CN218949504U - Platform driving mechanism for aircraft passenger ladder - Google Patents
Platform driving mechanism for aircraft passenger ladder Download PDFInfo
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- CN218949504U CN218949504U CN202223542824.0U CN202223542824U CN218949504U CN 218949504 U CN218949504 U CN 218949504U CN 202223542824 U CN202223542824 U CN 202223542824U CN 218949504 U CN218949504 U CN 218949504U
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- push rod
- electric push
- door
- guide
- driving mechanism
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- 239000004677 Nylon Substances 0.000 claims description 26
- 229920001778 nylon Polymers 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 6
- 230000008602 contraction Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to an aircraft passenger ladder platform driving mechanism which comprises a cross beam, a support, an electric push rod, a tension spring, a door clamp, a sliding chute and a driving device, wherein the electric push rod is connected with the support in a sliding mode along the telescopic direction, one end of the electric push rod is connected with the middle of the cross beam, the other end of the electric push rod is abutted against the door clamp, the sliding chute is arranged in a car ladder, the sliding chute is parallel to the cross beam, the door clamp is arranged in the sliding chute, the driving device is connected with the driving device for driving the door clamp to slide, the tension springs are arranged on two sides of the electric push rod, and two ends of the tension spring are respectively fixed with the cross beam and the support. The electric push rod is connected with the cross beam through the guide frame, the guide frame is hinged with the electric push rod and the cross beam respectively, and the guide frame is connected with the support in a sliding mode along the telescopic direction of the electric push rod. Compared with a platform driving mechanism in the prior art, the emergency evacuation device can enable the electric push rod to lose support through controlling the cassette door, and the quick contraction of the platform is realized through the tension spring.
Description
Technical Field
The utility model relates to the technical field of aircraft passenger lift vehicles, in particular to an aircraft passenger lift vehicle platform driving mechanism.
Background
When the aircraft elevator car needs emergency evacuation in the operation under the aircraft, the platform needs to be retracted, so that the aircraft elevator car can be driven away after a certain safety distance is reserved between the platform and the aircraft, and the situation that the aircraft elevator platform shakes to collide with the aircraft when the aircraft elevator car is started is avoided. Along with the development of science and technology, the passenger elevator car gradually adopts the new forms of energy, and the actuating mechanism of platform adopts electronic proportion also gradually to increase, adopts the electric push rod as the power supply when the platform stretches out and draws back often to realize accurate position control, maintenance are also comparatively convenient.
The prior art has the following defects that the telescopic speed of the push rod is slower because the gear meshing structure is adopted in the electric push rod, the platform needs a certain time to retract into a safe space, and the effect of rapid retraction is difficult to achieve.
Disclosure of Invention
The utility model aims at: aiming at the problem that the contraction speed of the platform is slower by using the electric push rod, the platform driving mechanism for the aircraft passenger ladder car is provided, and the effect of rapid contraction of the platform can be achieved during emergency evacuation.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an aircraft passenger ladder car platform actuating mechanism, includes the crossbeam fixed with passenger ladder car platform and locates the support of car ladder internal fixation, still includes electric putter, extension spring and door card, electric putter along flexible direction with support sliding connection, electric putter one end is connected the centre of crossbeam, the other end supports and leans on the door card, still including locating car ladder internal fixation's spout, the spout direction is on a parallel with the crossbeam, the door card is located in the spout, and be connected with the drive arrangement that the door card slided, electric putter both sides are equipped with the extension spring, the extension spring both ends respectively with the crossbeam with the support is fixed.
According to the utility model, the electric push rod pushes the cross beam out under the supporting action of the door clamp, the platform is driven to be unfolded, and when the electric push rod is normally contracted, the electric push rod is always propped against the door clamp to be contracted under the action of the tension spring, when the electric push rod is contracted in emergency, the driving device is started to enable the door clamp to slide, the door clamp does not support the electric push rod any more, so that the electric push rod does not apply force to the cross beam any more, the cross beam quickly rebounds under the action of the tension spring, the platform is rapidly contracted, the platform is pulled out when the electric push rod needs to be reused, the door clamp is reset through the driving device, the platform is loosened, and the electric push rod is propped against the door clamp again under the action of the tension spring.
Preferably, the electric push rod is connected with the cross beam through the guide frame, the guide frame is hinged with the electric push rod and the cross beam respectively, and the guide frame is connected with the support in a sliding manner along the extension direction of the electric push rod. The guide frame moves more steadily, and can play certain supporting role to the platform, articulated be convenient for install, and adjustable and the inclination between the support when retrieving, it is more smooth when contracting.
