CN209952622U - Oil chamber of hydraulic mixer - Google Patents

Abstract

The utility model discloses an oil chamber of a hydraulic mixer, which comprises a first oil chamber and a second oil chamber arranged in the hydraulic mixer; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part which are sequentially connected, wherein the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the outer side of the tail water part; the first oil chamber is arranged in the guide vane part, the second oil chamber is arranged in the tail water part, and lubricating grease is filled in the first oil chamber and the second oil chamber; the utility model discloses set up first grease chamber and second grease chamber, be used for lubricated bearing and cooler to seal through the additional lubricating grease to have the isolation and reveal the liquid effect, make hydraulic mixer have good lubrication and cooling effect, facilitate promotion and application.

Description

Oil chamber of hydraulic mixer

Technical Field

The utility model relates to a sewage treatment device technical field, concretely relates to hydraulic mixer's grease chamber.

Background

A hydraulic stirrer used in a sewage treatment plant is a plug flow device in a sewage treatment production flow, the number of the hydraulic stirrers is large and indispensable in the sewage treatment plant, and because the hydraulic stirrer works in various sewage for years and months and the rotating speed of the hydraulic stirrer is mostly not synchronous, a motor directly connected with the hydraulic stirrer is soaked in the sewage for years, a reduction gearbox is required to be arranged, and some hydraulic stirrers have special requirements on explosion prevention and the like, so the hydraulic stirrer has harsh working environment, short service life and higher enterprise operation and maintenance cost; therefore, hydraulic mixers have appeared, which consist of a mixing impeller and a hydraulic machine; the submersible mixer supplies water through the water pump to provide kinetic energy and drives the mixing impeller in front of the hydraulic mixer to rotate to do work, the impeller in front of the hydraulic mixer rotates to push water flow in a flowing direction, and the cooling effect of a machine seal and a bearing in the conventional hydraulic mixer is poor, so that the popularization and the application of the hydraulic mixer are difficult.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hydraulic mixer's grease chamber has set up first grease chamber and second grease chamber, is used for lubricated bearing and cooler seal through the lubricating grease that installs additional to have the isolation and reveal the liquid effect, make hydraulic mixer can obtain using well.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an oil chamber of a hydraulic mixer comprises a first oil chamber and a second oil chamber which are arranged in the hydraulic mixer; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part which are sequentially connected, wherein the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the outer side of the tail water part; the first oil chamber is arranged in the guide vane part, the second oil chamber is arranged in the tail water part, and lubricating grease is filled in the first oil chamber and the second oil chamber.

As a preferred technical solution of the present invention: a first bearing seat connected with the main shaft through a first bearing is arranged in the guide vane part, a first mechanical sealing seat is arranged on the first bearing seat, and the first mechanical sealing seat is connected with a first mechanical seal arranged on the main shaft; the first mechanical seal seat, the first bearing seat and the first mechanical seal enclose a first oil chamber.

As a preferred technical solution of the present invention: a second bearing seat is arranged in the tail water part, a second bearing is arranged between the second bearing seat and the main shaft, a second mechanical sealing seat is arranged on the second bearing seat, and the second mechanical sealing seat is connected with a third mechanical seal arranged on the main shaft; and the second mechanical seal seat, the second bearing seat and the third mechanical seal enclose a second oil chamber.

As a preferred technical solution of the present invention: a first sealing ring is arranged between the first mechanical sealing seat and the first bearing seat, the first bearing is a tapered roller bearing, an adjusting shaft cover is arranged on the outer side of the first bearing seat, and an oil injection device is arranged on the adjusting shaft cover.

As a preferred technical solution of the present invention: a second sealing ring is arranged between the second mechanical sealing seat and the second bearing seat; the second bearing is a tapered roller bearing, and an oiling device is arranged on the second bearing seat.

As a preferred technical solution of the present invention: the oiling device is a straight-through oiling cup.

As a preferred technical solution of the present invention: the main shaft is also provided with a shaft check ring, the shaft check ring is positioned at the outer side of the tail water part, and a second mechanical seal is arranged on the main shaft between the tail water part and the shaft check ring; the guide vane part is connected with the volute, a plurality of guide vanes are arranged in the guide vane part, and sealing glue is filled at two ends of each guide vane; the runner part comprises a surrounding cover, a wheel blade and a runner body in key connection with the main shaft, the runner body is connected with the wheel blade, and a gasket is arranged on the side surface of the runner body facing the first mechanical seal.

As a preferred technical solution of the present invention: the lubricating grease is #2 lithium-based grease; lifting ring screws are arranged on the side of the guide vane part, and a support is arranged on the rear side of the guide vane part; a cap is arranged at the top of the main shaft, and a small gasket is arranged between the cap and the main shaft; and a plurality of key grooves are formed in the main shaft extending out of the tail water part.

