CN216241453U

CN216241453U - Axially split pump bearing structure with bearing sleeve

Info

Publication number: CN216241453U
Application number: CN202121996913.5U
Authority: CN
Inventors: 张鹏; 王道红; 严红彬; 程星驰; 朱晓峰; 刘金灿
Original assignee: Jiangsu Feiyue Pump Co ltd
Current assignee: Jiangsu Feiyue Pump Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-04-08
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a bearing structure of a split pump with a bearing sleeve, which comprises a pump seat, a pump cover, a pump shaft and a bearing body, wherein a lower edge plate is arranged at the top of the pump seat; the oil return mechanism is composed of lower oil grooves arranged at four corners of the upper surface of the lower edge plate, upper oil grooves positioned at the bottom of the upper edge plate and corresponding to the lower oil grooves, and oil passages arranged on the lower edge plate and communicated with the lower oil grooves; the device also comprises an adjusting mechanism arranged at the top of the upper edge plate. The pump shaft rotates to drive lubricating oil to lubricate the joint, redundant lubricating oil in the positions of the pump shaft and the bearing body can be collected and stored, the lubricating oil is prevented from leaking from the joint of the pump base and the pump cover, the lubricating oil in the oil absorption block is extruded at intervals, the lubricating oil flows back to the joint of the pump shaft and the bearing body through the oil duct, the utilization efficiency of the lubricating oil is improved, and the disassembly frequency of the pump body is reduced.

Description

Axially split pump bearing structure with bearing sleeve

Technical Field

The utility model relates to the technical field of axially split pump bearings, in particular to an axially split pump bearing structure with a bearing sleeve.

Background

The split pump (split cycle) is also called a single-stage double suction centrifugal pump, and is mainly characterized by a large flow rate of a conveying medium. The operation principle of the split pump is as follows: the impeller is arranged in the pump shell and is fastened on the pump shaft, and the pump shaft is directly driven by the motor. The center of the pump shell is provided with a liquid suction pipe connected with the suction pipe. The liquid enters the pump through the bottom valve and the suction pipe. The liquid discharge port on the pump housing is connected to a discharge pipe. When the rotating speed of the pump is fixed, the pressure head and the flow rate of the pump are related to the diameter of the impeller.

The connecting parts of pump shafts and bearings at two ends of an existing axially split pump are excessive, if lubricating oil is excessive at the connecting parts of the pump shafts and the bearings, the lubricating oil can be thrown out by the pump shafts due to rotation of the pump shafts, and oil leakage occurs at the positions of axially split surfaces of a pump base and a pump cover, so that the problem is solved by an axially split pump bearing structure with a bearing sleeve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the pump bearing structure with the bearing sleeve, which is characterized in that the pump shaft rotates to drive lubricating oil to lubricate the joint, so that redundant lubricating oil at the joint of the pump shaft and the bearing body can be collected and stored, the situation that the lubricating oil leaks from the joint of the pump seat and the pump cover is prevented, the lubricating oil in the oil absorption block is extruded out at intervals, and flows back to the joint of the pump shaft and the bearing body through an oil duct, the utilization efficiency of the lubricating oil is improved, and the disassembly frequency of the pump body is reduced.

In order to solve the technical problems, the utility model provides the following technical scheme: a bearing structure of a split pump with a bearing sleeve comprises a pump seat, a pump cover, a pump shaft and a bearing body, wherein a lower edge plate is arranged at the top of the pump seat;

the oil return mechanism is composed of lower oil grooves arranged at four corners of the upper surface of the lower edge plate, upper oil grooves positioned at the bottom of the upper edge plate and corresponding to the lower oil grooves, and oil passages arranged on the lower edge plate and communicated with the lower oil grooves;

the oil tank is characterized by further comprising an adjusting mechanism arranged at the top of the upper edge plate, wherein the adjusting mechanism is composed of an oil suction block arranged in the lower oil tank, a pressing plate arranged in the upper oil tank, a telescopic rod arranged at the center of the top of the pressing plate, a handle arranged at the top of the telescopic rod and a spring sleeved on the telescopic rod.

As a preferable technical scheme, the top of the telescopic rod is provided with a regular quadrangular prism, the top of the regular quadrangular prism is provided with a screw rod, the center of the handle is provided with a connecting groove corresponding to the regular quadrangular prism, and the top of the screw rod is provided with a nut.

As a preferable technical scheme of the utility model, the two ends of the spring are provided with ring pads.

As a preferred technical scheme of the utility model, the pump shaft is positioned between the pump seat and the pump cover, the bearing body is arranged in the pump seat, the bearing body is sleeved at two ends of the pump shaft, and one end of the oil passage, which is far away from the oil discharge groove, is communicated with the pump seat at one side of the bearing body.

As a preferred technical scheme of the present invention, a bearing housing body is sleeved between the bearing body and the pump shaft, end covers are disposed at both ends of the pump base, and one end of the pump shaft penetrates through the bearing housing body and the end covers, respectively.

As a preferred technical scheme of the utility model, the two ends of the pump seat are respectively communicated with an input pipe and an output pipe.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. when the pump body is installed and used, the pump shaft rotates to enable lubricating oil to enter the lower oil groove and the upper oil groove through the space between the lower edge plate and the upper edge plate, the oil absorption block absorbs the lubricating oil, when the joint of the pump shaft, the bearing body and the bearing sleeve body needs to be lubricated, the telescopic rod is moved to drive the pressing plate to descend, further the oil absorption block is extruded, so that the lubricating oil stored in the oil absorption block is extruded out and flows into the joint of the pump shaft and the bearing body in the pump base through the oil duct, the pump shaft rotates to drive lubricating oil to lubricate the joint, so that the redundant lubricating oil at the positions of the pump shaft and the bearing body can be collected and stored, the situation that the lubricating oil leaks from the joint of the pump base and the pump cover is prevented, the lubricating oil in the oil absorption block is extruded out at intervals and flows back to the joint of the pump shaft and the bearing body through the oil duct, so that the utilization efficiency of the lubricating oil is improved, and the times of disassembling the pump body are reduced;

2. install the spring on the telescopic link, link together spread groove and regular quadrangular prism, install the nut on the lead screw, it is fixed with the telescopic link with the handle, through the setting of above-mentioned mechanism, lift the spring off from the telescopic link, be convenient for change when the spring damages, it is very convenient.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic perspective view of the back side of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 1 at point A in accordance with the present invention;

FIG. 5 is a schematic view of the structure of FIG. 2 at B according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 3 at point C according to the present invention.

Wherein: 1. a pump mount; 2. a pump cover; 3. a pump shaft; 4. a bearing body; 5. a lower edge plate; 6. an upper edge plate; 7. a lower oil groove; 8. an upper oil groove; 9. an oil passage; 10. an oil absorption block; 11. pressing a plate; 12. a telescopic rod; 13. a handle; 14. a spring; 15. a regular quadrangular prism; 16. a screw rod; 17. connecting grooves; 18. a nut; 19. a bearing housing body; 20. and (4) end covers.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-6, a bearing structure of a split pump with a bearing housing comprises a pump base 1, a pump cover 2, a pump shaft 3 and a bearing body 4, wherein a lower edge plate 5 is arranged at the top of the pump base 1, an upper edge plate 6 is arranged at the top of the pump cover 2, and an oil return mechanism is arranged between the lower edge plate 5 and the upper edge plate 6;

the oil return mechanism is composed of lower oil grooves 7 arranged at four corners of the upper surface of the lower edge plate 5, upper oil grooves 8 positioned at the bottom of the upper edge plate 6 and corresponding to the lower oil grooves 7, and oil passages 9 arranged on the lower edge plate 5 and communicated with the lower oil grooves 7;

the adjusting mechanism is composed of an oil suction block 10 arranged inside the lower oil groove 7, a pressing plate 11 arranged inside the upper oil groove 8, an expansion link 12 arranged at the center of the top of the pressing plate 11, a handle 13 arranged at the top of the expansion link 12 and a spring 14 sleeved on the expansion link 12;

when the pump body is installed and used, the pump shaft 3 rotates to enable lubricating oil to enter the lower oil groove 7 and the upper oil groove 8 through the space between the lower edge plate 5 and the upper edge plate 6, the oil absorption block 10 absorbs the lubricating oil, when the joint of the pump shaft 3, the bearing body 4 and the bearing sleeve body 19 needs to be lubricated, the telescopic rod 12 is moved to drive the pressing plate 11 to descend, the oil absorption block 10 is further extruded to extrude the internally stored lubricating oil to flow into the joint of the pump shaft 3 and the bearing body 4 in the pump base 1 through the oil duct 9, the connecting joint is lubricated by the lubricating oil driven by the rotation of the pump shaft 3, the redundant lubricating oil at the positions of the pump shaft 3 and the bearing body 4 can be collected and stored, the situation that the lubricating oil leaks from the joint of the pump base 1 and the pump cover 2 is prevented, the lubricating oil in the oil absorption block 10 is extruded at intervals, and flows back to the joint of the pump shaft 3 and the bearing body 4 through the oil duct 9, the utilization efficiency of lubricating oil is improved, and the number of times of dismantling the pump body is reduced.

In other embodiments, a regular quadrangular prism 15 is arranged at the top of the telescopic rod 12, a screw rod 16 is arranged at the top of the regular quadrangular prism 15, a connecting groove 17 corresponding to the regular quadrangular prism 15 is formed in the center of the handle 13, and a nut 18 is arranged at the top of the screw rod 16;

the spring 14 is arranged on the telescopic rod 12, the connecting groove 17 is connected with the regular quadrangular prism 15, the nut 18 is arranged on the screw rod 16, the handle 13 is fixed with the telescopic rod 12, and the spring 14 is detached from the telescopic rod 12 through the arrangement of the mechanism, so that the spring 14 can be conveniently replaced when damaged, and the replacement is very convenient.

In other embodiments, the spring 14 is provided with a ring pad at both ends; the two ends of the spring 14 are prevented from directly contacting the handle 13 and the upper edge plate 6, and the two ends of the spring 14 are protected.

In other embodiments, the pump shaft 3 is located between the pump base 1 and the pump cover 2, the bearing body 4 is arranged inside the pump base 1, the bearing body 4 is sleeved at two ends of the pump shaft 3, and one end of the oil passage 9, which is far away from the lower oil groove 7, is communicated with the pump base 1 on one side of the bearing body 4; lubricating oil can flow back to the joint of the pump shaft 3 and the bearing body 4 through the oil passage 9.

In other embodiments, a bearing sleeve body 19 is sleeved between the bearing body 4 and the pump shaft 3, end covers 20 are arranged at both ends of the pump base 1, and one end of the pump shaft 3 penetrates through the bearing sleeve body 19 and the end covers 20 respectively; a sealing gasket is arranged at the joint between the end cover 20 and the pump base 1 and the pump cover 2, so that the sealing effect at the end cover 20 is improved.

In other embodiments, the two ends of the pump seat 1 are respectively communicated with an input pipe and an output pipe; the pump body is used for inputting and outputting liquid.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It should be noted that, the electric components in the present application, such as the power unit, the first motor, the second motor, and the like, are all connected to the external controller, and the external controller is the prior art, and the present application does not improve the present application, so that it is not necessary to disclose the specific model, the circuit structure, and the like of the external controller, and the integrity of the present application is not affected.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take pump bearing structure of middle-open of bearing housing, includes pump seat (1), pump cover (2), pump shaft (3) and bearing body (4), its characterized in that: a lower edge plate (5) is arranged at the top of the pump seat (1), an upper edge plate (6) is arranged at the top of the pump cover (2), and an oil return mechanism is arranged between the lower edge plate (5) and the upper edge plate (6);

the oil return mechanism is composed of lower oil grooves (7) arranged at four corners of the upper surface of the lower edge plate (5), upper oil grooves (8) positioned at the bottom of the upper edge plate (6) and corresponding to the lower oil grooves (7), and oil ducts (9) arranged on the lower edge plate (5) and communicated with the lower oil grooves (7);

the oil tank is characterized by further comprising an adjusting mechanism arranged at the top of the upper edge plate (6), wherein the adjusting mechanism is composed of an oil absorption block (10) arranged inside the lower oil tank (7), a pressing plate (11) arranged inside the upper oil tank (8), a telescopic rod (12) arranged at the center of the top of the pressing plate (11), a handle (13) arranged at the top of the telescopic rod (12) and a spring (14) sleeved on the telescopic rod (12).

2. The pump bearing structure of claim 1, wherein: the top of the telescopic rod (12) is provided with a regular quadrangular prism (15), the top of the regular quadrangular prism (15) is provided with a screw rod (16), the center of the handle (13) is provided with a connecting groove (17) corresponding to the regular quadrangular prism (15), and the top of the screw rod (16) is provided with a nut (18).

3. The pump bearing structure of claim 1, wherein: and two ends of the spring (14) are provided with ring pads.

4. The pump bearing structure of claim 1, wherein: the pump shaft (3) is located between the pump base (1) and the pump cover (2), the bearing body (4) is arranged inside the pump base (1), the two ends of the pump shaft (3) are sleeved with the bearing body (4), and one end, away from the lower oil groove (7), of the oil duct (9) is communicated with the pump base (1) on one side of the bearing body (4).

5. The pump bearing structure of claim 1, wherein: bearing housing body (19) all overlap between bearing body (4) and pump shaft (3), pump seat (1) both ends all are provided with end cover (20), the one end of pump shaft (3) runs through respectively in bearing housing body (19) and end cover (20).

6. The pump bearing structure of claim 1, wherein: the two ends of the pump seat (1) are respectively communicated with an input pipe and an output pipe.