Tool for cabin butt joint measurement
By designing tooling equipment with gear meshing and rolling fit between the base and the ring bracket, the problems of precision and stability of tooling under heavy loads were solved, and high-precision compartment docking and center of mass measurement were achieved.
Patent Information
- Application Number
- CN202520013205.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing tooling is difficult to maintain high precision and stability under heavy load conditions, resulting in increased errors in aircraft segment docking and center of gravity measurement.
A tooling device comprising four bases, a semi-circular bracket, and a ring body was designed. Through gear meshing and rolling cooperation, it achieves precise guidance and stable support, thereby enhancing heavy-duty capacity.
This improved the accuracy and stability of compartment docking measurements, ensuring that no minor deformation or displacement occurs under heavy load conditions, thus enhancing operational reliability.
Smart Images
Figure CN223604228U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tool for cabin section butt joint measurement belongs to assembly fixture (B25B11 / 02) technical field. BACKGROUND
[0002] In the field of aerospace, the butt joint and mass, centroid measurement of aircraft cabin sections are important links to ensure the performance and safety of aircraft. These works usually occur in the assembly and test stage of aircraft, involving the precise butt joint and measurement of each cabin section, component and overall structure. In order to successfully complete these complex tasks, it is necessary to use tooling equipment that can withstand heavy load and has high-precision rotation and positioning function.
[0003] At present, although some tooling technologies have been applied to the butt joint and centroid measurement of aircraft cabin sections, there are still some deficiencies in the existing technology. For example, although the existing tooling design can withstand larger load, there is some compromise in precision control, resulting in increased butt joint or measurement error. In addition, the existing tooling also has problems in stability. In the process of long-time, high-load operation, the tooling may appear slight deformation or displacement, thereby affecting the butt joint precision.
[0004] Therefore, there is an urgent need for a cabin section butt joint and measurement tooling that can maintain high precision and good stability under heavy load conditions to ensure the smooth completion of various operation tasks of aircraft. SUMMARY
[0005] The technical problem to be solved by the utility model is how to improve the accuracy during the cabin section butt joint measurement.
[0006] The utility model discloses a technical scheme that is provided to solve the above technical problems: four bases that are placed on the four corners of a quadrangle on the ground, a first semicircular bracket, a second semicircular bracket, a first circular ring body and a second circular ring body, the first semicircular bracket is installed between two bases on one side of the quadrangle according to a circular arc, the second semicircular bracket is installed between two bases on the other side of the quadrangle according to a circular arc, two semicircular side walls are formed on the first semicircular bracket along the circular ring center line axis direction parallel interval, and inside and outside two side plates are arranged on the two semicircular side walls, a plurality of axial support plates are fixed between the inside and outside two side plates along the semicircular edge, and the top of the first semicircular bracket extends out a fixed plate fixed on the top surface of the base, a first motor is fixed on the outside side plate of the first semicircular bracket, at least two sliding blocks are respectively fixed on the inside and outside two side plates of the first semicircular bracket, a first gear is arranged on the inside end of the outside side plate of the first semicircular bracket, the first circular ring body is inserted between the inside and outside two side plates of the first semicircular bracket, a first gear ring is formed on the outer ring of the first circular ring body and is engaged with the first gear, and an annular guide rail is arranged on the side wall of the first circular ring body and is slidably connected with the sliding block, at least two rollers are arranged between the inside and outside two side plates of the second semicircular bracket, a second motor is fixed on the outside side plate of the second semicircular bracket, at least two compression wheels are respectively fixed on the inside and outside two side plates of the second semicircular bracket, a second gear is arranged on the inside end of the outside side plate of the second semicircular bracket, the second circular ring body is inserted between the inside and outside two side plates of the second semicircular bracket and is in first rolling connection with the rollers, a second gear ring is formed on the outer ring of the second circular ring body and is engaged with the second gear, and an annular guide groove is arranged on the side wall of the second circular ring body and is in second rolling connection with the compression wheel.
[0007] Further, a connecting rod is arranged between the first semicircular bracket and the second semicircular bracket.
[0008] Further, the top surfaces of the four bases are located on the same horizontal plane.
[0009] Further, an adapter clamp is fixed on the inner wall of the circular ring body.
[0010] Further, the circular ring body is formed by splicing and fixing two semicircular ring bodies.
[0011] Further, an annular groove is formed on the outer ring surface of the circular ring body, and a plurality of axial connecting plates are fixed in the annular groove.
