CN203114145U - Auxiliary working ladder for rear equipment compartment of airplane - Google Patents
Auxiliary working ladder for rear equipment compartment of airplane Download PDFInfo
- Publication number
- CN203114145U CN203114145U CN 201220569831 CN201220569831U CN203114145U CN 203114145 U CN203114145 U CN 203114145U CN 201220569831 CN201220569831 CN 201220569831 CN 201220569831 U CN201220569831 U CN 201220569831U CN 203114145 U CN203114145 U CN 203114145U
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- Prior art keywords
- equipment compartment
- crane
- support
- back work
- workbench
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Abstract
The utility model belongs to auxiliary tools of an airplane, and particularly relates to an auxiliary working ladder for a rear equipment compartment of an airplane. The auxiliary working ladder comprises a support, a lifting frame and a workbench, wherein the lifting frame is movably supported on the support and does lifting movement between the initial position and the working position relatively to the support; the workbench is positioned at the top of the lifting frame and provided with a skylight communicated with the lifting frame and a workbench top capable of enabling an operator to stand on; at the initial position, at least one part of the lifting frame is retracted back to the support so as to facilitate storage; and at the working position, at least one part of the lifting frame extends out of the support so as to enable the workbench to enter the rear equipment compartment of the airplane. The lifting frame can do lifting movement relatively to the support arranged on the ground, so that the workbench can be conveniently conveyed in the compartment to achieve the working height, and in not use, the lifting frame can be retracted back to the support so as to reduce the occupation space due to storage.
Description
Technical field
The utility model relates to that aircraft is auxiliary uses equipment, especially, relates to equipment compartment back work ladder behind a kind of aircraft.
Background technology
The civil aircraft of different type of machines can be according to self-demand, when design to quantity, position and the cabin of equipment compartment in the space carry out unique design.In the current type that has a back equipment compartment, it is big that its equipment compartment great majority have a hatch door, and therefore the little characteristics in the space cabin in are used to have the back work ladder now and can reach requirement in operation.Yet, for some secondary-line-aircrafts, need in the equipment compartment thereafter to load a large amount of component and the equipment that aircraft is used, so the big and very little difficult situation of idle space in space occurred in the cabin.In addition, for this class aircraft, the hatch door area that enters the back equipment compartment is also less relatively.Therefore and the working platform of existing back work ladder is bigger, can't enter fully in the cabin of equipment compartment after the type, and special needs are finished after in the equipment compartment under the situation of the work of depths, eminence, existing back work ladder is at a loss what to do especially.
The utility model content
Therefore, an object of the present invention is to provide equipment compartment back work ladder behind a kind of novel aircraft, another purpose provides a kind ofly can enter that hatch door is little, in the cabin space big and in the back equipment compartment that idle space is little and the handled easily personnel carry out equipment compartment back work ladder behind the aircraft of depth in the cabin or vertical eminence work.
For this reason, according to an aspect of the present utility model, provide equipment compartment back work ladder behind a kind of aircraft, it comprises: support; Crane, it is supported on the described support movably, and does elevating movement between with respect to the initial position of described support and operating position; Workbench, it is positioned at the top of described crane, and described workbench has can stand thereon table top of the skylight that communicates with described crane and operator; At described initial position, described crane is at least part of to be withdrawn into described support so that deposit; In described operating position, described crane is at least part of to be stretched out the outer so that described workbench of described support and enters behind the aircraft in the equipment compartment.
Of the present utility model aspect this, because the support that crane can be opposite to ground is mutually done elevating movement, thus crane can send into workbench in the cabin easily and arrive working depth, and when not using, crane can be withdrawn into support again, deposits shared space thereby reduce.
Preferably, equipment compartment also comprises hydraulic means with the back work ladder behind this aircraft, and described hydraulic means comprises the hydraulic cylinder that is fixed in described support and the piston rod that is used for the described crane of contact.Because the existence of hydraulic means, the lifting of crane is transported very light.
Preferably, described workbench comprises the casing part with described skylight and the sliding platform that is used for providing described table top, described sliding platform is installed in described casing part slidably, and along continuous straight runs is slidably between with respect to the extended position of described casing part and retracted position.
