Adjustable maintenance ladder for aviation maintenance

Abstract

The present invention relates to the field of aviation maintenance technology and discloses an adjustable maintenance ladder for aviation maintenance, comprising: a tool placement mechanism, a climbing ladder stand mechanism disposed on one side of the tool placement mechanism, a lifting guide mechanism disposed below the tool placement mechanism, a movable support mechanism disposed at the bottom of the lifting guide mechanism, a lifting drive mechanism disposed within the lifting guide mechanism, a traction brake dual auxiliary mechanism disposed on one side of the movable support mechanism, and support mechanisms disposed on both sides of the lifting guide mechanism. This adjustable maintenance ladder for aviation maintenance can be adjusted in height as needed through the lifting guide mechanism, the movable support mechanism, and the lifting drive mechanism, while also facilitating access and ascent for maintenance personnel through the climbing ladder stand mechanism, thereby improving the convenience for maintenance personnel during maintenance and ascent.

Description

Technical Field

[0001] The present invention relates to the technical field of aviation maintenance, in particular to an adjustable maintenance ladder for aviation maintenance. Background Art

[0002] Aviation maintenance is the maintenance and repair of aircraft and the technical equipment on them. It maintains and improves the feasibility of aircraft and ensures the safety of aircraft. It is the prerequisite and necessary condition for the use of aircraft and an important part of the aviation industry.

[0003] When performing aviation maintenance, it is usually necessary to use a maintenance ladder or a lifting frame as a footrest. However, most general maintenance ladders cannot be adjusted in height according to needs. Although the lifting frame can be adjusted in height, the maintenance personnel need to raise and lower the lifting frame every time they go up and down, which is troublesome. Therefore, there is a need for an adjustable maintenance ladder for aviation maintenance, which can adjust the height according to needs and facilitate maintenance personnel to go up and down, thereby improving the convenience of maintenance personnel when performing maintenance and going up and down. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides an adjustable maintenance ladder for aviation maintenance, which solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: an adjustable maintenance ladder for aviation maintenance, comprising: a tool placement mechanism, a climbing ladder standing mechanism provided on one side of the tool placement mechanism, a lifting guide mechanism provided below the tool placement mechanism, a movable supporting mechanism provided at the bottom of the lifting guide mechanism, a lifting drive mechanism provided inside the lifting guide mechanism, a traction brake dual auxiliary mechanism provided on one side of the movable supporting mechanism, and support mechanisms provided on both sides of the lifting guide mechanism.

[0006] Preferably, the tool placement mechanism includes a tool placement box, a box cover and a partition fence, the box cover is rotatably connected to the bottom of the tool placement box, and the partition fence is slidably connected to the inside of the tool placement box.

[0007] Preferably, the climbing ladder standing mechanism includes an extension frame, a lower parallel ladder plate, an upper parallel ladder plate, a ladder shaft, a gripping hole, a wheel axle and a first roller, the extension frame is integrally arranged on one side of the tool placement box, the lower parallel ladder plate and the upper parallel ladder plate are both arranged inside the extension frame, and the lower parallel ladder plate is located below the upper parallel ladder plate, and the lower parallel ladder plate is distributed parallel to the upper parallel ladder plate, and the number of the lower parallel ladder plates and the number of the upper parallel ladder plates are both two, the ladder shaft is fixedly inserted between the two lower parallel ladder plates and between the two upper parallel ladder plates, and the upper parallel ladder plates and the lower parallel ladder plates are both rotatably connected to the extension frame through the ladder shaft, the gripping hole passes through the surface of the upper parallel ladder plate, the wheel axle is fixedly inserted into the inner wall of the bottom end of the upper parallel ladder plate, and the first roller is rotatably connected to the outer wall of the wheel shaft through a bearing.

[0008] Preferably, the climbing ladder standing mechanism also includes a seat cushion, a foot plate and a perforated plate, the seat cushion is fixedly mounted on the upper surface of the extension frame, the foot plate is rotatably connected to the outer wall of the ladder shaft, and there are multiple foot plates, and the multiple foot plates are all located between the two upper parallel ladder plates, and the multiple foot plates are all distributed parallel to the seat cushion, the perforated plate is fixedly connected to the inner wall of the foot plate, and a leakage hole is opened through the surface of the perforated plate.

[0009] Preferably, the lifting and lowering guide mechanism includes a first guide frame, a second guide frame, a first guide groove, a second guide groove and a first limiting slider. The first guide frame is fixedly connected to the bottom of the tool placement box, the second guide frame is slidably connected to the inner wall of the first guide frame, the first guide groove passes through the surface of the first guide frame, the second guide groove passes through the surface of the second guide groove, the first limiting slider is fixedly connected to the surface of the second guide frame, and the outer wall of the first limiting slider is slidably connected to the inner wall of the first guide groove.

