Practical training platform for disassembling gearbox of helicopter

Abstract

The utility model discloses a helicopter gearbox disassembly practical training platform, which comprises a disassembly practical training platform, a helicopter gearbox is detachably installed at the top end of the disassembly practical training platform, a fixing ring is fixed on the outer side of the disassembly practical training platform, the bottom of the fixing ring is slidably clamped with more than one suspension sliding plate, and the suspension sliding plate is connected with the helicopter gearbox. A connecting ball is fixed to the bottom end of the hanging sliding plate, an adjusting supporting rod is rotationally connected to the outer side of the bottom of the connecting ball, a storage groove is formed in the surface, facing the disassembling practical training platform, of the adjusting supporting rod, a rotary limiting rod is clamped to the inner side of the storage groove, and a short shaft is inserted into the bottom end of the rotary limiting rod in a penetrating mode. A triangular structure is formed by the adjusting screw rod, the adjusting supporting rod, the disassembling practical training platform and the ground support, the stability of the center of the disassembling practical training platform after the helicopter gear box is installed on the disassembling practical training platform is guaranteed, the disassembling practical training platform is prevented from toppling over, and the personal safety of workers is guaranteed when the helicopter gear box is disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to helicopter gear box disassembly practical training platform technical field, concretely is helicopter gear box disassembly practical training platform. BACKGROUND

[0002] The helicopter gear box is a kind of mechanical transmission device, mainly used to transmit power and adjust rotating speed, it is combined by multiple gears, each gear has different size and shape to realize specific transmission ratio and function, the main functions of helicopter gear box include the following aspects: transmit power, change rotating speed, change direction, free rotation, the structure of helicopter gear box usually includes the following parts: power output device, main reducer, tail transmission shaft and intermediate reducer.

[0003] Helicopter gear box needs to be placed on disassembly practical training platform when disassembling, then staff disassembles helicopter gear box on disassembly practical training platform, and disassembly practical training platform is auxiliary equipment when disassembling.

[0004] However, the disassembly practical training platform of helicopter gear box is upright, the center of helicopter gear box is unstable after being connected with disassembly practical training platform, which leads to the risk of falling of helicopter gear box disassembly practical training platform, therefore, it does not meet the existing demand, and for this, we propose a helicopter gear box disassembly practical training platform. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing helicopter gear box disassembly practical training platform to solve the upright mode of helicopter gear box disassembly practical training platform in the background art, the center of helicopter gear box is unstable after being connected with disassembly practical training platform, which leads to the risk of falling of helicopter gear box disassembly practical training platform and other problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: helicopter gear box disassembly practical training platform, including disassembly practical training platform, the top of disassembly practical training platform is detachably installed with helicopter gear box, the outer side of disassembly practical training platform is fixed with fixed ring, the bottom of fixed ring is slidably connected with suspension slide plate, the number of suspension slide plate is greater than one, the bottom of suspension slide plate is fixed with connecting ball, the bottom outer side of connecting ball is rotatably connected with adjusting support rod, the surface of adjusting support rod towards disassembly practical training platform is equipped with receiving groove, the inner side of receiving groove is connected with rotary limit rod, the bottom of rotary limit rod is inserted with short shaft, the both ends of short shaft are connected with adjusting support rod through roller bearing, the bottom of adjusting support rod is detachably installed with adjusting screw rod.

[0007] Preferably, the bottom of adjusting support rod is equipped with threaded hole, and the adjusting screw rod is rotatably inserted in the threaded hole.

[0008] Preferably, the length of the adjusting screw is greater than the depth of the threaded hole, and the length of the adjusting screw is half the length of the adjusting support rod.

[0009] Preferably, the top end of the adjusting support rod is provided with a spherical groove, and the connecting ball is clamped in the spherical groove.

[0010] Preferably, the bottom of the fixing ring is provided with an adjusting sliding groove, and the top end of the hanging sliding plate is slidingly clamped inside the adjusting sliding groove.

[0011] Preferably, the cross section of the adjusting sliding groove is T-shaped, the top of the hanging sliding plate is disc-shaped, and the bottom of the hanging sliding plate is a round rod.

[0012] The utility model discloses a structure of adjusting the angle between the adjusting support rod and the axis of the fixing ring, and changing the length of the adjusting screw extending from the bottom of the adjusting support rod, and the adjusting screw bottom is in contact with the ground, so that the adjusting screw and the adjusting support rod support the disassembly practical training platform, and the adjusting screw, the adjusting support rod, the disassembly practical training platform and the ground support form a triangular structure, which ensures the stability of the center of the disassembly practical training platform after the helicopter gear box is installed on the disassembly practical training platform, avoids the disassembly practical training platform from falling, and ensures the safety of the staff when disassembling the helicopter gear box. And the surface of the adjusting support rod towards the disassembly practical training platform is rotatably installed with a rotary limiting rod, when the adjusting screw and the adjusting support rod support the fixing ring and the disassembly practical training platform obliquely, the rotary limiting rod is taken out from the storage groove and the top end of the rotary limiting rod is in contact with the disassembly practical training platform, at this time, the axis of the rotary limiting rod and the disassembly practical training platform is perpendicular, which ensures that the adjusting support rod will not reset to the disassembly practical training platform direction after supporting the disassembly practical training platform and the fixing ring, and the stability of the structure after the adjusting screw and the adjusting support rod support. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the overall structure schematic view of the utility model;

[0014] Fig. 2 It is the side view of the utility model;

[0015] Fig. 3 It is the structure sectional view of the fixing ring of the utility model;

[0016] Fig. 4 It is the structure schematic view of the adjusting screw of the utility model. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] As Figs. 1 to 4 The utility model provides a helicopter gear box disassembly practical training platform, including disassembly practical training platform 1, the top of disassembly practical training platform 1 can detachably install helicopter gear box 4, the outside of disassembly practical training platform 1 is fixed with fixed ring 2, the bottom of fixed ring 2 is slidably connected with the suspension slide 8, the number of suspension slide 8 is greater than one, that is to say has multiple suspension slide 8. The bottom of suspension slide 8 is fixed with connecting ball 7, the bottom outside of connecting ball 7 is rotatably connected with adjusting support rod 3, the surface of adjusting support rod 3 towards disassembly practical training platform 1 is equipped with the accommodation groove 6, the inside of accommodation groove 6 is connected with the rotation limiting rod 5, the bottom of rotation limiting rod 5 is inserted with short shaft, the both ends of short shaft are connected with adjusting support rod 3 through roller bearing, the bottom of adjusting support rod 3 is detachably installed with adjusting screw 10, the angle between adjusting support rod 3 and fixed ring 2 axis is adjusted, and the length of adjusting screw 10 is changed to extend the bottom of adjusting support rod 3, adjusting screw 10 bottom is contacted with the ground, so that adjusting screw 10, adjusting support rod 3 support disassembly practical training platform 1, and adjusting screw 10, adjusting support rod 3, disassembly practical training platform 1 and ground support form a triangular structure, guarantee that the helicopter gear box 4 is installed on disassembly practical training platform 1 after the stability of disassembly practical training platform 1 center.

[0019] Specifically, the top of adjusting support rod 3 is provided with a spherical groove, and the connecting ball 7 is connected in the spherical groove, so that the top of adjusting support rod 3 can be freely adjusted around the ball of connecting ball 7, so as to adjust the inclination direction and inclination angle of adjusting support rod 3 according to the position of connecting ball 7 and suspension slide 8.

[0020] The bottom of fixed ring 2 is provided with an adjusting sliding groove 9, and the top of suspension slide 8 is slidably connected in the inside of adjusting sliding groove 9. The cross section of adjusting sliding groove 9 is T-shaped, the top of suspension slide 8 is disc-shaped, and the bottom of suspension slide 8 is round rod. The T-shaped suspension slide 8 is used for suspending and supporting the connecting ball 7 and the adjusting support rod 3, and the position of the connecting ball 7, the suspension slide 8 and the adjusting support rod 3 can be adjusted around the axis of the disassembly practical training platform 1.

[0021] The bottom of adjusting support rod 3 is provided with a threaded hole, the adjusting screw 10 is rotatably inserted in the threaded hole, the length of adjusting screw 10 is greater than the depth of the threaded hole, the length of adjusting screw 10 is half of the length of adjusting support rod 3, and the distance between the bottom of adjusting support rod 3 and the ground is supplemented by adjusting screw 10, so as to change the supporting angle of adjusting support rod 3 to better support the disassembly practical training platform 1 and the fixed ring 2.

[0022] Therefore, the staff first grasps the top end of the adjusting support rod 3 when using the helicopter gear box disassembly practical training platform provided by the utility model, and moves the connecting ball 7 by pushing the adjusting support rod 3, so that the hanging slide plate 8 slides in the inside of the adjusting sliding groove 9, the position of the connecting ball 7 and the hanging slide plate 8 is changed, thereby changing the orientation of the adjusting support rod 3, then the bottom of the adjusting support rod 3 is fluctuated, so that the top end of the adjusting support rod 3 rotates around the ball center of the connecting ball 7, thereby changing the inclined orientation and the inclined direction of the adjusting support rod 3, after the inclined direction and the inclined direction of the adjusting support rod 3 are adjusted, the rotating limiting rod 5 is taken out from the storage groove 6 and the top end of the rotating limiting rod 5 is in contact with the outer surface of the disassembly practical training platform 1, at this time, the rotating limiting rod 5 is perpendicular to the disassembly practical training platform 1, the rotating adjusting screw 10 is rotated, so that the adjusting screw 10 extends from the bottom end of the adjusting support rod 3, until the bottom end of the adjusting screw 10 is in contact with the ground, so that the adjusting screw 10 and the adjusting support rod 3 support the fixed ring 2 and the disassembly practical training platform 1 obliquely, the disassembly practical training platform 1 after the helicopter gear box 4 is installed is supported, the disassembly practical training platform 1 is prevented from falling down, and the personal safety of the staff when disassembling the helicopter gear box 4 is ensured.

[0023] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A helicopter gearbox disassembly practical training platform, comprising a disassembly practical training platform, a helicopter gearbox is detachably installed at the top end of the disassembly practical training platform, characterized in that, The outer side of the disassembly practical training platform is fixed with a fixed ring, the bottom of the fixed ring is slidably connected with a hanging slide plate, the number of the hanging slide plates is greater than one, the bottom end of the hanging slide plate is fixed with a connecting ball, the bottom outer side of the connecting ball is rotatably connected with an adjusting support rod, the surface of the adjusting support rod towards the disassembly practical training platform is provided with a receiving groove, the inner side of the receiving groove is connected with a rotary limiting rod, the bottom end of the rotary limiting rod is inserted with a short shaft, the both ends of the short shaft are connected with the adjusting support rod through roller bearings, and the bottom end of the adjusting support rod is detachably installed with an adjusting screw rod.

2. The helicopter gearbox disassembly training platform according to claim 1, characterized in that, The bottom end of the adjusting support rod is provided with a threaded hole, and the adjusting screw rod is rotatably inserted in the threaded hole.

3. The helicopter gearbox disassembly training platform according to claim 2, characterized in that, The length of the adjusting screw rod is greater than the depth of the threaded hole, and the length of the adjusting screw rod is half of the length of the adjusting support rod.

4. The helicopter gearbox disassembly training platform according to claim 1, characterized in that, The top end of the adjusting support rod is provided with a spherical groove, and the connecting ball is connected in the spherical groove.

5. The helicopter gearbox disassembly training platform according to claim 1, characterized in that, The bottom of the fixed ring is provided with an adjusting sliding groove, and the top end of the hanging slide plate is slidably connected in the inner side of the adjusting sliding groove.

6. The helicopter gearbox disassembly training platform according to claim 5, characterized in that, The cross section of the adjusting sliding groove is T-shaped, the top of the hanging slide plate is disc-shaped, and the bottom of the hanging slide plate is a round rod.

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