Modular positioning and inspection multifunctional drill jig for bottom hinge and transverse explosive bolt box of large fairing

Abstract

The invention discloses a large fairing bottom hinge and transverse explosive bolt box modular positioning and inspection multifunctional drill jig in the technical field of large fairs.The large fairing bottom hinge and transverse explosive bolt box modular positioning and inspection multifunctional drill jig comprises a main body base, a first support is fixedly connected to the outer side of one opposite angle of the main body base, and hinge positioning mechanisms are fixedly connected to the two ends of the outer side of the first support; a second support is fixedly connected to the outer side of the other opposite angle of the main body base, a supporting frame is fixedly connected to the outer side of the second support, a separation spring support positioning mechanism is fixedly connected to the upper end of the supporting frame, and fixing rods are fixedly connected to the periphery of the main body base; and one end of the fixing rod is fixedly connected with a transverse explosive bolt box positioning mechanism. According to the arrangement, a modular tooling structure is adopted, a structure formed by combining all parts through machining is adopted, the steel main body, the steel transverse explosive bolt box positioning mechanism, the steel separation spring positioning mechanism and the steel hinge positioning mechanism are combined, the manufacturing cost is low, and the tooling efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of large-scale fairings, and in particular relates to a multifunctional drilling jig for modular positioning and inspection of a bottom hinge and a transverse explosive bolt box of a large-scale fairing. Background Art

[0002] The fairing is one of the most important cabins of a launch vehicle. Its main function is to maintain the aerodynamic shape of the rocket during launch and flight, to protect the payload inside the fairing from the influence of the external natural environment and aerodynamic scour, and to reliably separate from the rocket after flying out of the atmosphere.

[0003] The existing large-scale fairing lower end face interface and rotating mechanism have spatial size and shape and position tolerance requirements with the second-stage section of the entire arrow. It is difficult for existing machine tools and tools to meet the design requirements, and the production time is long and the cost is high. The large-scale fairing rear end face interface and rotating mechanism have shape and position tolerance requirements, which are difficult for existing equipment to meet, and the cost is high, and there are certain limitations. Summary of the invention

[0004] The purpose of the present invention is to provide a modular positioning and inspection multifunctional drilling jig for the bottom hinge and transverse explosive bolt box of a large fairing, so as to solve the problem proposed in the above background technology that the assembly process of the existing large fairing requires special equipment to adjust the interface, the initial investment cost for R&D projects is large and the cycle is long, it is not suitable for R&D products, and there are certain limitations.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional drilling template for modular positioning and inspection of a large fairing bottom hinge and a transverse explosive bolt box, comprising a main body base, a first bracket is fixedly connected to the outer side of one diagonal of the main body base, both ends of the outer side of the first bracket are fixedly connected to a hinge positioning mechanism, the other diagonal outer side of the main body base is fixedly connected to a second bracket, the outer side of the second bracket is fixedly connected to a support frame, the upper end of the support frame is fixedly connected to a separation spring bracket positioning mechanism, the main body base is fixedly connected to fixing rods around, and one end of the fixing rod is fixedly connected to a transverse explosive bolt box positioning mechanism.

[0006] Preferably, a reinforcing rod is fixedly connected to the inner diagonal of the main body base, both ends of the reinforcing rod are threadedly fixedly connected to fixing blocks, and the upper end of the fixing block is fixedly connected to a lifting ring.

[0007] Preferably, a fixing plate is threadedly fixedly connected to the surface of the main base, a threaded fixing hole is fixedly opened on the surface of the fixing plate, a first reinforcing ridge is fixedly connected to the center of the fixing plate, and the first reinforcing ridge is fixedly connected to the main base.

[0008] Preferably, the first bracket and the second bracket have the same structure, the first bracket comprises a connecting vertical rod, the number of the connecting vertical rods is two, and one end of the connecting vertical rod is fixedly connected to a connecting cross rod.

[0009] Preferably, the support frame includes a transverse plate, a right-angle piece, a support rod, a tripod and a connecting plate, the two sides of the transverse plate are fixedly connected with right-angle pieces, the right-angle piece is threadedly fixedly connected to the second bracket, and the center of the right-angle piece is fixedly connected with a second reinforcing ridge.

[0010] Preferably, support rods are fixedly connected to both sides of the horizontal plate, a tripod is fixedly connected to the top of the support rods, and a connecting plate is fixedly connected to the upper end of the tripod.

[0011] Preferably, the hinge positioning mechanism comprises a positioning block, a positioning slot and a positioning pin, a positioning slot is fixedly provided on one side of the positioning block, and a positioning pin is inserted into one end of the positioning slot.

[0012] Preferably, both ends of the surface of the transverse explosive bolt box positioning mechanism are fixedly provided with latch holes, and latch columns are fixedly inserted inside the latch holes.

