Airplane altimeter adjusting device
By designing an aircraft altimeter adjustment device, the problem of fixing radio altimeters was solved, enabling rapid and accurate detection and reading, and improving detection efficiency and work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-07
AI Technical Summary
The lack of dedicated equipment in existing technology makes it difficult to fix the gap of the radio altimeter of a certain type of aircraft, affecting the accuracy and efficiency of the test results.
Design an aircraft altimeter adjustment device, including a foot bolt, a base plate, a threaded post, an anti-slip handle, a right-end threaded post, and a left-end fixing structure. Through the combined use of these components, the radio altimeter can be quickly and accurately fixed and read.
It improves the accuracy of the fixed position of the altimeter, reduces the risk of inaccurate detection and surface scratches caused by difficulty in tool selection, and improves detection efficiency and overall work efficiency.
Smart Images

Figure CN224095169U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of aviation maintenance technology relates to a kind of aircraft altimeter adjusting device, specifically relates to a kind of fixed gap value detection device of aircraft altimeter. BACKGROUND
[0002] The radio altimeter of certain aircraft needs to manually adjust gap to determine a use value to meet aircraft parameter test, such as Figure 1 As shown in the figure, the altimeter body is cylindrical, the right end face port is hexagonal, the cylindrical right side wall is provided with coaxial annular outer wall shielding outside hexagonal, and the hexagonal position is eccentric to the cylindrical, special device is needed during test, fix hexagonal, manually adjust device, drive altimeter, determine gap by reading, and reach use value, since the shape of certain aircraft altimeter is cylindrical, clamping and fixing are difficult, and because of lacking special radio altimeter detection device, detection result cannot be mutually referenced, to make up the parameter adjustment blank of the gap of certain aircraft radio altimeter after fixing, a special fixing device needs to be designed to mechanically fix radio altimeter. CONTENT OF UTILITY MODEL
[0003] The utility model provides a kind of aircraft altimeter adjusting device, can quickly, accurately, effectively fix adjustment gap to certain aircraft radio altimeter, after adjusting gap, mechanically fixed, and carry out reading to radio altimeter and carry out parameter test.
[0004] The utility model adopts following technical solutions:
[0005] A kind of aircraft altimeter adjusting device, the detection device includes foot bolt 1, bottom plate 2, threaded column 3, nonslip handle 4, right end threaded column 5, right end threaded outer ring 6 and left end fixed structure.
[0006] The bottom plate 2 lower surface four corners are made screw holes, foot bolt 1 is installed in screw hole, bottom plate 2 is made with two perpendicular bar grooves, wherein, horizontal bar groove is arranged along the center line of bottom plate 2, vertical bar groove is located at one end of horizontal bar groove and is arranged symmetrically along the center line of horizontal bar groove, and a certain interval is left between two bar grooves.
[0007] The left end fixed structure comprises a left end column 7, a left end open ring 8 and a left end fixed ring 9; the left end column 7 is provided with two, and is installed in the longitudinal slot, a threaded hole is formed in the bottom center, a stud is screwed into the left end column 7 from the lower side of the longitudinal slot of the bottom plate 2 upwards, so that the left end column 7 can slide along the slot; the left end fixed ring 9 is installed at the top of one of the left end columns 7, and is used for inserting and gap fitting one end of the height gauge cylinder; the left end open ring 8 is an annular open and close clamp, the lower half is fixed at the top of the other left end column 7, and is used for fixing the other end of the height gauge cylinder; the left end fixed ring 9 and the left end open ring 8 cooperate to fix the height gauge.
[0008] The lower end of the right end threaded column 5 is matched with the horizontal slot on the bottom plate 2, so that the right end threaded column 5 can slide along the slot, the axis of the right end threaded outer ring 6 is parallel to the horizontal slot, the lower end of the outer circle of the right end threaded outer ring 6 is fixed at the top of the right end threaded column 5, and the inner circle is provided with threads.
[0009] The threaded column 3 is provided with an inner hexagonal hole in the center and threads on the outer wall, is matched with the right end threaded outer ring 6 in a threaded mode, the inner hexagonal hole is matched with the hexagon on the height gauge to be adjusted in a butt joint mode, the threaded column 3 is provided with threaded holes in the outer wall at two ends, and is connected to the height gauge in a hexagonal fastening mode through slotting and flat end tightening screws, and the hexagon is pulled out to a required length from the height gauge by screwing the threaded column 3.
[0010] The anti-skid handle 4 is screwed on the threaded column 3 from the side away from the height gauge, the anti-skid handle 4 and the right end threaded outer ring 6 form a double-thread self-locking mode, the length of the hexagon is fixed in a required position, and then the parameter adjustment test is completed.
[0011] In use, one end of the height gauge cylinder is inserted into the left end fixed ring 9, the other end is fixed through the left end open ring 8, the positions of the two left end columns 7 are adjusted, the hexagon of the height gauge is aligned with the threaded column 3, the threaded column 3 is sleeved on the hexagon and is fixed, the hexagon is extended to a required length by screwing the threaded column 3, and the length of the hexagon is fixed by screwing the anti-skid handle 4 and the right end threaded outer ring 6 to form a double-thread self-locking mode.
[0012] The height gauge fixing device has the advantages of simple and practical structure, high speed, accuracy and safety, can improve the fixing position accuracy of the height gauge of the airplane, improve the detection efficiency, reduce the detection inaccuracy caused by the difficulty of selecting tools for workers, the knocking of the surface (the clamping end is of an arc type), the unclear height gauge parameters, the surface scratch and damage, and the influence on the overall equipment thermal support work efficiency, and realizes the shortening of the overall cycle. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The height gauge fixing device is used for height gauge parameter adjustment test, and the height gauge fixing device is shown in the drawings.
[0014] Figure 2The overall structure of the utility model is a front view.
[0015] Figure 3 The overall structure of the utility model is a plan view.
[0016] Figure 4 The schematic diagram of the foot bolt is shown, wherein (a) is a front view, and (b) is an A view.
[0017] Figure 5 The schematic diagram of the bottom plate is shown, wherein (a) is a front view, and (b) is a side view.
[0018] Figure 6 The schematic diagram of the threaded column is shown, wherein (a) is a front view, and (b) is a side view.
[0019] Figure 7 The schematic diagram of the anti-skid handle is shown, wherein (a) is a front view, and (b) is a side view.
[0020] Figure 8 The schematic diagram of the right end threaded column is shown, wherein (a) is a front view, and (b) is a side view.
[0021] Figure 9 The schematic diagram of the right end threaded outer ring is shown, wherein (a) is a front view, and (b) is a side view.
[0022] Figure 10 The schematic diagram of the left end open ring is shown, wherein (a) is a front view, and (b) is a side view.
[0023] The foot bolt 1, the bottom plate 2, the threaded column 3, the anti-skid handle 4, the right end threaded column 5, the right end threaded outer ring 6, the left end stand column 7, the left end open ring 8 and the left end fixed ring 9 are shown. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the technical scheme will be described in detail below.
[0025] The detection device of the aircraft altimeter adjusting device comprises a foot bolt 1, a bottom plate 2, a threaded column 3, an anti-skid handle 4, a right end threaded column 5, a right end threaded outer ring 6, a left end stand column 7, a left end open ring 8 and a left end fixed ring 9, as shown in Figure 2 and Figure 3 .
[0026] The bottom plate 2 is provided with a threaded hole at each corner of the lower surface, and the foot bolt 1 is installed in the threaded hole (as shown in Figure 4 The bottom plate 2 is provided with two perpendicular strip-shaped grooves, wherein the horizontal strip-shaped groove is arranged along the center line of the bottom plate 2, and the vertical strip-shaped groove is arranged symmetrically along the center line of the horizontal strip-shaped groove and has a certain spacing from the horizontal strip-shaped groove.Figure 5 .
[0027] The left end stand column 7 is provided with two, which are installed in the longitudinal strip-shaped slot, and a threaded hole is formed in the bottom center, and the stud is screwed into the left end stand column 7 from the lower side of the longitudinal strip-shaped slot of the bottom plate 2 upward, so that it can slide along the slot.
[0028] As Figure 10 The left end fixed ring 9 is installed at the top end of one of the left end stand columns 7, and is used for inserting and gap fitting one end of the height gauge cylinder; and the left end open ring 8 is a ring-shaped open and close clamp, and the lower half is fixed at the top end of the other left end stand column 7, and is used for fixing the other end of the height gauge cylinder; and the left end fixed ring 9 and the left end open ring 8 cooperate to fix the height gauge.
