Water cooling flange and fire pump

Abstract

The utility model relates to a water cooling flange and a fire pump, and relates to the field of fire pumps, the water cooling flange comprises a flange body, the flange body is located between a driving source and a speed reducer, a cooling flow channel is formed in the flange body, a liquid inlet and a liquid outlet are formed in the flange body, and the liquid inlet and the liquid outlet communicate with the flange body; comprising a driving source, a speed reducer arranged on the driving source and a pump body arranged on the speed reducer, the driving source drives the fire pump to work through the speed reducer, the fire pump further comprises a water cooling flange, and the driving source and the speed reducer abut against the two opposite sides of a flange body of the water cooling flange respectively. Heat dissipated from a driving source needs to be transmitted to the speed reducer through the water-cooling flange, in the actual use process, cooling water flows through the flange body of the water-cooling flange, and heat transmitted to the speed reducer is reduced advantageously with the heat at the flange body.

Description

Technical Field

[0001] The present application relates to the field of fire pumps, and in particular to a water-cooled flange and a fire pump. Background Art

[0002] In firefighting work, fire pumps are usually installed on fire trucks and fire extinguishing systems to transport liquid fire extinguishing agents such as water or foam solutions.

[0003] A fire pump generally includes a pump body, a driving source and a reducer. In related technologies, the driving source is connected to the reducer. As the fire pump is used for a longer time, the temperature rise at the driving source is directly transmitted to the reducer, causing the temperature of the reducer to rise, affecting the service life of the reducer. This needs to be improved. Utility Model Content

[0004] In order to increase the service life of the reducer, the present application provides a water-cooling flange.

[0005] In a first aspect, a water-cooling flange provided in the present application adopts the following technical solution.

[0006] A water-cooled flange comprises a flange body, wherein the flange body is located between a driving source and a reducer, a cooling channel is provided on the flange body, a liquid inlet and a liquid outlet are provided on the flange body, and the liquid inlet and the liquid outlet are connected to the flange body.

[0007] By adopting the above technical solution, during the operation of the fire pump, cooling water enters the cooling channel through the liquid inlet and then flows out from the liquid outlet. Part of the heat transferred to the reducer is transferred to the flange body. The cooling water takes away the heat of the flange body, cools the flange body and cools the reducer at the same time, which is beneficial to alleviate the temperature rise rate of the reducer, so that the temperature at the reducer is not easy to be too high, which is beneficial to increase the service life of the reducer.

[0008] Preferably, the cooling channel is annular along the axis of the flange body.

[0009] By adopting the above technical solution, it is beneficial to increase the occupied area of ​​the cooling channel, increase the contact area between the flange body and the cooling water, and improve the heat dissipation efficiency of the flange body.

[0010] Preferably, a plurality of heat dissipation grooves are provided on the flange body, and the plurality of heat dissipation grooves are arranged around the outer circumference of the cooling channel.

[0011] By adopting the above technical solution, the contact area between the flange body and the air is increased, which is beneficial to improving the heat dissipation efficiency of the flange body.

[0012] Preferably, a plurality of protrusions are provided on the flange body, and the protrusions are located in the cooling channel.

[0013] By adopting the above technical solution, when cooling water passes through the cooling channel, the cooling water contacts the protrusion, thereby increasing the contact area between the cooling water and the flange body, which is beneficial to improving the cooling effect of the cooling water.

[0014] Preferably, the flange body includes a flange plate and a cover plate arranged on the flange plate, the cooling channel, the liquid inlet and the liquid outlet are all arranged on the flange plate, the cover plate covers the cooling channel, and a plurality of positioning members are provided on the flange plate, and the positioning members are used to position the cover plate.

[0015] By adopting the above technical solution, as the fire pump is used for a longer time, impurities are easily accumulated inside the cooling channel. When the cooling channel needs to be cleaned, the positioning member can be moved to remove the cover plate from the flange, which is convenient for cleaning the cooling channel.

[0016] In a second aspect, the present application provides a fire pump adopting the following technical solution.