[0010] Preferably, the mobile carrying mechanism includes a mobile base, a second limiting slider, a connecting wheel frame, a rotating wheel frame and a second roller, the mobile base is slidably connected to the inner wall of the second guide frame, the second limiting slider is fixedly connected to the surface of the mobile base, and the outer wall of the second limiting slider is slidably connected to the inner wall of the second guide groove, the connecting wheel frame is fixedly connected to the inner walls of the four corners of the mobile base, the rotating wheel frame is rotatably connected to the bottom of the connecting wheel frame, and the second roller is rotatably connected to the bottom of the rotating wheel frame.

[0011] Preferably, the lifting drive mechanism includes a driving motor, a threaded shaft, a first connecting plate, a second connecting plate, a slide cylinder, a first threaded cylinder, a limiting ring, a spring and a gasket, the driving motor is fixedly installed at the bottom of the tool placement box, the threaded shaft is fixedly connected to the output end of the driving motor through a coupling, the first connecting plate is fixedly connected to the inner wall of the first guide frame, the second connecting plate is fixedly connected to the inner wall of the second guide frame, the slide cylinder is fixedly connected to the inner wall in the middle of the first connecting plate, and the inner wall of the slide cylinder is slidably connected to the outer wall of the threaded shaft, the first threaded cylinder is fixedly connected to the inner wall in the middle of the second connecting plate, and the inner wall of the first threaded cylinder is threadedly connected to the outer wall of the threaded shaft, the limiting ring is fixedly sleeved on the outer wall of one end of the threaded shaft, the spring is movably sleeved on the surface of the threaded shaft, the number of the gaskets is two, and the two gaskets are respectively slidably connected to the surface of the driving motor and the surface of the first connecting plate, and the surfaces of the two gaskets are respectively slidably connected to both ends of the spring.

[0012] Preferably, the traction brake dual auxiliary mechanism includes a lower connecting frame, an upper connecting frame, a frame shaft, a pulling frame, a first brake shaft, a first anti-slip sleeve, a pull piece, a pull ring, a first anti-slip pad, a second threaded cylinder, a threaded column, a hand wheel and a pressure relief sheet. The lower connecting frame is fixedly connected to the bottom of the mobile base frame, the upper connecting frame is fixedly connected to the inner bottom wall of the mobile base frame, and the lower connecting frame is fixedly connected to the upper connecting frame. The frame shaft is rotatably connected to the inner wall of the upper connecting frame, the pulling frame is fixedly sleeved on the surface of the frame shaft, the first brake shaft is fixedly connected to the inner wall of one end of the pulling frame, and the first anti-slip sleeve is fixed It is sleeved on the surface of the first brake shaft, and the pull tab is arranged below the lower connecting frame. The pull ring is fixedly connected to the inner wall of the pull tab, and the outer wall of the pull ring is slidably connected to the inner wall of the lower connecting frame, and the pull ring is movably sleeved on the surface of the frame shaft. The first anti-slip pad is fixedly fitted on the inner wall of the pull ring, and the surface of the first anti-slip pad is movably connected to the surface of the frame shaft. The second threaded tube is fixedly connected to the inner wall in the middle of the pull tab, and the threaded column is threadedly connected to the inner wall of the second threaded tube. The handwheel is fixedly sleeved on one end of the threaded column, and the pressure relief plate is fixedly connected to the end of the threaded column away from the handwheel.

[0013] Preferably, the supporting mechanism includes a side panel, a first rotating shaft, a supporting side foot, a second brake shaft, a second anti-slip sleeve, a second rotating shaft and a connecting rod. There are two side panels, and the two side panels are respectively fixedly connected to both sides of the first guide frame. The first rotating shaft is fixedly inserted into the inner wall of the side panel, the supporting side foot is rotatably connected to the outer wall of the first rotating shaft, the second brake shaft is fixedly inserted into the inner wall of the bottom end of the supporting side foot, the second anti-slip sleeve is fixedly sleeved on the outer wall of the second brake shaft, the second rotating shaft is fixedly inserted into the inner wall of the side panel, and the connecting rod is rotatably connected to the outer wall of the second rotating shaft.

[0014] The cam is connected to the second support frame by a spring, and the cam is connected to the second support frame by a spring, and the cam is connected to the second support frame by a spring.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The adjustable maintenance ladder for aviation maintenance is equipped with a tool placement mechanism, a climbing ladder standing mechanism, a lifting guide mechanism, a mobile carrying mechanism, a lifting drive mechanism, a traction brake dual auxiliary mechanism and a support mechanism. The height can be adjusted according to needs through the lifting guide mechanism, the mobile carrying mechanism and the lifting drive mechanism, and the climbing ladder standing mechanism can also facilitate maintenance personnel to go up and down, thereby improving the convenience of maintenance personnel when repairing and going up and down.

[0017] The adjustable maintenance ladder for aviation maintenance can form a parallelogram structure through the extension frame, lower parallel ladder board, upper parallel ladder board, ladder shaft, holding hole, wheel axle, first roller, seat cushion, footboard and hole plate, so as to ensure that the footboard is always parallel to the ground, making it convenient for maintenance personnel to get on and off and to sit and dock. The hole plate can be used to easily unload sand and gravel brought by the maintenance personnel's feet, avoiding slipping caused by residual sand and gravel on the surface of the footboard.

