CN209735519U - Stirring shaft water seal mechanism - Google Patents

Abstract

The utility model provides a stirring shaft water seal mechanism, which comprises a power component, a power frame, a stirring shaft and a water seal cylinder; the power assembly comprises a power output shaft, and the power output shaft is fixedly connected with the circumferential direction of the stirring shaft; the stirring shaft penetrates through the water seal cylinder in the length extension direction, and a water seal space is formed in a gap between the stirring shaft and the water seal cylinder; one end of the water seal cylinder is connected to the power frame and forms a first water seal, and the other end of the water seal cylinder forms a second water seal; the power frame contains power installation department and supports the base, power component installs on power installation department, the (mixing) shaft runs through the distal end that supports the base and reach power frame position. The utility model realizes the isolation and absorption of the peculiar smell gas in the stirring tank through the water seal cylinder, and avoids leakage; meanwhile, the condensation of the stirred materials at the opening of the water seal cylinder is avoided, and the function of adding water into the tank can be achieved.

Description

Stirring shaft water seal mechanism

Technical Field

The utility model relates to an agitating unit field specifically relates to a (mixing) shaft water seal mechanism.

Background

The stirrer is a device for forcing convection and uniform mixing of liquid and gas media, and the sealing at the stirring shaft is a more critical factor for ensuring the stirring effect, such as: in a stirring tank of a methane tank, on one hand, the generation of methane depends on anaerobic organisms, and the integral sealing property of the tank body is ensured to prevent external oxygen from entering; on the other hand, the raw material in the form of fluid exists in the stirring shaft dynamic seal position and is possibly coagulated into blocks, and the output of stirring power is finally influenced. In addition, the raw materials in the tank have odor, and if the odor cannot be sealed or absorbed, the surrounding environment is polluted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims at providing a stirring shaft water seal mechanism.

according to the utility model, the stirring shaft water seal mechanism comprises a power component, a power frame, a stirring shaft and a water seal cylinder;

The power assembly comprises a power output shaft, and the power output shaft is fixedly connected with the circumferential direction of the stirring shaft; the stirring shaft penetrates through the water seal cylinder in the length extension direction, and a water seal space is formed in a gap between the stirring shaft and the water seal cylinder;

one end of the water seal cylinder is connected to the power frame and forms a first water seal, and the other end of the water seal cylinder forms a second water seal;

The power frame contains power installation department and supports the base, power component installs on power installation department, the (mixing) shaft runs through the distal end that supports the base and reach power frame position.

Preferably, the power assembly comprises a motor and a speed reducer; the output shaft of the speed reducer forms the power output shaft, and the input shaft of the speed reducer is connected with the output shaft of the motor;

the output shaft of the motor and the power output shaft are staggered in the radial direction.

Preferably, the power frame further comprises a supporting cylinder, and the power mounting part, the supporting cylinder and the supporting base are sequentially connected;

The inner space of the support cylinder forms a guide space.

Preferably, the power take-off shaft and the stirring shaft are connected to each other in the guide space.

Preferably, the stirring shaft is connected with the inner wall of the support cylinder through an isolation guide assembly.

Preferably, the isolation guide assembly comprises a pre-welded support and a bearing assembly; the bearing assembly comprises a bearing shield and a bearing piece;

The bearing piece is arranged in the bearing shield, and two ends of the bearing piece rotating relatively are respectively connected to the stirring shaft and the bearing shield;

The bearing shield is fixedly connected to the support cylinder by a pre-welded support.

preferably, the bearing shield comprises a bearing housing and a bearing cap;

A shaft sleeve is fixedly connected to the circumferential direction of the stirring shaft; the shaft sleeve is connected to the bearing box and/or the bearing cover through a dynamic sealing structure.

preferably, a threaded pressing piece is arranged on the shaft sleeve and is positioned inside the bearing shield;

The threaded pressing member fixes the bearing member to the sleeve in the axial direction.

Preferably, an oil filling structure is arranged on the bearing cover.

Preferably, the power mounting part is connected with the supporting base through a reinforcing plate;

a plurality of the reinforcing plates are arranged along the circumference of the support cylinder.

compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model realizes the isolation and absorption of the peculiar smell gas in the stirring tank through the water seal cylinder, and avoids leakage; meanwhile, the condensation of the stirred materials at the opening of the water seal cylinder is avoided, and the function of adding water into the tank can be achieved.

