Assembling tool for rectifier diode of combined transmission generator
By designing a combined drive generator rectifier diode assembly fixture, which employs multiple mounting holes, synchronous pulleys, and synchronous belt drives, the problems of precise alignment and uniform force distribution during rectifier diode assembly are solved, thereby improving assembly accuracy and efficiency and protecting the motor rotor.
Patent Information
- Application Number
- CN202423205091.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing technologies, the assembly of rectifier diodes can easily cause damage to the inner wall of the motor rotor and inaccurate positioning, affecting assembly efficiency.
A combined drive generator rectifier diode assembly fixture was designed, which uses multiple mounting holes, synchronous pulleys and synchronous belt drives, combined with fixture bolts and positioning protrusions to achieve precise alignment and uniform force distribution of components.
It improves assembly accuracy and efficiency, protects the inner wall of the motor rotor from damage, reduces the defect rate, ensures uniform pressing and synchronous screwing of parts, and improves product yield.
Smart Images

Figure CN223545162U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rectifier diode assembly tooling technology, specifically a rectifier diode assembly tooling for a combined drive generator. Background Technology
[0002] The main function of a rectifier diode is to convert alternating current (AC) to direct current (DC). In a combined drive generator, this is achieved by rectifying the AC current from the exciter armature using a rectifier diode mounted on the armature, and then transmitting it to the inductor of the main generator. The rotating magnetic field of the inductor induces an alternating electromotive force (EMF) in the stator coils of the main generator. The rectifier diode also serves a protective function, preventing circuit damage caused by incorrect polarity connection.
[0003] In existing technology, rectifier diodes are assembled by manually pressing them into the exciter of the generator rotor, and then fixing the corresponding terminals to the diode with screws and nuts. This assembly method has the following disadvantages and deficiencies: 1. This method is manual pressing without a limiting device, which can easily cause force misalignment during assembly, potentially damaging the inner wall of the motor rotor, and in severe cases, causing the insulating varnish of the motor rotor windings to peel off. 2. This method also cannot guarantee the position and dimensions of the rectifier diodes in the motor. After manual insertion, the position may need to be readjusted or the diodes may need to be removed and reassembled, affecting work efficiency.
[0004] To address this issue, we designed a combined drive generator rectifier diode assembly fixture. Utility Model Content
[0005] The purpose of this invention is to provide a combined drive generator rectifier diode assembly fixture to solve the problems mentioned in the background art.
[0006] To solve the above-mentioned technical problems, this utility model provides a combined drive generator rectifier diode assembly fixture, including an assembly fixture body, on which multiple mounting holes are provided, and two mutually symmetrical fixture bolts are threadedly connected to the mounting holes.
[0007] Furthermore, a first synchronous pulley is rotatably connected to the assembly fixture body, and a second synchronous pulley and a third synchronous pulley are respectively connected to the top of the two mounting holes. A first synchronous belt is drivingly connected between the first synchronous pulley and the second synchronous pulley, and a second synchronous belt is drivingly connected between the third synchronous pulley and the first synchronous pulley.
[0008] Furthermore, the number of mounting holes is six.
[0009] Furthermore, the assembly fixture body has two symmetrical threaded holes, which are adapted to the fixture bolts.
[0010] Furthermore, a knob is connected to the top of the first synchronizing pulley.
[0011] Furthermore, the knob is fitted with an anti-slip sleeve, and the anti-slip sleeve is integrally formed with anti-slip texture.
[0012] Furthermore, a positioning protrusion is connected to the side of the assembly fixture body away from the second synchronous wheel.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. The diode is installed according to the hole position of the tooling body, and can be accurately positioned when placed into the motor rotor exciter. It is also precisely aligned with the rotor thread hole, eliminating tedious adjustments and greatly improving assembly accuracy and speed. It is suitable for mass production and high efficiency. The tooling structure and tooling bolts can apply pressure evenly, avoiding the diode being misaligned and protecting the diode from damage. At the same time, it ensures that the inner wall of the motor rotor is free from scratches and deformation, ensuring the quality of the motor rotor and reducing the defect rate.
[0015] 2. The dual synchronous belts and synchronous pulleys work together to drive two tooling bolts to rotate and be screwed in synchronously from both sides, which improves the assembly speed, controls the rhythm and force of screwing in the tooling bolts, ensures that the pressure on both sides is applied evenly, effectively prevents the parts from deforming or being damaged due to uneven force, and improves the product yield. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a first side view of the entire utility model;
[0018] Figure 3 This is a second side view of the entire utility model;
[0019] Figure 4 This is a schematic diagram of the overall structure of the assembly tooling in this utility model;
[0020] Figure 5 This is a side view of the assembly tooling in this utility model.
[0021] In the diagram: 1. Assembly fixture body; 2. Mounting hole; 3. Fixture bolt; 4. First timing pulley; 5. First timing belt; 6. Second timing pulley; 7. Third timing pulley; 8. Knob; 9. Positioning protrusion; 10. Threaded hole; 11. Second timing belt. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] See Figure 1-5 As shown, a combined drive generator rectifier diode assembly fixture includes an assembly fixture body 1, which has multiple mounting holes 2, and two symmetrical fixture bolts 3 are threaded onto the mounting holes 2.
[0024] In practice, the motor rectifier diode is installed into the fixture according to the hole positions of the diode assembly fixture body 1; the assembly fixture body 1 with the rectifier diode installed is placed into the motor rotor exciter in the correct position; the two fixture bolts 3 of the diode fixture are aligned with the threaded holes 10 of the diode assembly fixture body 1 and screwed in until they are screwed to the bottom, pressing against the rectifier diode, holding the diode fixture bolts 3 and pulling it out of the motor rotor, and then fixing it in the motor rotor with screws to complete the assembly.
[0025] This design prevents the rectifier diode from being misaligned during press-fitting. Simultaneously, the fixture structure ensures even pressure across the entire circumference of the motor rotor's inner wall, resulting in uniform force distribution. This prevents scratches and deformation of the motor rotor's inner wall during assembly. Using this fixture eliminates the need to adjust the horizontal position of the rectifier diode during assembly, allowing for even pressing down and improving efficiency without damaging the diode. The fixture structure precisely aligns the rectifier diode with the threaded hole 10 of the motor rotor, pressing the diode directly to the bottom without further adjustment, making assembly more convenient and improving efficiency.
[0026] refer to Figure 1 and Figure 2 The assembly fixture body 1 is rotatably connected to a first synchronous pulley 4, and the tops of the two mounting holes 2 are respectively connected to a second synchronous pulley 6 and a third synchronous pulley 7. A first synchronous belt 5 is connected between the first synchronous pulley 4 and the second synchronous pulley 6, and a second synchronous belt 11 is connected between the third synchronous pulley 7 and the first synchronous pulley 4.
[0027] In practice, the first synchronous pulley 4, which is rotatably connected to the assembly fixture body 1, transmits power to the second synchronous pulley 6 via the first synchronous belt 5. Since the second synchronous pulley 6 is located at the top of one of the mounting holes 2 and is rigidly connected to it, the fixture bolt 3 screwed into that mounting hole 2 begins to rotate synchronously, achieving automatic screwing. Simultaneously, the second synchronous belt 11 between the first synchronous pulley 4 and the third synchronous pulley 7 also transmits power, driving the third synchronous pulley 7 at the top of the other mounting hole 2 to rotate, thus causing the corresponding fixture bolt 3 to rotate synchronously and be screwed in. This dual synchronous belt and synchronous pulley transmission design ensures that the two fixture bolts 3 approach and press against the parts to be assembled simultaneously from both sides at the same rate. This synchronous transmission control regulates the screwing rhythm and force of the fixture bolts 3, preventing damage to the parts due to uneven or excessive pressure.
[0028] refer to Figure 1 The number of mounting holes 2 is six.
[0029] In practice, this setup provides more contact and positioning points for the parts to be assembled, resulting in a higher fit between the parts and the tooling compared to a smaller number of mounting holes 2.
[0030] See Figure 3 The assembly fixture body 1 has two symmetrical threaded holes 10, which are adapted to the fixture bolts 3.
[0031] In practice, this feature facilitates the positioning and installation of the tooling bolt 3.
[0032] refer to Figure 1 A knob 8 is connected to the top of the first synchronizing pulley 4.
[0033] In practice, this setup allows operators to drive the first synchronous wheel 4 to rotate simply by turning the knob 8, without the need for additional complex tools.
[0034] refer to Figure 1 The knob 8 is fitted with an anti-slip sleeve, which has an integrally formed anti-slip texture.
[0035] In practice, this setting increases the friction of the knob 8 itself, making it easier for users to apply force to turn the knob 8.
[0036] refer to Figure 5 The assembly fixture body 1 has a positioning protrusion 9 connected to the side away from the second synchronous wheel 6.
