CN209925278U - Vertical submerged pump rotor axial adjustable structure - Google Patents
Vertical submerged pump rotor axial adjustable structure Download PDFInfo
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- CN209925278U CN209925278U CN201920383566.5U CN201920383566U CN209925278U CN 209925278 U CN209925278 U CN 209925278U CN 201920383566 U CN201920383566 U CN 201920383566U CN 209925278 U CN209925278 U CN 209925278U
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Abstract
The utility model relates to an axial adjustable structure of a vertical submerged pump rotor, which comprises a pump body, a pump shaft, an impeller, a lower port ring, a rear port ring and a bearing box body assembly; the lower port ring is arranged at the connecting part of the inner wall of the pump body and the front end part of the impeller; the rear mouth ring is arranged at the connecting part of the inner wall of the pump body and the rear end part of the impeller; the bearing box body assembly is arranged on the pump shaft; the bearing box body assembly comprises a shaft sleeve, a bearing locking nut, a bearing main body, an oil injection port, a bearing gland and a rotor adjusting sleeve; the shaft sleeve is sleeved on the pump shaft; the bearing is arranged between the shaft sleeve and the bearing main body; the oil filling port is arranged on the bearing main body; the rotor adjusting sleeve is connected with the bearing gland. The utility model discloses can be used for the rotor axial of vertical submerged pump to adjust, structure scientific and reasonable, the rotor adjustment is convenient, and the bearing is lubricated abundant, long service life.
Description
Technical Field
The utility model relates to a rotor axial adjustable structure especially relates to a vertical submerged pump rotor axial adjustable structure.
Background
The vertical motor of submerged pump is fastened on the motor base by means of bolt, and is directly driven by means of elastic coupling and pump, pump body, intermediate connecting pipe, pump frame, liquid outlet pipe and pipe flange, and connected into one body by means of bolt, and fixed on the base plate, the whole body of the pump is mounted on the container by means of base plate, and the axial force and radial force of the pump are all supported by one-way thrust ball bearing, single-row radial ball bearing and sliding guide shaft which are mounted in the bearing box so as to ensure safe and normal operation of the pump, and the bearing is lubricated by using grease, and the guide bearing is lubricated with the liquid being conveyed. The submerged pump has the advantages of no leakage of shaft seal, small occupied area, reliable use, convenient maintenance, strong corrosion resistance and the like, and is widely applicable to industrial departments of chemical industry, pharmacy, papermaking, petroleum and the like.
At present, a rotor component of a vertical submerged pump is generally of an axial non-adjustable structure, namely the axial distance of the whole rotor (shaft and impeller) is not adjustable, the clearance allowance between the impeller and front and rear sealing rings is 3mm, if the axial deviation is more than or equal to 3mm, the abrasion between the impeller and the sealing rings is caused, the pump is caused to vibrate greatly and has high noise, the rotor can be locked possibly, the pump is damaged, in addition, the accumulated error causes the rotor not to occupy the center, the hydraulic center of the impeller and the pump body is also not aligned, and the performance of the pump is influenced; the axial dimensions required for all castings and workpieces are strict and cannot be deviated, but for pumps with the depth of 4-6 meters under liquid, smaller accumulated errors are difficult to achieve, and once the pump is out of tolerance, the impeller hub dimension needs to be modified by measuring the dimension or the impeller occupies the center by increasing and reducing the thickness of a sealing gasket because a rotor system cannot adjust the center, so that the sizes of parts and accessories of each pump are inconsistent, the parts and the accessories cannot be interchanged, and the use cost is increased; the bearing adopts the back-to-back bearing mounting mode of angular contact, because the supporting point of the longer bearing of bearing is unfavorable for the rotor stability for shorter, this pump is lubricated for the grease in addition, and the oiling mouth sets up on bearing gland, and the grease that the following bearing obtained when filling lubricating oil like this is too little, can influence its life.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a structure scientific and reasonable, rotor adjustment make things convenient for, the lubricated abundant, long service life's of bearing vertical submerged pump rotor axial adjustable structure.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an axially adjustable structure of a rotor of a vertical submerged pump comprises a pump body, a pump shaft, an impeller, a lower port ring, a rear port ring and a bearing box body assembly; the pump shaft is arranged in the center of the interior of the pump body; the impeller is arranged at the head of the pump shaft; the lower port ring is arranged at the connecting part of the inner wall of the pump body and the front end part of the impeller; the rear mouth ring is arranged at the connecting part of the inner wall of the pump body and the rear end part of the impeller; the bearing box body assembly is arranged on the pump shaft and is positioned at the rear end of the pump shaft.