[0029] As Figure 8 The lower end of the right end threaded column 5 is matched with the horizontal strip-shaped slot on the bottom plate 2 to realize sliding along the slot, the axis of the right end threaded outer ring 6 is parallel to the horizontal strip-shaped slot, the lower end of the outer circle of the right end threaded outer ring 6 is fixed at the top of the segmented threaded column 5, and the inner circle is threaded. Figure 9 .
[0030] As Figure 6 The threaded column 3 is provided with an inner hexagonal hole in the center, and the outer wall is threaded and matched with the right end threaded outer ring 6, the inner hexagonal hole is matched with the hexagon on the height gauge to be adjusted to realize butt joint, the threaded column 3 is provided with threaded holes in the outer wall at both ends, and the hexagon is pulled out to the required length from the height gauge by the slotted flat end tightening screw to realize six fastening connection with the height gauge, and the length of the hexagon is fixed in the required position by rotating the threaded column 3 to complete the parameter adjustment test.
[0031] As Figure 7 The anti-skid handle 4 is screwed on the threaded column 3 from the side away from the height gauge, the anti-skid handle 4 and the right end threaded outer ring 6 form double-thread self-locking, which is used for fixing the length of the hexagon in the required position, and then completing the parameter adjustment test.
[0032] In use, one end of the height gauge cylinder is inserted into the left end fixed ring 9, the other end is fixed by the left end open ring 8, the positions of the two left end stand columns 7 are adjusted, the hexagon of the height gauge is aligned with the threaded column 3, the threaded column 3 is sleeved on the hexagon and fixed, the hexagon is stretched to the test parameter position by rotating the threaded column 3, the length of the hexagon is fixed by rotating the anti-skid handle 4 and the right end threaded outer ring 6 to form double-thread self-locking, and the wireless height gauge is detected and read after intuitive and non-destructive fixing.
[0033] In summary, the above is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An aircraft altimeter adjustment device, characterized in that, The adjustment device includes a base plate (2), a threaded post (3), a right-end threaded post (5), a right-end threaded outer ring (6), and a left-end fixing structure; The base plate (2) has two perpendicular strip grooves, one horizontal and one vertical. The left-end fixing structure is movably installed in the longitudinal groove for fixing and clamping the height gauge, so that the hexagon of the height gauge is parallel to the axis of the transverse groove. The lower end of the right-end threaded column (5) is movably installed in the horizontal groove on the base plate (2). The axis of the right-end threaded outer ring (6) is parallel to the horizontal groove. Its lower outer circle is fixed to the top of the right-end threaded column (5), and its inner circle is threaded. The threaded column (3) has an internal hexagonal hole in the center and a thread on the outer wall, which is threaded to fit the right end threaded outer ring (6). The internal hexagonal hole is connected to the hexagonal hole on the altimeter. The threaded column (3) has threaded holes on the outer walls at both ends for fastening to the hexagonal hole on the altimeter. The hexagonal hole is pulled out of the altimeter to the required length by turning the threaded column (3).
2. The aircraft altimeter adjustment device according to claim 1, characterized in that, The base plate (2) has four corner mounting pads (1) on its lower surface.
3. The aircraft altimeter adjustment device according to claim 1, characterized in that, The left-end fixing structure includes a left-end column (7), a left-end opening ring (8), and a left-end fixing ring (9); there are two left-end columns (7), both of which are movably installed in the longitudinal groove of the base plate (2); the left-end fixing ring (9) is installed on the top of one of the left-end columns (7) for inserting one end of the altimeter cylinder with clearance fit; the left-end opening ring (8) is an annular opening and closing clamp, the lower half of which is fixed on the top of the other left-end column (7) for fixing the other end of the altimeter cylinder.
4. The aircraft altimeter adjustment device according to claim 1, characterized in that, The threaded post (3) on the side away from the altimeter is threadedly engaged with the anti-slip handle (4). The anti-slip handle (4) and the right-end threaded outer ring (6) form a double-threaded self-locking mechanism to fix the hexagonal length.