Manual brake releasing device of container cargo loader

Abstract

The invention relates to the technical field of aviation ground equipment, in particular to a manual brake release device of a container cargo loader, which comprises a speed reducer shell, an inner end cover is arranged on the left side of the speed reducer shell, an outer end cover is arranged on the right side of the speed reducer shell, a sun gear, a planet gear component and a planet carrier are arranged in the speed reducer shell, and a manual brake release mechanism is arranged on the speed reducer shell. The manual brake releasing mechanism comprises a first connecting shaft, a joint sleeve, a second connecting shaft, a bearing, a spring, an out-of-gear rod, a screw support, an out-of-gear screw, a check ring and a locking nut, the first connecting shaft, the joint sleeve and the second connecting shaft are arranged on the speed reducer shell, and the joint sleeve is circumferentially fixed with the first connecting shaft and the second connecting shaft and axially connected with the first connecting shaft and the second connecting shaft in a sliding mode. The second connecting shaft drives the planet wheel assembly to rotate, a planet wheel of the planet wheel assembly is meshed with the gear ring, and the out-of-gear rod drives the right end of the joint sleeve to be connected with the second connecting shaft in a circumferential rotating mode. The structure is novel, braking can be quickly relieved, a loader can be quickly evacuated, operation is convenient, and safety and efficiency are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of aviation ground equipment, in particular to a manual brake release device for a container cargo loader. Background Art

[0002] On the airport apron, container loaders are widely used to load and unload aircraft and transport cargo. The travel drive system of the container loaders adopts a three-part series structure of hydraulic motor + brake + wheel-side reducer. The hydraulic motor drive shaft drives the brake to rotate, the brake drive shaft drives the wheel-side reducer to rotate, and the wheel-side reducer drives the wheel to rotate. The brake provides service brake and parking brake for the loader. The service brake is hydraulic brake, and the parking brake is spring brake and hydraulic release. When the loader is driving normally, the hydraulic power drives the motor to rotate and releases the parking brake device of the brake at the same time to achieve normal driving.

[0003] When the loader breaks down and cannot drive on its own, if the vehicle has power, the parking brake can be released through the emergency electric pump, and the loader can be towed away from the parking space by a trailer. If the vehicle has no power, the parking brake cannot be released, and the loader's brakes cannot be released, and the loader cannot move. Once a breakdown occurs, it will take a lot of time to complete the evacuation of the loader, and it may even cause flight delays. Summary of the invention

