CN214456650U

CN214456650U - Aircraft maintenance work ladder

Info

Publication number: CN214456650U
Application number: CN202120450998.0U
Authority: CN
Inventors: 王锡岭; 白杨; 王雨峰; 李金燕; 王天斌
Original assignee: Jiangsu Jiaotong College
Current assignee: Jiangsu Jiaotong College
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-22
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a work ladder technical field just discloses an aircraft maintenance work ladder, comprising a base plate, the top fixed mounting of bottom plate has elevating gear, elevating gear's top fixed mounting has the bearing plate, the equal movable mounting in top front side and the rear side of bearing plate has first rail. This aircraft maintenance work ladder, after the maintenance is accomplished, the user opens rising device and makes it descend, the side pull movable rod makes the movable rod drive the joint left motion left, the joint gives fixed block pressure and makes compression spring compression, at this moment, the joint breaks away from inside the spread groove, upwards mention the second rail alright dismantle the second rail get off, because first rail movable mounting is on the bearing plate, so first rail has left the constraint of second rail alright folding, thus, thereby avoided aircraft maintenance work ladder bulky influence staff work efficiency, thereby also can not occupation more space and cause the waste of resource, the user use has been made things convenient for.

Description

Aircraft maintenance work ladder

Technical Field

The utility model relates to a work ladder technical field specifically is an aircraft maintenance work ladder.

Background

When large-scale equipment is maintained or assembled, a working platform is often needed to be used, maintenance personnel need to approach various parts of an airplane during airplane maintenance work, wherein the parts include landing gears, wheel cabins, airplane flaps and the like, the parts needing to be maintained are located in different places of the airplane and are different in height, and the maintenance personnel generally need to use an airplane maintenance working ladder when approaching the parts.

The existing airplane maintenance work ladder is large in size and heavy, when an airplane does not need maintenance, the work ladder is not convenient to disassemble and assemble and store, blocking is caused to workers, the working efficiency of the workers is influenced, occupied space is large, waste of resources is caused, and accordingly the airplane maintenance work ladder is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an aircraft maintenance work ladder possesses the dismouting of being convenient for and accomodates etc. and has solved current aircraft maintenance work ladder bulky and heavy, and when the aircraft need not maintain, the work ladder is not convenient for the dismouting accomodate, has caused the hindrance to the staff, influences staff work efficiency, and occupation space is more, causes the problem of the waste of resource.

(II) technical scheme

For the purpose of realizing the dismouting of being convenient for and accomodating of the aforesaid, the utility model provides a following technical scheme: an aircraft maintenance working ladder comprises a bottom plate, wherein a lifting device is fixedly mounted at the top of the bottom plate, a bearing plate is fixedly mounted at the top of the lifting device, a first rail is movably mounted at the front side and the rear side of the top of the bearing plate, a second rail with one end in contact with the first rail is movably mounted at the left side of the top of the bearing plate and positioned at the first rail, a positioning block with one end extending into the bearing plate is fixedly mounted at the bottom of the second rail, a connecting groove is formed in the first rail, movable grooves are formed in the front side and the rear side of the inner part of the second rail, a through hole with one end penetrating through and extending into the movable grooves is formed in the top of the second rail, a cross rod with one end fixedly connected with the left side of the inner wall of the movable grooves is fixedly mounted at the right side of the inner wall of the movable grooves, and a moving rod with one end penetrating through and extending above the second rail is sleeved outside the cross rod, the bottom fixed mounting of carriage release lever has one end to run through second rail and first rail and extend to the inside movable rod of spread groove, the interior diapire fixed mounting in movable groove has the spout, the bottom fixed mounting of movable rod has one end to extend to the inside slider of spout, the right side fixed mounting of movable rod has the joint, the equal fixed mounting of interior roof and the interior diapire of spread groove has the protecting crust, the equal fixed mounting in the relative one side of inner wall of protecting crust has compression spring, the equal fixed mounting in the relative one side of compression spring has the fixed block that one end and joint contacted.

Preferably, the bottom plate and the lifting device are made of aluminum alloy, and four corners of the bottom plate are fixedly provided with self-locking universal wheels.

Preferably, the top of bearing plate is seted up with the recess of locating piece looks adaptation, the top of bearing plate just is located second rail left side fixed mounting and has the stopper, the left side fixed mounting of second rail has the stabilizer bar that one end and stopper contacted.

Preferably, the first rail and the second rail are both made of stainless steel, and a through hole matched with the movable rod is formed in the left side of the first rail.

Preferably, the right side of the second rail is provided with a jack matched with the movable rod, and the inside of the movable rod is provided with a movable hole matched with the cross rod.

Preferably, the sliding block is matched with the sliding groove, and the anti-skidding sleeve is sleeved outside the moving rod.

