CN105245051A - Oil-filled motor - Google Patents
Oil-filled motor Download PDFInfo
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- CN105245051A CN105245051A CN201510796413.XA CN201510796413A CN105245051A CN 105245051 A CN105245051 A CN 105245051A CN 201510796413 A CN201510796413 A CN 201510796413A CN 105245051 A CN105245051 A CN 105245051A
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- oil
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- top chock
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- oil pocket
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Abstract
The invention provides an oil-filled motor, belonging to the technical field of motor equipment. The oil-filled motor solves the problems that a hole needs to be formed in an upper cap and the operation is tedious when the existing oil-filled motor is subjected to airtightness detection. The oil-filled motor comprises a motor cylinder, an upper bearing pedestal and an upper cap, wherein the upper bearing pedestal is fixed connected to the end part of the motor cylinder, the upper cap is fixed connected on the upper bearing pedestal, a detection hole is formed on the upper bearing pedestal, an outgoing wire sheath is fixedly inserted in the detection hole, a wire passing hole is formed in the outgoing wire sheath along the axial direction, one end of the outgoing wire sheath extends into an oil cavity, a limiting part is arranged on the outer circumferential wall of the end extending into the oil cavity, and the end, extending into the oil cavity, of the outgoing wire sheath is further provided with a leading-in structure which can guide a gas in the oil cavity to extrude the outgoing wire sheath and passes through a space between the outer circumferential wall of the outgoing wire sheath and the hole wall of the detection hole. When the oil-filled motor provided by the invention is subjected to airtightness detection, the hole does not need be formed in the upper cap, and the airtightness of the gas cavity and the oil cavity can be detected simulatenously in a single test.
Description
Technical field
The invention belongs to motor device technical field, relate to a kind of oil charging motor.
Background technology
Filling type motor is mainly for driving immersible pump, and be widely used in agricultural, industrial and mining enterprises, coal mine drainage and urban water supply and area, plateau and extract underground water etc., this motor has anti-sand, erosion-resisting feature, can be used for sand content comparatively greatly with have in the water of weak corrosion.As shown in Figure 1, existing oil charging motor has machine barrel 1, top chock 2, upper composition such as cap 3 grade, oil pocket is formed in machine barrel, need to be filled with certain lubricating oil, and in upper cap 3, form air cavity, in air cavity, electronic devices and components are installed, therefore air cavity and oil pocket need independent sealed, avoid the lubricating oil in oil pocket to enter air cavity and damage electronic devices and components, and the cable in oil pocket needs to enter in air cavity, therefore as shown in Figure 2, top chock 2 offers wire hole 7, wire output protector 6 is provided with in wire hole 7, and wire output protector 6 is locked by sealing bolt 71, need to detect the air-tightness of oil pocket and air cavity after oil charging motor assembles, now need to carry out perforate to machine barrel 1 and upper cap 3 respectively, then inject gases at high pressure to air cavity and oil pocket one by one to test, the hole to offering is needed to seal after off-test, because upper cap 3 adopts stainless steel thin slice to make usually, be difficult to set bolt, therefore the tapping welded nut at upper cap is needed, then sealed by bolt and sealing gasket, not only need twice operation to detect air cavity and oil pocket during test, go up the perforate on cap simultaneously and reseal and all can cause the complexity of operation and the increase of cost, and in later stage use procedure, affect the sealing of air cavity.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of oil charging motor, this oil charging motor is when carrying out gas-tight test without the need to perforate on upper cap, and single test can detect the air-tightness of air cavity and oil pocket simultaneously.
