High-voltage frequency converter modular structure convenient to maintain
The modular structure and movable assembly/disassembly components solve the problem of cumbersome maintenance process for high-voltage frequency converters, enabling convenient disassembly and installation, and improving maintenance efficiency and safety.
Patent Information
- Application Number
- CN202520464481.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The integrated design of existing high-voltage frequency converters makes the maintenance process cumbersome, especially when the power module malfunctions, it can easily damage other components, increasing the difficulty and time required for maintenance.
Adopting a modular structure, the inverter module can be quickly disassembled and installed using components such as magnetic blocks, gear plates, and active bevel gears through movable assembly and disassembly components. Combined with servo motor-driven ball screws and limit sliders, it enables convenient maintenance of the inverter module.
This enables convenient disassembly and installation of the modular structure of the high-voltage frequency converter, reducing the risks during maintenance and improving maintenance efficiency and safety.
Smart Images

Figure CN223912707U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pressure frequency changer field, concretely is high pressure frequency changer modular structure convenient to maintain. BACKGROUND
[0002] High pressure frequency changer modular structure is divided into multiple function relatively independent modules for frequency changer, realizes high pressure frequency speed regulation function through reasonable combination and connection these modules.
[0003] At present, according to prior art still has following insufficient place:
[0004] Many high pressure frequency changers of existing adopt integral design, and each functional component is closely integrated in a machine case, once the failure of certain component, maintenance personnel need to disassemble the entire frequency changer, can locate and replace the faulty component, when the power module has a problem, the disassembly process is tedious, and a little carelessness can cause damage to other normal components, greatly increases the time and technical difficulty of maintenance.
[0005] Therefore, aiming at the above problems, the high pressure frequency changer modular structure convenient to maintain is provided. INVENTION CONTENTS
[0006] In order to make up for the deficiency of prior art, the disassembly process is tedious, the utility model provides high pressure frequency changer modular structure convenient to maintain.
[0007] The utility model discloses a high pressure frequency changer modular structure convenient to maintain, including main part, movable dismounting component, movable dismounting component installs multiple connecting seats, one side of multiple connecting seats is fixedly installed magnetic attraction piece respectively, and the movable installation tooth disc between connecting seat and connecting seat, one side of tooth disc is connected with driving bevel gear, and the bottom fixed mounting of driving bevel gear has handle, and one side of tooth disc is connected with a plurality of limit bevel gears.
[0008] Preferably, the main body is provided with a base, a plurality of installation grooves are formed on the surface of the base, a plurality of interfaces are formed on the bottom of the base, a shell is movably installed around the base, and a plurality of connecting seats are fixedly installed on one side of the back surface of the base.
[0009] Preferably, a servo motor is fixedly installed on one side of the base, a ball screw is fixedly installed on the output end of the servo motor, a ball nut is threaded connected to the ball screw, a connecting plate is fixedly installed on one side of the ball nut, and the connecting plate is fixedly installed in the inner cavity of the shell.
[0010] Preferably, the front side of the shell is fixedly provided with a viewing window made of tempered glass, the back side of the connecting plate is fixedly provided with two limiting sliding blocks, and the two limiting sliding blocks are movably provided with limiting rods respectively.
[0011] Preferably, the back side of the gear disc is provided with a spiral thread, and the spiral thread is connected with three rack sliding blocks through transmission, one side of the magnetic block is provided with three movable grooves, and the rack sliding blocks are movably arranged in the movable grooves respectively.
[0012] Preferably, the movable disassembly and assembly assembly further comprises two mounting plates, one side of each of the two mounting plates is provided with a groove, and a magnetic suction disc is fixedly arranged in the groove respectively, one side of each of the two magnetic suction discs is movably provided with a magnetic suction block, and a plurality of threaded grooves are formed in each of the two mounting plates.
[0013] The utility model discloses the beneficial effect lies in:
[0014] The utility model discloses the structural design of movable disassembly and assembly assembly, through the rotation handle, driving bevel gear drives gear disc, and the transmission of spiral thread and three rack sliding blocks on the back of gear disc, and the rack sliding block is movably arranged in the movable groove formed in the magnetic block, and the recess is formed in the surface of mounting plate, and the magnetic suction disc is arranged in the recess, and the magnetic suction block is connected, when installing, the rack sliding block is expanded and is connected through the rotation handle, and when removing, reverses and contracts, and removes after removing the limiting, realizes the function of disassembly and installation, and solves the problem of complicated disassembly process. ACCURACY
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the whole structure explosion schematic view of the utility model;
[0018] Figure 3 It is the movable disassembly and assembly assembly structure explosion schematic view of the utility model;
[0019] Figure 4 It is the utility model Figure 3 The structure enlarged schematic view of A place in the utility model
[0020] Figure 5 It is the main body structure schematic view of the utility model.
[0021] In the drawing: 1, main body; 2, movable dismounting assembly; 11, base; 12, mounting groove; 13, interface; 14, servo motor; 15, ball screw; 16, ball nut; 17, connecting plate; 18, limit sliding block; 19, limit rod; 21, connecting seat; 22, magnetic attraction block; 23, toothed disc; 24, limit bevel gear; 25, driving bevel gear; 26, handle; 27, mounting plate; 28, magnetic attraction disc; 29, screw groove; 31, helical thread; 32, rack sliding block; 33, movable groove; 101, shell; 102, inspection window. DETAILED DESCRIPTION
[0022] 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, not 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.
[0023] Please refer to Figures 1-5 The high-voltage frequency converter modular structure convenient to maintain shown in the drawing, including main body 1, movable dismounting assembly 2;Movable dismounting assembly 2 is installed with multiple connecting seats 21, and the side of multiple connecting seats 21 is fixedly installed with magnetic attraction blocks 22 respectively, and movable dismounting assembly 2 is installed with toothed discs 23 between connecting seat 21 and connecting seat 21, and the side of toothed disc 23 is meshed with driving bevel gears 25, and the bottom of driving bevel gear 25 is fixedly installed with handles 26, and the side of toothed disc 23 is meshed with multiple limit bevel gears 24;
[0024] When working, the internal elements are protected by the fixing between connecting seat 21 and magnetic attraction block 22, and when personnel rotates handle 26, driving bevel gear 25 fixed on handle 26 is driven to toothed disc 23, so that toothed disc 23 rotates correspondingly, and in the process of rotating toothed disc 23, limit bevel gear 24 is installed to limit toothed disc 23, so as to ensure that toothed disc 23 has sufficient stability in rotation.
[0025] Further, main body 1 is installed with base 11, and the surface of base 11 is provided with multiple mounting grooves 12, and the bottom of base 11 is provided with multiple interfaces 13, and the periphery of base 11 is movably installed with shell 101, and the back side of base 11 is fixedly installed with multiple connecting seats 21;
[0026] When working, the frequency converter module is installed and fixed through the opening of the installation groove 12, and the interface 13 is used to complete the line butt joint. During use, the frequency converter module installed on the base 11 is protected under the installation of the shell 101.
[0027] Further, the servo motor 14 is fixedly installed on one side of the base 11, the output end of the servo motor 14 is fixedly installed with the ball screw 15, the ball screw 15 penetrates and is threadedly connected with the ball nut 16, one side of the ball nut 16 is fixedly installed with the connecting plate 17, and one side of the connecting plate 17 is fixedly installed in the inner cavity of the shell 101.
[0028] When working, the servo motor 14 is driven to rotate the ball screw 15 at the output end, the ball screw 15 is threadedly connected with the ball nut 16 during the rotating movement, the rotating movement of the ball screw 15 is converted into the linear movement of the ball nut 16, the connecting plate 17 on one side of the ball nut 16 drives the shell 101 to move correspondingly, the shell 101 is lifted to facilitate the maintenance and repair of the frequency converter module, and the base 11 and the frequency converter module are protected when the shell 101 is lowered.
[0029] Further, the front side of the shell 101 is fixedly installed with the viewing window 102, the material of the viewing window 102 is tempered glass, the back side of the connecting plate 17 is fixedly installed with two limiting sliding blocks 18, the two limiting sliding blocks 18 are movably installed with the limiting rods 19 respectively, and the two limiting rods 19 are fixedly installed with the base 11.
[0030] When working, the viewing window 102 is installed on the shell 101, the transparent characteristic of glass is used, personnel can observe the frequency converter module inside, the two sides of the connecting plate 17 are limited through the cooperation between the limiting sliding blocks 18 and the limiting rods 19 when the shell 101 moves up and down, and the connecting plate 17 always remains horizontal movement.
[0031] Further, the back side of the tooth disc 23 is provided with the spiral thread 31, three rack sliding blocks 32 are drivingly connected through the spiral thread 31, the side of the magnetic attraction block 22 is provided with three movable grooves 33, and the three rack sliding blocks 32 are movably installed through the movable grooves 33 respectively.
[0032] When working, when the driving bevel gear 25 drives the tooth disc 23 to rotate, the spiral thread 31, the rack sliding block 32 and the rack sliding block 32 are cooperated, the rack sliding block 32 is limited by the movable grooves 33 of the magnetic attraction block 22, at this time, the rotating movement of the spiral thread 31 is transmitted to the linear movement of the rack sliding block 32 in the movable groove 33, so that the rack sliding block 32 can be stretched and contracted in the movable groove 33.
[0033] Further, the movable assembling and disassembling component 2 further comprises two installation plates 27, recesses are formed on one side of the two installation plates 27 respectively, and the magnetic suction plates 28 are fixedly installed in the recesses respectively through the recesses, and the magnetic suction blocks 22 are movably installed on one side of the two magnetic suction plates 28 respectively, and a plurality of threaded grooves 29 are formed on the two installation plates 27 respectively;
[0034] During work, when assembling, the magnetic suction blocks 22 are butted against the magnetic suction plates 28, at this time, the rack block 32 is expanded away from the installation plate 27 by rotating the handle 26, so that the rack block 32 is in contact with the inner cavity of the recess of the installation plate 27, and the clamping and limiting are completed; when disassembling, the handle 26 is reversely rotated, so that the rack block 32 is retracted into the movable groove 33, and the limiting between the installation plate 27 and the magnetic suction block 22 is cancelled, and then the installation plate 27 is disassembled outward.
[0035] Working principle: when the handle 26 is rotated, the driving bevel gear 25 transmits power to the gear disc 23 through the meshing connection between the gear disc 23 and the driving bevel gear 25 movably installed between the connecting seat 21 and the magnetic suction block 22, so that the gear disc 23 is rotated, in this process, the limiting bevel gear 24 limits the gear disc 23, so that the stability of the rotation of the gear disc 23 is ensured, the helical thread 31 on the back side of the gear disc 23 is in transmission connection with the three rack blocks 32, and the movable groove 33 formed on one side of the magnetic suction block 22 is used for movably installing the rack block 32, when the gear disc 23 is rotated, the helical thread 31 is also rotated, since the rack block 32 is limited by the movable groove 33, the rotating movement of the helical thread 31 is converted into the linear movement of the rack block 32 in the movable groove 33, so that the expansion and contraction effect of the rack block 32 is realized, at the same time, the magnetic suction plates 28 are fixedly installed in the recesses on one side of the two installation plates 27 in the movable assembling and disassembling component 2, the magnetic suction block 22 can be butted against the magnetic suction plate 28, when assembling, the handle 26 is rotated, so that the rack block 32 is expanded outward and is in contact with the inner cavity of the recess of the installation plate 27, and the clamping and limiting are completed; when disassembling, the handle 26 is reversely rotated, so that the rack block 32 is retracted into the movable groove 33, and the limiting between the installation plate 27 and the magnetic suction block 22 is cancelled, and then the installation plate 27 can be disassembled outward.
[0036] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. A modular structure of a high voltage frequency converter for ease of maintenance, characterized in that: The utility model provides a kind of movable dismounting component (2) comprising main body (1), the movable dismounting component (2) is installed with multiple connecting seats (21), the side of multiple connecting seat (21) is respectively fixedly installed with magnetic attraction piece (22), connecting seat (21) and connecting seat (21) between movable installation have gear (23), the side of gear (23) is engaged with driving bevel gear (25), the bottom of driving bevel gear (25) is fixedly installed with handle (26), the side of gear (23) is engaged with several limit bevel gears (24).
2. The modular structure of the high voltage frequency converter for easy maintenance according to claim 1, characterized in that: The main body (1) is provided with a base (11), a plurality of mounting grooves (12) are formed on the surface of the base (11), a plurality of interfaces (13) are formed on the bottom of the base (11), a shell (101) is movably installed around the base (11), and a plurality of connecting seats (21) are fixedly installed on the back side of the base (11).
3. The modular structure of the high voltage frequency converter for easy maintenance according to claim 2, characterized in that: A servo motor (14) is fixedly installed on one side of the base (11), a ball screw (15) is fixedly installed on the output end of the servo motor (14), a ball nut (16) is threaded connected through the ball screw (15), a connecting plate (17) is fixedly installed on one side of the ball nut (16), and the connecting plate (17) is fixedly installed in the inner cavity of the shell (101).
4. The modular structure of the high voltage frequency converter for ease of maintenance according to claim 3, characterized in that: A viewing window (102) is fixedly installed on the front side of the shell (101), the viewing window (102) is made of tempered glass, two limiting sliding blocks (18) are fixedly installed on the back side of the connecting plate (17), two limiting rods (19) are movably installed on the two limiting sliding blocks (18) respectively, and the base (11) is fixedly installed with the two limiting rods (19).
5. The modular structure of high voltage frequency changer for ease of maintenance as claimed in claim 1 wherein: A spiral thread (31) is formed on the back side of the gear (23), three rack sliding blocks (32) are drivingly connected through the spiral thread (31), three movable grooves (33) are formed on one side of the magnetic attraction piece (22), and the rack sliding blocks (32) are movably installed in the movable grooves (33) respectively.
6. The modular structure of high voltage frequency changer for ease of maintenance as claimed in claim 1 wherein: The movable dismounting component (2) further comprises two mounting plates (27), recesses are formed on one side of the two mounting plates (27) respectively, and magnetic attraction discs (28) are fixedly installed in the recesses respectively, the magnetic attraction discs (28) are movably installed on one side of the magnetic attraction piece (22) respectively, and a plurality of threaded grooves (29) are formed in the two mounting plates (27).