Multifunctional maintenance clamp for aviation circuit board
By designing a multi-function maintenance fixture for aviation circuit boards with hydraulic rods and transmission rod structures, the problem of circuit board position deviation caused by inaccurate manual adjustment is solved, and stable fixing and clamping of aviation circuit boards is achieved, which improves maintenance efficiency and safety.
Patent Information
- Application Number
- CN202421724805.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Due to inaccurate manual adjustment of existing aviation circuit board repair fixtures, the circuit board is prone to position deviation during the repair process, increasing damage and repair risks.
A multi-functional maintenance fixture for aviation circuit boards is designed, adopting hydraulic rods and transmission rod structures. The hydraulic rod shortens and drive the transmission rods and connecting rods to lower the transmission rods, so that the slide rods slide inside the slide groove of the pressing blocks, driving the pressing blocks to incline, and realize the extrusion and fixation of the four corners of the circuit board.
It effectively avoids circuit board position deviation, improves stability and safety during maintenance, reduces the risk of circuit board damage, and achieves adaptability to circuit boards of different sizes.
Smart Images

Figure CN222818733U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of aviation circuit board maintenance, and in particular relates to a multifunctional maintenance fixture for aviation circuit boards. Background Art
[0002] Aviation circuit boards refer to printed circuit boards used in avionics equipment. These circuit boards play a key role in various electronic systems on aircraft, including navigation systems, communication systems, flight control systems, monitoring systems, etc.
[0003] During the maintenance and repair of avionics equipment, it is crucial to ensure that the circuit board is stably fixed. At present, aviation circuit board repair fixtures generally adopt a manual clamping method, which is favored because of its easy operation and quick adjustment. However, this traditional clamping method has certain limitations, especially in ensuring that the force on both sides of the circuit board is balanced. Due to the inaccuracy of manual adjustment, the circuit board is prone to position deviation during the maintenance process, which may not only cause damage to the circuit board, but also cause accidental contact during the maintenance process, increasing the difficulty and risk of maintenance. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a multifunctional maintenance fixture for aviation circuit boards to solve the problem raised in the above-mentioned background technology that due to the inaccuracy of manual adjustment, the circuit boards are prone to position displacement during the maintenance process, which may not only cause damage to the circuit boards, but also cause accidental touches during the maintenance process, increasing the difficulty and risk of maintenance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional maintenance fixture for aviation circuit boards, comprising a base and a pedestal, the upper surface of the base is fixedly connected to the base, the inner middle part of the base is fixedly connected to a hydraulic rod, the output end of the hydraulic rod is transmission-connected to a transmission rod, both ends of the upper surface of the base are slidably connected to a sliding seat, both ends of the upper surface of the sliding seat are fixedly connected to a column, the inner upper end of the column is fixedly connected to a sliding rod, the inner upper end of the column is rotationally connected to a pressure block through a rotating rod, a sliding groove is penetrated through the surface of the pressure block, the sliding rod is slidably connected to the inside of the sliding groove, the middle part of the upper surface of the sliding seat is slidably connected to a connecting rod, and the inner side of the connecting rod and the transmission rod are rotationally connected to each other.
[0006] Preferably, sliding grooves are provided on both side surfaces of the base, and driving motors are fixedly connected to both ends of one side surface of the base.
[0007] Preferably, the output end of the driving motor is transmission-connected with a threaded screw, and the surface of the threaded screw is threadedly connected with a sliding block.
[0008] Preferably, the sliding block is fixedly connected to the outer surface of the sliding seat.
[0009] Preferably, the threaded screw is a forward and reverse bidirectional threaded rod structure.
[0010] Preferably, a limiting groove is provided on the upper surface of the base.
[0011] Preferably, two drive motors are provided, the two drive motors have the same size and model, and the two drive motors have the same rotation speed.
