CN220956077U - Long-shaft pump motor and pump shaft connection structure - Google Patents
Long-shaft pump motor and pump shaft connection structure Download PDFInfo
- Publication number
- CN220956077U CN220956077U CN202322447042.7U CN202322447042U CN220956077U CN 220956077 U CN220956077 U CN 220956077U CN 202322447042 U CN202322447042 U CN 202322447042U CN 220956077 U CN220956077 U CN 220956077U
- Authority
- CN
- China
- Prior art keywords
- motor
- pump shaft
- pump
- lengthened
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a major axis pump motor and pump shaft connection structure, includes the water return bend, and water return bend top is provided with supporting platform, installs the bearing box in the middle of the supporting platform, installs the motor support in the outside, be provided with thrust disk in the bearing box, be provided with the bearing between thrust disk outside and the bearing box, wear to be equipped with the pump shaft in the thrust disk, the thrust disk is stretched out to the pump shaft upper end, install the motor on the motor support, the shaft extension of motor passes the motor support and is connected through the extension end of extension diaphragm coupling with the pump shaft, extension diaphragm coupling includes motor link, pump shaft link and extension end, the height of extension end of extension diaphragm coupling is greater than the height of pump shaft link. The utility model solves the problem that the pump shaft is not coaxial with the motor bearing; and the crane is not required, the lengthened end of the lengthened diaphragm coupler is taken out, and all elements in the bearing box can be maintained and replaced.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a long-shaft pump motor and pump shaft connecting structure.
Background
As shown in fig. 2, the pump shaft is installed above the water outlet elbow through the bearing box, the motor is installed above the pump shaft through the bracket, the shaft of the motor is stretched to be connected with the pump shaft through the elastic sleeve pin coupling, the bearing box and the motor are positioned by the spigot, the machining tolerance of the spigot can cause the coaxiality difference of the pump shaft and the motor and cannot be adjusted, the radial compensation amount of the elastic sleeve pin coupling is small, the vibration of the unit is caused, the motor heats, the bearing heats, and the elastic sleeve is damaged.
And secondly, because the elastic sleeve pin coupler is adopted, a crane is required to detach the motor when the water pump bearing box is overhauled and maintained, so that the overhauling is inconvenient, the overhauling time is long, and the maintenance cost is high.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide a long shaft pump motor and pump shaft connecting structure aiming at the defects in the prior art. In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a major axis pump motor and pump shaft connection structure, including the water return bend, be provided with the supporting platform above the water return bend, install the bearing box in the middle of the supporting platform, install the motor support outside the supporting platform, be provided with the thrust dish in the bearing box, be provided with the bearing between thrust dish outside and the bearing box, wear to be equipped with the pump shaft in the thrust dish, the pump shaft upper end stretches out the thrust dish, install the motor on the motor support, the shaft extension of motor passes motor support and is connected with the extension end of pump shaft through the extension diaphragm coupling, the extension diaphragm coupling includes motor link, pump shaft link and extension end, motor link and pump shaft link are connected with the shaft extension of motor and the output of pump shaft respectively, motor link and pump shaft link periphery are provided with flange one, are processed to be provided with flange two between flange two at extension end and the flange one of motor link and pump shaft link, and flange two at extension end are provided with elasticity, and the flange two is installed with the flange one of motor link and pump shaft link through bolt, nut and pump shaft link; the height of the lengthened end of the lengthened diaphragm coupler is greater than that of the pump shaft connecting end.
Further, the mounting hole is processed in the middle of the supporting platform, the positioning step is processed at the bottom of the bearing box and matched with the mounting hole, a circle of positioning groove is processed at the outer side of the supporting platform, the positioning spigot is processed at the bottom of the motor support, the motor support is positioned in the positioning groove in a fitting mode, and the motor support and the periphery of the bearing box are connected with the supporting platform through bolts.
Further, the bearings include thrust self-aligning bearings and ball bearings.
