CN219953745U - High-pressure descaling water pump with cylinder bearing high pressure difference - Google Patents
High-pressure descaling water pump with cylinder bearing high pressure difference Download PDFInfo
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- CN219953745U CN219953745U CN202321642186.1U CN202321642186U CN219953745U CN 219953745 U CN219953745 U CN 219953745U CN 202321642186 U CN202321642186 U CN 202321642186U CN 219953745 U CN219953745 U CN 219953745U
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- driving end
- pump cover
- rear pump
- high pressure
- cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 72
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A high-pressure descaling water pump with a barrel bearing high pressure difference relates to a high-pressure descaling water pump, wherein an inner shell (12) is arranged in a barrel component (11); the rear pump cover outer sealing gasket (13) is arranged in the sealing groove of the rear pump cover (15), the rear pump cover (15) is arranged at the right end of the barrel component (11), and the rear pump cover (15), the inner shell (12) and the barrel component (11) are pressed and fixed together by the nut (16), the stud (17) and the gasket (18); a balance bush (22) is mounted on the inner housing (12); the inner sealing gasket (14) of the rear pump cover is arranged in the sealing groove of the non-driving end sealing box body (19), the non-driving end sealing box body (19) is arranged on the rear pump cover (15), and the sealing gasket is screwed down by the stud (8) and the nut (9); the cylinder member (11) and the reinforcing rib plate are connected by welding. The cylinder member enhances the strength of the bearing part, solves the problem that a through hole is formed in the pressure difference part, and ensures the safe and stable operation of the high-pressure descaling water pump.
Description
Technical Field
The utility model relates to a high-pressure descaling water pump with a cylinder bearing a high pressure difference, in particular to a high-pressure descaling water pump.
Background
The high-pressure descaling water pump is a horizontal multistage centrifugal water pump, a barrel component is designed into an installation mode of jacking and ejecting foot support, and foot support blocks, balance pipe joint flanges, a suction short pipe, a discharge short pipe, lifting rings and a barrel are arranged on the barrel component.
The high-pressure cavity and the low-pressure cavity of the cylinder body are subjected to large pressure difference, so that a through hole is formed in the high-pressure difference part and the low-pressure difference part, the pressure suddenly drops, the descaling requirement cannot be met, and the pump is forced to stop. According to the condition that the construction of the on-site pipeline is difficult; the axial positions of the suction nozzle and the discharge nozzle cannot be changed, and in order to solve the problem that a through hole is formed at the high pressure difference part and the low pressure difference part, it is necessary to develop a high-pressure descaling water pump which can bear the high pressure difference and meet the requirement of field installation on a barrel member.
Disclosure of Invention
The utility model aims at providing a high-pressure descaling water pump with a cylinder bearing a high pressure difference, and provides a water pump with a cylinder component with enough strength, wherein the position of a suction nozzle and a discharge nozzle is changed, the water pump solves the problem that a through hole is formed in a pressure difference part, and the high-pressure descaling water pump is ensured to run safely and stably.
The utility model is realized by the following technical scheme:
the high-pressure descaling water pump comprises a driving end bearing body, a driving end bearing body stud, a driving end bearing body nut, a driving end sealing box body, a screw, a mechanical seal, a sealing ring, a stud, a nut, a sealing gasket, a cylinder member, an inner shell, a rear pump cover outer sealing gasket, a rear pump cover inner sealing gasket, a rear pump cover nut, a rear pump cover stud, a rear pump cover gasket, a non-driving end sealing box body, a non-driving end bearing body and a balance bushing;
the inner shell is arranged inside the barrel component; the rear pump cover outer sealing gasket is arranged in the rear pump cover sealing groove, the rear pump cover is arranged at the right end of the barrel component, and the rear pump cover nut, the rear pump cover stud and the gasket are used for pressing and fixing the rear pump cover, the inner shell and the barrel component together; the balance bushing is arranged on the inner shell; the inner sealing gasket of the rear pump cover is arranged in the sealing groove of the non-driving end sealing box body, and the non-driving end sealing box body is arranged on the rear pump cover and is screwed by a stud and a nut; the driving end bearing body stud and the driving end bearing body nut respectively fix the driving end bearing body and the non-driving end bearing body on the driving end sealing box body and the non-driving end sealing box body, and are screwed up by screws; the cylinder member and the reinforcing rib plate are connected by welding.
The sealing gasket and the sealing cavity are arranged in the sealing groove of the driving end sealing box body.
The high-pressure descaling water pump with the cylinder bearing the high pressure difference is characterized in that the driving end sealing box body is arranged on the cylinder component and is screwed by the stud and the nut.
The mechanical seal and the screw are respectively arranged on the driving end sealing box body and the non-driving end sealing box body.
The high-pressure descaling water pump provided with the cylinder bearing the high pressure difference has the advantages that the thickness of the part of the cylinder component bearing the pressure difference is 43mm.
The circular arc of the part of the barrel component bearing the pressure difference, namely the circular arc in the direction of the discharge opening and the radial direction, is R16mm.
The high-pressure descaling water pump with the cylinder bearing the high pressure difference is characterized in that an inlet reinforcing rib plate with the thickness of 20mm and a 30-degree conical surface is welded at the suction hole position of the cylinder component, namely at the low pressure side.
The utility model has the advantages and effects that:
1. the cylinder member does not change the axial installation positions of the suction pipe orifice and the discharge pipe orifice of the original pump, and ensures that the installation pipe orifice position on site is unchanged.
2. The cylinder member enhances the strength of the bearing part, solves the problem that a through hole is formed in the pressure difference part, and ensures the safe and stable operation of the high-pressure descaling water pump.
Drawings
FIG. 1 is a schematic view of a high pressure descaling water pump of the present utility model with a barrel member installed;
FIG. 2 is a schematic view of the structure of the barrel component of the present utility model;
FIG. 3 is a schematic view showing the structure of the upper part of the suction inlet of the cylinder member of the present utility model;
fig. 4 is a schematic structural view of a reinforcing rib plate of a barrel member according to the present utility model.
In the figure: the driving end bearing body 1, the driving end bearing body stud 2, the driving end bearing body nut 3, the driving end sealing box body 4, the screw 5, the mechanical seal 6, the sealing ring 7, the first stud 8, the first nut 9, the sealing gasket 10, the cylinder body component 11, the inner shell 12, the rear pump cover outer sealing gasket 13, the rear pump cover inner sealing gasket 14, the rear pump cover 15, the rear pump cover nut 16, the rear pump cover stud 17, the rear pump cover gasket 18, the non-driving end sealing box body 19, the non-driving end bearing body 20 and the balance bushing 22.
Description of the embodiments
The present utility model will be described in detail with reference to the embodiments shown in the drawings.
As shown in fig. 1, the components of the present utility model are a driving end bearing body 1, a driving end bearing body stud 2, a driving end bearing body nut 3, a driving end sealing body 4, a screw 5, a mechanical seal 6, a seal ring 7, a stud 8, a nut 9, a gasket 10, a cylinder member 11, an inner housing 12, a rear pump cover outer gasket 13, a rear pump cover inner gasket 14, a rear pump cover 15, a rear pump cover nut 16, a rear pump cover stud 17, a rear pump cover gasket 18, a non-driving end sealing body 19, a non-driving end bearing body 20, and a balance bushing 22. The assembled inner housing 12 is mounted inside the cylinder member 11 with a tool; the rear pump cover outer sealing gasket 13 is arranged in the sealing groove of the rear pump cover 15, the rear pump cover 15 is arranged at the right end of the barrel member 11 through a spigot, and the rear pump cover 15, the inner shell 12 and the barrel member 11 are pressed and fixed together by utilizing the nuts 16, the studs 17 and the gaskets 18.
A balance bushing 22 is mounted on the inner housing 12.
The inner sealing gasket 14 of the rear pump cover is arranged in the sealing groove of the non-driving end sealing box body 19, the non-driving end sealing box body 19 is arranged on the rear pump cover 15 through a spigot, and the stud 8 and the nut 9 are screwed.
The sealing gasket 10 and the sealing cavity are arranged in the sealing groove of the driving end sealing box body 4, the driving end sealing box body 4 is arranged on the cylinder body member 11 through the spigot, and the stud 8 and the nut 9 are screwed.
The mechanical seal 6 and the screw 5 are respectively arranged on the driving end sealing box body 4 and the non-driving end sealing box body 19.
The gap between the driving end bearing body 1 and the non-driving end bearing body 20 and the inner shell 12 is adjusted, the driving end bearing body 1 and the non-driving end bearing body 20 are respectively fixed on the driving end sealing box body 4 and the non-driving end sealing box body 19 by utilizing the driving end bearing body stud 2 and the driving end bearing body nut 3, and the screw 5 is screwed.
As shown in fig. 2, the thickness of the pressure difference bearing part of the barrel component for the descaling water pump is increased, the thickness of the suction vortex chamber flange is reduced while the installation requirement is met, the axial dimensions of the first-stage middle section and the first-stage guide vane are increased, the thickness of the pressure difference bearing part of the barrel component is increased from 28mm to 43mm, and the strength of the barrel component is enhanced.
The utility model enlarges the circular arc of the part of the barrel component bearing the pressure difference, reduces the stress singular point, and increases the circular arc to R16mm towards the direction of the discharge opening and the radial direction as shown in figure 2 because the radial thickness of the barrel component is enough, does not influence the strength of the barrel component, and can enhance the pressure resistance of the stress concentration point part.
The barrel component is added with an inlet part reinforcing rib plate; the deformation of the pressure difference bearing part of the cylinder member is reduced, and under the condition that the flow is not influenced, an inlet reinforcing rib plate with a 30-degree conical surface and a thickness of 20mm is welded at the suction hole position of the cylinder member, namely at the low pressure side, as shown in fig. 2, 3 and 4, so that the deformation of the weak point of the cylinder member is reduced.
As shown in fig. 2, stainless steel is deposited on the inner overflow part of the cylinder member, so that the pressure resistance and the scouring resistance are improved, and the installation is convenient.
As shown in fig. 3 and 4, the tubular member and the reinforcing rib plate of the present utility model are connected by welding.
Claims (7)
1. The high-pressure descaling water pump comprises a driving end bearing body, a driving end bearing body stud, a driving end bearing body nut, a driving end sealing box body, a screw, a mechanical seal, a sealing ring, a stud, a nut, a sealing gasket, a cylinder member, an inner shell, a rear pump cover outer sealing gasket, a rear pump cover inner sealing gasket, a rear pump cover nut, a rear pump cover stud, a rear pump cover gasket, a non-driving end sealing box body, a non-driving end bearing body and a balance bushing;
the method is characterized in that: the inner shell (12) is arranged inside the cylinder member (11); the rear pump cover outer sealing gasket (13) is arranged in the sealing groove of the rear pump cover (15), the rear pump cover (15) is arranged at the right end of the cylinder body component (11), and the rear pump cover nut (16), the rear pump cover stud (17) and the gasket (18) are used for tightly pressing and fixing the rear pump cover (15), the inner shell (12) and the cylinder body component (11) together; a balance bush (22) is mounted on the inner housing (12); the inner sealing gasket (14) of the rear pump cover is arranged in the sealing groove of the non-driving end sealing box body (19), the non-driving end sealing box body (19) is arranged on the rear pump cover (15), and the sealing gasket is screwed down by the stud (8) and the nut (9); the driving end bearing body stud (2) and the driving end bearing body nut (3) respectively fix the driving end bearing body (1) and the non-driving end bearing body (20) on the driving end sealing box body (4) and the non-driving end sealing box body (19) and are screwed up by the screw (5); the cylinder member (11) and the reinforcing rib plate are connected by welding.
2. A high pressure descaling water pump with a cylinder subject to high pressure difference according to claim 1, characterized in that the gasket (10) and the sealing cavity are installed in the sealing groove of the driving end sealing box (4).
3. A high pressure descaling water pump with a cylinder subjected to high pressure difference according to claim 1, characterized in that the drive end sealing box (4) is mounted on the cylinder member (11) and is screwed down by a stud (8) and a nut (9).
4. A high pressure descaling water pump with a cylinder subjected to high pressure difference according to claim 1, characterized in that the mechanical seal (6) and the screw (5) are mounted on the driving end sealing box (4) and the non-driving end sealing box (19), respectively.
5. A high pressure descaling water pump having a high pressure differential receiving cylinder according to claim 1, wherein the cylinder member (11) has a thickness of 43mm at the pressure differential receiving portion.
6. A high-pressure descaling water pump having a high pressure differential receiving cylinder according to claim 1, wherein the circular arc of the pressure differential receiving portion of the cylinder member (11), i.e., the discharge port direction and the radial direction circular arc, is R16mm.
7. A high pressure descaling water pump with a cylinder subjected to high pressure difference according to claim 1, characterized in that the suction hole of the cylinder member (11) is welded with an inlet reinforcing plate of 30 degree conical surface and 20mm thickness at the low pressure side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642186.1U CN219953745U (en) | 2023-06-27 | 2023-06-27 | High-pressure descaling water pump with cylinder bearing high pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642186.1U CN219953745U (en) | 2023-06-27 | 2023-06-27 | High-pressure descaling water pump with cylinder bearing high pressure difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953745U true CN219953745U (en) | 2023-11-03 |
Family
ID=88539119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321642186.1U Active CN219953745U (en) | 2023-06-27 | 2023-06-27 | High-pressure descaling water pump with cylinder bearing high pressure difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953745U (en) |
-
2023
- 2023-06-27 CN CN202321642186.1U patent/CN219953745U/en active Active
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