CN209913620U - Positive pressure waterproof device for submersible motor - Google Patents
Positive pressure waterproof device for submersible motor Download PDFInfo
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- CN209913620U CN209913620U CN201920750514.7U CN201920750514U CN209913620U CN 209913620 U CN209913620 U CN 209913620U CN 201920750514 U CN201920750514 U CN 201920750514U CN 209913620 U CN209913620 U CN 209913620U
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Abstract
The utility model discloses a positive pressure waterproof device for a submersible motor, which comprises a positive pressure water supplementing structure, wherein the positive pressure water supplementing structure consists of a normal pressure box body or a pressure tank body, the positive pressure water supplementing structure is connected with one end of an air release branch pipe and one end of a water supplementing branch pipe, and the air release branch pipe and the water supplementing branch pipe are respectively provided with an air release valve and a water supplementing valve; the other ends of the air bleeding branch pipe and the water replenishing branch pipe are connected with a submersible motor; the side of malleation moisturizing structure is provided with the level gauge, and the bottom of malleation moisturizing structure is provided with the bleeder valve, and malleation moisturizing structure is provided with the hole that is used for pouring into fresh water and the inside condition of inspection malleation moisturizing structure. Furthermore the utility model discloses a construction steps is simple, not only improves submergence motor reliability and increase of service life, and still greatly reduced equipment cost of maintenance reduces because of the economic loss that equipment trouble shut down caused.
Description
Technical Field
The utility model belongs to the technical field of submergence electrical equipment, concretely relates to malleation watertight fittings for submergence motor.
Background
The submersible motor is generally combined with a pump for use, is submerged in underground water or water in rivers, lakes, oceans and other occasions for work, and can also be used as a matched power source of various underwater machines, such as a drilling machine driving motor for bridge and building detection, a propeller power source for various underwater exploration ships and the like.
Large submersible motors generally adopt a water-filled structural form, namely, the interior of the motor achieves a heat exchange effect by filling fresh water, and the motors are widely applied to marine environments. In practical use, the main reason that the submerged motor has frequent faults is that external seawater enters the motor to accelerate the corrosion rate of parts in the motor, so that the reliability of the submerged motor is poor, the maintenance frequency and the expenditure cost of equipment are greatly increased, and even unpredictable economic loss is caused by equipment fault shutdown.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a malleation watertight fittings for submerging motor.
The utility model aims at realizing through the following technical scheme:
a positive-pressure waterproof device for a submersible motor comprises a positive-pressure water supplementing structure, wherein the positive-pressure water supplementing structure consists of a normal-pressure box body or a pressurized tank body, an air release branch pipe and one end of a water supplementing branch pipe are connected to the positive-pressure water supplementing structure, and an air release valve and a water supplementing valve are respectively arranged on the air release branch pipe and the water supplementing branch pipe; the other ends of the air bleeding branch pipe and the water replenishing branch pipe are connected with a submersible motor; the side of malleation moisturizing structure is provided with the level gauge, and the bottom of malleation moisturizing structure is provided with the bleeder valve, and malleation moisturizing structure is provided with the hole that is used for pouring into fresh water and the inside condition of inspection malleation moisturizing structure.
Further, when malleation moisturizing structure was the ordinary pressure box, the ordinary pressure box comprises stainless steel material, ordinary pressure box top disposes bleeder vent and hand hole, and accessible hand hole supplys fresh water and the inside condition of inspection box.
Further, when the malleation moisturizing structure is pressed a jar body structure for area, press a jar body to constitute by stainless steel material, press a jar body to be provided by the user compressed air pipeline all the way as pressure source, press a jar body top to be provided with manometer, relief valve and water injection valve, be provided with the stop valve on the compressed air pipeline, adjust into jar pressure through the stop valve, pour into fresh water through the water injection valve into, press the lateral wall of a jar body to be provided with the manhole that is used for the internal conditions of inspection jar.
Further, the air-bleeding branch pipe and the water-replenishing branch pipe are both made of PE hoses.
Compared with the prior art, the utility model discloses a beneficial effect that technical scheme brought is:
1. the utility model discloses malleation watertight fittings simple structure can provide stable pressure source for the submerged motor, makes the inside medium pressure of motor be greater than the outside medium pressure of motor all the time, prevents inside outside medium (like sea water, small sand grain etc.) gets into the motor, greatly reduces the inside spare part wearing and tearing of motor or corrosion rate, in addition the utility model discloses construction step is simple, effectively improves submerged motor reliability and increase of service life, reduces because of the economic loss that equipment trouble shut down caused.
2. The utility model discloses malleation moisturizing structure adopts the hose connection with the submerged motor, does not increase and carries pump work load, and very big optimization equipment performance increases the new mode of a monitoring motor inside seal effect simultaneously, solves the difficult technological problem of effective monitoring of equipment under water, for the preventive maintenance of equipment provides powerful support, greatly reduces and carries pump maintenance or overhauls the number of times, reduces human cost and cost of maintenance.
Drawings
Fig. 1 is a schematic view of a positive pressure waterproof mode of a submersible motor.
Fig. 2 is a schematic structural diagram of a normal-pressure water tank as a positive-pressure water supplementing structure.
FIG. 3 is a schematic view of a pressurized tank with a positive pressure water replenishing structure.
Reference numerals: 1-positive pressure water supplementing structure, 2-submergence motor, 3-air release valve, 4-air supplementing valve, 5-air release branch pipe, 6-water supplementing branch pipe, 7-liquid level meter, 8-air release valve, 9-hand hole, 10-air vent, 11-stop valve, 12-pressure gauge, 13-water injection valve, 14-safety valve, 15-manhole
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the utility model provides a positive pressure waterproof device for a submersible motor, which comprises a positive pressure water replenishing structure 1, wherein the positive pressure water replenishing structure 1 is connected with an air release branch pipe 5 and a water replenishing branch pipe 6, the air release branch pipe 5 and the water replenishing branch pipe 6 are respectively provided with an air release valve 3 and a water replenishing valve 4, and the air release valve and the water replenishing valve are normally open when the positive pressure waterproof device is normally put into use; the positive pressure water supplementing structure 1 is provided with a liquid level meter 7 in a magnetic turning plate form, fresh water consumption in the positive pressure water supplementing structure main body can be observed through reading of the liquid level meter 7, and when abnormal change of liquid level reading is found, the submersible motor 2 equipment needs to be extracted to the water surface for preventive maintenance; the bottom of the main body of the positive pressure water supplementing structure 1 is provided with a discharge valve 8, and the discharge valve 8 is in a normally closed state when the positive pressure waterproof device is in a normal use state; the positive pressure water supplementing structure is divided into two types of a normal pressure box body and a pressure tank body, and the main body is made of stainless steel. The top of the normal pressure box body is provided with an air vent 10, the air vent 10 is communicated with the outdoor atmosphere, and fresh water is supplemented and the internal condition of the box body is checked through a hand hole 9; the pressurized tank body is connected with a path of compressed air pipeline provided by a user to serve as a pressure source, the pressure of the tank inlet is adjusted through a stop valve 11, a pressure gauge 12 and a safety valve 14 are arranged at the top of the tank body, fresh water is supplemented through a water injection valve 13, and the condition inside the tank body is checked through a manhole 15.
The positive pressure waterproof method for the submersible motor is characterized in that the positive pressure waterproof device for the submersible motor is adopted for waterproof protection, and comprises the following steps:
and 3, on the water surface, the positive pressure water supplementing structure is respectively connected with the submersible motor body through a water supplementing branch pipe 6 and an air discharging branch pipe 5. The water replenishing branch pipe 6 and the air discharging branch pipe 5 adopt a whole section (joint-free subsection) of PE flexible pipe. The hose joint is made of 316L material, the end joint of the motor body is a right-angle joint, and the end joint of the motor hose is a 90-degree elbow sleeve OD loose joint;
and 5, installing the submersible motor 2 in place. For example, the submersible motor device can be assembled on the water surface and then slowly enter the water. After the equipment is installed in place, the water supply branch pipe 6 and the air discharge branch pipe 5 need to be firmly fixed, and the hose is not twisted or deformed due to external force extrusion;
and 6, filling water and compressed air into the positive pressure water supplementing structure main body (filling according to requirements), continuously operating the submersible motor equipment for 24 hours, observing that the liquid level counting value has no obvious change, and confirming that the positive pressure water supplementing device is normally put into use.
The present invention is not limited to the above-described embodiments. The above description of the embodiments is intended to describe and illustrate the technical solutions of the present invention, and the above embodiments are merely illustrative and not restrictive. Without departing from the spirit of the invention and the scope of the appended claims, the person skilled in the art can make many changes in form and detail within the teaching of the invention.
Claims (4)
1. A positive-pressure waterproof device for a submersible motor is characterized by comprising a positive-pressure water supplementing structure, wherein the positive-pressure water supplementing structure consists of a normal-pressure box body or a pressurized tank body, the positive-pressure water supplementing structure is connected with one end of an air release branch pipe and one end of a water supplementing branch pipe, and the air release branch pipe and the water supplementing branch pipe are respectively provided with an air release valve and a water supplementing valve; the other ends of the air bleeding branch pipe and the water replenishing branch pipe are connected with a submersible motor; the side of malleation moisturizing structure is provided with the level gauge, and the bottom of malleation moisturizing structure is provided with the bleeder valve, and malleation moisturizing structure is provided with the hole that is used for pouring into fresh water and the inside condition of inspection malleation moisturizing structure.
2. The positive pressure waterproof device for a submersible motor according to claim 1, wherein when the positive pressure water replenishing structure is a normal pressure tank body, the normal pressure tank body is made of stainless steel, and the top of the normal pressure tank body is provided with a vent hole and a hand hole through which fresh water can be replenished and the internal condition of the tank body can be checked.
3. The positive pressure waterproof device for the submersible motor according to claim 1, wherein when the positive pressure water charging structure is a pressurized tank structure, the pressurized tank is made of stainless steel, the pressurized tank is provided with a compressed air line provided by a user as a pressure source, a pressure gauge, a safety valve and a water injection valve are arranged on the top of the pressurized tank, a stop valve is arranged on the compressed air line, the pressure of the pressurized tank is adjusted by the stop valve, fresh water is injected through the water injection valve, and a manhole for checking the internal condition of the tank is arranged on the side wall of the pressurized tank.
4. The positive pressure waterproof device for a submersible motor according to claim 1, wherein the air bleeding branch pipe and the water replenishing branch pipe are each formed of a hose made of PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750514.7U CN209913620U (en) | 2019-05-23 | 2019-05-23 | Positive pressure waterproof device for submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920750514.7U CN209913620U (en) | 2019-05-23 | 2019-05-23 | Positive pressure waterproof device for submersible motor |
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| Publication Number | Publication Date |
|---|---|
| CN209913620U true CN209913620U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920750514.7U Active CN209913620U (en) | 2019-05-23 | 2019-05-23 | Positive pressure waterproof device for submersible motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266137A (en) * | 2019-05-23 | 2019-09-20 | 中海油能源发展股份有限公司 | A kind of positive pressure water-tight device and waterproof method for submersible electric motor |
-
2019
- 2019-05-23 CN CN201920750514.7U patent/CN209913620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266137A (en) * | 2019-05-23 | 2019-09-20 | 中海油能源发展股份有限公司 | A kind of positive pressure water-tight device and waterproof method for submersible electric motor |
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