CN110285074A - The rotor part of reliable immersible pump - Google Patents
The rotor part of reliable immersible pump Download PDFInfo
- Publication number
- CN110285074A CN110285074A CN201910570530.2A CN201910570530A CN110285074A CN 110285074 A CN110285074 A CN 110285074A CN 201910570530 A CN201910570530 A CN 201910570530A CN 110285074 A CN110285074 A CN 110285074A
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- Prior art keywords
- motor
- cooling
- level
- inlet segment
- rotor part
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 64
- 239000004576 sand Substances 0.000 claims abstract description 62
- 230000001050 lubricating effect Effects 0.000 claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 50
- 238000007789 sealing Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005461 lubrication Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 239000005068 cooling lubricant Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication 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
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of rotor part of reliable immersible pump, including end cap, cylinder, motor, motor extension shaft, level-one sand throwing lid, impeller, blade wheel chamber and inlet segment for being connect with baffle, motor is set to below inlet segment, reduce the vibration of pump operation, noise, inlet segment, cylinder, cooling and lubricating chamber is formed between end cap, pressure regulating cavity is formed between blade wheel chamber and inlet segment, and be equipped with respectively with cooling and lubricating chamber, pressure regulating cavity, the cooling hole of bearing connection, regulator hole and flushing hole, rotor part can be made to realize cooling and lubricating, it rinses and impeller clearance adjusts, level-one sand throwing lid be located at cooling and lubricating it is intracavitary and be set between inlet segment and motor, and it is compressed by the axle sleeve of inlet segment and the cooperation of motor extension shaft, residual axial force balance can be achieved to the effect of level-one sand throwing lid in the external medium being filled with by cooling and lubricating chamber, mitigate electricity The stress of machine bearing and rotor part improves the service life of motor bearings and rotor part.
Description
Technical field
The present invention relates to diving pump technical fields, more particularly to a kind of rotor part of reliable immersible pump.
Background technique
Immersible pump is widely applied universal machine, as large flowrate low head pump, is had in market of sewage treatment larger
Demand.
Motor is arranged in lifting pipe the immersible pump of the prior art, and motor is located at the top of inlet segment, pumps medium flow field
Through motor, and using cooling or casing internal circulation cooling mechanism outside motor case.Medium directly surrounds motor flowing,
Cause the medium containing the impurity such as a large amount of silts or hard particles very big to the abrasion of motor case, motor is easily damaged；Together
When because the volume of motor it is big, in lifting pipe or pit shaft to pump medium formed blocking, make media flow generate whirlpool, to make
Hydraulic efficiency at submerged pump system device is low, keeps the operational efficiency of pumping system device low, therefore makes the fortune of pumping system device
Energy consumption is high for row, not energy-efficient, uses operating cost height.And filter medium clogging and whirlpool can be such that water pump vibrates, and cause the fortune of pump
Row vibration is big, noise is big.The cable of motor is directly placed in lifting pipe simultaneously, and the silt or high-temperature medium in medium are easy
The abrasion or aging rupture for causing cable, occur leakage risk, abnormally dangerous, safety coefficient is low.
Currently, water pump operation generate axial force balanced by opening up balance hole on impeller, but when axial force compared with
Greatly, when balance hole is unable to complete equipilibrium, residual axial force acts on rotor part, makes motor bearings and rotor part stress, shadow
The work of rotor part is rung, motor bearings is damaged, influences the service life of motor bearings.
Summary of the invention
Place in view of the deficiency of the prior art, the object of the present invention is to provide a kind of rotors of reliable immersible pump
Component can balance the residual axial force of pump operation generation, improve the service life of motor bearings, and can carry out to rotor part cold
But it lubricates.