But because the sliding platform with work usefulness table top that workbench provides level outwards to skid off, thereby erection work high in the equipment compartment after effectively the auxiliary operation personnel finish, the depths.
Preferably, equipment compartment also comprises the sliding locking mechanism that partly locks for the described relatively casing of described sliding platform behind this aircraft with the back work ladder.The existence of sliding locking mechanism can improve operating personnel's operating safety factor.
Further preferably, described sliding locking mechanism comprises lock pin, be located on the body of described sliding platform and be positioned at described casing part the lock frame, be formed at the locked groove on the described casing body partly, described lock pin is configured to insert described lock frame and enters described locked groove.
Again further preferably, described locked groove is a plurality of and along continuous straight runs distributes.Can select the outwardly directed degree of sliding platform according to the degree of depth that enters in the cabin like this.
Again further preferably, the front end of described sliding platform also is provided with anti-collision block.The setting of anti-collision block can avoid sliding platform to break component and the equipment that stores in the cabin in the process of stretching out.
Preferably, described support is configured to outside framework, described crane is constructed with can be for the inner frame of row's staircase of operating personnel climbing, and at described crane during with respect to the described initial position of described support, described crane is at least part of to be withdrawn into described internal stent.
By this set, the appearance and size of crane be can dwindle, thereby depth in the cabin, vertical eminence entered more easily, adapt to the little situation of idle space in the little and cabin of hatch door better.
Preferably, equipment compartment also comprises anti-fail-lock mechanism with the back work ladder behind the aircraft, described locking mechanism comprises the lock bracket that is installed on the described support, can be inserted in the stop pin of described lock bracket and be positioned at spacing beam on the described crane, when described crane stops lifting and when in running order, described stop pin is stretched out towards described crane by described support, and is positioned at described spacing beam below to support described crane.
Owing to be provided with this anti-fail-lock mechanism, can avoid crane landing suddenly and threaten operating personnel's personal safety at hydraulic means just in case under the situation about losing efficacy, play the effect of further supporting elevation frame.
Preferably, described spacing beam is a plurality of.Because the operating position of crane may be a plurality of (this position is by deciding according to the height requirement that enters in the cabin), therefore can ensure for crane provides hydraulic means to lose efficacy on each operating position.
By the following described embodiment of reference, these and other aspects of the present utility model will clearly be set forth.
Description of drawings
Structure of the present utility model and mode of operation and further purpose and advantage will be understood better by the description below in conjunction with accompanying drawing, wherein, and identical reference marker sign components identical:
Fig. 1 is according to the perspective schematic view of equipment compartment behind the aircraft that is in initial position of a preferred embodiment of the present utility model with the back work ladder;
Fig. 2 is that the sliding platform shown in it is in its extended position according to the perspective schematic view of equipment compartment behind the aircraft that is in the operating position of a preferred embodiment of the present utility model with the back work ladder;
Fig. 3 be among Fig. 1 behind the aircraft equipment compartment with the perspective schematic view of the outside framework of back work ladder;
Fig. 3 a is the perspective schematic view of anti-fail-lock mechanism through amplifying among Fig. 3;
Fig. 4 be among Fig. 1 behind the aircraft equipment compartment wherein also show the workbench at inner frame top with the perspective schematic view of the inner frame of back work ladder, only shown the casing part of workbench for the purpose of clear;
Fig. 5 is the schematic plan of workbench through amplifying among Fig. 2;
Fig. 5 a is the amplification view along A-A line among Fig. 5;
Fig. 5 b is the phantom drawing of Fig. 5 a, but shows for the purpose of the sliding locking mechanism for clear, has removed the casing part of workbench in the figure;
Fig. 5 c is the amplification view along B-B line among Fig. 5.
The specific embodiment
As requested, will disclose the specific embodiment of the present utility model here.Yet, should be understood that disclosed embodiment only is exemplary of the present utility model here, it can be presented as various forms.Therefore, here the detail of Pi Luing is not considered to restrictive, and only be differently to use representational basis of the present utility model as the basis of claim and as being used for instruction those skilled in the art in any appropriate mode of reality, comprise employing disclosed various features and in conjunction with the feature that may clearly not disclose here here.
