CN115126715A - Connecting shaft mechanism for mixed transportation pump - Google Patents
Connecting shaft mechanism for mixed transportation pump Download PDFInfo
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- CN115126715A CN115126715A CN202210803090.2A CN202210803090A CN115126715A CN 115126715 A CN115126715 A CN 115126715A CN 202210803090 A CN202210803090 A CN 202210803090A CN 115126715 A CN115126715 A CN 115126715A
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- pump
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- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims abstract description 17
- 238000010168 coupling process Methods 0.000 claims abstract description 17
- 238000005859 coupling reaction Methods 0.000 claims abstract description 17
- 230000009351 contact transmission Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a coupling mechanism for a mixed transportation pump, which relates to the technical field of deep water transportation equipment, and comprises a motor output shaft and a pump shaft, wherein the motor output shaft is connected with the pump shaft through a coupling mechanism, and the coupling mechanism comprises: the slow transmission assembly comprises a pressing assembly and a bearing assembly, the pressing assembly is mounted on an output shaft of the motor, the bearing assembly is mounted on the pump shaft, and the output shaft of the motor rotates to enable the pressing assembly to be in contact with the bearing assembly so as to realize friction contact transmission; the invention provides a slow transmission assembly and a locking assembly which are arranged between a motor output shaft and a pump shaft, wherein the slow transmission assembly can delay the time of the power of the motor output shaft acting on the pump shaft, and is beneficial to reducing the occurrence of motor burnout caused by too long time consumed in the starting and static stage of a motor.
Description
Technical Field
The invention relates to the technical field of deepwater conveying equipment, in particular to a connecting shaft mechanism for a mixed conveying pump.
Background
The mixed transportation pump is different from the traditional pump body in that the mixed transportation pump can simultaneously transport two or more than two different types of fluids, and the existing mixed transportation pumps are classified into an oil-gas mixed transportation pump, a solid-liquid mixed transportation pump and the like, wherein the solid-liquid mixed transportation pump is commonly used in the deep water mining operation, so that the mined mineral fragments are transported along with the fluids in the pump.
The prior Chinese patent publication number is as follows: CN112524042A, which is named as a multistage mixed transportation pump for deep sea mining and comprises a motor connecting frame, a connecting pipe, a submersible motor, a pump connecting frame, an inlet pump cover, a coupling, a rotor component, a first stage flow guide body, a first intermediate pump cover, a second stage flow guide body, a second intermediate pump cover, a last stage flow guide body, a guide bearing, an outlet pump cover, a cylinder and a pump stopping protection device; the problem of the wearing and tearing of dive motor housing is solved, still improved the life who thoughtlessly defeated pump rotor part.
The pump blade of the existing mixing pump is often connected with a driving motor of the mixing pump through a pump shaft, namely the motor drives the pump shaft to rotate so that the pump blade rotates circumferentially, but the existing pump shaft is generally integrated with a shaft rod, particularly when gravels fall in a gap between the pump blade and a pump shell, the kinetic energy required by the pump shaft during starting rotation is far greater than the kinetic energy which can be provided by the motor in a starting and static stage, the pump shaft becomes the resistance of the motor output shaft in the starting and static stage, and the current of the motor in the starting and static stage is 10-14 times higher than the rated current of the motor, so that the hidden danger of motor burnout caused by overlong time consumption in the starting and static stage of the motor exists, and the shaft connecting mechanism for the mixing pump is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a connecting shaft mechanism for a mixing and conveying pump, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a shaft connecting mechanism for defeated pump thoughtlessly, includes motor output shaft and pump shaft, be connected through coupling mechanism between motor output shaft and the pump shaft, coupling mechanism includes:
the slow transmission assembly comprises a pressing assembly and a bearing assembly, the pressing assembly is mounted on an output shaft of the motor, the bearing assembly is mounted on the pump shaft, and the output shaft of the motor rotates to enable the pressing assembly to be in contact with the bearing assembly so as to realize friction contact transmission;
and the locking assembly keeps the shaft axis of the motor output shaft and the shaft axis of the pump shaft on the same straight line and keeps the distance between the end part of the motor output shaft and the end part of the pump shaft constant.
