CN206885376U - A kind of helicopter tail rotor leaf lifting device - Google Patents
A kind of helicopter tail rotor leaf lifting device Download PDFInfo
- Publication number
- CN206885376U CN206885376U CN201720459620.0U CN201720459620U CN206885376U CN 206885376 U CN206885376 U CN 206885376U CN 201720459620 U CN201720459620 U CN 201720459620U CN 206885376 U CN206885376 U CN 206885376U
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- China
- Prior art keywords
- lifting device
- rotor leaf
- tail rotor
- helicopter tail
- screw mandrel
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Abstract
The utility model discloses a kind of helicopter tail rotor leaf lifting device, including chassis, cylinder body, more piece screw mandrel, flange and blade support member, the bottom on the chassis is provided with multiple rollers, the cylinder body is arranged on the chassis, the more piece screw mandrel is arranged in the cylinder body, the more piece screw mandrel is driven flexible up and down along longitudinal direction by drive mechanism, the blade support member is connected by the flange with the minor details of the more piece screw mandrel, offered on the blade support member upward, blade neck for accommodating tail-rotor leaf.This lifting device, it is easy to that tail-rotor leaf mechanically is given rise into installation site.
Description
Technical field
A kind of lifting device is the utility model is related to, it particularly relates to a kind of helicopter tail rotor leaf lifting device.
Background technology
The main function of helicopter tail rotor leaf is to provide countertorque, keeps the balance of aircraft, meanwhile, controlled using tail-rotor straight
The course of the machine of liter.
In helicopter tail rotor leaf installation process, staff need to stand completes operation on working stand, in tail-rotor leaf of taking
When need the staff on ground single-handedly to transmit, many hidden dangers be present during this, such as tail-rotor leaf falls and pounded
Hinder staff on ground etc..
To solve this case, there is provided a kind of lifting device, realizing the automation lifting function of tail-rotor leaf becomes very
It is necessary.
Utility model content
Technical problem to be solved in the utility model is, in view of the deficienciess of the prior art, providing a kind of straight
Tail blade lifting device is risen, it can be easy to mechanically lift tail-rotor leaf.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of helicopter tail rotor leaf lifting
Device, including chassis, cylinder body, more piece screw mandrel, flange and blade support member, the bottom on the chassis are provided with multiple rollers, institute
State cylinder body to be arranged on the chassis, the more piece screw mandrel is arranged in the cylinder body, and the more piece screw mandrel passes through drive mechanism
Driving is flexible up and down along longitudinal direction, and the blade support member is connected by the flange with the minor details of the more piece screw mandrel, described
Offered on blade support member upward, blade neck for accommodating tail-rotor leaf.
Preferably, the chassis has horizontally extending main part and horizontally extending two
Pole, apart from one another by certain angle between two poles and the main part three.
Preferably, the pole is hollow tubular, and expansion link is equipped with the pole, is set on the pole
Have an alignment pin, the expansion link is provided with multiple positioning holes along its length direction, the expansion link be located at the pole it
Outer one end is provided with footing component, and the footing component includes the housing fixed with the expansion link and in the housing
Leading screw, the lower end of the leading screw sets support plate, and the upper end of the leading screw sets handwheel.
Preferably, the leading screw is trapezoidal screw.
Preferably, suspension ring are provided with the pole.
Preferably, the lifting device also includes the handle for being connected to the main part, and the roller includes setting
The brake wheel below the main part and the fast pulley being separately positioned on below two poles are put, is set on the handle
There is brake handle, the brake handle is connected by cable wire with the brake member positioned at the brake wheel.
Preferably, the brake wheel is universal wheel.
Preferably, the drive mechanism is motor-driven worm-and-wheel gear.
Preferably, the more piece screw mandrel is ball screw.
Preferably, the blade support member includes the lateral frame of rigid and in the lateral frame
, the inner side cushion block of flexible material formed with the blade neck.
Implement helicopter tail rotor leaf lifting device of the present utility model, have the advantages that：In use, can be by tail
Blade is put into the blade neck on blade support member, is operated drive mechanism driving more piece screw mandrel afterwards and is stretched out longitudinally upward,
It is to be moved to arrive suitable height and position, taken out by staff and be attached to helicopter.The roller of setting is easy to the movement of the device.
The inner side of blade neck is made up of flexible material, then can protect tail-rotor leaf, avoids tail-rotor leaf in the process placed and upgraded
In it is frayed.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the schematic diagram of one embodiment of helicopter tail rotor leaf lifting device of the present utility model；
Fig. 2 is Fig. 1 front view；
Fig. 3 is the schematic perspective view of tail-rotor leaf lifting device corresponding with Fig. 1, which further illustrates tail-rotor leaf；
Fig. 4 is the stereogram that, more piece screw mandrel corresponding with Fig. 3 is in stretching state.
