in the cylindrical part 1 along the length direction of the second reinforcing rib through a plurality of second reinforcing devices 8 which are uniformly distributed;
the first reinforcing ribs 9 correspond to the second reinforcing ribs 10 one by one, and each first reinforcing rib 9 is fixedly connected with the corresponding second reinforcing rib 10 into a whole;
the equal fixed connection of the one end of cylindrical part 1 is kept away from to a plurality of first strengthening ribs 9 in the interior peripheral face of first solid fixed ring 3, and the equal fixed connection of the one end of round platform part 2 is kept away from to a plurality of second strengthening ribs 10 in the interior peripheral face of the solid fixed ring 4 of second.
As a technical optimization scheme of the utility model, evenly be provided with the first filtration pore of multirow along its length direction on the inner circumferential surface of round platform part 2, every first strengthening rib 9 is located between the adjacent two rows of first filtration pores.
As a technical optimization scheme of the utility model, first reinforcing apparatus 6 includes first connecting plate 61 of fixed connection on first strengthening rib 9, and first connecting plate 61 deviates from the center part fixedly connected with head rod 62 of the side of first strengthening rib 9, and head rod 62 deviates from the one end of first connecting plate 61 and is located the outer periphery of round platform part 2 inside through first spliced pole 63 fixed connection in fossil fragments 7 through first spliced pole 63 fixed connection.
As a technical optimization scheme of the utility model, the width of first connecting plate 61 is less than the width of first strengthening rib 9, and the diameter of first connecting rod 62 is less than the width of first connecting plate 61.
As a technical optimization scheme of the utility model, the length of a plurality of first spliced poles 63 on every first strengthening rib 9 is shortened by the cylinder portion 1 towards the direction of first solid fixed ring 3 gradually.
As a technical optimization scheme of the utility model, evenly be provided with multirow second filtration pore along its length direction on the inner circumferential surface of cylindrical part 1, every second strengthening rib 10 is located between two adjacent rows of second filtration pores.
As a technical optimization scheme of the utility model, second reinforcing apparatus 8 includes second connecting plate 81 of fixed connection on second strengthening rib 10, and second connecting plate 81 deviates from the central point fixedly connected with second connecting rod 82 of the side of second strengthening rib 10, and second connecting rod 82 deviates from the one end of second connecting plate 81 and passes through second spliced pole 83 fixed connection and lie in on the outer periphery of the inside of cylindrical part 1 in fossil fragments 7.
As a technical optimization scheme of the utility model, the width of second connecting plate 81 is less than the width of second strengthening rib 10, and the diameter of second connecting rod 82 is less than the width of second connecting plate 81.
The utility model discloses when using: the inner circumferential surface of the circular truncated cone part 2 is supported through the cooperation of the first reinforcing ribs 9, the first reinforcing devices 6 and the keels 7, so that the circular truncated cone part 2 is reinforced, the deformation of the circular truncated cone part 2 in the use process is prevented, and the inner circumferential surface of the cylindrical part 1 is supported through the cooperation of the second reinforcing ribs 10, the second reinforcing devices 8 and the keels 7, so that the cylindrical part 1 is reinforced, and the deformation of the cylindrical part 1 in the use process is prevented;
the first reinforcing rib 9, the second reinforcing rib 10, the first fixing ring 3 and the second fixing ring 4 are fixedly connected into a whole, and the cylindrical part 1 and the circular truncated cone part 2 are further reinforced;
first strengthening rib 9, first connecting plate 61 and head rod 62 can not plug up the first filtration pore on the circumferential surface in round platform part 2, are favorable to round platform part 2 to exert normal filtering capability, and second filtration pore on the circumferential surface in cylindrical part 1 can not be plugged up to second strengthening rib 10, second connecting plate 81 and second connecting rod 82, are favorable to cylindrical part 1 to exert normal filtering capability, and structural design is more reasonable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A detachable filter screen for a water feeding pump comprises a cylindrical part (1), a circular truncated cone part (2), an end part (5) and a keel (7), wherein the cylindrical part (1) and the circular truncated cone part (2) are fixedly connected into a whole, one end, far away from the cylindrical part (1), of the circular truncated cone part (2) is fixedly connected with the end part (5) through a first fixing ring (3), one end, far away from the circular truncated cone part (2), of the cylindrical part (1) is fixedly connected with a second fixing ring (4), and the keel (7) penetrates through the cylindrical part (1) and the circular truncated cone part (2),
