CN215240592U - A dismounting device for multiple model water pump impeller - Google Patents
A dismounting device for multiple model water pump impeller Download PDFInfo
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- CN215240592U CN215240592U CN202121168902.8U CN202121168902U CN215240592U CN 215240592 U CN215240592 U CN 215240592U CN 202121168902 U CN202121168902 U CN 202121168902U CN 215240592 U CN215240592 U CN 215240592U
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Abstract
The utility model discloses a dismounting device for water pump impellers of various models, which comprises a supporting component, a pushing component and an adapter plate, wherein the pushing component and the adapter plate are arranged on the supporting component; the impeller and the adapter plate are oppositely arranged, the adapter plate is detachably fixed on the impeller, the impeller reciprocates relative to the adapter plate, and the impeller can eject the pump shaft out of the impeller when moving towards the adapter plate. Through the arrangement of the pushing piece and the adapter plate, the pushing piece and the support assembly are matched for use, so that the pushing piece can separate the impeller fixed on the adapter plate from the pump shaft, and the disassembly operation can be completed quickly and efficiently. The impeller moves by itself to separate the pump shaft from the impeller without violent knocking by tools such as copper bars and the like, so that the impeller and the pump shaft are prevented from being damaged, and the disassembly process is safe and reliable.
Description
Technical Field
The utility model relates to a mechanical assembly field, in particular to a dismounting device for multiple model water pump impeller.
Background
The axial flow pump is a pump with large flow and low pumping degree, and can pump clear water or rainwater, river water, sewage and other similar liquid media below 40 ℃. The method is widely applied to agricultural irrigation, urban water supply and drainage, circulating water delivery of thermal power stations or other hydraulic engineering. When the axial-flow pump is used, the internal structure of the axial-flow pump needs to be maintained regularly or maintained and replaced, the impeller needs to be disassembled firstly at the moment to operate the internal structure of the axial-flow pump, and the impeller and the pump shaft are used as main components of the axial-flow pump and are maintained and repaired in time.
However, because the clearance between the pump shaft and the impeller of the pump is too small, the pump can be corroded after long-time operation, the impeller and the pump shaft are clamped, and the impeller and the pump shaft are not easy to separate. At present, when technicians detach the impeller, tools such as a copper bar are often used for knocking the pump shaft, so that the connection between the pump shaft and the impeller is loosened, and then a thin bolt is screwed into a bolt hole to eject the impeller a little. The disassembly mode is time-consuming and labor-consuming, and the impeller and the pump shaft are easily damaged in the disassembly process.
Therefore, how to separate the impeller from the pump shaft efficiently is a problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the impeller is efficiently and quickly disassembled from the pump shaft, and meanwhile, the impeller and the pump shaft are prevented from being damaged.
The purpose of the utility model is realized through the following technical scheme:
a dismounting device for water pump impellers of various models comprises a supporting component, a pushing component and an adapting plate, wherein the pushing component is mounted on the supporting component; the impeller and the adapter plate are oppositely arranged, the adapter plate is detachably fixed on the impeller, the impeller reciprocates relative to the adapter plate, and the impeller can eject the pump shaft out of the impeller when moving towards the adapter plate. The impeller fixed on the adapter plate can be separated from the pump shaft by the pushing piece, so that the disassembly operation can be completed quickly and efficiently. And tools such as copper bars and the like are not needed to be used for violent knocking, so that the damage to the pump shaft of the turbine is avoided, and the disassembly process is safe and reliable.
As a preferred technical scheme, a through hole for pushing the pushing piece is formed in the adapter plate, a threaded hole corresponding to the impeller is further formed in the adapter plate, and a bolt sequentially penetrates through the adapter plate and the threaded hole in the impeller and is locked to fix the impeller on the adapter plate; and at least two threaded holes on the adapter plate form a group. The adapter plate is at least provided with two threaded holes, the adapter plate is locked with the impeller through bolts, the impeller is fixed on the adapter plate, and the adapter plate is also provided with a through hole corresponding to the pump shaft, so that the pump shaft can be ejected out by the pushing piece.
As a preferred technical scheme, N groups of threaded holes suitable for impellers of different sizes are formed in the adapter plate, and N is an integer larger than 1. This scheme is as an implementation of adapter plate, has seted up the multiunit screw hole on this kind of adapter plate, and every group screw hole corresponds the impeller of a model to an adapter plate can be fit for the polytypic impeller, save material, and uses extensively, when dismantling the impeller of different models, avoids frequently changing the adapter plate.
As a preferred technical scheme, the number of the adapter plates is at least two, and each adapter plate is adapted to impellers with different sizes. This scheme is as another kind of embodiment of adapter plate, and this kind of adapter plate has multiple specification to the impeller of the various models of adaptation, to the comparatively close impeller of some sizes, the screw hole of the same position of both, the position on the adapter plate is close, should not trompil on same adapter plate, can influence the life of adapter plate, reduces the mechanical strength of adapter plate simultaneously.
As a preferred technical solution, the supporting component includes a base, a first supporting plate and a second supporting plate mounted on the base, and a connecting screw rod connecting the first supporting plate and the second supporting plate; wherein the adapter plate is mounted on the first support plate, and the pushing member is mounted on the second support plate. Through set up connecting screw between first backup pad and second backup pad, can effectively increase the holistic stability of supporting component. And the relative position between the first supporting plate and the second supporting plate is stable, so that the pushing piece can accurately contact with the pump shaft and push out the pump shaft.
As a preferred technical scheme, the support assembly further comprises 2 height adjusting plates, and the height adjusting plates are respectively connected with the first support plate and the second support plate through bolts and nuts;
a strip-shaped hole is formed in the height adjusting plate, a through hole is formed in the second supporting plate, and the bolt penetrates through the strip-shaped hole, the through hole and the nut to be matched with the first supporting plate and the second supporting plate to be locked on the height adjusting plate. In the actual disassembly process, the pump shaft and the impeller often do not exist independently of the axial flow pump, most of the time, a plurality of other parts are connected behind the pump shaft and are heightened through arrangement, so that the overall height of the disassembly device is adjustable, the disassembly device is convenient to adapt to the axial flow pump, the axial flow pump does not need to be moved, and the disassembly operation can be completed conveniently.
As a preferred technical scheme, the number of the connecting screw rods is 4, and the connecting screw rods are arranged on the first supporting plate and the second supporting plate at equal intervals. The installation firmness of the whole supporting assembly is improved, and the stress of the first supporting plate and the adaptive plate is more uniform during the disassembly operation.
As the preferred technical scheme, the first supporting plate is provided with a step and a threaded hole which are matched with the adapter plate, and the adapter plate is fixed on the first supporting plate through the threaded hole.
As a preferable technical scheme, one end of the pushing piece, which can freely stretch and retract, is a spherical surface. The scheme is used as an implementation mode and is suitable for the condition that the vertex of the pump shaft is an arc concave surface, and at the moment, the spherical end of the pushing piece can be in better contact with the pump shaft, so that the stress area is increased.
As a preferred technical scheme, the pushing piece is a jack or a hydraulic cylinder.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. The skilled person will understand that there are many combinations, which are the technical solutions to be protected by the present invention, and the embodiments are not exhaustive, according to the prior art and the common general knowledge.
The utility model has the advantages that: through the arrangement of the pushing piece and the adapter plate, the pushing piece and the support assembly are matched for use, so that the pushing piece can separate the impeller fixed on the adapter plate from the pump shaft, and the disassembly operation can be completed quickly and efficiently. The impeller moves by itself to separate the pump shaft from the impeller without violent knocking by tools such as copper bars and the like, so that the impeller and the pump shaft are prevented from being damaged, and the disassembly process is safe and reliable.
Drawings
Fig. 1 is a plan view of a detaching device according to embodiment 1 of the present invention;
fig. 2 is a front view of the dismounting device of embodiment 1 of the present invention;
fig. 3 is a left side view of the detaching device of embodiment 1 of the present invention;
in the figure, 1 is first backup pad, 2 is the second backup pad, 3 is the adapter plate, 4 is the through-hole, 5 is the screw hole, 6 is the base, 7 is connecting screw, 8 is the impeller, 9 is the altitude mixture control board, and 10 is the bar hole.
Detailed Description
This scheme is a dismounting device, can be used to the impeller of multiple model. Traditional axial-flow pump, because of the needs of maintenance or overhaul of the equipments, often will pull down the impeller from the pump shaft, however, the inventor finds that, because the clearance undersize of pump shaft and impeller, can produce the corrosion after the long-time operation of pump, causes impeller and pump shaft card dead phenomenon, leads to difficult separation between impeller and the pump shaft. When the impeller is disassembled, technicians generally knock the pump shaft by using tools such as a copper bar and the like to loosen the connection between the pump shaft and the impeller, and then push the impeller out. The disassembly mode is time-consuming and labor-consuming, and easily causes damage to the impeller and the pump shaft. Based on this, the inventor designs a dismounting device convenient to impeller and pump shaft separation, and is high-efficient quick, safe and reliable.
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Example one
A dismounting device for various types of water pump impellers, as shown in figures 1, 2 and 3, comprises a supporting assembly, a pushing piece 8 mounted on the supporting assembly and an adapter plate 3; the pushing piece 8 and the adapter plate 3 are oppositely arranged, the adapter plate 3 is detachably fixed on the impeller, the pushing piece 8 reciprocates relative to the adapter plate 3, and the pump shaft can be ejected out of the impeller when the pushing piece 8 moves towards the adapter plate 3. The scheme is worth mentioning that the impeller 8 and the adapter plate 3 are arranged and matched with the supporting assembly for use, so that the impeller 8 can separate the impeller fixed on the adapter plate 3 from the pump shaft, and the disassembly operation can be completed quickly and efficiently. The pushing piece 8 moves by itself to separate the pump shaft from the impeller without violent knocking by tools such as a copper bar and the like, so that the impeller and the pump shaft are prevented from being damaged, and the disassembly process is safe and reliable. In addition, the common pushing member 8 may be a jack or a hydraulic cylinder, and those skilled in the art can certainly understand that other components having the same pushing function also belong to the protection scope of the present embodiment, and the embodiment is not exhaustive.
Specifically, the above-mentioned support assembly includes a base 6, a first support plate 1 and a second support plate 2 mounted on the base 6, and a connecting screw 7 connecting the first support plate 1 and the second support plate 2; wherein the adapter plate 3 is mounted on the first support plate 1 and the pushing member 8 is mounted on the second support plate 2. By arranging the connecting screw 7 between the first support plate 1 and the second support plate 2, the overall stability of the support assembly can be effectively increased. And the relative position between the first supporting plate 1 and the second supporting plate 2 is stable, so that the pushing piece 8 can be accurately contacted with the pump shaft and can push out the pump shaft. In order to improve the overall installation firmness of the supporting assembly and ensure that the stress of the first supporting plate 1 and the adapter plate 3 is more uniform during the disassembly operation, 4 connecting screw rods 7 are arranged between the first supporting plate 1 and the second supporting plate 2, and the connecting screw rods 7 are equidistantly arranged on the first supporting plate 1 and the second supporting plate 2.
In addition, in order to facilitate the installation of the adapter plate 3 on the first support plate 1, the present embodiment gives a specific assembly manner. Namely, the first supporting plate 1 is provided with a step and a threaded hole which are matched with the adapter plate 3, and the adapter plate 3 is fixed on the first supporting plate 1 through the threaded hole. A through hole 4 for pushing the pushing piece 8 is formed in the adapter plate 3, a threaded hole 5 corresponding to the impeller is further formed in the adapter plate, and a bolt sequentially penetrates through the adapter plate 3 and the threaded hole 5 in the impeller and is locked to fix the impeller on the adapter plate 3; and at least two of the threaded holes 5 on the adapter plate 3 form a group. At least two threaded holes 5 are formed in the adapter plate 3, 4 threaded holes 5 are formed in the adapter plate, the adapter plate is identical to a threaded hole in an impeller in specification and is corresponding in position, the adapter plate 3 is locked with the impeller through a bolt, the impeller is fixed on the adapter plate 3, and a through hole 4 corresponding to the pump shaft is formed in the adapter plate 3, so that the pump shaft is ejected out by the pushing piece 8.