[0004] The purpose of the present invention is to solve the deficiencies of the prior art and to provide a manual brake release device for a container cargo loader which has a novel structure, can quickly release the brake, can allow the loader to quickly evacuate, is easy to operate, and is safe and efficient.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: A manual brake release device for a container cargo loader comprises a reducer housing, an inner end cover is provided on the left side of the reducer housing, and an outer end cover is provided on the right side, a sun gear and a planet carrier are provided in the reducer housing, and is characterized in that: a manual brake release mechanism is provided on the reducer housing, and the manual brake release mechanism comprises a first connecting shaft, a coupling sleeve, a second connecting shaft, a bearing, a spring, a disengagement rod, a screw support, a disengagement screw, a retaining ring, and a locking nut, and a first connecting shaft, a coupling sleeve and a second connecting shaft are axially provided on the reducer housing from left to right, and the reducer housing comprises a fixed housing and a gear ring, the left end of the fixed housing is sealed and fixedly connected to the inner end cover, and the right end is fixedly connected to the gear ring via a bearing, the first connecting shaft is fixedly connected to the fixed housing via a bearing, a first connecting groove is provided at the right end of the first connecting shaft, a spring is provided in the first connecting groove, and a first slideway is fixedly provided on the inner wall of the first connecting groove, A sun gear is provided on the right side of the first connecting shaft, a shaft hole is provided in the middle of the sun gear, the coupling sleeve is inserted into the sun gear, a spring groove is provided at the left end of the coupling sleeve, and a second connecting groove is provided at the right end. A first slider is fixedly provided on the outer wall of the left end of the coupling sleeve, the left end of the coupling sleeve is inserted into the first connecting groove, and is slidably connected to the first connecting shaft through the first slider and the first slideway, the right outer wall of the coupling sleeve is slidably connected to the inner wall of the sun gear, the left end of the sun gear is fixedly connected to the first connecting shaft, and the right end is fixedly connected to the planet carrier, a first-stage planetary gear is provided on the outer wall of the sun gear, the inner ring of the first-stage planetary gear is fixedly connected to the first-stage planetary gear, the outer ring of the first-stage planetary gear is fixedly connected to the gear ring, the left end of the spring is against the first connecting shaft, and the right The second end is placed in the spring groove and abuts against the coupling sleeve, the inner wall of the second connecting groove is fixedly provided with a second slideway, the second connecting groove is provided with a second connecting shaft, the outer wall of the left part of the second connecting shaft is fixedly provided with a second slider, the left end of the second connecting shaft is a guide section, the second connecting shaft is slidably connected with the coupling sleeve through the second slider and the second slideway, a secondary planetary gear is provided on the outer side of the right part of the second connecting shaft, a rod through hole is provided in the middle of the second connecting shaft, the left end of the secondary planetary gear is fixedly connected to the planet carrier, the inner ring of the secondary planetary gear is fixedly connected to the second connecting shaft, the outer ring of the secondary planetary gear is fixedly connected to the gear ring, the right end of the gear ring is sealed and fixedly connected to the outer end cover, a screw support is provided on the right side of the outer end cover, and the outer end cover A rod hole is provided in the middle, the screw support is fixedly connected to the outer end cover, a disengagement space is provided between the left end of the screw support and the outer end cover, a threaded hole is provided in the middle of the screw support, the threaded hole is connected to the disengagement space, a disengagement screw is provided on the screw support, the left end of the disengagement rod passes through the rod through-hole of the second connecting shaft and abuts against the coupling sleeve, and the right end passes through the rod hole of the outer end cover and is placed in the disengagement space, the disengagement rod is sealingly and slidably connected with the outer end cover, the left end of the disengagement screw is located in the disengagement space, the left end of the disengagement screw abuts against the right end of the disengagement rod, a retaining ring is fixedly provided on the outer wall of the left end of the disengagement screw, and a locking nut is provided at the threaded hole of the screw support at the right end of the disengagement screw, and the disengagement screw is threadedly connected to the screw support.The locking nut is threadedly connected to the disengaging screw, so that by rotating the disengaging screw, the disengaging screw pushes the coupling sleeve to the left, so that the coupling sleeve extrusion spring moves to the left, and the right end of the coupling sleeve contacts the guide section of the second connecting shaft, disconnecting the transmission between the coupling sleeve and the second connecting shaft, thereby realizing manual brake release.

[0006] The right end of the shift-off lever of the present invention is provided with a rotating handle, and the rotating handle is fixedly connected to the shift-off lever to facilitate the rotation of the shift-off lever.

[0007] The present invention has the advantages of novel structure, rapid release of brakes, rapid evacuation of the loader, convenient operation, safety and high efficiency, etc. due to the adoption of the above structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the present invention.

[0009] Figure 2 It is a schematic diagram of the first connecting shaft and the second connecting shaft being disengaged when the brake is released according to the present invention.

[0010] Figure numerals: inner end cover 1, outer end cover 2, sun gear 3, planetary carrier 4, manual brake release mechanism 5, first connecting shaft 6, coupling sleeve 7, second connecting shaft 8, spring 9, disengagement rod 10, screw support 11, disengagement screw 12, retaining ring 13, locking nut 14, fixed housing 15, ring gear 16, first connecting groove 17, shaft hole 18, spring groove 19, second connecting groove 20, primary planetary gear 21, secondary planetary gear 22, disengagement space 23, rotating handle 24. DETAILED DESCRIPTION

