CN114135490A - Centrifugal pump - Google Patents
Centrifugal pump Download PDFInfo
- Publication number
- CN114135490A CN114135490A CN202111565631.4A CN202111565631A CN114135490A CN 114135490 A CN114135490 A CN 114135490A CN 202111565631 A CN202111565631 A CN 202111565631A CN 114135490 A CN114135490 A CN 114135490A
- Authority
- CN
- China
- Prior art keywords
- pump
- force measuring
- impeller
- shaft
- centrifugal pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- 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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a centrifugal pump, which relates to the technical field of centrifugal pumps and mainly aims to enable the installation operation of the centrifugal pump to be simpler and more convenient and avoid material waste; and simultaneously, the accuracy of the torque measurement of the force measuring device is improved. The main technical scheme of the invention is as follows: the centrifugal pump comprises a pump body, wherein the pump body comprises a pump shaft and an impeller, and the impeller comprises a mounting hole; the force measuring mechanism comprises a shaft head and a force measuring part, the force measuring part is connected with the pump shaft, the shaft head comprises a first end and a second end, the first end is connected with the force measuring part, and the outer diameter of the shaft head is gradually reduced from the first end to the second end; the profile shape of mounting hole with the profile shape phase-match of spindle nose, the impeller passes through the mounting hole cup joint in the spindle nose and with spindle nose interference fit, the spindle nose is used for adjusting the axial volume of scurrying of impeller.
Description
Technical Field
The invention relates to the technical field of centrifugal pumps, in particular to a centrifugal pump.
Background
In order to ensure the normal work of the centrifugal pump, hydraulic components such as an impeller and a guide vane need to be replaced and maintained regularly, the impeller and the guide vane need to be installed accurately after being disassembled, and in addition, the radial force of the impeller needs to be monitored so that the release pump set can work normally.
At present, when an impeller is installed, shafts with different lengths are generally required to be machined and manufactured, and then the shafts with corresponding lengths are selected to be installed to adjust the axial position of the impeller so as to meet the relative position relation of the impeller and guide vanes, so that streamline required by the impeller and the guide vanes is realized, the operation is complex, and materials are wasted. Moreover, the force measuring device is usually installed between the motor shaft and the pump shaft and used for measuring the torque required by the rotation of the pump shaft, a certain deformation amount is inevitably generated due to the fact that the pump shaft has a certain length, and the force measuring device needs to measure the torque of the shaft head through the pump shaft, so that the accuracy of a measuring result is low.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a centrifugal pump, mainly aiming to make the installation operation of the centrifugal pump simpler and more convenient, and avoid wasting materials; and simultaneously, the accuracy of the torque measurement of the force measuring device is improved.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
an embodiment of the present invention provides a centrifugal pump, including:
a pump body including a pump shaft and an impeller, the impeller including a mounting hole;
the force measuring mechanism comprises a shaft head and a force measuring part, the force measuring part is connected with the pump shaft, the shaft head comprises a first end and a second end, the first end is connected with the force measuring part, and the outer diameter of the shaft head is gradually reduced from the first end to the second end;
the profile shape of mounting hole with the profile shape phase-match of spindle nose, the impeller passes through the mounting hole cup joint in the spindle nose and with spindle nose interference fit, the spindle nose is used for adjusting the axial volume of scurrying of impeller.
Further, the pump body further comprises a conductive slip ring, wherein the conductive slip ring comprises an inner ring and an outer ring which is rotationally connected with the inner ring; the inner ring is sleeved on the pump shaft;
an installation channel is arranged in the pump shaft;
the force measuring part is electrically connected with the inner ring through a lead, and the lead is arranged in the mounting channel.
Furthermore, the force measuring mechanism further comprises a wireless communication module, the wireless communication module is electrically connected with the force measuring part, and the wireless communication module is used for being in wireless connection with external equipment.
Further, the pump body further comprises a guide vane, and the guide vane is sleeved on the periphery of the impeller;
the force measuring mechanism further comprises a sealing element, the sealing element is respectively connected with the shaft head and the force measuring part, and the shaft head and the force measuring part are rotatably connected with the guide vane through the sealing element.
Further, the pump body further comprises a housing, the guide vanes are connected with the housing, and the impeller and the guide vanes are located outside the housing;
the force measuring mechanism is located on the outer side of the shell.