According to equipment compartment behind the aircraft of a preferred embodiment of the present invention with the back work ladder as shown in Figure 1 and Figure 2, comprise outside framework 1 as support, as the inner frame 2 of crane, be positioned at the workbench 3 at inner frame top and the hydraulic means 4 that is used for driving inner frame 2.Referring to Fig. 1, Fig. 2, and in conjunction with Fig. 3 and Fig. 4, outside framework 1 preferably has the bottom 11 of large-size and the top 12 of reduced size, and this being configured with is beneficial to the raising stability of strutting system.In the present embodiment, outside framework 1 has inner space 13 and is used for ccontaining inner frame 2 within it.Workbench 3 comprises casing part 31 and sliding platform 32, and sliding platform 32 is installed in casing part 31 slidably, and can slide by along continuous straight runs between with respect to the extended position of casing part 31 and retracted position.The front end of sliding platform 3 also is provided with anti-collision block 33 (seeing Fig. 5 c).Hydraulic means 4 comprises the hydraulic cylinder 41 that is fixed in outside framework bottom 11 and is used for contact and supports piston rod 42 (see figure 2)s of inner frame 2.
Refer again to Fig. 2, preferably, a root post 14 is respectively established in four bights in outside framework 1 inner space 13, inner frame 2 also correspondingly has four root posts 24, simultaneously all be provided with a pair of pulley 5 in the bottom of every root post 24, these pulleys 5 and column 14 tight fits, thus in inner frame 2 lifting process, inner frame 2 is played further supporting role, simultaneously also can make the movement of inner frame 2 milder, improve stability.Should be appreciated that and can also establish a pair of pulley 5 at the top of every root post 14 of outside framework, column 24 tight fits on these pulleys 5 and the inner frame, thus further improve working stand stability.
As shown in Figure 1 and Figure 2, in the present embodiment, inner frame 2 is supported on the outside framework 1 movably by means of hydraulic means 4 and pulley 5, and can do elevating movement under the driving of hydraulic means 4 between with respect to the initial position (see figure 1) of outside framework 1 and operating position (see figure 2).When inner frame 2 is in initial position, namely during storage configuration, the state of workbench 3 as shown in Figure 1, namely sliding platform 32 relative casing parts 31 are in its retracted position; And be in the operating position when inner frame 2, when namely using state, the state of workbench 3 as shown in Figure 2, namely sliding platform 32 relative casing parts 31 are in its extended position.When inner frame 2 is in its operating position, when sliding platform 32 was in its extended position simultaneously, operating personnel can come out via the skylight 311 that arranges on the casing part 31, stood on the table top 321 of sliding platform 32 to start working.In the present embodiment, skylight 311 is configured to the two fan doors that link to each other by hinge with the body 312 of casing part 31, because skylight 311 is connected with the staircase 21 of inner frame 2 via the body 312 of inner hollow, therefore operating personnel make progress via staircase, upwards outwards open skylight 311, can climb out of on the table top 321 that arrives sliding platform 32.In other embodiment, this skylight 311 also can be an opening on body 312 tops with casing part 31, and this opening is connected with inner space 314 and big I comes outbreak out for operating personnel stands on the workbench 3.
Should be understood that the hydraulic cylinder 41 of hydraulic means 4 can be associated with the hydraulic pump 43 that is fixed in the outside framework bottom.When inner frame 2 was in its initial position, in case hydraulic pump is received external command, such as can being to provide instruction by handle, piston rod 42 tops just can promote inner frame 2 and move up and arrive desirable operating position.Certainly, the operating position can have a plurality of, and this decides according to the cabin inner height that the working stand needs arrive.
