CN215890495U - Vertical pipeline type centrifugal pump - Google Patents
Vertical pipeline type centrifugal pump Download PDFInfo
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- CN215890495U CN215890495U CN202122058977.7U CN202122058977U CN215890495U CN 215890495 U CN215890495 U CN 215890495U CN 202122058977 U CN202122058977 U CN 202122058977U CN 215890495 U CN215890495 U CN 215890495U
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Abstract
The utility model discloses a vertical pipeline type centrifugal pump, which relates to the technical field of pipeline type centrifugal pumps and comprises a pump body, a pump cover, an impeller, a bearing box, a main shaft and a motor, wherein an oil storage cavity is formed in the bearing box, a first bearing group is arranged above the oil storage cavity, a second bearing group is arranged below the oil storage cavity, the main shaft is respectively and rotatably connected into the bearing box through the first bearing group and the second bearing group, a lubricating oil pipeline is arranged in the bearing box and positioned at one side of the oil storage cavity, the upper end of the lubricating oil pipeline is arranged above the first bearing group, the lower end of the lubricating oil pipeline is arranged below the second bearing group, an oil ring is fixedly connected onto the main shaft and positioned in the oil storage cavity, two holes are formed in the pump cover, a mechanical seal is arranged in the pump cover, and a pressure relief exhaust device is arranged on the pump cover, the lubricating oil circulation flow channel in the bearing box can ensure the lubricating effect of the rolling bearing.
Description
Technical Field
The utility model relates to the technical field of pipeline type centrifugal pumps, in particular to a vertical pipeline type centrifugal pump.
Background
The centrifugal pump is the pump that produces when relying on the impeller rotation to carry liquid, the centrifugal pump utilizes the impeller rotation and makes water take place centrifugal motion and come work, the water pump is before starting, must make the pump case and absorb water and manage and be full of water, then starter motor, make the pump shaft drive impeller and water and be high-speed rotary motion, water takes place centrifugal motion, be got rid of to the impeller outer fringe, the pressure water pipeline of runner inflow water pump through the snail pump case, in the utility model patent that bulletin number is CN212744525U, a vertical pipeline centrifugal pump is disclosed, vertical pipeline centrifugal pump includes: a pump body; the driving assembly penetrates through the bottom of the pump body; the water inlet channel is communicated with one end of the pump body; the water outlet channel is communicated with the other end of the pump body; and the filter assembly is arranged between the top and the bottom of the inner wall of the water inlet channel. The utility model discloses a vertical pipeline formula centrifugal pump that provides can filter the impurity in the rivers through filtering component and block, the impurity to rivers china that can be fine filters and blocks, the effectual impurity of having avoided causes the damage to the impeller of high-speed rotation, telescopic link through in the anti-locking subassembly in addition, cooperation between spring and the arc dog can be fine dismantles the change to the filter, and when installing the filter again, also convenient very fast, centrifugal pump life has been prolonged, however, the device is when using, lubricated effect is not good.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a vertical pipeline type centrifugal pump, which solves the technical problem that the lubricating effect of the prior device is poor.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a vertical pipeline formula centrifugal pump, includes the pump body, pump cover, impeller, bearing box, main shaft, motor, set up the oil storage chamber in the bearing box, first bearing group is installed to oil storage chamber top, second bearing group is installed to oil storage chamber below, the main shaft passes through respectively first bearing group and second bearing group rotate connect in the bearing box, just be located in the bearing box lubricating oil pipeline has been seted up to oil storage chamber one side, lubricating oil pipeline upper end mouth is arranged in first bearing group top, lubricating oil pipeline lower end mouth is arranged in second bearing group below, just be located on the main shaft oil storage intracavity rigid coupling has the oil ring, two pressure release holes have been seted up on the pump cover, install mechanical seal in the pump cover, install exhaust apparatus on the pump cover.
Preferably, the exhaust device comprises an exhaust pipe communicated with the upper part of one side of the pump cover, and one end of the exhaust pipe penetrates through the bearing box and is provided with a valve.
Preferably, the impeller is a shrouded impeller.
Preferably, the pump body suction chamber is in a semi-spiral shape.
Preferably, an oil supplementing cup is fixedly connected to one side wall of the bearing box, and the oil supplementing cup is communicated with the oil storage cavity.
Preferably, an oil level window is fixedly connected to the other side wall of the bearing box, and the oil level window is communicated with the lubricating oil pipeline.
Preferably, an acid blocking ring is fixedly connected to the main shaft and above the bearing box.
Advantageous effects
The utility model provides a vertical pipeline type centrifugal pump which has the advantages that the lubricating effect of a rolling bearing can be ensured through a lubricating oil circulating flow passage in a bearing box, and the lubricating oil storage can be conveniently and visually observed through an oil level window.
Drawings
Fig. 1 is a front view of the internal structure of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is an enlarged view of the pump cap of the present invention.
In the figure: 1-a pump body; 2-pump cover; 3-an impeller; 4-a main shaft; 5, a motor; 6-bearing housing; 7-an oil storage cavity; 8-a first bearing set; 9-a second bearing set; 10-lubricating oil pipeline; 11-oil rings; 12-pressure relief holes; 13-mechanical sealing; 14-an exhaust pipe; 15-a valve; 16-oil supplement cup; 17-oil level window; 18-acid blocking ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: a vertical pipeline type centrifugal pump comprises a pump body 1, a pump cover 2, an impeller 3, a bearing box 6, a main shaft 4 and a motor 5, wherein an oil storage cavity 7 is formed in the bearing box 6, a first bearing group 8 is installed above the oil storage cavity 7, a second bearing group 9 is installed below the oil storage cavity 7, the main shaft 4 is rotatably connected into the bearing box 6 through the first bearing group 8 and the second bearing group 9 respectively, a lubricating oil pipeline 10 is arranged in the bearing box 6 and positioned on one side of the oil storage cavity 7, the upper port of the lubricating oil pipeline 10 is arranged above the first bearing group 8, the lower port of the lubricating oil pipeline 10 is arranged below the second bearing group 9, an oil ring 11 is fixedly connected onto the main shaft 4 and positioned in the oil storage cavity 7, two pressure relief holes 12 are formed in the pump cover 2, a mechanical seal 13 is installed in the pump cover 2, an exhaust device is arranged on the pump cover 2; the exhaust device comprises an exhaust pipe 14 communicated above one side of the pump cover 2, and one end of the exhaust pipe 14 penetrates through the bearing box 6 and is provided with a valve 15; the impeller 3 is a closed impeller 3; the suction chamber of the pump body 1 is in a semi-spiral shape; an oil supplementing cup 16 is fixedly connected to one side wall of the bearing box 6, and the oil supplementing cup 16 is communicated with the oil storage cavity 7; an oil level window 17 is fixedly connected to the other side wall of the bearing box 6, and the oil level window 17 is communicated with the lubricating oil pipeline 10; an acid blocking ring 18 is fixedly connected to the main shaft 4 and above the bearing box 6.
Example (b): according to the attached figures 1-3 in the specification, when the oil level detection device is used, the bearings in the bearing box are lubricated by thin oil, the pressure relief holes in the pump cover are formed by machining or casting, the bearing box is provided with a lubricating oil circulation flow passage, the lubricating effect of a rolling bearing can be guaranteed, and the oil level window is arranged on the lubricating oil circulation flow passage and is convenient for visual observation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Claims (7)
1. The utility model provides a vertical pipeline formula centrifugal pump, includes the pump body (1), pump cover (2), impeller (3), bearing box (6), main shaft (4), motor (5), its characterized in that, set up oil storage chamber (7) in bearing box (6), first bearing group (8) are installed to oil storage chamber (7) top, second bearing group (9) are installed to oil storage chamber (7) below, main shaft (4) respectively through first bearing group (8) and second bearing group (9) rotate connect in bearing box (6), just be located in bearing box (6) oil storage chamber (7) one side has seted up lubricated oil pipe way (10), lubricated oil pipe way (10) upper end is arranged in first bearing group (8) top, lubricated oil pipe way (10) lower end is arranged in second bearing group (9) below, the oil-saving pump is characterized in that an oil ring (11) is fixedly connected to the main shaft (4) and located in the oil storage cavity (7), two pressure relief holes (12) are formed in the pump cover (2), a mechanical seal (13) is installed in the pump cover (2), and an exhaust device is installed on the pump cover (2).
2. A vertical tube centrifugal pump according to claim 1, wherein the air discharge means comprises an air discharge tube (14) communicating above one side of the pump cover (2), one end of the air discharge tube (14) having a valve (15) mounted through the bearing housing (6).
3. A vertical tube centrifugal pump according to claim 1, characterized in that the impeller (3) is a shrouded impeller (3).
4. Vertical tube centrifugal pump according to claim 1, characterized in that the suction chamber of the pump body (1) is semi-helicoidal.
5. A vertical tube centrifugal pump according to claim 1, wherein an oil supply cup (16) is fixedly connected to a side wall of the bearing housing (6), and the oil supply cup (16) is communicated with the oil storage chamber (7).
6. A vertical tube centrifugal pump according to claim 1, wherein a fuel level window (17) is fixedly attached to the other side wall of the bearing housing (6), and the fuel level window (17) communicates with the lubricating oil tube (10).
7. A vertical tube centrifugal pump according to claim 1, characterized in that an acid-retaining ring (18) is fastened to the main shaft (4) above the bearing housing (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122058977.7U CN215890495U (en) | 2021-08-30 | 2021-08-30 | Vertical pipeline type centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122058977.7U CN215890495U (en) | 2021-08-30 | 2021-08-30 | Vertical pipeline type centrifugal pump |
Publications (1)
Publication Number | Publication Date |
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CN215890495U true CN215890495U (en) | 2022-02-22 |
Family
ID=80342112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122058977.7U Active CN215890495U (en) | 2021-08-30 | 2021-08-30 | Vertical pipeline type centrifugal pump |
Country Status (1)
Country | Link |
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CN (1) | CN215890495U (en) |
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2021
- 2021-08-30 CN CN202122058977.7U patent/CN215890495U/en active Active
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