The utility model discloses following beneficial effect has:

1. the utility model discloses an it stores up #2 lithium base grease to grease in first grease chamber and the second grease chamber for lubricated bearing seals with the cooler, and has the isolation and reveals the liquid effect, makes hydraulic mixer have good lubrication and cooling effect, facilitate promotion and application.

2. The arrangement of the first sealing ring, the second sealing ring and the third sealing ring and the arrangement of the first mechanical seal, the second mechanical seal and the third mechanical seal can prevent the first bearing and the second bearing from being damaged due to water entering the bearing chamber axially or radially.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

in fig. 1, a guide vane portion, 2, a runner portion, 3, a tail water portion, 4, a main shaft, 5, a turbine, 6, a key groove, 11, a first bearing, 12, a first bearing seat, 13, a first mechanical seal seat, 14, a first oil chamber, 15, a second bearing seat, 16, a second bearing, 17, a third mechanical seal, 18, a shaft retainer ring, 19, a second mechanical seal, 20, a second mechanical seal seat, 21, a second oil chamber, 22, a first seal ring, 23, an adjusting shaft cover, 24, a second seal ring, 25, a third seal ring, 26, a straight-through oil cup, 27, a guide vane, 28, a sealant, 29, a shroud, 30, a wheel blade, 31, a runner body, 32, a gasket, 33, a cap, 34, a small gasket, 37, a lifting ring screw, 38, a bracket, 39, a first mechanical seal, 40, and a cover.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the embodiment of the present invention provides an oil chamber of a hydraulic mixer, including a main shaft 4 and a guide vane portion 1, a runner portion 2, and a tail water portion 3 which are connected in sequence, the main shaft 4 penetrates through the guide vane portion 1, the runner portion 2, and the tail water portion 3 and then extends out of the tail water portion 3, the exterior of the guide vane portion 1 is connected with a volute of a turbine 5, a plurality of guide vanes 27 are arranged inside the guide vane portion, sealing glue 28 is filled at the joints of the two ends of the guide vanes 27, a first bearing seat 12 connected with the main shaft 4 through a first bearing 11 is arranged inside the guide vane portion 1, a first mechanical seal seat 13 is arranged on the first bearing seat 12, and the first mechanical seal seat 13 is connected with a first mechanical seal 39 arranged on the main shaft; a gasket 32 is arranged on the side surface of the runner body 31 facing the first mechanical seal 39; the first mechanical seal holder 13, the first bearing holder 12 and the first mechanical seal 39 enclose a first oil chamber 14, and the first oil chamber 14 is filled with grease.

The tail water part 3 is provided with a second bearing seat 15, the outer side of the second bearing seat 15 is provided with a cover 40, a second bearing 16 is arranged between the second bearing seat 15 and the main shaft 4, a second mechanical sealing seat 20 is arranged on the second bearing seat 15, and the second mechanical sealing seat 20 is connected with a third mechanical seal 17 arranged on the main shaft 4; a shaft retainer ring 18 is further arranged on the main shaft 4, the shaft retainer ring 18 is positioned on the outer side of the tail water part 3, a second mechanical seal 19 is arranged on the main shaft 4 between the tail water part 3 and the shaft retainer ring 18, a second oil chamber 21 is defined by a second mechanical seal seat 20, a second bearing seat 15 and a third mechanical seal 17, and lubricating grease is filled in the second oil chamber 21; an adjusting shaft cover 23 is arranged on the outer side of the first bearing seat 12, and a third sealing ring 25 is arranged between the adjusting shaft cover 23 and the first bearing seat 12; the adjusting shaft cover 23 and the second bearing seat 15 are provided with straight-through type oil injection cups 26, the lubricating grease is #2 lithium grease which is used for lubricating the bearing and the cooling machine seal and has the function of isolating leakage liquid, so that the hydraulic mixer has good lubricating and cooling effects and is convenient to popularize and apply.

A plurality of key grooves 6 are formed in the main shaft 4 extending out of the tail water part 3, the key grooves 6 are used for connecting blades, the stirring impeller is formed by two or three blades, the blades are wide and thin, and sweepback type blades with smooth surfaces are selected, so that the stirring impeller can run efficiently without winding; a cap 33 is arranged at the top of the main shaft 4, and a small gasket 34 is arranged between the cap 33 and the main shaft 4; the runner part 2 comprises a surrounding cover 29, vanes 30 and a runner body 31 which is in key connection with the main shaft 4, and the runner body 31 is connected with the vanes 30; the hydraulic mixer with the oil chamber has simple structure, no motor, convenient design, manufacture and maintenance; the side surface of the guide vane part 1 is provided with a lifting ring, the rear part of the guide vane part 1 is provided with a bracket 38, the lifting ring is preferably a lifting ring screw 37, the lifting ring screw 37 is connected with the outside through a rope, the bracket 38 can be connected with a guide rod fixed in a water pool, and thus the hydraulic mixer with an oil chamber can be lifted or lowered along the direction of the guide rod by pulling the rope; the guide rod is used for guiding the lifting or descending of the hydraulic mixer, the hydraulic mixer is supported during use, the mixing direction can be horizontally adjusted, and the hydraulic mixer can be detached and installed under the condition that pool water is not emptied.