[0018] The adjustable maintenance ladder for aviation maintenance comprises a lower connecting frame, an upper connecting frame, a frame shaft, a pulling frame, a first brake shaft, a first anti-slip sleeve, a pull tab, a pull ring, a first anti-slip pad, a second threaded cylinder, a threaded column, a hand wheel and a pressure relief sheet. The friction between the first anti-slip pad and the frame shaft can be used to position the angle of the pulling frame, so that the pulling frame can be used as a gripping aid when tilting upwards and as a seat support to prevent slipping when tilting downwards as required.

[0019] The adjustable maintenance ladder for aviation maintenance, through the side panels, first rotating shaft, supporting side feet, second brake shaft, second anti-skid sleeve, second rotating shaft, connecting rod, guide slide, guide slider, brake strip, pressure frame, pressure foot, second anti-skid pad, stop block, spring and third rotating shaft, can facilitate the device to form the main support and anti-skid through the supporting side feet after the device is positioned, thereby preventing the device from sliding easily and ensuring the stability and support of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a side view of the present invention;

[0022] Figure 3 This is a schematic diagram of the explosion structure of the present invention;

[0023] Figure 4 This is a schematic structural diagram of the standing mechanism of the climbing ladder of the present invention;

[0024] Figure 5 This is a schematic diagram of the support mechanism structure of the present invention;

[0025] Figure 6 For the present invention Figure 2 Enlarged view of point A in the middle;

[0026] Figure 7 This is a schematic diagram of the surface structure of the guide slider of the present invention;

[0027] Figure 8 This is a schematic diagram of the connection structure between the guide slider and the guide carriage of the present invention;

[0028] Figure 9 This is a structural diagram of the mobile carrying mechanism of the present invention;

[0029] Figure 10 This is a schematic diagram of the structure of the lifting and guiding mechanism of the present invention;

[0030] Figure 11 This is a structural diagram of the lifting drive mechanism of the present invention;

[0031] Figure 12 This is a schematic structural diagram of the traction brake and stop dual auxiliary mechanism of the present invention;

[0032] Figure 13 This is a schematic diagram of the exploded structure of the traction brake double auxiliary mechanism of the present invention;

[0033] Figure 14 Schematic diagram of the tool placement mechanism structure of the present invention.

[0034] In the figure: 1001, tool storage box; 1002, box cover; 1003, partition grille; 2001, extension rack; 2002, lower parallel ladder board; 2003, upper parallel ladder board; 2004, ladder shaft; 2005, grip hole; 2006, axle; 2007, first roller; 2008, seat cushion; 2009, foot board; 2010, hole plate; 3001, first guide rack; 3002, second guide rack; 3003, upper parallel ladder board; 2004, ladder shaft; 2005, grip hole; 2006, axle; 2007, first roller; 2008, seat cushion; 2009, foot board; 2010, hole plate; 3001, first guide rack; 3002, second guide rack; 3003, upper parallel ladder board; 3 ... wheel axle; 2007, first roller; 2008, seat cushion; 2009, foot board; 2010, hole plate; 3 03, first guide groove; 3004, second guide groove; 3005, first limiting slider; 4001, movable base; 4002, second limiting slider; 4003, connecting wheel frame; 4004, rotating wheel frame; 4005, second roller; 5001, driving motor; 5002, threaded shaft; 5003, first connecting plate; 5004, second connecting plate; 5005, slide; 5006, first threaded cylinder; 50 07, limit ring; 5008, spring; 5009, gasket; 6001, lower connecting frame; 6002, upper connecting frame; 6003, frame shaft; 6004, pull frame; 6005, first brake shaft; 6006, first anti-slip sleeve; 6007, pull tab; 6008, pull ring; 6009, first anti-slip pad; 6010, second threaded barrel; 6011, threaded column; 6012, handwheel; 6013, pressure relief piece; 70 01. Side panel; 7002. First rotating shaft; 7003. Supporting side foot; 7004. Second brake shaft; 7005. Second anti-slip sleeve; 7006. Second rotating shaft; 7007. Connecting rod; 7008. Guide slide; 7009. Guide slider; 7010. Brake strip; 7011. Pressing frame; 7012. Presser foot; 7013. Second anti-slip pad; 7014. Stop block; 7015. Spring; 7016. Third rotating shaft. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] See also Figure 1-14, an adjustable maintenance ladder for aviation maintenance, comprising: a tool placement mechanism, a climbing ladder standing mechanism is provided on one side of the tool placement mechanism, a lifting guide mechanism is provided below the tool placement mechanism, a mobile carrying mechanism is provided at the bottom of the lifting guide mechanism, a lifting drive mechanism is provided inside the lifting guide mechanism, a traction brake double auxiliary mechanism is provided on one side of the mobile carrying mechanism, and support mechanisms are provided on both sides of the lifting guide mechanism. Through the tool placement mechanism, climbing ladder standing mechanism, lifting guide mechanism, mobile carrying mechanism, lifting drive mechanism, traction brake double auxiliary mechanism and support mechanism, the height can be adjusted according to needs through the lifting guide mechanism, mobile carrying mechanism and lifting drive mechanism, and the climbing ladder standing mechanism is used to facilitate maintenance personnel to go up and down, thereby improving the convenience of maintenance personnel when repairing and going up and down.

