CN211117556U - Middle sealing ring for horizontal split multi-stage pump - Google Patents
Middle sealing ring for horizontal split multi-stage pump Download PDFInfo
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- CN211117556U CN211117556U CN201922074146.1U CN201922074146U CN211117556U CN 211117556 U CN211117556 U CN 211117556U CN 201922074146 U CN201922074146 U CN 201922074146U CN 211117556 U CN211117556 U CN 211117556U
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Abstract
The utility model discloses a middle sealing ring for a horizontal split multi-stage pump, which comprises a semi-ring a and a semi-ring b which are symmetrically arranged, and is characterized in that the semi-ring a and the semi-ring b are combined to form a circular sealing ring; the outer circle surfaces of the semi-ring a and the semi-ring b are provided with a weight reduction pit a and a weight reduction pit b, the upper side surface of the weight reduction pit a is provided with a reaming hole a, and the lower side surface of the weight reduction pit b is provided with a reaming hole b; a hinged hole bolt is arranged in the hinged hole a and the hinged hole b; the weight-reducing pits a and the weight-reducing pits b are symmetrically arranged; an anti-rotation spigot is arranged on the right side of the weight-reducing pit b. The novel steel wire rope clamp has the advantages of being simple in structure, good in stability, safe, reliable, long in service life, convenient to install and detach, capable of greatly reducing labor intensity of installation, saving use cost and manufacturing cost and improving product quality.
Description
Technical Field
The utility model relates to a multistage pump's field especially relates to a middle sealing ring for horizontal split multistage pump.
Background
The middle sealing ring for the horizontal split pump in the prior art is of a split type and solid structure, and particularly the middle sealing ring of a large pump is heavy in weight and is inconvenient to overhaul quickly on site by means of lifting equipment during installation; in addition, the split sealing ring of the horizontal split pump in the prior art is positioned by adopting a screw tail taper pin on each of the front side and the back side, and is fastened by adopting an inner hexagon screw on each of the front side and the back side, generally, because the space is limited by adopting smaller bolts and pins, the risk of disassembly and twist-off exists, the safety factor is low, and the service life is short; therefore, a sealing ring with stable structure and high strength needs to be designed.
Disclosure of Invention
The utility model aims at providing an open middle sealing ring for multistage pump in level, simple structure, stability is good, safe and reliable, and long service life has solved above technical problem.
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 an open middle sealing ring for multistage pump in level, includes semi-ring a and the semi-ring b that the symmetry set up, its characterized in that: the semi-ring a and the semi-ring b are combined to form a circular sealing ring; the outer circle surfaces of the semi-ring a and the semi-ring b are provided with a weight reduction pit a and a weight reduction pit b, the upper side surface of the weight reduction pit a is provided with a reaming hole a, and the lower side surface of the weight reduction pit b is provided with a reaming hole b; a hinged hole bolt is arranged in the hinged hole a and the hinged hole b; the weight-reducing pits a and the weight-reducing pits b are symmetrically arranged; an anti-rotation spigot is arranged on the right side of the weight-reducing pit b.
Preferably: the distance between the left side surface of the weight-reducing pit a and the left side surface of the weight-reducing pit b and the left end surface of the sealing ring is set as d; and the distance between the right side surfaces of the weight-reducing pits a and b and the right end surface of the sealing ring is set to be x.
Preferably: the distance between the weight-reducing pits a and the weight-reducing pits b is set to be H.
Preferably: the anti-rotation spigot is arranged at the lower parts of the half ring a and the half ring b.
Preferably: the anti-rotation seam allowance is matched and combined to form a semicircle through the lower end, and the upper end is flush with the horizontal central line of the sealing ring.
The utility model has the advantages that; the utility model provides an open middle sealing ring for multistage pump in level, compares with traditional structure: the semi-ring a and the semi-ring b are combined to form a circular sealing ring; the outer circle surfaces of the semi-ring a and the semi-ring b are respectively provided with a weight reduction pit a and a weight reduction pit b, and the distance between the left side surfaces of the weight reduction pits a and b and the left end surface of the sealing ring is set as d; the distance between the right side surfaces of the weight-reducing pits a and b and the right end surface of the sealing ring is set to be x; setting the distance between the weight-reducing pits a and b as H; the structure is more stable while the strength and the function of the sealing ring are ensured, the weight of parts is greatly reduced, and the cost is saved; the upper side surface of the weight-reducing pit a is provided with a hinged hole a, and the lower side surface of the weight-reducing pit b is provided with a hinged hole b; a hinged hole bolt is arranged in the hinged hole a and the hinged hole b; the connection is more reliable, the front end of the stranded bolt is a threaded section, the rear end of the stranded bolt is a smooth circular section, and the stranded bolt is connected and positioned into a whole; an anti-rotation spigot is arranged on the right side of the weight-reducing pit b; the anti-rotation seam allowances are arranged at the lower parts of the half rings a and b, so that the processing is convenient, the operation difficulty is reduced, and the operation time is saved; the utility model discloses simple structure, stability is good, safe and reliable, long service life, the installation is dismantled conveniently, greatly reduced the intensity of labour of installation, practiced thrift use cost and manufacturing cost, improved product quality.
Drawings
FIG. 1 is a schematic view of the assembly structure of the present invention;
fig. 2 is a structural view of the end faces of the half ring a and the half ring b of the present invention;
in the figure: 1. a semi-ring a; 2. a half ring b; 3. a seal ring; 4. a weight-reducing pit a; 5. a weight-reduction pit b; 6. reaming a hole a; 7. reaming a hole b; 8. reaming a hole bolt; 9. 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 an open middle sealing ring for multistage pump in level, includes semi-ring a1 and semi-ring b2 that the symmetry set up, its characterized in that: the half ring a1 and the half ring b2 form a circular sealing ring 3 in combination; the outer circle surfaces of the half ring a1 and the half ring b2 are provided with weight reducing pits a4 and a weight reducing pit b5, the upper side surface of the weight reducing pit a4 is provided with a hinged hole a6, and the lower side surface of the weight reducing pit b5 is provided with a hinged hole b 7; the reamed hole a6 and the reamed hole b7 are internally provided with reamed hole bolts 8; the weight-reducing pits a4 and the weight-reducing pits b5 are symmetrically arranged; the right side of the weight-reducing concave b5 is provided with an anti-rotation spigot 9.
The distance between the left side surface of the weight-reducing pit a4 and the weight-reducing pit b5 and the left end surface of the sealing ring 3 is set as d; the distance between the right side surfaces of the weight-reducing pits a4 and b5 and the right end surface of the sealing ring 3 is set to be x; the distance between the weight-reducing pits a4 and the weight-reducing pits b5 is set to be H; the anti-rotation seam allowance 9 is arranged at the lower parts of the half ring a1 and the half ring b 2. The anti-rotation seam allowance 9 is matched and combined to form a semicircle through the lower end, and the upper end is flush with the horizontal central line of the sealing ring 3.
The utility model discloses a concrete implementation: the middle sealing ring is arranged between the pump cover and the pump body of the horizontal split multi-stage pump, the lower part of the sealing ring is provided with a spigot, the positioning of the sealing ring can be realized by matching the spigot with the positioning groove of the pump body, and the rotation of the sealing ring is effectively prevented; the processing difficulty of the pump body and the pump cover is greatly reduced, the processing time is saved, and the assembly is convenient and rapid; the semi-ring a and the semi-ring b are connected and fixed through the reamed hole bolt, so that the connection and the positioning effects are achieved; the arrangement of the weight-removing pits a and b provides enough installation space for the reamed hole bolt, the risk of twisting off the bolt and the pin is avoided, and the safety performance is greatly improved; after the seal ring is removed, the weight of the seal ring is greatly reduced, great convenience is brought to installation, hoisting equipment is not needed, and rapid on-site maintenance is facilitated; the thickness between the weight-removing pits a and b and the left end surface of the sealing ring is x, and the thickness between the weight-removing pits a and b and the right end surface of the sealing ring is d, so that the sealing effect is achieved; and the thickness H is arranged between the weight-removing pits a and b, so that the strength and the function of the whole sealing ring are ensured.
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 an open middle sealing ring for multistage pump in level, includes semi-ring a (1) and semi-ring b (2) that the symmetry set up, its characterized in that: the semi-ring a (1) and the semi-ring b (2) are combined to form a circular sealing ring (3); the outer circle surfaces of the semi-ring a (1) and the semi-ring b (2) are provided with weight reducing pits a (4) and weight reducing pits b (5), the upper side surface of each weight reducing pit a (4) is provided with a hinged hole a (6), and the lower side surface of each weight reducing pit b (5) is provided with a hinged hole b (7); a hinged hole bolt (8) is arranged in the hinged hole a (6) and the hinged hole b (7); the weight-reducing pits a (4) and the weight-reducing pits b (5) are symmetrically arranged; an anti-rotation spigot (9) is arranged on the right side of the weight-reducing pit b (5).
2. The intermediate seal ring for the horizontal split multistage pump according to claim 1, wherein: the distance between the left side surface of the weight-reducing pit a (4) and the weight-reducing pit b (5) and the left end surface of the sealing ring (3) is set to be d; the distance between the right side surfaces of the weight-reducing pits a (4) and b (5) and the right end surface of the sealing ring (3) is set to be x.
3. The intermediate seal ring for the horizontal split multistage pump according to claim 1, wherein: the distance between the weight-reducing pits a (4) and the weight-reducing pits b (5) is set to be H.
4. The intermediate seal ring for the horizontal split multistage pump according to claim 1, wherein: the anti-rotation seam allowance (9) is arranged at the lower parts of the half ring a (1) and the half ring b (2).
5. The intermediate seal ring for the horizontal split multistage pump according to claim 1, wherein: the anti-rotation seam allowance (9) is matched and combined to form a semicircle through the lower end, and the upper end is flush with the horizontal center line of the sealing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074146.1U CN211117556U (en) | 2019-11-27 | 2019-11-27 | Middle sealing ring for horizontal split multi-stage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074146.1U CN211117556U (en) | 2019-11-27 | 2019-11-27 | Middle sealing ring for horizontal split multi-stage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117556U true CN211117556U (en) | 2020-07-28 |
Family
ID=71698609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074146.1U Active CN211117556U (en) | 2019-11-27 | 2019-11-27 | Middle sealing ring for horizontal split multi-stage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117556U (en) |
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2019
- 2019-11-27 CN CN201922074146.1U patent/CN211117556U/en active Active
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