Compared with the prior art, the long-shaft pump motor and pump shaft connecting structure has the following beneficial effects:
1. The lengthened diaphragm coupler compensates the fact that a pump shaft and a motor bearing are not coaxial due to the fact that a bearing box and a motor support are matched through a spigot, and solves the problems of heating of the motor bearing, heating of the pump bearing and vibration of a unit due to the fact that a water pump shaft and a motor shaft are not coaxial;
2. The lengthened end of the lengthened diaphragm coupler is taken out without a crane, so that all elements in the bearing box can be maintained and replaced, and the unit is more convenient, quick and economical to overhaul and maintain.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the original long axis pump motor connected with the pump shaft;
The water outlet elbow pipe comprises a water outlet elbow pipe body 1, a water outlet elbow pipe body 2, a supporting platform body 3, a bearing box body 4, a motor support body 5, a thrust disc 6, a thrust aligning bearing body 7, a ball bearing body 8, a pump shaft 9, a motor body 10, a motor connecting end 11, a pump shaft connecting end 12 and a lengthening end.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below.
As shown in FIG. 1, a long-axis pump motor and pump shaft connection structure, including water outlet elbow 1, water outlet elbow 1 top is provided with supporting platform 2, installs bearing box 3 in the middle of the supporting platform 2, and motor bracket 4 is installed in the supporting platform 2 outside, wherein, processing has the mounting hole in the middle of the supporting platform 2, and bearing box 3 bottom processing has the location step, and location step cooperates with the mounting hole, the processing of supporting platform 2 outside has the round constant head tank, and motor bracket 4 bottom processing has the location tang, and the laminating of location tang is in location motor bracket 4 in the constant head tank, and motor bracket 4 and bearing box 3 all are peripheral to be connected with supporting platform 2 through the bolt.
The novel high-speed centrifugal pump is characterized in that a thrust disc 5 is arranged in the bearing box 3, a bearing is arranged between the outer side of the thrust disc 5 and the bearing box 3, the bearing comprises a thrust aligning bearing 6 and a ball bearing 7, a pump shaft 8 is arranged in the thrust disc 5 in a penetrating mode, the pump shaft 8 is connected with the thrust disc 5 through a key block, the upper end of the pump shaft 8 extends out of the thrust disc 5, a motor 9 is arranged on the motor support 4, and the shaft extension of the motor 9 penetrates through the motor support 4 and is connected with the extending end of the pump shaft 8 through a lengthened diaphragm coupler.
The lengthened diaphragm coupler comprises a motor connecting end 10, a pump shaft connecting end 11 and a lengthened end 12, wherein the motor connecting end 10 and the pump shaft connecting end 11 are respectively connected with the shaft extension of a motor 9 and the output end of a pump shaft 8 through key blocks, a connecting flange I is arranged on the periphery of the motor connecting end 10 and the pump shaft connecting end 11, a connecting flange II is machined at the upper end and the lower end of the lengthened end 12, an elastic diaphragm is arranged between the connecting flange II at the two ends of the lengthened end 12 and the connecting flange I of the motor connecting end 10 and the pump shaft connecting end 11, and the connecting flange II is installed with the connecting flange I of the motor connecting end 10 and the pump shaft connecting end 11 through bolts and nuts.
The height of the lengthened end 12 of the lengthened diaphragm coupler is larger than that of the pump shaft connecting end 11, and when the pump is maintained, the bearing box 3 can be detached from the side surface of the motor bracket 4 without using a crane to detach the lengthened end 12 of the lengthened diaphragm coupler, so that the bearing in the bearing box can be replaced.
The utility model is not limited to the embodiments described, but a person skilled in the art may make modifications or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, and the scope of the utility model is defined by the claims.
Claims (3)
1. The utility model provides a major axis pump motor and pump shaft connection structure, includes the water return bend, and water return bend top is provided with supporting platform, installs the bearing box in the middle of the supporting platform, and the motor support is installed in the supporting platform outside, be provided with thrust disk in the bearing box, be provided with the bearing between thrust disk outside and the bearing box, wear to be equipped with the pump shaft in the thrust disk, the thrust disk is stretched out to the pump shaft upper end, install the motor on the motor support, its characterized in that: the motor shaft is connected with the extending end of the pump shaft through a lengthened diaphragm coupler, the lengthened diaphragm coupler comprises a motor connecting end, a pump shaft connecting end and a lengthened end, the motor connecting end and the pump shaft connecting end are respectively connected with the motor shaft and the pump shaft output end, connecting flanges I are arranged on the peripheries of the motor connecting end and the pump shaft connecting end, connecting flanges II are machined on the upper end and the lower end of the lengthened end, an elastic diaphragm is arranged between the connecting flanges II on the two ends of the lengthened end and the connecting flanges I of the motor connecting end and the pump shaft connecting end, and the connecting flanges II are installed with the connecting flanges I of the motor connecting end and the pump shaft connecting end through bolts and nuts; the height of the lengthened end of the lengthened diaphragm coupler is greater than that of the pump shaft connecting end.
2. The long shaft pump motor and pump shaft connection structure of claim 1, wherein: the supporting platform is characterized in that a mounting hole is formed in the middle of the supporting platform, a positioning step is formed in the bottom of the bearing box and matched with the mounting hole, a circle of positioning groove is formed in the outer side of the supporting platform, a positioning spigot is formed in the bottom of the motor support, the positioning spigot is attached to the motor support in the positioning groove, and the periphery of the motor support and the periphery of the bearing box are connected with the supporting platform through bolts.
3. The long shaft pump motor and pump shaft connection structure of claim 1, wherein: the bearings include thrust self-aligning bearings and ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447042.7U CN220956077U (en) | 2023-09-08 | 2023-09-08 | Long-shaft pump motor and pump shaft connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322447042.7U CN220956077U (en) | 2023-09-08 | 2023-09-08 | Long-shaft pump motor and pump shaft connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956077U true CN220956077U (en) | 2024-05-14 |
Family
ID=91024350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322447042.7U Active CN220956077U (en) | 2023-09-08 | 2023-09-08 | Long-shaft pump motor and pump shaft connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956077U (en) |
-
2023
- 2023-09-08 CN CN202322447042.7U patent/CN220956077U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220956077U (en) | Long-shaft pump motor and pump shaft connection structure | |
| CN2931863Y (en) | Single foundation and core-shaft extracted flow pump | |
| CN207715429U (en) | A kind of vertical pump rotor part | |
| CN220979947U (en) | Connection structure convenient to long-axis pump shaft coupling clearance adjustment | |
| CN210769485U (en) | Guide bearing device of large water pump | |
| CN220910008U (en) | Submerged oil pump | |
| CN210531232U (en) | Novel vertical mixed flow pump | |
| CN212155167U (en) | Double-suction pump with cylindrical roller bearing on driving side | |
| CN217380980U (en) | Grease lubrication bearing body for vertical long-shaft submerged pump | |
| CN107829862B (en) | A kind of turbine-generator units rotatable parts concentricity method of adjustment | |
| CN202117937U (en) | Conveniently-detachable vertical type single-stage double-suction centrifugal pump | |
| CN210977899U (en) | Pipeline process pump | |
| CN201031813Y (en) | Spring mechanical sealing member with helical burr pump effect | |
| CN217265651U (en) | Fermentation cylinder (mixing) shaft axle bush fixing device | |
| CN205592181U (en) | Pin coupling for pump | |
| CN108035909A (en) | A kind of vertical pump rotor part | |
| CN214870112U (en) | Online maintenance frock of plunger type baiting valve | |
| CN217965732U (en) | Decoiler shaft gear dismounting device | |
| CN108035888B (en) | Device for adjusting angle of water pump blade | |
| CN220378529U (en) | Submerged pump bearing device convenient to change | |
| CN213711356U (en) | Water pump casting | |
| CN208215055U (en) | A kind of double end grinding apparatus | |
| CN209557268U (en) | A kind of high lift lead pump of high temperature | |
| CN213498120U (en) | Grinding high-precision heavy roller device | |
| CN111716283B (en) | Disassembling method of lower main shaft bushing for crankshaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |