CN217530604U

CN217530604U - Special-shaped bent pipe detection device

Info

Publication number: CN217530604U
Application number: CN202221601604.8U
Authority: CN
Inventors: 胡凯明; 张钊尉; 黄洁; 易俊兰; 李明亮; 荣婷; 郭豪杰
Original assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Current assignee: Commercial Aircraft Corp of China Ltd; Shanghai Aircraft Manufacturing Co Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-04
Anticipated expiration: 2032-06-24

Abstract

The utility model belongs to the technical field of aviation manufacturing, and discloses a special-shaped bent pipe detection device, which comprises a base and two clamping plates, wherein the base is of a U-shaped structure and comprises a bottom plate and two side plates, the two side plates are respectively connected with two ends of the bottom plate, and each side plate is provided with a limiting clamping groove; the two clamping plates are detachably connected to the two side plates respectively, and two ends of the special-shaped bent pipe are clamped between the clamping plates and the limiting clamping grooves respectively; the detection device is simple in structure and accurate in positioning, can be used for quickly detecting the space assembly position of the special-shaped bent pipe, effectively avoids the defects caused by three-dimensional scanning or three-coordinate detection, and improves the detection efficiency.

Description

Special-shaped bent pipe detection device

Technical Field

The utility model relates to an aeronautical manufacturing technical field especially relates to a special-shaped return bend detection device.

Background

In the field of aircraft and aerospace equipment manufacturing, due to limited space in an aircraft, a conduit must be bent into various shapes so as to avoid mutual interference in the limited space, and in order to save the space occupied by the conduit to the greatest extent, the geometric shape design of the conduit is so complex that the conduit is difficult to be depicted by a two-dimensional graph, and the axis of the special-shaped bent pipe is a two-dimensional or three-dimensional curve, and the cross section shape of the special-shaped bent pipe along the axis direction is irregular.

At present, the special-shaped bent pipe structure is manufactured by additive manufacturing, generally, a selective laser melting technology is selected for manufacturing, the principle is that a three-dimensional model based on parts is introduced into manufacturing equipment through model processing software, and a machine carries out molding manufacturing according to a model slicing result, so that integrated molding of complex parts can be realized. The parts produced by additive manufacturing have strict control on the size, but the detection of the spatial position degree of the parts is still a technical difficulty.

In the prior art, the special-shaped bent pipe is detected by three-dimensional scanning equipment or three-coordinate detection equipment, but the cost is high and the efficiency is low. Still disclose a detection device among the prior art, the structure is complicated, need press from both sides tight the detection through a plurality of frock clamps, what mainly go on is the detection of dysmorphism return bend size, and mainly concentrates on detecting to the intermediate position, has neglected the detection of dysmorphism return bend both ends space assembly position, and part spare part is because the precision of vibration material disk is controlled, only need detect the space assembly position of dysmorphism return bend can.

In order to solve the above problems, it is urgently needed to develop a special-shaped bent pipe detection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dysmorphism return bend detection device, simple structure can detect the space assembly position of dysmorphism return bend fast, has improved work efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

a dysmorphism return bend detection device includes:

the base is of a U-shaped structure and comprises a bottom plate and two side plates, the two side plates are respectively connected to two ends of the bottom plate, and each side plate is provided with a limiting clamping groove;

two splint, can dismantle respectively and connect in two above-mentioned curb plates, the both ends of dysmorphism return bend press from both sides respectively and locate between corresponding above-mentioned splint and above-mentioned spacing draw-in groove.

Optionally, the shape of the limiting clamping groove is the same as the shape of the end of the special-shaped bent pipe.

Optionally, the limiting clamping groove is a semicircular groove.

Optionally, the side plate and the bottom plate are arranged at an obtuse angle.

Optionally, one of the side plate and the clamping plate is provided with a slot, and the other is provided with a protrusion, and the protrusion is inserted into the slot.

Optionally, the number of the slots and the number of the protrusions are multiple, and the multiple protrusions are correspondingly inserted into the multiple slots one by one.

Optionally, a plurality of the slots are symmetrically arranged about an axis of the limiting clamping groove.

Optionally, the limiting clamping groove is formed in a central axis of the side plate.

Optionally, the clamping plate is provided with a through hole, the through hole is opposite to the limiting clamping groove, and the end of the special-shaped bent pipe is clamped between the through hole and the limiting clamping groove.

Optionally, the base is of a special-shaped structure, and an extension curve of the bottom plate is the same as an extension curve of the special-shaped bent pipe.

The utility model has the advantages that:

the utility model provides a special-shaped bent pipe detection device, which comprises a base and two clamping plates, wherein the base is of a U-shaped structure, the base comprises a bottom plate and two side plates, the two side plates are respectively connected with the two ends of the bottom plate, the two side plates are respectively provided with a limiting clamping groove, the two clamping plates are respectively detachably connected with the two side plates, and the two ends of the special-shaped bent pipe are respectively clamped between the clamping plates and the limiting clamping grooves; when the special-shaped elbow pipe needs to be detected in the space assembly position, the two ends of the special-shaped elbow pipe are placed in the two limiting clamping grooves respectively, the clamping plates are assembled on the side plates, whether the special-shaped elbow pipe can be completely assembled between the limiting clamping grooves and the clamping plates is judged, the detection on the space assembly position of the special-shaped elbow pipe can be achieved, if the special-shaped elbow pipe can be completely assembled between the limiting clamping grooves and the clamping plates, the special-shaped elbow pipe is a qualified part, and otherwise, the special-shaped elbow pipe is an unqualified part. This dysmorphism return bend detection device can be accurate simulation actual assembly operating mode, and simple structure, operating procedure convenient and fast, fix a position accurately, can detect the space mounted position of dysmorphism return bend fast, effectively avoid adopting three-dimensional scanning or three-dimensional to detect the drawback that brings, effectively improve detection efficiency, reduce and detect the cost.

Drawings

Fig. 1 is an exploded view of a special-shaped elbow detection device according to an embodiment of the present invention;

fig. 2 is a top view of the special-shaped elbow pipe clamping device provided by the embodiment of the present invention.

In the figure:

10. a base; 11. a base plate; 12. a side plate; 121. a limiting clamping groove;

20. a splint; 21. a through hole; 22. chamfering the corner;

30. a slot; 40. a protrusion;

200. and (5) special-shaped bent pipes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

At present, in the field of aircraft and aerospace equipment manufacturing, the special-shaped elbow 200 needs to be detected to meet the requirement of space assembly size, the special-shaped elbow 200 is usually manufactured and molded by an additive manufacturing process, the precision of the common additive manufacturing process is high, detection of other sizes is not needed for the special-shaped elbow 200 which only needs to meet the requirement of space assembly size, the existing detection device generally only detects the size of the middle position of the special-shaped elbow 200, and the detection device has more structures and is complex to operate.

In order to solve the above problems, the embodiment discloses a special-shaped elbow detection device, as shown in fig. 1, the special-shaped elbow detection device includes a base 10 and two clamping plates 20, has a simple structure, can quickly detect the spatial assembly position of the special-shaped elbow 200, effectively avoids the disadvantages caused by three-dimensional scanning or three-coordinate detection, and effectively improves the detection efficiency.

Specifically, the base 10 is a U-shaped structure, and includes a bottom plate 11 and two side plates 12, the two side plates 12 are respectively connected to two ends of the bottom plate 11, each side plate 12 has been provided with a limiting clamping groove 121, the two clamping plates 20 are respectively detachably connected to the two side plates 12, and two ends of the special-shaped bent pipe 200 are respectively clamped between the corresponding clamping plates 20 and the limiting clamping grooves 121.

Through the structure, when the special-shaped bent pipe 200 needs to be detected, the two ends of the special-shaped bent pipe 200 are respectively placed on the corresponding limiting clamping grooves 121, then the two clamping plates 20 are placed on the two side plates 12 and fixedly connected, and whether the special-shaped bent pipe 200 is a qualified part or not is judged by judging whether the two ends of the special-shaped bent pipe 200 can be placed on the two correspondingly arranged limiting clamping grooves 121 or not and whether the end part of the special-shaped bent pipe 200 can be completely clamped between the clamping plates 20 and the limiting clamping grooves 121 or not. If the special-shaped bent pipe 200 can be completely assembled between the limiting clamping groove 121 and the clamping plate 20, the special-shaped bent pipe 200 is a qualified part, otherwise, the special-shaped bent pipe 200 is an unqualified part. This dysmorphism return bend detection device can be accurate simulation actual assembly operating mode to simple structure, operating procedure convenient and fast, the location is accurate, can detect the space assembly position of dysmorphism return bend 200 fast, has effectively avoidd the drawback that adopts three-dimensional scanning or three-dimensional to detect and bring, effectively improves detection efficiency.