[0012] The utility model discloses a beneficial effect is: because first circular ring body and second circular ring body all insert into semicircle ring support, the outer ring of first circular ring body forms first gear ring and is engaged with first gear, and the side wall of first circular ring body is equipped with annular guide rail and is engaged with sliding block slidingly, second circular ring body and the roller in the second semicircle ring support form first rolling fit, and the outer ring of second circular ring body forms second gear ring and is engaged with second gear, and the side wall of second circular ring body is equipped with annular guide groove and forms second rolling fit with compression wheel. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model discloses a kind of cabin section butt joint measurement tool for further illustrating below combined with drawing.
[0014] Figure 1 It is the overall structure schematic diagram of example cabin section butt joint measurement tool.
[0015] Figure 2 It is the overall side view structure schematic diagram of example cabin section butt joint measurement tool
[0016] Figure 3 It is the outside plate front view schematic diagram of first semicircle ring support of example cabin section butt joint measurement tool.
[0017] Figure 4 It is Figure 3 Side view structure schematic diagram.
[0018] Figure 5 It is the first semicircle ring support exploded schematic diagram of example cabin section butt joint measurement tool.
[0019] Figure 6 It is the outside plate front view schematic diagram of second semicircle ring support of example cabin section butt joint measurement tool.
[0020] Figure 7 It is the inside plate exploded schematic diagram of second semicircle ring support of example cabin section butt joint measurement tool.
[0021] Figure 8 It is the first circular ring structure schematic diagram of example cabin section butt joint measurement tool.
[0022] Figure 9 It is the actual work schematic diagram of example cabin section butt joint measurement tool.
[0023] In the figure: 1, base; 2, first half circular ring-shaped bracket; 3, second half circular ring-shaped bracket; 4, first circular ring body; 5, second circular ring body; 6, inner side plate; 7, outer side plate; 8, support plate; 9, fixed plate; 10, first motor; 11, sliding block; 12, first gear; 13, first gear ring; 14, annular guide rail; 15, roller; 16, second motor; 17, compression wheel; 18, second gear; 19, second gear ring; 20, annular guide groove; 21, connecting rod; 22, sliding block fixing position; 23, ring groove; 24, connecting plate; 25, screw; 26, pin shaft; 27, adapter clamp. DETAILED DESCRIPTION
[0024] EMBODIMENT
[0025] A cabin section docking measurement tool of the embodiment is shown in Figure 1 、 2 , and includes four bases 1 placed on the four corners of a quadrilateral on the ground, a first half circular ring-shaped bracket 2, a second half circular ring-shaped bracket 3, a first circular ring body 4, and a second circular ring body 5. The first half circular ring-shaped bracket 2 is installed between the two bases 1 on the two corners of one side of the quadrilateral according to a circular arc facing downward, and the second half circular ring-shaped bracket 3 is installed between the two bases 1 on the two corners of the other side of the quadrilateral according to a circular arc facing downward. The first half circular ring-shaped bracket 2 and the second half circular ring-shaped bracket 3 are provided with an inner side plate 6 and an outer side plate 7 on the two half circular side walls formed in parallel and spaced apart along the center line of the circular ring, and a plurality of axial support plates 8 are fixed between the inner and outer side plates along the edge of the half circle. The top ends of the first half circular ring-shaped bracket 2 and the second half circular ring-shaped bracket 3 extend out of the fixed plate 9 fixed on the top surface of the base 1, and the top surfaces of the four bases 1 are located on the same horizontal plane. A connecting rod 21 is further provided between the first half circular ring-shaped bracket 2 and the second half circular ring-shaped bracket 3 to strengthen the overall stability and load capacity. As shown in Figure 3 、 4 , 5, the first motor 10 is fixed on the outer side plate 7 of the first half circular ring-shaped bracket 2, and four sliding blocks 11 are respectively fixed on the inner and outer side plates of the first half circular ring-shaped bracket 2. Figure 4 The sliding block fixing position 22 on the outer side plate 7, and the output shaft of the first motor 10 is provided with a first gear 12 at the inner end of the outer side plate of the first half circular ring-shaped bracket 2. The first circular ring body 4 is inserted between the inner and outer side plates of the first half circular ring-shaped bracket 2, the outer circle of the first circular ring body 4 forms a first gear ring 13 and meshes with the first gear 12, and the side wall of the first circular ring body 4 is provided with an annular guide rail 14 and is in sliding cooperation with the sliding block 11. As shown in Figure 6 、 7As shown, four rollers 15 are arranged between the inner and outer side plates of the second half circular ring-shaped bracket 3, a second motor 16 is fixed on the outer side plate of the second half circular ring-shaped bracket 3, four pressing wheels 17 are respectively fixed on the inner and outer side plates of the second half circular ring-shaped bracket 3, and a second gear 18 is arranged on the inner end of the outer side plate of the second half circular ring-shaped bracket 3 and connected with the output shaft of the second motor 16; the second circular ring body 5 is inserted between the inner and outer side plates of the second half circular ring-shaped bracket 3 and forms a first rolling fit with the rollers 15, the outer ring of the second circular ring body 5 forms a second gear ring 19 and is engaged with the second gear 18, and the side wall of the second circular ring body 5 is provided with an annular guide groove 20 and forms a second rolling fit with the pressing wheels 17.
[0026] As shown in the drawings, Figure 8 the outer ring surface of the first circular ring body 4 forms an annular groove 23, and a plurality of axial connecting plates 24 are fixed in the annular groove 23, and the outer ring surface structure of the second circular ring body 5 is the same, so that the overall weight of the circular ring is reduced, the rigidity of the circular ring is improved, and the stability is increased.
[0027] In addition, the first circular ring body 4 and the second circular ring body 5 are both fixed by two half circular rings through screws 25 and pin shafts 26, which is convenient for disassembly, carrying and improving work efficiency.
[0028] As shown in the drawings, Figure 9 in actual work, the inner walls of the first circular ring body 4 and the second circular ring body 5 are both fixed with an adapter clamp 27, which can be changed according to the shape of the cabin section and is a general clamp in the field of cabin section butt joint measurement, and is used for fixing the cabin section. In this way, the rotation guide mode of the front roller and the rear sliding block can improve the accuracy of butt joint measurement on one hand and leave a gap to prevent over-constraint and improve stability on the other hand.
[0029] The utility model is not limited to the above-mentioned embodiments, and any technical solution formed by equivalent replacement falls within the protection scope required by the utility model.
Claims
1. A tool for docking measurement of a cabin section, comprising four bases placed on four corners of a quadrangle on the ground, a first semi-circular ring-shaped bracket, a second semi-circular ring-shaped bracket, a first circular ring body and a second circular ring body; the first semi-circular ring-shaped bracket is installed between two bases on two corners of one side of the quadrangle in a circular arc, the second semi-circular ring-shaped bracket is installed between two bases on two corners of the other side of the quadrangle in a circular arc; characterized in that The two half-circular side walls of the half-circular ring-shaped bracket are provided with inner and outer side plates, and a plurality of axial support plates are fixed between the inner and outer side plates along the edge of the half-circular side wall; the top of the half-circular ring-shaped bracket extends out a fixed plate fixed on the top surface of the base; the outer side plate of the first half-circular ring-shaped bracket is fixed with a first motor, and the inner and outer side plates of the first half-circular ring-shaped bracket are respectively fixed with at least two sliding blocks; the output shaft of the first motor is provided with a first gear at the inner end of the outer side plate of the first half-circular ring-shaped bracket; the first circular ring body is inserted between the inner and outer side plates of the first half-circular ring-shaped bracket, the outer ring of the first circular ring body forms a first gear ring and is engaged with the first gear, and the side wall of the first circular ring body is provided with an annular guide rail and is in sliding cooperation with the sliding block; the second half-circular ring-shaped bracket is provided with at least two rollers between the inner and outer side plates thereof, the outer side plate of the second half-circular ring-shaped bracket is fixed with a second motor, the inner and outer side plates of the second half-circular ring-shaped bracket are respectively fixed with at least two pressing wheels, and the output shaft of the second motor is provided with a second gear at the inner end of the outer side plate of the second half-circular ring-shaped bracket; the second circular ring body is inserted between the inner and outer side plates of the second half-circular ring-shaped bracket and forms a first rolling cooperation with the roller, the outer ring of the second circular ring body forms a second gear ring and is engaged with the second gear, and the side wall of the second circular ring body is provided with an annular guide groove and forms a second rolling cooperation with the pressing wheel.
2. The tooling of claim 1, wherein: A connecting rod is provided between the first half-circular ring-shaped bracket and the second half-circular ring-shaped bracket.
3. The tooling of claim 1, wherein: The top surfaces of the four bases are located on the same horizontal plane.
4. The tooling of claim 1, wherein: The inner walls of the circular ring bodies are fixed with adapter clamps.
5. The tooling of claim 1, wherein: The circular ring bodies are formed by splicing and fixing two half-circular ring bodies.
6. The tooling of claim 1, wherein: The outer ring surface of the circular ring body forms an annular groove, and a plurality of axial connecting plates are fixed in the annular groove. The outer ring surface of the circular ring body forms an annular groove, and a plurality of axial connecting plates are fixed in the annular groove.