(III) advantageous effects

Compared with the prior art, the utility model provides an aircraft maintenance work ladder possesses following beneficial effect:

in the airplane maintenance working ladder, a user pushes the bottom plate to the position below the airplane to be maintained through the self-locking universal wheel arranged at the bottom of the bottom plate, at the moment, the user fixes the self-locking universal wheel and moves towards the inside of the bearing plate, the lifting device is started to lift, after the maintenance is finished, the user starts the lifting device to descend, pulls the moving rod to the left side to drive the clamping joint to move leftwards, the clamping joint applies pressure to the fixed block to compress the compression spring, at the moment, the clamping joint is separated from the inside of the connecting groove, the second fence can be detached by lifting the second fence upwards, because the first fence is movably arranged on the bearing plate, the first fence can be folded after being separated from the constraint of the second fence, therefore, the problem that the working efficiency of workers is influenced due to the fact that the size of the airplane maintenance working ladder is large is avoided, more space cannot be occupied, resource waste is caused, and the airplane maintenance working ladder is convenient to use for a user.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a base plate 1, a lifting device 2, a bearing plate 3, a first rail 4, a second rail 5, a positioning block 6, a connecting groove 7, a movable groove 8, a through hole 9, a cross rod 10, a movable rod 11, a movable rod 12, a sliding groove 13, a sliding block 14, a clamping joint 15, a protective shell 16, a compression spring 17 and a fixing block 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an aircraft maintenance working ladder comprises a base plate 1, a lifting device 2 is fixedly installed at the top of the base plate 1, the base plate 1 and the lifting device 2 are made of aluminum alloy, self-locking universal wheels are fixedly installed at four corners of the bottom of the base plate 1, a bearing plate 3 is fixedly installed at the top of the lifting device 2, first rails 4 are movably installed at the front side and the rear side of the top of the bearing plate 3, a second rail 5 is movably installed at the top of the bearing plate 3 and positioned at the left side of the first rail 4, one end of the second rail 5 is in contact with the first rail 4, a positioning block 6 is fixedly installed at the bottom of the second rail 5, one end of the positioning block extends into the bearing plate 3, a groove matched with the positioning block 6 is formed at the top of the bearing plate 3, a limiting block is fixedly installed at the top of the bearing plate 3 and positioned at the left side of the second rail 5, the first rail 4 and the second rail 5 are made of stainless steel, a stabilizing bar is fixedly installed at the left side of the second rail 5, one end of the stabilizing block is in contact with the limiting block, the inside of the first fence 4 is provided with a connecting groove 7, the front side and the rear side of the inside of the second fence 5 are both provided with movable grooves 8, the top of the second fence 5 is provided with a perforation 9, one end of the perforation is penetrated through and extends to the inside of the movable groove 8, the right side of the inner wall of the movable groove 8 is fixedly provided with a cross rod 10, one end of the cross rod is fixedly connected with the left side of the inner wall of the movable groove 8, the outside of the cross rod 10 is sleeved with a movable rod 11, one end of the movable rod 11 is penetrated through the perforation 9 and extends to the upper side of the second fence 5, the outside of the movable rod 11 is sleeved with an anti-skid sleeve, the bottom of the movable rod 11 is fixedly provided with a movable rod 12, one end of the movable rod 12 is penetrated through the second fence 5 and the first fence 4 and extends to the inside of the connecting groove 7, the left side of the first fence 4 is provided with a through hole matched with the movable rod 12, the right side of the second fence 5 is provided with a jack matched with the movable rod 12, the movable hole matched with the cross rod 10, a sliding groove 13 is fixedly arranged on the inner bottom wall of the movable groove 8, a sliding block 14 with one end extending into the sliding groove 13 is fixedly arranged at the bottom of the movable rod 12, the sliding block 14 is matched with the sliding groove 13, a clamping joint 15 is fixedly arranged at the right side of the movable rod 12, a protective shell 16 is fixedly arranged on the inner top wall and the inner bottom wall of the connecting groove 7, a compression spring 17 is fixedly arranged at one side opposite to the inner wall of the protective shell 16, a fixed block 18 with one end contacting with the clamping joint 15 is fixedly arranged at one side opposite to the compression spring 17, a user pushes the bottom plate 1 to the position below the airplane needing maintenance position through a self-locking universal wheel arranged at the bottom of the bottom plate 1, at the moment, the user fixes the self-locking universal wheel and moves towards the inside of the bearing plate 3, the lifting device 2 is opened to lift, after the maintenance is completed, the user opens the lifting device 2 to descend, the movable rod 11 is pulled to the left to drive the clamping joint 15 to move, joint 15 gives fixed block 18 pressure to make compression spring 17 compress, at this moment, joint 15 breaks away from inside spread groove 7, upwards mention second rail 5 alright dismantle second rail 5, because 4 movable mounting of first rail are on bearing plate 3, so first rail 4 has left the constraint of second rail 5 alright folding, so, thereby it influences staff work efficiency to have avoided the aircraft maintenance work ladder bulky, thereby can not occupy more space and cause the waste of resource yet, user's use has been made things convenient for.

