Adjusting tool of aviation hydraulic damper
By designing an adjustment fixture for aviation hydraulic dampers and utilizing the cooperation of a telescopic platform and a positioning unit, the problems of high resistance and easy slippage of the dampers during transportation and installation were solved, achieving a labor-saving and safe installation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-07
AI Technical Summary
Aviation hydraulic dampers experience high resistance during transport and installation, making manual stretching difficult and prone to slippage, which can lead to personal injury or equipment damage.
An adjustment fixture for an aviation hydraulic damper was designed, including a telescopic platform, a sliding plate, a support column, and a positioning unit. Through the cooperation of the screw and the positioning unit, the damper can be stably stretched and fixed, avoiding the phenomenon of slipping out of the hand.
This enables labor-saving installation of the damper, avoids the risk of slipping out during manual stretching, and improves installation efficiency and safety.
Smart Images

Figure CN224090431U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of hydraulic damping adjustment device, especially an aviation hydraulic damper's adjustment frock. BACKGROUND
[0002] The aviation hydraulic damper is usually reciprocating linear hydraulic damper, and the reciprocating linear hydraulic damper is in the compressed state during transportation, and needs to be stretched to the length required for installation during installation, so the reciprocating linear hydraulic damper has large resistance, and the force required for manual stretching is large, and the reciprocating linear hydraulic damper is easy to be dropped during stretching, which can cause injury to the operator or damage to the damper. SUMMARY
[0003] The utility model aims at solving the above problems in prior art, and provides an aviation hydraulic damper's adjustment frock.
[0004] An aviation hydraulic damper's adjustment frock, comprising: a telescopic platform, a sliding plate, a support column one, a support column two and a positioning unit, the telescopic platform is screw-coupled with the sliding plate, the telescopic platform is fixed with the support column one, the sliding plate is fixed with the support column two, and the support column one and the support column two are both fixed with the positioning unit.
[0005] The telescopic platform comprises a fixed plate, a fixed plate slot and a screw rod one, the fixed plate is provided with a fixed plate slot along the length direction thereof, one end of the screw rod one is rotatably inserted into the fixed plate and rotatably connected with one side of the fixed plate slot through a bearing, the sliding plate is arranged in the fixed plate slot, the sliding plate is screw-coupled with the screw rod one, and the width of the sliding plate matches the width of the fixed plate slot.
[0006] Each of the two positioning units comprises a positioning column, a rectangular hole, a limiting column, a threaded sleeve, a screw rod two, a conical plate, a limiting slot, a spring and a limiting plate assembly, the positioning column is provided with a cavity on the top inside, a plurality of rectangular holes are uniformly arranged on the circumferential surface of the positioning column, the limiting column is fixed on the lower side of each of the two opposite sides of the rectangular hole, the threaded sleeve is fixed on the top surface of the positioning column, one end of the screw rod two is screw-coupled through the threaded sleeve and rotatably inserted into the cavity on the top surface of the positioning column, the conical plate is fixed on the lower end of the screw rod two, a plurality of limiting slots are uniformly arranged on the bottom surface of the cavity, one spring is arranged in each of the limiting slots, one end of the spring is fixedly connected with one side of the limiting slot, the lower end of the limiting plate assembly is slidably arranged in the limiting slot, the limiting plate assembly is slidably arranged in the rectangular hole, the limiting plate assembly is provided in plurality, the plurality of rectangular holes, the plurality of limiting slots and the plurality of limiting plate assemblies are one-to-one corresponding, and the conical plate is slidably abutted on the limiting plate assembly.
[0007] A plurality of the limiting plate assembly each includes: limiting plate, long strip gap and slider, the limiting plate slides in the rectangular hole, the limiting plate top surface slides and abuts on the cavity top surface, the limiting plate is provided with long strip gap horizontally, the limiting column slides in the long strip gap, the limiting plate lower end is provided with the slider, the slider slides in the limiting slot, the spring other end is fixedly connected with the slider, the limiting plate width matches with the rectangular hole width, one side of the limiting plate is inclined surface, the conical plate slides and abuts on the inclined surface.
[0008] The top surface of the support column one and the support column two is the same horizontal line.
[0009] Compared with the prior art, the beneficial effects of the utility model are:
[0010] The adjusting tool of the aviation hydraulic damper can solve the problems of the reciprocating linear hydraulic damper in the background art, such as the reciprocating linear hydraulic damper being in a compressed and tightened state during transportation, the reciprocating linear hydraulic damper needing to be stretched to the length required for installation during installation and use, the reciprocating linear hydraulic damper having a large resistance, a large force being required for manual stretching, the phenomenon of hand slipping being prone to occurring during stretching of the reciprocating linear hydraulic damper, and the problems of personnel being prone to being injured or the damper being prone to being damaged. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the overall structure schematic view of the utility model;
[0012] Figure 2 It is the fixed plate plan view;
[0013] Figure 3 It is the positioning column structure schematic view;
[0014] Figure 4 It is the positioning column external structure schematic view;
[0015] Figure 5 It is the limiting plate assembly structure schematic view;
[0016] Figure 6 It is the positioning column cavity bottom surface structure schematic view. DETAILED DESCRIPTION
[0017] The technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a 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 the person skilled in the art without making creative labor belong to the protection range of the utility model.
