Aircraft hub cleaning clamp

Abstract

The invention belongs to the technical field of hub cleaning, and particularly relates to an aircraft hub cleaning clamp which comprises a fixing table, a base is fixedly connected to the top of the fixing table, a fixing column is fixedly connected to the top of the base, a disc is rotationally connected to the top of the fixing column, and a plurality of sliding ways are formed in the middle of the disc and distributed in a circumferential array mode. A sliding way is formed in the top of the base, a push plate is slidably connected into the sliding way, a connecting rod is hinged to the bottom of the push plate, a sleeve is slidably connected to the middle of the fixing column, the end of the connecting rod is hinged to the sleeve, a fixing ring is rotatably connected to the middle of the sleeve, and a hydraulic cylinder is fixedly connected to the top of the base. And through cooperation of the connecting rod and the push plate, the hub can be fixed from the interior of the hub, so that the convenience of fixing the hub is improved, and the situation that the mounting and dismounting processes are relatively tedious due to manual use of a clamp for fixing is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of wheel hub cleaning, and more specifically is a cleaning fixture for an aircraft wheel hub. Background Art The aircraft wheel hub is an important component of the aircraft landing gear. As a load-bearing component where the aircraft contacts the ground, in addition to bearing the weight of the aircraft and the impact load during takeoff and landing, it also bears various loads during ground taxiing and ground operation.

[0002] The wheel hub of an aircraft needs to be cleaned regularly to remove grease, dirt, dust and other stains on the surface, prevent these stains from corroding or damaging the wheel hub, and thus maintain the integrity and performance of the wheel hub. When cleaning the wheel hub, it is usually necessary to separate the wheel hub from the tire, and then use professional cleaning agents and equipment to clean it. During long-term use observation, it is found that when cleaning existing aircraft wheel hubs, it is usually necessary to fix the wheel hub on the cleaning equipment with a corresponding clamp, and then use the water spray component of the cleaning equipment to rinse the wheel hub. The existing clamp is usually a circular structure including a base and a screw. The worker manually places the wheel hub on the surface of the base, and then turns the screw to hold the wheel hub placed inside to lock it, resulting in cumbersome installation and disassembly processes.

[0003] To this end, the present invention provides an aircraft wheel hub cleaning fixture. Summary of the invention

[0004] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background technology, an aircraft wheel hub cleaning fixture is proposed.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an aircraft wheel hub cleaning fixture described in the present invention comprises a fixed platform, the top of the fixed platform is fixedly connected to a base, the top of the base is fixedly connected to a fixing column, the top of the fixing column is rotatably connected to a disc, the middle of the disc is provided with a plurality of slideways, and the plurality of slideways are distributed in a circular array. A push plate is slidably connected to the slide, the bottom of the push plate is hinged with a connecting rod, the middle of the fixing column is slidably connected to a sleeve, the end of the connecting rod is hinged on the sleeve, the middle of the sleeve is rotatably connected to a fixing ring, the top of the base is fixedly connected to a hydraulic cylinder, the end of the hydraulic cylinder is fixedly connected to the bottom of the fixing ring, and the top of the base is fixedly connected to a protective box. Through the above structure, a hydraulic cylinder is provided to connect the fixing ring and the sleeve, and cooperate with the connecting rod and the push plate to fix it from the inside of the wheel hub, so as to improve the convenience when fixing the wheel hub and reduce the situation where manual use of a clamp is used for fixing, resulting in a more cumbersome installation and disassembly process.

[0006] Preferably, a support platform is fixedly connected to the top of the fixed platform, a first motor is fixedly connected to the top of the support platform, a gear is fixedly connected to the output end of the first motor, and the gear is meshed with the disc. Through the above structure, the first motor and the gear are arranged, which can facilitate the adjustment of the horizontal position of the wheel hub, so as to adjust the cleaning position of the cleaning equipment relative to the wheel hub, thereby improving convenience during use.

[0007] Preferably, a storage groove is opened in the middle of the support platform, a second motor is fixedly connected in the storage groove, a rotating shaft is fixedly connected in the middle of the fixed platform, a support frame is rotatably connected in the middle of the rotating shaft, and the second motor and the rotating shaft are driven by a synchronous belt. Through the above structure, the second motor and the rotating shaft are arranged, which can facilitate the adjustment of the vertical angle of the hub to adjust the angle between the hub and the cleaning equipment, so as to reduce the gap position between the cleaning hubs and improve the overall cleaning effect.

[0008] Preferably, a pair of brush rollers are symmetrically installed on the top of the fixed table, the output end of the second motor is fixedly connected to a first pulley, the ends of the pair of brush rollers are fixedly connected to a second pulley, the first pulley and the second pulley are driven by a synchronous belt, and through the above structure, the first pulley, the second pulley and the brush roller are arranged, which can facilitate cleaning of the surface of the fixed table, so as to reduce the situation where dirt after cleaning remains on the surface of the fixed table and causes dirt, so as to improve the cleanliness of the surface of the fixed table.

[0009] Preferably, the push plate side wall is fixedly connected with a fixed block, the fixed block side wall is hinged with a pair of support arms, the end of the support arm is fixed with a top block, and the push plate and the support arm side wall are commonly fixed with a first spring. Through the above structure, the support arm, the top block and the first spring are arranged, and the push plate can be supported from the inner wall of the wheel hub near both sides to increase the contact area between the push plate and the inner wall of the wheel hub, which can improve the fixing effect of the wheel hub and increase stability.

[0010] Preferably, a positioning rod is fixedly connected to the top of the disc, a baffle is slidably connected to the middle of the positioning rod, a second spring is fixedly connected to the bottom of the baffle, and the bottom of the second spring is fixedly connected to the top of the disc. Through the above structure, the positioning rod, the baffle and the second spring are arranged, which can play a positioning role when the wheel hub is placed, and at the same time can slow down the descending speed of the wheel hub to reduce the damage caused by the impact force between the wheel hub and the disc.

[0011] Preferably, a screw sleeve is threadedly connected to the middle part of the positioning rod, and a pair of extension rods are fixedly connected to the side walls of the screw sleeve. Through the above structure, the screw sleeve and the extension rods are arranged, which can facilitate locking the wheel hub in the middle part of the positioning rod, and cooperate with the push plate to fix the wheel hub to improve the overall fixing effect.

[0012] Preferably, a plurality of shock-absorbing pads are fixedly connected to the bottom of the support frame, and a damping spring shock absorber is fixedly connected to the bottom of the shock-absorbing pad. Through the above structure, the shock-absorbing pads and the damping spring shock absorber are arranged to buffer and reduce vibration of the overall structure, so as to reduce the vibration generated by the wheel hub when it is rotated or placed, which may cause the loose connection of the overall structure, so as to improve the overall stability of use.

[0013] The beneficial effects of the present invention are as follows: 1. The aircraft wheel hub cleaning fixture of the present invention can be fixed from the inside of the wheel hub by arranging a hydraulic cylinder to connect the fixing ring and the sleeve, and cooperating with the connecting rod and the push plate, so as to improve the convenience of fixing the wheel hub and reduce the situation that the installation and disassembly process is more complicated due to the manual use of the fixture for fixing; 2. The aircraft wheel hub cleaning fixture described in the present invention can facilitate the adjustment of the horizontal position of the wheel hub by providing a first motor and a gear, so as to adjust the cleaning position of the cleaning device relative to the wheel hub, thereby improving convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a stereogram in the present invention; Figure 2 It is a structural schematic diagram of the brush roller in the present invention; Figure 3 It is a structural schematic diagram of the disc in the present invention; Figure 4 It is a structural schematic diagram of the positioning rod in the present invention; Figure 5 It is a structural schematic diagram of the push plate in the present invention.

[0016] Description of reference numerals: 1. Fixed table; 11. Base; 12. Fixed column; 13. Disc; 14. Slide; 15. Push plate; 16. Connecting rod; 17. Sleeve; 18. Fixed ring; 19. Hydraulic cylinder; 110. Protective box; 2. Support table; 21. First motor; 22. Gear; 3. Second motor; 31. Rotating shaft; 32. Support frame; 4. Fixed block; 41. Support arm; 42. Top block; 43. First spring; 5. Positioning rod; 51. Block plate; 52. Second spring; 6. Screw sleeve; 61. Extension rod; 7. Shock-absorbing pad; 71. Damping spring shock absorber; 8. Brush roller; 81. First pulley; 82. Second pulley. DETAILED DESCRIPTION

[0017] Specific examples are given below.

[0018] like Figures 1 to 5As shown, an aircraft wheel hub cleaning fixture according to an embodiment of the present invention comprises a fixed platform 1, a base 11 is fixedly connected to the top of the fixed platform 1, a fixed column 12 is fixedly connected to the top of the base 11, a disc 13 is rotatably connected to the top of the fixed column 12, a plurality of slideways 14 are provided in the middle of the disc 13, the plurality of slideways 14 are distributed in a circular array, a push plate 15 is slidably connected in the slideway 14, a connecting rod 16 is hinged at the bottom of the push plate 15, a sleeve 17 is slidably connected to the middle of the fixed column 12, the end of the connecting rod 16 is hinged on the sleeve 17, a fixing ring 18 is rotatably connected to the middle of the sleeve 17, a hydraulic cylinder 19 is fixedly connected to the top of the base 11, the end of the hydraulic cylinder 19 is fixedly connected to the bottom of the fixing ring 18, a protective box 110 is fixedly connected to the top of the base 11, when working, the aircraft wheel hub that has been separated from the tire is placed on the disc 13, and the wheel hub is made to move the disc 13 The push plate 15 at the top is wrapped inside, and then the hydraulic cylinder 19 is started to stretch and drive the fixing ring 18 and the sleeve 17 to rise. At this time, the connecting rod 16 can expand outward, thereby driving the push plate 15 to slide toward the edge of the disc 13. When the push plate 15 contacts the inner wall of the wheel hub, it can support the wheel hub from the inside of the wheel hub to the outside, thereby fixing the position of the wheel hub on the disc 13, and then use the cleaning equipment to clean the fixed wheel hub. After cleaning, the hydraulic cylinder 19 is started to shrink to drive the push plates 15 to move closer to each other, thereby releasing the fixation of the wheel hub. Through the above structure, a hydraulic cylinder 19 is set to connect the fixing ring 18 and the sleeve 17, and cooperate with the connecting rod 16 and the push plate 15, so that they can be fixed from the inside of the wheel hub to improve the convenience of fixing the wheel hub and reduce the manual use of clamps to fix, which leads to a more cumbersome installation and disassembly process.

[0019] like Figure 1 As shown, a support platform 2 is fixedly connected to the top of the fixed platform 1, and a first motor 21 is fixedly connected to the top of the support platform 2. A gear 22 is fixedly connected to the output end of the first motor 21, and the gear 22 is meshed with the disc 13. When working, the first motor 21 is started to drive the gear 22 to rotate. At this time, the gear 22 will drive the disc 13, the push plate 15, the connecting rod 16, and the sleeve 17 to rotate. At this time, after the push plate 15 fixes the position of the wheel hub, the rotation of the disc 13 will drive the wheel hub to rotate, so that the cleaning position of the wheel hub can be adjusted. Through the above structure, the first motor 21 and the gear 22 are set, which can facilitate the adjustment of the horizontal position of the wheel hub, so as to facilitate the adjustment of the cleaning position of the cleaning equipment relative to the wheel hub, thereby improving the convenience during use.

[0020] like Figure 2As shown, a rotating shaft 31 is fixedly connected to the middle of the fixed platform 1, and a support frame 32 is rotatably connected to the middle of the rotating shaft 31. A second motor 3 is fixedly connected to the side wall of the support frame 32, and the rotating shaft 31 is fixedly connected to the output end of the second motor 3. When working, the second motor 3 is started to drive the rotating shaft 31 to rotate. At this time, the rotating shaft 31 will cause the fixed platform 1 to rotate, thereby driving the hub on the top of the disc 13 to rotate vertically. When the second motor 3 rotates clockwise or counterclockwise, it can drive the hub to rotate vertically clockwise or counterclockwise, so as to change the angle between the hub and the water gun of the water spray assembly of the cleaning equipment. Through the above structure, the second motor 3 and the rotating shaft 31 are set, which can facilitate the vertical angle adjustment of the hub to adjust the angle between the hub and the cleaning equipment, so as to reduce the gap position between the cleaning hubs, so as to improve the overall cleaning effect.

[0021] like Figure 1 and Figure 2 As shown, a pair of brush rollers 8 are symmetrically installed on the top of the fixed platform 1, and a first pulley 81 is rotatably connected to the side wall of the support platform 2. The ends of the pair of brush rollers 8 are fixedly connected to the second pulley 82. The first pulley 81 and the second pulley 82 are driven by a synchronous belt, and the first pulley 81 and the second motor 3 are driven by a synchronous belt. During operation, when the second motor 3 rotates, it will drive the first pulley 81 to rotate. At this time, the first pulley 81 will drive the second pulleys 82 and the brush roller 8 on both sides to rotate. At this time, the brush roller 8 contacts the top of the fixed platform 1, and can clean the surface of the fixed platform 1, thereby cleaning some of the dirt remaining on the surface of the fixed platform 1 after cleaning. Through the above structure, the first pulley 81, the second pulley 82 and the brush roller 8 are set, which can facilitate the cleaning of the surface of the fixed platform 1, so as to reduce the situation where the dirt after cleaning remains on the surface of the fixed platform 1 and causes dirt, so as to improve the cleanliness of the surface of the fixed platform 1.

[0022] like Figure 5 As shown, the side wall of the push plate 15 is fixedly connected to a fixed block 4, and the side wall of the fixed block 4 is hinged with a pair of support arms 41, and the end of the support arm 41 is fixedly connected to a top block 42. The push plate 15 and the side wall of the support arm 41 are jointly fixedly connected to a first spring 43. During operation, when the push plate 15 approaches the inner wall of the wheel hub, the top block 42 will first contact the inner wall of the wheel hub. At this time, when the push plate 15 continues to move, the top block 42 will expand to both sides under the action of squeezing. When the push plate 15 presses against the wheel hub, the first spring 43 will be in a stretched state. When the push plate 15 is moved away from the wheel hub, the first spring 43 will contract and drive the support arm 41 and the top block 42 to return to their original position. By means of the above structure, the support arm 41, the top block 42 and the first spring 43 are arranged, and the push plate 15 can be supported from the inner wall of the wheel hub near both sides to increase the contact surface between the push plate 15 and the inner wall of the wheel hub, thereby improving the fixing effect on the wheel hub and increasing stability.

[0023] like Figure 4 As shown, a positioning rod 5 is fixedly connected to the top of the disc 13, a baffle 51 is slidably connected to the middle of the positioning rod 5, a second spring 52 is fixedly connected to the bottom of the baffle 51, and the bottom of the second spring 52 is fixedly connected to the top of the disc 13. During operation, when the wheel hub is placed on the disc 13, the central axis hole of the wheel hub is aligned with the positioning rod 5, and then the wheel hub is placed on the disc 13. In the process of the wheel hub descending, the baffle 51 and the second spring 52 at the bottom will be squeezed. At this time, the baffle 51 descends and drives the second spring 52 to contract, thereby slowing down the falling speed of the wheel hub. Through the above structure, the positioning rod 5, the baffle 51 and the second spring 52 are set, which can play a positioning role when the wheel hub is placed, and at the same time can slow down the descending speed of the wheel hub, so as to reduce the damage caused by the impact force between the wheel hub and the disc 13.

[0024] like Figure 4 As shown, a screw sleeve 6 is threadedly connected to the middle part of the positioning rod 5, and a pair of extension rods 61 are symmetrically fixed to the side walls of the screw sleeve 6. During operation, after the wheel hub is sleeved on the middle part of the positioning rod 5, the screw sleeve 6 is connected to the positioning rod 5, and then the extension rod 61 is rotated to drive the screw sleeve 6 to rotate toward the surface of the wheel hub. When the bottom of the screw sleeve 6 contacts the wheel hub, the wheel hub can be locked. Through the above structure, the screw sleeve 6 and the extension rod 61 are arranged, which can facilitate the locking of the wheel hub in the middle part of the positioning rod 5, and cooperate with the push plate 15 to fix the wheel hub to improve the overall fixing effect.

[0025] like Figure 2 As shown, a plurality of shock-absorbing pads 7 are fixedly connected to the bottom of the support frame 32, and a damping spring shock absorber 71 is fixedly connected to the bottom of the shock-absorbing pad 7. When the wheel hub is working, the whole body will shake when the wheel hub rotates. At the same time, when the wheel hub contacts the disc 13, vibration will be generated due to the impact. At this time, the damping spring shock absorber 71 will shrink and rebound to buffer and reduce vibration. Through the above structure, the shock-absorbing pad 7 and the damping spring shock absorber 71 are arranged to buffer and reduce vibration of the whole structure, so as to reduce the vibration generated when the wheel hub is rotated or placed, which may cause the loose connection of the whole structure, so as to improve the stability of the whole use.

[0026] Working principle: Place the aircraft wheel hub on the disc 13, and make the wheel hub wrap the push plate 15 on the top of the disc 13 inside, then start the hydraulic cylinder 19 to stretch and drive the fixing ring 18 and the sleeve 17 to rise, at this time, the connecting rod 16 can expand outward, thereby driving the push plate 15 to slide toward the edge of the disc 13, when the push plate 15 contacts the inner wall of the wheel hub, it can press the wheel hub from the inside of the wheel hub to the outside, thereby fixing the position of the wheel hub on the disc 13, and then use the cleaning equipment to clean the fixed wheel hub, after the cleaning is completed, start the hydraulic cylinder 19 to contract, thereby driving the push plates 15 to move closer to each other, thereby releasing the fixation of the wheel hub, start the first motor 21 to drive the gear 22 to rotate, and at this time the gear 22 will drive the wheel hub The disc 13, the push plate 15, the connecting rod 16, and the sleeve 17 rotate. At this time, after the push plate 15 fixes the wheel hub in position, the rotation of the disc 13 will drive the wheel hub to rotate, so that the cleaning position of the wheel hub can be adjusted. The second motor 3 is started to drive the rotating shaft 31 to rotate. At this time, the rotating shaft 31 will cause the fixed platform 1 to rotate, thereby driving the wheel hub on the top of the disc 13 to rotate vertically. When the second motor 3 rotates clockwise or counterclockwise, it can drive the wheel hub to rotate vertically clockwise or counterclockwise, so as to change the angle between the wheel hub and the water gun of the water spray assembly of the cleaning equipment. When the second motor 3 rotates, it will drive the first pulley 81 to rotate. At this time, the first pulley 81 will drive the second pulleys 82 on both sides and the brush roller 8 to rotate. At this time, the brush roller 8 contacts the top of the fixed platform 1, and can clean the surface of the fixed platform 1, so as to clean off some of the dirt remaining on the surface of the fixed platform 1 after cleaning. When the push plate 15 approaches the inner wall of the wheel hub, the top block 42 will first contact the inner wall of the wheel hub. At this time, the push plate 15 continues to move, and the top block 42 will expand to both sides under the action of extrusion. When the push plate 15 presses against the wheel hub, the first spring 43 will be in a stretched state. At this time, the rebound force generated by the first spring 43 acts on the inner wall of the wheel hub through the support arm 41 and the top block 42, which can press against the inner wall of the wheel hub near both sides of the push plate 15. When the push plate 15 is away from the wheel hub, the first spring 43 will contract to drive the support arm 41 and the top block 42 to reset. When the hub is placed on the disc 13, the central axis hole of the hub is aligned with the positioning rod 5, and then the hub is placed on the disc 13. During the process of the hub descending, the baffle 51 and the second spring 52 at the bottom will be squeezed. At this time, the baffle 51 descends and drives the second spring 52 to contract, thereby slowing down the falling speed of the hub. After the hub is sleeved on the middle part of the positioning rod 5, the screw sleeve 6 is connected to the positioning rod 5, and then the extension rod 61 is rotated to drive the screw sleeve 6 to rotate toward the surface of the hub. When the bottom of the screw sleeve 6 contacts the hub, the hub can be locked. When the hub rotates, the whole body will shake. At the same time, when the hub contacts the disc 13, it will vibrate due to the impact. At this time, the damping spring shock absorber 71 will contract and rebound to buffer and reduce vibration.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An aircraft wheel hub cleaning fixture, comprising a fixing table (1), characterized in that: The top of the fixed platform (1) is fixedly connected to a base (11), the top of the base (11) is fixedly connected to a fixed column (12), the top of the fixed column (12) is rotatably connected to a disk (13), a plurality of slideways (14) are provided in the middle of the disk (13), the plurality of slideways (14) are distributed in a circular array, a push plate (15) is slidably connected in the slideway (14), a connecting rod (16) is hinged at the bottom of the push plate (15), a sleeve (17) is slidably connected to the middle of the fixed column (12), the end of the connecting rod (16) is hinged on the sleeve (17), the middle of the sleeve (17) is rotatably connected to a fixed ring (18), a hydraulic cylinder (19) is fixedly connected to the top of the base (11), the end of the hydraulic cylinder (19) is fixedly connected to the bottom of the fixed ring (18), and a protective box (110) is fixedly connected to the top of the base (11).

2. The aircraft wheel hub cleaning fixture according to claim 1, characterized in that: The top of the fixed platform (1) is fixedly connected to a support platform (2), the top of the support platform (2) is fixedly connected to a first motor (21), an output end of the first motor (21) is fixedly connected to a gear (22), and the gear (22) is meshed with the disc (13).

3. The aircraft wheel hub cleaning fixture according to claim 2, characterized in that: A rotating shaft (31) is fixedly connected to the middle of the fixed platform (1), a support frame (32) is rotatably connected to the middle of the rotating shaft (31), a second motor (3) is fixedly connected to the side wall of the support frame (32), and the rotating shaft (31) is fixedly connected to the output end of the second motor (3).

4. The aircraft wheel hub cleaning fixture according to claim 3, characterized in that: A pair of brush rollers (8) are symmetrically mounted on the top of the fixed platform (1); a first pulley (81) is rotatably connected to the side wall of the support platform (2); the ends of the pair of brush rollers (8) are fixedly connected to a second pulley (82); the first pulley (81) and the second pulley (82) are driven by a synchronous belt; and the first pulley (81) and the second motor (3) are driven by a synchronous belt.

5. The aircraft wheel hub cleaning fixture according to claim 1, characterized in that: The push plate (15) is fixedly connected to a fixed block (4) on its side wall, a pair of support arms (41) are hingedly connected to the side wall of the fixed block (4), a top block (42) is fixedly connected to the end of the support arm (41), and the push plate (15) and the side wall of the support arm (41) are jointly fixedly connected to a first spring (43).

6. The aircraft wheel hub cleaning fixture according to claim 1, characterized in that: A positioning rod (5) is fixedly connected to the top of the disk (13), a baffle (51) is slidably connected to the middle of the positioning rod (5), a second spring (52) is fixedly connected to the bottom of the baffle (51), and the bottom of the second spring (52) is fixedly connected to the top of the disk (13).

7. The aircraft wheel hub cleaning fixture according to claim 6, characterized in that: A screw sleeve (6) is threadedly connected to the middle of the positioning rod (5), and a pair of extension rods (61) are fixedly connected to the side walls of the screw sleeve (6).

8. The aircraft wheel hub cleaning fixture according to claim 3, characterized in that: A plurality of shock-absorbing pads (7) are fixedly connected to the bottom of the support frame (32), and a damping spring shock absorber (71) is fixedly connected to the bottom of the shock-absorbing pad (7).

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