CN213684544U - Novel vertical multistage centrifugal pump - Google Patents
Novel vertical multistage centrifugal pump Download PDFInfo
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- CN213684544U CN213684544U CN202022534802.4U CN202022534802U CN213684544U CN 213684544 U CN213684544 U CN 213684544U CN 202022534802 U CN202022534802 U CN 202022534802U CN 213684544 U CN213684544 U CN 213684544U
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Abstract
The utility model discloses a novel vertical multistage centrifugal pump, which comprises a pump body, the inside multistage runner that is provided with of the pump body, the inside pump shaft that is equipped with of multistage runner, pump shaft both ends run through pump body top and bottom respectively, the pump shaft rotates with the pump body to be connected, the outside cover of pump shaft is equipped with a plurality of impellers, impeller and pump shaft fixed connection, the impeller is established inside the multistage runner, impeller and multistage runner phase-match, pump body bottom is equipped with the base, base and pump body fixed connection, the inside disassembly body that is equipped with of base, disassembly body includes two fixed columns. The utility model discloses a screw of fixed connection fixed plate and fixed column is unscrewed, then takes off the fixed plate to drive the connecting block and break away from the bearing frame, then take out the bearing frame along the spacing groove, then can take out the support bearing on the bearing frame and change, need not to dismantle the centrifugal pump, just can change support bearing, it is more convenient to use.
Description
Technical Field
The utility model relates to a vertical multistage centrifugal pump field, concretely relates to novel vertical multistage centrifugal pump.
Background
The vertical multi-stage centrifugal pump is also called as CDLF vertical multi-stage centrifugal pump, is designed and manufactured by absorbing domestic and foreign advanced technologies, adopts a standard vertical motor (17) and a quick-mounting mechanical seal, and is very convenient to replace. The overflowing part of the pump is made of stainless steel (304\316) materials, and can be suitable for slightly corrosive media. Can replace foreign CR, CRN and other similar products. After the product is put on the market, the product has the characteristics of high efficiency, energy conservation, reliable quality, wide application range and the like.
At present vertical multistage centrifugal pump relies on a pivot to drive its inside a plurality of pump blades and rotates usually, and because it is vertical that the centrifugal pump is, the pivot is vertical setting, the bearing of pivot bottom need bear great pressure, cause the bearing life-span to reduce, the bearing is changed when needing, then current vertical multistage centrifugal pump is when demolising the bearing of pivot bottom, need take the centrifugal pump wholly apart, then take out the pivot, just can demolish the bearing of its bottom at last, complex operation is complicated, it is hard to take trouble, and frequent dismantlement centrifugal pump also can influence the sealed and result of use of centrifugal pump.
Therefore, it is necessary to invent a new vertical multistage centrifugal pump to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a novel vertical multistage centrifugal pump is through unscrewing the screw of fixed connection fixed plate and fixed column, then takes off the fixed plate to drive the connecting block and break away from the bearing frame, then take out the bearing frame along the spacing groove, then can take out the support bearing on the bearing frame and change, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a novel vertical multistage centrifugal pump comprises a pump body, wherein a multistage flow channel is arranged in the pump body, a pump shaft is arranged in the multistage flow channel, two ends of the pump shaft respectively penetrate through the top and the bottom of the pump body, the pump shaft is rotatably connected with the pump body, a plurality of impellers are sleeved outside the pump shaft and fixedly connected with the pump shaft, the impellers are arranged in the multistage flow channel and matched with the multistage flow channel, a base is arranged at the bottom of the pump body and fixedly connected with the pump body, and a dismounting mechanism is arranged in the base;
the disassembly mechanism comprises two fixing columns, the two fixing columns are arranged on two sides inside the base, the fixing columns are fixedly connected with the pump body, a bearing seat is arranged between the two fixing columns, the bearing seat is connected with the fixing columns in a sliding mode, a supporting bearing is arranged at the top of the bearing seat and matched with the bearing seat, the bottom end of the pump shaft extends to the top of the supporting bearing, a shaft neck is arranged at the bottom end of the pump shaft and extends into the supporting bearing, the shaft neck is matched with the supporting bearing, a fixing plate is arranged at the bottom of the fixing columns and fixedly connected with the fixing columns through screws, the fixing plate is arranged at the bottom of the bearing seat, a connecting block is arranged between the fixing plate and.
