CN212605891U - Convenient clamp for positioning fuel conduit at involution position of fuselage and wing - Google Patents
Convenient clamp for positioning fuel conduit at involution position of fuselage and wing Download PDFInfo
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- CN212605891U CN212605891U CN201922064073.8U CN201922064073U CN212605891U CN 212605891 U CN212605891 U CN 212605891U CN 201922064073 U CN201922064073 U CN 201922064073U CN 212605891 U CN212605891 U CN 212605891U
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- positioning
- fuselage
- fuel conduit
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Abstract
The utility model discloses a convenient anchor clamps that is used for fuselage wing to closing a fuel pipe location, connect including location base and inspection, the inspection connects the suit in the location base, the location base is the echelonment, the inspection connects including integrated into one piece's A cylinder, B cylinder and head in proper order for when solving fuselage pipe assembly, production efficiency is low, the assembly reliability is poor and the problem that product quality can't be guaranteed.
Description
Technical Field
The utility model relates to an aircraft fuel pipe positioning fixture field, specific saying so, a convenient anchor clamps that is used for fuselage wing to closing a fuel pipe location.
Background
In the manufacturing process of the airplane, the closing of the airplane body and the wings is a very key assembly node, after the closing of the airplane body and the wings, the airplane enters the stages of complete machine assembly, test and debugging, and the work of installing and function test of important parts such as engine installation, complete machine fuel oil airtight test, power supply system electrification and the like is carried out. When the fuselage and the wings are aligned, the conduit of the fuel system connecting the fuselage fuel tank and the wing fuel tank needs to be aligned at the same time. In order to ensure that the fuel guide pipes can be accurately butted when the wings of the fuselage are butted, a tool, a gauge, a clamp and the like are used for accurately positioning a fuel guide pipe interface in the fuel guide pipe assembling process before the wings of the fuselage are butted, the fuel guide pipe at the end of the fuselage is complex in piping system, the error sources such as structural errors, fixed point errors, guide pipe manufacturing errors and the like are more, the positioning difficulty is high, and the workload is high. Therefore, a simple and convenient positioning tool (clamp) is needed, which can not only reduce the positioning difficulty, but also greatly reduce the workload of positioning while ensuring the positioning precision of the fuel conduit at the closing part of the wings of the fuselage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient anchor clamps that is used for fuselage wing to closing a fuel pipe location for when solving fuselage pipe assembly, production efficiency is low, the assembly reliability is poor and the problem that product quality can't be guaranteed.
The utility model discloses a following technical scheme realizes:
a convenient clamp for positioning a fuel conduit at a closing position of a fuselage and a wing comprises a positioning base and an inspection connector, wherein the inspection connector is sleeved in the positioning base and is in a step shape.
Preferably, the inspection connector comprises a cylinder A, a cylinder B and a head which are integrally formed in sequence, the head is cylindrical, the diameter of the head is larger than that of the cylinder B, the diameter of the cylinder B is larger than that of the cylinder A, the cylinder B and the head share the same axial lead, and the cylinder B is sleeved in the positioning base.
Preferably, the head is kept away from B cylindrical one end and is equipped with the blind hole, the lateral wall of head has spacing platform along circumference integrated into one piece, the spacing platform is kept away from B cylindrical one end and is provided with the A ring channel, the central point of A ring channel is located the axis of head and transversal semicircular in shape.
Preferably, the bottom of blind hole is equipped with the chamfer, the spacing platform is close to the cylindrical one end of B for the inclined plane and the incline direction is kept away from the cylindrical B.
Preferably, the positioning base is stepped.
Preferably, the location base includes C cylinder and the D cylinder with the axial lead, C cylinder diameter is less than D cylinder diameter, C cylinder is provided with the hole that runs through C cylinder and D cylinder along the axial lead, B cylinder slidable mounting is downthehole, the C cylinder is close to the head.
Preferably, the length of the B cylinder is greater than the depth of the through hole.
Preferably, the one end that B cylinder was kept away from to A cylinder is provided with the chamfer, the one end that the head was kept away from to B cylinder is provided with the chamfer, the one end that the location base is close to the head is provided with the chamfer.
Preferably, the side wall of the cylinder A close to the cylinder B is provided with a ring groove B, and the side wall of the cylinder B close to the head is provided with a ring groove C.
The working principle and the installation method are as follows:
firstly, an inspection connector is installed in a positioning base, then the positioning base is installed in an airplane structure frame with frame holes, a guide pipe is positioned by the inspection connector, the head of the inspection connector is the same as the butt joint part of the guide pipe in material, size and system, namely, the positioning can be inspected, and the head can be used as a reference point for coordination of assembly to prevent the assembly error of the nose and the tail from being accumulated in local transition; the diameter of the cylinder A is smaller than that of the cylinder B, so that the cylinder B can finely adjust the clamp in the process of sliding left and right in the positioning base; the step between the cylinder A and the cylinder B and the step between the cylinder B and the head facilitate the workers to observe the result clearly when checking the length direction; and the guide pipe positioning reference is selected in a frame adding hole of a structure machine which is necessary for the guide pipe butt joint, so that the weight of the clamp is reduced to the maximum extent.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the positioning base is arranged in the frame adding hole of the structure machine which is necessary for the butt joint of the guide pipes, so that the guide pipe positioning reference is selected in the frame adding hole of the structure machine, and the weight of the clamp is reduced to the maximum extent;
(2) the positioning base is designed into a ladder shape, and the difficulty of installation is reduced due to the ladder when the positioning base is inserted into the frame hole;
(3) the utility model designs a step shape with gradually reduced diameter from the head of the inspection joint, so that the inspection joint can be finely adjusted in the positioning clamp, and workers can conveniently inspect the butt joint conduit;
(4) the ladder design of the inspection joint of the utility model can clearly observe the result of workers when the workers inspect in the length direction;
(5) the utility model discloses the head design of inspection joint becomes material, size, the standard the same with this pipe butt joint part, makes this inspection anchor clamps not only can inspect the location, can also coordinate the assembly as the datum point that the assembly is coordinated to prevent that pipeline assembly error from passing through the accumulation in the part.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
wherein 1-a positioning base; 2-checking the joint; a 21-A cylinder; 22-B cylinder; 23-a head; 231-blind holes; 232-a limit table; 233-A ring groove; 3-an aircraft structural frame; 4-the catheter to be examined.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1:
with reference to fig. 3, the convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings comprises a positioning base 1 and an inspection connector 2, wherein the inspection connector 2 is sleeved in the positioning base 1, and the inspection connector 2 is in a step shape.
Preferably, the inspection connector 2 comprises a cylinder 21, a cylinder 22 and a head 23 which are integrally formed in sequence, the head 23 is cylindrical and has a diameter larger than that of the cylinder 22, the diameter of the cylinder 22 is larger than that of the cylinder 21, the cylinder 22 and the head 23 have the same axial line, and the cylinder 22 is sleeved in the positioning base 1.
It is worth mentioning that: the positioning base 1 is arranged in an airplane structure frame 3, and the inspection connector 2 is arranged in the positioning base 1 and connected with a conduit 4 to be inspected so as to position a butt joint interface of a fuselage conduit and a wing conduit; wherein the inspection connector 2 is provided in a step shape gradually decreasing from the head 23 so that the B-cylinder 22 can move within the positioning base 1 to finely adjust the head 23
Example 2:
in this embodiment, based on the above embodiment, as shown in fig. 2, a blind hole 231 is provided at one end of the head portion 23 away from the B-cylinder 22, a limiting table 232 is integrally formed on a side wall of the head portion 23 along a circumferential direction, an a-shaped groove 233 is provided at one end of the limiting table 232 away from the B-cylinder 22, a center point of the a-shaped groove 233 is located on an axial center line of the head portion 23, and a cross section of the a-shaped groove 233 is semicircular.
Preferably, the bottom of the blind hole 231 is provided with a chamfer, and one end of the limiting table 232 close to the B cylinder 22 is an inclined plane and is far away from the B cylinder 22 in an inclined direction.
Another description is as follows: the bottom of blind hole 231 is equipped with the chamfer, the one end that spacing platform 232 is close to B cylinder 22 is the inclined plane, the contained angle of inclined plane and head 23 outer wall is the obtuse angle.
It is worth mentioning that: the head 23 of the inspection joint 2 is designed to be the same material, size and standard as the pipe butt joint part, so that the inspection clamp can not only inspect positioning, but also be used as a reference point for assembly coordination to perform coordinated assembly, and the assembly error of the pipeline is prevented from being accumulated in a local transition mode.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 3:
in this embodiment, based on the above embodiments, as shown in fig. 1 and 2, the positioning base 1 is further defined as being stepped. Wherein the design of location base 1 is the echelonment, has reduced the installation degree of difficulty.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 4:
the present embodiment is based on the above embodiments, and as shown in fig. 1 and 2, further defined, the positioning base 1 includes a C cylinder and a D cylinder having the same axis, the diameter of the C cylinder is smaller than that of the D cylinder, the C cylinder is provided with a through hole penetrating through the C cylinder and the D cylinder along the axis, the B cylinder 22 is slidably mounted in the through hole, and the C cylinder is close to the head 23.
Preferably, the length of the B cylinder 22 is greater than the depth of the through hole.