[0037] Among them; the tool placement mechanism includes a tool placement box 1001, a box cover 1002 and a partition fence 1003, the box cover 1002 is rotatably connected to the bottom of the tool placement box 1001, and the partition fence 1003 is slidably connected to the inside of the tool placement box 1001, so that maintenance personnel can place and store maintenance tools.

[0038] 2003 , the ladder stand mechanism includes an extension frame 2001, a lower parallel ladder plate 2002, an upper parallel ladder plate 2003, a ladder shaft 2004, a gripping hole 2005, an axle 2006 and a first roller 2007. The extension frame 2001 is integrally arranged on one side of the tool placement box 1001. The lower parallel ladder plate 2002 and the upper parallel ladder plate 2003 are both arranged inside the extension frame 2001. The lower parallel ladder plate 2002 is located below the upper parallel ladder plate 2003. The lower parallel ladder plate 2002 is parallel to the upper parallel ladder plate 2003. The number of the lower parallel ladder plate 2002 and the number of the upper parallel ladder plate 2003 are both two. The ladder shaft 2004 is provided on one side of the tool placement box 1001. The lower parallel ladder plate 2002 and the upper parallel ladder plate 2003 are provided on the inside of the extension frame 2001. It is fixedly inserted between the two lower parallel ladder plates 2002 and the two upper parallel ladder plates 2003, and the upper parallel ladder plates 2003 and the lower parallel ladder plates 2002 are rotatably connected to the extension frame 2001 through the ladder shaft 2004. The holding hole 2005 passes through the surface of the upper parallel ladder plate 2003, and the wheel axle 2006 is fixedly inserted into the inner wall of the bottom end of the upper parallel ladder plate 2003. The first roller 2007 is rotatably connected to the outer wall of the wheel axle 2006 through a bearing, so that a parallelogram structure can be formed by the extension frame 2001, the lower parallel ladder plate 2002, the upper parallel ladder plate 2003 and the foot plate 2009 to ensure that the foot plate 2009 is always parallel to the ground.

[0039] Among them, the climbing ladder standing mechanism also includes a seat cushion 2008, a foot plate 2009 and a perforated plate 2010. The seat cushion 2008 is fixedly mounted on the upper surface of the extension frame 2001, and the foot plate 2009 is rotatably connected to the outer wall of the ladder shaft 2004. There are multiple foot plates 2009, and multiple foot plates 2009 are all located between the two upper parallel ladder plates 2003, and multiple foot plates 2009 are all distributed parallel to the seat cushion 2008. The perforated plate 2010 is fixedly connected to the inner wall of the foot plate 2009, and a leakage hole is opened on the surface of the perforated plate 2010 to facilitate maintenance personnel to get on and off and to stop at the seat. The sand and gravel brought by the soles of the maintenance personnel's feet can be easily unloaded through the perforated plate 2010 to avoid slipping caused by residual sand and gravel on the surface of the foot plate 2009.

[0040] Among them, the lifting and lowering guide mechanism includes a first guide frame 3001, a second guide frame 3002, a first guide groove 3003, a second guide groove 3004 and a first limit slider 3005. The first guide frame 3001 is fixedly connected to the bottom of the tool placement box 1001, and the second guide frame 3002 is slidably connected to the inner wall of the first guide frame 3001. The first guide groove 3003 penetrates the surface of the first guide frame 3001, and the second guide groove 3004 penetrates the surface of the second guide groove 3004. The first limit slider 3005 is fixedly connected to the surface of the second guide frame 3002, and the outer wall of the first limit slider 3005 is slidably connected to the inner wall of the first guide groove 3003, so as to facilitate the guidance of the device when it is lifted and lowered, and avoid twisting of the upper and lower parts of the device.

[0041] Among them, the mobile carrying mechanism includes a mobile base frame 4001, a second limiting slider 4002, a connecting wheel frame 4003, a rotating wheel frame 4004 and a second roller 4005, the mobile base frame 4001 is slidingly connected to the inner wall of the second guide frame 3002, the second limiting slider 4002 is fixedly connected to the surface of the mobile base frame 4001, and the outer wall of the second limiting slider 4002 is slidingly connected to the inner wall of the second guide groove 3004, the connecting wheel frame 4003 is fixedly connected to the inner walls of the four corners of the mobile base frame 4001, the rotating wheel frame 4004 is rotatably connected to the bottom of the connecting wheel frame 4003, and the second roller 4005 is rotatably connected to the bottom of the rotating wheel frame 4004, so as to drive the device to move and facilitate the device to turn when moving.

[0042] Among them; the lifting drive mechanism includes a driving motor 5001, a threaded shaft 5002, a first connecting plate 5003, a second connecting plate 5004, a slide 5005, a first threaded cylinder 5006, a limiting ring 5007, a spring 5008 and a gasket 5009, the driving motor 5001 is fixedly installed at the bottom of the tool placement box 1001, the threaded shaft 5002 is fixedly connected to the output end of the driving motor 5001 through a coupling, the first connecting plate 5003 is fixedly connected to the inner wall of the first guide frame 3001, the second connecting plate 5004 is fixedly connected to the inner wall of the second guide frame 3002, the slide 5005 is fixedly connected to the inner wall in the middle of the first connecting plate 5003, and The inner wall of the slide 5005 is slidingly connected to the outer wall of the threaded shaft 5002, the first threaded cylinder 5006 is fixedly connected to the inner wall in the middle of the second connecting plate 5004, and the inner wall of the first threaded cylinder 5006 is threadedly connected to the outer wall of the threaded shaft 5002, the limiting ring 5007 is fixedly sleeved on the outer wall of one end of the threaded shaft 5002, the spring 5008 is movably sleeved on the surface of the threaded shaft 5002, there are two gaskets 5009, and the two gaskets 5009 are respectively slidingly connected to the surface of the drive motor 5001 and the surface of the first connecting plate 5003, and the surfaces of the two gaskets 5009 are respectively slidingly connected to both ends of the spring 5008 to facilitate the lifting and lowering of the drive device.

[0043] Among them, the traction brake dual auxiliary mechanism includes a lower connecting frame 6001, an upper connecting frame 6002, a frame shaft 6003, a pulling frame 6004, a first brake shaft 6005, a first anti-slip sleeve 6006, a pull tab 6007, a pull ring 6008, a first anti-slip pad 6009, a second threaded cylinder 6010, a threaded column 6011, a hand wheel 6012 and a pressure relief sheet 6013, the lower connecting frame 6001 is fixedly connected to the bottom of the mobile base frame 4001, the upper connecting frame 6002 is fixedly connected to the inner bottom wall of the mobile base frame 4001, and the lower connecting frame 600 1 is fixedly connected to the upper connecting frame 6002, the frame shaft 6003 is rotatably connected to the inner wall of the upper connecting frame 6002, the pull frame 6004 is fixedly sleeved on the surface of the frame shaft 6003, the first brake shaft 6005 is fixedly connected to the inner wall of one end of the pull frame 6004, the first anti-slip sleeve 6006 is fixedly sleeved on the surface of the first brake shaft 6005, the pull tab 6007 is arranged below the lower connecting frame 6001, the pull ring 6008 is fixedly connected to the inner wall of the pull tab 6007, and the outer wall of the pull ring 6008 is slidably connected to the inner wall of the lower connecting frame 6001, and the pull ring 6008 is movably sleeved on the surface of the frame shaft 6003, the first anti-skid pad 6009 is fixedly attached to the inner wall of the pull ring 6008, and the surface of the first anti-skid pad 6009 is movably connected to the surface of the frame shaft 6003, the second threaded cylinder 6010 is fixedly connected to the inner wall in the middle of the pull tab 6007, the threaded column 6011 is threadedly connected to the inner wall of the second threaded cylinder 6010, the handwheel 6012 is fixedly sleeved on one end of the threaded column 6011, and the pressure relief sheet 6013 is fixedly connected to the end of the threaded column 6011 away from the handwheel 6012, through the lower connection set The connecting frame 6001, the upper connecting frame 6002, the frame shaft 6003, the pulling frame 6004, the first brake shaft 6005, the first anti-slip sleeve 6006, the pull tab 6007, the pull ring 6008, the first anti-slip pad 6009, the second threaded cylinder 6010, the threaded column 6011, the handwheel 6012 and the pressure relief plate 6013 can utilize the friction between the first anti-slip pad 6009 and the frame shaft 6003 to position the angle of the pulling frame 6004, so that the pulling frame 6004 can be used as a pulling grip aid when tilting up, and as a seat support to prevent slipping when tilting down.

[0044] Among them, the supporting mechanism includes a side plate 7001, a first rotating shaft 7002, a supporting side foot 7003, a second brake shaft 7004, a second anti-slip sleeve 7005, a second rotating shaft 7006 and a connecting rod 7007. There are two side plates 7001, and the two side plates 7001 are fixedly connected to both sides of the first guide frame 3001. The first rotating shaft 7002 is fixedly plugged into the inner wall of the side plate 7001, and the supporting side foot 7003 is rotatably connected to the outer wall of the first rotating shaft 7002. The second brake shaft 7004 is fixedly inserted into the inner wall of the bottom end of the supporting side foot 7003, the second anti-slip sleeve 7005 is fixedly sleeved on the outer wall of the second brake shaft 7004, the second rotating shaft 7006 is fixedly inserted into the inner wall of the side panel 7001, and the connecting rod 7007 is rotatably connected to the outer wall of the second rotating shaft 7006, so as to form a stable triangular support through the supporting side foot 7003, reduce the force on the threaded shaft 5002 during construction, ensure the stability of the device, and ensure the construction safety of maintenance personnel.

