Bracket device for disassembling and assembling observing and aiming system of helicopter

Abstract

The utility model discloses a bracket device for disassembling and assembling a helicopter observing and aiming system, belongs to the field of helicopter maintenance equipment, and aims to solve the problem that the helicopter observing and aiming system is extremely inconvenient to disassemble and assemble. Comprising a left bracket and a right bracket, the left bracket comprises a left supporting arm and a left holding arm, the left holding arm is connected with the front portion of the left supporting arm, the right side of the left holding arm is provided with an arc face matched with the periphery of a helicopter observing and aiming system, two through holes are formed in the upper portion and the lower portion of the front end of the left holding arm, two through holes are formed in the upper portion and the lower portion of the rear end of the left holding arm, and four butterfly screws are connected to the left holding arm through steel wire ropes. And the left bracket and the right bracket are symmetrically arranged. According to the bracket device for disassembly and assembly of the helicopter observation and aiming system, the disassembly and assembly of the helicopter observation and aiming system are grabbed and borne with the assistance of the trailer, the inconvenience that the helicopter observation and aiming system needs to be lifted manually with bare hands when the helicopter observation and aiming system is disassembled and assembled is solved, and the helicopter observation and aiming system is prevented from being broken.

Description

Technical Field

[0001] The utility model belongs to the field of helicopter maintenance equipment, and particularly relates to a bracket device for disassembling and assembling a helicopter sighting system. Background Technique

[0002] The sighting system is the "eyes" of a helicopter, mainly using television, laser, infrared, tracking equipment, etc. to search, aim, locate, range, and track targets. This system plays an increasingly important role in modern warfare, providing the helicopter with powerful battlefield awareness and precise strike capabilities.

[0003] The sighting system is an important part of the helicopter's precision guidance system and often needs to be maintained. When a fault occurs, it needs to be replaced or repaired, so it often needs to be disassembled and installed.

[0004] The sighting system is a cylinder with a spherical surface at the lower end. Its structure is not conducive to being grasped by hand and it weighs dozens of kilograms. Currently, during the disassembly and installation process, it is necessary for multiple people to lift the sighting system manually with joint efforts. Because the disassembly and installation process is long and the equipment is heavy, it brings great inconvenience to the disassembly and installation. The sighting system is extremely expensive, and the price of a single unit can reach several million yuan. Once damaged accidentally, the loss is serious. Content of the Utility Model

[0005] The purpose of the utility model is to provide a bracket device for disassembling and assembling a helicopter sighting system to solve the problem that it is extremely inconvenient to disassemble and assemble the helicopter sighting system. The technical solution adopted by the utility model is as follows:

[0006] It includes a left bracket, a right bracket, and a connecting platform;

[0007] The left bracket includes a left support arm and a left holding arm. The left holding arm is connected to the front of the left support arm. An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the right side of the left holding arm. Two through holes are respectively arranged vertically at the front end of the left holding arm, and two through holes are respectively arranged vertically at the rear end of the left holding arm. Four wing nuts are respectively connected to the left holding arm through steel wires. A first chute that penetrates backward is provided on the right side of the rear part of the left support arm. A first pin hole and a second pin hole are respectively machined front and rear on the upper side wall of the first chute;

[0008] The right bracket includes a right support arm and a right holding arm. The right holding arm is connected to the front of the right support arm. An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the left side of the right holding arm. Two through holes are respectively arranged vertically at the front end of the right holding arm, and two through holes are respectively arranged vertically at the rear end of the right holding arm. Four wing nuts are respectively connected to the right holding arm through steel wires. A second chute that penetrates backward is provided on the left side of the rear part of the right support arm. A first pin hole and a second pin hole are respectively machined front and rear on the upper side wall of the second chute;

[0009] The connecting platform is a rectangular frame member. The connecting platform includes two long side frames and two short side frames that are sequentially connected end to end. The two long side frames are located on the left and right respectively. The front ends of the two long side frames are respectively inserted and mated or separated with the first sliding groove and the second sliding groove. When the connecting platform is respectively inserted and mated with the first sliding groove and the second sliding groove, quick-release pins are respectively inserted into the two first pin holes and the two second pin holes. The outer circumferences of the four quick-release pins respectively abut against the corresponding inner sides of the two long side frames, and the outer circumferences of the quick-release pins in the two first pin holes abut against the rear side of the front short side frame. The left holding arm and the right holding arm are clamped on the left and right sides of the helicopter sighting system or separated. When the left holding arm and the right holding arm are clamped on both sides of the helicopter sighting system, the through holes on the left holding arm and the right holding arm and the eight screw holes on the helicopter sighting system are correspondingly connected by butterfly screws.

[0010] Furthermore, anti-slip rubber pads are provided on the arc surfaces of the left holding arm and the right holding arm.

[0011] Furthermore, roller groups are provided on the upper and lower side walls of the first sliding groove and the second sliding groove. The roller group includes several rollers arranged at intervals from front to back. The axial direction of the rollers is set left and right, and the rollers are rotatably arranged on the corresponding side walls.

[0012] Furthermore, an adjusting rod is further included. Two guide posts are provided at the lower end of the left holding arm, and two guide holes are provided on the left support arm. The two guide posts and the two guide holes are correspondingly slidably mated. The upper part of the adjusting rod is a smooth rod part, and the lower part of the adjusting rod is a screw rod part. The smooth rod part is hinged to the left holding arm, and the screw rod part is threadedly mated with the left support arm. A handwheel is provided at the top end of the adjusting rod. The left bracket and the right bracket are symmetrically arranged. The right support arm and the right holding arm are also cooperated through the adjusting rod and the guide post.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The present utility model provides a bracket device for disassembling and assembling a helicopter sighting system. With the assistance of a towing vehicle, the bracket device grabs and bears the helicopter sighting system during disassembly and assembly, solves the inconvenience of manually lifting the helicopter sighting system when disassembling and assembling the helicopter sighting system, and avoids the helicopter sighting system from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a connection schematic diagram of the present utility model and the towing vehicle;

[0016] Figure 2 is an axonometric view of the present utility model removing the connecting platform;

[0017] Figure 3 is a top view of the present utility model removing the connecting platform;

[0018] Figure 4 is Figure 3 an enlarged view taken along line A-A of

[0019] Figure 5 is an axonometric view of the left bracket;

[0020] Figure 6 is an axonometric view of the right bracket;

[0021] Figure 7 is a top view of the connecting platform.

[0022] In the figure, 1. left bracket, 11. left support arm, 12. left clamping arm, 13. first chute, 14. first pin hole, 15. second pin hole, 2. right bracket, 21. right support arm, 22. right clamping arm, 23. second chute, 3. anti-slip rubber pad, 4. butterfly screw, 5. handle, 6. adjusting rod, 61. hand wheel, 62. smooth rod part, 63. screw rod part, 7. guide post, 8. connecting platform, 81. long border frame, 82. short border frame, 9. roller. Detailed implementation manners

[0023] To make the objectives, technical solutions and advantages of the present utility model clearer and more explicit, the present utility model will be described below through specific embodiments shown in the attached drawings. However, it should be understood that these descriptions are only exemplary and do not limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0024] The connections mentioned in the present utility model are divided into fixed connections and detachable connections. The fixed connection is an inseparable connection including but not limited to conventional fixed connection methods such as hemming connection, riveting connection, bonding connection and welding connection. The detachable connection includes but not limited to conventional disassembly methods such as bolt connection, snap connection, pin connection and hinge connection. When the specific connection method is not clearly defined, it is default that at least one connection method can be found among the existing connection methods to achieve this function, and those skilled in the art can select according to their needs. For example: welding connection is selected for the fixed connection, and bolt connection is selected for the detachable connection.

[0025] The following will further describe the present utility model in detail with reference to the attached drawings. The following embodiments are explanations of the present utility model, and the present utility model is not limited to the following embodiments.

[0026] Embodiment: As Figures 1 to 3 shown, a bracket device for disassembling and assembling a helicopter sighting system includes a left bracket 1, a right bracket 2 and a connecting platform 8;

[0027] The left bracket 1 includes a left support arm 11 and a left clamping arm 12. The left clamping arm 12 is connected to the front part of the left support arm 11. An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the right side of the left clamping arm 12. Two through holes are provided vertically at the front end of the left clamping arm 12, and two through holes are provided vertically at the rear end of the left clamping arm 12. Four wing nuts 4 are respectively connected to the left clamping arm 12 through steel wires. A first chute 13 penetrating backward is provided on the right side of the rear part of the left support arm 11. A first pin hole 14 and a second pin hole 15 are respectively machined front and back on the upper side wall of the first chute 13;

[0028] The right bracket 2 includes a right support arm 21 and a right clamping arm 22. The right clamping arm 22 is connected to the front part of the right support arm 21. An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the left side of the right clamping arm 22. Two through holes are provided vertically at the front end of the right clamping arm 22, and two through holes are provided vertically at the rear end of the right clamping arm 22. Four wing nuts 4 are respectively connected to the right clamping arm 22 through steel wires. A second chute 23 penetrating backward is provided on the left side of the rear part of the right support arm 21. A first pin hole 14 and a second pin hole 15 are respectively machined front and back on the upper side wall of the second chute 23;

[0029] The connecting platform 8 is a rectangular frame member. The connecting platform 8 includes two long side frames 81 and two short side frames 82 connected end to end in sequence. The two long side frames 81 are respectively located on the left and right sides. The front ends of the two long side frames 81 are respectively inserted into and mated with or separated from the first chute 13 and the second chute 23. When the connecting platform 8 is respectively inserted into and mated with the first chute 13 and the second chute 23, quick-release pins are respectively inserted into the two first pin holes 14 and the two second pin holes 15. The outer peripheries of the four quick-release pins respectively abut against the corresponding inner sides of the two long side frames 81, and the outer periphery of the quick-release pin in the two first pin holes 14 abuts against the rear side of the front short side frame 82. The left clamping arm 12 and the right clamping arm 22 clamp on the left and right sides of the helicopter sighting system or are separated. When the left clamping arm 12 and the right clamping arm 22 clamp on both sides of the helicopter sighting system, the through holes on the left clamping arm 12 and the right clamping arm 22 and the eight screw holes on the helicopter sighting system are correspondingly connected by wing nuts 4.

[0030] The tow truck is provided with a vehicle frame. Wheels are provided at the four corners of the vehicle frame. One end of the lifting frame is rotatably provided on the vehicle frame. The connecting platform 8 is provided at the other end of the lifting frame. A hydraulic cylinder and a hand pump are provided on the vehicle frame. The piston rod of the hydraulic cylinder drives the lifting frame to rotate. The tow truck is prior art and will not be elaborated here.

[0031] When disassembling the helicopter sighting system:

[0032] a. First, connect the left bracket 1 and the right bracket 2 to the helicopter sighting system through the wing nuts 4, so that the left bracket 1 and the right bracket 2 are clamped on both sides of the helicopter sighting system, and then push the tow truck under the helicopter sighting system;

[0033] b. Raise the connecting platform 8 so that the left and right sides at the front end of the connecting platform 8 are respectively aligned with the first sliding groove 13 and the second sliding groove 23. Push the trolley forward so that the front end of the connecting platform 8 is respectively inserted into the first sliding groove 13 and the second sliding groove 23, and insert the quick-release pin to lock the left support arm 11 and the right support arm 21 to the connecting platform 8 respectively;

[0034] c. Disconnect the connection between the helicopter sighting system and the helicopter fuselage, lower the connecting platform 8 so that the helicopter sighting system is out of the range of the helicopter fuselage, and tow the trolley away from the helicopter fuselage;

[0035] d. Transfer the helicopter sighting system to the maintenance site.

[0036] When installing the helicopter sighting system:

[0037] a1. Push the trolley carrying the helicopter sighting system under the installation point of the helicopter sighting system, raise the connecting platform 8, and connect the helicopter sighting system to the helicopter fuselage;

[0038] b1. After the connection between the helicopter sighting system and the fuselage is completed, pull out the quick-release pin between the left support arm 11 and the right support arm 21 and the connecting platform 8, disconnect the connection between the left support arm 11 and the right support arm 21 and the connecting platform 8, lower the connecting platform 8, move the trolley out of the fuselage range, and remove the left bracket 1 and the right bracket 2 from the helicopter sighting system for storage;

[0039] c1. Transfer the trolley to the parking point. If the left bracket 1 and the right bracket 2 are not used for a short time, put the left bracket 1 and the right bracket 2 back into the packing box.

[0040] The present utility model provides a bracket device for disassembling and assembling a helicopter sighting system. With the assistance of a trolley, the bracket device grabs and bears the disassembly and assembly of the helicopter sighting system, solves the inconvenience of manually lifting the helicopter sighting system when disassembling and assembling the helicopter sighting system, and avoids dropping and damaging the helicopter sighting system.

[0041] Handles 5 are provided on both the left holding arm 12 and the right holding arm 22.

[0042] Anti-slip rubber pads 3 are provided on the arc surfaces of the left holding arm 12 and the right holding arm 22.

[0043] Roller groups are provided on the upper and lower side walls of the first sliding groove 13 and the second sliding groove 23. The roller groups include a plurality of rollers 9 arranged at intervals from front to back. The axial direction of the rollers 9 is set left and right, and the rollers 9 are rotatably arranged on the corresponding side walls.

[0044] It further includes an adjusting rod 6. Two guide posts 7 are provided at the lower end of the left clamping arm 12, and two guide holes are provided on the left support arm 11. The two guide posts 7 and the two guide holes are in sliding fit in a one-to-one correspondence. The upper part of the adjusting rod 6 is a smooth rod part 62, and the lower part of the adjusting rod 6 is a screw rod part 63. The smooth rod part 62 is hinged to the left clamping arm 12, and the screw rod part 63 is in threaded fit with the left support arm 11. A hand wheel 61 is provided at the top end of the adjusting rod 6. The hand wheel 61 controls the rotation of the adjusting rod 6. The adjusting rod 6 is used to finely adjust the height distance between the left clamping arm 12 and the left support arm 11 to facilitate the disassembly and assembly of the helicopter sighting system. The left bracket 1 and the right bracket 2 are symmetrically arranged. The right support arm 21 and the right clamping arm 22 are also cooperated through the adjusting rod 6 and the guide post 7. When disassembling the helicopter sighting system, when the connecting platform 8 approaches the left bracket 1 and the right bracket 2, stop jacking up the connecting platform 8, and synchronously rotate the height fine-tuning hand wheels 61 on the left bracket 1 and the right bracket 2 for height fine-tuning to facilitate the alignment of the left support arm 11 and the right support arm 21 with the sliding groove of the connecting platform 8; when installing the helicopter sighting system, when the helicopter sighting system is about to approach the installation point, reduce the jacking speed of the connecting platform 8, and synchronously rotate the two hand wheels 61 to finely adjust the height of the left clamping arm 12 and the right clamping arm 22 to facilitate the alignment of the helicopter sighting system with the mounting hole positions on the fuselage. After alignment, connect the helicopter sighting system to the fuselage.

[0045] The above embodiments are only exemplary descriptions of the present invention and do not limit its protection scope. Those skilled in the art can also make partial changes to it. As long as it does not exceed the spiritual essence of the present invention, it is within the protection scope of the present invention.

Claims

1. A bracket device for disassembly and assembly of a helicopter observation and aiming system, characterized in that: It includes a left bracket (1), a right bracket (2) and a connecting platform (8); The left bracket (1) includes a left support arm (11) and a left clamping arm (12). The left clamping arm (12) is connected to the front part of the left support arm (11). An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the right side of the left clamping arm (12). Two through holes are provided vertically at the front end of the left clamping arm (12), and two through holes are provided vertically at the rear end of the left clamping arm (12). Four wing nuts (4) are respectively connected to the left clamping arm (12) through steel wire ropes. A first sliding groove (13) penetrating backward is provided on the right side of the rear part of the left support arm (11). A first pin hole (14) and a second pin hole (15) are respectively machined front and back on the upper side wall of the first sliding groove (13); The right bracket (2) includes a right support arm (21) and a right clamping arm (22). The right clamping arm (22) is connected to the front part of the right support arm (21). An arc surface adapted to the outer periphery of the helicopter sighting system is provided on the left side of the right clamping arm (22). Two through holes are provided vertically at the front end of the right clamping arm (22), and two through holes are provided vertically at the rear end of the right clamping arm (22). Four wing nuts (4) are respectively connected to the right clamping arm (22) through steel wire ropes. A second sliding groove (23) penetrating backward is provided on the left side of the rear part of the right support arm (21). A first pin hole (14) and a second pin hole (15) are respectively machined front and back on the upper side wall of the second sliding groove (23); The connecting platform (8) is a rectangular frame member. The connecting platform (8) includes two long side frames (81) and two short side frames (82) connected end to end in sequence. The two long side frames (81) are respectively located on the left and right sides. The front ends of the two long side frames (81) are respectively in plug-in fit or separation with the first sliding groove (13) and the second sliding groove (23). When the connecting platform (8) is in plug-in fit with the first sliding groove (13) and the second sliding groove (23) respectively, quick-release pins are respectively inserted into the two first pin holes (14) and the two second pin holes (15). The outer peripheries of the four quick-release pins respectively abut against the corresponding inner sides of the two long side frames (81), and the outer periphery of the quick-release pin in the two first pin holes (14) abuts against the rear side of the front short side frame (82). The left clamping arm (12) and the right clamping arm (22) clamp on the left and right sides of the helicopter sighting system or are separated. When the left clamping arm (12) and the right clamping arm (22) clamp on both sides of the helicopter sighting system, the through holes on the left clamping arm (12) and the right clamping arm (22) are in one-to-one correspondence with eight screw holes on the helicopter sighting system and are connected through wing nuts (4).

2. The bracket device for disassembly and assembly of a helicopter observation and aiming system according to claim 1, characterized in that: Anti-slip rubber pads (3) are provided on the arc surfaces of the left clamping arm (12) and the right clamping arm (22).

3. The bracket device for disassembly and assembly of a helicopter observation and aiming system according to claim 1, characterized in that: Roller groups are provided on the upper and lower side walls of the first sliding groove (13) and the second sliding groove (23). The roller groups include a number of rollers (9) arranged at intervals from front to back. The axial direction of the rollers (9) is set left and right, and the rollers (9) are rotatably arranged on the corresponding side walls.

4. A bracket device for disassembly and assembly of a helicopter observation and aiming system according to any one of claims 1-3, characterized in that: It further includes an adjusting rod (6). Two guide posts (7) are provided at the lower end of the left clamping arm (12). Two guide holes are provided on the left support arm (11). The two guide posts (7) and the two guide holes are in sliding fit in a one-to-one correspondence. The upper part of the adjusting rod (6) is a smooth rod part (62), and the lower part of the adjusting rod (6) is a screw rod part (63). The smooth rod part (62) is hinged to the left clamping arm (12), and the screw rod part (63) is in threaded fit with the left support arm (11). A hand wheel (61) is provided at the top of the adjusting rod (6). The left bracket (1) and the right bracket (2) are symmetrically arranged. The right support arm (21) and the right clamping arm (22) are also cooperated through the adjusting rod (6) and the guide post (7).

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