[0017] Preferably, it includes a driving source, a reducer arranged on the driving source and a pump body arranged on the reducer, wherein the driving source drives the fire pump to work through the reducer, and also includes a water-cooling flange, wherein the driving source and the reducer respectively abut against opposite sides of the flange body of the water-cooling flange.

[0018] By adopting the above technical solution, the heat dissipated from the driving source needs to be transferred to the reducer through the water-cooling flange. In actual use, the cooling water flows through the flange body of the water-cooling flange, carrying the heat from the flange body, which helps to reduce the heat transferred to the reducer.

[0019] Preferably, a water outlet and a water inlet are provided on the pump body, the water outlet is communicated with the liquid inlet, and the water inlet is communicated with the liquid outlet.

[0020] By adopting the above technical solution, while the driving source drives the pump body to work, part of the water flowing into the pump body enters the cooling channel, and there is no need to set up a separate driving source to drive the cooling water to flow into the cooling channel.

[0021] Preferably, a plurality of abutment blocks are provided on the driving source, and the driving source abuts against the flange body of the water-cooling flange through the abutment blocks.

[0022] By adopting the above technical solution, during the operation of the driving source, the heat at the driving source is transferred to the flange body of the water-cooled flange through the abutment block. By setting the abutment block, it is helpful to reduce the contact area between the flange pump body of the water-cooled flange and the driving source, which is helpful to reduce the heat transfer efficiency at the driving source, and further facilitate the heat transfer to the reducer.

[0023] In summary, the present application includes at least one of the following technical effects:

[0024] 1. Part of the heat transferred to the reducer is transferred to the flange body. The cooling water takes away the heat of the flange body. While cooling the flange body, it also cools the reducer, which is helpful to slow down the increase of the reducer temperature and prevent the temperature at the reducer from being too high, which is helpful to increase the service life of the reducer.

[0025] 2. The heat dissipated from the driving source needs to be transferred to the reducer through the water-cooling flange. In actual use, the cooling water flows through the flange body of the water-cooling flange, carrying the heat from the flange body, which is helpful to reduce the heat transfer to the reducer;

[0026] 3. When the driving source drives the pump body to work, part of the water flowing into the pump body enters the cooling channel, and there is no need to set up a separate driving source to drive the cooling water to flow into the cooling channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the water-cooling flange.

[0028] Figure 2 This is a schematic diagram of the overall structure of the fire pump.

[0029] Figure 3 This is a schematic diagram of the partial structure of a fire pump, mainly showing the structure of the reducer.

[0030] Figure 4 This is a schematic diagram of the local structure of a fire pump, mainly showing the connection structure between the cooling channel and the pump body.

[0031] Explanation of the accompanying drawings: 1. Flange body; 11. Flange plate; 111. Cooling channel; 112. Liquid inlet; 113. Liquid outlet; 114. Protrusion; 1141. Threaded hole; 115. Embedded groove; 116. Abutment surface; 117. Heat dissipation groove; 12. Cover plate; 121. Positioning hole; 13. Positioning piece; 131. Screw; 2. Driving source; 21. Abutment block; 3. Reducer; 31. Housing; 32. Synchronous wheel; 33. Speed ​​change wheel; 34. Synchronous belt; 4. Pump body; 41. Water inlet; 42. Water outlet; 43. Water inlet pipe; 44. Water outlet pipe. DETAILED DESCRIPTION

[0032] The present application is further described in detail below in conjunction with the accompanying drawings.

[0033] The present application embodiment discloses a water-cooling flange, referring to Figure 1A water-cooled flange includes a flange body 1, the flange body 1 includes a flange plate 11 and a cover plate 12, a cooling channel 111 is provided on the flange plate 11, the cooling channel 111 penetrates one side of the flange body 1 along a direction parallel to the axis of the flange plate 11, the cooling channel 111 is arranged around the axis of the flange plate 11, the cooling channel 111 is in a circular ring shape, the distribution direction of the cover plate 12 and the flange plate 11 is parallel to the axis of the flange plate 11, a liquid inlet 112 and a liquid outlet 113 are provided on the flange plate 11, the distribution direction of the liquid inlet 112 and the liquid outlet 113 is perpendicular to the axis of the flange plate 11, the liquid inlet 112 and the liquid outlet 113 are both connected with the cooling channel 111, the liquid inlet 112 and the liquid outlet 113 are respectively located on both sides of the axis of the flange plate 11, and the coolant flows into the cooling channel 111 from the liquid inlet 112 and then flows out from the liquid outlet 113. The cover plate 12 is in a ring shape and covers the cooling channel 111 . A plurality of positioning members 13 are threadedly connected to the flange 11 . The plurality of positioning members 13 are used to position the cover plate 12 .

[0034] Reference Figure 1 A plurality of protrusions 114 are formed on the flange 11, and the plurality of protrusions 114 are all located in the cooling channel 111. The plurality of protrusions 114 are evenly distributed on the inner ring wall and the outer ring wall of the cooling channel 111 at equal intervals. The plurality of protrusions 114 are arranged around the axis of the flange 11, and the plurality of protrusions 114 are cylindrical. The axes of the plurality of protrusions 114 are parallel to the axis of the flange 11.

[0035] Reference Figure 1 , a plurality of protrusions 114 are provided with threaded holes 1141, and a plurality of positioning holes 121 are provided on the cover plate 12. The positions and number of the positioning holes 121 correspond to the positions and number of the threaded holes 1141. When the cover plate 12 covers the cooling channel 111, the positioning holes 121 are connected to the corresponding threaded holes 1141. The positioning member 13 is a screw 131. The positions and number of the screw 131 correspond to the positions and number of the positioning holes 121. The screw 131 penetrates the positioning hole 121 and is threadedly connected to the inner wall of the threaded hole 1141. The screw 131 presses against the side of the cover plate 12 away from the flange 11 to position the cover plate 12.

[0036] Reference Figure 1 The flange 11 is provided with an embedding groove 115, which is connected to the cooling channel 111. The cover plate 12 is inserted into the embedding groove 115. When the cover plate 12 is embedded in the embedding groove 115, the end of the cover plate 12 away from the cooling channel 111 is flush with the flange 11. The end of the flange 11 close to the cover plate 12 is processed to form an abutment surface 116, which is used to abut the reducer 3. The abutment surface 116 is provided with a plurality of heat dissipation grooves 117, which are evenly distributed around the outer periphery of the cooling channel 111 at equal intervals, and the plurality of heat dissipation grooves 117 are spaced apart from the cooling channel 111.

[0037] The implementation principle of a water-cooled flange in an embodiment of the present application is as follows: the flange 11 is abutted against the reducer 3 to facilitate temperature transfer between the reducer 3 and the flange 11, and cooling water flows from the liquid inlet 112 into the cooling channel 111 and then flows out from the liquid outlet 113, thereby cooling the flange 11 and then cooling the reducer 3, reducing the temperature rise rate in the reducer 3, which is beneficial to increasing the service life of the reducer 3.

[0038] This embodiment also discloses a fire pump, referring to Figure 2 and Figure 3 , including a driving source 2, a reducer 3 and a pump body 4, the reducer 3 is located between the pump body 4 and the driving source 2, and the driving source 2 drives the pump body 4 to operate through the reducer 3.

[0039] Reference Figure 3 The reducer 3 includes a housing 31, a synchronous wheel 32, a speed wheel 33 and a synchronous belt 34. The synchronous wheel 32 and the speed wheel 33 are rotatably connected to the housing 31. The rotation axes of the synchronous wheel 32 and the speed wheel 33 are the same, and the rotation axes of the synchronous wheel 32 and the speed wheel 33 are parallel to the rotation axis of the output shaft of the driving source 2. The synchronous belt 34 is tightened on the outer periphery of the synchronous wheel 32 and the speed wheel 33. The synchronous wheel 32 is coaxially fixedly connected to the output shaft of the driving source 2, and the speed wheel 33 is coaxially fixedly connected to the impeller of the pump body 4. An installation cavity is opened on the housing 31, and the synchronous wheel 32, the speed wheel 33 and the synchronous belt 34 are all located in the installation cavity. The diameter of the speed wheel 33 is smaller than the diameter of the synchronous wheel 32.

[0040] Reference Figure 3 and Figure 4 The flange 11 is fixed to one end of the housing 31 close to the driving source 2 by bolts. The output shaft of the driving source 2 passes through the axis of the flange 11 and is fixedly connected to the synchronous wheel 32. A plurality of abutment blocks 21 are fixed to the housing of the driving source 2. The plurality of abutment blocks 21 are arranged at intervals around the outer circumference of the output shaft of the driving source 2. The driving source 2 contacts the flange 11 through the abutment blocks 21.

[0041] Reference Figure 1 and Figure 4 A water inlet 41 and a water outlet 42 are provided on the pump body 4, and a water inlet pipe 43 and a water outlet pipe 44 are fixed on the pump body 4. The water inlet pipe 43 connects the water inlet 41 and the liquid inlet 112, and the water outlet pipe 44 connects the water inlet 41 and the liquid outlet 113. When the driving source 2 drives water to flow through the pump body 4, part of the water flows into the cooling channel 111 through the water inlet pipe 43, and then flows back to the pump body 4 through the water outlet pipe 44.

[0042] The implementation principle of a fire pump in an embodiment of the present application is as follows: during the operation of the fire pump, the heat of the driving source 2 is transferred to the reducer 3 through the flange 11, and the cooling water flows through the cooling channel 111 to improve the heat dissipation efficiency at the flange 11, which is beneficial to reducing the heat transferred from the driving source 2 to the reducer 3, so that the temperature at the reducer 3 is not easy to be too high, which is beneficial to improving the service life of the reducer 3.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A water-cooling flange, characterized in that: The flange body (1) comprises a flange body (1), the flange body (1) abutting against a reducer (3), a cooling channel (111) being provided on the flange body (1), a liquid inlet (112) and a liquid outlet (113) being provided on the flange body (1), and the liquid inlet (112) and the liquid outlet (113) being in communication with the flange body (1).

2. A water-cooling flange according to claim 1, characterized in that: The cooling channel (111) is annular along the axis of the flange body (1).

3. A water-cooling flange according to claim 2, characterized in that: A plurality of heat dissipation grooves (117) are provided on the flange body (1), and the plurality of heat dissipation grooves (117) are arranged around the outer circumference of the cooling channel (111).

4. The water-cooling flange according to claim 1, characterized in that: A plurality of protrusions (114) are provided on the flange body (1), and the protrusions (114) are located in the cooling flow channel (111).

5. The water-cooling flange according to claim 1, characterized in that: The flange body (1) comprises a flange plate (11) and a cover plate (12) arranged on the flange plate (11); the cooling channel (111), the liquid inlet (112) and the liquid outlet (113) are all arranged on the flange plate (11); the cover plate (12) covers the cooling channel (111); and a plurality of positioning members (13) are arranged on the flange plate (11); the positioning members (13) are used to position the cover plate (12).

6. A fire pump, characterized in that: It comprises a driving source (2), a reducer (3) arranged on the driving source (2), and a pump body (4) arranged on the reducer (3), wherein the driving source (2) drives the pump body (4) to operate via the reducer (3); It also comprises the water-cooling flange according to any one of claims 1 to 5, wherein the driving source (2) and the reducer (3) are respectively located on opposite sides of the flange body (1) of the water-cooling flange.

7. A fire pump according to claim 6, characterized in that: The pump body (4) is provided with a water outlet (42) and a water inlet (41); the water outlet (42) is communicated with the liquid inlet (112), and the water inlet (41) is communicated with the liquid outlet (113).

8. A fire pump according to claim 6, characterized in that: A plurality of abutment blocks (21) are provided on the driving source (2), and the driving source (2) abuts against the flange body (1) of the water-cooling flange via the abutment blocks (21).

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