[0013] Preferably, a limiting edge groove is fixedly provided on the surface of the separation spring bracket positioning mechanism, the limiting edge groove has a certain curvature, and a spring hanging hole is fixedly provided on one side of the separation spring bracket positioning mechanism.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention adopts a modular tooling structure, which is a structure composed of mechanically processed parts and components, and combines a steel main body, a steel transverse explosive bolt box positioning mechanism, a steel separation spring positioning mechanism, and a steel hinge positioning mechanism, which has low production cost and improves tooling efficiency.

[0016] 2. The present invention can utilize various positioning mechanisms to mutually verify with the lower end surface interface, thereby achieving a certain effect of inspecting the end surface interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the middle A area;

[0019] Figure 3 For the present invention Figure 1 Schematic diagram of the structure of the middle B area;

[0020] Figure 4 For the present invention Figure 1Schematic diagram of the structure of the middle C area;

[0021] Figure 5 For the present invention Figure 1 Schematic diagram of the structure of the separation spring bracket positioning mechanism.

[0022] In the figure: 1. main body base; 2. first bracket; 3. hinge positioning mechanism; 4. support frame; 5. separation spring bracket positioning mechanism; 6. limiting side groove; 7. fixing rod; 8. horizontal explosive bolt box positioning mechanism; 9. latch column; 10. fixing plate; 11. first reinforcing ridge; 12. reinforcing rod; 13. fixing block; 14. lifting ring; 15. horizontal plate; 16. right-angle plate; 17. second reinforcing ridge; 18. support rod; 19. tripod bracket; 20. connecting plate; 21. positioning block; 22. positioning groove; 23. positioning pin; 24. second bracket; 25. latch hole; 26. spring hanging hole; 27. connecting vertical rod; 28. connecting horizontal rod. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 The present invention provides a technical solution: a multifunctional drilling template for modular positioning and inspection of a large fairing bottom hinge and a transverse explosive bolt box, comprising a main body base 1, a first bracket 2 is fixedly connected to the outer side of one diagonal of the main body base 1, and hinge positioning mechanisms 3 are fixedly connected to the two ends of the outer side of the first bracket 2, a second bracket 24 is fixedly connected to the outer side of the other diagonal of the main body base 1, a support frame 4 is fixedly connected to the outer side of the second bracket 24, a separation spring bracket positioning mechanism 5 is fixedly connected to the upper end of the support frame 4, and a fixing rod 7 is fixedly connected to the four sides of the main body base 1, and a transverse explosive bolt box positioning mechanism 8 is fixedly connected to one end of the fixing rod 7.

[0025] In this embodiment, according to the structural characteristics and size requirements of the large fairing, the large fairing is placed inside the tooling, the relative position of the tooling is positioned using the quadrant line on the bottom surface of the fairing body, and the transverse explosive bolt box positioning mechanism 8, the separation spring bracket positioning mechanism 5 and the hinge positioning mechanism 3 are used in sequence for positioning, and then fixed after positioning, so as to perform a good positioning of the tooling. During positioning, the relative position size requirements of the lower end face interface and the rotating mechanism can also be detected. This design method is a modular structure with high repeated positioning accuracy, which reduces the manufacturing cost of R&D products and improves the efficiency of assembly.

[0026] Specifically, a reinforcing rod 12 is fixedly connected to the inner diagonal of the main base 1 , two ends of the reinforcing rod 12 are threadedly fixedly connected to fixing blocks 13 , and the upper end of the fixing block 13 is fixedly connected to a lifting ring 14 .

[0027] In this embodiment, the structure of the main base 1 can be strengthened by the reinforcement rod 12, so that the main base 1 as a whole is more stable, and the lifting ring 14 is provided to facilitate lifting and displacement during work.

[0028] Specifically, a fixing plate 10 is threadedly fixedly connected to the surface of the main base 1 , a threaded fixing hole is fixedly opened on the surface of the fixing plate 10 , a first reinforcing ridge 11 is fixedly connected to the center of the fixing plate 10 , and the first reinforcing ridge 11 is fixedly connected to the main base 1 .

[0029] In this embodiment, the fixing plate 10 is provided to facilitate connection of the supporting rods, and the first reinforcing ridge 11 is provided to provide a better supporting effect of the fixing plate 10 and to make the supporting rods more stable.

[0030] Specifically, the first bracket 2 and the second bracket 24 have the same structure. The first bracket 2 includes two connecting vertical rods 27 , and one end of the connecting vertical rod 27 is fixedly connected to a connecting cross rod 28 .

[0031] In this embodiment, the first bracket 2 and the second bracket 24 can play a good connection role.

[0032] Specifically, the support frame 4 includes a horizontal plate 15, a right-angle piece 16, a support rod 18, a tripod bracket 19 and a connecting plate 20. The right-angle pieces 16 are fixedly connected to both sides of the horizontal plate 15. The right-angle pieces 16 are threadedly fixedly connected to the second bracket 24. The center of the right-angle piece 16 is fixedly connected to the second reinforcing ridge 17.

[0033] In this embodiment, the right-angle piece 16 is provided to facilitate the connection between the cross plate 15 and the second bracket 24 , and the second reinforcing ridge 17 can strengthen the structure of the right-angle piece 16 , making the connection between the cross plate 15 and the second bracket 24 more stable.

[0034] Specifically, two sides of the horizontal plate 15 are fixedly connected with support rods 18 , the upper part of the support rods 18 is fixedly connected with a tripod support 19 , and the upper end of the tripod support 19 is fixedly connected with a connecting plate 20 .

[0035] In this embodiment, by providing the tripod stand 19 , the supporting effect of the tripod stand 19 can be enhanced, so that the supporting performance of the connecting plate 20 is better.

[0036] Specifically, the hinge positioning mechanism 3 includes a positioning block 21 , a positioning slot 22 and a positioning pin 23 . The positioning slot 22 is fixedly formed on one side of the positioning block 21 , and the positioning pin 23 is inserted into one end of the positioning slot 22 .

[0037] In this embodiment, the hinge can be positioned by the positioning block 21, and after positioning, it can be plugged and fixed by the positioning pin 23, so that the fixing effect after overall positioning is better.

[0038] Specifically, both ends of the surface of the transverse explosive bolt box positioning mechanism 8 are fixedly provided with latch holes 25 , and the interior of the latch holes 25 is fixedly plugged with latch columns 9 .

[0039] In this embodiment, after positioning through the provided latch holes 25 , the fairing can be positioned and fixed through the provided latch columns 9 , so that the tooling positioning effect is better.

[0040] Specifically, a limiting edge groove 6 is fixedly provided on the surface of the separation spring bracket positioning mechanism 5 , and the limiting edge groove 6 has a certain curvature. A spring hanging hole 26 is fixedly provided on one side of the separation spring bracket positioning mechanism 5 .

[0041] In this embodiment, when the fairing is placed on the upper end of the separation spring bracket positioning mechanism 5, it can be sleeved inside the limiting edge groove 6, and one end of the separation spring can be buckled inside the spring hanging hole 26, thereby performing a certain limitation and achieving a better positioning effect.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes, comprising a main body base (1), Features: A first bracket (2) is fixedly connected to the outer side of one diagonal angle of the main body base (1), and hinge positioning mechanisms (3) are fixedly connected to both ends of the outer side of the first bracket (2). A second bracket (24) is fixedly connected to the outer side of the other diagonal angle of the main body base (1), and a support frame (4) is fixedly connected to the outer side of the second bracket (24). A separation spring bracket positioning mechanism (5) is fixedly connected to the upper end of the support frame (4). Fixed rods (7) are fixedly connected to the four sides of the main body base (1), and one end of the fixed rod (7) is fixedly connected to a transverse explosive bolt box positioning mechanism (8).

2. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: A reinforcing rod (12) is fixedly connected to the inner diagonal of the main body base (1), and fixing blocks (13) are threadedly fixedly connected to both ends of the reinforcing rod (12), and a lifting ring (14) is fixedly connected to the upper end of the fixing block (13).

3. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: A fixing plate (10) is threadedly fixedly connected to the surface of the main base (1), a threaded fixing hole is fixedly opened on the surface of the fixing plate (10), a first reinforcing ridge (11) is fixedly connected to the center of the fixing plate (10), and the first reinforcing ridge (11) is fixedly connected to the main base (1).

4. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: The first bracket (2) and the second bracket (24) have the same structure. The first bracket (2) comprises a connecting vertical rod (27). There are two connecting vertical rods (27). One end of the connecting vertical rod (27) is fixedly connected to a connecting horizontal rod (28).

5. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: The support frame (4) comprises a transverse plate (15), a right-angle piece (16), a support rod (18), a tripod bracket (19) and a connecting plate (20), the two sides of the transverse plate (15) are fixedly connected with the right-angle piece (16), the right-angle piece (16) is threadedly fixedly connected to the second bracket (24), and the center of the right-angle piece (16) is fixedly connected with the second reinforcing ridge (17).

6. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 5, Features: The two sides of the horizontal plate (15) are fixedly connected with support rods (18), the upper part of the support rods (18) is fixedly connected with a tripod support (19), and the upper end of the tripod support (19) is fixedly connected with a connecting plate (20).

7. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: The hinge positioning mechanism (3) comprises a positioning block (21), a positioning groove (22) and a positioning pin (23); one side of the positioning block (21) is fixedly provided with a positioning groove (22); one end of the positioning groove (22) is plugged with a positioning pin (23).

8. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: Pin holes (25) are fixedly provided at both ends of the surface of the transverse explosive bolt box positioning mechanism (8), and a pin column (9) is fixedly inserted inside the pin hole (25).

9. A multifunctional drilling jig for modular positioning and inspection of large fairing bottom hinges and transverse explosive bolt boxes according to claim 1, Features: A limiting edge groove (6) is fixedly provided on the surface of the separation spring bracket positioning mechanism (5), and the limiting edge groove (6) has a certain curvature. A spring hanging hole (26) is fixedly provided on one side of the separation spring bracket positioning mechanism (5).

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