CN213658192U

CN213658192U - Mechanical seal friction ring detection device

Info

Publication number: CN213658192U
Application number: CN202022668935.0U
Authority: CN
Inventors: 刘拥
Original assignee: John Borman Industrial Equipment Zhangjiagang Co ltd
Current assignee: John Borman Industrial Equipment Zhangjiagang Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-09
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a mechanical seal friction ring detection device, involve mechanical seal friction ring detection technical field, including examining test table, examine test table's upper end middle part and examine test table's upper end through fixed block fixedly connected with down, the upper end lateral wall that examines test table down is the toper setting, the upper end right side fixedly connected with L shaped plate of examining test table, the horizontal part lower extreme fixedly connected with hydraulic stem of L shaped plate, the lower extreme of hydraulic stem is connected with through elastic mechanism and examines test table, the lower extreme that goes up to examine test table is the toper and caves in the setting, go up to examine test table and examine down and to examine between the test table and hold the friction ring that awaits measuring, the lower extreme that examines test table is equipped with inflating mechanism, go up the inside fixedly connected with pressure sensor who examines test table, the horizontal part lower extreme of L shaped. The utility model discloses can directly detect the leakproofness of the sealed friction ring of different footpaths, and detection efficiency is high, and it is high to detect the precision, and the people of being convenient for use.

Description

Mechanical seal friction ring detection device

Technical Field

The utility model relates to a mechanical seal friction ring detects technical field, in particular to mechanical seal friction ring detection device.

Background

The mechanical seal is a shaft seal device of a rotating machine. For example, in equipment such as a centrifugal pump, a centrifuge, a reaction kettle, a compressor and the like, a transmission shaft penetrates through the inside and the outside of the equipment, so that a circumferential gap exists between the shaft and the equipment, a medium in the equipment leaks outwards through the gap, if the pressure in the equipment is lower than the atmospheric pressure, air leaks into the equipment, a shaft sealing device for preventing leakage is required, the types of shaft seals are various, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so that the mechanical seal in the world is the most important shaft sealing mode in the equipment.

When the mechanical seal friction ring is installed and used, static seal detection needs to be carried out firstly, the whole mechanical seal can be detected only after being completely installed in the traditional detection method, and once the problem occurs, the mechanical seal friction ring still needs to be disassembled and replaced again, at present, the detection device for the seal friction ring is complex in operation and complex in process when the mechanical seal friction ring is detected for friction rings with different sizes, and the detection efficiency is influenced.

Therefore, it is necessary to invent a mechanical seal friction ring detecting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal friction ring detection device, in order to solve the mechanical seal friction ring that proposes in the above-mentioned background art when the installation uses, need carry out static seal earlier and detect, and just can detect after installing whole mechanical seal completely in traditional detection method, in case the problem still need dismantle the replacement again very loaded down with trivial details, at present, some are more loaded down with trivial details to the detection device of sealed friction ring when detecting the friction ring of different chi footpaths, the process is more complicated, influence detection efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal friction ring detection device, is including examining test table, examine the upper end middle part of test table and examine test table through fixed block fixedly connected with down, the upper end lateral wall that examines test table down is the toper setting, the upper end right side fixedly connected with L shaped plate of test table, the horizontal part lower extreme fixedly connected with hydraulic stem of L shaped plate, the lower extreme of hydraulic stem is connected with through elastic mechanism and examines test table, the lower extreme that goes up to examine test table is the toper and caves in the setting, go up to examine test table and examine down and to examine between the test table the clamp have the friction ring that awaits measuring, the lower extreme that examines test table is equipped with inflating mechanism, the inside fixedly connected with pressure sensor who goes up to examine test table, the horizontal part lower extreme of L shaped plate is fixedly connected with display still.

Preferably, the inflation mechanism includes the air pump, the air pump is with the lower extreme fixed connection who detects the platform, the output fixedly connected with gas tube of air pump, the other end of gas tube is fixed in proper order and runs through the fixed block and detect the seat down and extend the top of detecting the seat down, the fixed control valve that is equipped with of one end that the pipe wall of gas tube is close to the air pump.

Preferably, the upper surface of the lower detection seat is fixedly connected with a first sealing gasket, and a first opening matched with the inflation tube is formed in the middle of the upper end of the first sealing gasket.

Preferably, the lower inner side wall of the upper detection seat is fixedly connected with a second sealing gasket, and a second opening matched with the pressure sensor is formed in the middle of the lower end of the second sealing gasket.

Preferably, elastic mechanism includes first connecting plate and second connecting plate, the lower extreme fixed connection of first connecting plate and hydraulic stem, the upper end middle part fixed connection of second connecting plate and last detection seat, the equal fixedly connected with threaded rod in upper end four corners department of second connecting plate the lower extreme four corners department of first connecting plate all seted up with threaded rod assorted round mouth and with four threaded rod sliding connection, four the equal threaded connection in pole wall top of threaded rod has the nut, four the pole wall of threaded rod all still the activity has cup jointed the spring, four the spring all is located between first connecting plate and the second connecting plate.