Object of the present invention realizes by following technical proposal: a kind of oil charging motor, comprise machine barrel, top chock and upper cap, one end of described machine barrel is closed, top chock sealing is connected in the other end of machine barrel, described upper cap sealing is connected on top chock, oil pocket is formed between described top chock and machine barrel, air cavity is formed between top chock and upper cap, it is characterized in that, described top chock offers the detect aperture being communicated with oil pocket and air cavity, described detect aperture internal fixtion is plugged with column and has flexible wire output protector, the periphery wall of this wire output protector compresses mutually with the hole wall of detect aperture, described wire output protector offers cable-through hole vertically, cable in oil pocket is through cable-through hole, and cable and cable-through hole tight fit, one end of described wire output protector is stretched in oil pocket, and one end periphery wall stretching into oil pocket has the limiting section of protrusion, the side of described limiting section and top chock leans, one end that described wire output protector stretches into oil pocket also has can to guide gas extrusion wire output protector in oil pocket and from the guiding structure passed between wire output protector periphery wall and detect aperture hole wall when the air pressure in oil pocket is elevated to set point.
In the oil pocket formed between top chock and machine barrel, motor shaft is installed, rotor, the parts such as stator, need to be filled with a certain amount of lubricating oil for Cooling and Lubricator in oil pocket simultaneously, in the air cavity formed between top chock and upper cap, electronic devices and components are installed, the parts such as control panel, cable in oil pocket passes the cable-through hole of wire output protector and is connected with the electronic devices and components in air cavity, passed by upper cap again, under normal operating condition, normal pressure is in oil pocket and air cavity, therefore have between flexible wire output protector and detect aperture and seal, seal between cable and cable-through hole, the lubricating oil in oil pocket is avoided to enter air cavity, when needing to carry out air-leakage test test to oil pocket and air cavity, by the oil-filled hole on machine barrel, certain machine barrel wall thickness, also can perforate on machine barrel, thus gases at high pressure are injected to oil pocket, certainly due to wire output protector having limiting section, this limiting section avoids wire output protector to depart from detect aperture when oil pocket internal gas pressure raises, when the air pressure in oil pocket reaches set point, guiding structure can guide the gas in oil pocket, the gas extrusion in oil pocket is made to have flexible wire output protector, namely there is gap between wire output protector periphery wall and detect aperture hole wall, therefore the gas in oil pocket can enter in air cavity, the air pressure in oil pocket and the air pressure in air cavity is made to reach balance, namely once just can realize the air-leakage test of oil pocket and air cavity to oil pocket inflation simultaneously, therefore perforate gas injection on upper cap is avoided, also simplify the program of air-leakage test test.
In above-mentioned oil charging motor, described limiting section is convex annular edge, and the external diameter of described limiting section is greater than the aperture of detect aperture, and the side of the end face of limiting section and top chock fits and compresses.Limiting section has the function of location wire output protector, and fit with top chock side under normal operating condition compresses simultaneously, namely adds the sealing area between wire output protector and top chock, improves sealing.
In above-mentioned oil charging motor, what described guiding structure comprised at least one strip crosses air drain, and this is crossed air drain and is opened on the end face that limiting section and top chock recline mutually, and the inlet end port of mistake air drain is positioned on the periphery wall of limiting section.When oil pocket internal gas pressure raises, gas in oil pocket can enter air drain, simultaneously at the outlet side radial compression wire output protector crossing air drain, namely wire output protector can shrink by radial deformation, and gas further extrudes and enters in air cavity between wire output protector periphery wall and detect aperture hole wall.
In above-mentioned oil charging motor, described air drain excessively has five, and these five mistake air drain circumferences are uniform, and the described outlet side crossing air drain extends on the periphery wall of wire output protector.Circumferential uniform air drain excessively can make wire output protector be extruded uniformly, and the air drain excessively extended on wire output protector periphery wall can make gas directly extrude wire output protector.
In above-mentioned oil charging motor, described guiding structure comprises the importing conical surface, and this importing conical surface is positioned at the end face edge that limiting section reclines mutually with top chock, and the edge, one end importing the conical surface less contacts with top chock side.Gas in oil pocket can, at importing conical surface place extruding limiting section, make to produce gap between limiting section end face and top chock side, and gas is further extruding radial extruding wire output protector after entering this gap.