In order to solve the above technical problems, the rotor part of reliable immersible pump provided by the invention, including end cap, cylinder,
Motor, motor extension shaft, level-one sand throwing lid, impeller, blade wheel chamber and the inlet segment for being connect with baffle, the inlet segment,
The cylinder, the end cap are from top to bottom sequentially connected, and cooling is formed between the inlet segment, the cylinder and the end cap
Lubricating cavity, the end cap are equipped with the cooling hole and outlet hole being connected to the cooling and lubricating chamber, and the motor is connected to described
In cylinder, the upper and lower ends of the motor extension shaft are separately connected the impeller, the motor, the inlet segment by bearing and
Axle sleeve and the motor extension shaft cooperate, and the impeller is located at the top of the inlet segment, and the blade wheel chamber is set to the impeller
Between the inlet segment；
The level-one sand throwing lid is sleeved on the motor extension shaft, and the motor extension shaft is equipped with to be thrown with the level-one
The shaft shoulder of sand lid cooperation, the level-one sand throwing lid is between the axle sleeve and motor, and the axle sleeve is by the level-one sand throwing lid
It compresses.
Preferably, the intracavitary pressure detecting that is equipped with of the cooling and lubricating is popped one's head in.
It preferably, further include the second level sand throwing lid being sleeved on the motor extension shaft, the motor extension shaft
It is equipped with the shaft shoulder cooperated with the second level sand throwing lid, the second level sand throwing lid is located at the above axle sleeve, the second level sand throwing
The top of lid is equipped with round nut.
Preferably, the section of the level-one sand throwing lid and the second level sand throwing lid is trapezoidal, and the second level is thrown
The bottom side of sand lid is equipped with pressure tank.
Preferably, the upper and lower part of the motor is connected separately with temperature measuring probe.
Preferably, the inlet segment is equipped with the flushing hole being connected to the bearing.
Preferably, the inlet segment is equipped with the annular groove being connected to the flushing hole, the inside of the bearing
Equipped with lubrication groove, the bearing is equipped with inlet opening, the flushing hole, the annular groove, the inlet opening and the lubrication groove
It is sequentially communicated.
Preferably, the inlet opening is arranged obliquely on the bearing, and the opening direction of the inlet opening
The radial direction of projection and the bearing on the section of the bearing forms an angle.
It preferably, further include the mechanical seal being connected on the motor extension shaft and machine capping, the motor
On be connected with motor cover, the machine capping is located at the lower section of the level-one sand throwing lid, and the machine capping is connected to the motor cover
Upside form the machine sealing chamber of sealing, the mechanical seal is located in the machine sealing chamber, and the bottom of the machine sealing chamber is equipped with leak
Detection probe, pressure detecting probe and temperature measuring probe.
Preferably, form pressure regulating cavity between the blade wheel chamber and the inlet segment, the inlet segment be equipped with
The regulator hole that the pressure regulating cavity communicates.
Beneficial effects of the present invention are as follows:
1, the present invention, which passes through, forms cooling and lubricating chamber, motor between the inlet segment, cylinder, end cap from top to bottom set gradually
It is arranged in cylinder, motor is arranged in the lower section of inlet segment, is not located in lifting pipe, the outer diameter of lifting pipe can be reduced,
Motor is avoided to cause to pump medium generation blocking and whirlpool, to guarantee the stability for pumping media flow in pump chamber and lifting pipe
And fluency；It can be filled with cooling-lubricant to cooling and lubricating chamber by the cooling hole on end cap, cooling profit is carried out to rotor part
It slides and cooling and lubricating chamber is cleaned；When rotor part is by residual axial force, filled by cooling hole to cooling and lubricating chamber
Enter the cooling-lubricant of pressurization, the cooling-lubricant of pressurization flows out in inlet segment by level-one sand throwing lid from bearing, pressurization
Cooling-lubricant to level-one sand throwing lid have it is upward lift power, can the residual axial force of ballast pump at runtime, mitigate motor
The stress of bearing and rotor part improves the service life of motor bearings and rotor part；In addition, cooling and lubricating is intracavitary full of Jie
Matter, the gravity of medium ensure the pump group verticality of water pump, and the operation for reducing water pump is swung, and solving pump in the prior art makes
Vibration, noise hang-up when with operation, improve the property safe and reliable to operation of pump, extend the service life of pump.
