CN112524056A - Sea water pump working condition simulation device - Google Patents
Sea water pump working condition simulation device Download PDFInfo
- Publication number
- CN112524056A CN112524056A CN202011153851.1A CN202011153851A CN112524056A CN 112524056 A CN112524056 A CN 112524056A CN 202011153851 A CN202011153851 A CN 202011153851A CN 112524056 A CN112524056 A CN 112524056A
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- China
- Prior art keywords
- sea water
- flange pipe
- water pump
- pump
- suction valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
Abstract
The invention discloses a sea water pump working condition simulation device, and belongs to the technical field of water surface ships. The simulation device comprises a seawater pump body, a semi-circulating water mechanism, a supporting mechanism and an oil pump motor; the sea water pump body comprises a sea water pump shell, a funnel assembly, an impeller mechanism and a suction valve, wherein the impeller mechanism is located in the center of a pump body bottom plate and comprises an impeller and a sealing ring seat, the suction valve is installed outside the impeller mechanism, the sea water pump shell is installed outside the suction valve, one end of the sea water pump shell and one end of the suction valve are connected with the pump body bottom plate through bolts, the other end of the sea water pump shell is connected with a valve seat through bolts, and the funnel assembly is installed on the outer side of the valve seat of the suction valve. The invention can simulate the working state of a seawater pump on a ship so as to carry out a tool test, the electric valve assembly can change the flow resistance of a pipeline by adjusting the opening of the valve so as to simulate the test condition of variable working conditions, and the semi-circulating water mechanism can lead part of circulating water out of the pump to be circulated so as to keep the temperature of the circulating water in the pump constant.
Description
Technical Field
The invention belongs to the technical field of water surface ships, and particularly relates to a device capable of simulating the work of a seawater pump on a ship.
Background
Many non-electric products are needed on the surface ship, for example, a sea water pump is needed to extract sea water for filtering or changing water. In various sea water pump tests at the present stage, a mechanical structure model 1 of the sea water pump is basically reproduced to be 1, and then relevant parameters of the sea water pump during working are obtained through working state simulation to perform corresponding reliability or performance analysis. The existing simulated seawater pump consists of a pump body, a support frame, an impeller mechanism, a circulating water path and an oil pump motor, the oil pump motor drives the water pump to operate, the thermal balance problem of the seawater pump and the unicity problem of test working conditions are not considered, and the test sample is high in requirement, long in period and high in cost.
In the existing sea water pump test device, because the water pump is generally driven by the oil pump motor to work, a large amount of heat is generated in the process, if certain heat dissipation measures are not taken, the circulating water temperature of the sea water pump is easily overhigh, so that the working efficiency is reduced and a series of safety problems are caused; in addition, the sea water pump tool test device lacks certain variable working condition capability, working parameters are determined after the whole sea water pump is assembled usually, tests for controlling variables cannot be carried out, and relatively comprehensive analysis on the working performance and the reliability of the sea water pump cannot be carried out.
Disclosure of Invention
In view of the above, the invention provides a seawater pump working condition simulation device, which can simulate the working state of a seawater pump on a ship so as to perform a tool test, an electric valve assembly can change the flow resistance of a pipeline by adjusting the opening of a valve so as to simulate the test condition of variable working conditions, and a semi-circulating water mechanism can lead part of circulating water out to the external circulation so as to keep the temperature of the circulating water in the pump constant.
A sea water pump working condition simulation device comprises a sea water pump body, a semi-circulating water mechanism, a supporting mechanism and an oil pump motor; the sea water pump body comprises a sea water pump shell, a funnel assembly, an impeller mechanism and a suction valve, wherein the impeller mechanism is located in the center of a pump body bottom plate and comprises an impeller and a sealing ring seat, the suction valve is installed outside the impeller mechanism, the sea water pump shell is installed outside the suction valve, one ends of the sea water pump shell and the suction valve are connected with the pump body bottom plate through bolts, the other ends of the sea water pump shell and the suction valve are connected with a valve seat through bolts, and the funnel assembly is installed on the outer side of the valve seat of the suction valve.
