CN217207035U

CN217207035U - Vertical condensate pump bearing structure

Info

Publication number: CN217207035U
Application number: CN202220540733.4U
Authority: CN
Inventors: 张维学; 魏立志; 于庆
Original assignee: Shenyang Industrial Pump Factory Co ltd
Current assignee: Shenyang Industrial Pump Factory Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-16
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to a vertical condensate pump bearing structure, including spitting out the seat, its technical essential is: the oil tank support comprises a discharge seat, a discharge cylinder body, a sealing box body, a discharge short pipe and a discharge flange, wherein an outer support cylinder concentric with the discharge seat is arranged outside the discharge seat, the lower end of the outer support cylinder is welded and fixed with the lower flange, an upper flange is welded at the upper end of the outer support cylinder, an upper oil tank plate and a lower oil tank plate are welded at positions corresponding to the upper part of the discharge seat in the outer support cylinder body, a plurality of triangular reinforcing rib plates are uniformly welded between the upper surface of the upper oil tank plate and the inner wall of the outer support cylinder, an anti-vortex baffle is welded on the upper surface of the lower oil tank plate, the discharge short pipe penetrates through the outer support cylinder and is welded and fixed with the outer support cylinder, the discharge flange is positioned outside the outer support cylinder, and a balance plate is welded between the back side of the discharge short pipe and the outer support cylinder in the inner discharge cylinder body. The utility model provides a current bearing structure central height higher and arouse the problem of work vibrations aggravation, the fault rate of pump is low, makes the pump operation safe and reliable more.

Description

Vertical condensate pump bearing structure

Technical Field

The utility model relates to an industrial pump technical field, concretely relates to vertical condensate pump bearing structure.

Background

With the development of science and technology, the vertical condensate pump has wide application in various fields such as thermal power generation, nuclear power stations, petrochemical industry, chemical industry and the like. The supporting part is a shell part above the pump foundation and is used for supporting the inlet and outlet pipelines, the bearing body and the motor of the pump.

The existing water pump supporting structure comprises three parts, including a spitting seat, a bearing body support and a motor support, wherein the spitting seat is fixed on a cylinder body installed on a foundation, the bearing body support is installed on the spitting seat, and the motor support is installed on the bearing body support. Such a support structure has the following problems: 1. the number of components is large, the assembly is troublesome, the comprehensive accumulated tolerance is large, and the mounting precision of the pump is influenced; 2. after all the parts are assembled, the height of the supporting center is higher, and the working vibration of the pump is easily aggravated.

Disclosure of Invention

The utility model aims at providing a vertical condensate pump bearing structure rational in infrastructure, reliable in utilization, solve current bearing structure central height and higher and arouse the problem of work vibrations aggravation, easy operation simultaneously, the fault rate of pump is low, makes the pump operation safe and reliable more.

The technical scheme of the utility model is that:

the utility model provides a vertical condensate pump bearing structure, is including spitting out the seat, and its technical essential is: the oil tank support is characterized in that the spitting seat comprises a lower flange, an inner spitting barrel arranged on the upper surface of the lower flange, a sealing box body arranged at the upper end of the inner spitting barrel, a spitting short pipe communicated with the side wall of the inner spitting barrel, and a spitting flange arranged at the tail end of the spitting short pipe, an outer support barrel concentric with the spitting seat is covered on the outer side of the spitting seat, the lower end of the outer support barrel is welded and fixed with the lower flange, an upper flange used for mounting a motor is welded at the upper end of the outer support barrel, an oil tank upper plate and an oil tank lower plate are sequentially welded in the outer support barrel corresponding to the position above the spitting seat, the oil tank upper plate, the oil tank lower plate and the outer support barrel form an oil tank which is matched with a bearing body part and used for placing lubricating oil, a space between the oil tank upper plate and the upper flange is used for mounting a water pump bearing body, and a plurality of triangular reinforcing rib plates are uniformly welded between the upper surface of the oil tank upper plate and the inner wall of the outer support barrel, the upper surface of the lower plate of the oil tank is welded with an anti-vortex baffle plate around a central hole, the spitting short pipe penetrates through the outer support cylinder and is welded and fixed with the outer support cylinder, the spitting flange is positioned outside the outer support cylinder, and the balance plate is welded between the back side of the spitting short pipe and the outer support cylinder by the inner spitting cylinder.

In the vertical condensate pump supporting structure, the oil level connecting piece is arranged at the position of the outer supporting cylinder body corresponding to the oil tank.

According to the vertical condensate pump supporting structure, the plurality of longitudinal connecting ribs are uniformly arranged between the lower surface edge of the upper flange and the upper surface edge of the lower flange, and the longitudinal connecting ribs are welded and fixed with the outer supporting cylinder.

Foretell vertical condensate pump bearing structure, the lower surface of lower flange is close to the rigidity flexible connection sleeve of edge bolt hole, flexible connection sleeve's lower extreme inserts and installs in the impeller barrel upper end on the basis, the inside connecting piece that corresponds flexible connection sleeve that is equipped with of the upper port of impeller barrel, the upper port outside of impeller barrel is equipped with the annular support board, be equipped with annular yielding rubber post between annular support board and the lower flange, utilize the vice group link of bolt to fix between lower flange, annular yielding rubber post and the annular support board.

In the vertical condensate pump support structure, the flexible connecting sleeve is a metal corrugated pipe.

In the vertical condensate pump support structure, the flexible connecting sleeve is a rubber corrugated pipe.

In the vertical condensate pump supporting structure, the lower flange is additionally fixed with an exhaust pipe communicated with the interior of the flexible connecting sleeve, and the upper end of the exhaust pipe is led out of the outer supporting cylinder and is welded and fixed with the outer supporting cylinder.

The utility model has the advantages that:

1. the outer supporting cylinder body is welded and fixed with the upper flange and the lower flange, the inner spitting cylinder is welded with the lower flange to form an integral structure, and the inner spitting cylinder is positioned on the inner side of the outer supporting cylinder body of the supporting bearing body, so that the overall height of the supporting structure is reduced to a certain extent compared with the prior art, and meanwhile, the influence on the working vibration of the pump is reduced to a certain extent by adopting the triangular reinforcing rib plate, the vortex-preventing baffle plate and the balance plate, and the failure rate of the pump is greatly reduced.

2. The vortex-preventing baffle is adopted to prevent the oil in the oil tank from generating vortex under the rotating state, so that the bearing in the bearing body is continuously cooled and lubricated, and the fault rate of the pump is further reduced.

3. An annular damping rubber column is arranged between the annular supporting plate and the lower flange of the impeller cylinder body, so that an important axial damping effect is achieved, meanwhile, the flexible connecting sleeve avoids fluid leakage of the sealed impeller cylinder body when the annular supporting plate and the lower flange move relatively, and the impeller cylinder body damping device is safe and reliable to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the matching state of the present invention and the impeller cylinder.

In the figure: 1. the device comprises a motor adjusting block, 2, an upper flange, 3, an outer supporting cylinder, 4, an oil tank upper plate, 5, an oil pointer connecting piece, 6, an oil tank lower plate, 7, an inner discharging cylinder, 8, an exhaust pipe, 9, a lower flange, 10, a discharging flange, 11, a discharging short pipe, 12, a sealing box body, 13, a longitudinal connecting rib, 14, a triangular reinforcing rib plate, 15, a vortex-preventing baffle, 16, a balance plate, 17, a bolt pair group, 18, an annular damping rubber column, 19, an annular supporting plate, 20, an impeller cylinder, 21, a flexible connecting sleeve and 22, and a connecting piece.

Detailed description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the vertical condensate pump support structure includes a discharge seat composed of a lower flange 9, an inner discharge cylinder 7 provided on the upper surface of the lower flange 9, a sealing box 12 provided at the upper end of the inner discharge cylinder 7, a short discharge pipe 11 communicating with the side wall of the inner discharge cylinder 7, and a discharge flange 10 provided at the end of the short discharge pipe 11. An outer supporting cylinder 3 concentric with the spitting seat is arranged on the outer side of the spitting seat in a covering mode, the lower end of the outer supporting cylinder 3 is fixedly welded with a lower flange 9, and an upper flange 2 used for installing a motor is welded at the upper end of the outer supporting cylinder 3. The oil tank upper plate 4 and the oil tank lower plate 6 are sequentially welded at the positions corresponding to the upper part of the spitting seat in the outer support cylinder 3, and the oil tank upper plate 4, the oil tank lower plate 6 and the outer support cylinder 3 form an oil tank which is matched with a bearing body part and is used for containing lubricating oil. The space between the oil tank upper plate 4 and the upper flange 2 is used for installing a water pump bearing body, and a plurality of triangular reinforcing rib plates 14 are uniformly welded between the upper surface of the oil tank upper plate 4 and the inner wall of the outer support cylinder 3. The upper surface of the tank lower plate 6 is welded with a vortex breaker 15 around the central hole. The short spitting pipe 11 penetrates through the outer support cylinder 3 and is fixedly welded with the outer support cylinder 3, the spitting flange 10 is positioned outside the outer support cylinder 3, and the balance plate 16 is welded between the back side of the short spitting pipe 11 and the outer support cylinder 3 of the inner spitting cylinder 7.

In this embodiment, a plurality of longitudinal connecting ribs 13 are uniformly arranged between the lower surface edge of the upper flange 2 and the upper surface edge of the lower flange, and the longitudinal connecting ribs 13 are welded and fixed with the outer support cylinder 3. The lower surface of the lower flange 9 is close to a position fixing flexible connecting sleeve 21 of the edge bolt hole, the lower end of the flexible connecting sleeve 21 is inserted into the upper end of an impeller cylinder 20 arranged on a foundation, a connecting piece 22 corresponding to the flexible connecting sleeve 21 is arranged on the inner side of the upper end opening of the impeller cylinder 20, an annular supporting plate 19 is arranged on the outer side of the upper end opening of the impeller cylinder 20, an annular damping rubber column 18 is arranged between the annular supporting plate 19 and the lower flange 9, the annular damping rubber column 18 and the annular supporting plate 19 are fixedly connected through a bolt pair 17.

And an oil pointer connecting piece 5 is arranged at the position of the outer support cylinder 3 corresponding to the oil tank. An exhaust pipe 8 communicated with the interior of the flexible connecting sleeve 21 is additionally fixed on the lower flange 9, and the upper end of the exhaust pipe 8 is led out of the outer support cylinder 3 and is welded and fixed with the outer support cylinder. The flexible connecting sleeve 21 is a metal corrugated pipe or a rubber corrugated pipe. The inner spitting cylinder body 7, the spitting short pipe 11, the sealing box body 12 and the lower flange 9 form an outlet overflow area of the condensate pump, and the spitting flange 10 is used for being connected with an on-site pipeline. The edge of the upper flange 2 is welded with a motor adjusting block 1 for adjusting the motor, so that the motor is convenient to mount.

Before the work, will assemble motor and bearing body etc. the utility model discloses be connected fixedly as shown in figure 2 with impeller barrel 20, the impeller in the impeller barrel 20 and the axial lead coincidence of motor and bearing body are connected fixedly.

When the impeller during operation is driven by the motor, the work vibrations that produce are partly absorbed by annular shock-absorbing rubber post 18, and work vibrations are in itself moreover the utility model discloses multicomponent integral type structure and triangle-shaped deep floor, prevent whirlpool baffle and balance plate effect are showing down and are reducing. The working safety and reliability are improved.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a vertical condensate pump bearing structure, is including spitting out the seat, its characterized in that: the oil tank support is characterized in that the spitting seat comprises a lower flange, an inner spitting barrel arranged on the upper surface of the lower flange, a sealing box body arranged at the upper end of the inner spitting barrel, a spitting short pipe communicated with the side wall of the inner spitting barrel, and a spitting flange arranged at the tail end of the spitting short pipe, an outer support barrel concentric with the spitting seat is covered on the outer side of the spitting seat, the lower end of the outer support barrel is welded and fixed with the lower flange, an upper flange used for mounting a motor is welded at the upper end of the outer support barrel, an oil tank upper plate and an oil tank lower plate are sequentially welded in the outer support barrel corresponding to the position above the spitting seat, the oil tank upper plate, the oil tank lower plate and the outer support barrel form an oil tank which is matched with a bearing body part and used for placing lubricating oil, a space between the oil tank upper plate and the upper flange is used for mounting a water pump bearing body, and a plurality of triangular reinforcing rib plates are uniformly welded between the upper surface of the oil tank upper plate and the inner wall of the outer support barrel, the upper surface of the lower plate of the oil tank is welded with an anti-vortex baffle plate around a central hole, the spitting short pipe penetrates through the outer support cylinder and is welded and fixed with the outer support cylinder, the spitting flange is positioned outside the outer support cylinder, and the balance plate is welded between the back side of the spitting short pipe and the outer support cylinder by the inner spitting cylinder.

2. The vertical condensate pump support structure of claim 1, wherein: and the position of the outer support cylinder body corresponding to the oil tank is provided with an oil pointer connecting piece.

3. The vertical condensate pump support structure of claim 1, wherein: a plurality of longitudinal connecting ribs are uniformly arranged between the edge of the lower surface of the upper flange and the edge of the upper surface of the lower flange, and the longitudinal connecting ribs are welded and fixed with the outer support cylinder.

4. The vertical condensate pump support structure of claim 1, wherein: the lower surface of the lower flange is close to the position fixing flexible connecting sleeve of the edge bolt hole, the lower end of the flexible connecting sleeve is inserted into the upper end of an impeller cylinder body arranged on the basis, a connecting piece corresponding to the flexible connecting sleeve is arranged on the inner side of the upper end opening of the impeller cylinder body, an annular supporting plate is arranged on the outer side of the upper end opening of the impeller cylinder body, an annular damping rubber column is arranged between the annular supporting plate and the lower flange, the annular damping rubber column and the annular supporting plate are fixedly connected through a bolt pair group.

5. The vertical condensate pump support structure of claim 4, wherein: the flexible connecting sleeve is a metal corrugated pipe.

6. The vertical condensate pump support structure of claim 4, wherein: the flexible connecting sleeve is a rubber corrugated pipe.

7. The vertical condensate pump support structure of claim 1, wherein: an exhaust pipe communicated with the interior of the flexible connecting sleeve is fixed on the lower flange, and the upper end of the exhaust pipe is led out of the outer supporting cylinder and is welded and fixed with the outer supporting cylinder.