Preferably, the lower end four corners department of examining test table all fixedly connected with universal wheel, four all fixedly on the universal wheel be equipped with the service brake.

The utility model discloses a technological effect and advantage:

1. the friction ring to be detected can be horizontally placed on the lower detection seat through the mutual matching of the detection table, the upper detection seat, the lower detection seat, the air pump, the inflation tube, the L-shaped plate, the hydraulic rod, the pressure sensor and the display, the upper detection seat and the lower detection seat can drive the upper detection seat to move downwards, so that the upper detection seat and the lower detection seat can clamp and fix the friction ring to be detected, the upper end of the lower detection seat is in a conical arrangement, the lower end of the upper detection seat is in a conical concave arrangement, the friction ring to be detected can be automatically positioned in the middle, a cavity can be formed in the friction ring to be detected, the air pump can be used for inflating, air enters the cavity through the inflation tube, the inflation is stopped, the internal air pressure of the cavity can be detected through the pressure sensor, the detected data can be displayed through the display, and the change of the air pressure in the friction ring to be detected can be observed, the tightness of the friction ring to be detected can be detected;

2. through the mutual matching of the first connecting plate, the second connecting plate, the four threaded rods, the four springs and the four nuts, the four springs can buffer the space between the first connecting plate and the second connecting plate, so that after the upper detection seat and the lower detection seat press and fix the friction ring to be detected, the hydraulic rod continues to move downwards, the first connecting plate can compress the springs, and the damage caused by hard extrusion of the device is avoided;

3. the first sealing gasket that is equipped with can improve down and detect the leakproofness between seat and the friction ring that awaits measuring, through the second sealing gasket that is equipped with can improve and go up and detect the leakproofness between seat and the friction ring that awaits measuring, improve and detect the precision.

Drawings

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

fig. 2 is a schematic front sectional structure of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.

In the figure: 1. a detection table; 2. a lower detection seat; 3. an L-shaped plate; 4. a hydraulic lever; 5. an upper detection seat; 6. a pressure sensor; 7. a display; 8. an air pump; 9. an inflation tube; 10. a first gasket; 11. a second gasket; 12. a first connecting plate; 13. a second connecting plate; 14. a threaded rod; 15. a nut; 16. a spring; 17. a universal wheel; 18. and (5) a friction ring to be tested.

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.

The utility model provides a as shown in fig. 1-3 a mechanical seal friction ring detection device, including examining test table 1, examine test table 1's upper end middle part and examine test seat 2 through fixed block fixedly connected with down, the upper end lateral wall that examines test seat 2 down is the toper setting, examine test table 1's upper end right side fixedly connected with L shaped plate 3, L shaped plate 3's horizontal part lower extreme fixedly connected with hydraulic stem 4, the lower extreme of hydraulic stem 4 is connected with through elastic mechanism and examines test seat 5, the lower extreme that goes up test seat 5 is the toper and caves in the setting, go up test seat 5 and examine down and examine between test seat 2 the centre gripping and remain to examine friction ring 18, the lower extreme that examines test table 1 is equipped with inflating mechanism, go up the inside fixedly connected with pressure sensor 6 that examines test seat 5, the horizontal part lower extreme of L shaped plate 3 is fixedly connected with display 7 still, pressure sensor.

As shown in fig. 1 and 2, the inflation mechanism comprises an air pump 8, the air pump 8 is fixedly connected with the lower end of the detection table 1, an output end of the air pump 8 is fixedly connected with an inflation tube 9, the other end of the inflation tube 9 sequentially penetrates through the fixing block, the lower detection seat 2 and extends to the upper portion of the lower detection seat 2, a control valve is fixedly arranged at one end, close to the air pump 8, of the tube wall of the inflation tube 9, the inflation tube 8 can inflate, and air can enter the friction ring 18 to be detected through the inflation tube 9.

As shown in fig. 1 and 2, the upper surface of the lower detection seat 2 is fixedly connected with a first sealing gasket 10, and a first opening matched with the inflation tube 9 is formed in the middle of the upper end of the first sealing gasket 10, so that the sealing performance between the lower detection seat 2 and the friction ring 18 to be detected can be improved.

As shown in fig. 1 and 2, the lower inner side wall of the upper detection seat 5 is fixedly connected with a second sealing gasket 11, and a second opening matched with the pressure sensor 6 is formed in the middle of the lower end of the second sealing gasket 11, so that the sealing performance between the upper detection seat 5 and the friction ring 18 to be detected can be improved.