Preferably, a guide sleeve is arranged between the electric push rod and the door clamp, the guide sleeve is fixed on the support, a guide rod is arranged in the guide sleeve, one end of the guide rod is propped against the door clamp, the other end of the guide rod is hinged with the electric push rod through a connecting fork, and the guide rod is provided with an adjusting nut for locking the position of the connecting fork. The guide rod replaces the electric push rod to contact with the door clamp, so that abrasion of the electric push rod is reduced, and the guide rod is matched with the guide sleeve, so that the guide is more accurate.
Further preferably, a large flat pad is arranged at the adjusting nut, a sealing head is arranged at one end, close to the large flat pad, of the guide sleeve, and a first buffer spring sleeved on the guide rod is arranged between the sealing head and the large flat pad. The device has certain buffering when the device is contracted in an emergency, avoids rigid impact on the bracket and the cross beam, and prolongs the service life of the mechanism.
Still further preferably, the seal head is close to one side of the door clip and is provided with a front nylon sliding sleeve, a first flange, a second buffer spring, a gasket, a rear nylon sliding sleeve and a nut in sequence on the guide rod, wherein the first flange is fixed on the guide rod, and the front nylon sliding sleeve, the second buffer spring, the gasket and the rear nylon sliding sleeve are in sliding connection with the guide rod. The nylon sliding sleeve enables the guide rod to be positioned at the center in the guide sleeve, the guide effect is better, direct friction between the guide rod and the guide sleeve is avoided during extension and retraction, abrasion of the guide rod and the guide sleeve is reduced, and the second buffer spring further improves the buffer capacity.
Still further preferably, a clamping wheel is arranged between the rear nylon sliding sleeve and the nut, the outer diameter of the clamping wheel is smaller than the inner diameter of the guide sleeve, a groove is arranged on the outer ring surface of the clamping wheel, the door clamp supports the clamping wheel by utilizing the groove, and the clamping wheel, the first buffer spring and the second buffer spring form an elastic supporting part of the electric push rod. The abrasion of the guide rod is reduced.
Still further preferably, the chute is fixedly connected with is used for supporting the shrouding of uide bushing, the uide bushing outside is equipped with the second flange, and the uide bushing passes through shrouding and second flange to be fixed on the support, the shrouding is dodged the guide bar is formed with the opening. The guide sleeve is convenient to detach.
Still further preferably, the door clamp comprises a door clamp tension spring, and the sealing plate and the door clamp are both provided with an ear plate and are connected through the door clamp tension spring. The door clamp is abutted against the clamping wheel to prevent loosening.
Preferably, the chute is composed of two parallel nylon baffles, a surrounding plate with a hollowed center is arranged between the two nylon baffles, the hollowed-out part is used for installing the clamping wheel and the door clamp, and the length of the hollowed-out part can be used for completely separating the door clamp from the clamping wheel. The nylon baffle slides comparatively smoothly, and the holding area is big simultaneously, has improved the holding strength, and the bounding wall plays the guide effect.
Preferably, the driving device comprises a pull rod and a hard pull wire, one end of the hard pull wire is connected with the pull rod, and the other end of the hard pull wire is hinged with the door clamp through a connecting fork. And the mechanical connection is adopted, so that the reliability is high and the cost is low.
When an emergency occurs, the pull rod is pulled to drive the door clamp to move to the outer side of the guide rod along the sliding groove, the guide rod loses support, the cross beam is retracted under the action of the tension spring, and the guide bottom frame, the electric push rod and the guide rod are pushed to move to the retraction direction of the cross beam, so that emergency recovery is realized. When the electric push rod is required to be reset, the electric push rod is restored to a contracted state, the flange on the guide rod and the front nylon sliding sleeve are abutted against the seal head of the guide sleeve to realize the positioning of the clamping wheel, the pull rod is restored to the original position, and the door clamp returns to the clamping position under the action of the hard pull wire to finish the reinstallation.
The utility model has the beneficial effects that the platform can be quickly contracted during emergency evacuation, has a certain damping effect during contraction, and has the advantages of prolonged service life, easier reinstallation and low cost.
Description of the drawings:
FIG. 1 is a schematic view of a platform in an extended configuration;
FIG. 2 is a schematic view of a platform in a retracted state;
FIG. 3 is a schematic view of a guide bar structure;
fig. 4 is a schematic structural view of a door card driving device.
The marks in the figure: 1-cross beam, 2-electric push rod, 3-tension spring, 4-door clip, 5-bracket, 6-chute, 7-guide frame, 8-guide sleeve, 9-guide rod, 10-adjusting nut, 11-big flat pad, 12-end socket, 13-first buffer spring, 14-front nylon sliding sleeve, 15-first flange, 16-second buffer spring, 17-gasket, 18-front ni Long Huatao, 19-clamping wheel, 20-shrouding, 21-second flange, 22-opening, 23-door clip extension spring, 24-otic placode, 25-ni Long Dangban, 251-bounding wall, 26-pull rod, 27-hard stay.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, the present embodiment provides an aircraft passenger ladder platform driving mechanism, including a cross beam 1 and a rectangular bracket 5, the bracket 5 is fixed in a car ladder, the cross beam 1 is arranged in front of the bracket 5 and is connected with the passenger ladder platform, an electric push rod 2 is arranged at the rear of the cross beam 1, the electric push rod 2 passes through the bracket 5 and is connected with the bracket 5 in a front-back sliding manner, a clamping door 4 is arranged at the rear of the electric push rod 2, the clamping door 4 is arranged in a sliding groove 6, the sliding groove 6 is fixed in the car ladder, the clamping door 4 can move left and right relative to the electric push rod 2 in the sliding groove 6, the clamping door 4 is connected with a driving device for driving the door clamp 4 to slide, one end of the electric push rod 2 is connected with the middle of the cross beam 1, the other end of the electric push rod is propped against the door clamp 4, tension springs 3 are symmetrically arranged at two sides of the electric push rod 2, and two ends of the tension springs 3 are respectively fixed with the cross beam 1 and the bracket 5.
The electric push rod device is characterized by further comprising a rectangular guide frame 7, wherein the electric push rod 2 is connected with the cross beam 1 through the guide frame 7, the guide frame 7 is hinged with the electric push rod 2 and the cross beam 1 respectively, and the guide frame 7 is connected with the support 5 in a sliding manner along the front-back direction through roller type guide rails. The left and right sides of the rectangular guide frame are parallel, which is beneficial to aligning during shrinkage.
The electric push rod 2 with be equipped with uide bushing 8 between the door card 4, uide bushing 8 is fixed on the support 5, be equipped with guide bar 9 in it, guide bar 9 one end support is in on the door card 4, the other end pass through the fork with electric push rod 2 articulates, guide bar 9 is equipped with adjusting nut 10 for the position of locking the fork.
The adjusting nut 10 is provided with a large flat pad 11, one end of the guide sleeve 8, which is close to the large flat pad 11, is provided with a sealing head 12, and a first buffer spring 13 sleeved on the guide rod 9 is arranged between the sealing head 12 and the large flat pad 11.
The sealing head 12 is close to one side of the door clamp 4, a front nylon sliding sleeve 14, a first flange 15, a second buffer spring 16, a gasket 17, a rear nylon sliding sleeve 18 and a nut are sequentially arranged on the guide rod 9, the first flange 15 is welded and fixed on the guide rod 9, and the front nylon sliding sleeve 14, the second buffer spring 16, the gasket 17 and the rear nylon sliding sleeve 18 are in sliding connection with the guide rod 9.
The rear nylon sliding sleeve 18 and the nut are provided with a clamping wheel 19 therebetween, the outer diameter of the clamping wheel 19 is smaller than the inner diameter of the guide sleeve 8, a groove is arranged on the outer ring surface of the clamping wheel 19, the door clamp 4 supports the clamping wheel 19 by utilizing the groove, and the clamping wheel 19, the first buffer spring 13 and the second buffer spring 16 form an elastic supporting component of the electric push rod 2.
The spout 6 is installed in the below of uide bushing 8, spout 6 comprises two parallel nylon baffles 25, two be equipped with the stainless steel bounding wall 251 of center fretwork between the nylon baffles 25, the four corners of bounding wall 251 pass through the fix with screw on nylon baffles 25 of one of them side, and fretwork part is used for installing screens wheel 19 and door clip 4, and the length of fretwork part can make door clip 4 when the interior slip of bounding wall 251 with screens wheel 19 is completely separated.
The spout 6 below is equipped with U type shrouding 20 that the opening up, and spout 6 passes through the bolt fastening on shrouding 20, and shrouding 20 is through welding with uide bushing 8 and car ladder respectively, and is fixed with uide bushing 8, uide bushing 8 outside welding has second flange 21, and support 5 supports through second flange 21 and leans on uide bushing 8, and shrouding 20 is equipped with the opening 22 that supplies guide bar 9 to pass to avoid influencing the removal of guide bar 9, welding has otic placode 24 in the middle of shrouding 20 and on door clamp 4, connects two otic placodes 24 respectively through door clamp extension spring 23, makes door clamp 4 keep normally closed state.
The driving device consists of a pull rod 26 and a hard pull wire 27, one end of the hard pull wire 27 is connected with the pull rod 26, and the other end of the hard pull wire is hinged with the door clamp 4 through a connecting fork.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides an aircraft passenger ladder car platform actuating mechanism, its characterized in that, include with passenger ladder car platform fixed crossbeam (1) and locate car ladder internal fixation's support (5), still include electric putter (2), extension spring (3) and door card (4), electric putter (2) along flexible direction with support (5) sliding connection, electric putter (2) one end is connected the centre of crossbeam (1), the other end supports and leans on door card (4), still including locating car ladder internal fixation's spout (6), spout (6) direction are on a parallel with crossbeam (1), door card (4) are located in spout (6) and are connected with the drive arrangement that drive door card (4) slided, electric putter (2) both sides are equipped with extension spring (3), extension spring (3) both ends respectively with crossbeam (1) with support (5) are fixed.
2. The aircraft passenger elevator platform driving mechanism according to claim 1, further comprising a guide frame (7), wherein the electric push rod (2) is connected with the cross beam (1) through the guide frame (7), the guide frame (7) is hinged with the electric push rod (2) and the cross beam (1) respectively, and the guide frame (7) is slidably connected with the bracket (5) along the telescopic direction of the electric push rod (2).
3. An aircraft passenger elevator platform driving mechanism according to claim 1 or 2, wherein a guide sleeve (8) is arranged between the electric push rod (2) and the door clamp (4), the guide sleeve (8) is fixed on the bracket (5), a guide rod (9) is arranged in the guide sleeve, one end of the guide rod (9) is propped against the door clamp (4), the other end of the guide rod is hinged with the electric push rod (2) through a connecting fork, and the guide rod (9) is provided with an adjusting nut (10) for locking the position of the connecting fork.
4. An aircraft passenger elevator platform driving mechanism according to claim 3, wherein the adjusting nut (10) is provided with a large flat pad (11), one end of the guide sleeve (8) close to the large flat pad (11) is provided with a sealing head (12), and a first buffer spring (13) sleeved on the guide rod (9) is arranged between the sealing head (12) and the large flat pad (11).
5. The aircraft passenger elevator platform driving mechanism according to claim 4, wherein a front nylon sliding sleeve (14), a first flange (15), a second buffer spring (16), a gasket (17), a rear nylon sliding sleeve (18) and a nut are sequentially arranged on the guide rod (9) at one side of the sealing head (12) close to the door clamp (4), the first flange (15) is fixed on the guide rod (9), and the front nylon sliding sleeve (14), the second buffer spring (16), the gasket (17) and the rear nylon sliding sleeve (18) are in sliding connection with the guide rod (9).
6. The aircraft passenger elevator platform driving mechanism according to claim 5, wherein a clamping wheel (19) is arranged between the rear nylon sliding sleeve (18) and the nut, the outer diameter of the clamping wheel (19) is smaller than the inner diameter of the guide sleeve (8), a groove is formed in the outer ring surface of the clamping wheel (19), the door clamp (4) supports the clamping wheel (19) by utilizing the groove, and the clamping wheel (19), the first buffer spring (13) and the second buffer spring (16) form an elastic supporting component of the electric push rod (2).
7. The aircraft passenger elevator platform driving mechanism according to claim 6, wherein the sliding chute (6) is fixedly connected with a sealing plate (20) for abutting against the guide sleeve (8), a second flange (21) is arranged outside the guide sleeve (8), the guide sleeve (8) is fixed on the support (5) through the sealing plate (20) and the second flange (21), and the sealing plate (20) is prevented from being provided with an opening (22) by the guide rod (9).
8. The aircraft passenger ladder platform driving mechanism according to claim 7, further comprising a door clip tension spring (23), wherein the sealing plate (20) and the door clip (4) are provided with an ear plate (24) and are connected by the door clip tension spring (23).
9. An aircraft passenger ladder platform driving mechanism according to claim 6, characterized in that the chute (6) consists of two parallel nylon baffles (25), a central hollow coaming (251) is arranged between the two nylon baffles (25), and the hollow portion is used for mounting the clamping wheel (19) and the door clamp (4), and the length of the hollow coaming is used for completely separating the door clamp (4) from the clamping wheel (19).
10. An aircraft passenger ladder platform driving mechanism according to claim 1, characterized in that the driving means consist of a pull rod (26) and a hard pull wire (27), one end of the hard pull wire (27) being connected to the pull rod (26) and the other end being hinged to the door catch (4) by means of a connecting fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542824.0U CN218949504U (en) | 2022-12-29 | 2022-12-29 | Platform driving mechanism for aircraft passenger ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542824.0U CN218949504U (en) | 2022-12-29 | 2022-12-29 | Platform driving mechanism for aircraft passenger ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218949504U true CN218949504U (en) | 2023-05-02 |
Family
ID=86138429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223542824.0U Active CN218949504U (en) | 2022-12-29 | 2022-12-29 | Platform driving mechanism for aircraft passenger ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218949504U (en) |
-
2022
- 2022-12-29 CN CN202223542824.0U patent/CN218949504U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240819 Address after: 400000, No. 8 Changdi Road, Nan'an District, Chongqing City Patentee after: CHONGQING DIMA INDUSTRY Co.,Ltd. Country or region after: China Address before: 401336 building 10, No.8 Changdian Road, Nan'an District, Chongqing Patentee before: Chongqing Dahang Industry Co.,Ltd. Country or region before: China |