The axial adjustable structure of the rotor of the vertical submerged pump comprises a bearing box body assembly, a bearing locking nut, a bearing main body, an oil injection port, a bearing gland and a rotor adjusting sleeve, wherein the bearing box body assembly comprises a shaft sleeve, a bearing locking nut, a bearing main body, an oil injection port, a bearing gland and a rotor adjusting sleeve; the shaft sleeve is sleeved on the pump shaft; the bearing is arranged between the shaft sleeve and the bearing main body and is provided with a bearing locking nut; the oil filling port is arranged on the bearing main body; the bearing gland is fixedly connected with the bearing main body; the rotor adjusting sleeve is connected with the bearing gland, so that the rotor part of the traditional submerged pump is designed into a structure that the rotor can be axially adjusted, the rotor can be axially adjusted according to actual accumulated errors during reassembling, the center of the impeller is overlapped with the center of the pump body, the rotor is convenient to adjust, the performance is more stable, and the service life is longer.
As above a vertical submerged pump rotor axial adjustable structure, the bearing be equipped with 2, be equipped with the spacer sleeve between 2 bearings, the oiling mouth connect the spacer sleeve, be convenient for suitably increase the support distance of bearing, change the position of oiling mouth, make 2 bearings can both contact lubricating grease effectively, the bearing lubrication is more abundant, the effect is better, life is longer.
As above a vertical submerged pump rotor axial adjustable structure, the rotor adjusting sleeve be equipped with adjusting bolt, the rotor adjusting sleeve pass through adjusting bolt connect the axle sleeve, adjusting bolt and pump shaft are parallel arrangement, are convenient for adjust the position of rotor adjusting sleeve through adjusting bolt to carry out axial distance's regulation to the rotor, make the center of impeller and the center coincidence of the pump body, convenient operation is swift, and the adjusting position is accurate, and the performance is more reliable.
As above a vertical submerged pump rotor axial adjustable structure, the rotor adjust the cover and be equipped with adjusting collar lock nut, adjusting collar lock nut be equipped with the locking pad, be convenient for lock rotor adjusting collar and axle sleeve and locking, the operation is more convenient and fast, the adjustment position is more accurate, locking effect is better, the performance is safe and reliable more.
As the preferred scheme of the axial adjustable structure of the rotor of the vertical submerged pump, the shaft sleeve is provided with the bolt hole, the inner part of the bolt hole is provided with the internal thread, and the shaft sleeve is in threaded connection with the adjusting bolt through the internal thread, so that the position can be conveniently and accurately adjusted, the connection is firmer and more stable, and the strength is higher.
As the preferred scheme of the axial adjustable structure of the rotor of the vertical submerged pump, the adjusting bolts are made of high-strength alloy steel, so that the rotor is higher in strength, firmer and durable, longer in service life, safer and more reliable.
As the preferred scheme of the axial adjustable structure of the rotor of the vertical submerged pump, the shaft sleeve is provided with scale marks, and the scale marks are arranged at the connecting part of the rotor adjusting sleeve and the shaft sleeve, so that the position adjusting precision is higher, and the time and the labor are saved.
As the preferred scheme of the axial adjustable structure of the rotor of the vertical submerged pump, the connecting part of the oil injection port and the bearing main body is provided with the sealing ring, so that the sealing performance is better, and the structure is safer and more reliable.
As the preferred scheme of the axial adjustable structure of the rotor of the vertical submerged pump, the spacer bush is made of wear-resistant and corrosion-resistant metal, so that the spacer bush is more firm and durable, has longer service life, and is safer and more reliable.
The utility model has the advantages that: the pump shaft of the utility model is arranged in the center of the pump body; the impeller is arranged at the head of the pump shaft; the lower opening ring is arranged at the connecting part of the inner wall of the pump body and the front end part of the impeller; the rear mouth ring is arranged at the connecting part of the inner wall of the pump body and the rear end part of the impeller; the bearing box body assembly is arranged on the pump shaft and is positioned at the rear end of the pump shaft; the bearing box body assembly comprises a shaft sleeve, a bearing locking nut, a bearing main body, an oil injection port, a bearing gland and a rotor adjusting sleeve; the shaft sleeve is sleeved on the pump shaft; the bearing is arranged between the shaft sleeve and the bearing main body and is provided with a bearing locking nut; the oil injection port is arranged on the bearing main body; the bearing gland is fixedly connected with the bearing main body; the rotor adjusting sleeve is connected with the bearing gland; the number of the bearings is 2, spacer bushes are arranged among the 2 bearings, and the oil injection port is connected with the spacer bushes; the rotor adjusting sleeve is provided with an adjusting bolt, the rotor adjusting sleeve is connected with the shaft sleeve through the adjusting bolt, and the adjusting bolt is arranged in parallel with the pump shaft; rotor adjusting sleeve is equipped with adjusting collar lock nut, and adjusting collar lock nut is equipped with the locking pad, the utility model discloses can be used for the rotor axial of vertical submerged pump to adjust, structure scientific and reasonable, the rotor adjustment is convenient, and the bearing is lubricated abundant, long service life.
Drawings
FIG. 1 is a schematic structural view of an axially adjustable structure of a rotor of the vertical submerged pump in the embodiment;
FIG. 2 is a schematic structural diagram of a bearing box assembly of an axially adjustable structure of a rotor of the vertical submerged pump in the embodiment.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and 2, an axially adjustable structure of a rotor of a vertical submerged pump comprises a pump body 1, a pump shaft 2, an impeller 3, a lower port ring 4, a rear port ring 5 and a bearing box body assembly 6; the pump shaft 2 is arranged in the center of the interior of the pump body 1; the impeller 3 is arranged at the head part of the pump shaft 2; the lower opening ring 4 is arranged at the connecting part of the inner wall of the pump body 1 and the front end part of the impeller 3; the rear mouth ring 5 is arranged at the connecting part of the inner wall of the pump body 1 and the rear end part of the impeller 3; the bearing box body assembly 6 is arranged on the pump shaft 2, and the bearing box body assembly 6 is positioned at the rear end of the pump shaft 2.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the bearing box body assembly 6 comprises a shaft sleeve 7, a bearing 8, a bearing locking nut 9, a bearing main body 10, an oil injection port 11, a bearing gland 12 and a rotor adjusting sleeve 13; the shaft sleeve 7 is sleeved on the pump shaft 2; the bearing 8 is arranged between the shaft sleeve 7 and the bearing main body 10, and the bearing 8 is provided with a bearing locking nut 9; the oil filling port 11 is arranged on the bearing main body 10; the bearing gland 12 is fixedly connected with the bearing main body 10; the rotor adjusting sleeve 13 is connected with the bearing gland 12, so that the rotor part of the traditional submerged pump is designed into a structure that the rotor can be axially adjusted, the rotor can be axially adjusted according to actual accumulated errors during reassembling, the center of the impeller 3 is coincided with the center of the pump body 1, the rotor is convenient to adjust, the performance is more stable, and the service life is longer.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the number of the bearings 8 is 2, the distance sleeve 14 is arranged between the 2 bearings 8, the oil filling port 11 is connected with the distance sleeve 14, the supporting distance of the bearings 8 is conveniently and properly increased, the position of the oil filling port 11 is changed, the 2 bearings 8 can effectively contact lubricating grease, the lubrication of the bearings 8 is more sufficient, the effect is better, and the service life is longer.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the rotor adjusting sleeve 13 is provided with the adjusting bolt 15, the rotor adjusting sleeve 13 is connected with the shaft sleeve 7 through the adjusting bolt 15, the adjusting bolt 15 and the pump shaft 2 are arranged in parallel, and the position of the rotor adjusting sleeve 13 is convenient to adjust through the adjusting bolt 15, so that the rotor is adjusted in axial distance, the center of the impeller 3 is coincided with the center of the pump body 1, the operation is convenient and rapid, the adjusting position is accurate, and the performance is more reliable.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the rotor adjusting sleeve 13 is provided with an adjusting sleeve locking nut 16, the adjusting sleeve locking nut 16 is provided with a locking pad 17, so that the rotor adjusting sleeve 13 and the shaft sleeve 7 can be conveniently locked and are anti-loose, the operation is more convenient and faster, the adjusting position is more accurate, the locking effect is better, and the performance is safer and more reliable.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the shaft sleeve 7 is provided with the bolt hole, the inner thread is arranged in the bolt hole, and the shaft sleeve 7 is in threaded connection with the adjusting bolt 15 through the inner thread, so that the position can be adjusted more conveniently and more accurately, the connection is firmer and more stable, and the strength is higher.