[0018] The adjusting tool of the aviation hydraulic damper comprises a telescopic platform 1, a sliding plate 2, a support column 1 3, a support column 2 4 and a positioning unit 5, the telescopic platform 1 is screw-connected with the sliding plate 2, the support column 1 3 is fixed on the telescopic platform 1, the support column 2 4 is fixed on the sliding plate 2, and the positioning unit 5 is fixed on the support column 1 3 and the support column 2 4.
[0019] The telescopic platform 1 comprises a fixed plate 1-1, a fixed plate groove 1-2 and a screw rod 1-3, the fixed plate groove 1-2 is arranged on the fixed plate 1-1 along the length direction of the fixed plate 1-1, one end of the screw rod 1-3 is rotatably penetrated into the fixed plate 1-1 and rotatably connected with one side of the fixed plate groove 1-2 through a bearing, the sliding plate 2 is arranged in the fixed plate groove 1-2, the sliding plate 2 is screw-connected with the screw rod 1-3, and the width of the sliding plate 2 matches the width of the fixed plate groove 1-2.
[0020] The two positioning units 5 each comprise a positioning column 5-1, a rectangular hole 5-2, a limiting column 5-3, a threaded sleeve 5-4, a screw rod 5-5, a conical plate 5-6, a limiting groove 5-7, a spring 5-8 and a limiting plate assembly 5-9, a cavity 5-10 is arranged on the top of the positioning column 5-1, a plurality of the rectangular holes 5-2 are uniformly arranged on the side surface of the positioning column 5-1, the limiting column 5-3 is fixed on the two opposite sides of each rectangular hole 5-2, the threaded sleeve 5-4 is fixed on the top surface of the positioning column 5-1, one end of the screw rod 5-5 is screw-penetrated through the threaded sleeve 5-4 and rotatably penetrated into the top of the positioning column 5-1 and arranged in the cavity 5-10, the conical plate 5-6 is fixed on the lower end of the screw rod 5-5, a plurality of the limiting grooves 5-7 are uniformly arranged on the bottom surface of the cavity 5-10, the spring 5-8 is arranged in each limiting groove 5-7, one end of the spring 5-8 is fixedly connected with one side of the limiting groove 5-7, the limiting plate assembly 5-9 is slidably arranged in the limiting groove 5-7, the limiting plate assembly 5-9 is slidably arranged in the rectangular hole 5-2, the limiting plate assembly 5-9 is arranged in plurality, the rectangular hole 5-2, the limiting groove 5-7 and the limiting plate assembly 5-9 are in one-to-one correspondence, and the conical plate 5-6 is slidably abutted against the limiting plate assembly 5-9.
[0021] The plurality of limiting plate assemblies 5-9 each comprise a limiting plate 5-9-1, a long slot 5-9-2 and a sliding block 5-9-3, the limiting plate 5-9-1 slides in the rectangular hole 5-2, the top surface of the limiting plate 5-9-1 slides against the top surface of the cavity 5-10, the long slot 5-9-2 is horizontally arranged on the limiting plate 5-9-1, the limiting column 5-3 slides in the long slot 5-9-2, the lower end of the limiting plate 5-9-1 is provided with the sliding block 5-9-3, the sliding block 5-9-3 slides in the limiting groove 5-7, the other end of the spring 5-8 is fixedly connected with the sliding block 5-9-3, the width of the limiting plate 5-9-1 matches the width of the rectangular hole 5-2, one side of the limiting plate 5-9-1 is a slope, and the conical plate 5-6 slides against the slope.
[0022] The top surface of the support column one 3 and the support column two 4 is a same horizontal line.
[0023] The working principle of the utility model is:
[0024] In use of the device, the fixing ring on one side of the damper is inserted into the positioning column 5-1 on the support column 1, then the screw 1-3 is rotated, the sliding plate 2 is driven to move forward or backward through the limiting belt of the fixed plate slot 1-2, and the length of the damper is adjusted, so that the other end of the damper is inserted into the positioning column 5-1 on the support column 2, then the screw 2 5-5 provided on the two positioning units 5 is rotated, the conical plate 5-6 is moved downward along the threaded sleeve 5-4, and the limiting plate 5-9-1 is pushed into the rectangular hole 5-2, so that the two ends of the damper are limited by the limiting plate 5-9-1, preventing the damper from loosening during stretching, and solving the problem of manual stretching of the damper. The long gap 5-9-2 and the limiting column 5-3 are provided to position the limiting plate 5-9-1, the limiting plate 5-9-1 moves, the slider 5-9-3 slides along the limiting slot 5-7, and the spring 5-8 is compressed, so that the limiting plate 5-9-1 is reset. When the damper is stretched, the screw 2 5-5 is rotated in the opposite direction to reset the conical plate 5-6, the slider 5-9-3 is moved by the spring 5-8, and the limiting plate 5-9-1 is reset, then the damper can be removed. After the damper is fixed, the screw 1-3 is rotated to move the sliding plate 2 and the support column 2 to the right, and the damper can be stretched until the damper is stretched to the required length. The above method can replace manual stretching of the damper and save labor. When the screw 1-3 is rotated, the wrench can be used to clamp the screw 1-3, and according to the lever principle, the screw 1-3 can be rotated more conveniently and labor-saving. The scale line can be provided on the top surface of the fixed plate 1-1, the length of the damper can be determined by comparing the movement of the sliding plate 2 with the scale line, and the subsequent installation of the damper is further facilitated.
[0025] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An adjustment fixture for an aircraft hydraulic damper, characterized in that: include: The telescopic platform (1), sliding plate (2), support column one (3), support column two (4) and positioning unit (5) are provided. The telescopic platform (1) is screwed to the sliding plate (2). Support column one (3) is fixed on the telescopic platform (1). Support column two (4) is fixed on the sliding plate (2). Positioning unit (5) is fixed on both support column one (3) and support column two (4).
2. The adjustment fixture for an aircraft hydraulic damper according to claim 1, characterized in that: The telescopic platform (1) includes: a fixed plate (1-1), a fixed plate groove (1-2), and a screw (1-3). The fixed plate (1-1) has a fixed plate groove (1-2) along its length. One end of the screw (1-3) is rotatably inserted into the fixed plate (1-1) and is rotatably connected to one side of the fixed plate groove (1-2) through a bearing. The sliding plate (2) is set in the fixed plate groove (1-2). The sliding plate (2) is screwed into the screw (1-3). The width of the sliding plate (2) matches the width of the fixed plate groove (1-2).
3. The adjustment fixture for an aircraft hydraulic damper according to claim 2, characterized in that: Both positioning units (5) include: a positioning post (5-1), a rectangular hole (5-2), a limiting post (5-3), a threaded sleeve (5-4), a second screw (5-5), a tapered plate (5-6), a limiting groove (5-7), a spring (5-8), and a limiting plate assembly (5-9). A cavity (5-10) is provided above the interior of the positioning post (5-1). Multiple rectangular holes (5-2) are evenly distributed on the periphery of the positioning post (5-1). A limiting post (5-3) is fixed below each of the two opposite sides of each rectangular hole (5-2). A threaded sleeve (5-4) is fixed to the top surface of the positioning post (5-1). One end of the second screw (5-5) is screwed through the threaded sleeve (5-4) and rotated into the cavity on the top surface of the positioning post (5-1). Inside cavity (5-10), a tapered plate (5-6) is fixed to the lower end of the screw (5-5). Multiple limiting grooves (5-7) are evenly distributed on the bottom surface of cavity (5-10). A spring (5-8) is provided in each limiting groove (5-7). One end of the spring (5-8) is fixedly connected to one side of the limiting groove (5-7). The lower end of the limiting plate assembly (5-9) slides in the limiting groove (5-7). The limiting plate assembly (5-9) slides in the rectangular hole (5-2). Multiple limiting plate assemblies (5-9) are provided. The multiple rectangular holes (5-2) correspond one-to-one with the multiple limiting grooves (5-7) and the multiple limiting plate assemblies (5-9). The tapered plate (5-6) slides against the limiting plate assembly (5-9).
4. The adjustment fixture for an aircraft hydraulic damper according to claim 3, characterized in that: Each of the multiple limiting plate assemblies (5-9) includes: a limiting plate (5-9-1), an elongated notch (5-9-2), and a slider (5-9-3). The limiting plate (5-9-1) slides within the rectangular hole (5-2), and the top surface of the limiting plate (5-9-1) slides against the top surface of the cavity (5-10). The elongated notch (5-9-2) is horizontally arranged on the limiting plate (5-9-1), and the limiting pin (5-3) slides within the elongated notch. Inside the opening (5-9-2), a slider (5-9-3) is provided at the lower end of the limiting plate (5-9-1). The slider (5-9-3) slides in the limiting groove (5-7). The other end of the spring (5-8) is fixedly connected to the slider (5-9-3). The width of the limiting plate (5-9-1) matches the width of the rectangular hole (5-2). One side of the limiting plate (5-9-1) is an inclined surface, and the conical plate (5-6) slides against the inclined surface.
5. The adjustment fixture for an aircraft hydraulic damper according to claim 1, characterized in that: The top surfaces of the first support column (3) and the second support column (4) are at the same horizontal level.