Preferably, the pressing component comprises a socket arranged at the end part of the motor output shaft, and a pressing component is arranged on the socket.
Preferably, the subassembly of exerting pressure is including seting up the chamber that holds in the motor output shaft, it stretches the chamber to hold the chamber to have seted up a plurality of sides near one side of interface, each the side is stretched the intracavity and is all installed and to stretch into the subassembly that stretches in the pressure of interface.
Preferably, the pressure extension assembly comprises a through hole communicated with the insertion port and the side extension cavity, a friction abutting unit is movably inserted in the through hole, and one end of the friction abutting unit is movably connected with a lever assembly located in the side extension cavity.
Preferably, the lever assembly comprises a straight rod located in the side extension cavity, one end of the straight rod is fixed to a balancing weight located in the accommodating cavity, the other end of the straight rod is movably connected with the friction abutting unit, and one side of the straight rod close to the insertion port is movably hinged to the side extension cavity through a support hinge seat.
Preferably, the friction interference unit comprises a transverse connecting plate, one side of the transverse connecting plate is movably connected with the straight rod, and the other side of the transverse connecting plate is fixedly provided with a rubber block which movably penetrates through the through hole.
Preferably, one side of the rubber block facing the plug interface is an arc concave surface.
Preferably, the bearing assembly comprises an inserting column positioned in the inserting port, and one end of the inserting column is fixed with the end part of the pump shaft.
Preferably, a plurality of anti-slip grooves are formed in the circumferential surface of the inserted column, and anti-slip surfaces are formed on the circumferential surface of the inserted column by the anti-slip grooves.
Preferably, the locking assembly comprises a circumferential groove arranged on the circumferential direction of the inner wall of the plug interface, and a limit ring fixed with the plug column is movably clamped in the groove body of the circumferential groove.
In the technical scheme, the slow transmission assembly and the locking assembly are arranged between the motor output shaft and the pump shaft, the slow transmission assembly can delay the time of the power of the motor output shaft acting on the pump shaft, when the power of the motor output shaft acts on the pump shaft, the motor output shaft is in a normal rotation state, so that the pump shaft can be prevented from becoming resistance in the starting and static stage of the motor output shaft, even if the motor output shaft can normally rotate, the friction contact transmission generated by the contact of the pressing assembly and the bearing assembly acts on the pump shaft, the pump shaft only receives the driving force of the motor output shaft at the moment, and the occurrence of motor burnout due to overlong consumed time in the starting and static stage of the motor is favorably reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is an enlarged schematic view of a coupling mechanism for a multiphase pump according to the present invention in a position in a pump body;
FIG. 2 is a schematic sectional view of a connecting shaft mechanism of a mixing pump according to the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 2;
FIG. 5 is a schematic view of a post structure of a coupling mechanism for a multiphase pump according to the present invention;
FIG. 6 is a partial cross-sectional view of an axle pump in another embodiment of an axle coupling for a compound pump according to the present invention;
FIG. 7 is an enlarged view of the invention at C of FIG. 6.