In conclusion, according to the aircraft maintenance working ladder, a user pushes the bottom plate 1 to the position below a position where the aircraft needs to be maintained through the self-locking universal wheel arranged at the bottom of the bottom plate 1, at the moment, the user fixes the self-locking universal wheel and moves towards the inside of the bearing plate 3, the lifting device 2 is opened, after the maintenance is completed, the user opens the lifting device 2 to descend, the moving rod 11 is pulled to the left side to enable the moving rod 12 to drive the clamping joint 15 to move leftwards, the clamping joint 15 applies pressure to the fixing block 18 to enable the compression spring 17 to compress, at the moment, the clamping joint 15 is separated from the inside of the connecting groove 7, the second fence 5 can be detached by lifting the second fence 5 upwards, and as the first fence 4 is movably arranged on the bearing plate 3, the first fence 4 can be folded after being separated from the constraint of the second fence 5, so that the aircraft maintenance working ladder is prevented from being large in size and affecting the working efficiency of workers, thereby also can not occupy more space and cause the waste of resource, made things convenient for the user to use, solved current aircraft maintenance work ladder bulky and heavy, when the aircraft need not maintain, the work ladder is not convenient for the dismouting to be accomodate, has caused the hindrance to the staff, influences staff work efficiency, and occupation space is more, causes the problem of the waste of resource.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An aircraft maintenance work ladder, includes bottom plate (1), its characterized in that: the top fixed mounting of bottom plate (1) has hoisting device (2), the top fixed mounting of hoisting device (2) has bearing plate (3), the top front side and the equal movable mounting in rear side of bearing plate (3) have first rail (4), the top of bearing plate (3) just is located first rail (4) and has second rail (5) that left side movable mounting has one end to contact with first rail (4), the bottom fixed mounting of second rail (5) has one end to extend to inside locating piece (6) of bearing plate (3), spread groove (7) have been seted up to the inside of first rail (4), movable groove (8) have all been seted up to both sides around the inside of second rail (5), the top of second rail (5) is seted up one end and is run through and extend to inside perforation (9) in movable groove (8), the inner wall right side fixed mounting in movable groove (8) has one end and movable groove (8) inner wall left side fixed connection's of movable groove (8) spread groove (9) A cross bar (10), a moving rod (11) with one end penetrating through the perforation (9) and extending to the upper part of the second fence (5) is sleeved outside the cross bar (10), a movable rod (12) with one end penetrating through the second fence (5) and the first fence (4) and extending into the connecting groove (7) is fixedly arranged at the bottom of the movable rod (11), a sliding groove (13) is fixedly arranged on the inner bottom wall of the movable groove (8), a sliding block (14) with one end extending into the sliding groove (13) is fixedly arranged at the bottom of the movable rod (12), a clamping joint (15) is fixedly arranged on the right side of the movable rod (12), protective shells (16) are fixedly arranged on the inner top wall and the inner bottom wall of the connecting groove (7), a compression spring (17) is fixedly arranged on one side opposite to the inner wall of the protective shell (16), and one side opposite to the compression spring (17) is fixedly provided with a fixed block (18) with one end contacted with the clamping joint (15).

2. An aircraft maintenance work ladder as claimed in claim 1, wherein: the bottom plate (1) and the lifting device (2) are both made of aluminum alloy, and four corners of the bottom plate (1) are both fixedly provided with self-locking universal wheels.

3. An aircraft maintenance work ladder as claimed in claim 1, wherein: the recess with locating piece (6) looks adaptation is seted up at the top of bearing plate (3), the top of bearing plate (3) just is located second rail (5) left side fixed mounting and has the stopper, the left side fixed mounting of second rail (5) has the stabilizer bar that one end and stopper contacted.

4. An aircraft maintenance work ladder as claimed in claim 1, wherein: first rail (4) and second rail (5) are the stainless steel, the through-hole with movable rod (12) looks adaptation is seted up in the left side of first rail (4).

5. An aircraft maintenance work ladder as claimed in claim 1, wherein: the right side of the second fence (5) is provided with a jack matched with the movable rod (12), and the inside of the movable rod (11) is provided with a movable hole matched with the cross rod (10).

6. An aircraft maintenance work ladder as claimed in claim 1, wherein: the sliding block (14) is matched with the sliding groove (13), and an anti-slip sleeve is sleeved outside the moving rod (11).