In figure, 1- chassis；2- fast pulleys；3- suspension ring；4- alignment pins；5- expansion links；6- footing components；7- handwheels；8- cylinders
Body；9- more piece screw mandrels；10- flanges；11- blade support members；1101- lateral frames；Cushion block on the inside of 1102-；1103- blade cards
Groove；12- handles；13- brake handles；14- control display screens；15- control cabinets；16- brake wheels；17- poles；18- support plates；
19- main parts；20- tail-rotor leaves.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiment and attached
Figure, the utility model is further described.
Shown in reference picture 1, Fig. 2, a kind of helicopter tail rotor leaf lifting device of the present utility model, including chassis 1, cylinder body 8,
More piece screw mandrel 9, flange 10 and blade support member 11.
The lower section on chassis 1 is provided with multiple rollers, and the plurality of roller can facilitate the movement on chassis 1.Cylinder body 8 is arranged at bottom
On disk 1, more piece screw mandrel 9 is arranged in cylinder body 8, and more piece screw mandrel 9 is driven along longitudinal direction by drive mechanism to be stretched up and down, good to understand
, more piece screw mandrel 9 can't be removed outside cylinder body 8, such as in cylinder body 8 position limiting structure can be set to fix more piece screw mandrel position
In the section in cylinder body.Blade support member 11 is connected by the minor details (saving the top one in Fig. 1) of flange 10 and more piece screw mandrel 9
Connect, offered on blade support member 11 upward, blade neck 1103 for accommodating tail-rotor leaf.
As shown in figure 1, chassis 1 has horizontally extending main part 19 and horizontally extending two poles
17, it is 120 degree in the present embodiment apart from one another by certain angle between two poles 17 and the three of main part 19.Adopt on chassis 1
With the trident form shown in Fig. 1, reduce bulk, avoid producing interference with equipment such as working stands.It is provided with pole 17
Suspension ring 3, the suspension ring 3 can be fixed with welding manner and pole 17, can so facilitate the lifting handling of the device.
Pole 17 is hollow tubular, and expansion link 5 is equipped with pole 17, and alignment pin 4, expansion link 5 are provided with pole 17
Its length direction is provided with multiple positioning holes (not marked in figure), so, inwardly or outwardly moved when relative to pole 17
During expansion link 5, expansion link 5 and pole 17 can be determined through expansion link 5 by position by alignment pin 4, prevent expansion link 5 voluntarily
Slide.One end that expansion link 5 is located at outside pole 17 is provided with footing component 6, and footing component 6 includes what is fixed with expansion link 5
Housing (not marked in figure) and the leading screw (not marked in figure) in housing, the housing can be fixed in the hole of the one end of expansion link 5,
Such as by way of welding or being interference fitted etc., the lower end of leading screw sets support plate 18, and the upper end of leading screw sets handwheel 7.
During rotation hand wheel 7, support plate 18 can be driven to move up and down.Preferably, the leading screw of the present embodiment is trapezoidal screw.
Continuation such as Fig. 1 shows that lifting device also includes the handle 12 for being connected to main part 19, and roller includes being arranged on main part
The brake wheel 16 of 19 lower sections and the fast pulley 2 for being separately positioned on the lower section of two poles 17, brake handle 13 is provided with handle 12,
Brake handle 13 is connected by cable wire with the brake member positioned at brake wheel 16, and cable wire is arranged on the inner side of handle 12.Preferably, stop
Wheel 16 is universal wheel.
In present embodiment, more piece screw mandrel 9 is ball screw.In addition, drive mechanism is motor-driven worm and gear machine
Structure, transmission efficiency can either be improved, reduce kinetic equation loss, and can enough ensures that more piece screw mandrel 9 has auto-lock function at an arbitrary position,
Roll-off will not occur, ensure the safety used.The minimum and maximum height of tail-rotor leaf lifting device can pass through screw mandrel section
The adjustment of number and size realizes that maximum height can reach several meters or even tens meters.
As shown in Fig. 2 blade support member 11 includes lateral frame 1101 and the position of rigid (such as steel, alloy etc.)
In the inner side cushion block of flexible material in lateral frame 1101, formed with blade neck 1103 manufacture (such as rubber etc.)
1102.The outside of blade support member 11 is rigid frame structure, and inner side is flexible structure, can play the supporting role of load-bearing, again
The function of protection blade can be played.
For brake handle 13 in original state, brake wheel 16 is locking state, can prevent maloperation；To brake handle when mobile
Hand 13 is with having pulled, and now universal wheel is releasing orientation, and rear brake handlebar 13 of loosing one's grip automatically restores to initially under the action of the spring
State.
Control display screen 14 uses touch LCD screen, is connected with control cabinet 15, and control cabinet 15 is arranged on chassis 1
On, inside installation motor and control device, so as to control the elevating movement of more piece screw mandrel 9.
Shown in reference picture 3, Fig. 4, when this apparatus is used, expansion link 5 can be pulled out, be positioned by alignment pin 4, then
Rotation hand wheel 7 causes support plate 18 to be contacted with ground, so as to increase the bottom stability of the device.Afterwards, tail-rotor leaf 20 is put
Enter blade neck 1103, operate drive mechanism so that more piece screw mandrel 9 rises, and to after proper height, staff takes out.At this
During, drive mechanism and more piece screw mandrel 9 can stop at an arbitrary position., then can be by support plate 18 when use finishes
Lift, expansion link 5 is withdrawn.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (10)
1. a kind of helicopter tail rotor leaf lifting device, it is characterised in that including chassis, cylinder body, more piece screw mandrel, flange and blade branch
Support member, the bottom on the chassis are provided with multiple rollers, and the cylinder body is arranged on the chassis, and the more piece screw mandrel is arranged at
In the cylinder body, the more piece screw mandrel is driven along longitudinal direction by drive mechanism to be stretched up and down, and the blade support member passes through institute
The minor details that flange is stated with the more piece screw mandrel are connected, offered on the blade support member upward, for accommodating tail-rotor leaf
Blade neck.
2. helicopter tail rotor leaf lifting device according to claim 1, it is characterised in that the chassis has along level side
Main part and horizontally extending two poles to extension, between two poles and the main part three mutually
120 degree of interval.
3. helicopter tail rotor leaf lifting device according to claim 2, it is characterised in that the pole is hollow tubular,
Expansion link is equipped with the pole, alignment pin is provided with the pole, the expansion link is set along its length direction
There are multiple positioning holes, one end that the expansion link is located at outside the pole is provided with footing component, and the footing component includes
The housing and the leading screw in the housing fixed with the expansion link, the lower end of the leading screw set support plate, the silk
The upper end of thick stick sets handwheel.
4. helicopter tail rotor leaf lifting device according to claim 3, it is characterised in that the leading screw is trapezoidal screw.
5. helicopter tail rotor leaf lifting device according to claim 2, it is characterised in that be provided with and hang on the pole
Ring.
6. helicopter tail rotor leaf lifting device according to claim 2, it is characterised in that the lifting device also includes connecting
The handle of the main part is connected on, the roller includes the brake wheel being arranged on below the main part and is separately positioned on two
Fast pulley below the pole, is provided with brake handle on the handle, the brake handle by cable wire with positioned at described
The brake member connection of brake wheel.
7. helicopter tail rotor leaf lifting device according to claim 6, it is characterised in that the brake wheel is universal wheel.
8. helicopter tail rotor leaf lifting device according to claim 1, it is characterised in that the drive mechanism is driven for motor
Dynamic worm-and-wheel gear.
9. helicopter tail rotor leaf lifting device according to claim 1, it is characterised in that the more piece screw mandrel is ball wire
Bar.
10. helicopter tail rotor leaf lifting device according to claim 1, it is characterised in that the blade support member includes
The lateral frame of rigid and in the lateral frame, the inner side pad of flexible material formed with the blade neck
Block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459620.0U CN206885376U (en) | 2017-04-27 | 2017-04-27 | A kind of helicopter tail rotor leaf lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459620.0U CN206885376U (en) | 2017-04-27 | 2017-04-27 | A kind of helicopter tail rotor leaf lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206885376U true CN206885376U (en) | 2018-01-16 |
Family
ID=61323564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459620.0U Active CN206885376U (en) | 2017-04-27 | 2017-04-27 | A kind of helicopter tail rotor leaf lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206885376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173162A (en) * | 2020-10-16 | 2021-01-05 | 中航通飞华南飞机工业有限公司 | Propeller flexible installation device |
| CN112550754A (en) * | 2020-12-24 | 2021-03-26 | 芜湖中科飞机制造有限公司 | Tail supporting and falling balancing device for assembling small airplane |
-
2017
- 2017-04-27 CN CN201720459620.0U patent/CN206885376U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112173162A (en) * | 2020-10-16 | 2021-01-05 | 中航通飞华南飞机工业有限公司 | Propeller flexible installation device |
| CN112550754A (en) * | 2020-12-24 | 2021-03-26 | 芜湖中科飞机制造有限公司 | Tail supporting and falling balancing device for assembling small airplane |
| CN112550754B (en) * | 2020-12-24 | 2022-06-07 | 芜湖中科飞机制造有限公司 | Tail supporting and falling balancing device for assembling small airplane |
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