Radar cover positioning tool

Abstract

The utility model discloses a radome positioning tool, and relates to the technical field of radome maintenance. The hinge positioning assembly, the lock hook positioning assembly, the frame positioning device, the shell centering device, the pressing block and the zero calibration block assembly are fixed to corresponding installation bases of the platform assembly respectively and connected through bolts, anti-loosening treatment is carried out through spring washers, and after general assembly measurement is qualified, an internal thread cylindrical pin is installed to complete positioning. A shell X-direction positioning block is further installed on the platform assembly, and a universal C-shaped clamp is installed on the pressing block. The positioning tool further comprises a digital display caliper and a fork gauge, and the measuring block assembly, the digital display caliper and the fork gauge are stored in the storage box. The detection method is convenient, the functions of replacing the housing of the radome, adjusting the metal frame and detecting the interchangeability can be simultaneously met, the working efficiency is improved, the cost is reduced, and the application prospect is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of radome maintenance, in particular to a radome positioning tool. Background Art

[0002] After the radome has been repaired in depth over a large area, after the metal frame has been disassembled, or when the radome is severely damaged and needs to have its composite shell replaced, it needs to be inspected. The gap value and normal value of the outer edge of the radome must meet the manual requirements before it can be reinstalled on the aircraft. The current maintenance method is generally to remove the metal frame from the old shell, make a punching template to punch holes in the new shell, and use simple tools such as pads to install the metal frame on the new shell. The existing inspection method for the radome is to use a 3D scanner to scan the repaired radome, establish a reference origin, and then compare the scan data with the measurement points given in the manual to obtain the result. After the unqualified radome is repaired, it still needs to be scanned and compared again until the parameters of all measurement points meet the manual requirements. This method is complicated to operate, inefficient, and costly. Based on this, it is particularly necessary to design a radome positioning tool. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a radome positioning tool with a reasonable structural design and a convenient detection method. It can simultaneously meet the functions of replacing the radome shell, adjusting the metal frame and detecting interchangeability, thereby improving work efficiency, reducing costs, being highly practical and easy to promote and use.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a radome positioning tool, including a platform assembly, a hinge positioning assembly, a lock hook positioning assembly, a frame positioning device, a shell centering device, a shell X-direction positioning block, a clamping block, a universal C-type clamp, a measuring block assembly, and a zeroing block assembly. The hinge positioning assembly, the lock hook positioning assembly, the frame positioning device, the shell centering device, the clamping block, and the zeroing block assembly are respectively fixed on the mounting seats corresponding to the platform assembly, connected by bolts, and anti-loosening treatment is performed using spring washers. After the final assembly measurement is qualified, the internal threaded cylindrical pin is installed to complete the positioning; the platform assembly is also equipped with a shell X-direction positioning block, and the clamping block is equipped with a universal C-type clamp; the positioning tool also includes a digital caliper and a fork gauge, and the measuring block assembly, the digital caliper and the fork gauge are stored in a storage box.

[0005] Preferably, the platform assembly consists of a truncated cone assembly, a rotating ring, a spirit level, and adjustable feet. The truncated cone assembly is welded from plates and profiles. The hinge positioning assembly, lock hook positioning assembly, frame positioning device, shell centering device, and mounting seats of the zeroing block assembly are welded to the upper surface of the truncated cone assembly by positioning welding and then processed as a whole. A plurality of rotating rings are evenly distributed in the mounting holes on the upper surface of the truncated cone assembly. The connection between the rotating ring and the truncated cone assembly is coated with thread glue to prevent loosening, and a spirit level is installed on the mounting seat corresponding to the truncated cone assembly. The truncated cone assembly is fixedly mounted on a plurality of adjustable feet. The adjustable feet are welded from square tubes and steel plates. The upper ends of the adjustable feet are mounted on the lower mounting surface of the truncated cone assembly by bolts and spring washers. The bottom ends of the adjustable feet are connected to the flat plate by bolts. The connection between the flat plate and the adjustable feet is provided with a first set screw for adjustment.

[0006] Preferably, the hinge positioning assembly consists of a positioning plate, a quick-pull pin, a first support and a first bead chain. The first support is installed on the mounting seat of the platform assembly by means of screws, spring washers and fixing pins. The positioning plate and the quick-pull pin are connected and fixed to the platform assembly by means of the first bead chain.

