CN108799146B - Deep well pump with efficient waterproof motor and production process thereof - Google Patents
Deep well pump with efficient waterproof motor and production process thereof Download PDFInfo
- Publication number
- CN108799146B CN108799146B CN201810415862.9A CN201810415862A CN108799146B CN 108799146 B CN108799146 B CN 108799146B CN 201810415862 A CN201810415862 A CN 201810415862A CN 108799146 B CN108799146 B CN 108799146B
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- epoxy resin
- stator coil
- machine barrel
- bearing seat
- shielding sleeve
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 71
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 71
- 239000003990 capacitor Substances 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 11
- 238000009489 vacuum treatment Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 52
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910002804 graphite Inorganic materials 0.000 description 15
- 239000010439 graphite Substances 0.000 description 15
- 239000000110 cooling liquid Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Classifications
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/021—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles by casting in several steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/42—Casting under special conditions, e.g. vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
Abstract
The invention discloses a deep well pump with a high-efficiency waterproof motor and a production process thereof, relating to the field of water pumps, wherein the technical scheme is as follows: the motor comprises a cylinder, an upper bearing seat, a lower bearing seat, a rotor and a stator coil are arranged on the cylinder, an output shaft is penetrated in the middle of the rotor, a shielding sleeve is sleeved on the rotor, two ends of the shielding sleeve are fixedly connected with the upper bearing seat and the lower bearing seat, epoxy resin is poured between the shielding sleeve and the stator coil, and the epoxy resin is wrapped outside the stator coil; the production process of the deep-well pump comprises the steps of loading an upper bearing seat, a stator coil, a shielding sleeve, a rotor and a capacitor, heating epoxy resin at different temperatures for different times, and injecting the epoxy resin into a machine barrel from a pouring hole for three times to wrap the stator coil; the epoxy resin has the characteristics of strong leakage resistance and high compactness, is favorable for isolating the entered water outside the stator coil, effectively avoids the contact between the water and the stator coil, further improves the waterproof effect inside the motor, and reduces the damage of the motor.
Description
Technical Field
The invention relates to the field of water pumps, in particular to a deep well pump with an efficient waterproof motor and a production process thereof.
Background
Deep-well pumps are machines that extract water deep into a wellbore. The pump is immersed in an underground water well to suck and send water, and is widely applied to mine rescue, construction drainage, agricultural irrigation, industrial water circulation, hot spring water outlet, urban and rural resident drinking water supply and the like, even rescue and relief work, pumping water with deeper underground water level and the like.
The prior deep-well pump is disclosed in a Chinese patent with publication number of CN206111595U, and comprises a motor, a water inlet joint, a pump body and a water outlet joint, wherein the motor comprises a machine barrel, an upper end cover and a lower end cover are respectively arranged at two ends of the machine barrel, a motor cavity is formed between the machine barrel and the upper end cover as well as between the machine barrel and the lower end cover, oil is filled in the motor cavity, a stator and a rotor are arranged in the motor cavity, a motor shaft is arranged at the center of the rotor, and the motor shaft extends out of the upper end cover and is connected with a pump shaft in the pump body.
The deep-well pump is generally immersed into water in the use process, the pressure born by the motor gradually increases in the process, and water outside the deep-well pump gradually enters the motor, so that the water can be contacted with the stator coil inside the motor, and the motor is easy to damage.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a deep well pump with a high-efficiency waterproof motor and a production process thereof, and the deep well pump has the advantage of good waterproof effect.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a deep-well pump with high-efficient waterproof motor, includes the pump body, sets up in the motor of pump body below, the motor includes the barrel, the both ends of barrel are equipped with bolster bearing housing, bolster bearing housing respectively, be equipped with rotor and stator coil in the barrel, the output shaft is worn to be equipped with in the middle part of rotor, in the bolster bearing housing was worn to locate to the one end of output shaft, the other end passed bolster bearing housing and connected in the pump body, the cover is equipped with the shield cover on the lateral wall of rotor, the both ends of shield cover are fixed connection respectively on bolster bearing housing and bolster bearing housing, the shield cover with the pouring has epoxy between the stator coil, the epoxy parcel is outside the stator coil between bolster bearing housing and bolster bearing housing.
According to the technical scheme, when the deep-well pump enters into the underwater working process, if water enters into the machine barrel, the stator coil is completely wrapped by the epoxy resin, and the epoxy resin has strong leakage resistance, high compactness and strong adhesion capacity, so that the entering water can be isolated outside the stator coil, the contact between the water and the stator coil is effectively avoided, and the waterproof effect inside the motor is improved; meanwhile, the epoxy resin can also be used as an adhesive, and particularly has more excellent bonding strength on the surface of metal, so that the connection between the shielding sleeve and the stator coil is more compact, and the tightness between the shielding sleeve and the stator coil is greatly improved; in addition, the stator coil and the rotor are generally separated by the rubberized wire in the market, and the current passing through the rubberized wire is larger when the motor works, so that the current loss can be effectively reduced compared with the case that the rubberized wire uses epoxy resin, the energy saving is facilitated, and the motor is cleaner and more environment-friendly; the wading depth of the deep-well pump can reach 300 meters, so that the problem that the motor burns due to water seepage caused by too deep wading depth of the deep-well pump is solved.
Preferably, the upper bearing seat is provided with a water through hole communicated with the inside of the shielding sleeve in a penetrating way, and a one-way valve is arranged in the water through hole.
Through the technical scheme, when the deep-well pump is placed under water to work, if the pressure of water in the external environment is greater than that in the shielding sleeve, the external water can enter the shielding sleeve in a unidirectional way from the external environment through the water through hole and the one-way valve, and can not ooze out of the shielding sleeve, so that the pressure inside and outside the deep-well pump can be kept consistent, and the deep-well pump can keep normal operation.
Preferably, a filter element is arranged in the water through hole above the one-way valve.
Through above-mentioned technical scheme, when water enters into the limbers by external environment, the filter core can separate the impurity in the water to inside reducing tiny grit etc. enters into the motor, and then reducible motor rotates in-process grit to the wearing and tearing of motor, is favorable to prolonging the life of motor.
Preferably, the shielding sleeve is cooled by water or cooling liquid.
Through above-mentioned technical scheme, when the rotor is installed in the shielding cover, through filling water or coolant liquid in the shielding cover, compare in oil cooling can effectively reduce the pollution to outside water, and then be favorable to more environmental protection operation.
Preferably, a capacitor is arranged in the machine barrel, the capacitor is sleeved on the outer side of the shielding sleeve and is close to the lower bearing seat, and the epoxy resin is wrapped on the outer side of the capacitor.
Through above-mentioned technical scheme, when the water pump operation in-process, the capacity can decide the water yield and the work efficiency etc. of water pump, and the electric capacity is external outside the motor and is connected through the cable conductor under the general circumstances, and through the bottom of arranging the electric capacity in the motor and lug connection on the motor, can effectively reduce the use of cable conductor, be favorable to practicing thrift the cost, simultaneously because the protection of outside barrel, reducible electric capacity is destroyed probability.
Preferably, the capacitor comprises a shell, and a pouring hole is formed in the side wall of the shell in a penetrating mode and communicated with the stator coil.
Through the technical scheme, after the internal assembly of the motor is completed, the capacitor is installed in the machine barrel, and at the moment, the epoxy resin can be poured into the machine barrel through the pouring hole.
Preferably, the shell at two sides of the pouring hole is provided with a containing groove, the capacitor further comprises small capacitors which are serially connected in the containing groove, and the number of the small capacitors is 9-11.
According to the technical scheme, as the capacitor plays a decisive role in the water outlet speed and the like of the deep well pump, the capacitor is divided into 9-11 small capacitors and is installed in the accommodating groove in series, the working efficiency of the deep well pump can be improved to the greatest extent, the temperature born by each small capacitor is the same, and if the deep well pump works in water with higher temperature such as hot springs, the temperature born by the combination of the small capacitors is higher.
Preferably, a graphite bearing is arranged in the lower bearing seat, and the graphite bearing is sleeved on the output shaft.
According to the technical scheme, when the output shaft rotates in the working process, compared with a common bearing, the bearing capacity of the lower bearing seat can be effectively improved by arranging the graphite bearing, and the service life of the motor is prolonged; in addition, the graphite bearing is used for adapting to the higher motor rotating speed, meeting the current variable frequency rotating speed requirement, adapting to the rotating speeds with different frequencies, and enabling the maximum adapting rotating speed to reach 12000/r.
Preferably, the outer side wall of the lower bearing seat is symmetrically provided with a sliding block, an embedded block is arranged on the sliding block in a protruding mode, the outer side wall, close to the graphite bearing, of the output shaft is sleeved with a mounting ring, and an embedded groove which is embedded with the embedded block in the direction is formed in the mounting ring.
Through above-mentioned technical scheme, when the output shaft is rotating the working process, through the mutual gomphosis of abate and caulking groove with the rotation of restriction collar for the lower surface of collar is hugged closely in graphite bearing's upper surface, and with the effort that guarantees that the rotor rotated formation can act on the collar, and then reducible effort to graphite bearing, further improves graphite bearing's life.
Aiming at the defects existing in the prior art, the invention further aims to provide a production process of the deep-well pump with the efficient waterproof motor, which has the advantage of improving the waterproof effect of the deep-well pump.
The technical aim of the invention is realized by the following technical scheme: a production process of a deep well pump with a high-efficiency waterproof motor comprises the following steps:
step one: firstly, loading a stator coil into a machine barrel, loading an upper bearing seat into the end part of the machine barrel, then loading a shielding sleeve into the machine barrel to enable the shielding sleeve to be attached to the stator coil, loading a rotor into the shielding sleeve to enable an output shaft to protrude out of the end part of the upper bearing seat, and then sleeving a capacitor outside the shielding sleeve at the bottom of the machine barrel;
step two: the stator coil is poured with epoxy resin for three times through the pouring holes, the interior of the machine barrel is firstly subjected to vacuum treatment for the first time, then the epoxy resin which needs to be filled for the first time is heated to 70-80 ℃ for 15-25 minutes, and after the epoxy resin is softened, the epoxy resin is poured into the machine barrel and then is kept stand for 1-1.5 hours to solidify the epoxy resin;
step three: then carrying out a second vacuum treatment on the interior of the machine barrel, heating the second new epoxy resin to 100-120 ℃ for 40-60 minutes, injecting the epoxy resin into the machine barrel after further softening, and standing for 2.5-3 hours to solidify the epoxy resin;
step four: then carrying out third vacuum treatment on the interior of the machine barrel, heating the third new epoxy resin to 140-160 ℃ for 1-2 hours, melting the epoxy resin, injecting the epoxy resin into the machine barrel, and standing for 3.5-4.5 hours to solidify the epoxy resin;
step five: and (3) placing the lower bearing seat below the capacitor, and then covering the capacitor with a bottom cover for sealing and fixing.
According to the technical scheme, the vacuum treatment is carried out on the inside of the machine barrel before the epoxy resin is injected each time, so that the epoxy resin in a softened state is subjected to the action of external pressure in the process of entering the machine barrel, the epoxy resin can quickly enter the machine barrel, gaps exist among copper wires of the stator coil, and the epoxy resin can gradually enter the gaps under the pressed state, so that the stator coil can be fully wrapped; in addition, epoxy resin is injected into the machine barrel for three times, the heating time and the heating temperature are gradually increased each time, so that the softening degree of the epoxy resin can be gradually increased, meanwhile, the epoxy resin is heated to a molten state for the third time, and then is injected into the machine barrel layer by layer, so that the stator coil is gradually wrapped in the epoxy resin, particularly after the epoxy resin in the molten state for the third time is injected, the residual gaps in the machine barrel after the previous two injections are further wrapped, the entering water can be isolated outside the stator coil, the contact between the water and the stator coil is effectively avoided, and the waterproof effect inside the motor is improved.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the stator coil is completely wrapped by filling the epoxy resin, so that the characteristics of strong leakage resistance, high compactness and strong adhesion capability of the epoxy resin are fully exerted, the entering water is favorably isolated outside the stator coil, the contact between the water and the stator coil is effectively avoided, the waterproof effect inside the motor is improved, and the damage of the motor is reduced;
2. the capacitor is arranged at the bottom of the motor, so that the use of a cable can be effectively reduced, the cost is saved, and meanwhile, the probability of damaging the capacitor can be reduced due to the protection of an external machine barrel;
3. by adopting the graphite bearing, the bearing capacity of the lower bearing seat can be effectively improved, and the service life of the motor can be prolonged.
Drawings
FIG. 1 is an overall construction diagram of a first embodiment for highlighting the overall construction of the embodiment;
fig. 2 is a sectional view of the motor in the first embodiment, for focusing on the internal structure of the motor;
FIG. 3 is an enlarged view of portion A of FIG. 2, for highlighting the construction of the cartridge;
FIG. 4 is a diagram showing the overall structure of a capacitor according to the first embodiment, for focusing on the overall structure of the capacitor;
fig. 5 is an exploded view of the mounting ring and the lower bearing housing of the first embodiment, for highlighting the positions of the spacer blocks and the inserts.
Reference numerals: 1. a pump body; 2. a motor; 21. a barrel; 22. an upper bearing seat; 221. a water through hole; 222. a one-way valve; 23. a lower bearing seat; 24. a rotor; 25. a stator coil; 26. an output shaft; 27. a filter element; 3. a shielding sleeve; 4. an epoxy resin; 5. a capacitor; 51. a housing; 511. a receiving groove; 52. a small capacitance; 6. pouring holes; 7. a graphite bearing; 8. a slide block; 81. an insert; 9. a mounting ring; 91. a caulking groove; 10. and (5) cushion blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1 and 2, a deep well pump with a high-efficiency waterproof motor comprises a pump body 1 and a motor 2 fixedly connected to the lower part of the pump body 1, wherein the motor 2 comprises a machine barrel 21, a rotor 24 and a stator coil 25 are arranged in the machine barrel 21, the outer side wall of the stator coil 25 is fixedly connected to the inner side wall of the machine barrel 21, an output shaft 26 is penetrated in the middle of the rotor 24 along the length direction, an upper bearing seat 22 and a lower bearing seat 23 are respectively arranged at two ends of the machine barrel 21, one end of the output shaft 26 is connected to the lower bearing seat 23, and the other end of the output shaft penetrates through the upper bearing seat 22 and is connected to the pump body 1.
Referring to fig. 2 and 3, a cylindrical shielding sleeve 3 is arranged between the outer side wall of the rotor 24 and the stator coil 25, the shielding sleeve 3 is made of stainless steel material and is used for isolating the rotor 24 from the stator coil 25, and two ends of the shielding sleeve 3 are fixedly connected to the upper bearing seat 22 and the lower bearing seat 23 respectively; the side wall of the upper bearing seat 22 is provided with a water through hole 221 communicated with the inside of the shielding sleeve 3 in a penetrating way, a one-way valve 222 is arranged in the water through hole 221, and the water through hole 221 above the one-way valve 222 is also provided with a filter element 27; after the shielding sleeve 3 is installed in the machine barrel 21, water or cooling liquid is needed to cool the inner side wall of the shielding sleeve 3, but the use of the water and the cooling liquid is divided into two cases, when the deep-well pump is used under water, water cooling is adopted, and when the deep-well pump is used in a hot spring, the cooling liquid is adopted, so that the characteristic of faster cooling speed of the cooling liquid is utilized to the greatest extent.
Epoxy resin 4 is poured between the outer side wall of the shielding sleeve 3 and the stator coil 25, and the epoxy resin 4 is completely wrapped on the stator coil 25 between the upper bearing seat 22 and the lower bearing seat 23; the epoxy resin 4 is a high-molecular compound, has the characteristics of strong leakage resistance, high compactness and strong adhesion capability, and the epoxy resin 4 isolates the rotor 24 from the stator coil 25, so that water entering the machine barrel 21 can be effectively prevented from contacting the stator coil 25, the protection effect on the stator coil 25 is achieved, and the stator coil 25 is prevented from being damaged after contacting the water; from the viewpoint of energy conservation and environmental protection, a layer of glued wire is wrapped outside the stator coil 25 by the deep well pump in the market, and the wire has strong current passing capability, so that the problem of water penetration and water inlet of the deep well pump is solved, but the current passing through the wire wrapping insulating plastic outside the enameled wire is very large, and excessive energy loss is easy to occur; the casting process of the epoxy resin 4 is beneficial to solving the problem of energy consumption waste caused by large current.
Referring to fig. 2 and 4, a capacitor 5 is further arranged inside the machine barrel 21 close to the lower bearing seat 23, the capacitor 5 comprises a cylindrical plastic shell 51 and a small capacitor 52 arranged in the shell 51, the shell 51 is sleeved on the shielding sleeve 3, a pouring hole 6 for pouring the epoxy resin 4 is formed in the axial side wall of the shell 51, which is located outside the shielding sleeve 3, and the pouring hole 6 is communicated with the stator coil 25.
The housing 51 at two sides of the pouring hole 6 is provided with the accommodating groove 511 along the circumferential direction of the housing 51, the notch of the accommodating groove 511 faces the direction of the lower bearing seat 23, the number of the small capacitors 52 is 9-11, the preferred number is 10 here and the small capacitors 52 are all located inside the accommodating groove 511, the small capacitors 52 are uniformly distributed along the circumferential direction of the housing 51, and a connection mode of mutually connecting in series is adopted.
Referring to fig. 2 and 5, a graphite bearing 7 with a strong wear-resisting effect is arranged in the lower bearing seat 23, the graphite bearing 7 is sleeved on the output shaft 26, and the end face of the graphite bearing 7 and the end face of the lower bearing seat 23 are positioned on the same horizontal plane; two symmetrically arranged sliding blocks 8 are fixedly connected to the outer side wall of the lower bearing seat 23, an embedded block 81 is arranged on the sliding blocks 8, and the end part, far away from the sliding blocks 8, of the embedded block 81 is an arc-shaped surface and protrudes out of the end face of the lower bearing seat 23; the output shaft 26 is close to the outer wall of graphite bearing 7 and overlaps and be equipped with collar 9, and collar 9 and slider 8 all are located the inside of shell 51, have offered on the collar 9 to the caulking groove 91 of gomphosis with the caulking 81 for the lower terminal surface of collar 9 and the up end of graphite bearing 7 laminating each other.
Two symmetrical fan-shaped cushion blocks 10 are further arranged between the mounting ring 9 and the stator, and the central connecting lines of the two cushion blocks 10 are perpendicular to the central connecting lines of the two caulking grooves 91, so that acting force of the lower end face of the rotor 24 acts on the cushion blocks 10 in the rotating process of the rotor 24, and abrasion of the mounting ring 9 is reduced.
Embodiment two:
a production process of a deep well pump with a high-efficiency waterproof motor comprises the following steps:
step one: firstly, a stator coil 25 is arranged in a machine barrel 21, an upper bearing seat 22 is arranged at one end of the machine barrel 21 close to a pump body 1, a shielding sleeve 3 is arranged in the machine barrel 21 to enable the shielding sleeve 3 to be attached to the stator coil 25, a rotor 24 is arranged in the shielding sleeve 3, an output shaft 26 protrudes out of the end of the upper bearing seat 22, and then a capacitor 5 is sleeved outside the shielding sleeve 3 at the bottom of the machine barrel 21;
step two: the epoxy resin 4 can be poured into the stator coil 25 for three times through the pouring holes 6, when the first pouring is carried out, the inside of the machine barrel 21 is firstly subjected to first vacuum treatment, then the epoxy resin 4 needing to be filled for the first time is heated to 70-80 ℃ for 15-25 minutes, after the epoxy resin 4 is softened, the epoxy resin 4 is injected into the machine barrel 21, and then the machine barrel is kept stand for 1-1.5 hours to solidify the epoxy resin 4;
step three: performing secondary pouring, performing secondary vacuum treatment on the interior of the machine barrel 21, heating the secondary new epoxy resin 4 to 100-120 ℃ for 40-60 minutes, further softening the epoxy resin 4 compared with the primary epoxy resin, injecting the softened epoxy resin into the machine barrel 21, and standing for 2.5-3 hours to cure the epoxy resin 4;
step four: performing third pouring, performing third vacuum treatment on the inside of the machine barrel 21, heating the third new epoxy resin 4 to 140-160 ℃ for 1-2 hours, melting the epoxy resin 4, injecting the melted epoxy resin into the machine barrel 21, and standing for 3.5-4.5 hours to solidify the epoxy resin 4;
step five: the lower bearing block 23 is installed to one end of the cylinder 21 below the capacitor 5, and a bottom cover is covered to seal and fix the cylinder 21.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (1)
1. The utility model provides a deep-well pump production technology with high-efficient waterproof motor, characterized by, the deep-well pump includes the pump body (1), sets up in motor (2) of pump body (1) below, motor (2) are equipped with bolster bearing housing (22), bolster bearing housing (23) respectively at the both ends of barrel (21), be equipped with rotor (24) and stator coil (25) in barrel (21), output shaft (26) are worn to be equipped with in the middle part of rotor (24), in bolster bearing housing (23) are worn to one end of output shaft (26), and the other end passes bolster bearing housing (22) and connects in pump body (1), characterized by: the outer side wall of the rotor (24) is sleeved with a shielding sleeve (3), two ends of the shielding sleeve (3) are respectively and fixedly connected to an upper bearing seat (22) and a lower bearing seat (23), epoxy resin (4) is poured between the shielding sleeve (3) and the stator coil (25), and the epoxy resin (4) is wrapped outside the stator coil (25) between the upper bearing seat (22) and the lower bearing seat (23); a capacitor (5) is arranged in the machine barrel (21), the capacitor (5) is sleeved on the outer side of the shielding sleeve (3) and is close to the lower bearing seat (23), and the epoxy resin (4) is wrapped on the outer side of the capacitor (5); the capacitor (5) comprises a shell (51), a pouring hole (6) is formed in the side wall of the shell (51) in a penetrating mode, and the pouring hole (6) is communicated with the stator coil (25);
the method also comprises the following process steps:
step one: firstly, a stator coil (25) is arranged in a machine barrel (21), an upper bearing seat (22) is arranged at the end part of the machine barrel (21), a shielding sleeve (3) is arranged in the machine barrel (21) to enable the shielding sleeve (3) to be attached to the stator coil (25), then a rotor (24) is arranged in the shielding sleeve (3) to enable an output shaft (26) to protrude out of the end part of the upper bearing seat (22), and then a capacitor (5) is sleeved outside the shielding sleeve (3) at the bottom of the machine barrel (21);
step two: the stator coil (25) is poured with epoxy resin (4) for three times through a pouring hole (6), the interior of a machine barrel (21) is firstly subjected to vacuum treatment for the first time, then the epoxy resin (4) needing to be filled for the first time is heated to 70-80 ℃ for 15-25 minutes, after the epoxy resin (4) is softened, the epoxy resin is injected into the machine barrel (21), and then the epoxy resin is kept stand for 1-1.5 hours to solidify the epoxy resin (4);
step three: then carrying out a second vacuum treatment on the inside of the machine barrel (21), heating the second new epoxy resin (4) to 100-120 ℃ for 40-60 minutes, injecting the epoxy resin (4) into the machine barrel (21) after further softening, and standing for 2.5-3 hours to solidify the epoxy resin (4);
step four: then, carrying out third vacuum treatment on the inside of the machine barrel (21), heating the third new epoxy resin (4) to 140-160 ℃ for 1-2 hours, melting the epoxy resin (4) and injecting the melted epoxy resin into the machine barrel (21), and standing for 3.5-4.5 hours to solidify the epoxy resin (4);
step five: the lower bearing seat (23) is arranged below the capacitor (5), and then the bottom cover is covered to seal and fix the machine barrel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415862.9A CN108799146B (en) | 2018-05-03 | 2018-05-03 | Deep well pump with efficient waterproof motor and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415862.9A CN108799146B (en) | 2018-05-03 | 2018-05-03 | Deep well pump with efficient waterproof motor and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108799146A CN108799146A (en) | 2018-11-13 |
| CN108799146B true CN108799146B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810415862.9A Active CN108799146B (en) | 2018-05-03 | 2018-05-03 | Deep well pump with efficient waterproof motor and production process thereof |
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| CN (1) | CN108799146B (en) |
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| JPH08148959A (en) * | 1994-11-24 | 1996-06-07 | Tdk Corp | Noise filter |
| CN1305257A (en) * | 2001-01-18 | 2001-07-25 | 合肥工业大学 | Plastic capsulation submerged motor and its capsulation material and technology |
| CN201830065U (en) * | 2010-09-10 | 2011-05-11 | 许敬崇 | Shielded motor of submersible pump |
| CN202871582U (en) * | 2012-10-23 | 2013-04-10 | 佛山市顺德区讯德电子电器有限公司 | Film capacitor for deep-well pump motor and deep-well pump motor with built-in film capacitor |
| CN104467322A (en) * | 2013-09-17 | 2015-03-25 | 山东欧瑞安电气有限公司 | Epoxy resin cast process of motor stator winding |
| CN205751876U (en) * | 2016-05-20 | 2016-11-30 | 盐城市康威电子有限公司 | A kind of alternating current motor working capacitor |
| CN207145263U (en) * | 2017-08-31 | 2018-03-27 | 浙江隆典新能源科技有限公司 | A kind of protected type deep well pump pump housing |
| CN208474148U (en) * | 2018-05-03 | 2019-02-05 | 台州市日达泵业有限公司 | A kind of deep well pump with high-effective water-proof motor |
-
2018
- 2018-05-03 CN CN201810415862.9A patent/CN108799146B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08148959A (en) * | 1994-11-24 | 1996-06-07 | Tdk Corp | Noise filter |
| CN1305257A (en) * | 2001-01-18 | 2001-07-25 | 合肥工业大学 | Plastic capsulation submerged motor and its capsulation material and technology |
| CN201830065U (en) * | 2010-09-10 | 2011-05-11 | 许敬崇 | Shielded motor of submersible pump |
| CN202871582U (en) * | 2012-10-23 | 2013-04-10 | 佛山市顺德区讯德电子电器有限公司 | Film capacitor for deep-well pump motor and deep-well pump motor with built-in film capacitor |
| CN104467322A (en) * | 2013-09-17 | 2015-03-25 | 山东欧瑞安电气有限公司 | Epoxy resin cast process of motor stator winding |
| CN205751876U (en) * | 2016-05-20 | 2016-11-30 | 盐城市康威电子有限公司 | A kind of alternating current motor working capacitor |
| CN207145263U (en) * | 2017-08-31 | 2018-03-27 | 浙江隆典新能源科技有限公司 | A kind of protected type deep well pump pump housing |
| CN208474148U (en) * | 2018-05-03 | 2019-02-05 | 台州市日达泵业有限公司 | A kind of deep well pump with high-effective water-proof motor |
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|---|---|
| CN108799146A (en) | 2018-11-13 |
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