CN113685448B - Coupling for ultra-high temperature high-speed alloy pump - Google Patents
Coupling for ultra-high temperature high-speed alloy pump Download PDFInfo
- Publication number
- CN113685448B CN113685448B CN202110965441.5A CN202110965441A CN113685448B CN 113685448 B CN113685448 B CN 113685448B CN 202110965441 A CN202110965441 A CN 202110965441A CN 113685448 B CN113685448 B CN 113685448B
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- Prior art keywords
- pump body
- motor
- wall
- motor connecting
- connecting hole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load
- F16D3/58—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load the intermediate members being made of rubber or like material
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a coupling for an ultra-high temperature high-speed alloy pump, wherein an elastic sleeve is filled between the inner wall of a motor connecting hole and the outer wall of a pin assembly, the outer diameter of the elastic sleeve is slightly larger than the inner diameter of the motor connecting hole, and the inner diameter of the elastic sleeve is slightly smaller than the outer diameter of the pin assembly; will with motor output shaft fixed connection and synchronous revolution's motor connecting portion and pump body input shaft fixed connection and synchronous revolution's pump body connecting portion fixed connection through the pin subassembly, guarantee that the output power of motor can be stable and continuously carry to pump body structure, loading and unloading are convenient, it has the elastic sleeve still to pack between the inner wall of motor connecting hole and the outer wall of pin subassembly, from last to guaranteeing the good contact of the inner wall of pin subassembly and motor connecting hole when inserting installation pin subassembly down, both avoid the insertion wear that probably produces when the installation of motor connecting hole inner wall, prolong its life, can effectively avoid radial space too big and produce when using and rock the phenomenon that jolts and cause the pine to take off, guarantee to connect stably.
Description
Technical Field
The invention relates to a coupling, in particular to a coupling for an ultrahigh-temperature high-speed alloy pump.
Background
The delivery pump is a tool for delivering concrete or other materials meeting the pumping conditions to a predetermined destination, and in the prior art, the delivery pump is generally used for pumping materials with lower temperature, and for high-temperature liquid with ultrahigh temperature (100-; therefore, the output power of the motor can be continuously and stably transmitted to the pump body structure in the power transmission process of the motor, and the pump body structure is an important precondition for influencing the stable work of the ultra-high temperature high-speed alloy pump.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a coupling for an ultrahigh-temperature high-speed alloy pump.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a shaft coupling for an ultra-high temperature high-speed alloy pump comprises a motor connecting part, a pump body connecting part and a pin assembly, wherein the motor connecting part is fixedly sleeved on the periphery of a motor output shaft and synchronously rotates with the motor output shaft; the method is characterized in that: the motor connecting hole and the pump body connecting hole are coaxially arranged, the aperture of the motor connecting hole is larger than that of the pump body connecting hole, an elastic sleeve is further filled between the inner wall of the motor connecting hole and the outer wall of the pin assembly, the outer diameter of the elastic sleeve is slightly larger than that of the motor connecting hole, and the inner diameter of the elastic sleeve is slightly smaller than that of the pin assembly.
As a further preferable aspect of the present invention, a motor bolt member is fixedly connected to the bottom of the motor output shaft, a pump body bolt member is fixedly connected to the top of the pump body input shaft, a connecting cavity is formed between the radial middle portion of the motor connecting portion and the radial middle portion of the pump body connecting portion in the axial direction, the motor bolt member and the pump body bolt member are coaxially arranged, and the bottom end of the motor bolt member and the top end of the pump body bolt member are respectively located inside the connecting cavity and have a first axial gap.
As a further preferable aspect of the present invention, a motor connecting retaining ring is provided between an inner wall of the motor connecting portion and an outer wall of the motor bolt member, and a pump body connecting retaining ring is provided between an inner wall of the pump body connecting portion and an outer wall of the pump body bolt member.
As a further preferable scheme of the present invention, the inner wall aperture of the motor connection retaining ring is equal to the inner wall aperture of the pump body connection retaining ring, and the outer diameter of the end portion of the motor connection retaining ring is smaller than the outer diameter of the end portion of the pump body connection retaining ring.
