CN220365708U - Pump shaft cooling device - Google Patents
Pump shaft cooling device Download PDFInfo
- Publication number
- CN220365708U CN220365708U CN202223193771.6U CN202223193771U CN220365708U CN 220365708 U CN220365708 U CN 220365708U CN 202223193771 U CN202223193771 U CN 202223193771U CN 220365708 U CN220365708 U CN 220365708U
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- CN
- China
- Prior art keywords
- water
- cooling
- cooling coil
- pump shaft
- connecting sleeves
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a pump shaft cooling device, which comprises a cooling coil pipe sleeved on a pump shaft, two water delivery pipelines connected with a water inlet and a water outlet of the cooling coil pipe, two connecting sleeves used for connecting a water inlet and a water outlet of the cooling coil pipe with the two water delivery pipelines, and a cooling cover plate arranged at the side of the pump shaft; the two connecting sleeves penetrate through and are welded and fixed on the cooling cover plate; the water inlet and the water outlet of the cooling coil are respectively inserted into the left ends of the two connecting sleeves, and the front end parts of the water inlet and the water outlet of the cooling coil tightly prop against the inner step surface of the annular positioning groove of the left end of the connecting sleeve and are welded and fixed; the front ends of the two water delivery pipelines are respectively connected in threaded connection holes at the right ends of the two connecting sleeves in a threaded manner, so that the water inlet and the water outlet of the cooling coil are respectively communicated with the two water delivery pipelines. According to the pump shaft cooling device, the welding fixing reliability of one end of the cooling coil pipe and the interchangeability of parts are improved.
Description
Technical Field
The utility model relates to a pump shaft cooling device, and belongs to the technical field of cooling structures for pumps.
Background
When high-temperature medium is conveyed, a cooling device is often required to be arranged in order to prevent the temperature rise of the pump bearing from being too high.
In the prior art, a traditional pump shaft cooling device is shown in fig. 1, and comprises a cooling coil sleeved on a pump shaft, two water delivery pipelines connected with a water inlet and a water outlet of the cooling coil, two connecting sleeves for connecting a water inlet and a water outlet of the cooling coil with the two water delivery pipelines, and a cooling cover plate arranged at the side of the pump shaft and used for supporting the connecting sleeves; the two connecting sleeves penetrate through and are welded and fixed on the cooling cover plate, the water inlet and the water outlet of the cooling coil are respectively inserted into one ends of the two connecting sleeves and are welded and fixed, and the front ends of the two water conveying pipelines are respectively inserted into the other ends of the two connecting sleeves and are welded and fixed, so that the water inlet and the water outlet of the cooling coil are respectively communicated with the two water conveying pipeline.
The conventional cooling device for the pump has the defects that firstly, the insertion depth of a water inlet and a water outlet of a cooling coil in a connecting sleeve and the insertion depth of two water delivery pipelines in the connecting sleeve are not positioned, pipeline movement easily occurs in the transportation process or the use process to cause the failure of a welding seam, and the water leakage of a cooler is caused; and secondly, the two water delivery pipelines and the connecting sleeve are completely fixed in a welding mode, the connection size of the cooler cannot be changed according to the requirements of clients, and the interchangeability of parts is not enough.
Disclosure of Invention
The utility model aims to solve the problems that a welding line is easy to fail, interchangeability of parts is not strong and the like in the traditional pump shaft cooling device.
The utility model aims at realizing the following technical scheme:
the utility model relates to a pump shaft cooling device, which comprises a cooling coil pipe sleeved on a pump shaft, two water delivery pipelines connected with a water inlet and a water outlet of the cooling coil pipe, two connecting sleeves used for connecting a water inlet and a water outlet of the cooling coil pipe with the two water delivery pipelines, and a cooling cover plate arranged at the side of the pump shaft and used for supporting the connecting sleeves; the two connecting sleeves penetrate through and are welded and fixed on the cooling cover plate;
an annular positioning groove with the inner diameter matched with the outer diameter of a water inlet and a water outlet of the cooling coil is formed in the inner wall of the left port part of the connecting sleeve, and a threaded connecting hole is formed in the inner wall of the right port part of the cooling cover plate; external threads matched with the right-end threaded connecting holes of the connecting sleeves are processed on the outer walls of the front ends of the two water conveying pipelines;
the water inlets and the water outlets of the cooling coils are respectively spliced at the left ends of the two connecting sleeves, and the front end parts of the water inlets and the water outlets of the cooling coils tightly prop against the inner step surface of the annular positioning groove at the left end of the connecting sleeve and are welded and fixed; the front ends of the two water delivery pipelines are respectively connected in threaded connection holes at the right ends of the two connecting sleeves in a threaded manner, so that the water inlet and the water outlet of the cooling coil are respectively communicated with the two water delivery pipelines.
The locking nuts are sleeved on the front end side walls of the two water conveying lines in a threaded mode, and the depth of the water conveying lines screwed into the connecting sleeve is locked through the locking nuts.
Advantageous effects
According to the pump shaft cooling device, the positioning step is additionally arranged at the left end of the connecting sleeve, so that the reliability of welding and fixing one end of the cooling coil pipe is improved; the connecting sleeve is in threaded connection with the water conveying pipeline, so that the connection form or size can be changed according to the requirements of customers, and the interchangeability of parts is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional pump shaft cooling device;
FIG. 2 is a schematic view of a pump shaft cooling device according to the present utility model;
in the figure, a cooling coil pipe 1, a cooling cover plate 2, a connecting sleeve 3, a water conveying pipeline 4 and a locking nut 5.
Detailed Description
The utility model is further described below with reference to the drawings and examples:
examples
As shown in fig. 2, the pump shaft cooling device comprises a cooling coil pipe 1 sleeved on a pump shaft, two water delivery pipelines 4 connected with a water inlet and a water outlet of the cooling coil pipe 1, two connecting sleeves 3 used for connecting a water inlet and a water outlet of the cooling coil pipe 1 with the two water delivery pipelines 4, and a cooling cover plate 2 arranged at the side of the pump shaft and used for supporting the connecting sleeves 3; the two connecting sleeves 3 penetrate through and are welded and fixed on the cooling cover plate 2;
an annular positioning groove with the inner diameter matched with the outer diameter of the water inlet and outlet of the cooling coil pipe 1 is processed on the inner wall of the left port part of the connecting sleeve 3, and a threaded connecting hole is processed on the inner wall of the right port part of the cooling cover plate 2; external threads matched with the right-end threaded connecting holes of the connecting sleeves 3 are machined on the outer walls of the front ends of the two water conveying pipelines 4;
the water inlet and the water outlet of the cooling coil 1 are respectively inserted into the left ends of the two connecting sleeves 3, and the front end parts of the water inlet and the water outlet of the cooling coil 1 tightly prop against the inner step surface of the annular positioning groove of the left end of the connecting sleeve 3 and are welded and fixed; the front ends of the two water delivery pipelines 4 are respectively connected in threaded connection holes at the right ends of the two connecting sleeves 3 in a threaded manner, so that the water inlet and the water outlet of the cooling coil 1 are respectively communicated with the two water delivery pipelines 4.
The locking nuts 5 are sleeved on the side walls of the front ends of the two water conveying lines 4 in a threaded manner, and the depth of the water conveying lines 4 screwed into the connecting sleeve 3 is locked through the locking nuts 5.
Claims (2)
1. A pump shaft cooling device comprises a cooling coil pipe sleeved on a pump shaft, two water delivery pipelines connected with a water inlet and a water outlet of the cooling coil pipe, two connecting sleeves for connecting a water inlet and a water outlet of the cooling coil pipe with the two water delivery pipelines, and a cooling cover plate arranged at the side of the pump shaft and used for supporting the connecting sleeves; the two connecting sleeves penetrate through and are welded and fixed on the cooling cover plate;
the method is characterized in that: an annular positioning groove with the inner diameter matched with the outer diameter of a water inlet and a water outlet of the cooling coil is formed in the inner wall of the left port part of the connecting sleeve, and a threaded connecting hole is formed in the inner wall of the right port part of the cooling cover plate; external threads matched with the right-end threaded connecting holes of the connecting sleeves are processed on the outer walls of the front ends of the two water conveying pipelines;
the water inlets and the water outlets of the cooling coils are respectively spliced at the left ends of the two connecting sleeves, and the front end parts of the water inlets and the water outlets of the cooling coils tightly prop against the inner step surface of the annular positioning groove at the left end of the connecting sleeve and are welded and fixed; the front ends of the two water delivery pipelines are respectively connected in threaded connection holes at the right ends of the two connecting sleeves in a threaded manner, so that the water inlet and the water outlet of the cooling coil are respectively communicated with the two water delivery pipelines.
2. The pump shaft cooling device of claim 1, wherein: the locking nuts are sleeved on the front end side walls of the two water conveying lines in a threaded mode, and the depth of the water conveying lines screwed into the connecting sleeve is locked through the locking nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223193771.6U CN220365708U (en) | 2022-11-30 | 2022-11-30 | Pump shaft cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223193771.6U CN220365708U (en) | 2022-11-30 | 2022-11-30 | Pump shaft cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220365708U true CN220365708U (en) | 2024-01-19 |
Family
ID=89517853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223193771.6U Active CN220365708U (en) | 2022-11-30 | 2022-11-30 | Pump shaft cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220365708U (en) |
-
2022
- 2022-11-30 CN CN202223193771.6U patent/CN220365708U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |