Vertical waterproof mechanical seal test bed
The vertical waterproof mechanical seal test bench addresses the waterproof mechanical seal test bench addresses the waterproof mechanical seal test benches waterproof mechanical seal test benches waterproof mechanical seal test bench.
Patent Information
- Application Number
- CN202420335670.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-23
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-02-23
AI Technical Summary
Existing mechanical seal test benches are not waterproof, limiting their applicability and necessitating manual disassembly, which is labor-intensive and inefficient, and they fail to simulate high-pressure conditions accurately.
A vertical waterproof mechanical seal test bench with a pressure balancing mechanism, rubber rings, and a waterproof structure, capable of simulating high-pressure conditions and sealing effectively, allowing for quick assembly and disassembly, and accommodating various shaft diameters. The design includes a motor with a frequency-modulated motor that can rotate from 100 to 3000 rpm, and a waterproof structure to prevent leakage.
The solution enables accurate leakage detection, reduces labor and equipment downtime, ensures safe and stable operation, and adapts to various shaft diameters, and effectively prevents economic losses and equipment shutdowns.
Smart Images
Figure CN222212086U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of waterproof mechanical seal test benches, in particular to a vertical waterproof mechanical seal test bench. Background Art
[0002] A mechanical seal is a device that prevents fluid leakage by at least one pair of end faces perpendicular to the axis of rotation, which remain in contact and slide relative to each other under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.
[0003] Mechanical seals are particularly important in many equipments, and the manpower and material resources consumed in disassembling mechanical seals of many equipments are very serious. Therefore, the mechanical seals must be strictly tested before leaving the factory to ensure that the leakage of the mechanical seals meets the requirements and extend the service life of the mechanical seals. However, the test bench required for testing mechanical seals can only be supplied to a small number of mechanical seals and is not waterproof. It cannot be used for most mechanical seals, so it needs to be improved. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a vertical waterproof mechanical seal test bench.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A vertical waterproof mechanical seal test bench comprises a body assembly, a motor shaft is installed in the body assembly, a mounting ring assembly is installed on the upper end of the body assembly, a sealing ring member is arranged in the mounting ring assembly, a pressure balancing mechanical seal is fixed on the motor shaft, rubber rings are installed in the pressure balancing mechanical seal and the sealing ring member, the two rubber rings are in contact with each other, a first sealing ring is installed at the lower end of the pressure balancing mechanical seal, the first sealing ring is in contact with the lower end of the motor shaft, a sealing rubber ring and a second sealing ring are respectively arranged at the upper end and the lower end of the motor shaft, and the sealing rubber ring and the second sealing ring are both connected to the motor shaft.
[0007] Compared with the prior art: the present application can accurately detect whether there is leakage in the machine seal, improve the maintenance quality, reduce the labor intensity of workers, ensure the safe, stable and long-term operation of the production equipment, and prevent economic losses caused by leakage and equipment shutdown.
[0008] Preferably, the mounting ring assembly includes a connecting plate that abuts against the upper end of the body assembly, the connecting plate and the body assembly are detachably connected, the upper end of the connecting plate is detachably connected with a connecting frame at equal intervals, a connecting ring is detachably connected inside the connecting plate, and the sealing ring member and the connecting ring are detachably connected.
[0009] Furthermore, the connection is fully ensured so that the corresponding components can be connected and fixed.
[0010] Preferably, a groove is provided in the middle of the lower end of the connecting plate, and first through holes are provided at equal intervals on a peripheral side wall of the groove.
[0011] Furthermore, water can be discharged quickly.
[0012] Preferably, a plurality of first bolts are provided through the connecting plate at equal intervals, and the plurality of first bolts are all screwed into the body assembly, and a plurality of second bolts are screwed together at equal intervals on the connecting ring and the connecting plate.
[0013] Furthermore, through the operation of the corresponding bolt components, it is convenient to quickly disassemble and install.
[0014] Preferably, second through holes are formed at both upper and lower ends of the connecting frame.
[0015] Furthermore, it is convenient to connect and fix the connecting frame.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The applicable conditions of the test bench are high-pressure liquid. The pressure balance seal will have a certain degree of leakage. In order to prevent the leaking liquid from entering the motor at the bottom of the tooling, a waterproof structure is designed. The waterproof structure is specifically a water-spraying plate at the bottom of the motor shaft, a rubber ring groove is set inside the water-spraying plate to install the rubber ring, and the connection between the top shaft bottom and the water-spraying plate is fully coated with sealant, so that it can drain water and achieve waterproof function;
[0018] 2. This test bench has also been improved in high torque design; when starting under high pressure conditions, the starting torque can reach 50N*m, which can realize the start of the mechanical seal under high pressure conditions and simulate the actual working conditions of starting under high pressure conditions;
[0019] 3. This test bench can be used for various shaft diameter series mechanical seals. By simulating various pump chamber end covers and shaft sleeves with different shaft diameters, it can adapt to various mechanical seals with shaft diameters of 38-150.
[0020] 4. This test bench simulates the installation of a pressure balance seal at the motor end of the pump cavity to balance the thrust of the high-pressure medium in the pump cavity on the motor shaft and reduce the wear of the motor thrust bearing;
[0021] 5. The motor used in the test bench is a frequency-modulated motor, which is adjustable from 100 to 3000 rpm. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a cross-sectional view of a vertical waterproof mechanical seal test bench proposed by the utility model;
[0023] Figure 2This is a front view of a body component of a vertical waterproof mechanical seal test bench proposed by the utility model;
[0024] Figure 3 This is a cross-sectional view of a connection plate of a vertical waterproof mechanical seal test bench proposed by the utility model;
[0025] Figure 4 A vertical waterproof mechanical seal test bench provided by the utility model Figure 3 A magnified image of point A;
[0026] Figure 5 A vertical waterproof mechanical seal test bench provided by the utility model Figure 3 The enlarged view of point B;
[0027] In the figure: 1 motor shaft, 2 connecting frame, 3 connecting plate, 4 body assembly, 5 pressure balance machine seal, 6 connecting ring, 7 water-throwing plate, 8 first sealing ring, 9 sealing rubber ring, 10 second sealing ring, 11 rubber ring, 12 sealing sleeve ring. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0029] Reference Figure 1-5 A vertical waterproof mechanical seal test bench includes a body assembly 4, which can effectively drive the motor shaft 1 to rotate. The motor shaft 1 is installed in the body assembly 4, and a mounting ring assembly is installed on the upper end of the body assembly 4. A sealing ring member 12 is provided in the mounting ring assembly. A pressure balancing mechanical seal 5 is fixed on the motor shaft 1. Rubber rings 11 are installed in the pressure balancing mechanical seal 5 and the sealing ring member 12. The two rubber rings 11 are in conflict with each other. A first sealing ring 8 is installed at the lower end of the pressure balancing mechanical seal 5, and the first sealing ring 8 is in conflict with the lower end of the motor shaft 1. A sealing rubber ring 9 and a second sealing ring 10 are respectively provided at the upper and lower ends of the motor shaft 1. The sealing rubber ring 9 and the second sealing ring 10 are both connected to the motor shaft 1, can fully conflict with the corresponding components, and can effectively complete the connection and fixation.
[0030] Reference Figure 1 , 3 The mounting ring assembly includes a connecting plate 3 that abuts against the upper end of the body assembly 4. The connecting plate 3 and the body assembly 4 are detachably connected. The upper end of the connecting plate 3 is detachably connected with a connecting frame 2 at equal intervals. The upper and lower ends of the connecting frame 2 are provided with second through holes. A connecting ring 6 is detachably connected to the connecting plate 3. The sealing ring member 12 and the connecting ring 6 are detachably connected and can be quickly installed and fixed.
[0031] Reference Figure 3A groove is provided in the middle of the lower end of the connecting plate 3, and first through holes are provided at equal intervals on the side walls of the groove to facilitate the penetration of corresponding bolts, thereby ensuring the firmness of the connection so as to connect with the corresponding components.
[0032] Reference Figure 3-5 A plurality of first bolts are evenly spaced through the connecting plate 3, and the plurality of first bolts are all screwed into the body assembly 4. A plurality of second bolts are evenly spaced screwed on the connecting ring 6 and the connecting plate 3, which can be quickly connected and fixed, and are easy to install and disassemble.
[0033] In the utility model, the corresponding components can be connected and fixed by bolts, and the body assembly 4 can drive the motor shaft 1 to rotate. When the motor shaft 1 rotates, it can contact the first sealing ring 8 and the second sealing ring 10, which can fully ensure the sealing effect. At the same time, the contact of the rubber ring 11 can ensure the sealing.
[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A vertical waterproof mechanical seal test bench, comprising a body assembly (4), characterized in that: A motor shaft (1) is installed in the body component (4), a mounting ring component is installed at the upper end of the body component (4), a sealing ring component (12) is provided in the mounting ring component, a pressure balancing machine seal (5) is fixed on the motor shaft (1), rubber rings (11) are installed in the pressure balancing machine seal (5) and the sealing ring component (12), the two rubber rings (11) are in contact with each other, a first sealing ring (8) is installed at the lower end of the pressure balancing machine seal (5), the first sealing ring (8) is in contact with the lower end of the motor shaft (1), a sealing rubber ring (9) and a second sealing ring (10) are respectively provided at the upper end and the lower end of the motor shaft (1), and the sealing rubber ring (9) and the second sealing ring (10) are both connected to the motor shaft (1).
2. A vertical waterproof mechanical seal test bench according to claim 1, characterized in that: The mounting ring assembly comprises a connection plate (3) abutting against the upper end of the body assembly (4); the connection plate (3) and the body assembly (4) are detachably connected; the upper end of the connection plate (3) is detachably connected to a connection frame (2) at equal intervals; a connection ring (6) is detachably connected inside the connection plate (3); and the sealing ring member (12) and the connection ring (6) are detachably connected.
3. A vertical waterproof mechanical seal test bench according to claim 2, characterized in that: A groove is provided in the middle of the lower end of the connection plate (3), and first through holes are provided at equal intervals on a peripheral side wall of the groove.
4. A vertical waterproof mechanical seal test bench according to claim 3, characterized in that: The connection plate (3) is provided with a plurality of first bolts at equal intervals, and the plurality of first bolts are all screwed into the body assembly (4). The connection ring (6) and the connection plate (3) are jointly provided with a plurality of second bolts at equal intervals.
5. The vertical waterproof mechanical seal test bench according to claim 2 is characterized by: Second through holes are provided at both upper and lower ends of the connecting frame (2).