Novel mechanical seal test device for kettle
By using a variable frequency geared motor and adjustment components in the mechanical seal testing device for reactors, the problem of unsuitable speed and torque in existing devices has been solved, enabling precise alignment and disassembly of the mechanical seal, facilitating motor connection, and reducing maintenance difficulty.
Patent Information
- Application Number
- CN202423214686.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The existing mechanical seal testing equipment is not suitable for the operation mode of mechanical seals used in reactors. The speed and torque requirements are not suitable, and the motor power is insufficient, resulting in inconvenience in use.
A novel mechanical seal testing device for reactors was designed, employing a variable frequency geared motor and adjustment components, including X-axis, Y-axis, and Z-axis adjustment structures, to achieve precise alignment and disassembly of the mechanical seal body. It facilitates connection with the output shaft of the geared motor. The device has a simple structure, with the motor directly connected via a coupling, reducing the need for additional bearing housings.
It achieves a balance between speed and torque, the device is easy to disassemble and assemble, adapts to mechanical seals of different shaft diameters, meets the installation requirements of temperature and pressure instruments, and reduces maintenance difficulty.
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Figure CN223565229U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical seal technical field, concretely is a new type of mechanical seal test device for kettle. BACKGROUND
[0002] Mechanical seal refers to by at least one pair of perpendicular to the rotation axis end face under the action of fluid pressure and compensation mechanism elastic force (or magnetic force) and the cooperation of auxiliary seal, the pair of end face keeps close and relative sliding and constructs the device that prevents fluid leakage.
[0003] Prior art situation:
[0004] The existing mechanical seal test device is a small shaft diameter horizontal mechanical seal test device;
[0005] The prior art has the following defects:
[0006] 1, mechanical seal horizontal operation, does not meet the operation mode of mechanical seal for kettle;
[0007] 2, the rotation speed 3000 is too high and cannot be adjusted, and the rotation speed of mechanical seal for kettle is below 500;
[0008] 3, the starting torque of mechanical seal for kettle is large, and the power of the existing motor is small, and the torque of the motor is small;
[0009] The test device is very inconvenient in use. Utility model content
[0010] The utility model discloses a kind of new mechanical seal test devices for kettle, first device structure is simple, convenient to disassemble and assemble operation, adjusting assembly is provided on the device simultaneously, for adjusting machine seal body, it is convenient to connect with the output shaft of speed reducer motor, improve the precision of device test, to solve the problem proposed in above background technology.
[0011] To achieve the above object, the utility model provides the following technical scheme: a kind of new mechanical seal test devices for kettle, including base, the top of the base one side is fixed with fixed mounting seat, the fixed mounting seat one side is installed with motor mounting seat, the top of the motor mounting seat is installed with speed reducer motor, the output shaft of the speed reducer motor is extended downward and is connected with machine seal body by variable diameter coupling and passes through motor mounting seat, the base is provided with adjusting assembly for adjusting machine seal body;
[0012] It further includes the instrument installation frame installed on the top of motor mounting seat, and a plurality of instruments are installed on the instrument installation frame.
[0013] Preferably, the adjusting assembly comprises a moving platform on the top of the base, the mechanical seal body is installed on the moving platform, the adjusting assembly further comprises an X-axis adjusting structure for moving the moving platform, a Y-axis adjusting structure on the fixed mounting seat and the motor mounting seat and a Z-axis adjusting structure between the base and the motor mounting seat.
[0014] Preferably, the X-axis adjusting structure comprises an X-axis adjusting seat installed on the fixed mounting seat, a first adjusting bolt is threadedly connected to the X-axis adjusting seat, one end of the first adjusting bolt is rotatably connected to the side edge of the moving platform, two groups of sliding rails are fixed to the top of the base, sliding blocks are slidably connected to the top of the sliding rails, and the sliding blocks are fixed to the bottom of the moving platform.
[0015] Preferably, the Y-axis adjusting structure comprises a fixed block fixed to the motor mounting seat, a second adjusting bolt is threadedly connected to the fixed block, a groove is formed in the fixed mounting frame, the second adjusting bolt extends into the groove and is rotatably connected to the fixed mounting seat through a bearing.
[0016] Preferably, the Z-axis adjusting structure comprises an adjusting support column installed on the base, two groups of adjusting nuts are threadedly connected to the top of the adjusting support column, and the adjusting nuts are located on the upper and lower sides of the motor mounting seat, respectively.
[0017] Preferably, a plurality of mounting bolts are fixed to the side surface of the motor mounting seat, a plurality of long grooves are formed in the side surface of the fixed mounting seat, the mounting bolts penetrate through the long grooves and are threadedly connected with fastening nuts, and a gasket is arranged between the fastening nuts and the fixed mounting seat.
[0018] Preferably, four groups of center-symmetric U-shaped grooves for fixing the mechanical seal body are formed in the moving platform, a through groove is formed in the bottom of the base, and the top of the mechanical seal body penetrates through the through groove and extends downward.
[0019] Compared with the prior art, the utility model has the advantages that:
[0020] 1. The variable frequency speed reduction motor meets the requirements of speed and torque, and the power is also within the acceptable range;
[0021] 2. The adjusting assembly can be adjusted on the XYZ linear shaft and the X rotating shaft, and the adjustment is simple and convenient;
[0022] 3. The mechanical seal placing platform can be moved, which is convenient and fast when disassembling the mechanical seal;
[0023] 4. The motor is connected with the mechanical seal through a shaft coupling, without an additional bearing box in the middle, thereby reducing the maintenance difficulty, the shaft coupling can change the shaft diameter, and is suitable for mechanical seals with different shaft diameters;
[0024] 5. The multifunctional instrument connecting seat meets the installation requirements of basic temperature and pressure instruments and can additionally reserve interfaces. BRIEF DESCRIPTION OF DRAWINGS
[0025] Fig. 1 It is a three-dimensional structural schematic view of the utility model;
[0026] Fig. 2 It is a side view three-dimensional structural schematic view of the utility model;
[0027] Fig. 3 It is a three-dimensional structural schematic view of the base, fixed mounting seat and motor mounting seat of the utility model.
[0028] Reference numerals in the drawing: 1, base; 2, fixed mounting seat; 3, motor mounting seat; 4, speed reducer motor; 5, machine seal body; 6, instrument mounting frame; 7, instrument; 8, moving platform; 9, X-axis adjusting structure; 91, X-axis adjusting seat; 92, first adjusting bolt; 93, sliding rail; 10, Y-axis adjusting structure; 101, fixed block; 102, second adjusting bolt; 103, groove; 11, Z-axis adjusting structure; 111, adjusting support column; 112, adjusting nut; 12, mounting bolt; 13, long groove; 14, fastening nut; 15, U-shaped groove. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] The utility model provides a kind of new mechanical seal test device for kettle as shown in Figs. 1-3 Including base 1, the top of base 1 one side is fixed with fixed mounting seat 2, fixed mounting seat 2 one side is equipped with motor mounting seat 3, the top of motor mounting seat 3 is equipped with speed reducer motor 4, the output shaft of speed reducer motor 4 is extended downwards and is connected with machine seal body 5 by variable diameter coupling and passes through motor mounting seat 3, base 1 is provided with adjusting assembly for adjusting machine seal body 5;
[0031] Still include the instrument mounting frame 6 installed on the top of motor mounting seat 3, multiple sets of instruments 7 are installed on the instrument mounting frame 6;
[0032] Through the device structure, machine seal body 5 is conveniently disassembled, then machine seal body 5 is adjusted by adjusting assembly, so that machine seal body 5 is adjusted and aligned, which is convenient for butt joint with the output shaft of speed reducer motor 4, and the device has simple overall structure and is convenient to disassemble and assemble.
[0033] The variable frequency geared motor 4 uses a 3.7KW variable frequency motor with a speed ratio of 3:1 and an output speed of 500RPM. The speed can be varied between 0-500RPM through the frequency converter. At the same time, the presence of the reducer makes the output torque 3 times that of the motor output alone.
