CN212803603U - Vertical shock attenuation fire control water pump - Google Patents
Vertical shock attenuation fire control water pump Download PDFInfo
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- CN212803603U CN212803603U CN202021363073.4U CN202021363073U CN212803603U CN 212803603 U CN212803603 U CN 212803603U CN 202021363073 U CN202021363073 U CN 202021363073U CN 212803603 U CN212803603 U CN 212803603U
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Abstract
The utility model relates to a vertical shock-absorbing fire-fighting water pump, which comprises a pump shell and a rotating motor, wherein a volute diversion chamber and a water outlet pipe are arranged in the pump shell, an impeller is arranged in the volute diversion chamber, the rotating motor is connected with a pump shaft which rotates synchronously with the impeller, a water inlet pipe is arranged at the bottom of the pump shell, a corrugated pipe and a connecting flange are arranged on the water inlet pipe and the water outlet pipe, the top of the impeller is provided with a shaft seat, a motor seat is arranged at the bottom of the rotating motor, a bearing which is positioned between the shaft seat and the motor seat is arranged outside the pump shaft, a shock absorber is arranged at the bottom of a base of the pump shell, the impeller centrifugally throws water out under high-speed rotation, the water is centrifugally pumped to the water outlet pipe output in the volute diversion chamber, the corrugated pipe on the water inlet pipe and the water outlet pipe, reduce the vibration noise, guarantee that fire-fighting pipeline connects reliably, improves life, satisfies fire extinguishing system user demand.
Description
Technical Field
The utility model relates to a fire pump, especially a vertical shock attenuation fire pump.
Background
The vertical fire pump adopts special hydraulic design and structural design, is suitable for a building fire-fighting water supply system to select and meet the requirements on water pressure and water quantity during fire extinguishing, and is important equipment for fire extinguishing and rescue. The vertical fire pump generally comprises a pump shell, a single-stage or multi-stage impeller in the pump shell, a pump shaft for driving the impeller to rotate, a rotating motor for driving the pump shaft to rotate, a sealing structure and the like, wherein the pump shaft drives the impeller and water to do high-speed rotating motion, the water is centrifugally moved, thrown to the outer edge of the impeller and flows into a water outlet pipeline of the water pump through a flow channel of the volute-shaped pump shell. Because the different running degrees of pipeline medium easily make the water pump produce vibration noise in the operation process, especially import and export operation, lead to the water pump life-span to reduce, connect the reliability and descend to influence personnel's life sleep quality in the building, be difficult to satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a vertical shock attenuation fire control water pump, it is convenient to connect the dismantlement, supports the telescopic compensation under the guide effect through the bellows on inlet tube and the outlet pipe at the connecting rod, combines with the bumper shock absorber buffering on the base, reduces the vibration noise, guarantees that the fire control pipeline is connected reliably, improves life, satisfies fire extinguishing system user demand.
The utility model discloses a realize through following technical scheme:
a vertical shock-absorbing fire-fighting water pump comprises a pump shell and a rotating motor, wherein a volute diversion chamber and a water outlet pipe communicated with the volute diversion chamber are arranged on the pump shell, an impeller is arranged in the volute diversion chamber, a motor shaft of the rotating motor is connected with a pump shaft synchronously rotating with the impeller, a water inlet pipe which is communicated with the bottom of the impeller, connected with the side wall of the pump shell and has the end part collinear with the water outlet pipe is arranged at the bottom of the pump shell, and a corrugated pipe and a connecting flange positioned on one side of the corrugated pipe are arranged on each of the water inlet pipe and;
the top of the impeller is provided with a shaft seat connected with the top of the pump shell, the pump shell is internally provided with a groove in clearance fit with the bottom of the impeller, and the bottom of the shaft seat is provided with a first boss in clearance fit with the outer wall of the top of the impeller;
at least two groups of correspondingly arranged supporting plates are arranged on the connecting flanges of the water inlet pipe and the water outlet pipe, a connecting rod is arranged between the corresponding supporting plates, and first nuts are arranged between two ends of the connecting rod and the connecting flanges;
the bottom of the rotating motor is provided with a motor seat connected with the shaft seat, the pump shaft penetrates through the shaft seat and the motor seat, a bearing positioned between the shaft seat and the motor seat is arranged outside the pump shaft, a second boss positioned between the shaft seat and the motor seat is arranged outside the pump shaft, the end part of the pump shaft is provided with a second nut positioned at the bottom of the impeller, and a sealing ring sleeved outside the pump shaft is arranged between the bearing and the shaft seat;
the improved pump is characterized in that a base is arranged at the bottom of the pump shell, a shock absorber is arranged at the bottom of the base and comprises a plurality of guide rods penetrating through the base, a ring plate located at the bottom of the guide rods and a spring sleeved outside the guide rods and located between the base and the ring plate, a third nut located at the top of the base is arranged on the guide rods, and a plurality of mounting holes are formed in the ring plate.
The utility model has the advantages that:
(1) the bottom of the impeller is in clearance fit with a groove of a pump shell and is positioned and installed under the clearance fit of the outer wall of a first boss at the bottom of the shaft seat, the shaft seat is limited by a second boss of the pump shaft, and the sealing ring and the bearing improve the sealing performance and the rotating support balance performance of the pump shaft part, so that the structure is compact, and the connection and the disassembly are convenient;
(2) when the mechanical operation of the water pump and the operation degree of fire-fighting media in the water pump are different, the expansion compensation is carried out under the support and guide action of connecting rods of collinear connecting flanges through corrugated pipes so as to reduce vibration noise of pipe orifices;
(3) the water pump vibrations are through the spring of compression bottom bumper shock absorber, make the base move from top to bottom along the guide bar under spring elastic recovery effect, and the buffering is in order to reduce the vibration noise to guarantee that fire-fighting pipeline connects reliably, reduce the water pump and receive vibrations wearing and tearing in order to improve life, the noise reduction prevents to influence personnel's life in the building, thereby satisfies fire extinguishing system user demand.
Drawings
Fig. 1 is a left side perspective view of the present invention.
Fig. 2 is a right side perspective view of the present invention.
Fig. 3 is a top view of the structure of the present invention.
Fig. 4 is a cross-sectional view showing the AA direction of fig. 3.
The labels in the figure are: the pump casing 1 and rotating electrical machines 2, snail diversion chamber 3, outlet pipe 4, impeller 5, pump shaft 6, inlet tube 7, bellows 8, flange 10, axle bed 11, recess 12, first boss 13, backup pad 14, connecting rod 15, first nut 16, motor cabinet 17, bearing 18, second boss 19, second nut 20, sealing washer 21, third boss 22, base 23, bumper shock absorber 9, guide bar 91, crown plate 92, spring 93, third nut 24, mounting hole 25.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A vertical shock-absorbing fire-fighting water pump comprises a pump shell 1 and a rotating motor 2, wherein a volute diversion chamber 3 and a water outlet pipe 4 communicated with the volute diversion chamber 3 are arranged on the pump shell 1, an impeller 5 is arranged in the volute diversion chamber 3, a motor shaft of the rotating motor 2 is connected with a pump shaft 6 which rotates synchronously with the impeller 5, a water inlet pipe 7 which is communicated with the bottom of the impeller 5, is connected with the side wall of the pump shell 1 and has the end part collinear with the water outlet pipe 4 is arranged at the bottom of the pump shell 1, and a corrugated pipe 8 and a connecting flange 10 positioned on one side of the corrugated pipe 8 are arranged on the water inlet pipe 7 and the;
the top of the impeller 5 is provided with a shaft seat 11 connected with the top of the pump shell 1, the pump shell 1 is internally provided with a groove 12 in clearance fit with the bottom of the impeller 5, and the bottom of the shaft seat 11 is provided with a first boss 13 in clearance fit with the outer wall of the top of the impeller 5;
at least two groups of correspondingly arranged supporting plates 14 are arranged on the connecting flange 10 of the water inlet pipe 7 and the water outlet pipe 4, a connecting rod 15 is arranged between the corresponding supporting plates 14, and a first nut 16 is arranged between two ends of the connecting rod 15 and the connecting flange 10;
the bottom of the rotating motor 2 is provided with a motor seat 17 connected with a shaft seat 11, the pump shaft 6 penetrates through the shaft seat 11 and the motor seat 17, a bearing 18 positioned between the shaft seat 11 and the motor seat 17 is arranged outside the pump shaft 6, a second boss 19 positioned between the shaft seat 11 and the motor seat 17 is arranged outside the pump shaft 6, a second nut 20 positioned at the bottom of the impeller 5 is arranged at the end part of the pump shaft 6, a sealing ring 21 sleeved outside the pump shaft 6 is arranged between the bearing 18 and the shaft seat 11, and third bosses 22 respectively in clearance fit with the pump shell 1 and the inner wall of the connecting seat are arranged at the bottoms of the shaft seat 11 and the motor seat 17;
the pump casing 1 bottom is equipped with base 23, base 23 bottom is equipped with bumper shock absorber 9, bumper shock absorber 9 includes a plurality of guide bars 91 that pass base 23, is located the crown plate 92 of a plurality of guide bar 91 bottoms, and overlaps in guide bar 91 outside and be located base 23 and crown plate 92 spring 93, be equipped with the third nut 24 that is located the top of base 23 on the guide bar 91, be equipped with a plurality of mounting holes 25 on the crown plate 92.
