CN217728627U - Novel sleeve for overhauling QJ type deep well pump - Google Patents
Novel sleeve for overhauling QJ type deep well pump Download PDFInfo
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- CN217728627U CN217728627U CN202220487267.8U CN202220487267U CN217728627U CN 217728627 U CN217728627 U CN 217728627U CN 202220487267 U CN202220487267 U CN 202220487267U CN 217728627 U CN217728627 U CN 217728627U
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- sleeve
- thick bamboo
- type deep
- barrel
- well pump
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Abstract
The utility model provides a QJ type deep well pump overhauls and uses novel sleeve relates to electric power industry technical field, including a cylinder section of thick bamboo, a bottom fixedly connected with toper section of thick bamboo of a cylinder section of thick bamboo. The utility model discloses: the sleeve equipment is horn-shaped, the inner diameter of the sleeve is cylindrical, the appearance is formed by combining a top cylindrical barrel and a lower conical barrel, the length of the cylindrical barrel is 20mm, and the overall length of the sleeve is 150mm (the sleeve can be enlarged or reduced in equal proportion according to actual maintenance sites). The cylinder section of thick bamboo can guarantee that the sleeve top can fully enter the ejecting taper sleeve of impeller device hole, and the sleeve wholly adopts the toper design, and the bottom thickness 10mm of a taper section of thick bamboo can carry out the proportional control according to the axle sleeve size, has extremely strong resistance to beating and beats the nature, and the effectual afterbody that prevents warp, the great atress contact surface of afterbody can will beat the steady transmission of power to the junction of taper sleeve and impeller device. The sleeve is formed by turning a No. 45 steel blank, and is subjected to quenching and tempering treatment after turning, the hardness is more than or equal to 260HB, or the sleeve is made of T7 carbon tool steel, so that deformation in the knocking process is prevented.
Description
Technical Field
The utility model relates to an electric power industry technical field especially relates to a QJ type deep-well pump overhauls uses novel sleeve.
Background
Present industrial and civilian QJ type deep-well pump is mostly the multistage pump, and the water pump impeller adopts impeller device fixed and location, and impeller device is easy wearing and tearing part, and long-term operation is very easily damaged, needs regularly to disintegrate to the water pump and overhauls the change and damage the part. When the water pump overhauls and disassembles the impeller, the sleeve is needed to be used for disassembling the impeller fixing impeller device and then the impeller can be disassembled.
At present, tools for detaching impeller devices are not available in the market, steel pipes matched with the impeller devices in size are commonly used as sleeves in practical overhaul, the steel pipes are not strong enough to be used for detachment due to the fact that the wall thickness of the impeller devices is thin (less than or equal to 3 mm), the top of the sleeves are deformed, cracked and opened, or the top of the sleeves are seriously deformed and blocked with inner holes of the impellers in the detaching process, 1-stage impellers are detached to replace 3-5 sleeves, and most impellers cannot be detached due to the fact that the impeller devices are high in tightening force; the impeller device can not be ensured to be installed in place during installation, the pretightening force is sufficient, and the overhauling quality can not be controlled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, provide a QJ type deep-well pump overhauls and uses novel sleeve, can more convenient efficient dismantle the fixed impeller device of impeller, practice thrift the cost of labor, and when installing the impeller, the sleeve top can get into impeller hole extrusion axle sleeve and can ensure that impeller device installs and targets in place, and the pretightning force accords with the acceptance standard, ensures water pump maintenance quality.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a QJ type deep well pump overhauls and uses novel sleeve, includes a cylinder section of thick bamboo, a bottom fixedly connected with toper section of thick bamboo of a cylinder section of thick bamboo, the top sliding connection of a cylinder section of thick bamboo has the toper cover, the bottom through connection of toper cover has the pump shaft, the bottom fixedly connected with impeller device of pump shaft.
Preferably, the diameter of the inner wall of the cylindrical barrel is consistent with that of the inner wall of the conical barrel.
Preferably, the height of the cylindrical barrel is 20mm, and the height of the conical barrel is 130mm.
Preferably, the bottom thickness of the cone-shaped cylinder is set to be 10mm.
Preferably, the diameters of the inner walls of the cylindrical barrel and the conical barrel are matched with the pump shaft.
Preferably, the diameter of the bottom of the impeller device is larger than the outer diameter of the top of the cylindrical barrel.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect, the utility model discloses in practical: sleeve equipment is tubaeform, the sleeve internal diameter is cylindrically, the appearance is formed by the combination of a top cylinder and a lower part toper section of thick bamboo, cylinder section of thick bamboo length 20mm can be adjusted according to the on-the-spot actual condition of overhauing, the whole length 150mm of sleeve can enlarge or dwindle according to overhauing on-the-spot actual equal proportion, the cylinder section of thick bamboo can guarantee that the sleeve top can fully enter the ejecting taper sleeve of hole of impeller device, the sleeve wholly adopts the toper design, the bottom thickness 10mm of a taper section of thick bamboo can carry out scale adjustment according to the axle sleeve size and have extremely strong resistance to beating, the effectual afterbody that prevents warp, the great atress contact surface of afterbody can be with hitting the steady transmission of power to the junction of taper sleeve and impeller device. The sleeve is formed by turning a No. 45 steel blank, and is subjected to quenching and tempering treatment after turning, the hardness is more than or equal to 260HB, or the sleeve is made of T7 carbon tool steel, so that deformation in the knocking process is prevented.