[0034] Among them, such as Fig. 1 As shown:
[0035] The adjustment assembly includes a movable platform 8 located on top of the base 1, with the mechanical seal body 5 mounted on the movable platform 8. The adjustment assembly also includes an X-axis adjustment structure 9 for moving the movable platform 8, a Y-axis adjustment structure 10 located on the fixed mounting base 2 and the motor mounting base 3, and a Z-axis adjustment structure 11 located between the base 1 and the motor mounting base 3. By subdividing the adjustment assembly into the X-axis adjustment structure 9, the Y-axis adjustment structure 10, and the Z-axis adjustment structure 11, it is convenient to adjust the mechanical seal body 5 in three-dimensional space, ensuring that the mechanical seal body 5 is coaxially mounted with the output shaft of the geared motor 4, and avoiding tilting of the mechanical seal body 5 during installation.
[0036] Furthermore, such as Fig. 2 As shown:
[0037] The X-axis adjustment structure 9 includes an X-axis adjustment seat 91 mounted on a fixed mounting base 2. A first adjustment bolt 92 is threaded onto the X-axis adjustment seat 91. One end of the first adjustment bolt 92 is rotatably connected to the side of the moving platform 8. Two sets of slide rails 93 are fixed to the top of the base 1. A slider is slidably connected to the top of the slide rails 93. The slider is fixed to the bottom of the moving platform 8. By rotating the first adjustment bolt 92, the first adjustment bolt 92 is threaded on the X-axis adjustment seat 91, thereby adjusting the moving platform 8. The moving platform 8 moves and adjusts on the slide rails 93 along the extension direction of the first adjustment bolt 92 via the slider.
[0038] Preferred, such as Fig. 3 As shown:
[0039] The Y-axis adjustment structure 10 includes a fixing block 101 fixed on the motor mounting base 3. A second adjusting bolt 102 is threaded onto the fixing block 101. A groove 103 is provided on the fixed mounting bracket. The second adjusting bolt 102 extends into the groove 103 and is rotatably connected to the fixed mounting base 2 via a bearing. By rotating the second adjusting bolt 102, the distance between the fixing block 101 and the fixed mounting base 2 can be adjusted, thereby causing the motor mounting base 3 to slide on the side of the fixed mounting base 2. This is used to adjust the position of the output shaft of the geared motor 4, facilitating docking with the mechanical seal.
[0040] It is worth noting that, such as Fig. 2As shown:
[0041] The Z-axis adjusting structure 11 comprises adjusting support columns 111 mounted on the base 1, the top of the adjusting support columns 111 is threadedly connected with two groups of adjusting nuts 112, the adjusting nuts 112 are respectively located on the upper and lower sides of the motor mounting seat 3, the motor mounting seat 3 is supported and mounted by the four groups of adjusting support columns 111, and the adjusting nuts 112 on the four groups of adjusting support columns 111 can independently adjust the four corners of the motor mounting seat 3, so that the motor mounting seat 3 is kept parallel to the moving platform 8.
[0042] Further preferably, as shown in Fig. 2 As shown:
[0043] A plurality of mounting bolts 12 are fixed on the side surface of the motor mounting seat 3, a plurality of long grooves 13 are formed on the side surface of the fixed mounting seat 2, the mounting bolts 12 penetrate through the long grooves 13 and are threadedly connected with fastening nuts 14, and a gasket is arranged between the fastening nuts 14 and the fixed mounting seat 2, so that the fixed mounting seat 2 and the motor mounting seat 3 are fixed and limited by the cooperation of the mounting bolts 12 and the fastening nuts 14.
[0044] In addition, as shown in Fig. 1 As shown:
[0045] Four groups of U-shaped grooves 15 for fixing the mechanical seal main body 5 are formed on the moving platform 8 in a central symmetric manner, a through groove is formed on the bottom of the base 1, and the top of the mechanical seal main body 5 penetrates through the through groove and extends downward, so that the mechanical seal installation and fixing requirements of different sizes are met by the arrangement of the U-shaped grooves 15.
[0046] In specific use, the mechanical seal main body 5 is placed on the top of the moving platform 8, then the mechanical seal main body 5 is installed on the moving platform 8 through the U-shaped grooves 15, then the first adjusting bolt 92 is rotated to rotate the first adjusting bolt 92 on the X-axis adjusting seat 91, then the moving platform 8 is driven to slide along the slide rail 93 under the cooperation of the slide block, then the second adjusting bolt 102 is rotated to move the motor mounting seat 3 forward and backward on the side surface of the fixed mounting seat 2, then the motor mounting seat 3 and the fixed mounting seat 2 are fixed and limited by the fastening nuts 14 and the mounting bolts 12 after adjustment, then the position of the adjusting nut 112 on the adjusting support column 111 is adjusted to adjust the levelness of the motor mounting seat 3, so that the output shaft of the speed reducer 4 and the mechanical seal can be connected and fixed by the variable-diameter coupling.
[0047] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A new type of mechanical seal test device for agitator vessels, comprising a base (1), characterized in that: The side of the top of the base (1) is fixed with a fixed mounting seat (2), one side of the fixed mounting seat (2) is installed with a motor mounting seat (3), the top of the motor mounting seat (3) is installed with a speed reducer motor (4), the output shaft of the speed reducer motor (4) extends downward through the motor mounting seat (3) and is connected with a mechanical seal body (5) through a variable diameter coupling, the base (1) is provided with an adjusting assembly for adjusting the mechanical seal body (5); It also includes an instrument mounting frame (6) installed on the top of the motor mounting seat (3), a plurality of instruments (7) are installed on the instrument mounting frame (6).
2. A new type of mechanical seal test device for a vessel according to claim 1, characterized in that: The adjusting assembly includes a moving platform (8) located on the top of the base (1), the mechanical seal body (5) is installed on the moving platform (8), the adjusting assembly further includes an X-axis adjusting structure (9) for moving the moving platform (8), a Y-axis adjusting structure (10) located on the fixed mounting seat (2) and the motor mounting seat (3), and a Z-axis adjusting structure (11) located between the base (1) and the motor mounting seat (3).
3. A novel mechanical seal testing device for vessels according to claim 2, characterized in that: The X-axis adjusting structure (9) includes an X-axis adjusting seat (91) installed on the fixed mounting seat (2), a first adjusting bolt (92) is threadedly connected to the X-axis adjusting seat (91), one end of the first adjusting bolt (92) is rotatably connected to the side of the moving platform (8), the top of the base (1) is fixed with two groups of sliding rails (93), the top of the sliding rail (93) is slidably connected with a sliding block, and the sliding block is fixed on the bottom of the moving platform (8).
4. A new type of mechanical seal test device for a vessel according to claim 2, characterized in that: The Y-axis adjusting structure (10) includes a fixed block (101) fixed on the motor mounting seat (3), a second adjusting bolt (102) is threadedly connected to the fixed block (101), a groove (103) is formed in the fixed mounting frame, and the second adjusting bolt (102) extends into the groove (103) and is rotatably connected with the fixed mounting seat (2) through a bearing.
5. A new type of mechanical seal test device for a vessel according to claim 2, characterized in that: The Z-axis adjusting structure (11) includes an adjusting support column (111) installed on the base (1), two groups of adjusting nuts (112) are threadedly connected to the top of the adjusting support column (111), and the adjusting nuts (112) are located on the upper and lower sides of the motor mounting seat (3) respectively.
6. A new type of mechanical seal test device for a vessel according to claim 1, characterized in that: The side of the motor mounting seat (3) is fixed with a plurality of mounting bolts (12), a plurality of long grooves (13) are formed in the side of the fixed mounting seat (2), the mounting bolts (12) penetrate through the long grooves (13) and are threadedly connected with fastening nuts (14), and the fastening nuts (14) are provided with spacers between the fixed mounting seat (2).
7. A new type of mechanical seal test device for a vessel according to claim 2, characterized in that: Four groups of U-shaped grooves (15) for fixing the mechanical seal body (5) are formed in the moving platform (8), and a through groove is formed in the bottom of the base (1), the top of the mechanical seal body (5) penetrates through the through groove and extends downward.