In above-mentioned oil charging motor, the edge, aperture at described detect aperture two ends all has arc angling.Detect aperture can guide gas to enter between wire output protector periphery wall and detect aperture hole wall towards the arc angling of oil pocket one end, makes gas enter air cavity more easily by detect aperture.
In above-mentioned oil charging motor, one end of described wire output protector is stretched in air cavity, and circumference has convex edge on one end periphery wall stretching into air cavity, the external diameter on described convex edge is greater than the aperture of detect aperture, and the end face on convex edge and the side of top chock fit and compress.Wire output protector is fixed in detect aperture along coordinating with limiting section by convex, can compress to be formed with top chock to seal.
In above-mentioned oil charging motor, the external diameter of described limiting section is less than the external diameter on convex edge, and described limiting section has chamfer towards edge, one end circumference of machine barrel.Convex is diametrically larger, to increase sealing area as far as possible, limiting section diameter is less, there is chamfer simultaneously, further in conjunction with the arc angling of detect aperture towards air cavity one end, be pressed in detect aperture during ease of assembly by wire output protector, chamfer can weaken the intensity of limiting section outer edge simultaneously, when oil pocket internal gas pressure raises, gas more easily makes to produce gap between limiting section and top chock, forms the cutting point of gas extrusion wire output protector.
In above-mentioned oil charging motor, described wire output protector adopts elastomeric material to make.Elastomeric material has good sealing, has good elasticity and deformability simultaneously.
Compared with prior art, this oil charging motor has the following advantages:
1, due under normal operating condition, in oil pocket and air cavity, be normal pressure, therefore have between flexible wire output protector and detect aperture and seal, seal between cable and cable-through hole, avoid the lubricating oil in oil pocket to enter air cavity.
2, due to when the air pressure in oil pocket reaches set point, guiding structure can guide the gas in oil pocket, the gas extrusion in oil pocket is made to have flexible wire output protector, therefore the gas in oil pocket can enter in air cavity, namely once just can realize the air-leakage test of oil pocket and air cavity to oil pocket inflation simultaneously, avoid perforate gas injection on upper cap, also simplify the program of air-leakage test test.
3, because detect aperture has arc angling towards oil pocket one end, therefore, it is possible to guide gas to enter between wire output protector periphery wall and detect aperture hole wall, gas is made to enter air cavity more easily by detect aperture.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of existing oil charging motor.
Fig. 2 is the schematic enlarged-scale view at A place in Fig. 1.
Fig. 3 is the structure cutaway view of this oil charging motor.
Fig. 4 is the schematic enlarged-scale view at B place in Fig. 3.
Fig. 5 is the structure cutaway view of wire output protector.
Fig. 6 is the partial structurtes cutaway view of the oil charging motor in embodiment two.
In figure, 1, machine barrel; 2, top chock; 21, detect aperture; 22, arc angling; 3, upper cap; 4, oil pocket; 5, air cavity; 6, wire output protector; 61, cable-through hole; 62, limiting section; 621, air drain is crossed; 622, the conical surface is imported; 623, chamfer; 63, convex edge; 7, wire hole; 71, sealing bolt.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one:
As Fig. 3, shown in Fig. 4, a kind of oil charging motor, comprise machine barrel 1, top chock 2 and upper cap 3, one end of machine barrel 1 is closed, top chock 2 sealing is connected in the other end of machine barrel 1, upper cap 3 sealing is connected on top chock 2, oil pocket 4 is formed between top chock 2 and machine barrel 1, for mounted motor axle, rotor, the parts such as stator, need to be filled with a certain amount of lubricating oil for Cooling and Lubricator in oil pocket 4 simultaneously, air cavity 5 is formed between top chock 2 and upper cap 3, for being provided with electronic devices and components, the parts such as control panel, top chock 2 offers the detect aperture 21 being communicated with oil pocket 4 and air cavity 5, detect aperture 21 internal fixtion is plugged with column and has flexible wire output protector 6, the periphery wall of this wire output protector 6 compresses mutually with the hole wall of detect aperture 21, wire output protector 6 offers cable-through hole 61 vertically, cable in oil pocket 4 passes the cable-through hole 61 of wire output protector 6 and is connected with the electronic devices and components in air cavity 5, passed by upper cap 3 again, cable and cable-through hole 61 tight fit realize sealing.Under normal operating condition, in oil pocket 4 and air cavity 5, be normal pressure, therefore have between flexible wire output protector 6 and detect aperture 21 and seal, seal between cable and cable-through hole 61, avoid the lubricating oil in oil pocket 4 to enter air cavity 5.One end of wire output protector 6 is stretched in oil pocket 4, and one end periphery wall stretching into oil pocket 4 has the limiting section 62 of protrusion, limiting section 62 leans with the side of top chock 2, and one end that wire output protector 6 stretches into oil pocket 4 also has can guide the gas extrusion wire output protector 6 in oil pocket 4 when the air pressure in oil pocket 4 is elevated to set point and from the guiding structure passed between wire output protector 6 periphery wall and detect aperture 21 hole wall.When needing to carry out air-leakage test test to oil pocket 4 and air cavity 5, by the oil-filled hole on machine barrel 1, certain machine barrel 1 wall thickness, also can perforate on machine barrel 1, thus gases at high pressure are injected to oil pocket 4, certainly due to wire output protector 6 having limiting section 62, this limiting section 62 avoids wire output protector 6 to depart from detect aperture 21 when oil pocket 4 internal gas pressure raises, when the air pressure in oil pocket 4 reaches set point, guiding structure can guide the gas in oil pocket 4, the gas extrusion in oil pocket 4 is made to have flexible wire output protector 6, namely there is gap between wire output protector 6 periphery wall and detect aperture 21 hole wall, therefore the gas in oil pocket 4 can enter in air cavity 5, the air pressure in the air pressure in oil pocket 4 and air cavity 5 is made to reach balance, namely once just can realize the air-leakage test of oil pocket 4 and air cavity 5 to oil pocket 4 inflation simultaneously, therefore perforate gas injection on upper cap 3 is avoided, also simplify the program of air-leakage test test.
Specifically, shown in composition graphs 5, limiting section 62 is convex annular edge, the external diameter of limiting section 62 is greater than the aperture of detect aperture 21, and the side of the end face of limiting section 62 and top chock 2 fits and compresses, limiting section 62 has the function of location wire output protector 6, and fit with top chock 2 side under normal operating condition compresses simultaneously, namely add the sealing area between wire output protector 6 and top chock 2, improve sealing.Guiding structure comprises the air drain 621 excessively of strip, this is crossed air drain 621 and is opened on the end face that limiting section 62 and top chock 2 recline mutually, and the inlet end port crossing air drain 621 is positioned on the periphery wall of limiting section 62, when oil pocket 4 internal gas pressure raises, gas in oil pocket 4 can enter air drain 621, simultaneously at the outlet side radial compression wire output protector 6 crossing air drain 621, namely wire output protector 6 can shrink by radial deformation, and gas further extrudes and enters in air cavity 5 between wire output protector 6 periphery wall and detect aperture 21 hole wall.Cross air drain 621 and have five, and these five mistake air drain 621 circumferences are uniform, circumferential uniform air drain 621 excessively can make wire output protector 6 be extruded uniformly, and the outlet side crossing air drain 621 extends on the periphery wall of wire output protector 6, and gas can be made directly to extrude wire output protector 6.Detect aperture 21 has arc angling 22 towards aperture, one end circumference of oil pocket 4, gas can be guided to enter between wire output protector 6 periphery wall and detect aperture 21 hole wall, make gas enter air cavity 5 more easily by detect aperture 21.
One end of wire output protector 6 is stretched in air cavity 5, and circumference has convex along 63 on one end periphery wall stretching into air cavity 5, the external diameter of convex along 63 is greater than the aperture of detect aperture 21, and the side of the end face of convex along 63 and top chock 2 fits and compresses, convex to coordinate with limiting section 62 along 63 and is fixed in detect aperture 21 by wire output protector 6, can compress to be formed with top chock 2 to seal.The external diameter of limiting section 62 is less than the external diameter of convex along 63, limiting section 62 has chamfer 623 towards edge, one end circumference of machine barrel 1, convex is larger along 63 diameters, to increase sealing area as far as possible, limiting section 62 diameter is less, there is chamfer 623 simultaneously, further, detect aperture 21 has arc angling 22 towards edge, aperture, air cavity 5 one end, during ease of assembly, wire output protector 6 is pressed in detect aperture 21, chamfer 623 can weaken the intensity of limiting section 62 outer edge simultaneously, when oil pocket 4 internal gas pressure raises, gas more easily makes to produce gap between limiting section 62 and top chock 2, form the cutting point of gas extrusion wire output protector 6.Wire output protector 6 adopts elastomeric material to make, and has good sealing, has good elasticity and deformability simultaneously.
Embodiment two:
The structure of this oil charging motor is substantially identical with embodiment one, difference is as shown in Figure 6, guiding structure comprises the importing conical surface 622, this importing conical surface 622 is positioned at the end face edge that limiting section 62 reclines mutually with top chock 2, and the edge, one end importing the conical surface 622 less contacts with top chock 2 side, gas in oil pocket 4 can at the importing conical surface 622 place extruding limiting section 62, make to produce gap between limiting section 62 end face and top chock 2 side, gas is further extruding radial extruding wire output protector 6 after entering this gap.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as machine barrel 1, top chock 2, detect aperture 21 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. an oil charging motor, comprise machine barrel (1), top chock (2) and upper cap (3), one end of described machine barrel (1) is closed, top chock (2) sealing is connected in the other end of machine barrel (1), described upper cap (3) sealing is connected on top chock (2), oil pocket (4) is formed between described top chock (2) and machine barrel (1), air cavity (5) is formed between top chock (2) and upper cap (3), it is characterized in that, described top chock (2) offers the detect aperture (21) being communicated with oil pocket (4) and air cavity (5), described detect aperture (21) internal fixtion is plugged with column and has flexible wire output protector (6), the periphery wall of this wire output protector (6) compresses mutually with the hole wall of detect aperture (21), described wire output protector (6) offers vertically cable-through hole (61), cable in oil pocket (4) is through cable-through hole (61), and cable and cable-through hole (61) tight fit, one end of described wire output protector (6) is stretched in oil pocket (4), and one end periphery wall stretching into oil pocket (4) has the limiting section (62) of protrusion, described limiting section (62) leans with the side of top chock (2), one end that described wire output protector (6) stretches into oil pocket (4) also has can to guide gas extrusion wire output protector (6) in oil pocket (4) and from the guiding structure passed between wire output protector (6) periphery wall and detect aperture (21) hole wall when the air pressure in oil pocket (4) is elevated to set point.
2. oil charging motor according to claim 1, it is characterized in that, described limiting section (62) is convex annular edge, the external diameter of described limiting section (62) is greater than the aperture of detect aperture (21), and the side of the end face of limiting section (62) and top chock (2) fits and compresses.
3. oil charging motor according to claim 2, it is characterized in that, described guiding structure comprises the air drain (621) excessively of at least one strip, this is crossed air drain (621) and is opened on the end face that limiting section (62) and top chock (2) recline mutually, and the inlet end port crossing air drain (621) is positioned on the periphery wall of limiting section (62).
4. oil charging motor according to claim 3, it is characterized in that, described cross air drain (621) have five, and these five cross air drain (621) circumference uniform, described cross air drain (621) outlet side extend on the periphery wall of wire output protector (6).