[0012] Compared with the prior art, the utility model provides a multifunctional maintenance fixture for aviation circuit boards, which has the following beneficial effects:
[0013] 1. The utility model provides structures such as hydraulic rods and transmission rods. When the aviation circuit board is repaired and clamped, the aviation circuit board is placed on the upper surface of the base, the hydraulic rod is shortened and the connecting rod is driven down through the transmission rod, so that the slide bar slides inside the slide groove of the pressing block to the lowest end of the slide groove, driving the pressing block to tilt inward, and the four pressing blocks at the four corners are pressed toward the middle lower end at the same time, so as to achieve the purpose of simultaneously pressing and fixing the four corners of the aviation circuit board, effectively avoiding the circuit board from being easily offset during the repair process due to the inaccuracy of manual adjustment, which may not only cause damage to the circuit board, but also cause accidental touch during the repair process, increasing the difficulty and risk of repair;
[0014] 2. The utility model can adjust the position of the pressing block on the surface of the sliding rod according to the size of the aviation circuit board when in use, so as to realize the extrusion and fixation of aviation circuit boards of different sizes. After the position adjustment of the pressing block is completed, the pressing block can be rotated and connected to the inner side of the column through the rotating rod;
[0015] 3. The utility model is provided with a driving motor and a sliding groove and other structures. Before use, the driving motor can drive the threaded screw to rotate according to the size of the aviation circuit board, so that the sliding block can slide back and forth on both sides of the sliding seat on the base, thereby squeezing and fixing aviation circuit boards of different sizes, thereby realizing the multifunctionality of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 Axonometric drawing proposed for the utility model;
[0018] Figure 2 It is a three-dimensional schematic diagram proposed by the utility model;
[0019] Figure 3 The utility model proposed Figure 2 The enlarged view of point A in the middle;
[0020] Figure 4 A schematic diagram of the interior of the base proposed by the utility model;
[0021] Figure 5 A schematic diagram of the base proposed by the utility model;
[0022] In the figure: 1. base; 2. sliding groove; 3. driving motor; 4. threaded screw; 5. sliding block; 6. sliding seat; 7. column; 8. hydraulic rod; 9. transmission rod; 10. connecting rod; 11. sliding rod; 12. pressure block; 13. sliding groove; 14. base; 15. limit groove. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-5The utility model provides a technical solution: a multifunctional aviation circuit board maintenance fixture, including a base 1 and a base 14, the upper surface of the base 1 is fixedly connected with the base 14, the inner middle part of the base 1 is fixedly connected with a hydraulic rod 8, the output end of the hydraulic rod 8 is transmission-connected with a transmission rod 9, both ends of the upper surface of the base 1 are slidably connected with a sliding seat 6, both ends of the upper surface of the sliding seat 6 are fixedly connected with a column 7, the inner upper end of the column 7 is fixedly connected with a sliding rod 11, the inner upper end of the column 7 is rotationally connected with a pressure block 12 through a rotating rod, the surface of the pressure block 12 is penetrated with a slide groove 13, the slide rod 11 is slidably connected to the inside of the slide groove 13, the middle part of the upper surface of the sliding seat 6 is slidably connected with a connecting rod 10, the inner side of the connecting rod 10 and the transmission rod 9 are rotationally connected to each other, through the hydraulic rod 8 and the transmission rod 9 and other structures, when the aviation circuit board is repaired and clamped, the aviation circuit board is placed in On the upper surface of the base 14, the hydraulic rod 8 is shortened and the connecting rod 10 is driven down through the transmission rod 9, so that the slide bar 11 slides inside the slide groove 13 of the pressure block 12 to the lower end of the slide groove 13, driving the pressure block 12 to tilt inward, and the four pressure blocks 12 at the four corners are squeezed toward the middle lower end at the same time, so as to achieve the purpose of squeezing, fixing and clamping the four corners of the aviation circuit board at the same time, and effectively avoid the circuit board being easily offset during the maintenance process due to the inaccuracy of manual adjustment, which may not only cause damage to the circuit board, but also cause accidental touch during the maintenance process, increasing the difficulty and risk of maintenance. Through the set slide bar 11, the position of the pressure block 12 on the surface of the slide bar 11 can be adjusted according to the size of the aviation circuit board during use, so as to realize the squeezing and fixing of aviation circuit boards of different sizes. After the position adjustment of the pressure block 12 is completed, the pressure block 12 is rotated and connected to the inner side of the column 7 through the rotating rod.
[0025] In the present invention, preferably, sliding grooves 2 are provided on both side surfaces of the base 1 , and driving motors 3 are fixedly connected to both ends of one side surface of the base 1 .
[0026] In the present invention, preferably, the output end of the driving motor 3 is transmission-connected with a threaded screw 4 , and the surface of the threaded screw 4 is threadedly connected with a sliding block 5 .
[0027] In the present invention, preferably, the sliding block 5 is fixedly connected to the outer surface of the sliding seat 6 .