The utility model discloses a theory of operation does:
the shaft seat 11 and the impeller 5 are sleeved at the bottom of the pump shaft 6 and locked by a second nut 20, the shaft seat 11 is limited by a second boss 19 of the pump shaft 6, the whole body is placed in the volute diversion chamber 3 of the pump shell 1, the bottom of the impeller 5 is in clearance fit with a groove 12 of the pump shell 1, and the impeller is positioned and installed under the condition that a first boss 13 at the bottom of the shaft seat 11 is in clearance fit with the outer wall;
the shaft seat 11 is fixedly connected with the top of the pump shell 1, the sealing ring 21 and the bearing 18 are sleeved outside the pump shaft 6 to improve the sealing performance and the rotating support balance performance of the pump shaft 6, the motor seat 17 is sleeved outside the pump shaft 6 to position and install the bearing 18, the motor seat 17 is connected with the shaft seat 11, the bottom of the shaft seat 11 and the bottom of the motor seat 17 are respectively improved in sealing performance through a third boss 22 in clearance fit with the inner walls of the pump shell 1 and the connecting seat, the top installation of the water pump is realized, the pump shaft 6 is matched with a motor shaft of the rotating motor 2 and an impeller 5 through key grooves to realize synchronous rotating connection, the structure is compact, and the;
the outer parts of a plurality of guide rods 91 of the shock absorber 9 are respectively sleeved with springs 93, a base 23 at the bottom of the pump shell 1 is installed on the guide rods 91, nuts are screwed into the tops of the guide rods 91 to realize connection of the shock absorber 9, the whole water pump is fixedly connected to a fixed base body of a fire-fighting system or a building through a mounting hole 25, and the connecting flanges 10 at the end parts of the water inlet pipe 7 and the water outlet pipe 4 are connected into a fire-fighting pipeline of the fire-fighting system;
water is fed from a water inlet pipe 7 to the bottom of an impeller 5 of a volute diversion chamber 3, a motor shaft of a rotating motor 2 drives a pump shaft 6 to drive the impeller 5 to rotate synchronously, the impeller 5 centrifugally throws out the water under high-speed rotation, and the water is centrifugally pumped to a water outlet pipe 4 through a gap between the end part of the impeller 5 and the volute diversion chamber 3 and output, when the mechanical operation of a water pump and the operation degree of a fire-fighting medium in the water pump are different, the water inlet pipe 7 and the water outlet pipe 4 are subjected to telescopic compensation under the support and guide action of a connecting rod 15 of a collinear connecting flange 10 through a corrugated pipe 8, so that the;
water pump vibrations are through the spring 93 of compression bottom bumper shock absorber 9, make base 23 move from top to bottom along guide bar 91 under spring 93 elastic recovery effect, and the buffering is in order to reduce the vibration noise to guarantee that fire control pipe connects reliably, reduce the water pump and receive vibrations wearing and tearing in order to improve life, reduce the noise and prevent to influence personnel's life in the building, thereby satisfy fire extinguishing system user demand.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A vertical shock-absorbing fire-fighting water pump comprises a pump shell and a rotating motor, wherein a volute diversion chamber and a water outlet pipe communicated with the volute diversion chamber are arranged on the pump shell, an impeller is arranged in the volute diversion chamber, and a motor shaft of the rotating motor is connected with a pump shaft synchronously rotating with the impeller;
the impeller is characterized in that a shaft seat connected with the top of the pump shell is arranged at the top of the impeller, a motor seat connected with the shaft seat is arranged at the bottom of the rotating motor, the pump shaft penetrates through the shaft seat and the motor seat, a bearing located between the shaft seat and the motor seat is arranged outside the pump shaft, a base is arranged at the bottom of the pump shell, and a shock absorber is arranged at the bottom of the base.
2. The vertical shock-absorbing fire-fighting water pump as claimed in claim 1, wherein a groove is formed in the pump housing and is in clearance fit with the bottom of the impeller, and a first boss is formed at the bottom of the shaft seat and is in clearance fit with the outer wall of the top of the impeller.
3. The vertical shock-absorbing fire-fighting water pump as claimed in claim 1, wherein at least two sets of correspondingly arranged supporting plates are arranged on the connecting flange of the water inlet pipe and the water outlet pipe, a connecting rod is arranged between the corresponding supporting plates, and a first nut is arranged between two ends of the connecting rod and the connecting flange.
4. The vertical shock-absorbing fire-fighting water pump as claimed in claim 1, wherein a second boss is provided outside the pump shaft between the shaft seat and the motor seat, a second nut is provided at an end of the pump shaft at a bottom of the impeller, and a sealing ring is provided between the bearing and the shaft seat and sleeved outside the pump shaft.
5. The vertical shock-absorbing fire-fighting water pump as claimed in claim 1, wherein the shaft seat and the bottom of the motor seat are provided with third bosses which are in clearance fit with the inner walls of the pump shell and the connecting seat respectively.
6. The vertical shock-absorbing fire-fighting water pump according to any one of claims 1-5, wherein the shock absorber comprises a plurality of guide rods penetrating through the base, a ring plate located at the bottom of the guide rods, and a spring sleeved outside the guide rods and located between the base and the ring plate, a third nut located at the top of the base is arranged on the guide rods, and a plurality of mounting holes are formed in the ring plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021363073.4U CN212803603U (en) | 2020-07-13 | 2020-07-13 | Vertical shock attenuation fire control water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021363073.4U CN212803603U (en) | 2020-07-13 | 2020-07-13 | Vertical shock attenuation fire control water pump |
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| Publication Number | Publication Date |
|---|---|
| CN212803603U true CN212803603U (en) | 2021-03-26 |
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ID=75100680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021363073.4U Active CN212803603U (en) | 2020-07-13 | 2020-07-13 | Vertical shock attenuation fire control water pump |
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| Country | Link |
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| CN (1) | CN212803603U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513482A (en) * | 2021-05-19 | 2021-10-19 | 樊海锋 | Multi-stage centrifugal pump |
| WO2022246890A1 (en) * | 2021-05-24 | 2022-12-01 | 台州市勒言自动化科技有限公司 | Water pump apparatus |
| WO2023185092A1 (en) * | 2022-03-29 | 2023-10-05 | 华能伊敏煤电有限责任公司 | Detachable and replaceable desulfurization circulating water pump |
-
2020
- 2020-07-13 CN CN202021363073.4U patent/CN212803603U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513482A (en) * | 2021-05-19 | 2021-10-19 | 樊海锋 | Multi-stage centrifugal pump |
| CN113513482B (en) * | 2021-05-19 | 2023-08-22 | 淄博华岩泵业有限公司 | multistage centrifugal pump |
| WO2022246890A1 (en) * | 2021-05-24 | 2022-12-01 | 台州市勒言自动化科技有限公司 | Water pump apparatus |
| WO2023185092A1 (en) * | 2022-03-29 | 2023-10-05 | 华能伊敏煤电有限责任公司 | Detachable and replaceable desulfurization circulating water pump |
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