Further, the centrifugal pump further comprises:
the output shaft of the driving part is connected with the pump shaft;
the pump comprises a fixed platform, a pump body and a control device, wherein the fixed platform is provided with a pump shell which is provided with a mounting opening;
the movable platform is movably arranged on the fixed platform along the direction towards or away from the mounting opening;
the pump body and the driving part are arranged on the moving platform, the pump shell, the pump body and the driving part are coaxially arranged, and the impeller faces the mounting opening.
Furthermore, a track is arranged on the fixed platform;
the movable platform is provided with a roller wheel, and the roller wheel is in rolling connection with the track.
Further, the pump body is arranged on the mobile platform through a first placing plate;
the driving part is arranged on the moving platform through a second placing plate.
Further, the centrifugal pump further comprises:
and the adjusting part is arranged on the second placing plate and is used for adjusting the mounting position of the driving part on the moving platform.
Furthermore, the adjusting part comprises a fixing piece and an adjusting bolt, a threaded hole is formed in the fixing piece, the adjusting bolt is connected in the threaded hole in a threaded manner, and the adjusting bolt is abutted to the base of the driving part;
the number of the fixing pieces and the number of the adjusting bolts are at least two respectively, and the at least two adjusting bolts are correspondingly in threaded connection in threaded holes of the at least two fixing pieces;
the number of the adjusting parts is at least four, and the adjusting parts are arranged oppositely in pairs.
By means of the technical scheme, the invention at least has the following beneficial effects:
the centrifugal pump provided by the embodiment of the invention comprises a force measuring mechanism, wherein the force measuring mechanism comprises a force measuring part connected with a pump shaft and a shaft head connected with the force measuring part, an impeller is connected with the shaft head in an interference fit manner, and the shaft head is in a cone shape because the outer diameter of the shaft head is gradually reduced from the first end to the second end of the shaft head, so that the installation position of the impeller on the shaft head can be changed by changing the diameter of an impeller installation hole, thereby realizing the adjustment of the axial displacement of the impeller, meeting the relative position between the impeller and a guide vane, avoiding the need of reprocessing and manufacturing shafts with different lengths and dismounting and mounting shafts with corresponding lengths, being simple and convenient to operate, avoiding the waste of materials and not influencing the installation precision of the shafts; and the force measuring part of the force measuring mechanism is directly connected with the impeller through the shaft head, so that the influence of the deformation of the pump shaft on the measuring result is reduced, and the accuracy of the measuring result is improved.
Drawings
Fig. 1 is a schematic structural diagram of a pump body in a centrifugal pump provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a centrifugal pump provided by an embodiment of the invention at a first view angle;
fig. 3 is a schematic structural diagram of another centrifugal pump provided by the embodiment of the invention at a second view angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the scope of the present embodiment.
As shown in fig. 1, the embodiment of the present invention provides a centrifugal pump, including a pump body 1, the pump body 1 including a pump shaft 11 and an impeller 12, the impeller 12 including a mounting hole 121; the force measuring mechanism 2 comprises a shaft head 21 and a force measuring part 22, the force measuring part 22 is connected with the pump shaft 11, the shaft head 21 comprises a first end 211 and a second end 212, the first end 211 is connected with the force measuring part 22, and the outer diameter of the shaft head 21 is gradually reduced from the first end 211 to the second end 212; the contour shape of the mounting hole 121 is matched with the contour shape of the shaft head 21, the impeller 12 is sleeved on the shaft head 21 through the mounting hole 121 and is in interference fit with the shaft head 21, and the shaft head 21 is used for adjusting the axial displacement of the impeller 12.
In the embodiment of the present invention, the spindle head 21 of the force measuring mechanism 2 may be connected to the force measuring portion 22 through a fastener such as a bolt, so that the force measuring mechanism 2 forms an integral structure, meanwhile, the force measuring portion 22 of the force measuring mechanism 2 may also be connected to the pump shaft 11 through a fastener such as a bolt, and specifically, the force measuring portion 22 may be a torque meter. Moreover, the outer diameter of the shaft head 21 is gradually reduced from the first end 211 to the second end 212 thereof, so that the shaft head 21 is in a cone shape, the mounting hole 121 of the impeller 12 may be a cone-shaped hole matched with the shaft head 21, and the taper of the mounting hole 121 may be the same as that of the shaft head 21, so as to facilitate the mounting and matching of the impeller 12 on the shaft head 21.
The centrifugal pump provided by the embodiment of the invention comprises a force measuring mechanism 2, wherein the force measuring mechanism 2 comprises a force measuring part 22 connected with a pump shaft 11 and a shaft head 21 connected with the force measuring part 22, an impeller 12 is connected with the shaft head 21 in an interference fit manner, and the shaft head 21 is in a cone shape as the outer diameter of the shaft head 21 is gradually reduced from a first end 211 to a second end 212 of the shaft head, so that the installation position of the impeller 12 on the shaft head 21 can be changed by changing the diameter of an installation hole 121 of the impeller 12, the axial displacement of the impeller 12 is adjusted, the relative position between the impeller 12 and a guide vane is met, shafts with different lengths and shafts with corresponding lengths do not need to be manufactured and disassembled, the operation is simple and convenient, the waste of materials is avoided, and the installation accuracy of the shafts is not influenced; moreover, the force measuring part 22 of the force measuring mechanism 2 is connected with the shaft head 21, namely, the shaft head 21 is directly connected with the impeller 12, so that the influence of the deformation of the pump shaft 11 on the measuring result is reduced, and the accuracy of the measuring result is improved.
It should be noted that the installation position of the impeller 12 on the shaft head 21 of the force measuring mechanism 2 can be determined by controlling the size of the opening on the lower side of the impeller 12, so as to realize the streamline required by the impeller 12 and the guide vane.
In order to facilitate the derivation of the measurement data of the force measuring portion 22, in an alternative embodiment, referring to fig. 1, the pump body 1 further includes a conductive slip ring 13, and the conductive slip ring 13 includes an inner ring and an outer ring rotatably connected to the inner ring; the inner ring is sleeved on the pump shaft 11 and rotates along with the rotation of the pump shaft 11; an installation channel 111 is arranged in the pump shaft 11; the force measuring portion 22 is electrically connected to the inner ring by a wire, which is disposed in the mounting passage 111.
In the above embodiment, the force measuring portion 22 is electrically connected to the inner ring of the conductive slip ring 13 through the wire, so that data measured by the force measuring portion 22 can be transmitted to the outer ring through the wire and the inner ring, and the data is transmitted to the pump body 1 through the outer ring.
In the above embodiment, the pump body 1 is provided with the mounting channel 111 therein, one end of the mounting channel 111 may penetrate through the end surface of the pump shaft 11, and the other end of the mounting channel 111 may penetrate through the surface of the pump shaft 11, so that the force measuring portion 22 is electrically connected to the inner ring of the conductive slip ring 13 through a lead.
Of course, the derivation of the measurement data of the force measuring unit 22 is not limited to the above manner, and in an alternative embodiment, the force measuring mechanism 2 further includes a wireless communication module, the wireless communication module is electrically connected to the force measuring unit 22, and the wireless communication module is configured to be wirelessly connected to the outside.
In the above embodiment, the wireless communication module may be a wireless fidelity module and/or a bluetooth module, so that the force measuring mechanism 2 can be wirelessly connected to an external device, thereby transmitting measurement data out of the pump body 1.
In an alternative embodiment, referring to fig. 1, the pump body 1 further includes a guide vane 14, and the guide vane 14 is sleeved on the outer periphery of the impeller 12; the force measuring mechanism 2 further comprises a sealing member 23, the sealing member 23 is respectively connected with the spindle head 21 and the force measuring part 22, and the spindle head 21 and the force measuring part 22 are rotatably connected with the guide vane 14 through the sealing member 23.
In the above embodiment, the seal 23 may be a labyrinth seal, and by providing the seal 23, sealing between the force measuring mechanism 2 and the guide vane 14 may be achieved.
In an alternative embodiment, see fig. 1, the pump body 1 further comprises a casing 15, the vanes 14 are connected to the casing 15, the impeller 12 and the vanes 14 are located outside the casing 15; the force measuring means 2 is located outside the housing 15.
In the above embodiment, the force measuring mechanism 2 is located outside the housing 15, and when the force measuring mechanism 2 is installed and maintained, it is not necessary to disassemble and assemble the components inside the housing 15, which is convenient for installing and maintaining the force measuring mechanism 2, and improves the working efficiency.