In this embodiment, as shown in fig. 2, the base 10 has a special-shaped structure, and the extension curve of the bottom plate 11 is the same as the extension curve of the special-shaped bent pipe 200, that is, the base 10 is designed according to the extension curve of the special-shaped bent pipe 200 to better fit the special-shaped bent pipe 200, so as to effectively reduce the weight of the detection device and improve the flexibility. Optionally, the base 10 is formed by a material increase manufacturing process, and the base 10 is integrally formed by the material increase manufacturing process, so that the method is more convenient and faster, the number of assembly parts is reduced, and the precision of the detection device body is improved. Preferably, the base 10 is integrally formed by a selective laser melting process, so that the manufacturing of the detection device is more consistent, the number of assembly parts is reduced, and the precision of the detection device body is improved. Optionally, the base 10 is made of nylon, which is suitable for the additive manufacturing process and has low cost. Optionally, the clamping plate 20 is also integrally formed by a selective laser melting process, and is made of nylon, and the clamping plate 20 and the base 10 are manufactured by the same forming process, so that the adaptability between the clamping plate 20 and the base is better satisfied.

Optionally, a fixing portion (not shown in the figure) is disposed on the bottom plate 11, so that the base 10 can be fixed on a desktop or other platform through the fixing seat, and the detection device is more stable and avoids the base 10 from falling.

Further, the shape of the limiting clamping groove 121 is the same as the shape of the end of the special-shaped bent pipe 200, so that the limiting clamping groove 121 better conforms to the actual assembly condition of the special-shaped bent pipe 200, and the special-shaped bent pipe 200 can be better detected. Optionally, as shown in fig. 1, in this embodiment, the limiting clamping groove 121 is a semicircular groove, and since most of the special-shaped bent pipes 200 are currently circular bent pipes, the semicircular design meets the detection requirements of most of the special-shaped bent pipes 200. In other embodiments, the limiting clamping groove 121 may have other shapes, and only the shape of the limiting clamping groove 121 is the same as the shape of the end of the special-shaped bent pipe 200, which is not described herein again. Optionally, the limiting clamping groove 121 is arranged on the central axis of the side plate 12, so that in the detection process, the center of gravity of the detection device is ensured to be centered, the phenomenon that the detection device is overturned is avoided, and the detection device is more attractive. Further optionally, the limiting clamping grooves 121 are provided with a plurality of limiting clamping grooves 121 which are uniformly distributed on the side plate 12, so that the detection device can detect a plurality of special-shaped bent pipes 200 at the same time, and the detection efficiency is improved.

Further, as shown in fig. 1, the side plate 12 and the bottom plate 11 are arranged at an obtuse angle, so that the base 10 is of a flaring structure, is more suitable for the shape of the special-shaped elbow pipe 200, and is convenient for an operator to detect. Optionally, the bottom plate 11 and the side plate 12 are smoothly connected, so that the appearance is more attractive.

Optionally, one of the side plate 12 and the clamping plate 20 is provided with a slot 30, the other is provided with a protrusion 40, and the protrusion 40 is inserted into the slot 30, so that the clamping plate 20 and the side plate 12 can be detachably connected, and the special-shaped bent pipe 200 can be clamped between the clamping plate 20 and the side plate 12. Preferably, the slots 30 and the protrusions 40 are provided with a plurality of protrusions 40, and the plurality of protrusions 40 are correspondingly inserted into the slots 30 one by one, so that the clamping plate 20 and the side plate 12 can be stably fixed, and the special-shaped bent pipe 200 is further ensured to be clamped between the clamping plate 20 and the side plate 12. Optionally, a plurality of slots 30 are symmetrically arranged about the axis of the limiting clamping groove 121, so that the fixing points of the clamping plate 20 and the side plate 12 are more uniform, the stability of connection between the clamping plate 20 and the side plate 12 is further improved, and the special-shaped bent pipe detection device is more attractive. In the present embodiment, two protrusions 40 and two insertion grooves 30 are provided.

In this embodiment, as shown in fig. 1, the clamping plate 20 is provided with a through hole 21, and the through hole 21 and the limiting clamping groove 121 are disposed opposite to each other, so that the end of the special-shaped bent pipe 200 is clamped between the through hole 21 and the limiting clamping groove 121, thereby facilitating the detection of the special-shaped bent pipe 200. Optionally, in this embodiment, through-hole 21 is semi-circular structure, forms a circular port with spacing draw-in groove 121 cooperation for dysmorphism return bend 200 can with this circular port block, satisfy the actual assembly operating mode of dysmorphism return bend 200, and then can realize the detection to special-shaped return bend 200 space assembly size. In other embodiments, the through hole 21 may have other shapes, and the shape of the special-shaped elbow 200 is matched with the limiting clamping groove 121, which is not described herein.

Optionally, the two ends of the splint 20 away from the base 10 are provided with rounded corners 22 to reduce the number of tips and prevent the splint 20 from scratching the hands. Preferably, the clamping plate 20 is provided with a hand buckling groove at one side far away from the base 10, so that the clamping plate is more suitable for the shape of a human hand and is convenient for an operator to take. Further preferably, a pull ring is further disposed on a side of the clamping plate 20 away from the base 10, so as to facilitate the extraction by an operator.

In this embodiment, as shown in fig. 1 and fig. 2, when the special-shaped bent pipe 200 needs to be detected, two ends of the special-shaped bent pipe 200 are respectively placed on the corresponding limiting clamping grooves 121, then two clamping plates 20 are placed on the two side plates 12, the clamping plates 20 and the side plates 12 are fixedly connected through the slots 30 and the protrusions 40, and whether the length of the special-shaped bent pipe 200 can be placed on the corresponding limiting clamping grooves 121 and whether the special-shaped bent pipe 200 can be completely clamped between the through hole 21 and the limiting clamping grooves 121 is determined; if the shaped elbow 200 can be completely fitted between the limiting clamping groove 121 and the through hole 21, the shaped elbow 200 is a qualified member, whereas the shaped elbow 200 is an unqualified member. The special-shaped bent pipe detection device is simple in structure, convenient and fast in operation steps and accurate in positioning, can be used for quickly detecting the space assembly position of the special-shaped bent pipe 200, effectively avoids the defect caused by three-dimensional scanning or three-coordinate detection, and effectively improves detection efficiency.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a dysmorphism return bend detection device which characterized in that includes:

the base (10) is of a U-shaped structure, the base (10) comprises a bottom plate (11) and two side plates (12), the two side plates (12) are respectively connected to two ends of the bottom plate (11), and each side plate (12) is provided with a limiting clamping groove (121);

two splint (20), respectively can dismantle connect in two curb plate (12), the both ends of dysmorphism return bend (200) press from both sides respectively and locate corresponding splint (20) with between spacing draw-in groove (121).

2. The device for detecting the special-shaped bent pipe according to claim 1, wherein the limiting clamping groove (121) is the same as the end of the special-shaped bent pipe (200) in shape.

3. The special-shaped bent pipe detection device according to claim 1, wherein the limiting clamping groove (121) is a semicircular groove.

4. The device for detecting the special-shaped bent pipe according to claim 1, characterized in that the side plate (12) and the bottom plate (11) are arranged at an obtuse angle.

5. The device for detecting the special-shaped bent pipe according to claim 4, wherein one of the side plate (12) and the clamping plate (20) is provided with a slot (30), and the other one is provided with a protrusion (40), and the protrusion (40) is inserted into the slot (30).

6. The special-shaped bent pipe detection device according to claim 5, wherein a plurality of slots (30) and a plurality of protrusions (40) are arranged, and the plurality of protrusions (40) are correspondingly inserted into the plurality of slots (30) one by one.

7. The device for detecting the special-shaped bent pipe according to claim 6, wherein the plurality of inserting grooves (30) are symmetrically arranged around the axis of the limiting clamping groove (121).

8. The device for detecting the special-shaped bent pipe according to claim 1, wherein the limiting clamping groove (121) is formed in a central axis of the side plate (12).

9. The device for detecting the special-shaped bent pipe according to any one of claims 1 to 8, wherein a through hole (21) is formed in the clamping plate (20), the through hole (21) and the limiting clamping groove (121) are arranged oppositely, and the end of the special-shaped bent pipe (200) is clamped between the through hole (21) and the limiting clamping groove (121).

10. The device for detecting the special-shaped bent pipe according to any one of claims 1-8, wherein the base (10) is of a special-shaped structure, and the extension curve of the bottom plate (11) is the same as that of the special-shaped bent pipe (200).