[0028] In the utility model, preferably, the threaded screw 4 is a forward and reverse bidirectional threaded rod structure. Through the provided drive motor 3 and sliding groove 2 and other structures, before use, the threaded screw 4 can be driven to rotate by the drive motor 3 according to the size of the aviation circuit board, so that the sliding block 5 can slide back and forth on both sides of the sliding seat 6 on the base 1, thereby squeezing and fixing aviation circuit boards of different sizes, thereby realizing the multifunctionality of the clamp.
[0029] In the present invention, preferably, a limiting groove 15 is provided on the upper surface of the base 14 .
[0030] In the present invention, preferably, two drive motors 3 are provided, the two drive motors 3 have the same size and model, and the two drive motors 3 have the same rotation speed.
[0031] The working principle and use process of the utility model: when in use, first according to the size of the aviation circuit board, the threaded screw 4 is driven to rotate by the driving motor 3, so that the sliding block 5 slides forward and backward on both sides of the sliding seat 6 on the base 1, and the position of the sliding seat 6 is adjusted to adapt to aviation circuit boards of different sizes. Then put the aviation circuit board into the limit groove 15 on the upper surface of the base 14, start the hydraulic rod 8, and drive the connecting rod 10 to descend through the transmission rod 9, so that the slide bar 11 slides inside the slide groove 13 of the pressure block 12 to the bottom of the slide groove 13, driving the pressure block 12 to tilt inward, and the four pressure blocks 12 at the four corners are squeezed toward the middle lower end at the same time, so as to achieve the simultaneous squeezing and fixing of the four corners of the aviation circuit board. During the maintenance process, if the position of the pressure block 12 needs to be adjusted, it can be adjusted through the slide bar 11. After the adjustment is completed, the pressure block 12 is rotated and connected to the inner side of the column 7 through the rotating rod. After the maintenance is completed, the operation is reversed, first the pressing block 12 is rotated and connected to the inner side of the column 7, then the hydraulic rod 8 is started to make the connecting rod 10 rise, and the sliding rod 11 slides inside the slide groove 13 to the uppermost end of the slide groove 13, driving the pressing block 12 to tilt outward, and finally the aviation circuit board is taken out from the base 14. The whole process is simple and convenient, which effectively improves the maintenance efficiency and safety.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multifunctional aviation circuit board repair fixture, comprising a base (1) and a seat (14), characterized in that: The upper surface of the base (1) is fixedly connected with a base (14), the inner middle part of the base (1) is fixedly connected with a hydraulic rod (8), the output end of the hydraulic rod (8) is transmission-connected with a transmission rod (9), both ends of the upper surface of the base (1) are slidably connected with a sliding seat (6), both ends of the upper surface of the sliding seat (6) are fixedly connected with a column (7), the inner upper end of the column (7) is fixedly connected with a sliding rod (11), the inner upper end of the column (7) is rotationally connected with a pressure block (12) through a rotating rod, the surface of the pressure block (12) is penetrated with a sliding groove (13), the sliding rod (11) is slidably connected inside the sliding groove (13), the middle part of the upper surface of the sliding seat (6) is slidably connected with a connecting rod (10), and the inner side of the connecting rod (10) and the transmission rod (9) are rotationally connected to each other.
2. The multifunctional maintenance fixture for aviation circuit boards according to claim 1, characterized in that: Sliding grooves (2) are provided on both side surfaces of the base (1), and driving motors (3) are fixedly connected to both ends of one side surface of the base (1).
3. The multifunctional maintenance fixture for aviation circuit boards according to claim 2 is characterized in that: The output end of the driving motor (3) is drivingly connected to a threaded screw (4), and the surface of the threaded screw (4) is threadedly connected to a sliding block (5).
4. The multifunctional maintenance fixture for aviation circuit boards according to claim 3 is characterized by: The sliding block (5) is fixedly connected to the outer surface of the sliding seat (6).
5. The multifunctional maintenance fixture for aviation circuit boards according to claim 3 is characterized by: The threaded screw (4) is a forward and reverse bidirectional threaded rod structure.
6. The multifunctional aviation circuit board repair fixture according to claim 1, characterized in that: A limiting groove (15) is provided on the upper surface of the base (14).
7. The multifunctional maintenance fixture for aviation circuit boards according to claim 2, characterized in that: Two drive motors (3) are provided, the two drive motors (3) have the same size and model, and the two drive motors (3) have the same rotation speed.