the inner circumferential surface of the circular truncated cone part (2) is fixedly connected with a plurality of first reinforcing ribs (9) which are equal in length to the inner circumferential surface of the circular truncated cone part along the length direction of the circular truncated cone part, and each first reinforcing rib (9) is fixedly connected with the outer circumferential surface, positioned inside the circular truncated cone part (2), of the keel (7) through a plurality of first reinforcing devices (6) which are uniformly distributed along the length direction of the first reinforcing rib;
the inner circumferential surface of the cylindrical part (1) is fixedly connected with a plurality of second reinforcing ribs (10) which are equal in length to the inner circumferential surface of the cylindrical part along the length direction of the cylindrical part, and each second reinforcing rib (10) is fixedly connected with the outer circumferential surface of the keel (7) which is positioned in the cylindrical part (1) through a plurality of second reinforcing devices (8) which are uniformly distributed along the length direction of the second reinforcing rib;
the first reinforcing ribs (9) correspond to the second reinforcing ribs (10) one by one, and each first reinforcing rib (9) is fixedly connected with the corresponding second reinforcing rib (10) into a whole;
the end, far away from the cylindrical part (1), of each first reinforcing rib (9) is fixedly connected to the inner circumferential surface of the first fixing ring (3), and the end, far away from the circular truncated cone part (2), of each second reinforcing rib (10) is fixedly connected to the inner circumferential surface of the second fixing ring (4).
2. A removable screen for a feed pump according to claim 1, wherein: the inner circumferential surface of the circular truncated cone part (2) is uniformly provided with a plurality of rows of first filtering holes along the length direction, and each first reinforcing rib (9) is positioned between two adjacent rows of first filtering holes.
3. A removable screen for a feed pump according to claim 1, wherein: first reinforcing apparatus (6) include first connecting plate (61) of fixed connection on first strengthening rib (9), first connecting plate (61) deviate from center part fixedly connected with head rod (62) of the side of first strengthening rib (9), head rod (62) deviate from the one end of first connecting plate (61) and are located the outer periphery of round platform part (2) inside through first spliced pole (63) fixed connection in fossil fragments (7).
4. A removable strainer for a feed pump in accordance with claim 3, wherein: the width of the first connecting plate (61) is smaller than that of the first reinforcing ribs (9), and the diameter of the first connecting rod (62) is smaller than that of the first connecting plate (61).
5. A removable strainer for a feed pump in accordance with claim 3, wherein: the lengths of the first connecting columns (63) on each first reinforcing rib (9) are gradually shortened from the cylindrical part (1) to the direction of the first fixing ring (3).
6. A removable screen for a feed pump according to claim 1, wherein: the inner circumferential surface of the cylindrical part (1) is uniformly provided with a plurality of rows of second filtering holes along the length direction, and each second reinforcing rib (10) is positioned between two adjacent rows of second filtering holes.
7. A removable screen for a feed pump according to claim 1, wherein: second reinforcing apparatus (8) include second connecting plate (81) of fixed connection on second strengthening rib (10), second connecting plate (81) deviate from center part fixedly connected with second connecting rod (82) of the side of second strengthening rib (10), the one end that second connecting rod (82) deviate from second connecting plate (81) is located the inside outer periphery of cylinder portion (1) through second spliced pole (83) fixed connection in fossil fragments (7).
8. A removable strainer for a feed pump in accordance with claim 7, wherein: the width of the second connecting plate (81) is smaller than that of the second reinforcing rib (10), and the diameter of the second connecting rod (82) is smaller than that of the second connecting plate (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081771.8U CN214036086U (en) | 2020-12-17 | 2020-12-17 | Detachable filter screen for water feeding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081771.8U CN214036086U (en) | 2020-12-17 | 2020-12-17 | Detachable filter screen for water feeding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036086U true CN214036086U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023081771.8U Active CN214036086U (en) | 2020-12-17 | 2020-12-17 | Detachable filter screen for water feeding pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036086U (en) |
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2020
- 2020-12-17 CN CN202023081771.8U patent/CN214036086U/en active Active
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