As a further preferable scheme of the present invention, the axial thickness of the motor connecting retaining ring is greater than the axial thickness of the pump body connecting retaining ring, and the motor connecting retaining ring is partially located inside the motor connecting portion and partially located inside the connecting cavity in the axial direction, and the pump body connecting retaining ring is entirely located inside the pump body connecting portion in the axial direction.
As a further preferable scheme of the present invention, the bottom of the motor connection retaining ring is tightly attached to the nut of the motor bolt piece, the inner wall of the motor connection retaining ring is tightly attached to the screw of the motor bolt piece, the top of the motor connection retaining ring is tightly attached to the radial surface of the inner wall stepped groove of the motor connection portion, and the outer wall of the motor connection retaining ring is tightly attached to the axial surface of the inner wall stepped groove of the motor connection portion.
As a further preferable aspect of the present invention, the top of the pump body connection retainer is tightly attached to the nut of the pump body bolt, the inner wall of the pump body connection retainer is tightly attached to the screw of the pump body bolt, the bottom of the pump body connection retainer is tightly attached to the radial surface of the inner wall stepped groove of the pump body connection portion, and the outer wall of the pump body connection retainer is tightly attached to the axial surface of the inner wall stepped groove of the pump body connection portion.
As a further preferable aspect of the present invention, a second axial gap is formed between the radially outer end of the motor connecting portion and the radially outer end of the pump body connecting portion in the axial direction, and a pin retainer ring is externally sleeved on the outer periphery of the pin assembly and located inside the second axial gap.
As a further preferable aspect of the present invention, the nut of the pump body bolt member is located partially inside the second axial gap and partially inside the connecting cavity in the axial direction.
As a further preferable aspect of the present invention, an axial thickness of the pin collar is slightly larger than an axial thickness of the second axial gap, and a radial dimension of the pin collar is slightly smaller than an outer diameter dimension of the elastic sleeve.
The beneficial effects of the invention are:
(1) the invention provides a coupling for an ultra-high temperature high-speed alloy pump, which is characterized in that a motor connecting part which is fixedly connected with a motor output shaft and synchronously rotates is fixedly connected with a pump body connecting part which is fixedly connected with a pump body input shaft and synchronously rotates through a pin component, so that the output power of a motor can be stably and continuously conveyed to a pump body structure.
(2) The invention provides a coupling for an ultra-high temperature high-speed alloy pump, which is characterized in that radial and axial effective limiting is respectively realized on a motor output shaft and a pump body input shaft through the arrangement of a motor connecting retaining ring and a pump body connecting retaining ring, and the stable connection is realized, and meanwhile, the axial and radial dislocation looseness possibly caused in the power transmission process is avoided, so that the power transmission stability is further influenced.
Drawings
FIG. 1 is a schematic structural diagram of a coupling for an ultra-high temperature and high speed alloy pump.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the coupling for an ultra-high temperature high-speed alloy pump provided by the invention comprises a motor connecting part 1 fixedly sleeved on the periphery of a motor output shaft E and rotating synchronously with the motor output shaft E, a pump body connecting part 2 fixedly sleeved on the periphery of a pump body input shaft P and rotating synchronously with the pump body input shaft P, a motor connecting hole 1-1 is formed in the radial outer edge of the bottom of the motor connecting part 1, a pump body connecting hole 2-1 is formed in the radial outer edge of the top of the pump body connecting part 2, and a pin assembly 10 sequentially penetrates through the motor connecting hole 1-1 and the pump body connecting hole 2-1 from top to bottom to realize the connection between the motor connecting part 1 and the pump body connecting part 2; the motor connecting hole 1-1 and the pump body connecting hole 2-1 are coaxially arranged, the aperture of the motor connecting hole 1-1 is larger than that of the pump body connecting hole 2-1, an elastic sleeve 9 is further filled between the inner wall of the motor connecting hole 1-1 and the outer wall of the pin assembly 10, the outer diameter of the elastic sleeve 9 is slightly larger than the inner diameter of the motor connecting hole 1-1, and the inner diameter of the elastic sleeve 9 is slightly smaller than that of the pin assembly 10.
As another preferred embodiment provided by the present invention, a motor bolt member 5 is fixedly connected to the bottom of the motor output shaft E, a pump body bolt member 6 is fixedly connected to the top of the pump body input shaft P, a connecting cavity 7 is formed between the radial middle part of the motor connecting portion 1 and the radial middle part of the pump body connecting portion 2 in the axial direction, the motor bolt member 5 and the pump body bolt member 6 are coaxially arranged, the bottom end of the motor bolt member 5 and the top end of the pump body bolt member 6 are respectively located inside the connecting cavity 7, and a first axial gap H1 exists; the arrangement of the connecting cavity 7 and the first axial gap H1 ensures that when slight dislocation occurs between the motor output shaft and the pump body input shaft to generate small displacement, corresponding movement spaces are provided for the bottom of the motor output shaft E, the axial and radial offsets generated correspondingly by the motor bolt pieces 5 and the pump body bolt pieces 6, thereby avoiding possible damage to the motor connecting part 1 or the pump body connecting part 2 due to direct touch on the inner wall thereof.
As another preferred embodiment provided by the present invention, a motor connecting retaining ring 3 is disposed between the inner wall of the motor connecting portion 1 and the outer wall of the motor bolt member 5, and a pump body connecting retaining ring 4 is disposed between the inner wall of the pump body connecting portion 2 and the outer wall of the pump body bolt member 6, so as to respectively and effectively support and protect the motor output shaft E and the pump body input shaft P through the corresponding retaining rings.
As another preferred embodiment provided by the present invention, the inner wall aperture of the motor connecting retaining ring 3 is equal to the inner wall aperture of the pump body connecting retaining ring 4, and for easy replacement, the motor bolt 5 and the pump body bolt 6 are usually selected from bolts of the same type and size, so the inner wall aperture of the motor connecting retaining ring 3 is set to be equal to the inner wall aperture of the pump body connecting retaining ring 4, the outer diameter of the end portion of the motor connecting retaining ring 3 is smaller than the outer diameter of the end portion of the pump body connecting retaining ring 4, and by means of a larger radial area, even when slight axial misalignment occurs between the motor output shaft and the pump body input shaft to generate a small axial displacement, the top motor output shaft E can be supported.
As another preferred embodiment provided by the invention, the axial thickness of the motor connecting retainer 3 is larger than that of the pump body connecting retainer 4, and the motor connecting retainer ring 3 is partially positioned inside the motor connecting part 1 and partially positioned inside the connecting cavity 7 in the axial direction, the pump body connecting retainer ring 4 is integrally positioned inside the pump body connecting part 2 in the axial direction, and because the output rotating speed of the motor output shaft E is higher on one hand, when the power is output, the power input end is more prone to unexpected unstable conditions, meanwhile, the power input end is more subject to the shaking and bumping conditions when starting and stopping, therefore, the motor connecting retainer ring 3 with longer axial length is required to be arranged on the motor output shaft E to realize stable protection, the motor connecting retainer ring 3 is partially positioned inside the motor connecting part 1 in the axial direction, and partially positioned inside the connecting cavity 7 so as to be convenient for positioning during installation and convenient for disassembly and replacement.
As another preferred embodiment provided by the present invention, the bottom of the motor connection retainer 3 is tightly attached to the nut of the motor bolt 5, the inner wall of the motor connection retainer 3 is tightly attached to the screw of the motor bolt 5, the top of the motor connection retainer 3 is tightly attached to the radial surface of the inner wall stepped groove of the motor connection portion 1, the outer wall of the motor connection retainer 3 is tightly attached to the axial surface of the inner wall stepped groove of the motor connection portion 1, and the axial and radial position limitation of the motor connection retainer 3 is effectively achieved through the inner wall stepped groove of the motor connection portion 1 and the stepped groove formed between the nut and the stud of the motor bolt 5.
As another preferred embodiment provided by the present invention, the top of the pump body connection retainer 4 is tightly attached to the nut of the pump body bolt 6, the inner wall of the pump body connection retainer 4 is tightly attached to the screw of the pump body bolt 6, the bottom of the pump body connection retainer 4 is tightly attached to the radial surface of the inner wall stepped groove of the pump body connection portion 2, the outer wall of the pump body connection retainer 4 is tightly attached to the axial surface of the inner wall stepped groove of the pump body connection portion 2, and the axial and radial limitation of the pump body connection retainer 4 is effectively achieved through the inner wall stepped groove of the pump body connection portion 2 and the stepped groove formed between the nut and the stud of the pump body bolt 6.
As another preferred embodiment provided by the present invention, a second axial gap H2 is formed between the radially outer end of the motor connecting portion 1 and the radially outer end of the pump body connecting portion 2 in the axial direction, the second axial gap H2 is used for realizing a small axial displacement caused by a slight axial misalignment between the motor output shaft and the pump body input shaft, and also provides an axial accommodating space for the pin retainer 11, the pin retainer 11 is externally sleeved on the outer periphery of the pin assembly 10 and located inside the second axial gap H2, and the pin assembly 10 is effectively protected by the pin retainer 11.
As another preferred embodiment provided by the present invention, the nut of the pump body bolt 6 is partially located inside the second axial gap H2 in the axial direction and partially located inside the connecting cavity 7, so that the nut of the pump body bolt 6 is always partially located inside the connecting cavity 7 during power transmission, which is not only beneficial to protecting the pump body bolt 6 from radial unexpected separation during power transmission, but also can reduce the entry of external large-particle impurities, such as water vapor, into the connecting cavity 7 to corrode the motor bolt and the pump body bolt, and when the motor connecting portion 1 is installed on the top of the pump body connecting portion 2, the axial positioning can be conveniently achieved by detecting whether the pump body bolt 6 is partially covered.
As another preferred embodiment provided by the present invention, the axial thickness of the pintle retainer 11 is slightly greater than the axial thickness of the second axial gap H2 so that the pintle retainer 11 can be stably pressed inside the second axial gap H2 to achieve effective sealing and protection for the pintle assembly, and the radial dimension of the pintle retainer 11 is slightly smaller than the outer diameter dimension of the elastic sleeve 9 so as to avoid the pintle retainer 11 from being unexpectedly removed in the radial direction and possibly damaged; preferably, the pin retainer 11 is made of an elastic member to facilitate the pressing deformation.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A shaft coupling for an ultra-high temperature high-speed alloy pump comprises a motor connecting part (1) fixedly sleeved on the periphery of a motor output shaft (E) and synchronously rotating with the motor output shaft (E), a pump body connecting part (2) fixedly sleeved on the periphery of a pump body input shaft (P) and synchronously rotating with the pump body input shaft (P), a motor connecting hole (1-1) is formed in the radial outer edge of the bottom of the motor connecting part (1), a pump body connecting hole (2-1) is formed in the radial outer edge of the top of the pump body connecting part (2), and a pin assembly (10) sequentially penetrates through the motor connecting hole (1-1) and the pump body connecting hole (2-1) from top to bottom to realize the connection between the motor connecting part (1) and the pump body connecting part (2); the pump body is characterized in that the motor connecting hole (1-1) and the pump body connecting hole (2-1) are coaxially arranged, the aperture of the motor connecting hole (1-1) is larger than that of the pump body connecting hole (2-1), and an elastic sleeve (9) is filled between the inner wall of the motor connecting hole (1-1) and the outer wall of the pin component (10), and is characterized in that: the outer diameter of the elastic sleeve (9) is slightly larger than the inner diameter of the motor connecting hole (1-1), and the inner diameter of the elastic sleeve (9) is slightly smaller than the outer diameter of the pin assembly (10);
A motor bolt piece (5) is fixedly connected to the bottom of the motor output shaft (E), a pump body bolt piece (6) is fixedly connected to the top of the pump body input shaft (P), a connecting cavity (7) is formed between the radial middle part of the motor connecting part (1) and the radial middle part of the pump body connecting part (2) in the axial direction, the motor bolt piece (5) and the pump body bolt piece (6) are coaxially arranged, the bottom end of the motor bolt piece (5) and the top end of the pump body bolt piece (6) are respectively located in the connecting cavity (7), and a first axial gap (H1) exists;
a motor connecting check ring (3) is arranged between the inner wall of the motor connecting part (1) and the outer wall of the motor bolt piece (5), and a pump body connecting check ring (4) is arranged between the inner wall of the pump body connecting part (2) and the outer wall of the pump body bolt piece (6);
the axial thickness of the motor connecting retainer ring (3) is greater than that of the pump body connecting retainer ring (4), the motor connecting retainer ring (3) is partially positioned in the motor connecting portion (1) in the axial direction, the motor connecting retainer ring is partially positioned in the connecting cavity (7), and the pump body connecting retainer ring (4) is integrally positioned in the pump body connecting portion (2) in the axial direction.
2. The coupling for an ultra high temperature high speed alloy pump according to claim 1, wherein: the inner wall aperture of the motor connecting retainer ring (3) is equal to the inner wall aperture of the pump body connecting retainer ring (4), and the outer diameter of the end part of the motor connecting retainer ring (3) is smaller than that of the end part of the pump body connecting retainer ring (4).
3. The coupling for an ultra high temperature high speed alloy pump according to claim 1, wherein: the bottom that retaining ring (3) was connected to the motor is hugged closely the nut of motor bolt spare (5), the inner wall that retaining ring (3) was connected to the motor is hugged closely the screw rod of motor bolt spare (5), the top that retaining ring (3) was connected to the motor is hugged closely the radial face in the inner wall ladder groove of motor connecting portion (1), the outer wall that retaining ring (3) was connected to the motor is hugged closely the axial face in the inner wall ladder groove of motor connecting portion (1).
4. The coupling for the ultra-high temperature high speed alloy pump according to claim 1, wherein: the top of pump body connection retaining ring (4) is hugged closely the nut of pump body bolt spare (6), the inner wall of pump body connection retaining ring (4) is hugged closely the screw rod of pump body bolt spare (6), the bottom of pump body connection retaining ring (4) is hugged closely the radial face in the inner wall ladder groove of pump body connecting portion (2), the outer wall of pump body connection retaining ring (4) is hugged closely the axial face in the inner wall ladder groove of pump body connecting portion (2).
5. The coupling for the ultra-high temperature high speed alloy pump according to claim 1, wherein: and a second axial gap (H2) is formed between the radial outer end of the motor connecting part (1) and the radial outer end of the pump body connecting part (2) in the axial direction, and a pin retainer ring (11) is sleeved on the periphery of the pin assembly (10) and is positioned in the second axial gap (H2).
6. The coupling for an ultra high temperature high speed alloy pump according to claim 5, wherein: the nut of the pump body bolt (6) is axially located partly inside the second axial gap (H2) and partly inside the connecting cavity (7).
7. The coupling for the ultra-high temperature high speed alloy pump according to claim 5, wherein: the axial thickness of the pin retainer ring (11) is slightly larger than that of the second axial gap (H2), and the radial dimension of the pin retainer ring (11) is slightly smaller than the outer diameter of the elastic sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110965441.5A CN113685448B (en) | 2021-08-20 | 2021-08-20 | Coupling for ultra-high temperature high-speed alloy pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110965441.5A CN113685448B (en) | 2021-08-20 | 2021-08-20 | Coupling for ultra-high temperature high-speed alloy pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113685448A CN113685448A (en) | 2021-11-23 |
| CN113685448B true CN113685448B (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110965441.5A Active CN113685448B (en) | 2021-08-20 | 2021-08-20 | Coupling for ultra-high temperature high-speed alloy pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113685448B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB571470A (en) * | 1943-05-04 | 1945-08-27 | Thomas Levi Fawick | Improvements in or relating to flexible couplings |
| FR1309899A (en) * | 1961-10-06 | 1962-11-23 | Luxembourg Brev Participations | Improvements to elastic couplings |
| CN201896879U (en) * | 2010-11-23 | 2011-07-13 | 安徽省天马泵阀集团有限公司 | Coupler device for multi-stage pump |
| CN104696375A (en) * | 2013-12-05 | 2015-06-10 | 山东双轮股份有限公司 | Rigid coupling structure |
| CN205639043U (en) * | 2016-05-20 | 2016-10-12 | 石家庄工业泵厂有限公司 | Make things convenient for elastic sleeve pin coupling of dismouting |
| CN206513730U (en) * | 2016-12-09 | 2017-09-22 | 四川中车玉柴发动机股份有限公司 | A kind of diesel generating set shaft coupling |
-
2021
- 2021-08-20 CN CN202110965441.5A patent/CN113685448B/en active Active
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| CN113685448A (en) | 2021-11-23 |
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