2. The arrangement of the middle isolation guide component can isolate the power component and the water seal cylinder from each other on one hand, and further seal the peculiar smell gas; on the other hand, the limitation to the radial displacement of the stirring shaft is realized, and the swing of the stirring shaft is reduced.

3. The output shaft of the motor and the power output shaft are staggered, so that leakage of liquid such as lubricating oil to the position of the water sealing cylinder in structures such as the motor can be reduced.

Drawings

other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a stirring shaft water seal mechanism provided by the present invention;

Fig. 2 is a detailed view of the structure at the isolation guide assembly.

The figures show that:

Power assembly 810 bearing housing 832

Motor 811 bearing cap 833

speed reducer 812 bearing piece 834

power output shaft 813 prewelding support 835

Power frame 820 shaft sleeve 836

Power mounting portion 821 threaded compression member 837

Supporting cylinder 822 oiling structure 838

support base 823 dynamic seal structure 839

reinforcing plate 824 water seal cylinder 840

Stirring shaft 410 of isolation guide assembly 830

Bearing shield 831

Detailed Description

the present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the stirring shaft water seal mechanism provided by the present invention comprises a power assembly 810, a power frame 820, a stirring shaft 410 and a water seal cylinder 840; the power assembly 810 comprises a power output shaft 813, and the power output shaft 813 is fixedly connected with the circumferential direction of the stirring shaft 410; the stirring shaft 410 penetrates through the water seal cylinder 840 in the length extension direction, and a water seal space is formed in a gap between the stirring shaft 410 and the water seal cylinder 840; of the two ends of the water seal cylinder 840 in the axial direction, one end is connected to the power frame 820 and forms a first water seal, and the other end forms a second water seal. In practical application, the first water seal port can be used as a water inlet, and the second water seal port can be used as a water outlet; the power frame 820 comprises a power mounting part 821 and a supporting base 823, the power assembly 810 is mounted on the power mounting part 821, and the stirring shaft 410 penetrates through the supporting base 823 to reach the far end of the position of the power frame 820. In one embodiment, the power assembly 810 includes a motor 811 and a reducer 812; an output shaft of the speed reducer 812 forms the power output shaft 813, and an input shaft of the speed reducer 812 is connected with an output shaft of the motor 811; the output shaft of the motor 811 and the power output shaft 813 are radially offset from each other. Through the structure of staggering each other, avoid liquid such as lubricating oil of motor 811 department etc. to gather in the top of water seal section of thick bamboo 840, reduce the possibility that impurity flows into in the agitator tank. Preferably, the output shaft of the motor 811 and the power output shaft 813 can also be arranged coaxially, and further, the output shaft of the motor 811 can also directly form the power output shaft 813.

The power rack 820 further comprises a support cylinder 822, and a power mounting part 821, the support cylinder 822 and a support base 823 are connected in sequence; the inner space of the support cylinder 822 forms a guide space. The power take-off shaft 813 is interconnected with the stirring shaft 410 in said guiding space. Preferably, the power output shaft 813 is connected with the stirring shaft 410 outside the guide space. Preferably, the power mounting part 821 and the supporting base 823 are connected through a reinforcing plate 824; a plurality of the reinforcing plates 824 are arranged along the circumference of the support cylinder 822. The reinforcing plate 824 is arranged, so that the strength of the whole power frame 820 is enhanced, and the power assembly 810 is better supported.

As shown in fig. 2, the stirring shaft 410 is connected with the inner wall of the supporting cylinder 822 through an isolation guide assembly 830. The isolation guide assembly 830 comprises a pre-welded support 835 and a bearing assembly; the bearing assembly includes a bearing shield 831 and a bearing element 834; the bearing piece 834 is arranged in the bearing shield 831, and two opposite rotating ends of the bearing piece 834 are respectively connected to the stirring shaft 410 and the bearing shield 831; the bearing shield 831 is fixedly coupled to the support cylinder 822 by a pre-welded support 835. The bearing shield 831 includes a bearing housing 832 and a bearing cap 833; a shaft sleeve 836 is fixedly connected to the circumferential direction of the stirring shaft 410; the hub 836 is coupled to the bearing housing 832 and/or the bearing cap 833 by a dynamic seal structure 839 provided. A threaded pressing member 837 is arranged on the shaft sleeve 836, and the threaded pressing member 837 is positioned inside the bearing shield 831; the threaded fastener member 837 secures the bearing member in the axial direction to the sleeve 836. And an oil filling structure 838 is arranged on the bearing cap 833. In practical application, power component 810 drive (mixing) shaft 410 rotates, realizes the stirring to the material in the agitator tank, and (mixing) shaft 410 receives the restraint of keeping apart direction subassembly 830, effectively prevents radial swing, provides the operation stability. Meanwhile, the isolation guide assembly 830 can play an isolation role, and impurities are effectively prevented from entering the water seal cylinder 840. The bearing piece 834 in the guide space can be lubricated by oiling through the oiling structure 838, so that the friction loss is reduced. Water or other liquid is introduced into the water sealing cylinder 840, even high-speed gas can be used for sealing, peculiar smell gas in the stirring tank is prevented from dissipating, the stirring material is diluted, and the material is prevented from being condensed at the outlet of the water sealing cylinder 840.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A stirring shaft water seal mechanism is characterized by comprising a power assembly (810), a power frame (820), a stirring shaft (410) and a water seal cylinder (840);

The power assembly (810) comprises a power output shaft (813), and the power output shaft (813) is fixedly connected with the circumferential direction of the stirring shaft (410); the stirring shaft (410) penetrates through the water seal cylinder (840) in the length extending direction, and a water seal space is formed in a gap between the stirring shaft (410) and the water seal cylinder (840);

One end of the water seal cylinder (840) is connected to the power frame (820) along the two ends of the axial direction to form a first water seal, and the other end of the water seal cylinder forms a second water seal;

The power frame (820) comprises a power installation part (821) and a supporting base (823), the power assembly (810) is installed on the power installation part (821), and the stirring shaft (410) penetrates through the supporting base (823) to reach the far end of the position where the power frame (820) is located.

2. The stirring shaft water seal mechanism according to claim 1, wherein the power assembly (810) comprises a motor (811) and a reducer (812); the output shaft of the speed reducer (812) forms the power output shaft (813), and the input shaft of the speed reducer (812) is connected with the output shaft of the motor (811);

The output shaft of the motor (811) and the power output shaft (813) are radially offset from each other.

3. The stirring shaft water seal mechanism according to claim 1, wherein the power frame (820) further comprises a support cylinder (822), and the power mounting part (821), the support cylinder (822) and the support base (823) are sequentially connected;

The inner space of the support cylinder (822) forms a guide space.

4. The stirring shaft water seal mechanism according to claim 3, wherein the power output shaft (813) and the stirring shaft (410) are connected with each other in the guide space.

5. the stirring shaft water seal mechanism according to claim 3, wherein the stirring shaft (410) is connected with the inner wall of the support cylinder (822) through an isolation guide assembly (830).

6. The mixer shaft water seal mechanism of claim 5, wherein the isolation guide assembly (830) comprises a pre-welded support (835) and a bearing assembly; the bearing assembly comprises a bearing shield (831) and a bearing member (834);

the bearing piece (834) is arranged in the bearing shield (831), and two ends of the bearing piece (834) which rotate relatively are respectively connected to the stirring shaft (410) and the bearing shield (831);

the bearing shield (831) is fastened to the support cylinder (822) by means of a pre-welded support (835).

7. the stirring shaft water seal mechanism according to claim 6, wherein the bearing shield (831) comprises a bearing box (832) and a bearing cap (833);

a shaft sleeve (836) is fixedly connected to the circumferential direction of the stirring shaft (410); the shaft sleeve (836) is connected to the bearing box (832) and/or the bearing cover (833) through a dynamic sealing structure (839).

8. the stirring shaft water seal mechanism according to claim 7, wherein a threaded compression member (837) is disposed on the shaft sleeve (836), and the threaded compression member (837) is located inside the bearing shield (831);

A threaded fastener member (837) secures the bearing member in the axial direction to the sleeve (836).

9. the stirring shaft water seal mechanism according to claim 7, wherein an oil filling structure (838) is arranged on the bearing cap (833).

10. The stirring shaft water seal mechanism according to claim 3, wherein the power mounting part (821) is connected with the supporting base (823) through a reinforcing plate (824);

A plurality of the reinforcing plates (824) are arranged along the circumference of the support cylinder (822).