[0037] In practice, at the initial stage of assembly, the positioning protrusion 9 can precisely engage with the corresponding grooves, holes, or edge contours on the parts to be assembled. Through this mechanical interlocking, the initial position of the parts on the assembly fixture can be quickly and accurately determined, effectively avoiding assembly misalignment caused by manual placement deviations, improving the initial accuracy of assembly. Furthermore, when subjected to external forces during assembly, such as slight vibrations, collisions, or unintentional touches during operation, the positioning protrusion 9 makes close contact with the parts, forming additional support and limiting, preventing unnecessary displacement or rotation of the parts.
[0038] Working principle: Install the motor rectifier diode into the fixture according to the hole position of the diode assembly fixture body 1; place the assembly fixture body 1 with the rectifier diode assembled into the motor rotor exciter in the correct position; align the two fixture bolts 3 of the diode fixture with the threaded holes 10 of the diode assembly fixture body 1 and screw them in until they are screwed to the bottom, pressing against the rectifier diode, hold the diode fixture bolts 3 and pull them out of the motor rotor, and then fix them in the motor rotor with screws to complete the assembly.
[0039] This design prevents the rectifier diode from being misaligned during press-fitting. Simultaneously, the fixture structure ensures even pressure across the entire circumference of the motor rotor's inner wall, resulting in uniform force distribution. This prevents scratches and deformation of the motor rotor's inner wall during assembly. Using this fixture eliminates the need to adjust the horizontal position of the rectifier diode during assembly, allowing for even pressing down and improving efficiency without damaging the diode. The fixture structure precisely aligns the rectifier diode with the threaded hole 10 of the motor rotor, pressing the diode directly to the bottom without further adjustment, making assembly more convenient and improving efficiency.
[0040] The first synchronous pulley 4, which is rotatably connected to the assembly fixture body 1, transmits power to the second synchronous pulley 6 via the first synchronous belt 5. Since the second synchronous pulley 6 is located at the top of one of the mounting holes 2 and is rigidly connected to it, the fixture bolt 3 screwed into that mounting hole 2 begins to rotate synchronously, achieving automatic screwing. Simultaneously, the second synchronous belt 11 between the first synchronous pulley 4 and the third synchronous pulley 7 also transmits power, driving the third synchronous pulley 7 at the top of the other mounting hole 2 to rotate, thus causing the corresponding fixture bolt 3 to rotate synchronously and be screwed in. This dual synchronous belt and synchronous pulley transmission design ensures that the two fixture bolts 3 approach and press against the parts to be assembled simultaneously from both sides at the same rate. This synchronous transmission control regulates the screwing rhythm and force of the fixture bolts 3, preventing damage to the parts due to uneven or excessive pressure.
Claims
1. A combined drive generator rectifier diode assembly fixture, comprising an assembly fixture body (1), characterized in that, The assembly fixture body (1) has multiple mounting holes (2), and two symmetrical fixture bolts (3) are threaded onto the mounting holes (2).
2. The rectifier diode assembly fixture for a combined drive generator as described in claim 1, characterized in that: The assembly fixture body (1) is rotatably connected to a first synchronous pulley (4), and the tops of the two mounting holes (2) are respectively connected to a second synchronous pulley (6) and a third synchronous pulley (7). A first synchronous belt (5) is driven between the first synchronous pulley (4) and the second synchronous pulley (6), and a second synchronous belt (11) is driven between the third synchronous pulley (7) and the first synchronous pulley (4).
3. The rectifier diode assembly fixture for a combined drive generator as described in claim 1, characterized in that: The number of mounting holes (2) is six.
4. The rectifier diode assembly fixture for a combined drive generator as described in claim 1, characterized in that: The assembly fixture body (1) has two symmetrical threaded holes (10), which are adapted to the fixture bolts (3).
5. The rectifier diode assembly fixture for a combined drive generator as described in claim 2, characterized in that: A knob (8) is connected to the top of the first synchronizing pulley (4).
6. The rectifier diode assembly fixture for a combined drive generator as described in claim 5, characterized in that: The knob (8) is fitted with an anti-slip sleeve, and the anti-slip sleeve is integrally formed with anti-slip texture.
7. The rectifier diode assembly fixture for a combined drive generator as described in claim 2, characterized in that: The assembly fixture body (1) has a positioning protrusion (9) connected to the side away from the second synchronous wheel (6).