2, the present invention pops one's head in the intracavitary pressure detecting that is provided with of cooling and lubricating, for monitoring the intracavitary pressure of cooling and lubricating,
Convenient for carrying out residual axial force balance in time and grasping the pressure for the cooling-lubricant being filled with.The present invention is also provided with second level sand throwing
Lid when the cooling-lubricant of pressurization is flowed out through cooling and lubricating chamber from bearing, can pass through second level sand throwing lid, the cooling-lubricant of pressurization
There is upward power of lifting to sand throwing lid, further balanced residue axial force improves balance efficiency.The top of motor, middle part, under
Portion be arranged temperature measuring probe, convenient for monitor rotor part temperature, cool in time with it is out of service, guarantee pump safety
Operation, improves the service life of rotor part.Inlet segment connection flushing hole, flushing pipe can be connected and be filled with flushing liquor, to bearing,
Axle sleeve is rinsed, and the accumulation silt in the medium occurred due to the medium generated after shutting down is instantaneously flow backwards is effectively gone out, really
Protect the clean cleaning at axle sleeve and bearing.Mechanical seal is set under level-one sand throwing lid, can reduce damage of the medium to mechanical seal,
Leak water detdction probe and pressure detecting probe can monitor the service condition of mechanical seal, replace convenient for on-call maintenance, guarantee pump
Safe operation, temperature measuring probe can be filled in time cooling-lubricant and cool down to mechanical seal.Between impeller and blade wheel chamber
There are gaps, and with the use of pump, gap is gradually increased, and will affect the performance parameters such as flow, the lift of water pump, and the present invention passes through
Pressure regulating cavity is set between blade wheel chamber and inlet segment, the extraneous medium of pressurization is filled with by regulator hole, makes blade wheel chamber toward impeller
Direction is mobile, adjusts gap.
Detailed description of the invention
Fig. 1 is the schematic diagram of the rotor part of embodiment.
Fig. 2 is the enlarged drawing at Figure 1A.
Fig. 3 is the end cap schematic diagram of embodiment.
Fig. 4 is the impeller schematic diagram of embodiment.
Fig. 5 is the inlet segment schematic diagram of embodiment.
Fig. 6 is the cylinder schematic diagram of embodiment.
Fig. 7 is the motor schematic diagram of embodiment.
Fig. 8 is blade wheel chamber's schematic diagram of embodiment.
Fig. 9 is the sliding bearing schematic diagram of embodiment.
Appended drawing reference is as follows；
In Fig. 1:
In Fig. 1: 1- end cap, 2- screw, 3- 〇 type circle, 4- motor, 5- cylinder, 6- cooling and lubricating chamber, 7- temperature detection are visited
Head, 8- pressure detecting probe, 9- screw, 10- 〇 type circle, 11- inlet segment, 12- pressure detecting probe, 13- screw, 14- motor
Lid, 15- 〇 type circle, 16- 〇 type circle, 17- pressure regulating cavity, 18- blade wheel chamber, 19- impeller, 20- screw, the gap 21-, 22- leak inspection
Probing head, 23- temperature measuring probe, 24- temperature measuring probe, the second conduit of 25-, 26- screw, 27- sealing ring, 28- are close
Capping, 29- cooling tube, 30- screw, 31- sealing ring, the first conduit of 32-, 33- sealing cover, 34- screw, 35- 〇 type circle,
36- temperature measuring probe；
In Fig. 2: 37- machine sealing chamber, 38- mechanical seal, 39- 〇 type circle, 40- screw, 41- liquid filling hole, 42- plug, 43- machine
Capping, 44- screw, 45- second level sand throwing lid, 46- motor extension shaft, 47- flat key, 48- round nut, 49- pressure tank, 50- axis
It holds, 51- lubrication groove, 52- axle sleeve, 53- level-one sand throwing lid；
In Fig. 3: 54- 〇 type ring recess, 55- outlet hole, 56- cooling hole, 57- detection string holes, 58- screw hole, 59- seam allowance,
60- seam allowance,
In Fig. 4: 61- choma, 62- slot cover, 63- screw hole, 64- balance hole, 65- screw hole,
In Fig. 5: 66- regulator hole, 67- flushing hole, 68- fuisw rib, 69- bearing position, 70- 〇 type circle position, 88- annular groove,
In Fig. 6: 71- probe interface, 72- probe interface, 73- supporting rib, 74- positioning ring, 75- 〇 type circle position,
In Fig. 7: 76- thread, 77- thread, 78- keyway, 79- probe interface, 80- probe interface, 81- probe interface, 82-
Foot prop, 83- seam allowance, 87- positioning surface,
In Fig. 8: 84- 〇 type ring recess, 85- pin hole, 86- 〇 type ring recess,
In Fig. 9: 51- lubrication groove, 89- flushing hole, 90- angle, 91- rotation angle, 92- transition arc.
