CN219715047U - Auxiliary tool for tensile test of connecting stand column of aircraft cargo hold - Google Patents
Auxiliary tool for tensile test of connecting stand column of aircraft cargo hold Download PDFInfo
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- CN219715047U CN219715047U CN202321073624.7U CN202321073624U CN219715047U CN 219715047 U CN219715047 U CN 219715047U CN 202321073624 U CN202321073624 U CN 202321073624U CN 219715047 U CN219715047 U CN 219715047U
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- 238000009864 tensile test Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
An auxiliary tool for an aircraft cargo hold connection upright column tensile test is characterized in that a spherical end of an upright column assembly is inserted into a spherical groove on a base on a top sliding seat, and a seat sliding rail locking mechanism of the upright column assembly is inserted into a hole corresponding to an aircraft seat sliding rail on a bottom sliding seat and is locked and fixed. After the two ends of the upright post component are connected, the top sliding seat and the bottom sliding seat are locked and fixed relative to the test bed through the locking mechanism, and then the tensile testing machine is operated to apply tension to the upright post component by using the tensile binding belt, so that the tension test of the upright post component is completed, the problem that the existing test machine bench cannot be installed is solved, and the working efficiency and the test precision are improved.
Description
Technical Field
The utility model relates to the field of airplane part detection, in particular to an auxiliary tool for an airplane cargo hold connecting upright post tensile test.
Background
Cargo hold connecting columns are widely used in modern civil airliners as part of the cargo arresting system of the aircraft. The top of the connecting upright post is a telescopic spherical end and is connected with a concave base at the top of the cargo hold under the action of the elastic force of an internal spring; the bottom of the upright post is a double circular boss with a self-locking device, the outline size of the double circular boss is matched with the mounting hole of the seat slide rail, and the double circular boss can be fixed and locked in the corresponding hole of the seat slide rail. The upright post is connected with a plurality of arresting belts through a handle on the column pipe, so that the cargo arresting load is transferred to the top and bottom structures of the aircraft cargo hold.
In the research and development design of the upright post, in order to ensure that the upright post is firmly connected with the aircraft structure when bearing, a tensile test is required to be carried out on the upright post. In the test, the installation state of the stand column is consistent with the actual installation state on the aircraft, but the tensile test bench does not have an installation base which is the same as or equivalent to the aircraft connection structure, and the effective installation of the stand column cannot be ensured. Meanwhile, when the raw material column pipe of the column is subjected to tensile force test, corresponding tools are required to be connected and fixed.
Disclosure of Invention
In order to overcome the defects of the technology, the utility model provides an auxiliary tool for conveniently carrying out tensile test on the upright post assembly and the upright post pipe.
The technical scheme adopted for overcoming the technical problems is as follows:
an auxiliary fixture for an aircraft cargo hold connection column tensile test, comprising:
the test bed is arranged on a workbench of the tensile testing machine, a top sliding seat is arranged at the upper end of the left side of the test bed, and a bottom sliding seat is arranged at the upper end of the right side of the test bed;
the top sliding seat and the bottom sliding seat slide along the left-right direction of the test bed through the sliding mechanism;
the locking mechanism is arranged in the test bed and used for locking and fixing the top sliding seat and the bottom sliding seat relative to the test bed; the base is arranged at the inner side end of the top sliding seat and is internally provided with a ball groove;
the aircraft seat slide rail is arranged at the inner side end of the bottom slide seat along the vertical direction;
the spherical end head at the top end of the upright post assembly is inserted into the spherical groove of the base, and the seat slide rail locking mechanism at the bottom of the upright post assembly is fixed in a hole corresponding to the aircraft seat slide rail;
the lower end of the stretching strap is fixed on a column tube of the column assembly, and the upper end of the stretching strap is fixed on a sliding block of the stretching testing machine.
Further, the sliding mechanism comprises a plurality of T-shaped grooves arranged on the test bed along the left-right direction, a limiting block I is arranged at the lower end of the top sliding seat, the limiting block I is inserted into the corresponding T-shaped groove, a limiting block II is arranged at the lower end of the bottom sliding seat, and the limiting block II is inserted into the corresponding T-shaped groove.
Further, the top sliding seat comprises a bottom plate I and a vertical plate I vertically arranged on the bottom plate I, the base is fixed at the inner side end of the vertical plate I through bolts, the bottom sliding seat comprises a bottom plate II and a vertical plate III vertically arranged on the bottom plate II, and the aircraft seat sliding rail is fixed at the inner side end of Yu Liban III along the vertical direction.
Further, the locking mechanism comprises a plurality of through holes respectively formed in the bottom plate I and the bottom plate II, the lower ends of the T-shaped bolts are inserted into the T-shaped grooves, and the upper ends of the T-shaped bolts penetrate through the through holes in the bottom plate I or the bottom plate II and are locked and fixed through nuts.
In order to realize the tensile test of pillar, still including vertical setting up on bottom plate I and being located riser I outside end riser II, riser II is parallel with riser I, is provided with the jack on the riser II, the axis of jack sets up along the horizontal direction, still including vertical setting up on bottom plate II and be located riser IV of riser III outside end, riser IV is parallel with riser III, is provided with the jack on the riser IV, the axis of jack sets up along the horizontal direction.
In order to improve the strength, the steel plate comprises a steel plate I welded and fixed on a bottom plate I, one end of the steel plate I is welded and fixed with a vertical plate I, the other end of the steel plate I is welded and fixed with a vertical plate II, the steel plate II welded and fixed on the bottom plate II is also included, one end of the steel plate II is welded and fixed with a vertical plate III, and the other end of the steel plate II is welded and fixed with a vertical plate IV.
The beneficial effects of the utility model are as follows: the spherical end of the upright post assembly is inserted into a spherical groove on a base on the top sliding seat, and the seat sliding rail locking mechanism of the upright post assembly is inserted into a hole corresponding to the aircraft seat sliding rail on the bottom sliding seat and is locked and fixed. After the two ends of the upright post component are connected, the top sliding seat and the bottom sliding seat are locked and fixed relative to the test bed through the locking mechanism, and then the tensile testing machine is operated to apply tension to the upright post component by using the tensile binding belt, so that the tension test of the upright post component is completed, the problem that the existing test machine bench cannot be installed is solved, and the working efficiency and the test precision are improved.
Drawings
FIG. 1 is a schematic perspective view of a column assembly of the present utility model in tension;
FIG. 2 is a schematic perspective view of the column tube of the present utility model when stretched;
FIG. 3 is a schematic view of the T-bolt portion of the present utility model;
FIG. 4 is a schematic view of a top carriage part of the present utility model;
FIG. 5 is a schematic view of the bottom carriage part of the present utility model;
FIG. 6 is a schematic view of a base portion of the present utility model;
FIG. 7 is a schematic view of an aircraft seat track portion of the present utility model;
in the figure, 1, a test stand 2, a T-shaped groove 3, a top sliding seat 4, a bottom sliding seat 5, a column assembly 6, a stretching strap 7.T, a bolt 8, a nut 31, a base 32, a bottom plate I33, a vertical plate I34, a limiting block I35, a vertical plate II 36, a rib plate I37, a ball groove 41, an airplane seat sliding rail 42, a bottom plate II 43, a vertical plate III 44, a limiting block II 45, a vertical plate IV 46, a rib plate II 51, a column pipe 52, a spherical end 53 and a seat sliding rail locking mechanism.
Detailed Description
The utility model is further described with reference to fig. 1 to 7.
An auxiliary fixture for an aircraft cargo hold connection column tensile test, comprising: the test bed 1 is arranged on a workbench of the tensile testing machine, a top sliding seat 3 is arranged at the upper end of the left side of the test bed, and a bottom sliding seat 4 is arranged at the upper end of the right side of the test bed; the top sliding seat 3 and the bottom sliding seat 4 slide along the left-right direction of the test bed 1 through a sliding mechanism; the locking mechanism is arranged in the test bed 1 and used for locking and fixing the top sliding seat 3 and the bottom sliding seat 4 relative to the test bed 1; a base 31 provided at an inner side end of the top slider 3, the base 31 having a ball groove 37 provided therein; the aircraft seat slide rail 41 is arranged at the inner side end of the bottom slide seat 4 along the vertical direction; the spherical end 52 at the top end of the upright post assembly 5 is inserted into the spherical groove 37 of the base 31, and the seat slide rail locking mechanism 53 at the bottom of the upright post assembly 5 is fixed in a hole corresponding to the aircraft seat slide rail 41; the lower end of the stretching strap 6 is fixed on the column tube 51 of the column assembly 5, and the upper end of the stretching strap is fixed on the sliding block of the stretching testing machine. When the tension test is required to be performed on the upright post assembly 5, the ball-shaped end 52 of the upright post assembly 5 is inserted into the ball groove 37 on the base 31 on the top sliding seat 3, the seat sliding rail locking mechanism 53 of the upright post assembly 5 is inserted into the hole corresponding to the aircraft seat sliding rail 41 on the bottom sliding seat 4, and is locked and fixed, and the specific structure of the seat sliding rail locking mechanism 53 is described in detail in the chinese patent with publication number CN209142398U, and will not be repeated here. After the two ends of the upright post assembly 5 are connected, the top sliding seat 3 and the bottom sliding seat 4 are locked and fixed relative to the test bed 1 through the locking mechanism, and then the tensile testing machine is operated to apply tension to the upright post assembly 5 by using the tensile binding belt 6, so that the tension test of the upright post assembly 5 is completed, the problem that the existing test machine rack cannot be installed is solved, and the working efficiency and the test precision are improved.