At present, when a hydraulic component of a centrifugal pump is replaced, a pump body 1 and a driving part are generally required to be moved away in a hoisting mode so as to expose the hydraulic component for replacement, so that a large hoisting space, a crane and other equipment are required to be provided, the equipment has a large collision risk in the hoisting process, and the equipment needs to be leveled and centered again in the reassembling process, so that a large installation precision risk exists in the process, in order to solve the technical problem, in an optional embodiment, referring to fig. 2 and 3, the centrifugal pump further comprises a driving part 3, such as a motor, and an output shaft of the driving part 3 is connected with a pump shaft 11; a fixed platform 4, a pump shell 5 is arranged on the fixed platform 4, and the pump shell 5 is provided with a mounting opening 51; a movable platform 6, wherein the movable platform 6 is movably arranged on the fixed platform 4 along the direction towards or away from the mounting opening 51; the pump body 1 and the drive portion 3 are provided on the movable platform 6, the pump housing 5, the pump body 1, and the drive portion 3 are coaxially provided, and the impeller 12 faces the mounting opening 51.
In the above embodiment, when replacing the hydraulic components such as the impeller 12 and the guide vane 14, the moving platform 6 may be moved, so that the moving platform 6 drives the pump body 1 and the driving portion 3 to move in a direction away from the mounting opening 51 of the pump housing 5, thereby exposing the hydraulic components, and at this time, the hydraulic components may be replaced; after the hydraulic component is replaced, the moving platform 6 may be moved in the reverse direction, so that the moving platform 6 drives the pump body 1 and the driving portion 3 to move toward the mounting hole 121 of the pump housing 5 until the hydraulic component is mounted in the pump housing 5.
In the process, the pump body 1 and the driving part 3 are moved by moving the movable platform 6 on the fixed platform 4, the pump body 1 and the driving part 3 do not need to be moved in a hoisting mode, and hoisting space, a crane and other equipment do not need to be provided for hoisting the pump body 1 and the driving part 3, so that the operation is simpler and more convenient, and the collision risk of the equipment in the hoisting process is avoided; moreover, the pump shell 5 on the fixed platform 4, the pump body 1 on the movable platform 6 and the driving part 3 are coaxially arranged, so that after the hydraulic parts are replaced, leveling and centering are not required to be carried out again, the movable platform 6 is only required to be moved for installation, and the installation accuracy of the centrifugal pump is ensured.
The moving platform 6 can be moved on the fixed platform 4 in various ways as long as the moving platform 6 can move stably along the preset direction relative to the fixed platform 4. In an alternative embodiment, referring to fig. 2 and 3, the fixed platform 4 may be provided with a rail 41, and the rail 41 may extend along the length direction of the fixed platform 4; the moving platform 6 is provided with a roller 61, and the roller 61 is in rolling connection with the track 41. Further, in order to ensure the stable movement of the mobile platform 6, the rail 41 may include a first rail and a second rail which are oppositely disposed, and the roller 61 may include a plurality of first rollers disposed at intervals on one side of the mobile platform 6 and a plurality of second rollers disposed at intervals on the other side of the mobile platform 6, wherein the first rollers are in rolling connection with the first rail, and the second rollers are in rolling connection with the second rail.
In an alternative embodiment, with reference to fig. 2 and 3, the pump body 1 is set on the mobile platform 6 by means of a first resting plate 7; the driving section 3 is provided on the moving platform 6 via a second placing plate 8. Wherein, first board 7 and the second board 8 of placing can cushion the vibration that produces in the centrifugal pump working process to avoid causing the damage of the pump body 1, drive division 3 or moving platform 6 and fixed platform 4, thereby prolong its life.
In an alternative embodiment, referring to fig. 2 and 3, the centrifugal pump further comprises an adjusting portion 9, and the adjusting portion 9 is disposed on the second placing plate 8 for adjusting the mounting position of the driving portion 3 on the moving platform 6.
In order to ensure that the pump body 1 and the driving part 3 can be coaxial, when the driving part 3 is installed, the position of the driving part 3 can be finely adjusted through the adjusting part 9, and the driving part 3 is fixed after the driving part 3 is coaxial with the pump body 1, so that the installation precision of the centrifugal pump can be better ensured.
In an alternative embodiment, referring to fig. 2 and 3, the adjusting portion 9 includes a fixing member 91 and an adjusting bolt 92, the fixing member 91 is provided with a threaded hole, the adjusting bolt 92 is screwed into the threaded hole, and the adjusting bolt 92 abuts against the base of the driving portion 3; the number of the fixing pieces 91 and the number of the adjusting bolts 92 are at least two respectively, and the at least two adjusting bolts 92 are correspondingly screwed in the threaded holes of the at least two fixing pieces 91; the number of the regulating parts 9 is at least four, and the regulating parts are arranged oppositely in pairs.
According to the above embodiment, when the driving part 3 is installed, the adjusting bolt 92 in each direction of the adjusting part 9 can be screwed, so that the adjusting bolt 92 pushes the driving part 3 to finely adjust the position of the driving part 3, and the driving part 3 is fixed after the position of the driving part 3 is determined, which is convenient to operate and high in installation precision.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A centrifugal pump, comprising:
a pump body including a pump shaft and an impeller, the impeller including a mounting hole;
the force measuring mechanism comprises a shaft head and a force measuring part, the force measuring part is connected with the pump shaft, the shaft head comprises a first end and a second end, the first end is connected with the force measuring part, and the outer diameter of the shaft head is gradually reduced from the first end to the second end;
the profile shape of mounting hole with the profile shape phase-match of spindle nose, the impeller passes through the mounting hole cup joint in the spindle nose and with spindle nose interference fit, the spindle nose is used for adjusting the axial volume of scurrying of impeller.
2. The centrifugal pump of claim 1,
the pump body further comprises a conductive slip ring, and the conductive slip ring comprises an inner ring and an outer ring which is rotationally connected with the inner ring; the inner ring is sleeved on the pump shaft;
an installation channel is arranged in the pump shaft;
the force measuring part is electrically connected with the inner ring through a lead, and the lead is arranged in the mounting channel.
3. The centrifugal pump of claim 1,
the force measuring mechanism further comprises a wireless communication module, the wireless communication module is electrically connected with the force measuring part, and the wireless communication module is used for being in wireless connection with external equipment.
4. The centrifugal pump of claim 1,
the pump body further comprises a guide vane, and the guide vane is sleeved on the periphery of the impeller;
the force measuring mechanism further comprises a sealing element, the sealing element is respectively connected with the shaft head and the force measuring part, and the shaft head and the force measuring part are rotatably connected with the guide vane through the sealing element.
5. The centrifugal pump of claim 4,
the pump body further comprises a shell, the guide vane is connected with the shell, and the impeller and the guide vane are located on the outer side of the shell;
the force measuring mechanism is located on the outer side of the shell.
6. The centrifugal pump of claim 1, further comprising:
the output shaft of the driving part is connected with the pump shaft;
the pump comprises a fixed platform, a pump body and a control device, wherein the fixed platform is provided with a pump shell which is provided with a mounting opening;
the movable platform is movably arranged on the fixed platform along the direction towards or away from the mounting opening;
the pump body and the driving part are arranged on the moving platform, the pump shell, the pump body and the driving part are coaxially arranged, and the impeller faces the mounting opening.
7. The centrifugal pump of claim 6,
a track is arranged on the fixed platform;
the movable platform is provided with a roller wheel, and the roller wheel is in rolling connection with the track.
8. The centrifugal pump of claim 6,
the pump body is arranged on the mobile platform through a first placing plate;
the driving part is arranged on the moving platform through a second placing plate.
9. The centrifugal pump of claim 8, further comprising:
and the adjusting part is arranged on the second placing plate and is used for adjusting the mounting position of the driving part on the moving platform.
10. The centrifugal pump of claim 9,
the adjusting part comprises a fixing piece and an adjusting bolt, a threaded hole is formed in the fixing piece, the adjusting bolt is connected in the threaded hole in a threaded mode, and the adjusting bolt is abutted to a base of the driving part;
the number of the fixing pieces and the number of the adjusting bolts are at least two respectively, and the at least two adjusting bolts are correspondingly in threaded connection in threaded holes of the at least two fixing pieces;
the number of the adjusting parts is at least four, and the adjusting parts are arranged oppositely in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565631.4A CN114135490B (en) | 2021-12-20 | 2021-12-20 | Centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111565631.4A CN114135490B (en) | 2021-12-20 | 2021-12-20 | Centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114135490A true CN114135490A (en) | 2022-03-04 |
| CN114135490B CN114135490B (en) | 2024-01-19 |
Family
ID=80382958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111565631.4A Active CN114135490B (en) | 2021-12-20 | 2021-12-20 | Centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114135490B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031420A1 (en) * | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| CN101254492A (en) * | 2007-03-02 | 2008-09-03 | 上海市南洋模范中学 | Solar fountain |
| CN101549457A (en) * | 2009-05-11 | 2009-10-07 | 中天建设集团浙江安装工程有限公司 | Transmission long axis alignment and adjustment device |
| CN102808784A (en) * | 2012-08-27 | 2012-12-05 | 哈尔滨电气动力装备有限公司 | Hydraulic model testing device for water pump |
| CN102830948A (en) * | 2011-05-26 | 2012-12-19 | 波音公司 | Wiring diagram visualization system |
| CN104074800A (en) * | 2013-03-28 | 2014-10-01 | 株式会社日立制作所 | Centrifugal pump and volute equipped for the same |
| CN104990661A (en) * | 2015-07-16 | 2015-10-21 | 江苏大学 | Device for testing unsteady surface pressure of centrifugal pump blade |
| CN106763738A (en) * | 2016-12-26 | 2017-05-31 | 王军辉 | A kind of hydraulic continuously variable transmission |
| CN210769501U (en) * | 2019-11-19 | 2020-06-16 | 涿州市高研泵阀制造有限公司 | Centrifugal pump impeller fixing structure |
| CN212563652U (en) * | 2020-05-14 | 2021-02-19 | 大连元坤机械设备有限公司 | Chemical centrifugal pump capable of being rapidly disassembled |
-
2021
- 2021-12-20 CN CN202111565631.4A patent/CN114135490B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005031420A1 (en) * | 2005-07-04 | 2007-01-18 | Al-Ko Kober Ag | Combined submerged/flat-suction rotary pump, e.g. for sucking off dirty water/sewage, has an electric drive with a casing, a pump casing and an impeller |
| CN101254492A (en) * | 2007-03-02 | 2008-09-03 | 上海市南洋模范中学 | Solar fountain |
| CN101549457A (en) * | 2009-05-11 | 2009-10-07 | 中天建设集团浙江安装工程有限公司 | Transmission long axis alignment and adjustment device |
| CN102830948A (en) * | 2011-05-26 | 2012-12-19 | 波音公司 | Wiring diagram visualization system |
| CN102808784A (en) * | 2012-08-27 | 2012-12-05 | 哈尔滨电气动力装备有限公司 | Hydraulic model testing device for water pump |
| CN104074800A (en) * | 2013-03-28 | 2014-10-01 | 株式会社日立制作所 | Centrifugal pump and volute equipped for the same |
| CN104990661A (en) * | 2015-07-16 | 2015-10-21 | 江苏大学 | Device for testing unsteady surface pressure of centrifugal pump blade |
| CN106763738A (en) * | 2016-12-26 | 2017-05-31 | 王军辉 | A kind of hydraulic continuously variable transmission |
| CN210769501U (en) * | 2019-11-19 | 2020-06-16 | 涿州市高研泵阀制造有限公司 | Centrifugal pump impeller fixing structure |
| CN212563652U (en) * | 2020-05-14 | 2021-02-19 | 大连元坤机械设备有限公司 | Chemical centrifugal pump capable of being rapidly disassembled |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114135490B (en) | 2024-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107520747B (en) | Constant force floating device | |
| CN114135490A (en) | Centrifugal pump | |
| CN102252055A (en) | Worm wheel-worm transmission unit with controllable device | |
| KR101470863B1 (en) | dynamometer assembly | |
| CN111993286A (en) | Multifunctional cutter head and cutting method thereof | |
| CN109282118B (en) | Precision rotary table shaft system | |
| CN212351659U (en) | Multifunctional cutter head | |
| CN214308550U (en) | Circle measuring frame for hydraulic generator rotor | |
| CN112247735B (en) | Planet grinding tool based on parallel flat rotating structure | |
| CN110017351B (en) | Self-balancing module | |
| KR101649973B1 (en) | Air-Bearing Spindle Capable Of Tilting By Load In Machining | |
| CN211082728U (en) | Synchronous belt/synchronous wheel transmission centering device | |
| CN211727508U (en) | Angle accessory head with transmission | |
| CN210231613U (en) | Drilling device for machining wear-resistant lining plate | |
| CN221527527U (en) | Inertial measurement unit indexing equipment | |
| CN111846021B (en) | Accurate multi-angle locking mechanism | |
| CN219104261U (en) | Crusher counterweight static balance measuring equipment | |
| CN104696372A (en) | Bearing seat | |
| CN211347223U (en) | Motor rotor supporting mechanism of motor rotor balancing machine | |
| CN221834684U (en) | Wire arranging device for wire cutting machine | |
| CN113042894B (en) | Repairing device of ultrahigh-voltage power equipment | |
| CN220004164U (en) | Crusher capable of preventing roller collision | |
| CN212435795U (en) | Camera device convenient to angle control | |
| CN219263104U (en) | Lower turntable mechanism | |
| CN216012137U (en) | Measuring device and measuring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |