CN211116765U - Split type pump body sealing ring for horizontal split multi-stage pump - Google Patents
Split type pump body sealing ring for horizontal split multi-stage pump Download PDFInfo
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- CN211116765U CN211116765U CN201922074135.3U CN201922074135U CN211116765U CN 211116765 U CN211116765 U CN 211116765U CN 201922074135 U CN201922074135 U CN 201922074135U CN 211116765 U CN211116765 U CN 211116765U
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- sealing ring
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Abstract
The utility model discloses a split pump body sealing ring for a horizontal split multi-stage pump, which is characterized by comprising a left sealing ring and a right sealing ring, wherein the left sealing ring and the right sealing ring are combined to form a circular sealing ring whole; positioning pin holes are formed in the two ends of the left sealing ring and the right sealing ring, and the left sealing ring and the right sealing ring are connected and fixed by arranging positioning pins in the positioning pin holes; the circumferences of the left sealing ring and the right sealing ring are provided with anti-rotation rabbets; the anti-rotation spigot of the left sealing ring and the anti-rotation spigot of the right sealing ring are combined to form a semicircle, and the anti-rotation spigot is matched with the axial positioning groove on the pump body; the device has the advantages of simple structure, good stability and convenient installation, and can be installed after the dynamic balance test of the rotor, thereby reducing the assembly difficulty; convenient to detach can dismantle alone, ensures that rotor portion installs intact, has reduced the loss, practices thrift the cost.
Description
Technical Field
The utility model relates to a pump body sealing ring's field especially relates to a horizontal split type pump body sealing ring for middle-open pump.
Background
The traditional horizontal split pump has the advantages that the pump body sealing ring is an integral sealing ring, the pump body axial positioning groove is also integral, the pump body and the pump cover are required to be combined together and are processed by a numerical control boring machine or the pump body and the pump cover are independently processed by a numerical control processing center, the processing is difficult, time and labor are wasted, and the technical requirements on equipment and processing personnel are high; the sealing ring needs to be preassembled in advance and put in place when assembling rotor part, is unfavorable for the later stage rotor to do the dynamic balance test, need to disassemble rotor part when overhaul equipment completely, just can change the sealing ring of wearing and tearing, increases intensity of labour, and the operation is inconvenient, and is consuming time longer, and work efficiency is lower.
Disclosure of Invention
The utility model aims at providing a split pump body sealing ring for a horizontal split multi-stage pump, which has simple structure, convenient processing and good use effect; the technical problem is solved.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: the utility model provides a split type pump body sealing ring for horizontal split multi-stage pump which characterized in that: the sealing ring comprises a left sealing ring and a right sealing ring, wherein the left sealing ring and the right sealing ring are combined to form a circular sealing ring whole; positioning pin holes are formed in the two ends of the left sealing ring and the right sealing ring, and the left sealing ring and the right sealing ring are connected and fixed by arranging positioning pins in the positioning pin holes; and anti-rotation rabbets are arranged on the circumferences of the left sealing ring and the right sealing ring.
Preferably: the anti-rotation seam allowance is arc-shaped and is arranged at the lower parts of the left sealing ring and the right sealing ring.
Preferably: the anti-rotation spigot of the left sealing ring and the anti-rotation spigot of the right sealing ring are combined to form a semicircle.
Preferably: the anti-rotation spigot is matched with the axial positioning groove on the pump body.
Preferably: the positioning pin hole is perpendicular to the end faces of the left sealing ring and the right sealing ring and is arranged in the center of the end faces.
The utility model has the advantages that; the utility model provides a split type pump body sealing ring for horizontal split multi-stage pump compares with traditional structure: the left sealing ring and the right sealing ring are combined to form a circular sealing ring whole; positioning pin holes are formed in the two ends of the left sealing ring and the right sealing ring, and the left sealing ring and the right sealing ring are connected and fixed by arranging positioning pins in the positioning pin holes; the lower part of the sealing ring is provided with an anti-rotation spigot; the processing difficulty is reduced, and the pump cover of the pump body does not need to be covered with a processing positioning groove; the processing time is saved, only the positioning groove matched with the anti-rotation spigot needs to be processed on the pump body, the processing amount is reduced, and the labor intensity of workers is reduced; the utility model has simple structure, good stability and convenient installation, can be installed after the dynamic balance test of the rotor, improves the assembly efficiency and reduces the assembly difficulty; convenient to detach can dismantle alone, ensures that rotor portion installs intact, has reduced the loss, practices thrift the cost.
Drawings
FIG. 1 is a schematic view of the assembly structure of the present invention;
FIG. 2 is a schematic view of the left sealing ring structure of the present invention;
FIG. 3 is a schematic view of the right sealing ring structure of the present invention;
in the figure: 1. a left seal ring; 2. a right seal ring; 3. a positioning pin hole; 4. prevent changeing the tang.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: the utility model provides a split type pump body sealing ring for horizontal split multi-stage pump which characterized in that: the sealing ring comprises a left sealing ring 1 and a right sealing ring 2, wherein the left sealing ring 1 and the right sealing ring 2 are combined to form a circular sealing ring whole; positioning pin holes 3 are formed in the two ends of the left sealing ring 1 and the right sealing ring 2, and positioning pins are arranged in the positioning pin holes 3 to connect and fix the left sealing ring 1 and the right sealing ring 2; the circumferences of the left sealing ring 1 and the right sealing ring 2 are both provided with anti-rotation rabbets 4.
The anti-rotation seam allowance 4 is arc-shaped and is arranged at the lower parts of the left sealing ring 1 and the right sealing ring 2; the anti-rotation spigot 4 of the left sealing ring 1 and the anti-rotation spigot 4 of the right sealing ring 2 are combined to form a semicircle; the anti-rotation spigot 4 is matched with an axial positioning groove on the pump body; the positioning pin hole 3 is perpendicular to the end faces of the left sealing ring 1 and the right sealing ring 2 and is arranged in the center of the end faces.
The utility model discloses a concrete implementation: an ordinary boring machine is adopted to process an axial positioning groove on the pump body, and the pump cover does not need to be processed with the axial positioning groove; the processing difficulty of the axial groove of the sealing ring is greatly reduced, and the labor intensity is reduced; the sealing rings can be assembled after the rotor is subjected to a dynamic balance test, so that the anti-rotation rabbets of the left sealing ring and the right sealing ring are matched with the axial positioning groove of the pump body for axial positioning to prevent the sealing rings from rotating; the split type sealing ring is convenient to detach, replace and maintain, when the abraded sealing ring needs to be replaced, the rotor part does not need to be disassembled, the pump cover is opened, the positioning pin is taken down, the abrasion part can be replaced quickly, time is greatly saved, loss is reduced, and cost is reduced.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (5)
1. The utility model provides a split type pump body sealing ring for horizontal split multi-stage pump which characterized in that: the sealing ring comprises a left sealing ring (1) and a right sealing ring (2), wherein the left sealing ring (1) and the right sealing ring (2) are combined to form a circular sealing ring whole; positioning pin holes (3) are formed in the two ends of the left sealing ring (1) and the right sealing ring (2), and positioning pins are arranged in the positioning pin holes (3) to connect and fix the left sealing ring (1) and the right sealing ring (2); the circumferences of the left sealing ring (1) and the right sealing ring (2) are respectively provided with an anti-rotation spigot (4).
2. The split pump body seal ring for the horizontal split multistage pump according to claim 1, wherein: the anti-rotation seam allowance (4) is arc-shaped and is arranged at the lower parts of the left sealing ring (1) and the right sealing ring (2).
3. The split pump body seal ring for the horizontal split multistage pump according to claim 1, wherein: the anti-rotation spigot (4) of the left sealing ring (1) and the anti-rotation spigot (4) of the right sealing ring (2) are combined to form a semicircle.
4. The split pump body seal ring for the horizontal split multistage pump according to claim 1, wherein: the anti-rotation spigot (4) is matched with an axial positioning groove on the pump body.
5. The split pump body seal ring for the horizontal split multistage pump according to claim 1, wherein: the positioning pin hole (3) is perpendicular to the end faces of the left sealing ring (1) and the right sealing ring (2) and is arranged in the center of the end faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074135.3U CN211116765U (en) | 2019-11-27 | 2019-11-27 | Split type pump body sealing ring for horizontal split multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074135.3U CN211116765U (en) | 2019-11-27 | 2019-11-27 | Split type pump body sealing ring for horizontal split multi-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116765U true CN211116765U (en) | 2020-07-28 |
Family
ID=71693713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074135.3U Active CN211116765U (en) | 2019-11-27 | 2019-11-27 | Split type pump body sealing ring for horizontal split multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211116765U (en) |
-
2019
- 2019-11-27 CN CN201922074135.3U patent/CN211116765U/en active Active
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