Auxiliary tool for disassembling and assembling aircraft starter

Abstract

An auxiliary tool for disassembly and assembly of an aircraft starter relates to the field of aircraft maintenance tools and is characterized in that after the whole auxiliary tool is moved to a construction position, a fixing mechanism I is fixed to a cylindrical part at the front end of the starter, a fixing mechanism II is fixed to a cylindrical part at the rear end of the starter, and then a longitudinal moving mechanism drives a support to adjust the height; the fixing mechanism I is fixed to the support through the detachable mechanism I, the fixing mechanism II is fixed to the support through the detachable mechanism II, and after fixing bolts of the starter and the engine are detached, the support horizontally moves outwards under guiding of the guide rail, so that smooth and slow detaching of the starter and the gear shaft key of the engine can be achieved. Damage to the connecting key shaft of the starter is avoided, and the mounting and dismounting efficiency of the starter is improved.

Description

Technical Field

[0001] The utility model relates to the field of aircraft maintenance tools, in particular to an auxiliary tool used for disassembling and assembling an aircraft starter. Background Art

[0002] The starter is located at the core of the aircraft engine and is installed and fixed close to the engine casing. Since the starter itself and the environment it is in are both high-frequency vibration and hot and cold alternating fusion areas, the starter and engine need to be maintained regularly. The starter maintenance requires it to be dismantled. The starter is heavy, and the starter and engine body are connected by a gear shaft key. The removal and installation process requires smooth and slow translation removal and installation. However, since the starter is installed close to the engine casing and the operating space is small, it is very difficult for the staff to ensure "smooth" movement during the removal and installation process. In addition, due to its heavy weight, it is very difficult for the staff to continue to maintain the installation and removal state, and it is easy to cause damage to the starter gear shaft key. Summary of the invention

[0003] In order to overcome the deficiencies of the above technologies, the utility model provides a tooling which avoids damage to the starter due to difficulties in removal and installation, saves working time and improves working efficiency.

[0004] The technical solution adopted by the utility model to overcome the technical problems is:

[0005] An auxiliary tool for disassembling and assembling an aircraft starter, comprising:

[0006] A base, the upper end of which is provided with a support plate, a guide rail is horizontally provided on the support plate in the left and right directions, and a slider is slidably installed on the guide rail;

[0007] A longitudinal movement mechanism is arranged on the base and is used to drive the support plate to move up and down;

[0008] A bracket, mounted on the support plate;

[0009] A support rod I is horizontally arranged along the front-rear direction, the rear end of the support rod I is fixed to the bracket through a detachable mechanism I, the front end of the support rod I is provided with a fixing mechanism I, and the fixing mechanism I is fixed to the cylindrical part of the front end of the starter; and

[0010] The support rod II is horizontally arranged along the front-rear direction, the rear end of the support rod II is fixed to the bracket through a detachable mechanism II, and the front end of the support rod II is provided with a fixing mechanism II, which is fixed to the cylindrical part of the rear end of the starter.

[0011] Furthermore, the above-mentioned longitudinal movement mechanism includes four oil cylinders respectively installed on the base, the axes of the oil cylinders are arranged in the vertical direction, the four oil cylinders are arranged in a rectangular shape, the piston rod head ends of the oil cylinders are provided with ball heads, and four ball grooves are correspondingly provided at the lower end of the support plate, and the ball heads at the piston rod head ends of the oil cylinders are embedded in the corresponding ball grooves.

[0012] Furthermore, the above-mentioned detachable mechanism I includes: an insertion hole I horizontally arranged on the bracket along the front-to-back direction, a locking hole I arranged on the bracket along the vertical direction, and a locking hole III arranged at the rear end of the support rod I. When the rear end of the support rod I is inserted into the insertion hole I, the locking hole I coincides with the locking hole III, and the pin I is inserted into the locking hole I and the locking hole III in sequence.

[0013] Further, the fixing mechanism I comprises a threaded head I arranged at the head end of the support rod I, a semicircular locking ring I and a semicircular locking ring II, a convex head I is arranged at the rear end of the locking ring I, a screw hole I is arranged at the convex head I in the horizontal direction, a groove I is arranged at the rear end of the locking ring II, a through hole I is arranged at the groove I in the horizontal direction, a groove II is arranged at the front end of the locking ring I, a through hole II is arranged on one side of the groove II in the horizontal direction, and a screw hole coaxial with the through hole II is arranged on the other side Ⅱ, a convex head Ⅱ is arranged at the front end of the locking ring Ⅱ, a through hole Ⅲ is arranged at the convex head Ⅱ in the horizontal direction, a rubber ring Ⅰ is mounted on the cylindrical part of the front end of the starter, the convex head Ⅰ of the locking ring Ⅰ is inserted into the groove Ⅰ of the locking ring Ⅱ, the convex head Ⅱ of the locking ring Ⅱ is inserted into the groove Ⅱ of the locking ring Ⅰ, the locking ring Ⅰ and the locking ring Ⅱ form a circular ring structure fixed on the outside of the rubber ring Ⅰ, the threaded head Ⅰ passes through the through hole Ⅰ and is screwed into the screw hole Ⅰ, the bolt Ⅰ passes through the through hole Ⅱ and the through hole Ⅲ in turn and is screwed into the screw hole Ⅱ.

[0014] Furthermore, the above-mentioned detachable mechanism II includes: an insertion hole II horizontally arranged on the bracket along the front-to-back direction, a locking hole II arranged on the bracket along the vertical direction, and a locking hole IV arranged at the rear end of the support rod II. When the rear end of the support rod II is inserted into the insertion hole II, the locking hole II coincides with the locking hole IV, and the pin II is inserted into the locking hole II and the locking hole IV in sequence.

[0015] Further, the fixing mechanism II includes a threaded head II arranged at the head end of the support rod II, a semicircular locking ring III and a semicircular locking ring IV, a convex head III is arranged at the rear end of the locking ring, a screw hole III is arranged at the convex head III in the horizontal direction, a groove III is arranged at the rear end of the locking ring IV, a through hole IV is arranged at the groove III in the horizontal direction, a groove IV is arranged at the front end of the locking ring III, a through hole V is arranged on one side of the groove IV in the horizontal direction, and a screw hole IV coaxial with the through hole V is arranged on the other side A convex head IV is provided at the front end of the locking ring IV, and a through hole VI is provided at the convex head IV in the horizontal direction. A rubber ring II is mounted on the cylindrical part of the rear end of the starter. The convex head III of the locking ring III is inserted into the groove III of the locking ring IV. The convex head IV of the locking ring IV is inserted into the groove IV of the locking ring III. The locking ring III and the locking ring IV form a circular ring structure fixed on the outside of the rubber ring II. The threaded head II passes through the through hole IV and is screwed into the screw hole III. The bolt II passes through the through hole V and the through hole VI in sequence and is screwed into the screw hole IV.

[0016] In order to facilitate movement, universal wheels are respectively installed at the four corners of the lower end of the base.

[0017] For easy operation, a handrail is also included which is mounted on the rear end of the base.

[0018] In order to prevent the base from moving freely, it also includes a sleeve installed on the base and a screw screwed in the sleeve, the axis of the screw is arranged in the vertical direction, a locking block is arranged at the lower end of the screw, and an operating rod is horizontally installed at the upper end of the screw.

[0019] In order to limit the position of the bracket, it also includes baffles respectively arranged at the left and right ends of the guide rail, and the lower ends of the baffles are fixed to the support plate.

[0020] The beneficial effects of the utility model are as follows: after the entire auxiliary tooling is moved to the construction position, the fixing mechanism I is fixed to the cylindrical part of the front end of the starter, and the fixing mechanism II is fixed to the cylindrical part of the rear end of the starter, and then the bracket is driven to adjust the height through the longitudinal movement mechanism, and the fixing mechanism I is fixed to the bracket through the detachable mechanism I, and the fixing mechanism II is fixed to the bracket through the detachable mechanism II, and after the fixing bolts of the starter and the engine are removed, the bracket is moved horizontally outward under the guidance of the guide rail, and the starter can be smoothly and slowly removed from the engine gear shaft key. The damage to the starter connection key shaft is avoided, and the installation and removal efficiency of the starter is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0022] Figure 2 It is a three-dimensional structural explosion diagram of the base part of the utility model;

[0023] Figure 3The three-dimensional structure explosion of the support part of the utility model Figure I ;

[0024] Figure 4 The three-dimensional structure explosion of the support part of the utility model Figure II ;

[0025] Figure 5 It is a three-dimensional structural exploded diagram of the fixing mechanism I of the utility model;

[0026] Figure 6 It is a three-dimensional structural exploded diagram of the fixing mechanism II of the utility model;

[0027] In the figure, 1. base 2. handrail 3. universal wheel 4. sleeve 5. screw 6. locking block 7. operating rod 8. cylinder 9. support plate 10. slider 11. guide rail 12. baffle 13. bracket 14. support rod I 15. support rod II 16. fixing mechanism I 17. fixing mechanism II 18. latch I 19. latch II 20. ball head 21. starter 22. threaded head I 23. threaded head II 24. socket I 25. socket II 26. locking hole I 27. locking hole II 28. locking hole III 29. locking hole IV 161. locking ring I 162. locking ring II 163. rubber ring I 164. convex head I 165. screw hole I 166. groove I 167. through hole I 168. groove II 169. screw hole II 1610. Through hole II 1611. Protruding head II 1612. Through hole III 1613. Bolt I 171. Locking ring III 172. Locking ring IV 173. Rubber ring II 174. Protruding head III 175. Screw hole III 176. Groove III 177. Through hole IV 178. Groove IV 179. Screw hole IV 1710. Through hole V 1711. Protruding head IV 1712. Through hole VI 1713. Bolt II. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1 To Attachment Figure 6 The utility model is further described.

[0029] An auxiliary tooling for disassembling and assembling an aircraft starter comprises: a base 1 having a support plate 9 disposed at its upper end, a guide rail 11 disposed horizontally on the support plate 9 in the left-right direction, and a slider 10 slidably mounted on the guide rail 11; a longitudinal movement mechanism disposed on the base 1 and used to drive the support plate 9 to move up and down; a bracket 13 mounted on the support plate 9; a support rod I 14 disposed horizontally in the front-to-back direction, a rear end of the support rod I 14 being fixed to the bracket 13 by a detachable mechanism I, a front end of the support rod I 14 being provided with a fixing mechanism I 16, and the fixing mechanism I 16 being fixed to a cylindrical portion of a front end of a starter 21; and a support rod II 15 disposed horizontally in the front-to-back direction, a rear end of the support rod II 15 being fixed to the bracket 13 by a detachable mechanism II, a front end of the support rod II 15 being provided with a fixing mechanism II 17, and the fixing mechanism II 17 being fixed to a cylindrical portion of a rear end of the starter 21. When the starter 21 of the aircraft needs to be removed, the entire auxiliary tooling is moved to the construction position, and the fixing mechanism I 16 is fixed to the cylindrical part of the front end of the starter 21, and the fixing mechanism II 17 is fixed to the cylindrical part of the rear end of the starter 21. Then, the bracket 13 is driven to adjust the height through the longitudinal movement mechanism, and the fixing mechanism I 16 is fixed to the bracket 13 through the detachable mechanism I, and the fixing mechanism II 17 is fixed to the bracket 13 through the detachable mechanism II. After removing the fixing bolts between the starter 21 and the engine, the bracket 13 is moved horizontally outward under the guidance of the guide rail 11, and the starter 21 can be smoothly and slowly removed from the engine gear shaft key. After that, the detachable mechanism I can be used to separate the fixing mechanism I from the bracket 13, and the detachable mechanism II can be used to separate the fixing mechanism II 17 from the bracket 13. With the assistance of the lifting device, the starter 21 can be removed, avoiding damage to the key shaft of the starter 21 and improving the installation and removal efficiency of the starter 21.

[0030] The installation process of the starter 21 is the reverse process of the disassembly process, which will not be described in detail here.

[0031] In one embodiment of the utility model, the longitudinal movement mechanism includes four oil cylinders 8 respectively installed on the base 1, the axis of the oil cylinder 8 is arranged in the vertical direction, the four oil cylinders 8 are arranged in a rectangular shape, the piston rod head of the oil cylinder 8 is provided with a ball head 20, and the lower end of the support plate 9 is correspondingly provided with four ball grooves, and the ball head 20 at the piston rod head of the oil cylinder 8 is embedded in the corresponding ball groove. The piston rod of the oil cylinder 8 extends outward, which pushes the support plate 9 to move upward, and the piston rod of the oil cylinder 8 retracts inward. Under the action of gravity, the support plate 9 moves downward. Since the ball head 20 is provided at the piston rod head of the oil cylinder 8, four oil cylinders 8 are provided at the same time, so according to the extension length of the piston rods of the four oil cylinders 8, the level of the support plate 9 can be adjusted according to the inclination angle of the ground, ensuring that the fixing mechanism I 16 and the fixing mechanism II 17 can be fixed on the starter 21.

[0032] In one embodiment of the utility model, the detachable mechanism I includes: a plug hole I 24 horizontally arranged on the bracket 13 along the front-back direction, a locking hole I 26 arranged on the bracket 13 along the vertical direction, and a locking hole III 28 arranged at the rear end of the support rod I 14. When the rear end of the support rod I 14 is inserted into the plug hole I 24, the locking hole I 26 coincides with the locking hole III 28, and the latch I 18 is inserted into the locking hole I 26 and the locking hole III 28 in sequence. After the fixing mechanism I 16 is fixed to the cylindrical part of the front end of the starter 21, the support rod I 14 is inserted into the plug hole I 24 and then the latch I 18 is inserted to lock it. The support rod I 14 is detachably connected to the bracket 13 by the latch I 18, which is easy to operate.

[0033] In one embodiment of the utility model, the fixing mechanism Ⅰ 16 includes a threaded head Ⅰ 22 arranged at the head end of the support rod Ⅰ 14, a semicircular locking ring Ⅰ 161 and a semicircular locking ring Ⅱ 162, the rear end of the locking ring Ⅰ 161 is provided with a convex head Ⅰ 164, and a screw hole Ⅰ 165 is arranged at the convex head Ⅰ 164 along the horizontal direction, the rear end of the locking ring Ⅱ 162 is provided with a groove Ⅰ 166, and a through hole Ⅰ 167 is arranged at the groove Ⅰ 166 along the horizontal direction, the front end of the locking ring Ⅰ 161 is provided with a groove Ⅱ 168, one side of the groove Ⅱ 168 is provided with a through hole Ⅱ 1610 along the horizontal direction, and the other side thereof is provided with a screw hole Ⅱ 169 coaxial with the through hole Ⅱ 1610, the front end of the locking ring Ⅱ 162 is provided with a convex head Ⅱ 1611, and a through hole Ⅲ is arranged at the convex head Ⅱ 1611 along the horizontal direction 1612, a rubber ring Ⅰ 163 is mounted on the cylindrical portion of the front end of the starter 21, the protrusion Ⅰ 164 of the locking ring Ⅰ 161 is inserted into the groove Ⅰ 166 of the locking ring Ⅱ 162, the protrusion Ⅱ 1611 of the locking ring Ⅱ 162 is inserted into the groove Ⅱ 168 of the locking ring Ⅰ 161, the locking ring Ⅰ 161 and the locking ring Ⅱ 162 form a circular ring structure fixed to the outside of the rubber ring Ⅰ 163, the threaded head Ⅰ 22 passes through the through hole Ⅰ 167 and is screwed into the screw hole Ⅰ 165, the bolt Ⅰ 1613 passes through the through hole Ⅱ 1610 and the through hole Ⅲ 1612 in sequence and is screwed into the screw hole Ⅱ 169. The locking ring I 161 and the locking ring II 162 are used as clamps to be installed on the cylindrical part of the front end of the starter 21. The installation and disassembly are simple. After the locking ring I 161 and the locking ring II 162 are fixed to the cylindrical part of the front end of the starter 21, they are screwed into the threaded head I 22 of the support rod I 14 to achieve the connection and fixation with the support rod I 14.

[0034] In one embodiment of the utility model, the detachable mechanism II includes: a plug hole II 25 horizontally arranged on the bracket 13 along the front-back direction, a locking hole II 27 arranged on the bracket 13 along the vertical direction, and a locking hole IV 29 arranged at the rear end of the support rod II 15. When the rear end of the support rod II 15 is inserted into the plug hole II 25, the locking hole II 27 coincides with the locking hole IV 29, and the latch II 19 is sequentially inserted into the locking hole II 27 and the locking hole IV 29. After the fixing mechanism II 17 is fixed to the cylindrical part of the front end of the starter 21, the support rod II 15 is inserted into the plug hole II 25 and then the latch II 19 is inserted to lock it. The support rod II 15 is detachably connected to the bracket 13 by the latch II 19, which is easy to operate.

[0035] In one embodiment of the utility model, the fixing mechanism II 17 includes a threaded head II 23 arranged at the head end of the support rod II 15, a semicircular locking ring III 171 and a semicircular locking ring IV 172, a convex head III 174 is arranged at the rear end of the locking ring 171, a screw hole III 175 is arranged at the convex head III 174 along the horizontal direction, a groove III 176 is arranged at the rear end of the locking ring IV 172, a through hole IV 177 is arranged at the groove III 176 along the horizontal direction, a groove IV 178 is arranged at the front end of the locking ring III 171, a through hole V 1710 is arranged on one side of the groove IV 178 along the horizontal direction, and a screw hole IV 179 coaxial with the through hole V 1710 is arranged on the other side, a convex head IV 1711 is arranged at the front end of the locking ring IV 172, and a through hole VI is arranged at the convex head IV 1711 along the horizontal direction. 1712, a rubber ring II 173 is mounted on the cylindrical portion of the rear end of the starter 21, a convex head III 174 of the locking ring III 171 is inserted into a groove III 176 of the locking ring IV 172, a convex head IV 1711 of the locking ring IV 172 is inserted into a groove IV 178 of the locking ring III 171, the locking ring III 171 and the locking ring IV 172 form a circular ring structure fixed to the outside of the rubber ring II 173, the threaded head II 23 passes through the through hole IV 177 and is screwed into the screw hole III 175, the bolt II 1713 passes through the through hole V 1710 and the through hole VI 1712 in sequence and is screwed into the screw hole IV 179. The locking ring III 171 and the locking ring IV 172 are used as clamps to be installed on the cylindrical part of the rear end of the starter 21. The installation and disassembly are simple. After the locking ring III 171 and the locking ring IV 172 are fixed to the cylindrical part of the rear end of the starter 21, they are screwed into the threaded head II 23 of the support rod II 15 to achieve the connection and fixation with the support rod II 15.

[0036] In one embodiment of the utility model, universal wheels 3 are respectively installed at the four corners of the lower end of the base 1. A handrail 2 is also installed at the rear end of the base 1. By providing the universal wheels 3, the entire auxiliary tooling can be conveniently driven to move to the construction position, which improves the convenience of operation. When the auxiliary tooling needs to be moved, the handrail 2 can be used for operation, which further improves the convenience of operation.

[0037] In one embodiment of the utility model, it also includes a sleeve 4 installed on the base 1 and a screw 5 screwed into the sleeve 4, the axis of the screw 5 is arranged in the vertical direction, the lower end of the screw 5 is provided with a locking block 6, and the upper end of the screw 5 is horizontally installed with an operating rod 7. When the base 1 is moved into place, the screw 5 is driven to rotate by the operating rod 7, and while the screw 5 rotates, it moves up and down axially relative to the sleeve 4, and finally makes the locking block 6 contact with the ground, and the static friction between the locking block 6 and the ground is used to achieve the locking and fixing of the entire auxiliary tooling, so as to prevent it from moving freely when the starter 21 is disassembled and assembled.

[0038] In one embodiment of the utility model, baffles 12 are respectively arranged at the left and right ends of the guide rail 11, and the lower ends of the baffles 12 are fixed to the support plate 9. By arranging baffles 12 at both ends of the guide rail 11, the bracket 13 can be prevented from sliding off the guide rail 11, thereby improving the reliability of use.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An auxiliary tool for disassembling and assembling an aircraft starter, characterized in that: include: A base (1) is provided with a support plate (9) at its upper end, a guide rail (11) is horizontally provided on the support plate (9) in the left-right direction, and a slider (10) is slidably mounted on the guide rail (11); A longitudinal movement mechanism, arranged on the base (1) and used for driving the support plate (9) to move up and down; A bracket (13) mounted on the support plate (9); A support rod I (14) is horizontally arranged along the front-rear direction, the rear end of the support rod I (14) is fixed to the bracket (13) via a detachable mechanism I, the front end of the support rod I (14) is provided with a fixing mechanism I (16), and the fixing mechanism I (16) is fixed to the cylindrical portion of the front end of the starter (21); and A support rod II (15) is horizontally arranged along the front-rear direction, the rear end of the support rod II (15) is fixed to the bracket (13) via a detachable mechanism II, and a fixing mechanism II (17) is arranged at the front end of the support rod II (15), and the fixing mechanism II (17) is fixed to the cylindrical part of the rear end of the starter (21).

2. The auxiliary tooling for disassembling and assembling an aircraft starter according to claim 1, characterized in that: The longitudinal movement mechanism comprises four oil cylinders (8) respectively mounted on the base (1), the axes of the oil cylinders (8) being arranged in a vertical direction, the four oil cylinders (8) being arranged in a rectangular manner, the piston rod heads of the oil cylinders (8) being provided with ball heads (20), the lower end of the support plate (9) being correspondingly provided with four ball grooves, and the ball heads (20) at the piston rod heads of the oil cylinders (8) being embedded in the corresponding ball grooves.

3. The auxiliary tooling for disassembling and assembling an aircraft starter according to claim 1, characterized in that: The detachable mechanism I comprises: an insertion hole I (24) horizontally arranged on the bracket (13) along the front-back direction, a locking hole I (26) arranged on the bracket (13) along the vertical direction, and a locking hole III (28) arranged at the rear end of the support rod I (14); when the rear end of the support rod I (14) is inserted into the insertion hole I (24), the locking hole I (26) and the locking hole III (28) are overlapped, and the latch pin I (18) is inserted into the locking hole I (26) and the locking hole III (28) in sequence.

4. The auxiliary tooling for disassembling and assembling an aircraft starter according to claim 1, characterized in that: The fixing mechanism I (16) comprises a threaded head I (22) arranged at the head end of the support rod I (14), a semicircular locking ring I (161) and a semicircular locking ring II (162), the rear end of the locking ring I (161) is provided with a convex head I (164), a screw hole I (165) is arranged in the horizontal direction at the convex head I (164), the rear end of the locking ring II (162) is provided with a groove I (166), a through hole I (167) is arranged in the horizontal direction at the groove I (166), the front end of the locking ring I (161) is provided with a groove II (168), a through hole II (1610) is arranged in the horizontal direction on one side of the groove II (168), and a screw hole II (169) coaxial with the through hole II (1610) is arranged on the other side, and the front end of the locking ring II (162) is provided with a convex head I (164). The convex head II (1611) is provided with a through hole III (1612) in the horizontal direction. The cylindrical part of the front end of the starter (21) is provided with a rubber ring I (163). The convex head I (164) of the locking ring I (161) is inserted into the groove I (166) of the locking ring II (162). The convex head II (1611) of the locking ring II (162) is inserted into the groove II (168) of the locking ring I (161). The locking ring I (161) and the locking ring II (162) form a circular ring structure fixed to the outer side of the rubber ring I (163). The threaded head I (22) passes through the through hole I (167) and is screwed into the screw hole I (165). The bolt I (1613) passes through the through hole II (1610) and the through hole III (1612) in sequence and is screwed into the screw hole II (169).

5. The auxiliary tool for disassembling and assembling an aircraft starter according to claim 1, characterized in that: The detachable mechanism II comprises: an insertion hole II (25) horizontally arranged on the bracket (13) along the front-back direction, a locking hole II (27) arranged on the bracket (13) along the vertical direction, and a locking hole IV (29) arranged at the rear end of the support rod II (15); when the rear end of the support rod II (15) is inserted into the insertion hole II (25), the locking hole II (27) and the locking hole IV (29) are overlapped, and the latch II (19) is inserted into the locking hole II (27) and the locking hole IV (29) in sequence.

6. The auxiliary tooling for disassembling and assembling an aircraft starter according to claim 1, characterized in that: The fixing mechanism II (17) comprises a threaded head II (23) arranged at the head end of the support rod II (15), a semicircular locking ring III (171) and a semicircular locking ring IV (172); a convex head III (174) is arranged at the rear end of the locking ring (171); a screw hole III (175) is arranged at the convex head III (174) in the horizontal direction; a groove III (176) is arranged at the rear end of the locking ring IV (172); a through hole IV (177) is arranged at the groove III (176) in the horizontal direction; a groove IV (178) is arranged at the front end of the locking ring III (171); a through hole V (1710) is arranged on one side of the groove IV (178) in the horizontal direction; a screw hole IV (179) is arranged on the same axis as the through hole V (1710) on the other side; a convex head is arranged at the front end of the locking ring IV (172); Ⅳ (1711), a through hole VI (1712) is arranged at the convex head IV (1711) in the horizontal direction, a rubber ring II (173) is sleeved on the cylindrical part of the rear end of the starter (21), the convex head III (174) of the locking ring III (171) is inserted into the groove III (176) of the locking ring IV (172), the convex head IV (1711) of the locking ring IV (172) is inserted into the groove IV (178) of the locking ring III (171), the locking ring III (171) and the locking ring IV (172) form a circular ring structure fixed to the outer side of the rubber ring II (173), the threaded head II (23) passes through the through hole IV (177) and then is screwed into the screw hole III (175), the bolt II (1713) passes through the through hole V (1710) and the through hole VI (1712) in sequence and then is screwed into the screw hole IV (179).

7. The auxiliary tool for disassembling and assembling an aircraft starter according to claim 1, characterized in that: Universal wheels (3) are respectively installed at the four corners of the lower end of the base (1).

8. The auxiliary tool for disassembling and assembling an aircraft starter according to claim 7, characterized in that: It also includes a handrail (2) installed at the rear end of the base (1).

9. The auxiliary tool for disassembling and assembling an aircraft starter according to claim 7, characterized in that: It also includes a sleeve (4) mounted on the base (1) and a screw (5) screwed into the sleeve (4), wherein the axis of the screw (5) is arranged in a vertical direction, a locking block (6) is arranged at the lower end of the screw (5), and an operating rod (7) is horizontally mounted at the upper end of the screw (5).

10. The auxiliary tool for disassembling and assembling an aircraft starter according to claim 1, characterized in that: It also includes baffles (12) respectively arranged at the left and right ends of the guide rail (11), and the lower ends of the baffles (12) are fixed on the support plate (9).

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