CN214844483U - Mechanical seal detects instrument - Google Patents

Abstract

The application discloses a mechanical seal detection tool, which comprises a lathe, a main shaft, an auxiliary shaft and a pressure measuring ring; the main shaft and the auxiliary shaft are arranged on the top surface of the lathe in the same length direction; the top surface of the lathe is provided with a slide rail along the length direction of the lathe; the main shaft comprises a rotating shaft, a main support frame and a sliding block; the slide block is matched with the slide rail; a main supporting frame is fixedly arranged at the top of the sliding block; one side of the main support frame, which is close to the auxiliary shaft, is rotatably provided with a rotating shaft; the auxiliary shaft comprises an auxiliary base and an auxiliary supporting frame; the bottom end of the auxiliary support frame is fixedly connected with the top surface of the lathe; an auxiliary base is fixedly arranged on one side of the auxiliary support frame close to the rotating shaft; one end of the outer wall of the auxiliary base, which is close to the auxiliary support frame, is provided with a pressure measuring ring in a surrounding way; and the pressure measuring ring is fixedly connected with the auxiliary support frame. The mechanical sealing element detection tool is simple, fast, accurate and flexible.

Description

Mechanical seal detects instrument

Technical Field

The application relates to the technical field of mechanical sealing, in particular to a mechanical sealing element detection tool.

Background

The mechanical sealing part belongs to one of precise mechanical basic elements with complex structures and is a key part of equipment such as various pumps, reaction synthesis kettles, turbine compressors, submersible motors and the like. The sealing performance and service life of a mechanical seal depend on many factors, such as type selection, machine precision, correct installation and use, and the quality and performance of the mechanical seal directly determine the operation period, service efficiency and service life of the equipment matched with the mechanical seal.

In the use, tiny crackle appears easily in mechanical seal's surface and inside, and ageing, the elasticity disappearance phenomenon appear easily in mechanical seal's spring part, produce wearing and tearing etc. easily between quiet ring and the rotating ring, and these circumstances can influence mechanical seal's normal operating, destroy rotation balance, aggravate mechanical seal's damage.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a simple, quick, accurate, and flexible mechanical seal inspection tool.

The application provides a mechanical seal detection tool, which comprises a lathe, a main shaft, an auxiliary shaft and a pressure measuring ring; the main shaft and the auxiliary shaft are arranged on the top surface of the lathe in the same length direction; the top surface of the lathe is provided with a slide rail along the length direction of the lathe;

the main shaft comprises a rotating shaft, a main support frame and a sliding block; the slide block is matched with the slide rail; a main supporting frame is fixedly arranged at the top of the sliding block; one side of the main support frame, which is close to the auxiliary shaft, is rotatably provided with a rotating shaft;

the auxiliary shaft comprises an auxiliary base and an auxiliary supporting frame; the bottom end of the auxiliary support frame is fixedly connected with the top surface of the lathe; an auxiliary base is fixedly arranged on one side of the auxiliary support frame close to the rotating shaft; one end of the outer wall of the auxiliary base, which is close to the auxiliary support frame, is provided with a pressure measuring ring in a surrounding way; and the pressure measuring ring is fixedly connected with the auxiliary support frame.

Preferably, the pressure measuring ring is a circular ring body; one surface of the pressure measuring ring close to the rotating shaft is fixedly provided with a pressure sensor; one surface of the pressure measuring ring close to the auxiliary supporting frame is fixedly provided with an annular connecting block; one side of the annular connecting block, which is far away from the pressure measuring ring, is fixedly connected with the auxiliary supporting frame.

Preferably, the rotating shaft and the auxiliary base are both cylinders, and the axes of the rotating shaft and the auxiliary base are coincident; one end of the rotating shaft close to the auxiliary base is fixedly provided with a positioning head along the axial direction of the rotating shaft; one end of the auxiliary base close to the rotating shaft is provided with a positioning hole along the axial direction of the auxiliary base; the positioning head is matched with the positioning hole.

Preferably, the outer wall of one end of the rotating shaft, which is far away from the auxiliary base, is fixedly provided with a retaining ring; the retaining ring is a circular ring body.

Preferably, a power line and a data line are arranged inside the annular connecting block; the pressure sensor is evenly provided with a plurality ofly along auxiliary base's circumference, and all transmits data to the terminal through data link in real time.

Compared with the prior art, the beneficial effects of this application are:

this application has designed the pressure measurement ring through setting up, tiny crackle appears in mechanical seal's surface and inside, mechanical seal's spring part appears ageing, the phenomenon of elasticity disappearance, produce under the circumstances such as wearing and tearing between quiet ring and the rotating ring, the friction between quiet ring and the rotating ring is unstable, the pressure oscillation is great, it is provided with pressure sensor to survey the position of clamping ring and quiet ring contact, when the rotating ring rotates, pressure sensor can be in real time with the pressure data transmission to the terminal of each position of quiet ring, and detect mechanical seal's performance through data analysis, pressure measurement ring data is accurate, the analysis is accurate, the detection of the mechanical seal of multiple specification can be satisfied to the auxiliary base, and is nimble simple and direct.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic cross-sectional view of a mechanical seal according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of an operating state of a mechanical seal according to an embodiment of the present disclosure;

fig. 3 is a functional block diagram of a mechanical seal according to an embodiment of the present disclosure.

Reference numbers in the figures: 1. turning a lathe; 2. a main shaft; 3. an auxiliary shaft; 4. measuring a pressure ring;

11. a slide rail;

21. a rotating shaft; 22. a main supporting frame; 23. a slider; 24. positioning the head; 25. a support ring;

31. an auxiliary base; 32. an auxiliary support frame; 33. positioning holes;

41. a pressure sensor; 42. and an annular connecting block.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, an embodiment of the present application provides a mechanical seal detection tool, which includes a lathe 1, a spindle 2, an auxiliary shaft 3, and a pressure measuring ring 4; the main shaft 2 and the auxiliary shaft 3 are arranged on the top surface of the lathe 1 in the same length direction; the top surface of the lathe 1 is provided with a slide rail 11 along the length direction of the lathe 1;

the main shaft 2 comprises a rotating shaft 21, a main supporting frame 22 and a sliding block 23; the slide block 23 is matched with the slide rail 11; the top of the sliding block 23 is fixedly provided with a main supporting frame 22; a rotating shaft 21 is rotatably arranged on one side of the main support frame 22 close to the auxiliary shaft 3; the auxiliary shaft 3 comprises an auxiliary base 31 and an auxiliary support frame 32; the bottom end of the auxiliary support frame 32 is fixedly connected with the top surface of the lathe 1; an auxiliary base 31 is fixedly arranged on one side of the auxiliary support frame 32 close to the rotating shaft 21; one end of the outer wall of the auxiliary base 31 close to the auxiliary support frame 32 is provided with a pressure measuring ring 4 in a surrounding way; the pressure measuring ring 4 is fixedly connected with the auxiliary support frame 32. In this embodiment, lathe 1 is used for stabilizing whole mechanical seal detection instrument, slide rail 11 and slider 23 make main shaft 2 can freely slide along lathe 1's length direction, slider 23 can be fixed in slide rail 11's inside, axis of rotation 21 sets up with main tributary strut 22 is perpendicular, axis of rotation 21 can the free rotation, main shaft 2 is used for driving the rotating ring and rotates, the operating condition of simulation mechanical seal, supplementary axle 3 is fixed to be set up at lathe 1's top surface, supplementary base 31 sets up with supplementary support frame 32 is perpendicular, supplementary base 31 is used for stably placing quiet ring, supplementary base 31 and pressure measurement ring 4 contactless, one side that pressure measurement ring 4 is close to axis of rotation 21 has laid one deck rubber gasket, can further stabilize quiet ring, weaken the pressure of the rotating ring under the impaired condition to quiet ring simultaneously, prevent further destruction.

In a preferred embodiment, the pressure ring 4 is a circular ring; a pressure sensor 41 is fixedly arranged on one surface of the pressure measuring ring 4 close to the rotating shaft 21; an annular connecting block 42 is fixedly arranged on one surface of the pressure measuring ring 4 close to the auxiliary supporting frame 32; one side of the annular connecting block 42, which is far away from the pressure measuring ring 4, is fixedly connected with the auxiliary supporting frame 32.

Referring to fig. 1 and 2, in this embodiment, a plurality of pressure sensors 41 are uniformly distributed on a surface of the pressure measuring ring 4 contacting the stationary ring, the pressure sensors 41 are disposed inside the pressure measuring ring 4, and collect pressure data of each point of the stationary ring in real time, when the movable ring rotates, due to fine cracks on the surface and inside of the mechanical seal, the spring part of the mechanical seal is aged and lacks elasticity, and factors such as abrasion occur between the stationary ring and the movable ring, and the movable ring and the stationary ring can generate uneven friction, and the pressure sensors 41 can convert the uneven friction into data, and the pressure measuring ring 4 and the annular connecting block 42 are both circular rings, so that the working environment of the pressure measuring ring 4 is stable, and the data of the pressure sensors 41 are reliable and accurate.

In a preferred embodiment, the rotating shaft 21 and the auxiliary base 31 are both cylinders, and the axes are coincident; one end of the rotating shaft 21 close to the auxiliary base 31 is fixedly provided with a positioning head 24 along the axial direction of the rotating shaft 21; one end of the auxiliary base 31 close to the rotating shaft 21 is provided with a positioning hole 33 along the axial direction of the auxiliary base 31; the positioning head 24 is matched with the positioning hole 33.

Referring to fig. 1 and 2, in the embodiment, the auxiliary shaft base 31 is used for stabilizing the stationary ring and ensuring the rotating shaft 21 to rotate smoothly, the positioning head 24 extends into the positioning hole 33 in the operating state, a contact portion of the positioning head 24 and the positioning hole 33 is a semi-circular body, and a contact portion of the positioning hole 33 and the positioning head 24 is a semi-circular groove.

In a preferred embodiment, the outer wall of the end of the rotating shaft 21 far away from the auxiliary base 31 is fixedly provided with a retaining ring 25; the retaining ring 25 is a ring-shaped body.

Referring to fig. 1 and fig. 2, in this embodiment, the rotating ring needs to be fixed on the outer wall of the rotating shaft 21 during detection, and the pressing ring 25 is used to further stabilize the rotating ring, so that the rotating ring rotates smoothly, the data error of the pressure sensor 41 is reduced, and the accuracy is improved.

In a preferred embodiment, the ring-shaped connection block 42 is internally provided with a power line and a data line; the pressure sensors 41 are uniformly arranged in plurality along the circumferential direction of the auxiliary base 31, and all transmit data to a terminal in real time through data lines.

Referring to fig. 3, in this embodiment, the pressure sensor 41 is powered by a power supply, the pressure sensor 41 is a micro pressure sensor, a chip is disposed inside the pressure measuring ring 4, real-time data collected by the pressure sensors 41 is collected to the chip, and then the data is transmitted to the terminal in real time from a data line by a communication function of the chip, and the terminal analyzes and compares the pressure data by using a mathematical algorithm, so as to determine the health degree of the mechanical seal.

The working principle of the application is as follows:

during the use, at first push away from auxiliary base 31 with axis of rotation 21, the state of preliminary examination quiet ring, rotating ring, spring part etc. again, later embolia auxiliary base 31 with quiet ring slowly, the one side that the rotating ring was kept away from to quiet ring is steady to offset with pressure measurement ring 4, the one side that the quiet ring was kept away from to the transmission seat of mechanical seal spare again with support the steady offset of ring 25, the fixed transmission seat of installation, the spring part is installed again in proper order, the sealing washer, rotating ring etc. promotes slider 23 at the contact surface of quiet ring and rotating ring is applied paint lubricating oil after that, promote slider 23 at last, make the rotating ring tightly support quiet ring, make the spring be in operating condition, fixed slider 23, confirm the relative position of rotating ring and quiet ring, the start motor carries out testing procedure.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (5)

1. A mechanical seal detection tool is characterized by comprising a lathe, a main shaft, an auxiliary shaft and a pressure measuring ring; the main shaft and the auxiliary shaft are arranged on the top surface of the lathe in the same length direction; the top surface of the lathe is provided with a slide rail along the length direction of the lathe;

the main shaft comprises a rotating shaft, a main support frame and a sliding block; the sliding block is matched with the sliding rail; the main supporting frame is fixedly arranged at the top of the sliding block; the rotating shaft is rotatably arranged on one side, close to the auxiliary shaft, of the main support frame;

the auxiliary shaft comprises an auxiliary base and an auxiliary supporting frame; the bottom end of the auxiliary support frame is fixedly connected with the top surface of the lathe; the auxiliary base is fixedly arranged on one side, close to the rotating shaft, of the auxiliary support frame; the pressure measuring ring is arranged at one end, close to the auxiliary support frame, of the outer wall of the auxiliary base in a surrounding mode; and the pressure measuring ring is fixedly connected with the auxiliary support frame.

2. The mechanical seal detection tool of claim 1, wherein the pressure measuring ring is a circular ring; one surface of the pressure measuring ring close to the rotating shaft is fixedly provided with a pressure sensor; one surface of the pressure measuring ring close to the auxiliary supporting frame is fixedly provided with an annular connecting block; one side of the annular connecting block, which is far away from the pressure measuring ring, is fixedly connected with the auxiliary supporting frame.

3. The mechanical seal detection tool of claim 2, wherein the rotation shaft and the auxiliary base are both cylindrical and have coincident axes; one end of the rotating shaft, which is close to the auxiliary base, is fixedly provided with a positioning head along the axial direction of the rotating shaft; one end of the auxiliary base, which is close to the rotating shaft, is provided with a positioning hole along the axial direction of the auxiliary base; the positioning head is matched with the positioning hole.

4. The mechanical seal detection tool of claim 3, wherein a retaining ring is fixedly arranged on an outer wall of one end of the rotating shaft away from the auxiliary base; the retaining ring is a circular ring body.

5. The mechanical seal detection tool of claim 4, wherein a power line and a data line are provided inside the annular connection block; the pressure sensor is followed auxiliary base's circumference evenly is provided with a plurality ofly, and all passes through data line transmits data to the terminal in real time.

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