[0011] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0012] A manual brake release device for a container cargo loader comprises a reducer housing, wherein an inner end cover 1 is provided on the left side of the reducer housing, and an outer end cover 2 is provided on the right side. A sun gear 3, a planetary gear assembly and a planetary carrier 4 are provided in the reducer housing, and the reducer housing is characterized in that a manual brake release mechanism 5 is provided on the reducer housing, and the manual brake release mechanism 5 comprises a first connecting shaft 6, a coupling sleeve 7, a second connecting shaft 8, a bearing, a spring 9, a disengagement rod 10, a screw support 11, a disengagement screw 12, a retaining ring 13, and a locking nut 14. The first connecting shaft 6, the coupling sleeve 7 and the second connecting shaft 8 are axially provided on the reducer housing from left to right. The reducer housing comprises a fixed housing 15 and a gear ring 16, and the left end of the fixed housing 15 is sealed with the inner end cover 1 The first connecting shaft 6 is fixedly connected with the fixed housing 15 via a bearing, and a first connecting groove 17 is provided at the right end of the first connecting shaft 6. A spring 9 is provided in the first connecting groove 17, and a first slideway is fixedly provided on the inner wall of the first connecting groove 17. A sun gear 3 is provided on the right side of the first connecting shaft 6, and an axial hole 18 is provided in the middle of the sun gear 3. The engaging sleeve 7 is penetrated in the sun gear 3, and a spring groove 19 is provided at the left end of the engaging sleeve 7, and a second connecting groove 20 is provided at the right end. A first slider is fixedly provided on the outer wall of the left end of the engaging sleeve 7, and the left end of the engaging sleeve 7 is inserted into the first connecting groove 17, and is slidably connected to the first connecting shaft 6 via the first slider and the first slideway. The engaging sleeve 7 slides with the inner wall of the sun gear 3. The sun gear 3 is dynamically connected, and a planetary gear assembly is provided on the sun gear 3, and the planetary gear assembly includes a primary planetary gear 21 and a secondary planetary gear 22. The primary planetary gear 21 is spaced apart on the outer side of the sun gear 3, and a planet carrier 4 is provided on the right side of the sun gear 3. The sun gear 3 is meshed with the primary planetary gear 21, and the sun gear 3 is meshed with the planet carrier 4. The secondary planetary gear 22 is distributed circumferentially on the right side of the planet carrier 4, and the primary planetary gear 21 is meshed with the ring gear 16. The left end of the spring 9 abuts against the first connecting shaft 6, and the right end is placed in the spring groove 19 and abuts against the engagement sleeve 7. A second slideway is fixedly provided on the inner wall of the second connecting groove 20, and a second connecting shaft 8 is provided in the second connecting groove 20. A second slider is fixedly provided on the outer wall of the left part of the second connecting shaft 8, and the second connecting shaft 8 is provided with a second slider. The left end of the second connecting shaft 8 is a guide section, and the outer wall of the right part of the second connecting shaft 8 is fixed with teeth. The second connecting shaft 8 is slidably connected with the coupling sleeve 7 through the second slider and the second slideway. The right part of the second connecting shaft 8 is meshed with the secondary planetary gear 22. A rod through hole is provided in the middle of the second connecting shaft 8. The secondary planetary gear 22 is fixedly connected with the planetary carrier 4 through the shaft and the bearing. The secondary planetary gear 22 is meshed with the ring gear 16. The right end of the ring gear 16 is sealed and fixedly connected with the outer end cover 2. A screw support 11 is provided on the right side of the outer end cover 2. A rod hole is provided in the middle of the outer end cover 2. The screw support 11 is fixedly connected with the outer end cover 2. A disengagement space 23 is provided between the left end of the screw support 11 and the outer end cover 2. A threaded hole is provided in the middle of the screw support 11.The threaded hole is connected to the disengagement space 23, a disengagement screw 12 is provided on the screw support 11, the left end of the disengagement rod 10 passes through the rod through-hole of the second connecting shaft 8 and abuts against the coupling sleeve 7, and the right end passes through the rod hole of the outer end cover 2 and is placed in the disengagement space 23, the disengagement rod 10 is sealed and slidably connected with the outer end cover 2, the left end of the disengagement screw 12 is located in the disengagement space 23, the left end of the disengagement screw 12 abuts against the right end of the disengagement rod 10, a retaining ring 13 is fixedly provided on the outer wall of the left end of the disengagement screw 12, and the right end of the disengagement screw 12 passes through The threaded hole of the screw support 11 is provided with a locking nut 14, and the disengaging screw 12 is threadedly connected to the screw support 11, and the locking nut 14 is threadedly connected to the disengaging screw 12, so that the disengaging screw pushes the engagement sleeve to the left by rotating the disengaging screw, so that the engagement sleeve extrusion spring moves to the left, and the right end of the engagement sleeve contacts the guide section of the second connecting shaft, disconnecting the transmission of the engagement sleeve and the second connecting shaft, so that the first connecting shaft cannot drive the second connecting shaft, and the planetary gear assembly resumes the free rotation state, and the ring gear drives the wheel to resume the free state.