Specific embodiment
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 to Fig. 9, the rotor part of the present embodiment includes end cap 1, cylinder 5, motor 4, motor extension shaft 46, one
Grade sand throwing lid 53, impeller 19, blade wheel chamber 18 and the inlet segment 11 for connecting with baffle, inlet segment 11 and cylinder 5 connect respectively
Connect in the two sides up and down of end cap 1, and between inlet segment 11, cylinder 6 and end cap 1 formed cooling and lubricating chamber 6, end cap 1 be equipped with
The cooling hole 56 and outlet hole 55 that cooling and lubricating chamber 6 is connected to, motor 4 are connected in cylinder 5, the upper and lower ends of motor extension shaft 46
It is separately connected impeller 19, motor 4, inlet segment 11 is cooperated by bearing 50 and axle sleeve 53 and motor extension shaft 46, and impeller 19 is located at
The top of inlet segment 11, blade wheel chamber 18 are set between impeller 19 and inlet segment 11；Level-one sand throwing lid 53 is sleeved on motor extension shaft
On 46, motor extension shaft 46 is equipped with the shaft shoulder cooperated with level-one sand throwing lid 53, and level-one sand throwing lid 53 is located at axle sleeve 53 and motor 4
Between, axle sleeve 53 compresses level-one sand throwing lid 53.The present embodiment passes through the inlet segment 11 from top to bottom set gradually, cylinder 5, end
Cooling and lubricating chamber 6 is formed between lid 1, motor 4 is arranged in cylinder 5, motor 4 is arranged in the lower section of inlet segment 11, is not set
It sets in lifting pipe, the outer diameter of lifting pipe can be reduced, avoid motor from causing to pump medium generation blocking and whirlpool, to guarantee to pump
The stability and fluency of media flow are pumped in chamber and lifting pipe；It can be to cooling and lubricating chamber 6 by the cooling hole 56 on end cap 1
It is filled with cooling-lubricant, cooling and lubricating is carried out to rotor part, and before pump startup, the cooling-lubricant being filled with can be by cooling
Original medium is gone out in lubricating cavity 6, is cleaned cooling and lubricating chamber, is guaranteed the individual flow of cooling-lubricant；When rotor part by
When to residual axial force, the cooling-lubricant of pressurization, the cooling-lubricant of pressurization are filled with to cooling and lubricating chamber 6 by cooling hole 56
Flowed out in inlet segment 11 by level-one sand throwing lid 53 from bearing 50, the cooling-lubricant of pressurization to level-one sand throwing lid 53 have to
On lift power, can the residual axial force of ballast pump at runtime, mitigate motor bearings and rotor part stress, improve motor
The service life of bearing and rotor part；In addition, being full of medium in cooling and lubricating chamber 6, the gravity of medium ensures the pump of water pump
Group verticality, the operation for reducing water pump are swung, and are solved and are pumped in the prior art using vibration when running, noise hang-up,
The property safe and reliable to operation for improving pump extends the service life of pump.
Fig. 1 is participated in, the inlet segment 11 of the present embodiment connect by screw 9 with cylinder 5 and is equipped with therebetween O-ring 10,
The downside of inlet segment 11 is equipped with the O-ring position 70 for placing O-ring 10, is additionally provided in inlet segment 11 for keeping stabilization of fluidized
Fuisw rib 68.End cap 1 connect by screw 2 with cylinder 5 and is equipped with therebetween O-ring 3, and the bottom side of cylinder 5, which is equipped with, places O
The O-ring position 75 of type circle 3, end cap 1 are equipped with the seam allowance 59 cooperated with cylinder 5.Cooling hole 56 connects cooling tube 29, rotor part
Clean cooling-lubricant is filled with to cooling and lubricating chamber 6 by cooling tube 29.Outlet hole 55 connects the first conduit 32, motor 4
Cable the water surface is stretched out by the first conduit 32, the first conduit 32 is connected to end cap 1 by sealing cover 33 and screw 30
On, sealing ring 31 is equipped between the first conduit 32 and sealing cover 33.Referring to fig. 2, Fig. 4 and Fig. 7, the impeller 19 of the present embodiment with
Motor extension shaft 46 is connected through a screw thread, and the upper end of motor extension shaft 46 is equipped with thread 76, and impeller 19 is equipped with screw hole 65, and
Impeller 19 is further fixed with motor extension shaft 46 by screw 20, and impeller 19 is equipped with screw hole 63.Referring to fig. 2, Fig. 5 and Fig. 7,
Inlet segment 11 is equipped with the bearing position 69 installed for bearing 50, and bearing 50 is also fixed with inlet segment 11 by screw 44, axle sleeve
52 are connect by flat key 47 with motor extension shaft 46, and motor extension shaft 46 is equipped with the keyway 78 for placing flat key 47, this reality
The bearing 50 for applying example is sliding bearing.Referring to Fig. 1, Fig. 6 and Fig. 7, the top of motor 4 is equipped with positioning surface 87, and the top of cylinder 5 is set
There is supporting rib 73, the inside of supporting rib 73 is equipped with positioning ring 74, by the cooperation of positioning surface 87 and positioning ring 87, keeps motor 4 fixed
Position is in cylinder 5.Referring to Fig. 1, Fig. 3 and Fig. 7, the top of the motor 4 of the present embodiment is equipped with foot prop 82, and foot prop 82 and end cap 1 are logical
The connection of screw 34 is crossed, end cap 1 is equipped with screw hole 58, is equipped with the O-ring slot 54 for placing O-ring 35, foot prop 82 in screw hole 58
It is equipped with seam allowance 83, end cap 1 is equipped with the seam allowance 60 cooperated with seam allowance 83, connect motor 4 with end cap 1, allow motor 4 in cooling
Location and installation and installation is firm in lubricating cavity 6.Referring to Fig. 1 and Fig. 4, the upside of impeller 19 is equipped with the slot cover cooperated with diffuser
62, it is additionally provided with the balance hole 64 of connection slot cover 62 and inlet segment 11 on impeller 19, is additionally provided with and is used for and diffuser outside impeller 19
The choma 61 of cooperation.
Further, pressure detecting probe 8 is equipped in cooling and lubricating chamber 6, for monitoring the pressure in cooling and lubricating chamber 6,
Convenient for carrying out residual axial force balance in time and grasping the pressure for the cooling-lubricant being filled with, in addition cooling and lubricating chamber 6 is additionally provided with
Temperature measuring probe 7 is cooled down in time for monitoring the temperature of the cooling-lubricant in cooling and lubricating chamber 6.Referring to Fig. 6, cylinder
Body 5 is equipped with the probe interface 72 of installation pressure detecting probe 8, installs the probe interface 71 of temperature measuring probe 7.
In addition, referring to fig. 2, the rotor part of the present embodiment further includes the second level sand throwing lid being sleeved on motor extension shaft 46
45, motor extension shaft 46 is equipped with the shaft shoulder cooperated with second level sand throwing lid 45, and second level sand throwing lid 45 is located at 52 top of axle sleeve, second level
The top of sand throwing lid 45 is equipped with round nut 48, and referring to Fig. 7, motor extension shaft 46 is equipped with the thread connected for round nut 48
77.When the cooling-lubricant of pressurization is flowed out through cooling and lubricating chamber 6 from bearing 50, second level sand throwing lid 45, the cooling of pressurization can be passed through
Lubricating fluid has upward power of lifting to second level sand throwing lid 45, and further balanced residue axial force improves balance efficiency.This implementation
Example level-one sand throwing lid 53 and second level sand throwing lid 45 section be it is trapezoidal, when cooling-lubricant being made to impact sand throwing lid from the bottom to top
With biggish forced area, the stress of sand throwing lid is improved, the bottom side of second level sand throwing lid 45 is equipped with pressure tank 49, further increases
The stress of second level sand throwing lid 45, and then reinforce the effect of pressurization cooling-lubricant balanced residue axial force.
Referring to Fig. 1 and Fig. 7, the top of the motor 4 of the present embodiment is connected with temperature measuring probe 23, and the lower part of motor 4 connects
It is connected to temperature measuring probe 24, probe interface 79, the temperature measuring probe for placing temperature measuring probe 23 are respectively equipped on motor 4
24 probe interface 81.Temperature measuring probe 23 and temperature measuring probe 24 can monitor the temperature conditions of the bearing in motor 4, when
When the temperature is excessively high, cooling-lubricant can be filled with to cooling and lubricating chamber 6 in time to be cooled down, guarantee the safe operation of pump, avoid electricity
Machine bearing is crossing hot operation, improves the service life of motor bearings.End cap 1, which is equipped with, is used for temperature measuring probe 23 and temperature
The detection string holes 57 that the line of detection probe 24 passes through, detection string holes 56 connect the second conduit 25, and the second conduit 25 passes through
Sealing cover 28 and screw 26 are connected on end cap 1, and sealing ring 27 is equipped between the second conduit 25 and sealing cover 28.
Fig. 2, Fig. 5 and Fig. 9 are participated in, inlet segment 11 is equipped with the flushing hole 67 being connected to bearing 50.The water inlet of the present embodiment
Section 11 is equipped with the annular groove 88 being connected to flushing hole 67, and the inside of bearing 50 is equipped with lubrication groove 51, and bearing 50 is equipped with feed liquor
Hole 89, flushing hole 67, annular groove 88, inlet opening 89 and lubrication groove 88 are sequentially communicated, and flushing pipe can be connected in flushing hole 67, punching
Washing lotion enters inside bearing 50 through flushing hole 67, annular groove 88, inlet opening 89, can bearing 50 is lubricated and be rinsed, and
And axle sleeve 52 and second level sand throwing lid 45 can also be rinsed, it will be in the medium occurred due to the medium generated after shutting down is instantaneously flow backwards
Accumulation silt is effectively gone out, it is ensured that the clean cleaning at bearing 50, axle sleeve 52 and second level sand throwing lid 45.In the present embodiment, into
Fluid apertures 89 is arranged obliquely on bearing 50, and projection of the opening direction of inlet opening 89 on the section of bearing 50 and bearing 50
Radial direction form an angle, so that flushing liquor Castor Oil is flushed to the corner of bearing 50, avoid the counteracting that liquidates.Lubrication groove 88 and feed liquor
The quantity in hole 89 is corresponding, and lubrication groove 88 and inlet opening 89 are circumferential on bearing 50, are uniformly arranged, and lubrication groove 88 and inlet opening 89 can
Respectively 4~N number of, the present embodiment is provided with 6 lubrication groove 88 and 6 inlet openings 89.The inlet opening 89 of the present embodiment is in bearing
The radial angle 90 of projection on 50 axial cross section and bearing 50 is 0 °~30 °, and inlet opening 89 is in opposite bearing 50 along axis
One angle of body skew, the inlet opening 89 of the present embodiment forward rotate, and rotation angle 91 is 0 °~60 °.Inlet opening 89 is in bearing
It both can be in setting clockwise or in setting counterclockwise on 50.The both ends of inlet opening 89 are additionally provided with transition arc 91, are conducive to rush
Washing lotion flowing is smooth.
Referring to Fig. 1 and Fig. 2, rotor part further includes the mechanical seal 38 being connected on motor extension shaft 46 and machine capping
43, motor cover 14 is connected on motor 4, machine capping 43 is located at the lower sections of level-one sand throwing lid 53, and machine capping 43 is located at motor cover 14
Top, machine capping 43 forms the machine sealing chambers 37 of sealing with motor cover 14, and mechanical seal 38 is located in machine sealing chamber 37, machine sealing chamber 37
Bottom be equipped with leak water detdction probe 22, pressure detecting probe 12 and temperature measuring probe 36.The motor cover 14 of the present embodiment is logical
The upside that screw 13 is connected to motor 4 is crossed, machine capping 43 is connected to the upside of motor cover 14 and is set therebetween by screw 40
There is O-ring 39, motor cover 14 is equipped with the probe interface 80 for connecting temperature measuring probe 36.Machine capping 43 is equipped with liquid feeding
The lubricating oil of mechanical seal 38 is poured into hole 41 from liquid filling hole 41 to machine sealing chamber 37, and then plug 42 seals.Mechanical seal 38 is set to
Under level-one sand throwing lid 53, damage of the medium to mechanical seal 38 can be reduced.After long-play use, mechanical seal 38 can be old
Change or damage, the cooling-lubricant in medium or cooling and lubricating chamber 6 that pumping is sent can be mixed into machine sealing chamber 37 and machine envelope lubricating fluid
It closes, the density due to pumping medium or cooling-lubricant is greater than machine and seals lubricating fluid, and pumping medium or cooling-lubricant can be deposited on
The bottom of machine sealing chamber 37, leak water detdction probe 22 detects that signal, water pump can continue to run use, when leaking medium reaches one
When quantitative, when pressure detecting probe 12 detects that pressure value reaches setting value, water pump is out of service, repairs replacement, guarantees
The safe operation of pump.Temperature measuring probe 36 can be filled with cooling-lubricant in time and cool down to mechanical seal 38.Leak water detdction
The line of probe 22, pressure detecting probe 12 and temperature measuring probe 36 is stretched by the second conduit 25 that detection string holes 56 connects
The water surface out.
Referring to Fig. 1, Fig. 5 and Fig. 8, form pressure regulating cavity 17 between blade wheel chamber 18 and inlet segment 11, inlet segment 11 be equipped with
The regulator hole 66 that pressure regulating cavity 17 communicates.O-ring 15 is equipped between the blade wheel chamber 18 and inlet segment 11 of the present embodiment, blade wheel chamber 18
Downside is equipped with the O-ring slot 86 for placing O-ring 15, and it is O-shaped for cooperating with diffuser that the downside of blade wheel chamber 18 is additionally provided with placement
The O-ring slot 84 and pin hole 85 of circle 16.There are gaps 21 between impeller 19 and blade wheel chamber 18, with the use of pump, gap 21
It is gradually increased, will affect the performance parameters such as flow, the lift of water pump, the present embodiment is by between blade wheel chamber 18 and inlet segment 11
Pressure regulating cavity 17 is set, the extraneous medium of pressurization is filled with by regulator hole 66, keeps blade wheel chamber 18 mobile toward the direction of impeller 19, adjustment
Gap 21.
To sum up, the rotor part of the present embodiment is from top to bottom set gradually inlet segment 11, cylinder 5 are formed between end cap 1
Cooling and lubricating chamber 6, motor 4 are arranged in cylinder 5, and inlet segment 11 is cooperated by bearing 50 and axle sleeve 53 and motor extension shaft 46,
Level-one sand throwing lid 53 is equipped between axle sleeve 53 and motor 4；Motor 4 is arranged in the lower section of inlet segment 11, is not located at and raises
In water pipe, the outer diameter of lifting pipe can be reduced, avoids motor from causing to pump medium generation blocking and whirlpool, to guarantee pump chamber and raise
The stability and fluency of media flow are pumped in water pipe；It can be filled with to cooling and lubricating chamber 6 by the cooling hole 56 on end cap 1 cold
But lubricating fluid carries out cooling and lubricating to rotor part, and before pump startup, the cooling-lubricant being filled with can be by cooling and lubricating chamber
Original medium is gone out in 6, is cleaned cooling and lubricating chamber, is guaranteed the individual flow of cooling-lubricant；When rotor part is by remnants
When axial force, the cooling-lubricant of pressurization is filled with to cooling and lubricating chamber 6 by cooling hole 56, the cooling-lubricant of pressurization passes through one
Grade sand throwing lid 53 flows out in inlet segment 11 from bearing 50, and the cooling-lubricant of pressurization has upward lift to level-one sand throwing lid 53
Rise power, can the residual axial force of ballast pump at runtime, mitigate motor bearings and rotor part stress, improve motor bearings and
The service life of rotor part；In addition, being full of medium in cooling and lubricating chamber 6, the gravity of medium ensures that the pump group of water pump is vertical
Degree, the operation for reducing water pump are swung, and are solved pump in the prior art and are improved using vibration when running, noise hang-up
The property safe and reliable to operation of pump extends the service life of pump.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. the rotor part of reliable immersible pump, which is characterized in that thrown including end cap, cylinder, motor, motor extension shaft, level-one
Husky lid, impeller, blade wheel chamber and the inlet segment for being connect with baffle, the inlet segment, the cylinder, the end cap by up to
Under be sequentially connected, and between the inlet segment, the cylinder and the end cap formed cooling and lubricating chamber, the end cap be equipped with
The cooling hole and outlet hole of the cooling and lubricating chamber connection, the motor are connected in the cylinder, the motor extension shaft
Upper and lower ends are separately connected the impeller, the motor, and the inlet segment is matched by bearing and axle sleeve with the motor extension shaft
It closes, the impeller is located at the top of the inlet segment, and the blade wheel chamber is set between the impeller and the inlet segment；
The level-one sand throwing lid is sleeved on the motor extension shaft, and the motor extension shaft is equipped with and the level-one sand throwing lid
The shaft shoulder of cooperation, for the level-one sand throwing lid between the axle sleeve and motor, the axle sleeve compresses the level-one sand throwing lid.
2. the rotor part of reliable immersible pump according to claim 1, which is characterized in that the cooling and lubricating is intracavitary to be set
There is pressure detecting probe.
3. the rotor part of reliable immersible pump according to claim 1, which is characterized in that further include being sleeved on the electricity
Second level sand throwing lid on machine extension shaft, the motor extension shaft are equipped with the shaft shoulder that cooperates with the second level sand throwing lid, and described two
Grade sand throwing lid is located at the above axle sleeve, and the top of the second level sand throwing lid is equipped with round nut.
4. the rotor part of reliable immersible pump according to claim 1, which is characterized in that the level-one sand throwing lid and institute
State the section of second level sand throwing lid be it is trapezoidal, the bottom side of the second level sand throwing lid is equipped with pressure tank.
5. the rotor part of reliable immersible pump according to claim 1, which is characterized in that the top of the motor is under
Portion is connected separately with temperature measuring probe.
6. the rotor part of reliable immersible pump according to claim 1, which is characterized in that the inlet segment be equipped with
The flushing hole of the bearing connection.
7. the rotor part of reliable immersible pump according to claim 6, which is characterized in that the inlet segment be equipped with
The annular groove of the flushing hole connection, the inside of the bearing are equipped with lubrication groove, and the bearing is equipped with inlet opening, the flushing
Hole, the annular groove, the inlet opening and the lubrication groove are sequentially communicated.
8. the rotor part of reliable immersible pump according to claim 7, which is characterized in that the inlet opening is in the axis
It holds and is arranged obliquely, and projection and the radial direction of the bearing of the opening direction of the inlet opening on the section of the bearing
It forms an angle.
9. the rotor part of reliable immersible pump according to claim 1, which is characterized in that further include being connected to the electricity
Mechanical seal and machine on machine extension shaft cover, and motor cover is connected on the motor, and the machine capping is located at the level-one and throws
The lower section of sand lid, the upside that the machine capping is connected to the motor cover form the machine sealing chamber of sealing, and the mechanical seal is located at
In the machine sealing chamber, the bottom of the machine sealing chamber is equipped with leak water detdction probe, pressure detecting probe and temperature measuring probe.
10. the rotor part of reliable immersible pump according to claim 1, which is characterized in that the blade wheel chamber with it is described
Pressure regulating cavity is formed between inlet segment, the inlet segment is equipped with regulator hole communicated with the pressure regulating chamber.
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| CN201910570530.2A CN110285074B (en) | 2019-06-27 | 2019-06-27 | Rotor component of reliable submersible pump |
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| CN110285074B CN110285074B (en) | 2024-06-07 |
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| US6309174B1 (en) * | 1997-02-28 | 2001-10-30 | Fluid Equipment Development Company, Llc | Thrust bearing for multistage centrifugal pumps |
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| CN110285074B (en) | 2024-06-07 |
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