In an embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the adjusting bolt 15 is made of high-strength alloy steel, so that the rotor is higher in strength, firmer, durable, longer in service life, safer and more reliable.
In one embodiment of the axial adjustable structure of the rotor of the vertical submerged pump, the shaft sleeve 7 is provided with scale marks, and the scale marks are arranged at the connecting part of the rotor adjusting sleeve 13 and the shaft sleeve 7, so that the position adjusting precision is higher, and the time and the labor are saved.
In an embodiment of the axial adjustable structure of the vertical submerged pump rotor, a sealing ring is arranged at the connecting part of the oil injection port 11 and the bearing main body 10, so that the sealing performance is better, and the structure is safer and more reliable.
In an embodiment of the axially adjustable structure of the rotor of the vertical submerged pump, the spacer 14 is made of wear-resistant and corrosion-resistant metal, so that the rotor is more firm and durable, has a longer service life, and is safer and more reliable.
The pump shaft 2 of the utility model is arranged in the center of the pump body 1; the impeller 3 is arranged at the head of the pump shaft 2; the lower opening ring 4 is arranged at the connecting part of the inner wall of the pump body 1 and the front end part of the impeller 3; the rear mouth ring 5 is arranged at the connecting part of the inner wall of the pump body 1 and the rear end part of the impeller 3; the bearing box body assembly 6 is arranged on the pump shaft 2, and the bearing box body assembly 6 is positioned at the rear end of the pump shaft 2; the bearing box body assembly 6 comprises a shaft sleeve 7, a bearing 8, a bearing locking nut 9, a bearing main body 10, an oil injection port 11, a bearing gland 12 and a rotor adjusting sleeve 13; the shaft sleeve 7 is sleeved on the pump shaft 2; the bearing 8 is arranged between the shaft sleeve 7 and the bearing main body 10, and the bearing 8 is provided with a bearing locking nut 9; the oil filler 11 is provided on the bearing main body 10; the bearing gland 12 is fixedly connected with the bearing main body 10; the rotor adjusting sleeve 13 is connected with the bearing cover 12; the number of the bearings 8 is 2, spacer bushes 14 are arranged among the 2 bearings 8, and the oil injection port 11 is connected with the spacer bushes 14; the rotor adjusting sleeve 13 is provided with an adjusting bolt 15, the rotor adjusting sleeve 13 is connected with the shaft sleeve 7 through the adjusting bolt 15, and the adjusting bolt 15 is arranged in parallel with the pump shaft 2; the rotor adjusting sleeve 13 is provided with an adjusting sleeve locking nut 16, the adjusting sleeve locking nut 16 is provided with a stop pad 17, and when the rotor adjusting sleeve is installed, the bearing 8 and the spacer 14 are assembled on the shaft sleeve 7, locked through the bearing locking nut 9 and installed in the bearing main body 10; then, a pressure bearing cover 12 is installed, because the weight of a vertically installed rotor is downward, the impeller 3 is in contact with a lower opening ring 4 at the moment, the relative position of the head of the pump shaft 2 and the bearing box body assembly 6 is measured and recorded, a rotor adjusting sleeve 13 is installed, the impeller 3 is in contact with a rear opening ring 5, the relative position of the head of the pump shaft 2 and the bearing box body assembly 6 is measured at the moment, the difference value of the relative positions measured twice is the distance that the whole impeller 3 can move in a string manner, and the value 1/2 is the middle value of the impeller 3 in the pump body 1; and then the rotor adjusting sleeve 13 is adjusted according to the 1/2 numerical value of the total string quantity, so that the rotor descends to the middle position of the impeller 3 in the pump body 1, and the rotor adjusting sleeve 13 is further locked and prevented from loosening through the stop pad 17 and the adjusting sleeve locking nut 16. The utility model discloses can be used for the rotor axial of vertical submerged pump to adjust, structure scientific and reasonable, the rotor adjustment is convenient, and the bearing is lubricated abundant, long service life.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a vertical submerged pump rotor axial adjustable structure which characterized in that: comprises a pump body (1), a pump shaft (2), an impeller (3), a lower port ring (4), a rear port ring (5) and a bearing box body assembly (6); the pump shaft (2) is arranged in the center of the interior of the pump body (1); the impeller (3) is arranged at the head of the pump shaft (2); the lower mouth ring (4) is arranged at the connecting part of the inner wall of the pump body (1) and the front end part of the impeller (3); the rear mouth ring (5) is arranged at the connecting part of the inner wall of the pump body (1) and the rear end part of the impeller (3); the bearing box body assembly (6) is arranged on the pump shaft (2), and the bearing box body assembly (6) is located at the rear end of the pump shaft (2).
2. The axially adjustable structure of a vertical submerged pump rotor according to claim 1, characterized in that: the bearing box body assembly (6) comprises a shaft sleeve (7), a bearing (8), a bearing locking nut (9), a bearing main body (10), an oil injection port (11), a bearing gland (12) and a rotor adjusting sleeve (13); the shaft sleeve (7) is sleeved on the pump shaft (2); the bearing (8) is arranged between the shaft sleeve (7) and the bearing main body (10), and the bearing (8) is provided with a bearing locking nut (9); the oil filling port (11) is arranged on the bearing main body (10); the bearing gland (12) is fixedly connected with the bearing main body (10); the rotor adjusting sleeve (13) is connected with the bearing gland (12).
3. The axially adjustable structure of a vertical submerged pump rotor according to claim 2, characterized in that: bearing (8) be equipped with 2, be equipped with spacer (14) between 2 bearing (8), oiling mouth (11) connect spacer (14).
4. The axially adjustable structure of a vertical submerged pump rotor according to claim 2, characterized in that: the rotor adjusting sleeve (13) is provided with an adjusting bolt (15), the rotor adjusting sleeve (13) is connected with the shaft sleeve (7) through the adjusting bolt (15), and the adjusting bolt (15) is arranged in parallel with the pump shaft (2).
5. The axially adjustable structure of a vertical submerged pump rotor according to claim 2, characterized in that: the rotor adjusting sleeve (13) is provided with an adjusting sleeve locking nut (16), and the adjusting sleeve locking nut (16) is provided with a stop pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383566.5U CN209925278U (en) | 2019-03-25 | 2019-03-25 | Vertical submerged pump rotor axial adjustable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383566.5U CN209925278U (en) | 2019-03-25 | 2019-03-25 | Vertical submerged pump rotor axial adjustable structure |
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| Publication Number | Publication Date |
|---|---|
| CN209925278U true CN209925278U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920383566.5U Active CN209925278U (en) | 2019-03-25 | 2019-03-25 | Vertical submerged pump rotor axial adjustable structure |
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| CN (1) | CN209925278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677687A (en) * | 2020-07-28 | 2020-09-18 | 杭州木野机械科技有限公司 | High-efficient centrifugal pump rotor supports end installation mechanism |
-
2019
- 2019-03-25 CN CN201920383566.5U patent/CN209925278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677687A (en) * | 2020-07-28 | 2020-09-18 | 杭州木野机械科技有限公司 | High-efficient centrifugal pump rotor supports end installation mechanism |
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