CN220667922U - Fire pump with bearing cooling function - Google Patents
Fire pump with bearing cooling function Download PDFInfo
- Publication number
- CN220667922U CN220667922U CN202321868327.1U CN202321868327U CN220667922U CN 220667922 U CN220667922 U CN 220667922U CN 202321868327 U CN202321868327 U CN 202321868327U CN 220667922 U CN220667922 U CN 220667922U
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- China
- Prior art keywords
- pump
- bearing
- water
- motor
- cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fire pump with a bearing cooling function, which comprises a pump body, a medium, a water-cooling bearing bracket, a water pump bearing, a coupler, a motor, an impeller and a pump shaft, wherein the pump body is provided with a water inlet; the side surface of the pump body is fixed with a water-cooling bearing bracket, and the pump body and the water-cooling bearing bracket form a non-closed space which is filled with the medium; a water pump bearing is sleeved on the pump shaft and is positioned in the water cooling bearing bracket; the two ends of the pump shaft are respectively connected with the impeller and the coupling, and the coupling is connected with the motor shaft of the motor. According to the utility model, the outer wall of the water pump bearing is placed in a medium environment, heat generated by the bearing is taken away through medium flow, the service life of the bearing is prolonged, and the operation life and stability of the fire pump are improved. The fire pump has the remarkable advantages of reasonable structure, long service life, low running noise, preferential price and the like.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting facilities, relates to a fire-fighting pump structure, and in particular relates to a fire-fighting pump with a bearing cooling function.
Background
The fire pump is widely applied to the fields of environmental protection, water treatment, fire protection and the like, is mainly used for pressurizing and delivering water for pipelines of fire protection systems, and can also be applied to occasions such as pressurizing and delivering water for high-rise buildings, remotely delivering water, heating, bathroom, circulating and pressurizing cold and warm water of boilers, delivering water for air conditioning and refrigerating systems, matching equipment and the like.
The structure of the traditional fire pump is shown in figure 1, and the motor adopts a special customized motor (such as a direct connection motor), so that the customization period is long and the price is high; in addition, this fire pump's pump shaft and motor lug connection, the pump shaft is equipped with the bearing outward and locates in the motor in the bearing, nevertheless can produce a large amount of heat when the fire pump at the during operation, and the heat can not in time disperse and will lead to bearing life to shorten, and then leads to the operating life of fire pump to shorten, and the fire control facility corresponding to this fire pump even causes adverse effect.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the utility model aims to provide the fire pump with the bearing cooling function, which has the remarkable advantages of reasonable structure, long service life, low running noise, preferential price and the like.
The technical scheme of the utility model is as follows:
a fire pump with a bearing cooling function comprises a pump body, a medium, a water-cooling bearing bracket, a water pump bearing, a coupler, a motor, an impeller and a pump shaft; the side surface of the pump body is fixed with a water-cooling bearing bracket, and the pump body and the water-cooling bearing bracket form a non-closed space which is filled with the medium; a water pump bearing is sleeved on the pump shaft and is positioned in the water cooling bearing bracket; the two ends of the pump shaft are respectively connected with the impeller and the coupling, and the coupling is connected with the motor shaft of the motor.
Furthermore, the water-cooled bearing support is thickened, a bearing support cooling cavity is arranged in the thickened peripheral wall, and the bearing support cooling cavity is filled with the medium.
Further, the motor is a conventional standard motor.
Furthermore, the water-cooled bearing support frame is of a hollow lateral-lying convex structure.
Further, the shaft coupling is located outside the water-cooling bearing support, and the pump shaft is connected with the motor shaft through the shaft coupling.
Further, the inlet of the pump body is in a horizontal direction, and the outlet of the pump body is vertically upwards arranged; the motor is arranged in a horizontal structure; the pump body is coaxial with the motor through the pump shaft.
Further, the medium is fire water.
The utility model has the following advantages:
(1) The fire pump of the utility model adopts standard motor configuration, the motor is easy to purchase, the price is low, and special customization is not needed.
(2) According to the water-cooling bearing support of the fire pump, the water pump bearing is placed in a medium environment, heat generated by the water pump bearing is taken away through medium flow, the service life of the bearing is prolonged, and the service life and stability of the fire pump are improved.
(3) On the basis of the motor bearing of the traditional fire pump, the fire pump is additionally provided with a group of deep groove ball bearings (namely water pump bearings) for supporting so as to improve the running stability.
(4) The inlet of the pump body of the fire pump is in the horizontal direction, and the outlet of the pump body is vertically upwards arranged, so that a pipeline is simplified; the motor is of a horizontal structure, and is convenient to maintain.
(5) The fire pump of the utility model runs steadily: the motor shaft and the pump shaft are connected by adopting a coupling, so that the operation is stable, the noise is low, the vibration is small, and the concentricity of the assembly is high.
(6) The fire pump has compact structure, small volume, beautiful appearance and small occupied area.
Drawings
FIG. 1 is a schematic diagram of a conventional fire pump in the background art;
FIG. 2 is a schematic view of the fire pump of the present utility model;
wherein, 1 part of the pump body, 2 parts of the medium, 3 parts of the bearing bracket cooling cavity, 4 parts of the water-cooled bearing bracket, 5 parts of the water pump bearing, 6 parts of the coupling, 7, a motor bearing, 8, a standard motor, 9, an impeller, 10, a pump shaft, 11, a motor shaft, 12, a bracket, 13, a direct connection motor, 14 and a direct connection shaft.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
Referring to fig. 2, the fire pump with bearing cooling function of the present embodiment includes a pump body 1 (which is made of spheroidal graphite cast iron), a medium 2 (which is fire water), a bearing support cooling chamber 3, a water-cooled bearing support 4 (which is made of spheroidal graphite cast iron), a water pump bearing 5 (which is made of high-strength bearing steel), a coupling 6 (which is made of carbon steel), a motor bearing 7 (which is made of high-strength bearing steel), a standard motor 8, an impeller 9 (which is made of stainless steel), a pump shaft 10 (which is made of stainless steel), and a motor shaft 11 (which is made of carbon steel);
the inlet of the pump body 1 is in a horizontal direction (the inlet in fig. 2 is positioned at the left side), and the outlet is vertically upwards arranged, so that a pipeline is simplified.
The bottom of the pump body 1 is provided with a base and a bolt hole, and the pump body can be arbitrarily and rigidly connected or flexibly connected and fixed, so that the installation position is stable.
The side of the pump body 1 (the side opposite to the inlet of the pump body 1) is provided with a water-cooled bearing bracket 4, the pump body 1 and the water-cooled bearing bracket 4 form a closed space, and the space is filled with a medium 2. Preferably, the water-cooled bearing support 4 is of a hollow side-lying convex structure.
An impeller 9 is arranged in the pump body 1, and the impeller 9 is vertically connected to one end of a pump shaft 10.
The pump shaft 10 is sleeved with a water pump bearing 5. On the basis of the traditional fire pump, the fire pump of the embodiment is additionally provided with a group of deep groove ball bearings (namely, the water pump bearing 5) for supporting so as to improve the running stability.
The water pump bearing 5 is located in the water-cooled bearing holder 4 (as shown in fig. 2, the space between the water-cooled bearing holder 4 and the pump body 1 is filled with the medium 2, and the water pump bearing 5 is not located in the direct-connected motor 13 as shown in fig. 1).
Through carrying out special thickening design to water-cooling bearing support 4, increase bearing support cooling chamber 3 in the four walls of thickening to form bearing support cooling chamber 3 in the bearing outside, be full of medium 2 in the bearing support cooling chamber 3, place the outer wall of water pump bearing 5 in the medium 2 environment, take away the heat that water pump bearing 5 produced through medium 2 flow, prolong the life of water pump bearing 5, improve the operating life and the stability of fire pump.
The other end of the pump shaft 10 is provided with a coupler 6, the coupler 6 is positioned outside the water-cooling bearing bracket 4, and the pump shaft 10 is connected with a motor shaft 11 through the coupler 6 so as to drive the impeller 9 to work.
The motor shaft 11 is sleeved with a motor bearing 7.
The motor is of a horizontal structure, and is convenient to maintain. The motor of this embodiment is a standard motor 8, which is easy to purchase, low in price, and does not require special customization.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the claims of the present utility model.
Claims (6)
1. The fire pump with the bearing cooling function is characterized by comprising a pump body, a medium, a water-cooling bearing bracket, a water pump bearing, a coupler, a motor, an impeller and a pump shaft;
the side surface of the pump body is fixed with a water-cooling bearing bracket, and the pump body and the water-cooling bearing bracket form a non-closed space which is filled with the medium;
a water pump bearing is sleeved on the pump shaft and is positioned in the water cooling bearing bracket;
the two ends of the pump shaft are respectively connected with the impeller and the coupling, and the coupling is connected with the motor shaft of the motor.
2. The fire pump with the bearing cooling function according to claim 1, wherein the water-cooled bearing support is thickened, a bearing support cooling cavity is arranged in the thickened peripheral wall, and the bearing support cooling cavity is filled with the medium.
3. A fire pump with bearing cooling function as claimed in claim 1 or 2, wherein the water cooled bearing support is of hollow side-lying "convex" type construction.
4. The fire pump with bearing cooling function as claimed in claim 1 or 2, wherein the coupling is located outside the water-cooled bearing bracket, and the pump shaft is connected with the motor shaft through the coupling.
5. The fire pump with bearing cooling function as claimed in claim 1 or 2, wherein the inlet of the pump body is in a horizontal direction, and the outlet is arranged vertically upwards; the motor is arranged in a horizontal structure; the pump body is coaxial with the motor through the pump shaft.
6. A fire pump with bearing cooling function as claimed in claim 1 or 2, wherein the medium is fire water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868327.1U CN220667922U (en) | 2023-07-17 | 2023-07-17 | Fire pump with bearing cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868327.1U CN220667922U (en) | 2023-07-17 | 2023-07-17 | Fire pump with bearing cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667922U true CN220667922U (en) | 2024-03-26 |
Family
ID=90339678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321868327.1U Active CN220667922U (en) | 2023-07-17 | 2023-07-17 | Fire pump with bearing cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667922U (en) |
-
2023
- 2023-07-17 CN CN202321868327.1U patent/CN220667922U/en active Active
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