5. oil charging motor according to claim 2, it is characterized in that, described guiding structure comprises the importing conical surface (622), this importing conical surface (622) is positioned at the end face edge that limiting section (62) reclines mutually with top chock (2), and the edge, one end importing the conical surface (622) less contacts with top chock (2) side.
6. the oil charging motor according to claim 3 or 4 or 5, is characterized in that, the edge, aperture at described detect aperture (21) two ends all has arc angling (22).
7. the oil charging motor according to claim 3 or 4 or 5, it is characterized in that, one end of described wire output protector (6) is stretched in air cavity (5), and circumference has convex along (63) on one end periphery wall stretching into air cavity (5), described convex is greater than the aperture of detect aperture (21) along the external diameter of (63), and convex fits along the end face of (63) and the side of top chock (2) and compresses.
8. oil charging motor according to claim 7, it is characterized in that, the external diameter of described limiting section (62) is less than the external diameter of convex along (63), and described limiting section (62) has chamfer (623) towards edge, one end circumference of machine barrel (1).
9. the oil charging motor according to claim 3 or 4 or 5, is characterized in that, described wire output protector (6) adopts elastomeric material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796413.XA CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510796413.XA CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
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| Publication Number | Publication Date |
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| CN105245051A true CN105245051A (en) | 2016-01-13 |
| CN105245051B CN105245051B (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510796413.XA Active CN105245051B (en) | 2015-11-18 | 2015-11-18 | A kind of oil charging motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131653A (en) * | 2021-04-17 | 2021-07-16 | 台州立克科技有限公司 | Mechanical automatic refrigeration and heat dissipation motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08163810A (en) * | 1994-12-03 | 1996-06-21 | Tsurumi Mfg Co Ltd | Motor casing for submersible pump |
| JP2000217296A (en) * | 1999-01-25 | 2000-08-04 | Mitsubishi Electric Corp | Sealing-liquid type underwater electric machine |
| CN202931081U (en) * | 2012-10-15 | 2013-05-08 | 浙江东音泵业股份有限公司 | Diving generator inner chamber pressure balancing device for well |
| CN204141073U (en) * | 2014-07-09 | 2015-02-04 | 苏州优德通力电气有限公司 | A kind of submerged pump cable sealing structure |
| CN205141885U (en) * | 2015-11-18 | 2016-04-06 | 浙江东音泵业股份有限公司 | Oil charge motor |
-
2015
- 2015-11-18 CN CN201510796413.XA patent/CN105245051B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08163810A (en) * | 1994-12-03 | 1996-06-21 | Tsurumi Mfg Co Ltd | Motor casing for submersible pump |
| JP2000217296A (en) * | 1999-01-25 | 2000-08-04 | Mitsubishi Electric Corp | Sealing-liquid type underwater electric machine |
| CN202931081U (en) * | 2012-10-15 | 2013-05-08 | 浙江东音泵业股份有限公司 | Diving generator inner chamber pressure balancing device for well |
| CN204141073U (en) * | 2014-07-09 | 2015-02-04 | 苏州优德通力电气有限公司 | A kind of submerged pump cable sealing structure |
| CN205141885U (en) * | 2015-11-18 | 2016-04-06 | 浙江东音泵业股份有限公司 | Oil charge motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131653A (en) * | 2021-04-17 | 2021-07-16 | 台州立克科技有限公司 | Mechanical automatic refrigeration and heat dissipation motor |
| CN113131653B (en) * | 2021-04-17 | 2022-08-26 | 台州立克科技有限公司 | Mechanical automatic refrigeration and heat dissipation motor |
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| Publication number | Publication date |
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| CN105245051B (en) | 2017-09-22 |
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Effective date of registration: 20200201 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co., Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: Zhejiang Dongyin Pump Co., Ltd. |
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