Drawings
FIG. 1 is a schematic structural view of the utility model, which provides a use state of a novel sleeve for the maintenance of a QJ type deep well pump;
FIG. 2 is a schematic structural view of the novel sleeve for overhauling the QJ-type deep well pump, which is provided by the utility model;
FIG. 3 is a front view of the novel sleeve for overhauling the QJ-shaped deep well pump provided by the utility model;
fig. 4 is the utility model provides a novel telescopic top view is used in maintenance of QJ type deep-well pump.
Illustration of the drawings:
1. a cylindrical barrel; 2. a tapered barrel; 3. a conical sleeve; 4. a pump shaft; 5. an impeller device.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.
The embodiment, as shown in fig. 1-4, a novel sleeve for overhauling a QJ-type deep well pump, comprising a cylindrical barrel 1, wherein the bottom of the cylindrical barrel 1 is fixedly connected with a conical barrel 2, the inner wall diameter of the cylindrical barrel 1 is consistent with that of the conical barrel 2, the bottom thickness of the conical barrel 2 is set to be 10mm, the height of the cylindrical barrel 1 is 20mm, the height of the conical barrel 2 is 130mm, the top of the cylindrical barrel 1 is contacted with a conical sleeve 3, the inner wall of the conical sleeve 3 is slidably connected with a pump shaft 4, the inner wall diameters of the cylindrical barrel 1 and the conical barrel 2 are matched with the pump shaft 4, the outer wall of the conical sleeve 3 is slidably connected with an impeller device 5, and the bottom diameter of the impeller device 5 is greater than the outer diameter of the top of the cylindrical barrel 1.
The sleeve equipment is horn-shaped, the inner diameter of the sleeve is cylindrical, the appearance is formed by combining a top cylindrical barrel 1 and a lower conical barrel 2, the length of the cylindrical barrel 1 is 20mm and can be adjusted according to the actual condition of field maintenance, and the integral length of the sleeve is 150mm and can be enlarged or reduced according to the actual equal proportion of the maintenance field. The ejecting taper sleeve 3 of the hole that impeller device 5 can be fully entered into at a cylinder section of thick bamboo 1, and the whole toper design that adopts of sleeve, the bottom thickness 10mm of a taper section of thick bamboo 2 can carry out the proportional adjustment according to the axle sleeve size and have extremely strong resistance to beating, and the effectual afterbody that prevents warp, and the great atress contact surface of afterbody can will hit the steady transmission of power to the junction of taper sleeve 3 and impeller device 6. The sleeve is formed by turning a No. 45 steel blank, and is subjected to quenching and tempering treatment after turning, the hardness is more than or equal to 260HB, or the sleeve is made of T7 carbon tool steel, so that deformation in the knocking process is prevented.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a QJ type deep-well pump overhauls uses novel sleeve, includes a cylinder section of thick bamboo (1), its characterized in that: the pump is characterized in that a conical barrel (2) is fixedly connected to the bottom of the cylindrical barrel (1), a conical sleeve (3) is in contact with the top of the cylindrical barrel (1), a pump shaft (4) is connected to the inner wall of the conical sleeve (3) in a sliding mode, and an impeller device (5) is connected to the outer wall of the conical sleeve (3) in a sliding mode.
2. The novel sleeve for overhauling the QJ-type deep well pump as claimed in claim 1, is characterized in that: the diameter of the inner wall of the cylindrical barrel (1) is consistent with that of the inner wall of the conical barrel (2).
3. The novel sleeve for overhauling the QJ-type deep well pump as claimed in claim 1, is characterized in that: the height of the cylindrical barrel (1) is 20mm, and the height of the conical barrel (2) is 130mm.
4. The novel sleeve for overhauling the QJ-type deep well pump as claimed in claim 1, is characterized in that: the bottom thickness of the conical cylinder (2) is set to be 10mm.
5. The novel sleeve for overhauling the QJ-type deep well pump as claimed in claim 1, is characterized in that: the diameters of the inner walls of the cylindrical barrel (1) and the conical barrel (2) are matched with the pump shaft (4).
6. The novel sleeve for overhauling the QJ-type deep well pump as claimed in claim 1, is characterized in that: the diameter of the bottom of the impeller device (5) is larger than the outer diameter of the top of the cylindrical barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487267.8U CN217728627U (en) | 2022-03-08 | 2022-03-08 | Novel sleeve for overhauling QJ type deep well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220487267.8U CN217728627U (en) | 2022-03-08 | 2022-03-08 | Novel sleeve for overhauling QJ type deep well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217728627U true CN217728627U (en) | 2022-11-04 |
Family
ID=83815421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220487267.8U Active CN217728627U (en) | 2022-03-08 | 2022-03-08 | Novel sleeve for overhauling QJ type deep well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217728627U (en) |
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2022
- 2022-03-08 CN CN202220487267.8U patent/CN217728627U/en active Active
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