It is worth mentioning that the above mentioned adapter plate 3 is provided with a plurality of groups of threaded holes 5 suitable for impellers of different sizes. This scheme is as an implementation mode of adapter plate 3, has seted up multiunit screw hole 5 on this kind of adapter plate 3, and every group screw hole 5 corresponds the impeller of a model to an adapter plate 3 can be fit for the polytypic impeller, save material, and use extensively, when dismantling the impeller of different models, avoids frequently changing adapter plate 3.
In practical use, the pump shaft and the impeller often do not exist independently of the axial flow pump, and most of the time, a plurality of other components are connected behind the pump shaft and the impeller, so that the position of the impeller is inconvenient to move during disassembly. Therefore, the inventor designs a preferable technical scheme, so that the overall height of the dismounting device is adjustable. Specifically, the support assembly further comprises 2 height adjusting plates 9, and the height adjusting plates 9 are respectively connected with the first support plate 1 and the second support plate 2 through bolts and nuts; a strip-shaped hole 10 is formed in the height adjusting plate 9, a through hole 4 is formed in the second supporting plate 2, and the bolt penetrates through the strip-shaped hole 10, the through hole 4 and the nut matched with the first supporting plate 1 and the second supporting plate 2 to be locked on the height adjusting plate 9. In the actual disassembly process, the height-adjusting component is arranged, so that the overall height of the disassembly device is adjustable, the disassembly device is convenient to adapt to the axial flow pump, the axial flow pump does not need to be moved, and the disassembly operation can be conveniently completed.
In the actual disassembly process:
firstly, determining the model size of an impeller, and determining a corresponding threaded hole 5 on an adapter plate 3;
placing the adapter plate 3 on the step of the first support plate 1, and sequentially passing bolts through the first support plate 1 and the threaded holes 5 on the adapter plate 3 and locking, so that the adapter plate 3 is fixed on the first support plate 1;
adjusting the overall height of the dismounting device, improving the screwing of the bolt on the height adjusting plate 9, enabling the first support plate 1 and the second support plate 2 to move on the height adjusting plate 9, locking the bolt after determining the height corresponding to the impeller, and fixing the first support plate 1 and the second support plate 2 on the height adjusting plate 9;
the impeller is fixed on the adapter plate 3 through a bolt, and a pump shaft is determined to be aligned to a through hole 4 of the adapter plate 3;
and (3) opening the pushing piece 8, and moving the free end of the pushing piece 8 towards the through hole 4 to be in contact with the pump shaft and then driving the pump shaft to be far away from the impeller until the impeller is separated from the pump shaft.
In summary, the impeller 8 and the adapter plate 3 are arranged and matched with the supporting assembly, so that the impeller 8 can separate the impeller fixed on the adapter plate 3 from the pump shaft, and the disassembly operation can be completed quickly and efficiently. The pushing piece 8 moves by itself to separate the pump shaft from the impeller without violent knocking by tools such as a copper bar and the like, so that the impeller and the pump shaft are prevented from being damaged, and the disassembly process is safe and reliable.
Example two
The second embodiment is an alternative of the first embodiment, and the main difference is that the adapter plate is designed differently, and the other contents are substantially the same as those of the first embodiment. Only the differences of the present embodiment are described in detail, and the rest of the description refers to the content of the first embodiment, which is not repeated herein.
Specifically, the number of the adapter plates is at least two, threaded holes corresponding to the threaded holes of the impellers are formed in the adapter plates, and each adapter plate is adapted to impellers with different sizes. This scheme is as another kind of implementation mode of adapter plate, and this kind of adapter plate has multiple specification to the impeller of adaptation various models, especially for some comparatively close impeller of size, the screw hole of the same position of both is close in the position on the adapter plate, if trompil on same adapter plate, can influence the life of adapter plate, reduces the mechanical strength of adapter plate simultaneously. Therefore, the impeller with the close size can be better disassembled by the adapter plate with various specifications.
EXAMPLE III
The third embodiment is substantially the same as the first embodiment or the second embodiment, and the third embodiment is a further optimization of the first embodiment or the second embodiment.
Specifically, as a preferred technical scheme, one end of the pushing member, which can freely stretch and retract, is a spherical surface. The scheme is used as an implementation mode and is suitable for the condition that the vertex of the pump shaft is an arc concave surface, and at the moment, the spherical end of the pushing piece can be in better contact with the pump shaft, so that the stress area is increased.
The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a dismounting device for multiple model water pump impeller which characterized in that: the dismounting device comprises a supporting component, a pushing piece and an adapter plate, wherein the pushing piece is installed on the supporting component; the impeller and the adapter plate are oppositely arranged, the adapter plate is detachably fixed on the impeller, the impeller reciprocates relative to the adapter plate, and the impeller can eject the pump shaft out of the impeller when moving towards the adapter plate.
2. The dismounting device for the water pump impellers of various models as claimed in claim 1, characterized in that: the adapter plate is provided with a through hole for pushing the pushing piece in and a threaded hole corresponding to the impeller, and a bolt sequentially penetrates through the adapter plate and the threaded hole in the impeller and is locked to fix the impeller on the adapter plate; and at least two threaded holes on the adapter plate form a group.
3. A dismounting device for multiple models of water pump impellers as claimed in claim 2, characterized in that: n groups of threaded holes suitable for impellers of different sizes are formed in the adapter plate, and N is an integer larger than 1.
4. A dismounting device for multiple models of water pump impellers as claimed in claim 2, characterized in that: the number of the adapting plates is at least two, and each adapting plate is adapted to impellers with different sizes.
5. A dismounting device for water pump impellers of various types according to any one of claims 1 to 4, characterized in that: the supporting component comprises a base, a first supporting plate, a second supporting plate and a connecting screw rod, wherein the first supporting plate and the second supporting plate are arranged on the base; wherein the adapter plate is mounted on the first support plate, and the pushing member is mounted on the second support plate.
6. The dismounting device for the water pump impellers of various models as claimed in claim 5, wherein: the support assembly further comprises 2 height adjusting plates, and the height adjusting plates are respectively connected with the first support plate and the second support plate through bolts and nuts;
a strip-shaped hole is formed in the height adjusting plate, a through hole is formed in the second supporting plate, and the bolt penetrates through the strip-shaped hole, the through hole and the nut to be matched with the first supporting plate and the second supporting plate to be locked on the height adjusting plate.
7. The dismounting device for the water pump impellers of various models as claimed in claim 5, wherein: the connecting screw rods are 4, and the connecting screw rods are arranged on the first supporting plate and the second supporting plate at equal intervals.
8. The dismounting device for the water pump impellers of various models as claimed in claim 5, wherein: the first supporting plate is provided with a step and a threaded hole which are matched with the adapter plate, and the adapter plate is fixed on the first supporting plate through the threaded hole.
9. A dismounting device for water pump impellers of various types according to any one of claims 1 to 4, characterized in that: one end of the pushing piece, which can freely stretch out and draw back, is a spherical surface.
10. A dismounting device for water pump impellers of various types according to any one of claims 1 to 4, characterized in that: the pushing piece is a jack or a hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121168902.8U CN215240592U (en) | 2021-05-27 | 2021-05-27 | A dismounting device for multiple model water pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121168902.8U CN215240592U (en) | 2021-05-27 | 2021-05-27 | A dismounting device for multiple model water pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215240592U true CN215240592U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121168902.8U Active CN215240592U (en) | 2021-05-27 | 2021-05-27 | A dismounting device for multiple model water pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215240592U (en) |
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2021
- 2021-05-27 CN CN202121168902.8U patent/CN215240592U/en active Active
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