It is worth mentioning that: the length of the B cylinder 22 is larger than the depth of the through hole, so that the change of the length direction of the inspection connector 2 can be observed from both sides of the positioning base 1 when the inspection connector 2 is finely adjusted, and the observation result is clear.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 5:
in this embodiment, on the basis of the above embodiment, as shown in fig. 1 and 2, it is further defined that an end of the a cylinder 21 away from the B cylinder 22 is provided with a chamfer, an end of the B cylinder 22 away from the head 23 is provided with a chamfer, and an end of the positioning base 1 close to the head 23 is provided with a chamfer. Wherein set up the back workman can not injure the workman because of the burr when the installation, and the chamfer has the guide effect and makes installation more quick and convenient.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
Example 6:
in this embodiment, based on the above embodiment, as shown in fig. 1 and 2, a B-ring groove is provided on the side wall of the a cylinder 21 close to the B cylinder 22, and a C-ring groove is provided on the side wall of the B cylinder 22 close to the head 23. The annular groove B and the annular groove C are tool withdrawal grooves or overtravel grooves, and the arrangement of the annular groove B and the annular groove C ensures that workpieces can be processed in place and the end surfaces of adjacent parts are close to each other when the workpieces are assembled; in order to process the working procedure to the bottom of the blank when the cylinder is turned, a tool withdrawal groove is needed to withdraw the turning tool; when the cylinder is ground, the included angle of the step cannot be ground to the required precision and roughness, so that an overtravel groove needs to be arranged.
Other parts of this embodiment are the same as those of the above embodiment, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (9)
1. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings is characterized by comprising a positioning base (1) and an inspection connector (2), wherein the inspection connector (2) is sleeved in the positioning base (1), and the inspection connector (2) is in a step shape.
2. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings as claimed in claim 1, wherein the inspection joint (2) comprises an A cylinder (21), a B cylinder (22) and a head (23) which are integrally formed in sequence, the head (23) is cylindrical, the diameter of the head is larger than that of the B cylinder (22), the diameter of the B cylinder (22) is larger than that of the A cylinder (21), the B cylinder (22) and the head (23) share the same axial line, and the B cylinder (22) is sleeved in the positioning base (1).
3. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings as claimed in claim 2, wherein a blind hole (231) is formed in one end of the head (23) far away from the B cylinder (22), a limiting table (232) is integrally formed on the side wall of the head (23) along the circumferential direction, an A annular groove (233) is formed in one end of the limiting table (232) far away from the B cylinder (22), and the central point of the A annular groove (233) is located on the axial line of the head (23) and has a semicircular cross section.
4. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings as claimed in claim 3, wherein the bottom of the blind hole (231) is provided with a chamfer, and one end of the limiting table (232) close to the B cylinder (22) is an inclined plane and is far away from the B cylinder (22) in the inclined direction.
5. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings as claimed in any one of claims 1 to 4, wherein the positioning base (1) is stepped.
6. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wings as claimed in claim 4, wherein the positioning base (1) comprises a C cylinder and a D cylinder which have the same axial line, the diameter of the C cylinder is smaller than that of the D cylinder, the C cylinder is provided with a through hole penetrating through the C cylinder and the D cylinder along the axial line, the B cylinder (22) is slidably mounted in the through hole, and the C cylinder is close to the head (23).
7. The convenient fixture for positioning fuel conduits at fuselage-wing junctions according to claim 6, wherein the length of the B cylinder (22) is greater than the depth of the through hole.
8. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wing as claimed in claim 4, wherein one end of the cylinder A (21) far away from the cylinder B (22) is provided with a chamfer, one end of the cylinder B (22) far away from the head (23) is provided with a chamfer, and one end of the positioning base (1) close to the head (23) is provided with a chamfer.
9. The convenient clamp for positioning the fuel conduit at the involution position of the fuselage and the wing as claimed in claim 8, characterized in that the side wall of the cylinder A (21) close to the cylinder B (22) is provided with a ring groove B, and the side wall of the cylinder B (22) close to the head (23) is provided with a ring groove C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064073.8U CN212605891U (en) | 2019-11-26 | 2019-11-26 | Convenient clamp for positioning fuel conduit at involution position of fuselage and wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922064073.8U CN212605891U (en) | 2019-11-26 | 2019-11-26 | Convenient clamp for positioning fuel conduit at involution position of fuselage and wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212605891U true CN212605891U (en) | 2021-02-26 |
Family
ID=74727352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922064073.8U Active CN212605891U (en) | 2019-11-26 | 2019-11-26 | Convenient clamp for positioning fuel conduit at involution position of fuselage and wing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212605891U (en) |
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2019
- 2019-11-26 CN CN201922064073.8U patent/CN212605891U/en active Active
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