Preferably, one side of each fixing column adjacent to the corresponding fixing column is provided with a limiting groove, the two sides of each bearing seat are provided with limiting strips, the limiting strips are fixedly connected with the bearing seats, the limiting strips are arranged in the limiting grooves, and the limiting strips are connected with the limiting grooves in a sliding mode.
Preferably, a limiting ring is sleeved outside the pump shaft and fixedly connected with the pump shaft, and the limiting ring is arranged between the two fixing columns.
Preferably, the spacing ring bottom is equipped with solid fixed ring, the fixed slot has been seted up at solid fixed ring top, gu fixed ring establishes inside the fixed slot, gu fixed ring and fixed slot phase-match.
Preferably, the fixed ring is arranged at the bottom of the pump body and is fixedly connected with the pump body through screws.
Preferably, the top of the pump body is provided with a motor, the motor is fixedly connected with the pump body, the top end of the pump shaft extends to the bottom of the motor, and the output shaft of the motor is in transmission connection with the pump shaft through a coupling.
Preferably, a sealing gasket is arranged at the joint of the pump shaft and the pump body.
The utility model has the advantages of as follows:
through the screw of unscrewing fixed connection fixed plate and fixed column, then take off the fixed plate to drive the connecting block and break away from the bearing frame, then take out the bearing frame along the spacing groove, then can take out the support bearing on the bearing frame and change, need not to dismantle the centrifugal pump, just can change the support bearing, it is more convenient that the support bearing changes, reduces the dismantlement of centrifugal pump simultaneously, prevents to dismantle the centrifugal pump many times and leads to its waterproof nature to descend.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure of the portion B of FIG. 2 according to the present invention;
fig. 4 is a side view of the present invention.
Description of reference numerals:
the pump comprises a pump body 1, a multistage flow channel 2, a pump shaft 3, an impeller 4, a base 5, a fixing column 6, a bearing seat 7, a supporting bearing 8, a shaft neck 9, a fixing plate 10, a connecting block 11, a limiting groove 12, a limiting strip 13, a limiting ring 14, a fixing ring 15, a fixing groove 16 and a motor 17.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-4 of the specification, the novel vertical multistage centrifugal pump of the embodiment comprises a pump body 1, wherein a multistage flow channel 2 is arranged inside the pump body 1, a pump shaft 3 is arranged inside the multistage flow channel 2, two ends of the pump shaft 3 respectively penetrate through the top and the bottom of the pump body 1, the pump shaft 3 is rotatably connected with the pump body 1, a plurality of impellers 4 are sleeved outside the pump shaft 3, the impellers 4 are fixedly connected with the pump shaft 3, the impellers 4 are arranged inside the multistage flow channel 2, the impellers 4 are matched with the multistage flow channel 2, a base 5 is arranged at the bottom of the pump body 1, the base 5 is fixedly connected with the pump body 1, and a dismounting mechanism is arranged inside the base 5;
the dismounting mechanism comprises two fixed columns 6, the two fixed columns 6 are arranged at two sides in the base 5, the fixed columns 6 are fixedly connected with the pump body 1, a bearing seat 7 is arranged between the two fixed columns 6, the bearing seat 7 is connected with the fixed columns 6 in a sliding way, the top of the bearing seat 7 is provided with a supporting bearing 8, the supporting bearing 8 is matched with the bearing seat 7, the bottom end of the pump shaft 3 extends to the top of the support bearing 8, the bottom end of the pump shaft 3 is provided with a shaft neck 9, the shaft journal 9 extends into the interior of the support bearing 8, the shaft journal 9 matching the support bearing 8, the bottom of the fixed column 6 is provided with a fixed plate 10, the fixed plate 10 is fixedly connected with the fixed column 6 through a screw, the fixed plate 10 is arranged at the bottom of the bearing seat 7, a connecting block 11 is arranged between the fixed plate 10 and the bearing seat 7, and the connecting block 11 is fixedly connected with the fixed plate 10.
Further, in the above technical scheme, one side of each of two fixing columns 6 adjacent to each other is provided with a limiting groove 12, two sides of each of the bearing seat 7 are provided with limiting strips 13, each of the limiting strips 13 is fixedly connected with the corresponding bearing seat 7, each of the limiting strips 13 is arranged inside the corresponding limiting groove 12, each of the limiting strips 13 is connected with the corresponding limiting groove 12 in a sliding manner, and the corresponding bearing seat 7 is limited by the cooperation of the corresponding limiting strip 13 and the corresponding limiting groove 12, so that the bearing seat 7 can only slide along the corresponding limiting groove 12.
Further, in the above technical solution, a limit ring 14 is sleeved outside the pump shaft 3, the limit ring 14 is fixedly connected with the pump shaft 3, and the limit ring 14 is disposed between the two fixing posts 6.
Further, in the above technical scheme, the bottom of the limit ring 14 is provided with a fixing ring 15, the top of the fixing ring 15 is provided with a fixing groove 16, the fixing ring 15 is arranged inside the fixing groove 16, and the fixing ring 15 is matched with the fixing groove 16.
Further, in above-mentioned technical scheme, solid fixed ring 15 is established in the pump body 1 bottom, gu fixed ring 15 passes through screw fixed connection with the pump body 1, through solid fixed ring 15 spacing collar 14, and then carries on spacingly to pump shaft 3, avoids driving pump shaft 3 to shift when dismantling support bearing 8 and bearing frame 7.
Further, in the above technical scheme, a motor 17 is arranged at the top of the pump body 1, the motor 17 is fixedly connected with the pump body 1, the top end of the pump shaft 3 extends to the bottom of the motor 17, and an output shaft of the motor 17 is in transmission connection with the pump shaft 3 through a coupling.
Furthermore, in the above technical scheme, a sealing gasket is arranged at the joint of the pump shaft 3 and the pump body 1, so that the sealing effect is improved.
The implementation mode is specifically as follows: when the utility model is used, the motor 17 is started, the output shaft of the motor 17 drives the pump shaft 3 to rotate through the shaft coupling, so that the pump shaft 3 drives the impeller 4 to rotate, thereby starting the centrifugal pump to work, when the support bearing 8 is damaged, the screw fixedly connecting the fixed plate 10 with the fixed column 6 is unscrewed, then the fixed plate 10 is taken down, thereby driving the connecting block 11 to be separated from the bearing seat 7, then the bearing seat 7 is taken out along the limiting groove 12, then the support bearing 8 on the bearing seat 7 can be taken out for replacement, the support bearing 8 and the bearing seat 7 can be conveniently disassembled by using tools through arranging the two fixed columns 6, the use of the tools can not be obstructed, the limit ring 14 is limited by fixing the fixed ring 15 with the pump body 1, thereby limiting the pump shaft 3, and avoiding driving the pump shaft 3 to shift when the support bearing 8 and the bearing seat 7 are disassembled, the utility model discloses need not to dismantle the centrifugal pump, just can change supporting bearing 8, supporting bearing 8 changes more conveniently, reduce the dismantlement of centrifugal pump simultaneously, prevent to dismantle the centrifugal pump many times and lead to its waterproof nature to descend, when this embodiment has specifically solved the bearing of demolising the pivot bottom among the prior art, need take the centrifugal pump wholly apart, then take out the pivot, just can demolish the bearing of its bottom at last, complex operation is complicated, take trouble and difficultly, and frequent dismantlement centrifugal pump also can influence the sealed and result of use problem of centrifugal pump.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a novel vertical multistage centrifugal pump, includes the pump body (1), its characterized in that: the pump comprises a pump body (1), a multistage flow channel (2) and a pump shaft (3) are arranged in the pump body (1), two ends of the pump shaft (3) penetrate through the top and the bottom of the pump body (1) respectively, the pump shaft (3) is rotatably connected with the pump body (1), a plurality of impellers (4) are sleeved outside the pump shaft (3), the impellers (4) are fixedly connected with the pump shaft (3), the impellers (4) are arranged in the multistage flow channel (2), the impellers (4) are matched with the multistage flow channel (2), a base (5) is arranged at the bottom of the pump body (1), the base (5) is fixedly connected with the pump body (1), and a dismounting mechanism is arranged in the base (5);
the disassembly mechanism comprises two fixing columns (6), the two fixing columns (6) are arranged on two sides inside the base (5), the fixing columns (6) are fixedly connected with the pump body (1), a bearing seat (7) is arranged between the two fixing columns (6), the bearing seat (7) is in sliding connection with the fixing columns (6), a supporting bearing (8) is arranged at the top of the bearing seat (7), the supporting bearing (8) is matched with the bearing seat (7), the bottom end of the pump shaft (3) extends to the top of the supporting bearing (8), a shaft neck (9) is arranged at the bottom end of the pump shaft (3), the shaft neck (9) extends into the supporting bearing (8), the shaft neck (9) is matched with the supporting bearing (8), a fixing plate (10) is arranged at the bottom of the fixing columns (6), and the fixing plate (10) is fixedly connected with the fixing columns (6) through, the fixing plate (10) is arranged at the bottom of the bearing seat (7), a connecting block (11) is arranged between the fixing plate (10) and the bearing seat (7), and the connecting block (11) is fixedly connected with the fixing plate (10).
2. The novel vertical multistage centrifugal pump of claim 1, characterized in that: the adjacent one side of two fixed columns (6) all is equipped with spacing groove (12), bearing frame (7) both sides all are equipped with spacing (13), spacing (13) and bearing frame (7) fixed connection, spacing (13) are established inside spacing groove (12), spacing (13) and spacing groove (12) sliding connection.
3. The novel vertical multistage centrifugal pump of claim 1, characterized in that: the pump shaft (3) is externally sleeved with a limiting ring (14), the limiting ring (14) is fixedly connected with the pump shaft (3), and the limiting ring (14) is arranged between the two fixing columns (6).
4. A novel vertical multistage centrifugal pump according to claim 3, characterized in that: spacing ring (14) bottom is equipped with solid fixed ring (15), fixed slot (16) have been seted up at solid fixed ring (15) top, gu fixed ring (15) establish inside fixed slot (16), gu fixed ring (15) and fixed slot (16) phase-match.
5. The novel vertical multistage centrifugal pump of claim 4, characterized in that: the pump is characterized in that the fixing ring (15) is arranged at the bottom of the pump body (1), and the fixing ring (15) is fixedly connected with the pump body (1) through screws.
6. The novel vertical multistage centrifugal pump of claim 1, characterized in that: the pump body (1) top is equipped with motor (17), motor (17) and pump body (1) fixed connection, pump shaft (3) top extends to motor (17) bottom, motor (17) output shaft passes through the shaft coupling transmission with pump shaft (3) and is connected.
7. The novel vertical multistage centrifugal pump of claim 1, characterized in that: and a sealing gasket is arranged at the joint of the pump shaft (3) and the pump body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022534802.4U CN213684544U (en) | 2020-11-05 | 2020-11-05 | Novel vertical multistage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022534802.4U CN213684544U (en) | 2020-11-05 | 2020-11-05 | Novel vertical multistage centrifugal pump |
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| Publication Number | Publication Date |
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| CN213684544U true CN213684544U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022534802.4U Active CN213684544U (en) | 2020-11-05 | 2020-11-05 | Novel vertical multistage centrifugal pump |
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| CN (1) | CN213684544U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294268A (en) * | 2021-12-28 | 2022-04-08 | 威乐(中国)水泵***有限公司 | Vertical centrifugal pump |
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2020
- 2020-11-05 CN CN202022534802.4U patent/CN213684544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294268A (en) * | 2021-12-28 | 2022-04-08 | 威乐(中国)水泵***有限公司 | Vertical centrifugal pump |
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