[0007] Preferably, the lock hook positioning assembly consists of a second support and a positioning pin shaft, the positioning pin shaft is installed in the mounting hole of the second support, and the second support is installed on the mounting seat of the platform assembly by means of screws, spring washers and fixing pins.

[0008] Preferably, the frame positioning device consists of a third support, a guide rod, a first universal ball head and a spring locating pin. The third support is installed on the mounting seat of the platform assembly by means of screws, spring washers and fixing pins. The guide rod is installed in the mounting hole of the third support. A spring locating pin is provided at the connection between the guide rod and the third support for positioning the guide rod. The first universal ball head is installed in the threaded hole above the guide rod.

[0009] Preferably, the shell centering device consists of a fourth support, a centering block, a shoulder screw and a lock nut. The fourth support is installed on the mounting seat of the platform assembly by means of screws, spring washers and fixing pins. The fourth support is connected to the centering block by means of a shoulder screw and a lock nut.

[0010] Preferably, the housing X-direction positioning block is composed of a positioning block, a baffle, a rivet, and a second bead chain. The baffle is fixed to both sides of the positioning block by rivets, and the baffle is connected and fixed to the platform assembly by the second bead chain.

[0011] Preferably, the clamping block is composed of a clamping block, a second universal ball head, a clamping positioning pin and a tightening pin. The second universal ball head is installed on the positioning surface of the clamping block, the clamping positioning pin is installed below the clamping block, and the tightening pin is installed in the threaded hole of the clamping block.

[0012] Preferably, the universal C-type clamp consists of a bracket, an elastic universal ball head, a screw, a star-shaped handle and an elastic pin. One end of the screw is screwed into the mounting hole of the star-shaped handle, and the connection is fixed by an elastic pin. The shaft of the screw is installed in the threaded hole at one end of the bracket, and the elastic universal ball head is installed in the threaded hole at the other end of the screw and the threaded hole at the other end of the bracket.

[0013] Preferably, the measuring block assembly consists of a handheld block, a dial indicator, a measuring positioning pin, and a second set screw. The dial indicator is mounted on the handheld block via the second set screw, and a measuring positioning pin is mounted below the handheld block.

[0014] Preferably, the zeroing block assembly consists of a fifth support, a zeroing block and a third fixing screw. The fifth support is installed on the mounting seat of the platform assembly by means of screws, spring washers and fixing pins. The zeroing block is installed in the hole of the fifth support, and the connection is fixed by the third fixing screw.

[0015] The beneficial effects of the utility model: the detection method of the device is convenient, and can simultaneously meet the functions of replacing the outer shell of the radome, adjusting the metal frame and detecting interchangeability, which greatly improves work efficiency and reduces costs, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0017] Figure 1 It is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] Reference Figure 1 The present specific implementation adopts the following technical scheme: a radome positioning tool, including a platform component 1, a hinge positioning component 2, a lock hook positioning component 3, a frame positioning device 4, a shell centering device 5, a shell X-direction positioning block 6, a clamping block 7, a universal C-type clamp 8, a measuring block component 9, and a zeroing block component 10. The hinge positioning component 2, the lock hook positioning component 3, the frame positioning device 4, the shell centering device 5, the clamping block 7, and the zeroing block component 10 are respectively fixed on the mounting seats corresponding to the platform component 1, connected by bolts, and anti-loosening treatment is performed using spring washers. After the final assembly measurement is qualified, the internal threaded cylindrical pin is installed to complete the positioning; the shell X-direction positioning block 6 is also installed on the platform component 1, and the clamping block 7 is installed with a universal C-type clamp 8; the positioning tool also includes a digital caliper and a fork gauge, and the measuring block component 9, the digital caliper and the fork gauge are stored in a storage box.

