CN219038315U

CN219038315U - Mechanical seal performance contrast testing arrangement

Info

Publication number: CN219038315U
Application number: CN202320145963.5U
Authority: CN
Inventors: 陆明伟; 袁李涛; 陈灵锋; 鲁方引; 李楠; 张韦煌; 姜建飞
Original assignee: Shaoxing Miaohui Energy Technology Co ltd
Current assignee: Shaoxing Miaohui Energy Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-11
Publication date: 2023-05-16
Anticipated expiration: 2033-01-11

Abstract

The utility model discloses a mechanical sealing performance comparison testing device, which is characterized in that: including filling the water seat, it is provided with the inlet opening to fill water seat upper portion, it is provided with the water drain hole to fill water seat lower part, it all installs the sealing seat to fill water seat left and right sides both ends, sealing seat upper portion is provided with the oil filler point, sealing seat lower part is provided with the oil unloading hole, the one end that fills the water seat was kept away from to the sealing seat is connected with the seal end cover, form the seal liquid chamber between sealing seat and the seal end cover, wear to be equipped with the rotation axis in filling the water seat, the rotation axis runs through the sealing seat and the seal end cover setting of both sides, the one side that is close to filling the water seat inside the sealing seat is provided with the mounting groove, be provided with quiet ring in the mounting groove, the rotation axis passes quiet ring setting. According to the utility model, the performance advantages and disadvantages of the two groups of mechanical seals are obtained by comparing and testing the two groups of mechanical seals.

Description

Mechanical seal performance contrast testing arrangement

Technical Field

The utility model relates to the technical field of test equipment, in particular to a mechanical sealing performance comparison test device.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, keeps contact and relatively slides under the action of fluid pressure and the elastic force of a compensation mechanism and the cooperation of auxiliary seals, is used as an indispensable sealing device in rotary equipment, and is widely applied to chemical machinery and power mechanical equipment such as pumps, compressors, stirrers, centrifuges and filters due to the characteristics of reliable structure, small leakage amount, long service life, small power consumption and the like compared with the common sealing mode. When the same type mechanical seal of different brands needs to be replaced, the mechanical seal of a new brand needs to be compared with the original mechanical seal for quality consideration, so that the performance of the new mechanical seal is not weaker than that of the original mechanical seal.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a mechanical sealing performance comparison testing device.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a mechanical seal performance contrast testing arrangement, including filling water the seat, it is provided with the inlet port to fill water seat upper portion, it is provided with the water drain hole to fill water seat lower part, it all installs the sealing seat to fill water seat left and right sides, sealing seat upper portion is provided with the oil filler hole, sealing seat lower part is provided with the oil unloading hole, the one end that fills water the seat is kept away from to the sealing seat is connected with the seal end cover, form the seal chamber between sealing seat and the seal end cover, wear to be equipped with the rotation axis in filling water the seat, the rotation axis runs through sealing seat and the seal end cover setting of both sides, one side that is close to filling water the seat inside is provided with the mounting groove, be provided with quiet ring in the mounting groove, the rotation axis passes quiet ring setting, the part cover that is located the seal chamber in the rotation axis is equipped with spring holder and compensating ring, be provided with the spring between compensating ring and the spring holder, be provided with oil emulsification sensor on the sealing seat, one side that the seal end cover kept away from the sealing seat is provided with the skeleton oil blanket.

Preferably, a plurality of dismounting holes are formed in one side, close to the water filling seat, of the sealing seat, and the dismounting holes are communicated with the mounting groove.

Preferably, the water filling seat is provided with a pressure sensor.

Preferably, the sealing seat is provided with a temperature sensor.

Compared with the prior art, the utility model has the beneficial effects that: the two groups of mechanical seals are operated for a period of time under the same condition, the water content of the oil is detected by the oil emulsifying sensor, and the performance advantages and disadvantages of the two groups of mechanical seals are obtained by comparison.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of the present utility model in a use state.

Reference numerals: 1. a water filling seat; 2. a sealing seat; 3. sealing the end cover; 4. sealing the liquid cavity; 5. a water inlet hole; 6. a water discharge hole; 7. a mounting groove; 8. a stationary ring; 9. a spring seat; 10. a compensation ring; 11. a spring; 12. an oil filling hole; 13. an oil discharging hole; 14. an oil emulsion sensor; 15. a pressure sensor; 16. a temperature sensor; 17. a first sealing ring; 18. a second sealing ring; 19. a rotation shaft; 20. a framework oil seal; 21. disassembling the hole; 22. and a motor.

Detailed Description

Embodiments of the present utility model are described in detail below with reference to fig. 1-2.

The utility model provides a mechanical seal performance contrast testing arrangement, including filling water seat 1, it is provided with inlet opening 5 to fill water seat 1 upper portion, it is provided with water drain 6 to fill water seat 1 lower part, it all installs seal seat 2 to fill water seat 1 left and right sides both ends, adopt flange joint between filling water seat 1 and the seal seat 2, seal seat 2 upper portion is provided with oil filler hole 12, seal seat 2 lower part is provided with unloads oilhole 13, seal seat 2 keeps away from the one end of filling water seat 1 and is connected with seal end cover 3, form seal liquid chamber 4 between seal seat 2 and the seal end cover 3, wear to be equipped with rotation axis 19 in filling water seat 1, rotation axis 19 runs through seal seat 2 and seal end cover 3 setting of both sides, one side that seal seat 2 inside is close to filling water seat 1 is provided with mounting groove 7, be provided with quiet ring 8 in the mounting groove 7, rotation axis 19 passes quiet ring 8 setting, the partial cover that is located seal liquid intracavity 4 on rotation axis 19 is equipped with spring holder 9 and compensating ring 10, be provided with spring 11 between compensating ring 10 and the spring holder 9, be provided with oil emulsification sensor 14 on seal seat 2, one side that seal end cover 3 kept away from seal seat 2 is provided with skeleton 20.

The processor is connected with the oil emulsifying sensor 14, the pressure sensor 15 and the temperature sensor 16, and is used for receiving data of the oil emulsifying sensor 14, the pressure sensor 15 and the temperature sensor 16 and outputting the data to a display for displaying.

Before the test, the rotating shaft 19 is connected with a motor shaft of the motor 22 through a coupler, and the motor 22 drives the rotating shaft 19 to rotate for the test.

The stationary ring 8 and the compensating ring 10 cooperate to form a seal for blocking water in the water filling seat 1 from entering the liquid sealing cavity 4. The liquid sealing cavities 4 on two sides are respectively provided with a static ring 8 and a compensating ring 10 which are of the same type but different brands. The trace moisture in the oil in the liquid sealing cavity 4 is measured rapidly and accurately through the oil emulsifying sensor 14, and the detection data of the oil emulsifying sensors 14 on two sides are compared, so that the condition that the moisture content of the oil in the liquid sealing cavity 4 on two sides is high, the mechanical sealing experimental effect is poor in description of the high moisture content, and the comparison of the mechanical sealing effects of different brands is completed.

A plurality of dismounting holes 21 are formed in one side, close to the water filling seat 1, of the sealing seat 2, and the dismounting holes 21 are communicated with the mounting groove 7. In order to ensure tightness, the stationary ring 8 needs to be tightly clamped into the mounting groove 7 during mounting, and the stationary ring is difficult to detach during replacement during testing. After the disassembly hole 21 is formed in the sealing seat 2, a tool can penetrate through the disassembly hole 21 to prop against the stationary ring 8, so that the stationary ring 8 is pushed out of the mounting groove 7, and the disassembly is convenient.

The sealing end cover 3 is provided with a groove on one side far away from the sealing seat 2, a framework oil seal 20 is arranged in the groove, and the side wall of the outer Zhou Dizhu groove of the framework oil seal 20 enables the framework oil seal 20 to be fixed in the groove. The outer periphery of the inner Zhou Dizhu rotating shaft 19 of the framework oil seal 20 is matched with the rotating shaft 19 to form a seal while the rotation of the rotating shaft 19 is not influenced by the framework oil seal 20, so that liquid in the liquid sealing cavity 4 is prevented from flowing out through the shaft end, and the accuracy of detecting data of the oil emulsion sensor 14 is influenced.

The disassembly hole 21 is also formed in the sealing end cover 3, the disassembly hole 21 is communicated with the groove in the sealing end cover 3, and a tool can penetrate through the disassembly hole 21 to prop against the framework oil seal 20, so that the framework oil seal 20 can be conveniently taken out of the groove.

The water filling seat 1 is provided with a pressure sensor 15, so that the water pressure can be conveniently controlled, and the excessive water pressure is avoided. The sealing seat 2 is provided with a temperature sensor 16 which is convenient for detecting abnormal temperature rise.

The joint of the water filling seat 1 and the sealing seat 2 is provided with a first sealing ring 17, and the joint of the sealing seat 2 and the sealing end cover 3 is provided with a second sealing ring 18.

Sealing plugs are inserted into the water inlet 5, the water outlet 6, the oil filling hole 12 and the oil discharging hole 13 to keep sealing.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A mechanical seal performance contrast testing arrangement, its characterized in that: comprises a water filling seat (1), a water inlet hole (5) is arranged on the upper portion of the water filling seat (1), a water drain hole (6) is arranged on the lower portion of the water filling seat (1), a sealing seat (2) is arranged at the left end and the right end of the water filling seat (1), an oil filling hole (12) is arranged on the upper portion of the sealing seat (2), an oil discharging hole (13) is arranged on the lower portion of the sealing seat (2), one end, far away from the water filling seat (1), of the sealing seat (2) is connected with a sealing end cover (3), a liquid sealing cavity (4) is formed between the sealing seat (2) and the sealing end cover (3), a rotating shaft (19) penetrates through the water filling seat (1) and the sealing end cover (3), one side, close to the water filling seat (1) in the sealing seat (2) is provided with an installation groove (7), a static ring (8) is arranged in the installation groove (7), the rotating shaft (19) penetrates through the static ring (8), a part, which is positioned in the sealing cavity (4), of the sealing seat (9) and a compensation ring (10) is sleeved with a spring seat, a part, between the compensation ring (10) and the compensation ring (9) and the spring seat (9) is provided with a sensor (14), one side of the sealing end cover (3) far away from the sealing seat (2) is provided with a framework oil seal (20).

2. The mechanical seal performance comparison test device according to claim 1, wherein: a plurality of disassembly holes (21) are formed in one side, close to the water filling seat (1), of the sealing seat (2), and the disassembly holes (21) are communicated with the mounting groove (7).

3. The mechanical seal performance comparison test device according to claim 1, wherein: the water filling seat (1) is provided with a pressure sensor (15).

4. The mechanical seal performance comparison test device according to claim 1, wherein: the sealing seat (2) is provided with a temperature sensor (16).