[0013] The right end of the de-shifting lever 10 of the present invention is provided with a rotating handle 24, and the rotating handle 24 is fixedly connected to the de-shifting lever 10 to facilitate the rotation of the de-shifting lever.

[0014] When the present invention is used, the fixed housing 15 is fixed on the frame of the loader, and the gear ring 16 is connected to the wheel. Figure 1 During normal travel, the brake transmission shaft drives the first connecting shaft 6 to rotate, the first connecting shaft 6 drives the second connecting shaft 8 to rotate through the coupling sleeve 7, the second connecting shaft 8 drives the secondary planetary gear 22 to rotate, the secondary planetary gear 22 drives the ring gear 16 to rotate, at the same time, the secondary planetary gear 22 drives the sun gear 3 to rotate, the sun gear 3 drives the primary planetary gear 21 to rotate, the primary planetary gear 21 drives the ring gear to rotate, and the ring gear drives the wheels to rotate, so that the loader can travel normally. When the loader fails to move, Figure 2, manually turn the rotating handle 24 to make the disengaging screw 12 move left, and the left end of the disengaging screw 12 pushes the disengaging rod 10 to move axially to the left, and the disengaging rod 10 pushes the coupling sleeve 7 to squeeze the spring 9 to move axially to the left, until the left end of the coupling sleeve 7 abuts against the right end of the inner wall of the first connecting groove 17 of the first connecting shaft 6. At this time, the coupling sleeve 7 can no longer move to the left, and the second sliding groove at the right end of the coupling sleeve 7 is disengaged from the second sliding block on the second connecting shaft 8. Rotate the locking nut 14, and the locking nut 14 abuts against the screw support 11 to lock the position of the disengaging screw 12. At this time, the inner wall of the second connecting groove 20 at the right end of the coupling sleeve 7 and the outer wall of the left end of the second connecting shaft can rotate circumferentially, and the coupling sleeve 7 cannot drive the second connecting shaft 8 to rotate. The coupling sleeve 7 and the second connecting shaft 8 are disengaged and disconnected, that is, the first connecting shaft 6 rotates and cannot drive the second connecting shaft 8 to rotate. The second connecting shaft 8 is in a free state, the planetary gear is in a free state, and the ring gear 16 drives the wheel to be in a free state, which can be directly dragged to quickly evacuate the loader from the scene. When it is necessary to restore the transmission between the first connecting shaft 6 and the second connecting shaft 8, the rotating handle 24 is rotated in the opposite direction, the disengaging screw 12 moves axially to the right, and the disengaging rod 10 moves axially to the right under the action of the rebound force of the spring 9, and the second sliding groove of the coupling sleeve 7 cooperates with the second sliding block of the second connecting shaft 8 through the guide section. The second connecting shaft 8 of the coupling sleeve 7 is slidably connected through the second sliding block and the second sliding groove. After the position is suitable, the rotating handle 24 is stopped, and the locking nut 14 is rotated. The locking nut 14 abuts against the screw support 11 to lock the position of the disengaging screw 12. The retaining ring 13 can prevent the disengaging screw 12 from sliding out of the screw support 11. The structure of the present invention is ingenious, and solves the problem in the prior art that when the loader fails and cannot walk by itself, if the whole vehicle has no electricity, the parking brake cannot be released. The present invention directly disengages the first connecting shaft and the second connecting shaft inside the reducer, so that the wheels are in a free rotation state, which is convenient for the loader to evacuate quickly, easy to operate, and efficient.

[0015] The present invention has the advantages of novel structure, rapid release of brakes, rapid evacuation of the loader, convenient operation, safety and high efficiency, etc. due to the adoption of the above structure.

Claims

1. A manual brake release device for a container cargo loader, comprising a reducer housing, an outer end cover is provided on the right side of the reducer housing, and a sun gear and a planetary gear assembly are provided in the reducer housing, characterized in that: The reducer housing is provided with a manual brake release mechanism, which includes a first connecting shaft, a coupling sleeve, a second connecting shaft, a spring and a disengagement component. The reducer housing is axially provided with a first connecting shaft, a coupling sleeve and a second connecting shaft from left to right. The reducer housing includes a fixed housing and a gear ring. The right end of the fixed housing is fixedly connected to the gear ring via a bearing. The first connecting shaft is fixedly connected to the fixed housing via a bearing. The first connecting shaft drives the second connecting shaft to rotate via the coupling sleeve. The right end of the first connecting shaft is provided with a first connecting groove, and a spring is provided in the first connecting groove. The left end of the coupling sleeve is provided with a spring groove. , a second connecting groove is provided on the right end, the left end of the spring abuts against the first connecting shaft, and the right end abuts against the engaging sleeve, a sun gear is provided on the outside of the engaging sleeve, the left part of the engaging sleeve is axially slidingly connected to the first connecting shaft, and the right part is axially slidingly connected to the second connecting shaft, the second connecting shaft drives the planetary gear of the planetary gear assembly to rotate, the planetary gear of the planetary gear assembly is meshed with the sun gear, the planetary gear of the planetary gear assembly is meshed with the ring gear, the ring gear is fixedly connected to the outer end cover, a disengagement component is provided on the outer end cover, the disengagement component passes through the second connecting shaft, drives the engaging sleeve to move axially to the left, so that the engaging sleeve is disconnected from the second connecting shaft.

2. A manual brake release device for a container cargo loader according to claim 1, characterized in that: The disengagement component includes a disengagement rod, a screw support, a disengagement screw, a retaining ring, and a locking nut. The second connecting shaft is axially provided with a rod through hole, a screw support is provided on the right side of the outer end cover, a rod hole is provided in the middle of the outer end cover, the screw support is fixedly connected to the outer end cover, a disengagement space is provided between the left end of the screw support and the outer end cover, a threaded hole is provided in the middle of the screw support, the threaded hole is connected to the disengagement space, a disengagement screw is provided on the screw support, and the left end of the disengagement rod The rod through-hole passing through the second connecting shaft abuts against the coupling sleeve, and the rod hole at the right end passing through the outer end cover is placed in the disengagement space, the disengagement rod is sealingly and slidingly connected with the outer end cover, the left end of the disengagement screw is located in the disengagement space, the left end of the disengagement screw abuts against the right end of the disengagement rod, a retaining ring is fixedly provided on the outer wall of the left end of the disengagement screw, and a locking nut is provided in the threaded hole of the right end of the disengagement screw passing through the screw support, the disengagement screw is threadedly connected to the screw support, and the locking nut is threadedly connected to the disengagement screw.

3. A manual brake release device for a container cargo loader according to claim 1 or 2, characterized in that: A first slideway is fixedly provided on the inner wall of the first connecting groove, a first slider is fixedly provided on the outer wall of the left end of the coupling sleeve, the left end of the coupling sleeve is inserted into the first connecting groove, and is slidably connected to the first connecting shaft via the first slider and the first slideway.

4. A manual brake release device for a container cargo loader according to claim 3, characterized in that: A second slideway is fixedly provided on the inner wall of the second connecting groove, a second slider is fixedly provided on the outer wall of the left portion of the second connecting shaft, and the second connecting shaft is slidably connected to the coupling sleeve via the second slider and the second slideway.

5. A manual brake release device for a container cargo loader according to claim 1, 2 or 4, characterized in that: An axial hole is arranged in the middle of the sun gear, and the coupling sleeve is movably connected to the sun gear.

6. The manual brake release device for a container loader according to claim 2, characterized in that: A rotating handle is provided at the right end of the de-shifting rod, and the rotating handle is fixedly connected to the de-shifting rod.

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