In one embodiment of the present utility model, the sliding mechanism may have a structure including a plurality of T-shaped slots 2 disposed on the test stand 1 along a left-right direction, a limiting block i 34 is disposed at a lower end of the top sliding seat 3, the limiting block i 34 is inserted into the corresponding T-shaped slot 2, a limiting block ii 44 is disposed at a lower end of the bottom sliding seat 4, and the limiting block ii 44 is inserted into the corresponding T-shaped slot 2. The top sliding seat 3 can slide left and right along the length direction of the T-shaped groove 2 relative to the test bed 1 by inserting the limiting block I34 into the T-shaped groove 2, and the bottom sliding seat 4 can slide left and right along the length direction of the T-shaped groove 2 relative to the test bed 1 by inserting the limiting block II 44 into the T-shaped groove 2, so that the installation is convenient. In one embodiment of the present utility model, the top slide 3 includes a bottom plate i 32, a vertical plate i 33 vertically mounted on the bottom plate i 32, the base 31 is fixed to an inner side end of the vertical plate i 33 by bolts, and the bottom slide 4 includes a bottom plate ii 42, a vertical plate iii 43 vertically mounted on the bottom plate ii 42, and the aircraft seat slide rail 41 is fixed to an inner side end of the Yu Liban iii 43 in a vertical direction. The top sliding seat 3 comprises a bottom plate I32 which is supported by adopting a welding process, and has the advantages of simple structure and low manufacturing cost.
In one embodiment of the present utility model, the locking mechanism may be a structure including a plurality of through holes respectively provided on the bottom plate i 32 and the bottom plate ii 42, the lower end of the T-shaped bolt 7 is inserted into the T-shaped slot 2, and the upper end of the T-shaped bolt passes through the through holes on the bottom plate i 32 or the bottom plate ii 42 and is locked and fixed by using the nut 8. The bottom plate I32 and the bottom plate II 42 are fixed on the test bed 1 by inserting the T-shaped bolts 7 into the T-shaped grooves 2, the installation and the fixation are convenient, the locking and the fixation can be realized after the top sliding seat 3 and the bottom sliding seat 4 are adjusted in place, and the connection of the upright post assembly 5 and the top sliding seat 3 and the bottom sliding seat 4 is convenient.
In one embodiment of the utility model, the vertical plate II comprises a vertical plate II 35 which is vertically arranged on the bottom plate I32 and is positioned at the outer side end of the vertical plate I33, the vertical plate II 35 is parallel to the vertical plate I33, a jack is arranged on the vertical plate II 35, the axis of the jack is arranged along the horizontal direction, the vertical plate II comprises a vertical plate IV 45 which is vertically arranged on the bottom plate II 42 and is positioned at the outer side end of the vertical plate III 43, the vertical plate IV 45 is parallel to the vertical plate III 43, a jack is arranged on the vertical plate IV 45, and the axis of the jack is arranged along the horizontal direction. When the raw material column tube 51 of the column assembly 5 is required to be subjected to tensile test, the top sliding seat 3 and the bottom sliding seat 4 are rotated by 180 degrees, the vertical plate II 35 of the top sliding seat 3 is located at the inner side end, the vertical plate I33 is located at the outer side end, the vertical plate IV 45 of the bottom sliding seat 4 is located at the inner side end, the vertical plate III 43 is located at the outer side end, one end of the column tube 51 is inserted into an inserting hole on the vertical plate II 35, the other end of the column tube 51 is inserted into an inserting hole on the vertical plate IV 45, then the lower end of a tensile binding band is fixed on the column tube 51, and the column tube 51 can be subjected to tensile test by using a tensile testing machine, so that the richness of use scenes is improved.
In one embodiment of the utility model, the device further comprises a rib plate I36 welded and fixed on the bottom plate I32, one end of the rib plate I36 is welded and fixed with the vertical plate I33, the other end of the rib plate I is welded and fixed with the vertical plate II 35, the device further comprises a rib plate II 46 welded and fixed on the bottom plate II 42, one end of the rib plate II 46 is welded and fixed with the vertical plate III 43, and the other end of the rib plate II 46 is welded and fixed with the vertical plate IV 45. Can improve the firmness of being connected between riser I33 and riser II 35 and bottom plate I32 through setting up gusset I36, can improve the firmness of being connected between riser III 43 and riser IV 45 and bottom plate II 42 through setting up gusset II 46, improve life.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A auxiliary fixtures for aircraft cargo hold connection stand tensile test, its characterized in that includes:
the test bed (1) is arranged on a workbench of the tensile testing machine, a top sliding seat (3) is arranged at the upper end of the left side of the test bed, and a bottom sliding seat (4) is arranged at the upper end of the right side of the test bed;
the top sliding seat (3) and the bottom sliding seat (4) slide along the left-right direction of the test bed (1) through a sliding mechanism;
the locking mechanism is arranged in the test bed (1) and used for locking and fixing the top sliding seat (3) and the bottom sliding seat (4) relative to the test bed (1);
a base (31) arranged at the inner side end of the top sliding seat (3), wherein a ball groove (37) is arranged in the base (31);
the aircraft seat sliding rail (41) is arranged at the inner side end of the bottom sliding seat (4) along the vertical direction;
the spherical end head (52) at the top end of the upright post assembly (5) is inserted into the spherical groove (37) of the base (31), and the seat slide rail locking mechanism (53) at the bottom of the upright post assembly (5) is fixed in a hole corresponding to the aircraft seat slide rail (41);
the lower end of the stretching strap (6) is fixed on a column tube (51) of the column assembly (5), and the upper end of the stretching strap is fixed on a sliding block of the stretching testing machine.
2. The auxiliary tool for an aircraft cargo bay connection column tensile test according to claim 1, wherein: the sliding mechanism comprises a plurality of T-shaped grooves (2) arranged on the test bed (1) along the left-right direction, a limiting block I (34) is arranged at the lower end of the top sliding seat (3), and the limiting block I (34) is inserted into the corresponding T
In the groove (2), the lower extreme of bottom slide (4) is provided with stopper II (44), stopper II (44) cartridge in corresponding T groove (2).
3. The auxiliary tool for an aircraft cargo bay connection column tensile test according to claim 1, wherein: the top sliding seat (3) comprises a bottom plate I (32) and a vertical plate I (33) vertically arranged on the bottom plate I (32), the base (31) is fixed at the inner side end of the vertical plate I (33) through bolts, and the bottom sliding seat (4) comprises a bottom plate II (42) and a vertical plate III vertically arranged on the bottom plate II (42)
(43) The aircraft seat slide rail (41) is fixed at the inner side end of Yu Liban III (43) along the vertical direction.
4. An auxiliary tool for aircraft cargo bay connection post tensile testing according to claim 3, wherein: the locking mechanism comprises a plurality of through holes which are respectively arranged on the bottom plate I (32) and the bottom plate II (42), the lower end of the T-shaped bolt (7) is inserted into the T-shaped groove (2), and the upper end of the T-shaped bolt is locked and fixed by using the nut (8) after passing through the through holes on the bottom plate I (32) or the bottom plate II (42).
5. An auxiliary tool for aircraft cargo bay connection post tensile testing according to claim 3, wherein: also comprises a vertical plate II which is vertically arranged on the bottom plate I (32) and is positioned at the outer side end of the vertical plate I (33)
(35) The vertical plate II (35) is parallel to the vertical plate I (33), a jack is arranged on the vertical plate II (35), the axis of the jack is arranged along the horizontal direction, the vertical plate II comprises a vertical plate IV (45) which is vertically arranged on the bottom plate II (42) and is positioned at the outer side end of the vertical plate III (43), the vertical plate IV (45) is parallel to the vertical plate III (43), the jack is arranged on the vertical plate IV (45), and the axis of the jack is arranged along the horizontal direction.
6. The auxiliary tool for an aircraft cargo bay connection column tensile test according to claim 5, wherein: the novel vertical plate comprises a bottom plate I (32), a vertical plate IV (45) and a rib plate II (46), wherein the rib plate I (36) is welded and fixed on the bottom plate I (32), one end of the rib plate I (36) is welded and fixed with the vertical plate I (33), the other end of the rib plate I is welded and fixed with the vertical plate II (35), the rib plate II (46) is welded and fixed on the bottom plate II (42), one end of the rib plate II (46) is welded and fixed with the vertical plate III (43), and the other end of the rib plate II is welded and fixed with the vertical plate IV (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321073624.7U CN219715047U (en) | 2023-05-04 | 2023-05-04 | Auxiliary tool for tensile test of connecting stand column of aircraft cargo hold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321073624.7U CN219715047U (en) | 2023-05-04 | 2023-05-04 | Auxiliary tool for tensile test of connecting stand column of aircraft cargo hold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715047U true CN219715047U (en) | 2023-09-19 |
Family
ID=87978485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321073624.7U Active CN219715047U (en) | 2023-05-04 | 2023-05-04 | Auxiliary tool for tensile test of connecting stand column of aircraft cargo hold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715047U (en) |
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2023
- 2023-05-04 CN CN202321073624.7U patent/CN219715047U/en active Active
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