For the unsafe factor that prevents that in a single day hydraulic means 4 lost efficacy and bring, in the present embodiment, also be provided with anti-fail-lock mechanism 6, as shown in Figure 3.Anti-fail-lock mechanism 6 comprises lock bracket 61, the stop pin 62 that can be inserted in described lock bracket 61 that is installed on the outside framework 1 and is positioned at spacing beam 23 on the inner frame 2, shown in Fig. 3 a and in conjunction with Fig. 2 and Fig. 3.When inner frame 2 stops lifting and when in running order, lock bracket 61 is stretched out towards inner frame by lock bracket 61, and is positioned at spacing beam 23 belows to support inner frame 2.Should be understood that spacing beam 23 can be a plurality of, thereby when inner frame 2 was in each its operating position, guarantee can both tighten security.
Referring now to Fig. 5 and Fig. 5 a, Fig. 5 b and Fig. 5 c,, wherein, Fig. 5 a is the sectional view along A-A line among Fig. 5; Fig. 5 b is the phantom drawing of Fig. 5 a, but shows for the purpose of the sliding locking mechanism for clear, has removed the casing part of workbench in the figure; Fig. 5 c is the sectional view along B-B line among Fig. 5.Sliding locking mechanism 7 comprises lock pin 71, be located on the body 322 of described sliding platform 32 and be positioned at described casing part 31 lock frame 72, be formed at the locked groove 313 on the body 312 of described casing part 31.Described lock pin 71 is configured to insert in the described lock frame 72 and enters in the locked groove 313 in the described casing part 31.Preferably, locked groove 313 can be for a plurality of, and their along continuous straight runs on the body 312 of casing part 31 evenly distribute.By this set, on sliding platform 32 relative casing part 31 outwardly directed a plurality of extended positions, can lock by means of sliding locking mechanism 7.
For another example shown in Fig. 5 b, the side towards the inner space 314 of casing part 31 of the body 322 of sliding platform 32 has cut portion 323, and the lock frame 72 of sliding locking mechanism 7 just is installed in this.When sliding platform 32 relative casing parts 31 slide into its a certain extended position, the lock pin 71 that inserts lock frame 72 is moving and stretch out outside the sliding platform 32 to a thruster of sliding platform, enter then in the locked groove 313 on the casing part 31, further stretch out or withdraw thereby limited sliding platform 32.Preferably, can be provided with the stopping means 8 for lock pin 71 in the present embodiment, this stopping means comprises side direction limited block 81 and rotating longitudinal spacing piece 82, thus when avoiding lock pin 71 to be in latched position along side direction with vertically move and break away from the joint of locked groove 313.
In addition, shown in Fig. 2, Fig. 4 and Fig. 5 b, the both sides in the body 312 of casing part 31 all are provided with chute 315, correspondingly, both sides at the body 322 of sliding platform 32 all are provided with I shape slide rail 324, and slide rail 324 can slide between retracted position and extended position along chute 315.Preferably, also be provided with spacing shoulder 316 at the front end of the body 312 of casing part 31, by the setting of spacing shoulder 316, can prevent from effectively that sliding platform 32 from reaching outside the casing part 31 to have an accident.
In use, operating personnel can shift the back work ladder (see figure 1) that is in initial position under the aircraft door onto, mix up the position after, with hydraulic means 4 with inner frame 2 jack-up of shrinking and then by in the narrow and small hatch door access arrangement cabin.After inner frame 2 rises to required operating position, by the hand push mode workbench 3 to be launched, sliding platform 32 parts that are about to workbench 3 are stretched out casing part 31 outer (see figure 2)s.Operating personnel can enter the table top 321 that arrives sliding platform 32 in the cabin by the staircase 21 on the inner frame 2 and begin operation.Stand on this sliding platform 32, operating personnel can also can finish the operation element at top simultaneously easily in the tail end work of back equipment compartment, have improved operating personnel's operating environment greatly.And the novel back work ladder of this enforcement also has good weight capacity, and safety factor is also very high.
Technology contents of the present utility model and technical characterstic have disclosed as above; yet be appreciated that; under creative ideas of the present utility model; those skilled in the art can make various changes and modifications to said structure and shape; comprise here disclosing separately or the combination of claimed technical characterictic, comprise other combination of these features significantly.These distortion and/or combination all fall in the related technical field of the utility model, and fall into the protection domain of the utility model claim.It should be noted that by convention, use discrete component to be intended to comprise one or more such elements in the claim.In addition, any reference marker in claims should be configured to limit scope of the present utility model.