Description of reference numerals:
1. an output shaft of the motor; 2. a pump shaft; 2.1, a pump shaft rod; 2.2, an extension rod; 2.3, disc tooth grooves; 2.4, blind openings; 2.5, a bolt column; 2.6, a pin rod; 2.7, side plug pins; 2.8, clamping the rod; 2.9, a fluted disc; 3. a slow drive assembly; 4. a compression assembly; 4.1, a plug interface; 4.2, a pressure applying component; 4.21, a containing cavity; 4.22, a side extension cavity; 4.23, a compression and extension component; 4.231, a feedthrough; 5. a receiving assembly; 5.1, inserting a column; 5.2, an anti-slip groove; 6. a locking assembly; 6.1, a circumferential groove; 6.2, a limiting ring; 7. a lever assembly; 7.1, straight rod; 7.2, supporting the hinged support; 7.3, a balancing weight; 8. a friction collision unit; 8.1, transverse connecting plates; 8.2, a rubber block; 9. a sloped wall; 10. a spring; 11. a jack; 12. inserting a rod; 13. a plug hole; 14. inserting a rod; 15. a socket; 16. a tension spring; 17. a hemispherical block.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, a coupling mechanism for a mixing pump according to an embodiment of the present invention includes a motor output shaft 1 and a pump shaft 2, the motor output shaft 1 is connected to the pump shaft 2 through a coupling mechanism, and the coupling mechanism includes:
the slow transmission assembly 3 comprises a pressing assembly 4 arranged on the motor output shaft 1 and a bearing assembly 5 arranged on the pump shaft 2, and the motor output shaft 1 rotates to enable the pressing assembly 4 to be in contact with the bearing assembly 5 so as to realize friction contact transmission;
and the locking assembly 6 keeps the shaft axis of the motor output shaft 1 and the shaft axis of the pump shaft 2 on the same straight line and keeps the distance between the end part of the motor output shaft 1 and the end part of the pump shaft 2 constant.
Specifically, the axis of the motor output shaft 1 and the axis of the pump shaft 2 are on the same straight line, the compression assembly 4 comprises a plurality of side branch pipes fixed to the side face of the motor output shaft 1, each side branch pipe is a hard pipe, the axis of each side branch pipe is perpendicular to the axis of the motor output shaft 1, a sliding block is arranged inside each side branch pipe, the sliding block can slide in the axis direction of the side branch pipe, the sliding block is fixed to the motor output shaft 1 through a connecting wire, the connecting wire is located inside each side branch pipe, when one end of the sliding block extends out of a pipe opening of each side branch pipe, the connecting wire is in a tensioned and stretched state, the bearing assembly 5 can be an annular sleeve pipe, the rough inner wall surface of the annular sleeve pipe can be in contact with the sliding block extending out of the pipe opening of each side branch pipe, and the annular sleeve pipe is fixedly sleeved with the end of the pump shaft 2;
in the actual use process, when the motor output shaft 1 rotates, the sliding block slides outwards along the side branch pipe under the action of centrifugal force until the sliding block contacts with the inner wall surface of the annular sleeve and generates friction force, so that frictional contact transmission is realized, the pump shaft 2 receives the driving force of the motor output shaft 1 under the action of the annular sleeve to rotate, and the pump shaft 2 can receive the driving force of the motor output shaft 1 in a rotating state when the pump shaft 2 needs to rotate, specifically, in the whole process, firstly, the motor output shaft 1 rotates, then, under the action of the centrifugal force, the sliding block contacts with the inner wall surface of the annular sleeve and generates friction force, the friction force is the driving force for rotating the pump shaft 2, and when the power of the motor output shaft acts on the pump shaft, the motor output shaft is in a normal rotating state, therefore, the pump shaft 2 is prevented from becoming resistance of the motor in the starting and static stage, namely after the motor output shaft can normally rotate, the friction contact transmission generated by the contact of the pressing component and the bearing component acts on the pump shaft, the pump shaft receives the driving force of the motor output shaft at the moment, and the situation that the motor is burnt out due to overlong consumed time in the starting and static stage of the motor is favorably reduced.
In another embodiment provided by the invention, the pressing component 4 comprises a socket 4.1 arranged at the end of the motor output shaft 1, the socket 4.1 is of a cylindrical structure, the axis of the socket 4.1 coincides with the axis of the motor output shaft 1, a pressing component 4.2 is arranged on the socket 4.1, the pressing component 4.2 comprises a containing cavity 4.21 arranged in the motor output shaft 1, the containing cavity 4.21 is a circular plate type cavity, the axis of the containing cavity 4.21 coincides with the axis of the motor output shaft 1, one side of the containing cavity 4.21 close to the socket 4.1 is provided with a plurality of side extending cavities 4.22, each side extending cavity 4.22 is a strip-shaped cavity, the transverse base plane of the side extending cavity 4.22 is rectangular, one side wall of the opening end of the side extending cavity 4.22 is an inclined wall 9, the inclined wall 9 and the cavity wall of the side extending cavity 4.22 on the same plane form an included angle of 100-130 degrees, preferably, the inclined wall 9 and the side extending cavity wall of the side extending cavity 4.22 on the same plane form an included angle of 120 degrees, so that one end of the side extending cavity 4.22 connected with the containing cavity 4.21 has a good moving space, the length direction line of each side extending cavity 4.22 is parallel to the axial lead of the motor output shaft 1, each side extending cavity 4.22 is evenly distributed on the circumference of the inserting port 4.1, thereby ensuring that the mass distribution of the shaft body of the motor output shaft 1 is even, keeping the motor output shaft 1 to have good rotation balance, arranging a pressing and stretching component 4.23 which can stretch into the interface 4.1 in each side stretching cavity 4.22, wherein, the pressing and stretching component 4.23 can extend into the inserting port 4.1 to contact with the bearing component 5 when the motor output shaft 1 rotates to realize friction contact transmission, and at the moment, the pressing and stretching component 4.23 is in the extending position, similarly, when the rotation of the motor output shaft 1 stops, the pressing and extending component 4.23 is contracted from the inserting port 4.1 and separated from the bearing component 5, and the pressing and extending component 4.23 is in a contracted position.
In another embodiment of the present invention, the pressing and stretching assembly 4.23 includes a through opening 4.231 communicating with the socket 4.1 and the side stretching cavity 4.22, the through opening 4.231 enables the socket 4.1 and the side stretching cavity 4.22 to form a communicating state, a friction abutting unit 8 is movably inserted into the through opening 4.231, one end of the friction abutting unit 8 is movably connected with the lever assembly 7 located in the side stretching cavity 4.22, during an actual use process, when the pressing and stretching assembly 4.23 moves from a retracted position to an extended position, the lever assembly 7 deflects in a forward direction, and the lever assembly 7 applies a pushing force to the friction abutting unit 8, and at this time, the friction abutting unit 8 extends into the socket 4.1, so that the friction abutting unit 8 contacts with the receiving assembly 5 to realize a friction contact transmission.
In another embodiment of the present invention, the lever assembly 7 includes a straight rod 7.1 located in the side extension cavity 4.22, one end of the straight rod 7.1 is fixed to a weight 7.3 located in the accommodation cavity 4.21, the weight 7.3 is fixed to be capable of moving away from the direction away from the center line of the accommodation cavity 4.21, the other end of the straight rod 7.1 is movably connected to the friction abutting unit 8, one side of the straight rod 7.1 close to the insertion port 4.1 is movably hinged to the side extension cavity 4.22 through a support hinge 7.2, specifically, the rod body of the lever 7.1 is a hard straight rod, when the length direction line of the rod body of the lever 7.1 is parallel to the length direction line of the side extension cavity 4.22, the pressing and extending assembly 4.23 is in the retracted position, and when an included angle is formed between the length direction line of the rod body of the lever 7.1 and the length direction line of the side extension cavity 4.22, the pressing and extending assembly 4.23 is in the extended position;
in the practical use process, when the motor output shaft 1 rotates, the counterweight 7.3 moves away under the action of centrifugal force, the straight rod 7.1 deflects forward under the action of the support hinge seat 7.2, specifically, the support hinge seat 7.2 is used as the length dividing point of the straight rod 7.1, the inclined plane wall 9 of the straight rod 7.1 close to one side of the counterweight 7.3 and facing the side extension cavity 4.22 deflects, the straight rod 7.1 close to one side of the friction interference unit 8 moves towards the insertion port 4.1, so that the friction interference unit 8 is pressed by the lever 7.1, the friction interference unit 8 extends into the insertion port 4.1, the friction interference unit 8 is in contact with the receiving component 5 to realize friction contact transmission, the numerical value of the counterweight 7.3 is in direct proportion to the extrusion force when the friction unit 8 is in contact with the receiving component 5, and the rotation speed of the motor output shaft 1 is higher, the friction force is larger when the friction collision unit 8 contacts the receiving component 5, and it should be further described that the numerical value of the distance between the counterweight 7.3 and the supporting hinged support 7.2 is larger than the numerical value of the distance between the friction collision unit 8 and the supporting hinged support 7.2, so as to be beneficial to improving the pressure value borne by the friction collision unit 8.
In another embodiment provided by the invention, the friction interference unit 8 comprises a transverse connecting plate 8.1, the transverse connecting plate 8.1 is positioned inside the side extension cavity 4.22, one side of the transverse connecting plate 8.1 is movably connected with the straight rod 7.1, specifically, one side of the transverse connecting plate 8.1, which faces the straight rod 7.1, is provided with a hemispherical block 17 fixed with the end part of the straight rod 7.1, the spherical arc surface of the hemispherical block 17 is in contact with the plate surface of the transverse connecting plate 8.1, so as to reduce the friction force between the plate surface of the transverse connecting plate 8.1 and the straight rod 7.1, the other side of the transverse connecting plate 8.1 is fixedly provided with a rubber block 8.2 movably penetrating through the penetrating opening 4.231, and the transverse connecting plate 8.1 is connected with the inner wall of the side extension cavity 4.22 through a plurality of springs 10;
in practical use, when the pressing and stretching assembly 4.23 is in a contracted position, each spring 10 is in a stretching state at the moment, the rubber block 8.2 is contracted into the through opening 4.231, the length direction line of the straight rod 7.1 is parallel to the length direction line of the side stretching cavity 4.22, when the pressing and stretching assembly 4.23 is in a stretching position, the transverse connecting plate 8.1 is subjected to extrusion force exerted by the straight rod 7.1, so that each spring 10 is extruded to generate elastic deformation, and meanwhile, the rubber block 8.2 is also inserted into the side stretching cavity 4.22 from the through opening 4.231, so that the rubber block 8.2 is in contact with the receiving assembly 5 to realize frictional contact transmission;
it should be further noted that, the process of the lever assembly 7 deflecting in the forward direction is the process of the spring 10 converting from the extended state to the state of being elastically deformed by being pressed, when the output shaft of the motor output shaft 1 stops rotating and the counterweight 7.3 does not receive centrifugal force any more, the lever assembly 7 deflects in the reverse direction under the action of the elastic restoring force of the spring 10, that is, the length direction line of the rod body of the lever 7.1 is parallel to the length direction line of the side extension cavity 4.22, that is, the pressure extension assembly 4.23 is restored to the retracted position from the extended position.
In another embodiment provided by the invention, one side of the rubber block 8.2 facing the plug interface 4.1 is an arc concave surface, and a plurality of convex point blocks are fixed on the arc concave surface, so that the roughness of the arc concave surface is increased, and the friction force when the arc concave surface is contacted with the bearing component 5 is improved.
In another embodiment of the present invention, the receiving assembly 5 includes an insert post 5.1 located in the insertion port 4.1, one end of the insert post 5.1 is fixed to an end of the pump shaft 2, wherein the insert post 5.1 is a cylinder, an axial line of the insert post 5.1 is collinear with an axial line of the motor output shaft 1, a circumferential surface of the insert post 5.1 forms a position where the receiving assembly 5 contacts the pressing assembly 4, i.e., the circumferential surface of the insert post 5.1 contacts the rubber block 8.2 to achieve frictional contact transmission, so that the insert post 5.1 receives power of the motor output shaft 1 and the pump shaft 2 rotates synchronously.
In another embodiment provided by the invention, the circumferential surface of the plug post 5.1 is provided with a plurality of anti-slip grooves 5.2, the length direction lines of the anti-slip grooves 5.2 are all parallel to the axial lead of the plug post 5.1, and the anti-slip grooves 5.2 form anti-slip surfaces on the circumferential surface of the plug post 5.1, so that the anti-slip effect of the circumferential surface of the plug post 5.1 is further increased, so that good friction resistance is provided between the plug post 5.1 and the rubber block 8.2, it needs to be further explained that one end of the plug post 5.1 inserted into the socket 4.1 is provided with a jack 11, the axial lead of the jack 11 is overlapped with the axial lead of the plug post 5.1, and a plug rod 12 fixed with the end wall of the socket 4.1 is inserted into the jack 11 in a matched and inserted manner, so that the plug rod 12 plays a role in centering role in the socket 4.1 for the plug post 5.1, and the axial lead of the socket 4.1 are kept on the same straight line.
In another embodiment provided by the invention, the locking assembly 6 comprises a circumferential groove 6.1 arranged on the circumferential direction of the inner wall of the inserting port 4.1, the circle center of the circumferential groove 6.1 is positioned on the axis of the inserting column 5.1, a limiting ring 6.2 fixed with the inserting column 5.1 is movably clamped in the groove body of the circumferential groove 6.1, the circle center of the limiting ring 6.2 is coincided with the circle center of the circumferential groove 6.1, in the practical use process, the circumferential groove 6.1 limits the movement of the limiting ring 6.2 in the axial lead direction of the inserted column 5.1, the limiting ring 6.2 always keeps synchronous motion with the inserted column 5.1, namely, the limiting ring 6.2 can only do circumferential motion along with the motor output shaft 1, so when the motor output shaft 1 rotates circumferentially, at the moment, under the limiting action of adaptive clamping of the limiting ring 6.2 and the groove body of the circumferential groove 6.1, the distance between the inserted column 5.1 and the motor output shaft 1 in the axial direction is kept unchanged, and simultaneously, the shaft axis of the motor output shaft 1 and the shaft axis of the pump shaft 2 are kept on the same straight line.
In another embodiment provided by the invention, a plurality of annular uniform plug pin holes 13 are formed in the side surface of the plug pin 5.1, the axial lead of each plug pin hole 13 is perpendicular to the axial lead of the plug pin 5.1, plug pins 14 are movably inserted into the plug pin holes 13, a plurality of insertion ports 15 uniformly distributed along the circumferential line of the insertion port 4.1 are formed in the inner wall of the insertion port 4.1, the circle center of the circumferential line of the insertion port 4.1 where each insertion port 15 is located is coincident with the circle center of an annular track line formed by the annular distribution of the plug pin holes 13 on the plug pin 5.1, one end of each plug pin 14 is fixed with the hole bottom of the plug pin hole 13 through a tension spring 16, and the other end of each plug pin 14 can be inserted into the insertion ports 15 in a matching manner;
in the actual use process, when the plug post 5.1 is driven by the motor output shaft 1 and reaches a certain rotation speed, for example, when the rotation speed of the plug post 5.1 is consistent with the rotation speed of the motor output shaft 1, the plug rod 14 overcomes the elastic tension of the tension spring 16 and extends outwards under the action of centrifugal force, specifically, when the tension spring 16 is in a natural contraction state, the plug rod 14 is completely retracted into the plug post hole 13, the length of the plug rod 14 is one unit, when the length of the plug rod 14 extending out of the plug post hole 13 is one third unit, the extending end of the plug rod 14 is in contact with the inner wall of the socket 4.1, when the length of the plug rod 14 extending out of the plug post hole 13 is one half unit, the plug rod 14 is in socket connection with the socket 15, so that the plug rod 14 plays a role of pushing the side wall of the socket 15, and the connection strength between the plug post 5.1 and the motor output shaft 1 is further enhanced, make pump shaft 2 can be more stable accept motor output shaft 1's continuous drive, and like the same, when motor output shaft 1 stall, centrifugal force disappears, and plunger 14 resumes to inserting in post hole 13 under the effect of extension spring 16 this moment.
In still another embodiment of the present invention, the pump shaft 2 includes a pump shaft rod 2.1 fixed to the pump blade, an extension rod 2.2 is fixed to one end of the pump shaft rod 2.1, one end of the extension rod 2.2 is fixed to an insertion column 5.1, the axial lines of the insertion column 5.1, the pump shaft rod 2.1 and the extension rod 2.2 are all on the same straight line, the other end of the extension rod 2.2 is opened with a blind opening 2.4, a plug column 2.5 fixed to the end of the pump shaft rod 2.1 is inserted into the blind opening 2.4 in a matching manner, a pin rod 2.6 is inserted through the side surface of the extension rod 2.2 in a movable manner, the pin rod 2.6 is inserted through the plug column 2.5 in a movable manner, the axial line of the pin rod 2.6 is perpendicular to the axial line of the plug column 2.5 and the axial line of the extension rod 2.2, the side surface of the two ends of the pin rod 2.6 are spirally inserted with side plugs 2.7, the axial line of the rod body of the side pin 2.7 is parallel to the axial line of the extension rod 2.2, and the two pin rods can limit the axial lines of the pin rod 2.6 to generate movement along the axial line direction, both ends of side bolt 2.7 are all articulated to have kelly 2.8, the both ends of pin pole 2.6 all are fixed with fluted disc 2.9, the centre of a circle of fluted disc 2.9 is located the axis of pin pole 2.6, when pump shaft 2 takes place high-speed rotation, thereby under the effect of centrifugal force, make kelly 2.8 take place to deflect towards fluted disc 2.9 position, kelly 2.8 can mesh the joint with the ascending dish tooth's socket 2.3 looks in disk body circumference of fluted disc 2.9 this moment, thereby the circumferential direction of restriction side bolt 2.7, and then keep the fastness of being connected between extension rod 2.2 and the pump shaft pole 2.1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a link mechanism for defeated pump thoughtlessly, includes motor output shaft (1) and pump shaft (2), its characterized in that: be connected through coupling mechanism between motor output shaft (1) and pump shaft (2), coupling mechanism includes:
the slow transmission assembly (3) comprises a pressing assembly (4) arranged on the motor output shaft (1) and a bearing assembly (5) arranged on the pump shaft (2), and the motor output shaft (1) rotates to enable the pressing assembly (4) to be in contact with the bearing assembly (5) to realize friction contact transmission;
and the locking assembly (6) keeps the shaft axis of the motor output shaft (1) and the shaft axis of the pump shaft (2) on the same straight line and keeps the distance between the end part of the motor output shaft (1) and the end part of the pump shaft (2) constant.
2. The connecting shaft mechanism for the mixing and conveying pump according to claim 1, wherein the pressing component (4) comprises a socket (4.1) arranged at the end of the motor output shaft (1), and a pressing component (4.2) is arranged on the socket (4.1).
3. The connecting shaft mechanism for the mixing transmission pump according to claim 2, wherein the pressing component (4.2) comprises a containing cavity (4.21) arranged in the motor output shaft (1), one side of the containing cavity (4.21) close to the insertion port (4.1) is provided with a plurality of side extending cavities (4.22), and each side extending cavity (4.22) is internally provided with a pressing and extending component (4.23) capable of extending into the insertion port (4.1).
4. A coupling mechanism for a multiphase pump according to claim 3, wherein the pressure extension assembly (4.23) comprises a through hole (4.231) communicating with the insertion port (4.1) and the side extension chamber (4.22), the through hole (4.231) is movably inserted with a friction interference unit (8), and one end of the friction interference unit (8) is movably connected with the lever assembly (7) located in the side extension chamber (4.22).
5. The shaft connecting mechanism for the mixing and conveying pump according to claim 4, wherein the lever assembly (7) comprises a straight rod (7.1) located in the side extending cavity (4.22), one end of the straight rod (7.1) is fixed with a balancing weight (7.3) located in the accommodating cavity (4.21), the other end of the straight rod (7.1) is movably connected with the friction abutting unit (8), and one side of the straight rod (7.1) close to the inserting port (4.1) is movably hinged with the side extending cavity (4.22) through a supporting hinge seat (7.2).
6. The shaft connecting mechanism for the mixing and conveying pump according to claim 5, characterized in that the friction interference unit (8) comprises a cross connecting plate (8.1), one side of the cross connecting plate (8.1) is movably connected with the straight rod (7.1), and the other side of the cross connecting plate (8.1) is fixed with a rubber block (8.2) movably penetrating through the penetrating opening (4.231).
7. A coupling mechanism for a multiphase pump according to claim 6, wherein the side of the rubber block (8.2) facing the socket (4.1) is curved concave.
8. A coupling mechanism for a multiphase pump according to claim 2, wherein the receiving component (5) comprises an insert column (5.1) in the socket (4.1), and one end of the insert column (5.1) is fixed with the end of the pump shaft (2).
9. The connecting shaft mechanism for the multiphase pump according to claim 8, wherein a plurality of anti-slip grooves (5.2) are formed on the circumferential surface of the insert column (5.1), and the anti-slip grooves (5.2) form an anti-slip surface on the circumferential surface of the insert column (5.1).
10. The connecting shaft mechanism for the mixing transmission pump according to claim 8, wherein the locking assembly (6) comprises a circumferential groove (6.1) formed in the circumferential direction of the inner wall of the insertion port (4.1), and a limit ring (6.2) fixed with the insertion column (5.1) is movably clamped in the groove body of the circumferential groove (6.1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210803090.2A CN115126715B (en) | 2022-07-07 | 2022-07-07 | Connecting shaft mechanism for mixed delivery pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210803090.2A CN115126715B (en) | 2022-07-07 | 2022-07-07 | Connecting shaft mechanism for mixed delivery pump |
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| Publication Number | Publication Date |
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| CN115126715A true CN115126715A (en) | 2022-09-30 |
| CN115126715B CN115126715B (en) | 2023-04-28 |
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| CN202210803090.2A Active CN115126715B (en) | 2022-07-07 | 2022-07-07 | Connecting shaft mechanism for mixed delivery pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117759565A (en) * | 2024-01-30 | 2024-03-26 | 安徽省留香特种船舶有限责任公司 | Coupling mechanism of mixing pump |
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| Publication number | Publication date |
|---|---|
| CN115126715B (en) | 2023-04-28 |
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Address after: 239400 No. 72, Liuwan Road, Mingguang Industrial Park, Chuzhou City, Anhui Province Applicant after: Anhui Liuxiang Special Ship Co.,Ltd. Address before: 239400 No. 72, Liuwan Road, Mingguang Industrial Park, Chuzhou City, Anhui Province Applicant before: MINGGUANG CITY LIUXIANG PUMP INDUSTRY Co.,Ltd. |
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Application publication date: 20220930 Assignee: Mingguang Runjia Pump Ship Technology Co.,Ltd. Assignor: Anhui Liuxiang Special Ship Co.,Ltd. Contract record no.: X2024980000261 Denomination of invention: A coupling mechanism for mixed transport pumps Granted publication date: 20230428 License type: Exclusive License Record date: 20240111 |
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