CN212563651U

CN212563651U - Arrangement structure of horizontal centrifugal pump

Info

Publication number: CN212563651U
Application number: CN202020695878.2U
Authority: CN
Inventors: 郭家宏; 朱金红; 谢学顶
Original assignee: Yangzhou Kaili Pump Co ltd
Current assignee: Yangzhou Kaili Pump Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-19
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a pump station engineering and fluid transport technical field just disclose a horizontal centrifugal pump arrangement structure, which comprises a pump body, the water inlet has been seted up in the left side of the pump body, the left end fixed mounting of water inlet has the filter, the inside fixed mounting of filter has filter screen one, the delivery port has been seted up to the upper end of the pump body, the pressure tapping hole has been seted up in the left side of delivery port, the inside fixed mounting of the pump body has mechanical seal. This centrifugal pump, through the front end fixed mounting filter at the water inlet of the pump body, some fibrous materials such as the cloth in a pair of process rivers of the inside filter screen of filter intercept, prevent that horizontal water pump from causing the condition of jam at the in-process impeller of work to take place, set up some two oil grooves through pump body inner wall upper end, the through-hole has been seted up to the upper end of its oil groove, make things convenient for lubricating oil to get into inside bearing and footstep bearing lubrication from the outside, prevent that long-time work from causing bearing wear.

Description

Arrangement structure of horizontal centrifugal pump

Technical Field

The utility model relates to a pump station engineering and fluid transport technical field specifically are a horizontal centrifugal pump arrangement structure.

Background

A centrifugal pump is a pump that transports liquid by centrifugal force generated when an impeller rotates, and works by causing water to centrifugally move by the rotation of the impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressure pipeline of the water pump through a flow channel of the volute-shaped pump shell, and therefore the purpose of conveying is achieved. Centrifugal pumps are various, and can be classified into civil and industrial pumps in use, and can be classified into clean water pumps, impurity pumps, corrosion-resistant pumps and the like in conveying media.

Horizontal centrifugal pump on the existing market is when drawing water to water, because water probably has some fiber materials such as bar cloth and causes the jam to the impeller in the centrifugal pump easily, influences its work, and when high work load work, comes the inside bearing of centrifugal pump down for a long time and causes wearing and tearing easily, and the temperature of work motor also can be too high, has reduced its life, influences the normal work of centrifugal pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal centrifugal pump arrangement structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a horizontal centrifugal pump arrangement structure comprises a pump body, wherein a water inlet is formed in the left side of the pump body, a filter plate is fixedly mounted at the left side of the water inlet, a first filter screen is fixedly mounted inside the filter plate, a water outlet is formed in the upper end of the pump body, a pressure tapping hole is formed in the left side of the water outlet, a mechanical seal is fixedly mounted inside the pump body, a bearing is fixedly mounted inside the pump body, a thrust bearing is fixedly mounted inside the pump body, a rotating shaft is rotatably connected inside the pump body, an impeller is fixedly mounted at the left end of the rotating shaft, a driving motor is rotatably connected at the right end of the rotating shaft, a bearing gland is fixedly mounted at the right end of the pump body, a second through hole is formed in the upper surface of the pump body, an oil groove is formed in the bottom end of the, the right side fixed mounting of the pump body has a motor case, the inside fixed mounting of motor case has driving motor, the inside right side fixed mounting of motor case has radiator fan, the vent has been seted up to the left wall of motor case, the inside fixedly connected with fixed plate of vent, the inside fixed mounting of vent has filter screen two.

Preferably, the mechanical seal, the bearing and the thrust bearing are rotatably connected with a rotating shaft in the center.

Preferably, the quantity of oil groove is 2, and the notch contact footstep bearing's of oil groove upper end, and the length of oil groove slightly is greater than footstep bearing's length, and the position of another oil groove is seted up in the inside of the pump body, the top of bearing and the upper end contact of bearing, and length slightly is greater than the length of bearing, and the through-hole has been seted up at the top of oil groove, and the through-hole top is pegged graft and is had the rubber buffer.

Preferably, the edge of filter has seted up through-hole one, and the quantity of through-hole one is 4, and the equidistance is seted up at the edge of filter, and 4 internal thread holes have been seted up to the left end of the pump body, and the bolt passes through a through-hole threaded connection and installs filter fixed mounting in the left end of the pump body in the internal thread hole.

Preferably, the left side of the motor case is provided with a plurality of heat dissipation through holes.

Preferably, the bottom fixed mounting of the pump body has PMKD, PMKD's upper surface right side fixed mounting has the backup pad, the last fixed surface of backup pad installs the motor case.

Preferably, the number of the fixing plates is 3, the fixing plates are fixedly connected inside the ventilation openings at equal intervals, the ventilation openings are divided into three ventilation openings with equal sizes, and a filter screen is fixedly installed inside each ventilation opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this arrangement structure of horizontal centrifugal pump, through the front end fixed mounting filter at the water inlet of the pump body, the inside fixed mounting of its filter has filter screen one, and some fibrous materials such as the cloth in a pair of the through rivers that pass through of the inside filter screen of filter intercept, prevent that horizontal water pump from causing the condition emergence of jam at the in-process impeller of work.

2. This horizontal centrifugal pump arrangement structure sets up some two oil grooves through pump body inner wall upper end, and the through-hole has been seted up to the upper end of its oil groove, makes things convenient for lubricating oil to get into inside from the outside and lubricates bearing and footstep bearing, prevents that the condition of bearing wearing and tearing from taking place when long-time high work load, and the right side radiator fan of motor case can dispel the heat to driving motor always, and the circulation of air inside the motor case is guaranteed to the heat dissipation through-hole, has improved the life and the operating mass of centrifugal pump.

Drawings

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

FIG. 2 is a schematic view of the left side structure of the motor box of the present invention;

FIG. 3 is a schematic structural view of the water inlet of the pump body according to the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

In the figure: the device comprises a pump body 1, a water inlet 2, a filter plate 3, a filter screen I4, a rotating shaft 5, an impeller 6, a water drainage hole 7, a pressure taking hole 8, a water outlet 9, a mechanical seal 10, a heat dissipation through hole 11, a motor box 12, a driving motor 13, a heat dissipation fan 14, a support plate 15, a bearing gland 16, a thrust bearing 17, a bearing 18, a fixing bottom plate 19, a vent 20, a filter screen II 21, a fixing plate 22, a through hole I23, a through hole II 24, a rubber plug 25 and an oil groove 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 fig. 1-4, the present invention provides a technical solution: a horizontal centrifugal pump arrangement structure comprises a pump body 1, a water inlet 2 is formed in the left side of the pump body 1, a filter plate 3 is fixedly installed at the left end of the water inlet 2, a filter screen 4 is fixedly installed inside the filter plate 3, a through hole 23 is formed in the edge of the filter plate 3, the number of the through holes 23 is 4, the filter screen 3 is equidistantly arranged at the edge of the

filter plate

3, 4 internal thread holes are formed in the left end of the pump body 1, a bolt penetrates through the through hole 23 and is in threaded connection with the internal thread holes to fixedly install the filter plate 3 at the left end of the pump body 1, the filter plate 3 is fixedly installed at the front end of the water inlet 2 of the pump body 1, the filter screen 4 is fixedly installed inside the filter plate 3, the filter screen 4 inside the filter plate 3 intercepts fiber materials such as cloth in passing water flow, the blockage of an impeller in the, the left side of the water outlet 9 is provided with a pressure taking hole 8, the inside of the pump body 1 is fixedly provided with a mechanical seal 10, the inside of the pump body 1 is fixedly provided with a bearing 18, the inside of the pump body 1 is fixedly provided with a thrust bearing 17, the inside of the pump body 1 is rotatably connected with a rotating shaft 5, the centers of the mechanical seal 10, the bearing 18 and the thrust bearing 17 are rotatably connected with the rotating shaft 5, the left end of the rotating shaft 5 is fixedly provided with an impeller 6, the right end of the rotating shaft 5 is rotatably connected with a driving motor 13 (the model can be YZR132M2-6), the right end of the pump body 1 is fixedly provided with a bearing gland 16, the upper surface of the pump body 1 is provided with a through hole II 24, the bottom end of the through hole II 24 is provided with an oil groove 26, the top end of the through hole II 24 is inserted with, the other oil groove is arranged inside the pump body 1, the upper part of the bearing 18 is contacted with the upper end of the bearing 18, the length is slightly larger than that of the bearing 18, the top of the oil groove is provided with a through hole, the top end of the through hole is inserted with a rubber plug, the upper end of the inner wall of the pump body 1 is provided with two oil grooves, the upper ends of the oil grooves are provided with through holes, so that lubricating oil can conveniently enter the inside from the outside to lubricate the bearing 18 and the thrust bearing 17, the bearing abrasion condition during long-time high workload is prevented, a right side cooling fan 14 (the model can be SJ1538HA2-AC) of the motor box 12 can always cool the driving motor 13, the cooling through holes 11 ensure the air circulation inside the motor box 12, the service life and the working quality of the centrifugal pump are improved, the left side of the bottom of the pump body 1 is provided with a water drainage hole 7, the right side of, and a plurality of heat dissipation through holes 11, a driving motor 13 (the model can be YZR132M2-6) is fixedly installed inside the motor box 12, a heat dissipation fan 14 (the model can be SJ1538HA2-AC) is fixedly installed on the right side inside the motor box 12, a vent 20 is formed in the left wall of the motor box 12, a fixing plate 22 is fixedly connected inside the vent 20, a filter screen two 21 is fixedly installed inside the vent 20, the number of the fixing plate 22 is 3, the fixing plate is fixedly connected inside the vent 20 at equal intervals, the vent 20 is divided into three vents with equal sizes, a filter screen is fixedly installed inside each vent, a fixing base plate 19 is fixedly installed at the bottom of the pump body 1, a supporting plate 15 is fixedly installed on the right side of the upper surface of the fixing base plate 19, and the motor box 12 is fixedly installed on the upper surface.

In the actual operation process, when this device uses, open driving motor 13, pivot 5 begins to rotate under driving motor 13's drive, the impeller is followed pivot 5 and is rotated, water comes in from water inlet 2, goes out from delivery port 9, radiator fan 14 dispels the heat to driving motor 13 always in the course of the work, when needs lubricate the internal bearing of the pump body 1, pull up rubber buffer 25 and inject lubricating oil through two 24 toward the oil groove in the through-hole, lubricating oil is lubricated inside flowing to the bearing along the bearing edge.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a horizontal centrifugal pump arrangement structure, includes the pump body (1), its characterized in that: the pump is characterized in that a water inlet (2) is formed in the left side of the pump body (1), a filter plate (3) is fixedly mounted at the left side of the water inlet (2), a filter screen I (4) is fixedly mounted inside the filter plate (3), a water outlet (9) is formed in the upper end of the pump body (1), a pressure taking hole (8) is formed in the left side of the water outlet (9), a mechanical seal (10) is fixedly mounted inside the pump body (1), a bearing (18) is fixedly mounted inside the pump body (1), a thrust bearing (17) is fixedly mounted inside the pump body (1), a rotating shaft (5) is rotatably connected inside the pump body (1), an impeller (6) is fixedly mounted at the left end of the rotating shaft (5), a driving motor (13) is rotatably connected at the right end of the rotating shaft (5), and a bearing gland (16), through-hole two (24) have been seted up to the upper surface of the pump body (1), oil groove (26) have been seted up to the bottom of through-hole two (24), peg graft on the top of through-hole two (24) has rubber buffer (25), hole (7) of draining have been seted up on the left side of the bottom of the pump body (1), the right side fixed mounting of the pump body (1) has motor case (12), the inside fixed mounting of motor case (12) has driving motor (13), the inside right side fixed mounting of motor case (12) has radiator fan (14), vent (20) have been seted up to the left wall of motor case (12), vent (20) inside fixedly connected with fixed plate (22), the inside fixed mounting of vent (20) has filter screen two (21).

2. A centrifugal horizontal pump arrangement according to claim 1, wherein: the mechanical seal (10), the bearing (18) and the thrust bearing (17) are rotatably connected with a rotating shaft (5) in the center.

3. A centrifugal horizontal pump arrangement according to claim 1, wherein: the quantity of oil groove (26) is 2, and the notch contact thrust bearing (17) of oil groove (26) upper end, and the length of oil groove (26) slightly is greater than the length of thrust bearing (17), and the inside in pump body (1) is seted up to the position of another oil groove, the top of bearing (18) and the upper end contact with bearing (18), and length slightly is greater than the length of bearing (18), and the top of oil groove has seted up the through-hole, and the through-hole top is pegged graft and is had the rubber buffer.

4. A centrifugal horizontal pump arrangement according to claim 1, wherein: through-hole (23) have been seted up at the edge of filter (3), and the quantity of through-hole (23) is 4, and the equidistance is seted up at the edge of filter (3), and 4 internal thread holes have been seted up to the left end of the pump body (1), and the bolt passes through-hole (23) threaded connection and in the left end of the internal thread hole with filter (3) fixed mounting at the pump body (1).

5. A centrifugal horizontal pump arrangement according to claim 1, wherein: the left side of the motor case (12) is provided with a plurality of heat dissipation through holes (11) and the number of the heat dissipation through holes (11) is a plurality.

6. A centrifugal horizontal pump arrangement according to claim 1, wherein: the pump body (1) bottom fixed mounting has PMKD (19), the upper surface right side fixed mounting of PMKD (19) has backup pad (15), the last fixed surface of backup pad (15) installs motor case (12).

7. A centrifugal horizontal pump arrangement according to claim 1, wherein: the quantity of fixed plate (22) is 3, and equidistance fixed connection is in the inside of vent (20) to divide vent (20) into three equal size vents, the inside of every vent all fixed mounting has the filter screen.