As shown in fig. 3, the elastic mechanism comprises a first connecting plate 12 and a second connecting plate 13, the first connecting plate 12 is fixedly connected with the lower end of the hydraulic rod 4, the second connecting plate 13 is fixedly connected with the middle part of the upper end of the upper detection seat 5, four corners of the upper end of the second connecting plate 13 are fixedly connected with threaded rods 14, four corners of the lower end of the first connecting plate 12 are respectively provided with round openings matched with the threaded rods 14 and are in sliding connection with the four threaded rods 14, nuts 15 are respectively in threaded connection above the rod walls of the four threaded rods 14, the rod walls of the four threaded rods 14 are respectively movably sleeved with springs 16, the four springs 16 are respectively positioned between the first connecting plate 12 and the second connecting plate 13, and the four springs 16 can buffer between the first connecting plate 12 and the second connecting plate 13, so that after the upper detection seat 5 and the lower detection seat 2 tightly press and fix the friction ring 18 to be detected, the hydraulic rod 4 continues to, the first linkage plate 12 is capable of compressing the plurality of springs 16 to avoid damage from hard squeezing of the device.

As shown in fig. 1 and 2, the lower end four corners of the detection table 1 are fixedly connected with universal wheels 17, and four universal wheels 17 are fixedly provided with foot brakes, so that the device can be conveniently moved and can be stably placed.

The utility model discloses the theory of operation:

when in use, the friction ring 18 to be detected is horizontally placed on the lower detection seat 2, the upper detection seat 5 can be driven to move downwards through the arranged hydraulic rod 4, so that the friction ring 18 to be detected can be clamped and fixed by the upper detection seat 5 and the lower detection seat 2, the upper end of the lower detection seat 2 is in a conical arrangement, the lower end of the upper detection seat 5 is in a conical concave arrangement, the friction ring 18 to be detected can be automatically positioned in the middle part, a cavity can be formed in the friction ring 18 to be detected, air can be inflated through the arranged air pump 8, the air enters the cavity through the air inflation pipe 9 and stops inflating, the internal air pressure of the cavity can be detected through the arranged pressure sensor 6, the detected data can be displayed through the display 7, the sealing performance of the friction ring 18 to be detected can be detected by observing the air pressure change in the friction ring 18 to be detected, if the air pressure data is kept unchanged, the tightness of the friction ring 18 to be tested is qualified, and if the air pressure data is reduced, the tightness of the friction ring 18 to be tested is unqualified.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a mechanical seal friction ring detection device which characterized in that: comprises a detection table (1), the middle part of the upper end of the detection table (1) is fixedly connected with a lower detection seat (2) through a fixed block, the upper end side wall of the lower detection seat (2) is arranged in a conical shape, the right side of the upper end of the detection table (1) is fixedly connected with an L-shaped plate (3), the lower end of the horizontal part of the L-shaped plate (3) is fixedly connected with a hydraulic rod (4), the lower end of the hydraulic rod (4) is connected with an upper detection seat (5) through an elastic mechanism, the lower end of the upper detection seat (5) is arranged in a conical concave shape, a friction ring (18) to be detected is clamped between the upper detection seat (5) and the lower detection seat (2), the lower end of the detection table (1) is provided with an inflation mechanism, the inner part of the upper detection seat (5) is fixedly connected with a pressure sensor (6), the lower end of the horizontal, the pressure sensor (6) is in signal connection with the display (7).

2. The mechanical seal friction ring detection device of claim 1, wherein: the mechanism of aerifing includes air pump (8), air pump (8) and the lower extreme fixed connection who examines test table (1), the output fixedly connected with gas tube (9) of air pump (8), the other end of gas tube (9) is fixed in proper order and is run through the fixed block and examine test seat (2) down and extend the top of examining test seat (2) down, the fixed control valve that is equipped with of one end that the pipe wall of gas tube (9) is close to air pump (8).

3. The mechanical seal friction ring detection device of claim 1, wherein: the upper surface of the lower detection seat (2) is fixedly connected with a first sealing gasket (10), and a first opening matched with the inflation tube (9) is formed in the middle of the upper end of the first sealing gasket (10).

4. The mechanical seal friction ring detection device of claim 1, wherein: go up the lower inside wall fixedly connected with second of detecting seat (5) and seal up (11), the lower extreme middle part that the second sealed pad (11) was seted up with pressure sensor (6) assorted second opening.

5. The mechanical seal friction ring detection device of claim 1, wherein: elastic mechanism includes first connecting plate (12) and second connecting plate (13), the lower extreme fixed connection of first connecting plate (12) and hydraulic stem (4), upper end middle part fixed connection of second connecting plate (13) and last detection seat (5), the equal fixedly connected with threaded rod (14) of upper end four corners department of second connecting plate (13) the lower extreme four corners department of first connecting plate (12) all seted up with threaded rod (14) assorted round mouth and with four threaded rod (14) sliding connection, four the equal threaded connection in pole wall top of threaded rod (14) has nut (15), four the pole wall of threaded rod (14) all still the activity cup joints spring (16), four spring (16) all are located between first connecting plate (12) and second connecting plate (13).

6. The mechanical seal friction ring detection device of claim 1, wherein: the lower end four corners of the detection table (1) are fixedly connected with universal wheels (17) and four universal wheels (17) are fixedly provided with foot brakes.