[0045] Among them, the supporting mechanism also includes a guide slide 7008, a guide slider 7009, a brake strip 7010, a pressure frame 7011, a pressure foot 7012, a second anti-slip pad 7013, a stop block 7014, a spring 7015 and a third rotating shaft 7016. The guide slide 7008 is fixedly connected to the surface of the side plate 7001, the guide slider 7009 is slidably connected to the inner wall of the guide slide 7008, and the brake strip 7010 is integrally provided on the surface of the guide slide 7008. The pressure frame 7011 is rotatably connected to the surface of the guide slider 7009, and the number of pressure frames 7011 on the surface of each guide slider 7009 is two. The presser foot 7012 is rotatably connected to one end of the pressure frame 7011. The second anti-slip pad 7013 is fixedly attached to the surface of the presser foot 7012, and the second anti-slip pad 7013 is movably connected to the brake strip 7010. The stop block 7014 is rotatably connected to the surface of the guide slider 7009, and the stop block 7014 is located between the two pressure frames. 7011, the spring 7015 is fixedly connected to the surface of the guide slider 7009, and the surface of the spring 7015 is slidably connected to the surface of the pressure frame 7011, the third shaft 7016 is fixedly inserted on one side of the guide slider 7009, and the outer wall of the third shaft 7016 is rotatably connected to the end of the connecting rod 7007 away from the second shaft 7006, through the side plate 7001, the first shaft 7002, the supporting side foot 7003, the second brake shaft 700 4. The second anti-slip sleeve 7005, the second rotating shaft 7006, the connecting rod 7007, the guide slide 7008, the guide slider 7009, the brake strip 7010, the pressure frame 7011, the pressure foot 7012, the second anti-slip pad 7013, the block 7014, the spring 7015 and the third rotating shaft 7016 can facilitate the device to form the main support and anti-slip through the supporting side feet 7003 after positioning, prevent the device from sliding easily, and ensure the stability and support of the device.

[0046] Working principle: when in use, rotate the block 7014 so that the block 7014 turns longitudinally, the spring 7015 squeezes the pressure frame 7011 to move toward the middle, the pressure foot 7012 drives the second anti-skid pad 7013 to separate from the brake strip 7010, and the guide slider 7009 can slide normally, and then rotate the supporting side foot 7003 upward. When the supporting side foot 7003 rotates, it pushes the side plate 7001 to slide along the guide slide 7008 through the connecting rod 7007. After the bottom of the supporting side foot 7003 is lifted off the ground, rotate the block 7014 so that the block 7014 014 turns horizontally, and when the stop block 7014 turns back, it squeezes the pressure frames 7011 at both ends and pushes them outward. The pressure foot 7012 drives the second anti-slip pad 7013 to fit tightly against the brake strip 7010, thereby positioning the guide slider 7009 and locking the lifting position of the pressure foot 7012. Then, the hand wheel 6012 is twisted to move the threaded column 6011 downward, and the squeezing of the pull ring 6008 on the frame shaft 6003 is loosened. Then, by holding the first brake shaft 6005, the pull frame 6004 is pulled, thereby driving the device to move to the position to be repaired and reaching the designated position. After the tool box 1001 is positioned, the driving motor 5001 is started, and the threaded shaft 5002 of the driving motor 5001 drives the threaded shaft 5002 to rotate. The threaded shaft 5002 pushes the first threaded cylinder 5006 through rotation, so that the tool box 1001 is lifted. After the tool box 1001 is lifted to a specified height, the driving motor 5001 is stopped, and then the block 7014 is rotated again to turn the block 7014 horizontally, and the supporting side foot 7003 is rotated to make the second anti-slip cover 7005 reach the ground, and the supporting side foot 7003 forms a support, and then Rotate the block 7014 so that it turns longitudinally, thereby locking the supporting side foot 7003, and then rotate the pull frame 6004 downward to form a support with the ground through the first brake shaft 6005, and then twist the handwheel 6012 to move the threaded column 6011 upward, the pull tab 6007 is pushed down, and the pull ring 6008 drives the first anti-slip pad 6009 to pull down synchronously to fix the frame shaft 6003, thereby forming the positioning of the pull frame 6004, and then the maintenance personnel rise to the designated position through the foot plate 2009 to perform maintenance work.

[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable maintenance ladder for aviation maintenance, characterized in that: include: A tool placement mechanism, wherein a climbing ladder standing mechanism is provided on one side of the tool placement mechanism, a lifting guide mechanism is provided below the tool placement mechanism, a mobile carrying mechanism is provided at the bottom of the lifting guide mechanism, a lifting drive mechanism is provided inside the lifting guide mechanism, a traction brake dual auxiliary mechanism is provided on one side of the mobile carrying mechanism, and support mechanisms are provided on both sides of the lifting guide mechanism; The tool placement mechanism comprises a tool placement box (1001), a box cover (1002) and a partition fence (1003), wherein the box cover (1002) is rotatably connected to the bottom of the tool placement box (1001), and the partition fence (1003) is slidably connected to the interior of the tool placement box (1001); The climbing ladder standing mechanism comprises an extension frame (2001), a lower parallel ladder plate (2002), an upper parallel ladder plate (2003), a ladder shaft (2004), a gripping hole (2005), an axle (2006) and a first roller (2007), wherein the extension frame (2001) is integrally arranged on one side of the tool placement box (1001), the lower parallel ladder plate (2002) and the upper parallel ladder plate (2003) are both arranged inside the extension frame (2001), and the lower parallel ladder plate (2002) is located below the upper parallel ladder plate (2003), and the lower parallel ladder plate (2002) and the upper parallel ladder plate (2003) are distributed in parallel, and the lower parallel ladder plate (2002) and the upper parallel ladder plate (2003) are arranged in parallel. The number of the plates (2002) and the number of the upper parallel ladder plates (2003) are both two, the ladder shaft (2004) is fixedly inserted between the two lower parallel ladder plates (2002) and between the two upper parallel ladder plates (2003), and the upper parallel ladder plates (2003) and the lower parallel ladder plates (2002) are both rotatably connected to the extension frame (2001) through the ladder shaft (2004), the holding hole (2005) is penetrated and opened on the surface of the upper parallel ladder plates (2003), the wheel shaft (2006) is fixedly inserted into the inner wall of the bottom end of the upper parallel ladder plates (2003), and the first roller (2007) is rotatably connected to the outer wall of the wheel shaft (2006) through the bearing; The climbing ladder standing mechanism further comprises a seat cushion (2008), a foot plate (2009) and a perforated plate (2010), wherein the seat cushion (2008) is fixedly mounted on the upper surface of the extension frame (2001), the foot plate (2009) is rotatably connected to the outer wall of the ladder shaft (2004), and there are multiple foot plates (2009), and the multiple foot plates (2009) are all located between the two upper parallel ladder plates (2003), and the multiple foot plates (2009) are all distributed parallel to the seat cushion (2008), and the perforated plate (2010) is fixedly connected to the inner wall of the foot plate (2009), and a leakage hole is opened through the surface of the perforated plate (2010); The lifting guide mechanism comprises a first guide frame (3001), a second guide frame (3002), a first guide groove (3003), a second guide groove (3004) and a first limiting slide block (3005), wherein the first guide frame (3001) is fixedly connected to the bottom of the tool placement box (1001), the second guide frame (3002) is slidably connected to the inner wall of the first guide frame (3001), the first guide groove (3003) passes through the surface of the first guide frame (3001), the second guide groove (3004) passes through the surface of the second guide groove (3004), the first limiting slide block (3005) is fixedly connected to the surface of the second guide frame (3002), and the outer wall of the first limiting slide block (3005) is slidably connected to the inner wall of the first guide groove (3003).

2. The adjustable maintenance ladder for aviation maintenance according to claim 1, characterized in that: The mobile supporting mechanism comprises a mobile base (4001), a second limiting slider (4002), a connecting wheel frame (4003), a rotating wheel frame (4004) and a second roller (4005); the mobile base (4001) is slidably connected to the inner wall of the second guide frame (3002); the second limiting slider (4002) is fixedly connected to the surface of the mobile base (4001); and the outer wall of the second limiting slider (4002) is slidably connected to the inner wall of the second guide groove (3004); the connecting wheel frame (4003) is fixedly connected to the inner walls of the four corners of the mobile base (4001); the rotating wheel frame (4004) is rotatably connected to the bottom of the connecting wheel frame (4003); and the second roller (4005) is rotatably connected to the bottom of the rotating wheel frame (4004).

3. The adjustable maintenance ladder for aviation maintenance according to claim 2, characterized in that: The lifting drive mechanism comprises a driving motor (5001), a threaded shaft (5002), a first connecting plate (5003), a second connecting plate (5004), a slide cylinder (5005), a first threaded cylinder (5006), a limiting ring (5007), a spring (5008) and a gasket (5009), wherein the driving motor (5001) is fixedly mounted on the bottom of the tool placement box (1001), the threaded shaft (5002) is fixedly connected to the output end of the driving motor (5001) via a coupling, the first connecting plate (5003) is fixedly connected to the inner wall of the first guide frame (3001), the second connecting plate (5004) is fixedly connected to the inner wall of the second guide frame (3002), the slide cylinder (5005) is fixedly connected to the first connecting plate (5001), and the second connecting plate (5004) is fixedly connected to the inner wall of the second guide frame (3002). 3) the inner wall in the middle, and the inner wall of the slide cylinder (5005) is slidably connected to the outer wall of the threaded shaft (5002), the first threaded cylinder (5006) is fixedly connected to the inner wall in the middle of the second connecting plate (5004), and the inner wall of the first threaded cylinder (5006) is threadedly connected to the outer wall of the threaded shaft (5002), the limiting ring (5007) is fixedly sleeved on the outer wall of one end of the threaded shaft (5002), the spring (5008) is movably sleeved on the surface of the threaded shaft (5002), the number of the gaskets (5009) is two, and the two gaskets (5009) are respectively slidably connected to the surface of the drive motor (5001) and the surface of the first connecting plate (5003), and the surfaces of the two gaskets (5009) are respectively slidably connected to both ends of the spring (5008).

4. The adjustable maintenance ladder for aviation maintenance according to claim 2, characterized in that: The traction brake dual auxiliary mechanism comprises a lower connecting frame (6001), an upper connecting frame (6002), a frame shaft (6003), a pulling frame (6004), a first brake shaft (6005), a first anti-slip sleeve (6006), a pull piece (6007), a pull ring (6008), a first anti-slip pad (6009), a second threaded cylinder (6010), a threaded column (6011), a hand wheel (6012) and a pressure relief plate (6013). The lower connecting frame (6001) is fixedly connected to the upper connecting frame (6002). The bottom of the movable base frame (4001), the upper connecting frame (6002) is fixedly connected to the inner bottom wall of the movable base frame (4001), and the lower connecting frame (6001) is fixedly connected to the upper connecting frame (6002), the frame shaft (6003) is rotatably connected to the inner wall of the upper connecting frame (6002), the pulling frame (6004) is fixedly sleeved on the surface of the frame shaft (6003), the first brake shaft (6005) is fixedly connected to the inner wall of one end of the pulling frame (6004), and the first anti- The sliding sleeve (6006) is fixedly sleeved on the surface of the first brake shaft (6005), the pull tab (6007) is arranged below the lower connecting frame (6001), the pull ring (6008) is fixedly connected to the inner wall of the pull tab (6007), and the outer wall of the pull ring (6008) is slidably connected to the inner wall of the lower connecting frame (6001), and the pull ring (6008) is movably sleeved on the surface of the frame shaft (6003), and the first anti-slip pad (6009) is fixedly attached to the pull ring (6008). The inner wall of the pull tab (6007) is fixedly connected to the inner wall of the pull tab (6007), and the surface of the first anti-slip pad (6009) is movably connected to the surface of the frame shaft (6003). The second threaded cylinder (6010) is fixedly connected to the inner wall in the middle of the pull tab (6007). The threaded column (6011) is threadedly connected to the inner wall of the second threaded cylinder (6010). The handwheel (6012) is fixedly sleeved on one end of the threaded column (6011). The pressure relief plate (6013) is fixedly connected to the end of the threaded column (6011) away from the handwheel (6012).

5. The adjustable maintenance ladder for aviation maintenance according to claim 1, characterized in that: The support mechanism comprises a side plate (7001), a first rotating shaft (7002), a supporting side foot (7003), a second brake shaft (7004), a second anti-slip sleeve (7005), a second rotating shaft (7006) and a connecting rod (7007). The number of the side plates (7001) is two, and the two side plates (7001) are respectively fixedly connected to the two sides of the first guide frame (3001). The first rotating shaft (7002) is fixedly plugged into the side plates (7001). The inner wall of the supporting side foot (7003) is rotatably connected to the outer wall of the first rotating shaft (7002), the second brake shaft (7004) is fixedly plugged into the inner wall of the bottom end of the supporting side foot (7003), the second anti-slip sleeve (7005) is fixedly sleeved on the outer wall of the second brake shaft (7004), the second rotating shaft (7006) is fixedly plugged into the inner wall of the side plate (7001), and the connecting rod (7007) is rotatably connected to the outer wall of the second rotating shaft (7006).

6. The adjustable maintenance ladder for aviation maintenance according to claim 5, characterized in that: The support mechanism further comprises a guide slide (7008), a guide slider (7009), a brake strip (7010), a pressure frame (7011), a presser foot (7012), a second anti-slip pad (7013), a stop block (7014), a spring (7015) and a third rotating shaft (7016), wherein the guide slide (7008) is fixedly connected to the surface of the side plate (7001), the guide slider (7009) is slidably connected to the inner wall of the guide slide (7008), the brake strip (7010) is integrally arranged on the surface of the guide slide (7008), the pressure frame (7011) is rotatably connected to the surface of the guide slider (7009), and the number of pressure frames (7011) on the surface of each guide slider (7009) is two, and the presser foot (7012) is fixedly connected to the surface of the side plate (7001), the guide slider (7009) is slidably connected to the inner wall of the guide slide (7008), the brake strip (7010) is integrally arranged on the surface of the guide slide (7008), the pressure frame (7011) is rotatably connected to the surface of the guide slider (7009), and each guide slider (7009) has two pressure frames (7011) on its surface. ) is rotatably connected to one end of the pressure frame (7011), the second anti-slip pad (7013) is fixedly attached to the surface of the presser foot (7012), and the second anti-slip pad (7013) is movably connected to the brake strip (7010), the stop block (7014) is rotatably connected to the surface of the guide slider (7009), and the stop block (7014) is located between the two pressure frames (7011), the spring (7015) is fixedly connected to the surface of the guide slider (7009), and the surface of the spring (7015) is slidably connected to the surface of the pressure frame (7011), the third rotating shaft (7016) is fixedly inserted into one side of the guide slider (7009), and the outer wall of the third rotating shaft (7016) is rotatably connected to the end of the connecting rod (7007) away from the second rotating shaft (7006).

Images