CN205013352U - Integration submerged motor pump spline shaft coupling structure for well - Google Patents
Integration submerged motor pump spline shaft coupling structure for well Download PDFInfo
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- CN205013352U CN205013352U CN201520785978.3U CN201520785978U CN205013352U CN 205013352 U CN205013352 U CN 205013352U CN 201520785978 U CN201520785978 U CN 201520785978U CN 205013352 U CN205013352 U CN 205013352U
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Abstract
The utility model discloses an integration submerged motor pump spline shaft coupling structure for well, including motor output spline axle head, water pump input hexagon shaft end, the shaft coupling, the shaft coupling has last half -coupling and lower half -coupling, it is the ring flange that has the flange to go up half -coupling, there are central screw shaft hole and hookup screw and counter bore, half -coupling is the cylinder that has the flange down, the flange limit is jagged, the cylinder has center bore and splined hole, the spline segment end of motor output spline axle head is threaded, go up on the half -coupling hookup screw thread, the tip and the half -coupling interference hookup down of water pump input hexagon shaft end, the spline segment is connected with the splined hole, the flange is in the counter bore, the location clamping ring that has a protruding tongue by the inner circle edge embolias down among the half -coupling, couple on the half -coupling, the encapsulation flange in the counter bore and protruding tongue in the flange breach, to go up half -coupling couples together with lower half -coupling, have the axiality of assurance and intensity, prevent the reversal and deviate from, reduce the processing cost, install simple process's beneficial effect.
Description
Technical field
The utility model relates to the coupling structure of a kind of well motor for submerged pump axle together with water pump spindle connection, especially integrated Submersible Pump spline coupling structure.
Background technique
In prior art, coupling structure together with well motor for submerged pump axle connects with water pump spindle has coupling to connect usually, some is connected by welding or the direct connecting mode of screw thread, especially integrated Submersible Pump, its internal structure comprises motor and Multi-stage water pump impeller group, both connect together by being in inner coupling structure, Motor Shaft is cylinder axis, its spindle nose is processed as flat key axle or splined shaft or thread spindle usually, water pump spindle is hexagonal axis, both need when connecting to ensure coaxality, just requirement for dynamic balance can be reached, otherwise submersible pump can shake and produce larger noise when running, and easily cause submersible pump fault, inner coupling structure is the key structure of integrated Submersible Pump, and water pump hexagonal axis relies on coupling to locate and connect, and the coaxality between diaxon affects quality of product and life-span, wherein coupling connecting mode is that coupling two ends are arranged different axis holes, one end is hexagonal axis hole, connect water pump hexagonal axis, one end is splined hole or flat key hole, with Motor Shaft splined or Flat dey joint, the processing of this coupling can be forging or machining, for ensureing coaxality, its difficulty of processing and cost are all higher, and welding manner also needs weld bond to process and straightening operation after welding, while processing cost is higher, work efficiency is lower, axle after welding is longer makes motor install and water pump mounting process complexity, screw thread is directly connected and refers to that Motor Shaft has male threaded stub, water pump hexagonal axle head has tapped hole, direct scyewed joint, this structure is also there is coaxality to compare the problem being difficult to ensure card, reduce the intensity of coupled position simultaneously, in order to the words of proof strength then will strengthen hexagonal axis diameter, cost of material can increase, and this structure is not suitable for three phase electric machine to be connected, because there is reversion to get loose phenomenon, appearance can cause fault of water pump repeatedly, so said structure all can not ensure coaxality while proof strength and cutting down finished cost.
Model utility content
The technical problems to be solved in the utility model be to provide a kind of can ensure coaxality while proof strength, prevent reversion from deviating from, and can cut down finished cost, the simple integrated Submersible Pump spline coupling structure of mounting process.
In order to solve the problems of the technologies described above, the technological scheme of the utility model integration Submersible Pump spline coupling structure is: comprise motor output spline end and water pump input hexagonal axle head, coupled position between them is in the below of the mechanical sealing element be arranged on motor output spline end, motor output spline end and water pump input hexagonal axle head rely on a coupling to connect, described coupling comprises half-coupling and lower half-coupling, be characterized in: the body of described upper half-coupling is the flange plate that a centre bit is equipped with flange, there is center screw thread axis hole, flange plate has the connection screw of circumference uniform distribution, flange plate bottom center also has counterbore, the body of described lower half-coupling is the cylindrical body that there is flange an end, flange edge offers breach, cylindrical body has central shaft hole, the center hole part that correspondence has flange one end is splined hole, the spline segment end outer cylinder of described motor output spline end also has one section of screw thread, the center screw thread axis hole of upper half-coupling to be connected on this screw thread and to allow flange plate in below, the end of described water pump input hexagonal axle head has one section of cylinder shaft part, the central shaft hole of lower half-coupling connects with this cylinder shaft part interference fit, after upper half-coupling and lower half-coupling connect, the spline segment of motor output spline end and the splined hole of lower half-coupling are connected, and the flange of lower half-coupling embeds in the counterbore of upper half-coupling, the circle that is located by connecting is also had between upper half-coupling and lower half-coupling, the circle face of the described circle that is located by connecting is evenly distributed in bolt hole, inner ring edge has axial raised convex tongue, the described inner ring being located by connecting circle is inserted in the cylindrical body of lower half-coupling to flange bottom surface, pass through bolt, bolt hole, connecting screw is fixedly coupled on the flange plate of half-coupling, encapsulate flange in counterbore, convex tongue embeds in the breach of flange simultaneously, together with upper half-coupling is connected with lower half-coupling.
As one of optimal technical scheme of the present utility model be: the flange encapsulated is Spielpassung in counterbore.
As two of optimal technical scheme of the present utility model be: the convex tongue of the breach on flange and the circle that is located by connecting has multiple respectively, one_to_one corresponding.
As three of optimal technical scheme of the present utility model be: the center thread spindle outer end of hole of described upper half-coupling has axis hole continuously, is set on the screw tip optical axis of motor output spline end.
The beneficial effects of the utility model are: the coupling adopted due to the utility model carrys out carry-over moment by splined and scyewed joint, utilizing is located by connecting simultaneously encloses upper half-coupling together with lower half-coupling connection, embedded by the convex tongue of the circle that is located by connecting in the breach of lower half-coupling flange and prevent the reversion of upper half-coupling from getting loose, and play certain power-assisted effect, make this coupling proof strength more, when being encapsulated in the lower half-coupling flange in upper half-coupling counterbore each other for Spielpassung, connection so between motor output spline end and water pump input hexagonal axle head becomes soft strength by hard connection, coaxality between them can adjust automatically, requirement on machining accuracy and the installation requirement of water pump spindle can be reduced, thus enhance productivity and reduce cost of production, so the utility model have can ensure coaxality while proof strength, prevent reversion from deviating from, and can cut down finished cost, the simple beneficial effect of mounting process.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, integrated Submersible Pump spline coupling structure of the present utility model is further described.
Fig. 1 is the sectional view of the utility model integration Submersible Pump spline coupling structure in mounting point.
Fig. 2 is the plan view of coupling in the utility model integration Submersible Pump spline coupling structure.
Fig. 3 is the worm's eye view of Fig. 2.
Fig. 4 is the plan view of Fig. 2.
Fig. 5 is the sectional view of Fig. 2.
Fig. 6 is the top perspective view of Fig. 2.
Fig. 7 is the face upwarding stereogram of Fig. 2.
Fig. 8 is the upper half-coupling plan view of coupling in the utility model integration Submersible Pump spline coupling structure.
Fig. 9 is the sectional view of Fig. 8.
Figure 10 is the top perspective view of Fig. 8.
Figure 11 is the face upwarding stereogram of Fig. 8.
Figure 12 is the lower half-coupling plan view of coupling in the utility model integration Submersible Pump spline coupling structure.
Figure 13 is the sectional view of Figure 12.
Figure 14 is the face upwarding stereogram of Figure 12.
Figure 15 is the top perspective view of Figure 12.
Figure 16 is the circle plan view that is located by connecting of coupling in the utility model integration Submersible Pump spline coupling structure.
Figure 17 is the sectional view of Figure 16.
Figure 18 is the main parallax stereogram of Figure 16.
Figure 19 is the rear perspective view of Figure 16.
Figure 20 is motor output spline end structure view in the utility model integration Submersible Pump spline coupling structure.
Figure 21 is water pump input hexagonal axis end structure view in the utility model integration Submersible Pump spline coupling structure.
Figure 22 is the sectional view that the utility model integration Submersible Pump spline coupling structure is applied in integrated Submersible Pump.
Embodiment
Shown in Fig. 1 ~ 22, the mode of execution of the utility model integration Submersible Pump spline coupling structure is: comprise motor output spline end 1 and water pump input hexagonal axle head 2, coupled position between them is in the below of the mechanical sealing element 3 be arranged on motor output spline end 1, motor output spline end 1 and water pump input hexagonal axle head 2 rely on a coupling 4 to connect, described coupling 4 comprises half-coupling 41 and lower half-coupling 42, the body of described upper half-coupling 41 is flange plate that a centre bit is equipped with flange, there is center screw thread axis hole 411, flange plate has the connection screw 412 of circumference uniform distribution, flange plate bottom center also has counterbore 413, the body of described lower half-coupling 42 is cylindrical bodys that there is flange 423 end, flange 423 edge jagged 424, cylindrical body has central shaft hole 421, the center hole part that correspondence has flange 423 one end is splined hole 422, the spline segment 11 end outer cylinder of described motor output spline end 1 also has one section of screw thread 12, the center screw thread axis hole 411 of upper half-coupling 41 to be connected on this screw thread 12 and to allow flange plate in below, the end of described water pump input hexagonal axle head 2 has one section of cylinder shaft part 21, the central shaft hole 421 of lower half-coupling 42 connects with this cylinder shaft part 21 interference fit, after upper half-coupling 41 and lower half-coupling 42 connect, the spline segment 11 of motor output spline end 1 is connected with the splined hole 422 of lower half-coupling 42, and the flange 423 of lower half-coupling 42 embeds in the counterbore 413 of upper half-coupling 41, the circle 43 that is located by connecting is also had between upper half-coupling 41 and lower half-coupling 42, the circle face of the described circle 43 that is located by connecting is evenly distributed in bolt hole 431, inner ring edge has axial raised convex tongue 432, the described inner ring being located by connecting circle 43 is inserted in the cylindrical body of lower half-coupling 42 to flange 423 bottom surface, by bolt 44, bolt hole 431, connecting screw 412 is fixedly coupled on the flange plate of half-coupling 41, encapsulate flange 423 in counterbore 413, convex tongue 432 embeds in the breach 424 of flange 423 simultaneously, together with upper half-coupling 41 is connected with lower half-coupling 42.In the present embodiment, cylinder shaft part 21 interference fit that central shaft hole 421 and the water pump of lower half-coupling 42 input hexagonal axle head 2 connects hot jacket mode can be adopted to realize.
Shown in Fig. 1,5, as one of preferred implementation of the present utility model be: the flange 423 encapsulated is Spielpassung in counterbore 413.In the present embodiment, flange 423 in counterbore 413 be have loosening, connection between motor output spline end 1 and water pump input hexagonal axle head 2 becomes soft strength by hard connection, coaxality between them can adjust automatically, requirement on machining accuracy and the installation requirement of water pump spindle can be reduced, thus enhance productivity and reduce cost of production.
Shown in Figure 12 ~ 19, as two of preferred implementation of the present utility model be: the breach 424 on flange 423 and the convex tongue 432 of the circle 43 that is located by connecting have multiple respectively, one_to_one corresponding.In the present embodiment, breach 424 and convex tongue 432, such as can 2,3,4 etc. a lot ofs, and at least one is one_to_one corresponding, better can assist the transmission of coupling moment.
Shown in Fig. 2 ~ 11, as three of preferred implementation of the present utility model be: screw thread axis hole 411 outer end, center of described upper half-coupling 41 has axis hole 414 continuously, is set on the screw thread 12 end optical axis of motor output spline end 1.In the present embodiment, axis hole 414 can be embraced on motor output spline end 1 epimere optical axis and protect screw thread 12.
By Fig. 1, 5, shown in 22, when mounted, first motor and Multi-stage water pump impeller group is installed, the circle 43 that will be located by connecting is enclosed within water pump input hexagonal axle head 2, the cylinder shaft part 21 allowing the central shaft hole 421 of lower half-coupling 42 and water pump input hexagonal axle head 2 adopts hot jacket mode interference fit to connect, by screw thread 12 end of upper half-coupling 41 precession motor output spline end 1, the spline segment 11 of motor output spline end 1 is connected with the splined hole 422 of lower half-coupling 42, and the flange 423 of lower half-coupling 42 embeds in the counterbore 413 of upper half-coupling 41, the circle 43 that now will be located by connecting overlaps to flange 423 bottom surface, by bolt 44, bolt hole 431, connecting screw 412 is fixedly coupled on the flange plate of half-coupling 41, encapsulate flange 423 in counterbore 413, convex tongue 432 embeds in the breach 424 of flange 423 simultaneously, together with upper half-coupling 41 is connected with lower half-coupling 42, if the flange 423 that fruit encapsulates is Spielpassung in counterbore 413, flange 423 in counterbore 413 be have loosening, connection between motor output spline end 1 and water pump input hexagonal axle head 2 becomes soft strength by hard connection, coaxality between them can adjust automatically, requirement on machining accuracy and the installation requirement of water pump spindle can be reduced, thus enhance productivity and reduce cost of production, so the utility model have can ensure coaxality while proof strength, prevent reversion from deviating from, and can cut down finished cost, the simple beneficial effect of mounting process.
The above be the utility model preferred embodiment, do not form the restriction to the utility model protection domain, as long as with substantially identical means implement the purpose of this utility model, all should belong to protection domain of the present utility model.
Claims (4)
1. an integrated Submersible Pump spline coupling structure, comprise motor output spline end (1) and water pump input hexagonal axle head (2), coupled position between them is in the below of the mechanical sealing element (3) be arranged on motor output spline end (1), motor output spline end (1) and water pump input hexagonal axle head (2) rely on the connection of a coupling (4), described coupling (4) comprises half-coupling (41) and lower half-coupling (42), it is characterized in that: the body of described upper half-coupling (41) is the flange plate that a centre bit is equipped with flange, there is center screw thread axis hole (411), flange plate has the connection screw (412) of circumference uniform distribution, flange plate bottom center also has counterbore (413), the body of described lower half-coupling (42) is the cylindrical body that there are flange (423) end, flange (423) edge jagged (424), cylindrical body has central shaft hole (421), the center hole part that correspondence has flange (423) one end is splined hole (422), spline segment (11) the end outer cylinder of described motor output spline end (1) also has one section of screw thread (12), center screw thread axis hole (411) of upper half-coupling (41) is connected in this screw thread (12) and goes up and allow flange plate in below, the end of described water pump input hexagonal axle head (2) has one section of cylinder shaft part (21), the central shaft hole (421) of lower half-coupling (42) connects with this cylinder shaft part (21) interference fit, after upper half-coupling (41) and lower half-coupling (42) connect, the spline segment (11) of motor output spline end (1) and the splined hole (422) of lower half-coupling (42) are connected, and in flange (423) embedding of lower half-coupling (42) half-coupling (41) counterbore (413) in, the circle (43) that is located by connecting is also had between upper half-coupling (41) and lower half-coupling (42), the circle face of the described circle (43) that is located by connecting is evenly distributed in bolt hole (431), inner ring edge has axial raised convex tongue (432), the described inner ring being located by connecting circle (43) is inserted in the cylindrical body of lower half-coupling (42) to flange (423) bottom surface, by bolt (44), bolt hole (431), connecting screw (412) is fixedly coupled on the flange plate of half-coupling (41), encapsulate flange (423) in counterbore (413), convex tongue (432) embeds in the breach (424) of flange (423) simultaneously, upper half-coupling (41) and lower half-coupling (42) are connected together.
2. integrated Submersible Pump spline coupling structure according to claim 1, is characterized in that: the flange (423) encapsulated is Spielpassung in counterbore (413).
3. integrated Submersible Pump spline coupling structure according to claim 1, it is characterized in that: the convex tongue (432) of the breach (424) on flange (423) and the circle (43) that is located by connecting has multiple respectively, one_to_one corresponding.
4. integrated Submersible Pump spline coupling structure according to claim 1, it is characterized in that: screw thread axis hole (411) outer end, center of described upper half-coupling (41) has axis hole (414) continuously, is set on screw thread (12) the end optical axis of motor output spline end (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785978.3U CN205013352U (en) | 2015-10-10 | 2015-10-10 | Integration submerged motor pump spline shaft coupling structure for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785978.3U CN205013352U (en) | 2015-10-10 | 2015-10-10 | Integration submerged motor pump spline shaft coupling structure for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013352U true CN205013352U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520785978.3U Withdrawn - After Issue CN205013352U (en) | 2015-10-10 | 2015-10-10 | Integration submerged motor pump spline shaft coupling structure for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134639A (en) * | 2015-10-10 | 2015-12-09 | 广东瑞荣泵业有限公司 | Electric submersible pump spline coupling structure for integrated well |
-
2015
- 2015-10-10 CN CN201520785978.3U patent/CN205013352U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134639A (en) * | 2015-10-10 | 2015-12-09 | 广东瑞荣泵业有限公司 | Electric submersible pump spline coupling structure for integrated well |
| CN105134639B (en) * | 2015-10-10 | 2017-06-16 | 广东瑞荣泵业有限公司 | Integrated Submersible Pump spline coupling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20170616 |