Further, the semi-circulating water mechanism comprises an upper flange pipe, a lower flange pipe, a threaded flange pipe and an electric valve assembly, wherein the upper flange pipe, the threaded flange pipe, the electric valve assembly and the lower flange pipe are sequentially arranged; the bottom of the upper flange pipe is fixed on the top of the sea water pump shell through bolts, the bottom of the lower flange pipe is connected with a valve seat of the suction valve through bolts, and the threaded flange pipe, the electric valve assembly and the upper and lower flange pipes are also connected through bolts.
Further, the sea water pump install in supporting mechanism is last, supporting mechanism is located in the middle of oil pump motor and the sea water pump casing, including left and right sides support firmware, preceding baffle, bearing frame and shaft coupling, preceding baffle is installed in the shaft coupling both sides, bearing frame one side is fixed in on the pump body bottom plate through the bolt, and on the opposite side passed through bolt fastening in preceding baffle, pass through welded connection between the support firmware of preceding baffle and left and right sides.
Furthermore, the oil pump motor is installed at the tail end of the sea water pump body, the bottom of the oil pump motor is fixed in the center of the rear baffle through a bolt, and the oil pump motor is connected with a shaft system of the sea water pump through a coupling and a bearing seat.
Furthermore, an outer circulating water inlet is formed in the lower side of an upper flange pipe of the semi-circulating water mechanism, an outer circulating water outlet is formed in the corner of a lower flange pipe of the semi-circulating water mechanism, the purpose is to dissipate heat of main circulating water of the water pump, hot water in part of circulation is distributed to outside circulation, and outside cold water is supplemented to make up for the part flowing out.
Furthermore, the electric valve component is arranged between the threaded flange pipe and the lower flange pipe, threaded holes are uniformly distributed at two ends of the electric valve component, the electric valve component is connected with the flange pipes at two sides through bolts, and different flow resistances are simulated by controlling the opening degree of the valve.
Has the advantages that:
1. the invention adopts a semi-circulating water mechanism, namely, part of water is always in the main circulation, one part of hot water is in the external circulation, and external cold water is supplemented to make up the part flowing out, so that the heat is exchanged with the outside, and the water temperature in the water pump is kept constant.
2. The electric valve assembly is arranged in a circulating water pipeline, and the purpose of changing working conditions is achieved by simulating the flow resistance of different pipelines by controlling the opening of the electric valve.
3. The invention uses the oil pump motor to drive the sea water pump to work, the oil pump motor is arranged at the tail end of the whole pump body, is fixed in the center of the rear baffle plate through bolts, and is connected with the shaft system of the sea water pump through the shaft coupling and the bearing seat in sequence.
4. The cross section centers of the sea water pump shell, the suction valve, the valve seat, the impeller, the bearing seat, the coupling and the oil pump motor are on the same straight line, the supporting mechanism is positioned between the sea water pump shell and the oil pump motor, the left and right supporting firmware of the supporting mechanism are connected with the front and rear baffle plates in a welding mode, and the simulation device is compact in overall structure and reasonable in layout.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 and 3 are schematic views of the internal structure of the present invention.
Wherein, 1.1 is left side support firmware, 1.2 is right side support firmware, 2.1 is the backplate, 2.2 is preceding baffle, 3 is the oil pump motor, 4 is the shaft coupling, 5 is the bearing frame, 6 is the sea water pump casing, 7 is the upper flange pipe, 8 is the extrinsic cycle water inlet, 9 is the screw thread flange pipe, 10 is the electric valve subassembly, 11 is the funnel assembly, 12 is lower flange pipe, 13 is the extrinsic cycle water export, 14 is the valve seat, 15 is the pump body bottom plate, 16 is the seal ring seat, 17 is the impeller, 18 is the suction valve.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in the attached figure 1, the invention provides a seawater pump working condition simulation device, which comprises a seawater pump body, a semi-circulating water mechanism, a supporting mechanism and an oil pump motor, wherein the seawater pump body is provided with a water inlet and a water outlet; the sea water pump body comprises a sea water pump shell 6, a funnel assembly 11, an impeller mechanism and a suction valve 18, wherein the impeller mechanism is located in the center of a pump body bottom plate and comprises an impeller 17 and a sealing ring seat 16, the suction valve 18 is installed outside the impeller mechanism, the sea water pump shell 6 is installed outside the suction valve 18, one ends of the sea water pump shell 6 and the suction valve 18 are connected with the pump body bottom plate 15 through bolts, the other ends of the sea water pump shell 6 and the suction valve 18 are connected with a valve seat 14 through bolts, and the funnel assembly 11 is installed on the outer side of the valve seat 14.
The semi-circulating water mechanism comprises an upper flange pipe 7, a lower flange pipe 12, a threaded flange pipe 9 and an electric valve assembly 10, wherein the upper flange pipe 7, the threaded flange pipe 9, the electric valve assembly 10 and the lower flange pipe 12 are sequentially arranged; the bottom of the upper flange pipe 7 is fixed on the top of the sea water pump shell 6 through bolts, the bottom of the lower flange pipe is connected with the valve seat 14 of the suction valve 18 through bolts, and the threaded flange pipe 9 and the electric valve assembly 10 are also connected with the upper flange pipe and the lower flange pipe through bolts.
The sea water pump is installed on the supporting mechanism, and the supporting mechanism is located in the middle of oil pump motor and sea water pump casing, including left and right sides support firmware, front and back baffle, bearing frame and shaft coupling, the baffle is installed in the shaft coupling both sides around, bearing frame one side is fixed in on the pump body bottom plate through the bolt, and on the opposite side passed through bolt fastening in the front baffle, pass through welded connection between the support firmware of front and back baffle and left and right sides.
The oil pump motor is arranged at the tail end of the sea water pump body, the bottom of the oil pump motor is fixed in the center of the rear baffle through a bolt, and the oil pump motor is connected with a shaft system of the sea water pump through a shaft coupling 4 and a bearing seat 5.
An outer circulating water inlet is formed in the lower side of an upper flange pipe 7 of the semi-circulating water mechanism, an outer circulating water outlet is formed in the corner of a lower flange pipe 12, the purpose is to dissipate heat of main circulating water of the water pump, hot water in part of circulating water is distributed to the outside circulating water, and outside cold water is replenished to make up the part flowing out.
The electric valve assembly 10 is arranged between the threaded flange pipe 9 and the lower flange pipe 12, 8 threaded holes are uniformly distributed at two ends of the electric valve assembly, the electric valve assembly is connected with the flange pipes at two sides through bolts, and the electric valve assembly 10 simulates different flow resistances by controlling the opening degree of the valve.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A sea water pump working condition simulation device is characterized by comprising a sea water pump body, a semi-circulating water mechanism, a supporting mechanism and an oil pump motor; the sea water pump body comprises a sea water pump shell, a funnel assembly, an impeller mechanism and a suction valve, wherein the impeller mechanism is located in the center of a pump body bottom plate and comprises an impeller and a sealing ring seat, the suction valve is installed outside the impeller mechanism, the sea water pump shell is installed outside the suction valve, one ends of the sea water pump shell and the suction valve are connected with the pump body bottom plate through bolts, the other ends of the sea water pump shell and the suction valve are connected with a valve seat through bolts, and the funnel assembly is installed on the outer side of the valve seat of the suction valve.
2. The seawater pump working condition simulation device as claimed in claim 1, wherein the semi-circulating water mechanism comprises an upper flange pipe, a lower flange pipe, a threaded flange pipe and an electric valve assembly, and the upper flange pipe, the threaded flange pipe, the electric valve assembly and the lower flange pipe are sequentially arranged; the bottom of the upper flange pipe is fixed on the top of the sea water pump shell through bolts, the bottom of the lower flange pipe is connected with a valve seat of the suction valve through bolts, and the threaded flange pipe, the electric valve assembly and the upper and lower flange pipes are also connected through bolts.
3. The seawater pump working condition simulation device as claimed in claim 1 or 2, wherein the seawater pump is mounted on the supporting mechanism, the supporting mechanism is located between the oil pump motor and the seawater pump shell and comprises left and right supporting fixing pieces, a front baffle, a rear baffle, a bearing seat and a coupler, the front baffle and the rear baffle are mounted on two sides of the coupler, one side of the bearing seat is fixed on the pump body bottom plate through a bolt, the other side of the bearing seat is fixed on the front baffle through a bolt, and the front baffle and the rear baffle are connected with the left and right supporting fixing pieces through welding.
4. The seawater pump working condition simulation device as claimed in claim 3, wherein the oil pump motor is mounted at the tail end of the seawater pump body, the bottom of the oil pump motor is fixed at the center of the rear baffle plate through a bolt, and the oil pump motor is connected with a shaft system of the seawater pump through a coupling and a bearing seat.
5. The seawater pump working condition simulation device as claimed in claim 4, wherein an external circulating water inlet is formed at the lower side of an upper flange pipe of the semi-circulating water mechanism, and an external circulating water outlet is formed at a corner of a lower flange pipe.
6. The seawater pump working condition simulation device as claimed in claim 5, wherein the electric valve assembly is installed between the threaded flange pipe and the lower flange pipe, threaded holes are evenly distributed at two ends of the electric valve assembly, the electric valve assembly is connected with the flange pipes at two sides through bolts, and different flow resistances are simulated by controlling the opening degree of the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011153851.1A CN112524056A (en) | 2020-10-26 | 2020-10-26 | Sea water pump working condition simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011153851.1A CN112524056A (en) | 2020-10-26 | 2020-10-26 | Sea water pump working condition simulation device |
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| Publication Number | Publication Date |
|---|---|
| CN112524056A true CN112524056A (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011153851.1A Pending CN112524056A (en) | 2020-10-26 | 2020-10-26 | Sea water pump working condition simulation device |
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| CN (1) | CN112524056A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162458A (en) * | 2011-06-02 | 2011-08-24 | 长春泵业有限公司 | A gas fluid mixture self-priming pump |
| CN105041669A (en) * | 2015-08-05 | 2015-11-11 | 芜湖环球汽车配件有限公司 | Hot oil pump |
| CN105675424A (en) * | 2016-03-04 | 2016-06-15 | 西安交通大学 | Water erosion testing, measuring and controlling system |
| CN106368960A (en) * | 2016-10-27 | 2017-02-01 | 广东肯富来泵业股份有限公司 | Device and method for detecting critical cavitation point of centrifugal pump |
| CN107676272A (en) * | 2017-09-14 | 2018-02-09 | 江苏大学 | A kind of fast adjuster of Working Conditions of Centrifugal Injection Pumps |
| CN108457871A (en) * | 2018-01-16 | 2018-08-28 | 苏州康顿环保科技有限公司泰州分公司 | A kind of water pump of controllable flow rate |
| CN208749579U (en) * | 2018-06-05 | 2019-04-16 | 宜昌市西峡泵业有限公司 | A kind of single-stage pump with protecting device for shaft coupler |
| CN210082373U (en) * | 2019-06-10 | 2020-02-18 | 昆明云仁轮胎制造有限公司 | Tread cooling water semi-circulation device |
-
2020
- 2020-10-26 CN CN202011153851.1A patent/CN112524056A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162458A (en) * | 2011-06-02 | 2011-08-24 | 长春泵业有限公司 | A gas fluid mixture self-priming pump |
| CN105041669A (en) * | 2015-08-05 | 2015-11-11 | 芜湖环球汽车配件有限公司 | Hot oil pump |
| CN105675424A (en) * | 2016-03-04 | 2016-06-15 | 西安交通大学 | Water erosion testing, measuring and controlling system |
| CN106368960A (en) * | 2016-10-27 | 2017-02-01 | 广东肯富来泵业股份有限公司 | Device and method for detecting critical cavitation point of centrifugal pump |
| CN107676272A (en) * | 2017-09-14 | 2018-02-09 | 江苏大学 | A kind of fast adjuster of Working Conditions of Centrifugal Injection Pumps |
| CN108457871A (en) * | 2018-01-16 | 2018-08-28 | 苏州康顿环保科技有限公司泰州分公司 | A kind of water pump of controllable flow rate |
| CN208749579U (en) * | 2018-06-05 | 2019-04-16 | 宜昌市西峡泵业有限公司 | A kind of single-stage pump with protecting device for shaft coupler |
| CN210082373U (en) * | 2019-06-10 | 2020-02-18 | 昆明云仁轮胎制造有限公司 | Tread cooling water semi-circulation device |
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| PB01 | Publication | ||
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Application publication date: 20210319 |