A first sealing ring 22 is arranged between the first mechanical sealing seat 13 and the first bearing seat 12, a second sealing ring 24 is arranged between the second mechanical sealing seat 20 and the second bearing 16, the first bearing 11 and the second bearing 16 are tapered roller bearings, the tapered roller bearings are disposable lubrication bearings, and the design life is more than 100000 hours; first sealing washer 22, second sealing washer 24, third sealing washer 25 is O type sealing washer, first sealing washer 22, second sealing washer 24, third sealing washer 25 and first mechanical seal 39, second mechanical seal 19, setting up of third mechanical seal 17 and sealed glue 28 can be sealed bearing and first grease chamber, the second grease chamber, prevent the entering of sewage and other debris, thereby satisfy abominable operating mode such as sewage, silt, the major accident that the motor burns out has been stopped, effectively ensure hydraulic mixer's reliability, can long-term operation in sewage.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. An oil chamber of a hydraulic mixer, characterized in that: comprises a first oil chamber and a second oil chamber which are arranged in a hydraulic mixer; the hydraulic mixer comprises a main shaft, a guide vane part, a rotating wheel part and a tail water part which are sequentially connected, wherein the main shaft penetrates through the guide vane part, the rotating wheel part and the tail water part and then extends out of the outer side of the tail water part; the first oil chamber is arranged in the guide vane part, the second oil chamber is arranged in the tail water part, and lubricating grease is filled in the first oil chamber and the second oil chamber.

2. An oil chamber for a hydraulic mixer as defined in claim 1, wherein: a first bearing seat connected with the main shaft through a first bearing is arranged in the guide vane part, a first mechanical sealing seat is arranged on the first bearing seat, and the first mechanical sealing seat is connected with a first mechanical seal arranged on the main shaft; the first mechanical seal seat, the first bearing seat and the first mechanical seal enclose a first oil chamber.

3. An oil chamber for a hydraulic mixer as defined in claim 1, wherein: a second bearing seat is arranged in the tail water part, a second bearing is arranged between the second bearing seat and the main shaft, a second mechanical sealing seat is arranged on the second bearing seat, and the second mechanical sealing seat is connected with a third mechanical seal arranged on the main shaft; and the second mechanical seal seat, the second bearing seat and the third mechanical seal enclose a second oil chamber.

4. An oil chamber for a hydraulic mixer as defined in claim 2, wherein: a first sealing ring is arranged between the first mechanical sealing seat and the first bearing seat, the first bearing is a tapered roller bearing, an adjusting shaft cover is arranged on the outer side of the first bearing seat, and an oil injection device is arranged on the adjusting shaft cover.

5. An oil chamber for a hydraulic mixer as defined in claim 3, wherein: a second sealing ring is arranged between the second mechanical sealing seat and the second bearing seat; the second bearing is a tapered roller bearing, and an oiling device is arranged on the second bearing seat.

6. An oil chamber for a hydraulic mixer according to claim 4 or 5, wherein: the oiling device is a straight-through oiling cup.

7. An oil chamber for a hydraulic mixer according to any one of claims 1-5, characterized in that: the main shaft is also provided with a shaft check ring, the shaft check ring is positioned at the outer side of the tail water part, and a second mechanical seal is arranged on the main shaft between the tail water part and the shaft check ring; the guide vane part is connected with the volute, a plurality of guide vanes are arranged in the guide vane part, and sealing glue is filled at two ends of each guide vane; the runner part comprises a surrounding cover, a wheel blade and a runner body in key connection with the main shaft, the runner body is connected with the wheel blade, and a gasket is arranged on the side surface of the runner body facing the first mechanical seal.

8. An oil chamber for a hydraulic mixer according to any one of claims 1-5, characterized in that: the lubricating grease is #2 lithium-based grease; lifting ring screws are arranged on the side of the guide vane part, and a support is arranged on the rear side of the guide vane part; a cap is arranged at the top of the main shaft, and a small gasket is arranged between the cap and the main shaft; and a plurality of key grooves are formed in the main shaft extending out of the tail water part.

Images