Claims (10)
1. equipment compartment back work ladder behind the aircraft is characterized in that, comprising:
Support;
Crane, it is supported on the described support movably, and does elevating movement between with respect to the initial position of described support and operating position;
Workbench, it is positioned at the top of described crane, and described workbench has can stand thereon table top of the skylight that communicates with described crane and operator;
At described initial position, described crane is at least part of to be withdrawn into described support so that deposit; In described operating position, described crane is at least part of to be stretched out the outer so that described workbench of described support and enters behind the aircraft in the equipment compartment.
2. equipment compartment back work ladder behind the aircraft according to claim 1 is characterized in that, also comprises hydraulic means, and described hydraulic means comprises the hydraulic cylinder that is fixed in described support and the piston rod that is used for the described crane of contact.
3. equipment compartment back work ladder behind the aircraft according to claim 1, it is characterized in that, described workbench comprises the casing part with described skylight and the sliding platform that is used for providing described table top, described sliding platform is installed in described casing part slidably, and along continuous straight runs is slidably between with respect to the extended position of described casing part and retracted position.
4. equipment compartment back work ladder behind the aircraft according to claim 3 is characterized in that, also comprises the sliding locking mechanism that partly locks for the described relatively casing of described sliding platform.
5. equipment compartment back work ladder behind the aircraft according to claim 4, it is characterized in that, described sliding locking mechanism comprises lock pin, be located on the body of described sliding platform and be positioned at described casing part the lock frame, be formed at the locked groove on the described casing body partly, described lock pin is configured to insert described lock frame and enters described locked groove.
6. equipment compartment back work ladder behind the aircraft according to claim 5 is characterized in that, described locked groove is a plurality of and along continuous straight runs distributes.
7. equipment compartment back work ladder behind the aircraft according to claim 3 is characterized in that the front end of described sliding platform also is provided with anti-collision block.
8. equipment compartment back work ladder behind the aircraft according to claim 1, it is characterized in that, described support is configured to outside framework, described crane is constructed with the inner frame that can ride staircase for a row of operating personnel's climbing, at described crane during with respect to the described initial position of described support, described crane is at least part of to be withdrawn into described internal stent.
9. equipment compartment back work ladder behind the aircraft according to claim 1, it is characterized in that, also comprise anti-fail-lock mechanism, described locking mechanism comprises the lock bracket that is installed on the described support, can be inserted in the stop pin of described lock bracket and be positioned at spacing beam on the described crane, when described crane stops lifting and when in running order, described stop pin is stretched out towards described crane by described lock bracket, and is positioned at described spacing beam below to support described crane.
10. equipment compartment back work ladder behind the aircraft according to claim 9 is characterized in that, described spacing beam is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569831 CN203114145U (en) | 2012-10-31 | 2012-10-31 | Auxiliary working ladder for rear equipment compartment of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220569831 CN203114145U (en) | 2012-10-31 | 2012-10-31 | Auxiliary working ladder for rear equipment compartment of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114145U true CN203114145U (en) | 2013-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220569831 Expired - Lifetime CN203114145U (en) | 2012-10-31 | 2012-10-31 | Auxiliary working ladder for rear equipment compartment of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114145U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124628A (en) * | 2014-07-25 | 2014-10-29 | 国家电网公司 | Combined type maintenance platform |
| CN106499330A (en) * | 2016-11-10 | 2017-03-15 | 广州飞机维修工程有限公司 | A kind of aircraft maintenance working stand |
-
2012
- 2012-10-31 CN CN 201220569831 patent/CN203114145U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124628A (en) * | 2014-07-25 | 2014-10-29 | 国家电网公司 | Combined type maintenance platform |
| CN106499330A (en) * | 2016-11-10 | 2017-03-15 | 广州飞机维修工程有限公司 | A kind of aircraft maintenance working stand |
| CN106499330B (en) * | 2016-11-10 | 2019-06-21 | 广州飞机维修工程有限公司 | A kind of aircraft maintenance working stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |