Load-bearing ring reinforcing plate position control device and method

Abstract

The invention relates to the technical field of aero-engine diffuser outer wall force bearing ring machining, in particular to a force bearing ring reinforcing plate position control device and method. The control device comprises a positioning pin, an upper reference strip and a lower reference strip; a connecting plate is arranged on the positioning pin; a vertical rod is arranged on the connecting plate; the upper reference strip and the lower reference strip are arranged on the vertical rod at an interval up and down; when the dowel pin is inserted into the reference hole of the force bearing ring, the upper reference strip can be attached to the outer surface of the upper ring body of the force bearing ring, and the lower reference strip can be attached to the outer surface of the lower ring body of the force bearing ring. The distance from the end faces of the cantilever ends of the upper reference strip and the lower reference strip to the center line of the positioning pin is equal to the required distance from the center of the reference hole to the edge of the reinforcing plate. With the adoption of the device, the problems that a vernier caliper is tedious in lineation operation, easy to generate measurement errors and relatively long in time consumption are solved.

Description

Technical Field

[0001] The invention relates to the technical field of processing a load-bearing ring on the outer wall of an aircraft engine diffuser, and in particular to a load-bearing ring reinforcing plate position control device and method. Background Art

[0002] The load-bearing ring is a key load-bearing component on the outer wall of a certain type of engine diffuser. Its structure is as follows: Figure 1 As shown. A reinforcing plate 2 is welded between the upper ring body 1a and the lower ring body 1b of the bearing ring 1 to strengthen it. In order to ensure the stability of the bearing ring, the position of the reinforcing plate 2 must be guaranteed. When the reinforcing plate 2 is assembled and positioned with the bearing ring, the distance A from the center of the reference hole 1c on the bearing ring to the edge of the reinforcing plate 2 is measured to determine the assembly position. The size requirements are as follows: Figure 2 shown.

[0003] Currently, workers use vernier calipers for measurement and marking. Since the reference hole 1c is located on the horizontal plate of the upper ring body 1a and the lower ring body 1b, it is not on the same plane as the outer wall surface of the upper ring body 1a and the lower ring body 1b. Therefore, the marking operation using a vernier caliper is cumbersome, prone to measurement errors, and takes a lot of time. Summary of the invention

[0004] The main purpose of the present invention is to provide a device and method for controlling the position of a load-bearing ring reinforced plate, aiming to solve the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, on the one hand, the present invention proposes a position control device for a load-bearing ring reinforced plate, comprising a positioning pin, an upper reference bar and a lower reference bar; a connecting plate is arranged on the positioning pin; a vertical rod is arranged on the connecting plate; an upper reference bar and a lower reference bar are arranged on the vertical rod at upper and lower intervals; when the positioning pin is inserted into the reference hole of the load-bearing ring, the upper reference bar can be attached to the outer surface of the upper ring body of the load-bearing ring, and the lower reference bar can be attached to the outer surface of the lower ring body of the load-bearing ring; the distance from the end face of the cantilever end of the upper reference bar and the lower reference bar to the center line of the positioning pin is equal to the required distance from the center of the reference hole to the edge of the reinforced plate.

[0006] Preferably, the upper reference bar is provided with a first arcuate surface, and the diameter of the first arcuate surface is equal to the diameter of the outer surface of the upper ring body.

[0007] Preferably, the lower reference bar is provided with a second arc-shaped surface, and the diameter of the second arc-shaped surface is equal to the diameter of the outer surface of the lower ring body.

[0008] Preferably, a through hole is provided on the connecting plate, the positioning pin is inserted into the through hole of the connecting plate, and the positioning pin is fixed to the connecting plate by welding.

[0009] Preferably, an annular boss is provided on the outer cylindrical surface of the positioning pin, the upper portion of the positioning pin is inserted into the through hole of the connecting plate, and the top end of the annular boss abuts against the bottom surface of the connecting plate.

[0010] Preferably, the distance from the bottom surface of the annular boss to the bottom surface of the connecting plate is H, satisfying: H=t+0.5mm; wherein: t is the distance from the top surface of the reference hole on the upper ring body to the top surface of the upper ring body.

[0011] Preferably, the vertical rod is welded on the lower surface of the end of the connecting plate away from the positioning pin, and the vertical rod is parallel to the axis of the positioning pin.

[0012] Preferably, the vertical rod has a quadrangular prism structure, and the end surfaces where the upper reference bar, the lower reference bar and the vertical rod are connected are flat surfaces, and the upper reference bar, the lower reference bar and the vertical rod are connected by welding.

[0013] On the other hand, the present invention also provides a method for controlling the position of a plate reinforced by a bearing ring, using the above-mentioned device for controlling the position of a plate reinforced by a bearing ring, comprising the following steps:

[0014] S1. Insert the positioning pins on the control device into the corresponding reference holes on the upper and lower ring bodies of the bearing ring;

[0015] S2, rotating the entire control device around the axis of the positioning pin so that the upper reference bar is attached to the outer surface of the upper ring body, and the lower reference bar is attached to the outer surface of the lower ring body;

[0016] S3, assembling the reinforcing plate onto the bearing ring, and making the vertical edge of one side of the reinforcing plate abut against the end surface of the cantilever end of the upper reference bar and the lower reference bar;

[0017] S4. Use manual argon arc welding to weld the reinforcing plates to the bearing rings.

[0018] Preferably, the method further comprises step S5, detection: removing the control device, and measuring the dimension from the edge of the reinforcing plate to the reference hole with a vernier caliper to check whether it meets the dimension requirements. If not, the control device will be calibrated.

[0019] Due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows:

[0020] (1) The control device provided by the present invention is used. When in use, the positioning pins are inserted into the corresponding reference holes on the upper and lower ring bodies of the load-bearing ring; the upper reference bar is attached to the outer surface of the upper ring body, and the lower reference bar is attached to the outer surface of the lower ring body; the reinforcing plate is then assembled to the load-bearing ring, and the vertical edge of one side of the reinforcing plate is abutted against the end surface of the cantilever end of the upper and lower reference bars. At this time, the correct position of the reinforcing plate can be guaranteed, and the reinforcing plate can be welded by manual argon arc welding to the correct position of the load-bearing ring.

[0021] (2) The load-bearing ring reinforced plate position control device and method provided by the present invention overcomes the problem that the marking operation using a vernier caliper is cumbersome, prone to measurement errors, and time-consuming.

[0022] (3) The load-bearing ring reinforcement plate position control device and method provided by the present invention makes it simple and quick to assemble and position the reinforcement plate, and workers are less likely to make mistakes, which significantly improves the assembly efficiency and consistency of the reinforcement plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0024] Figure 1 This is a schematic diagram after the reinforcement plate is welded on the bearing ring;

[0025] Figure 2 Schematic diagram to strengthen the position requirements of the plate on the load-bearing ring.

[0026] Figure 3 A schematic diagram of the structure of the load-bearing ring reinforced plate position control device provided by the present invention;

[0027] Figure 4 This is a schematic diagram of the use status of the load-bearing ring reinforced plate position control device provided by the present invention.

[0028] Explanation of the accompanying drawings: 1. load-bearing ring; 1a. upper ring body; 1b. lower ring body; 1c. reference hole; 2. reinforcing plate; 3. positioning pin; 3a. annular boss; 4. connecting plate; 4a. through hole; 5. vertical rod; 6. upper reference bar; 6a. first arcuate surface; 7. lower reference bar; 7a. second arcuate surface. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0032] Combination Figure 1 , which is a schematic diagram after the reinforcing plate 2 is welded on the bearing ring 1. The reinforcing plate 2 is welded between the upper ring body 1a and the lower ring body 1b of the bearing ring 1 to strengthen it.

[0033] Combination Figure 2 As shown, in order to ensure the stability of the bearing ring 1, the position of the reinforcing plate 2 must be ensured. When the reinforcing plate 2 and the bearing ring 1 are assembled and positioned, the distance A from the center of the reference hole 1c on the bearing ring 1 to the edge of the reinforcing plate 2 is required to determine the assembly position, specifically, A = 67 ± 0.5 mm.

[0034] Combination Figure 3As shown, it is a specific embodiment of the load-bearing ring reinforcement plate position control device provided by the present invention, and the control device includes a positioning pin 3, an upper reference bar 6 and a lower reference bar 7; a connecting plate 4 is arranged on the positioning pin 3; a vertical bar 5 is arranged on the connecting plate 3; the upper reference bar 6 and the lower reference bar 7 are arranged on the vertical bar 5 at intervals; when the positioning pin 3 is inserted into the reference hole 1c of the load-bearing ring 1, the upper reference bar 6 can be attached to the outer surface of the upper ring body 1a of the load-bearing ring 1, and the lower reference bar 7 can be attached to the outer surface of the lower ring body 1b of the load-bearing ring 1; the distance A from the end face of the cantilever end of the upper reference bar 6 and the lower reference bar 7 to the center line of the positioning pin 3 is equal to the required distance from the center of the reference hole 1c to the edge of the reinforcement plate 2. Specifically, A=67±0.5mm. When determining the distance A, it is only necessary to determine the distance from the edge of the cantilever end of the upper reference bar 6 and the lower reference bar 7 that contacts the outer surface of the upper ring body 1a and the lower ring body 1b to the center line of the positioning pin 3.

[0035] In this embodiment, the upper reference bar 6 is provided with a first arcuate surface 6a, and the diameter of the first arcuate surface 6a is equal to the diameter of the outer surface of the upper ring body 1a. The first arcuate surface 6a is used to fit with the outer surface of the upper ring body 1a. Further, the lower reference bar 7 is provided with a second arcuate surface 7a, and the diameter of the second arcuate surface 7a is equal to the diameter of the outer surface of the lower ring body 1b. The second arcuate surface 7a is used to fit with the outer surface of the lower ring body 1b.

[0036] Combination Figure 3 As shown, in order to facilitate the installation of the connecting plate 4 on the positioning pin 3, a through hole 4a is provided on the connecting plate 4. During assembly, after the positioning pin 3 is inserted into the through hole 4a of the connecting plate 4, the positioning pin 3 is welded and fixed to the connecting plate 4.

[0037] In order to conveniently define the axial position of the connecting plate 4 on the positioning pin 3, an annular boss 3a is provided on the outer cylindrical surface of the positioning pin 3, the upper part of the positioning pin 3 is inserted into the through hole 4a of the connecting plate 4, and the top end of the annular boss 3a abuts against the bottom surface of the connecting plate 4.

[0038] Furthermore, combined with Figure 2 , Figure 3 As shown, the distance from the bottom surface of the annular boss 3a to the bottom surface of the connecting plate 4 is H, which satisfies: H = t + 0.5mm; where: t is the distance between the top surface of the reference hole 1c on the upper ring body 1a and the top surface of the upper ring body 1a. By ensuring the distance H, when the control device is matched with the bearing ring 1, it is possible to avoid the bottom surface of the connecting plate 4 from contacting the top surface of the upper ring body 1a, and avoid friction between the bottom surface of the connecting plate 4 and the top surface of the upper ring body 1a when the control device is rotated, resulting in damage to the top surface of the upper ring body 1a.

[0039] In this embodiment, the vertical rod 5 is welded to the lower surface of the end of the connecting plate 4 away from the positioning pin 3, and the vertical rod 5 is parallel to the axis of the positioning pin 3. The vertical rod 5 is a quadrangular prism structure, and the end surfaces of the upper reference bar 6 and the lower reference bar 7 connected to the vertical rod 5 are flat surfaces, and the upper reference bar 6 and the lower reference bar 7 are connected to the vertical rod 5 by welding. The purpose of the quadrangular prism structure of the vertical rod 5 is to facilitate welding with the upper reference bar 6 and the lower reference bar 7.

[0040] Combination Figure 4 As shown, the present invention also provides a method for controlling the position of a plate reinforced by a bearing ring, which adopts a device for controlling the position of a plate reinforced by a bearing ring, and includes the following steps:

[0041] S1. Insert the positioning pin 3 on the control device into the corresponding reference holes 1c on the upper ring body 1a and the lower ring body 1b of the bearing ring 1;

[0042] S2, rotating the entire control device around the axis of the positioning pin 3, so that the upper reference bar 6 is attached to the outer surface of the upper ring body 1a, and the lower reference bar 7 is attached to the outer surface of the lower ring body 1b;

[0043] S3, assemble the reinforcing plate 2 onto the bearing ring 1, and make the vertical edge of one side of the reinforcing plate 2 abut against the end surface of the cantilever end of the upper reference bar 6 and the lower reference bar 7;

[0044] S4. Use manual argon arc welding to weld the reinforcing plate 2 to the bearing ring 1.

[0045] Furthermore, it also includes step S5, detection: remove the control device, use a vernier caliper to measure the size between the edge of the reinforcing plate 2 and the reference hole 1c, and check whether it meets the size requirements. If it does not meet the requirements, the control device will be calibrated. If the distance A on the control device is inaccurate, the control device needs to be remade. If the distance A on the control device is accurate, it is necessary to consider whether the reinforcing plate 2 was accidentally moved during the welding process. When installing the reinforcing plate 2 again, it is necessary to be more careful to avoid moving the reinforcing plate 2.

[0046] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A load-bearing ring reinforced plate position control device, characterized in that: It comprises a positioning pin (3), an upper reference bar (6) and a lower reference bar (7); a connecting plate (4) is arranged on the positioning pin (3); a vertical rod (5) is arranged on the connecting plate (3); an upper reference bar (6) and a lower reference bar (7) are arranged on the vertical rod (5) at intervals from top to bottom; when the positioning pin (3) is inserted into the reference hole (1c) of the bearing ring (1), the upper reference bar (6) can be attached to the outer surface of the upper ring body (1a) of the bearing ring (1), and the lower reference bar (7) can be attached to the outer surface of the lower ring body (1b) of the bearing ring (1); the distance from the end face of the cantilever end of the upper reference bar (6) and the lower reference bar (7) to the center line of the positioning pin (3) is equal to the required distance from the center of the reference hole (1c) to the edge of the reinforcing plate (2).

2. A load-bearing ring reinforced plate position control device as claimed in claim 1, characterized in that: The upper reference bar (6) is provided with a first arcuate surface (6a), and the diameter of the first arcuate surface (6a) is equal to the diameter of the outer surface of the upper ring body (1a).

3. A load-bearing ring reinforced plate position control device as claimed in claim 1, characterized in that: The lower reference bar (7) is provided with a second arc-shaped surface (7a), and the diameter of the second arc-shaped surface (7a) is equal to the diameter of the outer surface of the lower ring body (1b).

4. A load-bearing ring reinforced plate position control device as claimed in claim 1, characterized in that: A through hole (4a) is provided on the connecting plate (4), the positioning pin (3) is inserted into the through hole (4a) of the connecting plate (4), and the positioning pin (3) is fixed to the connecting plate (4) by welding.

5. A load-bearing ring reinforced plate position control device as claimed in claim 4, characterized in that: An annular boss (3a) is provided on the outer cylindrical surface of the positioning pin (3), the upper part of the positioning pin (3) is inserted into the through hole (4a) of the connecting plate (4), and the top end of the annular boss (3a) abuts against the bottom surface of the connecting plate (4).

6. A load-bearing ring reinforced plate position control device as claimed in claim 5, characterized in that: The distance between the bottom surface of the annular boss (3a) and the bottom surface of the connecting plate (4) is H, which satisfies: H = t + 0.5 mm; Wherein: t is the distance between the top surface of the reference hole (1c) on the upper ring body (1a) and the top surface of the upper ring body (1a).

7. A load-bearing ring reinforced plate position control device as claimed in claim 1, characterized in that: The vertical rod (5) is welded to the lower surface of one end of the connecting plate (4) away from the positioning pin (3), and the vertical rod (5) is parallel to the axis of the positioning pin (3).

8. A load-bearing ring reinforced plate position control device as claimed in claim 1, characterized in that: The vertical rod (5) is a quadrangular prism structure, and the end surfaces where the upper reference bar (6) and the lower reference bar (7) are connected to the vertical rod (5) are flat surfaces. The upper reference bar (6) and the lower reference bar (7) are connected to the vertical rod (5) by welding.

9. A method for controlling the position of a load-bearing ring reinforced plate, characterized in that: The device for controlling the position of a plate reinforced by a bearing ring according to any one of claims 1 to 8 comprises the following steps: S1. Insert the positioning pin (3) on the control device into the corresponding upper and lower reference holes (1c) of the upper ring body (1a) and the lower ring body (1b) of the bearing ring (1); S2, rotating the entire control device around the axis of the positioning pin (3) so that the upper reference bar (6) is attached to the outer surface of the upper ring body (1a), and the lower reference bar (7) is attached to the outer surface of the lower ring body (1b); S3, assembling the reinforcing plate (2) onto the bearing ring (1), and making the vertical edge of one side of the reinforcing plate (2) abut against the end surfaces of the cantilever ends of the upper reference bar (6) and the lower reference bar (7); S4. Use manual argon arc welding to weld the reinforcing plate (2) to the bearing ring (1).

10. A method for controlling the position of a load-bearing ring reinforced plate according to claim 9, characterized in that: The method further comprises step S5, testing: removing the control device and measuring the size between the edge of the reinforcing plate (2) and the reference hole (1c) with a vernier caliper to check whether the size meets the requirement. If not, the control device is calibrated.

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