[0020] It is worth noting that the platform assembly 1 is composed of a round table assembly 101, a rotating ring 102, a level 103, and an adjustable foot 104. The round table assembly 101 is welded by a plate and a profile. The hinge positioning assembly 2, the lock hook positioning assembly 3, the frame positioning device 4, the shell centering device 5, and the mounting seat of the zeroing block assembly 10 are welded on the upper surface of the round table assembly 101 by positioning welding and then integrally processed; a plurality of rotating rings 102 are evenly distributed in the mounting holes on the upper surface of the round table assembly 101, and the rotating rings 102 and the round table assembly The connection of the component 101 is coated with thread glue to prevent it from loosening, and a spirit level 103 is installed on the mounting seat corresponding to the truncated table component 101; the truncated table component 101 is fixedly installed on multiple adjustable feet 104, and the adjustable feet 104 are made of square tubes and steel plates welded together. The upper ends of the adjustable feet 104 are installed on the lower mounting surface of the truncated table component 101 through bolts and spring washers, and the bottom ends of the adjustable feet 104 are connected to the plate 105 through bolts. The connection between the plate 105 and the adjustable feet 104 is provided with a first set screw 106 for adjustment.

[0021] The hinge positioning assembly 2 consists of a positioning plate 201, a quick-pull pin 202, a first support 203 and a first bead chain 204. The first support 203 is installed on the mounting seat of the platform assembly 1 by means of screws, spring washers and fixing pins. The positioning plate 201 and the quick-pull pin 202 are connected and fixed on the platform assembly 1 by means of the first bead chain 204.

[0022] The lock hook positioning assembly 3 is composed of a second support 301 and a positioning pin shaft 304. The positioning pin shaft 304 is installed in the mounting hole of the second support 301. The second support 301 is installed on the mounting seat of the platform assembly 1 through screws, spring washers and fixing pins.

[0023] The frame positioning device 4 consists of a third support 401, a guide rod 402, a first universal ball head 403 and a spring positioning pin 404. The third support 401 is installed on the mounting seat of the platform assembly 1 by means of screws, spring washers and fixing pins. The guide rod 402 is installed in the mounting hole of the third support 401. A spring positioning pin 404 is provided at the connection between the guide rod 402 and the third support 401 for positioning the guide rod 402. The first universal ball head 403 is installed in the threaded hole above the guide rod 402.

[0024] The outer shell centering device 5 consists of a fourth support 501, a centering block 502, a shoulder screw 503 and a lock nut 504. The fourth support 501 is installed on the mounting seat of the platform assembly 1 by means of screws, spring washers and fixing pins. The fourth support 501 is connected to the centering block 502 by means of a shoulder screw 503 and a lock nut 504.

[0025] The housing X-direction positioning block 6 is composed of a positioning block 601 , a baffle 602 , a rivet 603 , and a second bead chain 604 . The baffle 602 is fixed to both sides of the positioning block 601 through the rivets 603 , and the baffle 602 is connected and fixed to the platform assembly 1 through the second bead chain 604 .

[0026] The clamping block 7 consists of a clamping block 701, a second universal ball head 702, a clamping positioning pin 703, and a tightening pin 704. The second universal ball head 702 is installed on the positioning surface of the clamping block 701, the clamping positioning pin 703 is installed below the clamping block 701, and the tightening pin 704 is installed in the threaded hole of the clamping block 701.

[0027] The universal C-type clamp 8 consists of a bracket 801, an elastic universal ball head 802, a screw 803, a star-shaped handle 804 and an elastic pin 805. One end of the screw 803 is screwed into the mounting hole of the star-shaped handle 804, and the connection is fixed by the elastic pin 805. The shaft of the screw 803 is installed in the threaded hole at one end of the bracket 801, and the elastic universal ball head 802 is installed in the threaded hole at the other end of the screw 803 and the threaded hole at the other end of the bracket 801.

[0028] The measuring block assembly 9 consists of a handheld block 901 , a dial indicator 902 , a measuring positioning pin 903 , and a second set screw 904 . The dial indicator 902 is mounted on the handheld block 901 via the second set screw 904 . A measuring positioning pin 903 is mounted below the handheld block 901 .

[0029] In addition, the zeroing block assembly 10 is composed of a fifth support 1001, a zeroing block 1002 and a third fixing screw 1003. The fifth support 1001 is installed on the mounting seat of the platform assembly 1 by means of screws, spring washers and fixing pins. The zeroing block 1002 is installed in the hole of the fifth support 1001, and the connection is fixed by the third fixing screw 1003.

[0030] This specific implementation uses the hinge positioning assembly 2, the frame positioning device 4, and the shell X-direction positioning block 6 to position the metal frame and shell of the radome, and uses a measuring tool to measure the gap value and normal value of each point around the radome to determine whether the repaired radome meets the interchangeability requirements. The specific operation process is as follows:

[0031] ① Adjust the frame positioning device 4 on the tooling to the working position, use the fork gauge to adjust the gap below the first universal ball head 403 to 2mm according to the manual requirements, install the outer shell X-direction positioning block 6, lift the metal frame above the tooling, align the hinge of the metal frame with the groove of the hinge positioning component 2, and the other side with the positioning support surface of the lock hook positioning component 3, slowly lower the metal frame until the metal frame contacts the positioning support surface of the lock hook positioning component 3, insert the quick-pull pin 202 into the hinge positioning component 2 and the hinge hole of the metal frame, use the positioning piece 201 to adjust the metal frame until the theoretical origin of the metal frame coincides with the origin of the tooling, at which time the metal frame completes the positioning on the tooling.

[0032] ② Open the shell centering device 5, rotate it to the bottom of the platform assembly 1, lift the new shell to the top of the tooling, ensure that the edge of the radome is in contact with the positioning surface of the shell X-direction positioning block 6, rotate the centering block 502 on the shell centering device 5 to the locking groove of the radome shell, and slowly adjust the shell until the groove is consistent with the position of the positioning block 601. At this time, the shell is positioned on the tooling.

[0033] ③ Install the clamping block 7, and use a fork gauge to adjust the second universal ball head 702 to 2 mm, make all the connection points between the frame and the shell on the tooling and install fasteners, and remove the X-direction positioning block 6 and the clamping block 7 of the shell.

[0034] ④ Take out the measuring block assembly 9 and the digital caliper from the storage box, calibrate to zero, measure the normal value and gap value of each point in turn and record them. For unqualified points, adjust the frame according to the manual requirements until all measuring points are qualified.

[0035] ⑤ Compare the obtained values ​​of each point with the standard values ​​to determine whether each point meets the interchangeability requirements. Re-repair the points that do not meet the requirements and re-test them until they meet the interchangeability requirements.

[0036] This specific implementation is used to inspect, position and adjust the radome to meet relevant requirements after a large-scale deep repair of the radome, after the metal frame is disassembled, or when the radome is severely damaged and needs to replace the composite shell. This tool can simultaneously meet the functions of replacing the radome shell, adjusting the metal frame and detecting interchangeability. The actual values ​​of each point on the edge of the radome are directly measured by a dial indicator and a digital caliper, and directly compared with the standard data to determine whether the repaired radome is qualified, providing a basis and indicating the direction for subsequent repairs. This detection method is convenient and has changed the previous method of detecting radomes through 3D scanning, greatly improving work efficiency, and has broad market application prospects.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A radome positioning tool, characterized in that: The invention comprises a platform assembly (1), a hinge positioning assembly (2), a lock hook positioning assembly (3), a frame positioning device (4), a housing centering device (5), a housing X-direction positioning block (6), a pressing block (7), a universal C-type clamp (8), a measuring block assembly (9), and a zeroing block assembly (10). The hinge positioning assembly (2), the lock hook positioning assembly (3), the frame positioning device (4), the housing centering device (5), the pressing block (7), and the zeroing block assembly (10) are respectively fixed on mounting seats corresponding to the platform assembly (1). The platform assembly (1) is also provided with a housing X-direction positioning block (6), and the pressing block (7) is provided with a universal C-type clamp (8). The positioning tool also comprises a digital caliper and a fork gauge. The measuring block assembly (9), the digital caliper, and the fork gauge are stored in a storage box.

2. A radome positioning tool according to claim 1, characterized in that: The platform assembly (1) is composed of a truncated table assembly (101), a rotating lifting ring (102), a level (103), and an adjustable support foot (104); a plurality of rotating lifting rings (102) are evenly distributed in the mounting holes on the upper surface of the truncated table assembly (101); thread glue is applied at the connection between the rotating lifting ring (102) and the truncated table assembly (101) to prevent the rotating lifting ring (102) from loosening; and a level (103) is installed on the mounting seat corresponding to the truncated table assembly (101); The adjustable support legs (104) are fixedly mounted on a plurality of adjustable support legs (104), wherein the adjustable support legs (104) are welded by square tubes and steel plates, the upper ends of the adjustable support legs (104) are mounted on the lower mounting surface of the truncated cone assembly (101) by means of bolts and spring washers, the lower ends of the adjustable support legs (104) are connected to the plate (105) by means of bolts, and the connection between the plate (105) and the adjustable support legs (104) is provided with a first set screw (106) for adjustment.

3. The radome positioning tool according to claim 1, characterized in that: The hinge positioning assembly (2) is composed of a positioning piece (201), a quick-release pin (202), a first support (203) and a first bead chain (204); the first support (203) is mounted on a mounting seat of the platform assembly (1) by means of screws, spring washers and fixing pins; the positioning piece (201) and the quick-release pin (202) are connected and fixed to the platform assembly (1) by means of the first bead chain (204).

4. The radome positioning tool according to claim 1, characterized in that: The locking hook positioning assembly (3) is composed of a second support (301) and a positioning pin (304), wherein the positioning pin (304) is installed in the mounting hole of the second support (301), and the second support (301) is installed on the mounting seat of the platform assembly (1) by means of screws, spring washers and fixing pins.

5. The radome positioning tool according to claim 1, characterized in that: The frame positioning device (4) is composed of a third support (401), a guide rod (402), a first universal ball head (403) and a spring positioning pin (404); the third support (401) is mounted on the mounting seat of the platform assembly (1) by means of screws, spring washers and fixing pins; the guide rod (402) is mounted in the mounting hole of the third support (401); a spring positioning pin (404) for positioning the guide rod (402) is provided at the connection between the guide rod (402) and the third support (401); and the first universal ball head (403) is installed in the threaded hole above the guide rod (402).

6. The radome positioning tool according to claim 1, characterized in that: The shell centering device (5) is composed of a fourth support (501), a centering block (502), a shoulder screw (503) and a locking nut (504); the fourth support (501) is installed on the mounting seat of the platform assembly (1) by means of screws, spring washers and fixing pins; the fourth support (501) is connected to the centering block (502) by means of a shoulder screw (503) and a locking nut (504).

7. The radome positioning tool according to claim 1, characterized in that: The housing X-direction positioning block (6) is composed of a positioning block (601), a baffle (602), a rivet (603), and a second bead chain (604); the baffle (602) is fixed to both sides of the positioning block (601) by the rivets (603); and the baffle (602) is connected and fixed to the platform assembly (1) by the second bead chain (604).

8. The radome positioning tool according to claim 1, characterized in that: The clamping block (7) is composed of a clamping block (701), a second universal ball head (702), a clamping positioning pin (703), and a tightening pin (704); the second universal ball head (702) is installed on the positioning surface of the clamping block (701), the clamping positioning pin (703) is installed below the clamping block (701), and the tightening pin (704) is installed in the threaded hole of the clamping block (701).

9. The radome positioning tool according to claim 1, characterized in that: The universal C-type clamp (8) is composed of a bracket (801), an elastic universal ball head (802), a screw (803), a star-shaped handle (804) and an elastic pin (805). One end of the screw (803) is screwed into the mounting hole of the star-shaped handle (804), and the connection is fixed by the elastic pin (805). The rod body of the screw (803) is installed in the threaded hole at one end of the bracket (801), and the elastic universal ball head (802) is installed in the threaded hole at the other end of the screw (803) and the threaded hole at the other end of the bracket (801).

10. The radome positioning tool according to claim 1, characterized in that: The measuring block assembly (9) is composed of a handheld block (901), a dial indicator (902), a measuring positioning pin (903), and a second set screw (904); the dial indicator (902) is mounted on the handheld block (901) via the second set screw (904); and a measuring positioning pin (903) is mounted below the handheld block (901); The zeroing block assembly (10) is composed of a fifth support (1001), a zeroing block (1002) and a third fixing screw (1003); the fifth support (1001) is mounted on a mounting seat of the platform assembly (1) by means of screws, spring washers and fixing pins; the zeroing block (1002) is mounted in a hole of the fifth support (1001), and the connection is fixed by means of a third fixing screw (1003).

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