A kind of simple type helicopter ground moving servicing unit
Technical field
The utility model is related to General Aviation technical field, and in particular to a kind of simple type helicopter ground moving auxiliary dress
Put.
Background technology
During helicopter ground moving, it is quick, convenient, efficiently transfer helicopter be ground service work substantially will
Ask.Research and design manufacture helicopter transfer mechanical device is the effective way for improving ground service operating efficiency;Meanwhile, also it is ground service work
Make personnel to shorten working time, reduce labour intensity.Conventional helicopter ground mobile device mainly has integral type and group at present
Box-like, integral type is draw-gear and helicopter bogey is a ground mobile device for entirety, and the method is to go straight up to
Machine is parked in above integral type ground mobile device, and helicopter directly is carried out into ground moving;Combined type be by draw-gear and
Helicopter bogey is separated, and each individually turns into a mechanical part, and first be lifted away from for helicopter using bogey by the method
Ground, then realizes helicopter ground moving under the dragging of draw-gear.
However, conventional helicopter ground mobile device has that complex structure and practicality be not strong.I.e. conventional
Its structure of helicopter ground mobile device is more complicated, is related to the multiple technology such as machinery, electronics, hydraulic pressure and programming, during use
The probability for going wrong is of a relatively high, and is taken time and effort in later maintenance and maintenance;Conventional helicopter ground mobile device
Its volume is larger take up room it is larger be not easy to storage, complex operation step operating personnel are error-prone.
Utility model content
Technical problem to be solved in the utility model is that conventional helicopter ground mobile device has complex structure, is made
The probability gone wrong during is of a relatively high, and maintenance cost is high, it is therefore intended that provides a kind of simple type helicopter ground and moves
Dynamic auxiliary device, its compact overall structure, overall volume is smaller, stores and transport more convenient, and economical and practical.
The utility model is achieved through the following technical solutions:
A kind of simple type helicopter ground moving servicing unit, including heavy train, hydraulic system and frame;
The heavy train includes band tyre and wheel shaft, and the band tyre is installed on the two ends of wheel shaft major axis, and institute
State wheel shaft and be provided with the first gudgeon;
The hydraulic system includes hydraulic jack, and the bottom of the hydraulic jack is fixed on first gudgeon;
The frame includes support frame and fixed block, and support frame as described above top is connected with hydraulic jack top, and
Support frame bottom and fixed block are connected, and support frame as described above drives fixed block to do upper shifting or lower shifting movement with hydraulic jack, described
Fixed block is used to fix helicopter foot stool.
The tire and wheel shaft of the utility model heavy type train are mainly used as the vehicle with walking machine of helicopter ground moving servicing unit
Structure, hydraulic jack is mainly used in being provided for the support frame of the present apparatus driving force of elevating movement, and fixed block is used for helicopter
Foot stool is fixed on support frame.When using, first helicopter ground moving servicing unit can be moved to by helicopter foot stool, passed through
Adjust hydraulic pressure system to adjust the height of support frame, decline the fixed block on support frame, helicopter foot stool is fixed on fixed block
On.The height of regulation hydraulic system makes helicopter lifting again, and helicopter is moved finally by draw-gear.This practicality is new
The compact overall structure of the helicopter ground moving servicing unit of type, overall volume is smaller, stores and transport more convenient, and
It is economical and practical.
Preferably, support frame as described above is in inverted U, and the inverted U support frame is covered in hydraulic jack, and support frame as described above
Top is connected with hydraulic jack top.
The utility model is conducive to making institute by will cover on jack inverted U support frame using inverted U support frame
Auxiliary device for moving compact overall structure, simple is stated, is easily installed, operation and maintenance.
Preferably, inverted U groove is respectively equipped with the relative side wall of the inverted U support frame, the wheel shaft sequentially passes through down U
Inverted U groove on the wall of type support frame side.
By being respectively provided with inverted U groove on the relative side wall in the position on the inverted U support frame, formed two it is symmetrical
Inverted U slot structure, then, the wheel shaft of heavy train sequentially passes through two symmetrical inverted U slot structures.In regulation hydraulic jack
Height when, heavy train position is relatively fixed, under the drive of hydraulic jack inverted U support frame pass through wheel shaft and inverted U
Groove cooperate do relative to wheel shaft with upper shifting or move down elevating movement.
Preferably, the hydraulic system also includes boosting-rod, and the boosting-rod is hollow steel pipe, and support frame as described above is provided with
Cylindrical drum for placing boosting-rod.
The hydraulic system sets boosting-rod, when using, only the boosting-rod of hollow steel pipe structure need to be set in into hydraulic pressure thousand
Operated on the handle on jin top, advantageously reduce human cost, simplify operating process.To directly add after boosting-rod has been used
Power bar is positioned in the cylindrical drum on support frame and is deposited.
Preferably, support frame as described above bottom and fixed block are connected by base plate, support frame as described above bottom and fixed block
On be equipped with bolt hole, the base plate is provided with and be connected heavy is adapted with the bolt hole on support frame as described above bottom and fixed block
Head bore, support frame as described above, base plate and fixed block pass sequentially through bolt connection.
Being detachably connected for support frame and fixed plate is realized by base plate and bolt, is easy to the peace of the auxiliary device for moving
Dress and maintenance operation.
Preferably, the fixed block upper surface is provided with the second gudgeon, and second gudgeon is provided with through hole;The base plate
Side wall is provided with third ear axle and blind hole, and the third ear axle is provided with through hole, and the blind hole is coaxial with the through hole on third ear axle
And aperture is equal;Second gudgeon and third ear axle are in mating connection, are slightly sequentially passed through by positioning logical on third ear axle
Through hole on hole, the second gudgeon, the blind hole being finally inserted on sidewall of the bottom plate fixes the base plate and fixed block.
Being detachably connected for fixed block and base plate, and simple structure are slightly realized by using gudgeon and positioning, it is easy to operate,
Be conducive to further enhancing the steadiness of fixed block and base plate connection simultaneously.
Preferably, the 4th gudgeon is equipped with the fixed block on the relative side wall in position, the 4th gudgeon is provided with
Through hole, fixed block side wall is provided with through hole, and the 4th gudgeon on fixed block cooperates with the gudgeon on helicopter foot stool,
By carrier bar sequentially pass through the through hole on the 4th gudgeon, the through hole on gudgeon, the through hole on fixed block, the through hole on gudgeon and
Be fixed on helicopter foot stool on fixed block by the through hole on the 4th gudgeon.
Being detachably connected for helicopter foot stool and fixed block, and the carrier bar are realized by gudgeon, through hole and carrier bar
The effect of existing connection, fixed helicopter foot stool and fixed block;Meanwhile, it is main when helicopter is lifted by hydraulic jack
The effect of helicopter gravity is loaded by carrier bar.
Preferably, one end of the carrier bar major axis is provided with block, and the other end of carrier bar is provided with the through hole that insertion is slightly followed closely.
Realized to going straight up to under-chassis by the slightly nail that through hole is inserted by the block and the carrier bar other end of carrier bar one end
The spacing fixation of frame and fixed block, especially with during, is conducive to preventing helicopter foot stool or fixed block along carrying
Bar is slided, and causes the damage of mechanical structure or security incident occurs.
Preferably, locating piece is arranged with the wheel shaft, the locating piece is used to limit support frame in axle axial direction
Movement.
Can be used to limit movement of the support frame in axle axial direction by the symmetrical even number locating piece that is arranged on wheel shaft,
Be conducive to increasing frame overall structure mounting stability.
Preferably, first gudgeon is provided with screwed hole, and the hydraulic jack top/bottom part is provided with counter sink, by bolt
Sequentially pass through the counter sink and screwed hole the bottom of hydraulic jack is fixed on the first gudgeon.
The utility model compared with prior art, has the following advantages and advantages:
1st, a kind of simple type helicopter ground moving servicing unit of the utility model, simple structure, device uses hydraulic pressure
The mode that system and mechanical device are combined, its compact overall structure, it is to avoid the complexity of conventional helicopter ground mobile device
Property;
2nd, a kind of simple type helicopter ground moving servicing unit of the utility model, the device is simple to operate, it is not necessary to compared with
Operating technology high;Overall volume is smaller, stores and transport more convenient, and practical and economical;
3rd, a kind of simple type helicopter ground moving servicing unit of the utility model, easy to maintenance quick, the device is used
Module is designed, and most of primary elements are all standard component, and maintenance is quick to be had conveniently.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is the utility model assembly structure diagram;
Fig. 3 is the utility model heavy type wheel train structure schematic diagram;
Fig. 4 is the utility model rack construction schematic diagram.
Mark and corresponding parts title in accompanying drawing:1- heavy type trains, 101- band tyres, 102- wheel shafts, 103- the
One gudgeon, 104- locating pieces, 105- lock-screws, 106- keys, 107- bearings, 108- openings nut, 109- hexagon socket head cap screws,
110- end caps, 111- jump rings, 2- hydraulic systems, 201- hydraulic jacks, 202- counter sinks, 203- blind holes, 204- boosting-rods, 3-
Frame, 301- support frames, 302- fixed blocks, 303- base plates, 304- inverted U grooves, 305- cylinders, 306- bolts, the ears of 307- second
Axle, 308- third ear axles, 309- is positioned slightly, and the gudgeons of 310- the 4th, 311- carrier bars, 312- is slightly followed closely, and 313- bolt assemblies, 4- is straight
Rise under-chassis frame, 401- gudgeons.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figures 1-4, a kind of simple type helicopter ground moving servicing unit, including heavy train 1, hydraulic system 2
With frame 3.Heavy train 1 includes band tyre 101 and wheel shaft 102, and even an identical band tyre 101 is respectively arranged in wheel shaft
The two ends of 102 major axis, are arranged with a pair first gudgeons 103, the first ear on the wheel shaft 102 between two band tyres 101
Axle 103 is provided with four equally distributed bolts hole;
Hydraulic system 2 includes hydraulic jack 201, and the bottom of hydraulic jack 201 is provided with four equally distributed countersunk heads
Hole 202, counter sink 202 is adapted with the bolt hole on the first gudgeon 103, and counter sink 202 is sequentially passed through by hexagon socket head cap screw
The bottom of hydraulic jack 201 is fixed on the first gudgeon 103 with the bolt hole;
Frame 3 includes that support frame 301 and the top of fixed block 302 are connected with the top of the hydraulic jack 201, and support frame
301 bottoms and fixed block 302 are connected, and support frame 301 drives fixed block 302 to do upper shifting or lower shifting movement with hydraulic jack 201,
Fixed block 302 is used to fix helicopter foot stool 4.
Embodiment 2
As shown in Figures 2 and 3, on the basis of embodiment 1 further, a kind of simple type helicopter ground moving auxiliary
Device, support frame 301 is in inverted U, and inverted U support frame 301 is covered in hydraulic jack 201.The spiral shell at the top of hydraulic jack 201
Bar is provided with blind hole 203, and the top center of support frame 301 is provided with through hole, support frame is sequentially passed through by bolt assembly 313
The blind hole of through hole and the top of hydraulic jack 201 on 301, the top of support frame 301 is fixed with the top of hydraulic jack 201 and is connected
Connect.An inverted U groove 304 is respectively equipped with the relative side wall of inverted U support frame 301, wheel shaft 102 sequentially passes through inverted U support
Inverted U groove 304 on the side wall of frame 301.
Hydraulic system 2 also includes boosting-rod 204, and boosting-rod 204 is hollow steel pipe, is welded on the skew back face of support frame 301
There is the cylindrical drum 305 for placing boosting-rod 204.
Embodiment 3
As shown in Figures 2 and 3, on the basis of embodiment 2 further, a kind of simple type helicopter ground moving auxiliary
Device, the bottom of support frame 301 and fixed block 302 are connected by base plate 303:
Be equipped with bolt hole on the bottom surface of support frame 301 and fixed block 302, base plate 303 be provided with the bottom surface of support frame 301 and
The counter sink that bolt hole on fixed block 302 is adapted, support frame 301, base plate 303 and fixed block 302 pass sequentially through bolt 306
Connection, bolt uses hexagon socket head cap screw;
The upper surface of fixed block 302 is provided with two the second symmetrical gudgeons 307, and the center of the second gudgeon 307 is provided with through hole;
The relative side wall in position is provided with two symmetrical third ear axles (308) and blind hole, the center of third ear axle 308 on base plate 303
Place is provided with through hole, and blind hole is coaxial with the through hole on third ear axle 308 and aperture is equal;Second gudgeon 307 and the phase of third ear axle 308
It is connected, sequentially passes through the through hole on third ear axle 308, leading on the second gudgeon 307 by two positioning slightly 309 respectively
Hole, the blind hole being finally inserted on the side wall of base plate 303 fixes the base plate 303 and fixed block 302.
Embodiment 4
As shown in Figures 2 and 3, on the basis of embodiment 3 further, a kind of simple type helicopter ground moving auxiliary
Device, the relative side wall in position is provided with two the 4th symmetrical gudgeons 310 on fixed block 302, and the 4th gudgeon 310 is provided with logical
Hole, the side wall of fixed block 302 is provided with through hole, two on two the 4th gudgeons 310 and helicopter foot stool 4 on fixed block 302
Gudgeon 401 is cooperated, and through hole, the one of gudgeon on one of them the 4th gudgeon 310 are sequentially passed through by carrier bar 311
The through hole on through hole, fixed block 302 on 401, leading on through hole and another the 4th gudgeon 310 on another gudgeon 401
Be fixed on helicopter foot stool 4 on fixed block 302 by hole.One end of the major axis of carrier bar 311 is provided with round table-like block, carrier bar
311 other end is provided with the through hole of insertion slightly nail 312.
Embodiment 5
As shown in figure 4, on the basis of embodiment 4 further, a kind of simple type helicopter ground moving servicing unit,
Locating piece 104 is arranged with wheel shaft 102, locating piece 104 is used to limit movement of the support frame 301 in the axial direction of wheel shaft 102.Institute
State the side wall of locating piece 104 and be provided with bolt hole, by clamping screw 105 through the bolt hole on locating piece 104 until with wheel shaft
102 are offseted, and locating piece 104 is fixed on the two ends of inverted U support frame 301.
Band tyre 101 carries out key and is connected with wheel shaft 102 by key 106, the band tyre 101 of the both sides of wheel shaft 102
Deng part, erection sequence is followed successively by a gudgeon 103, side wall of inverted U support frame 301, solid from inside to outside on wheel shaft 102
Determine block 104, jump ring 111, band tyre 101, bearing 107, opening nut 108 and end cap 110, the end cap 110 is six in
Angle nut 109 is fixed on the nut 108 of opening.
A kind of operation principle of simple type helicopter ground moving servicing unit of the embodiment 5 is:
Step one, takes out slightly follow closely 312 first, then extracts carrier bar 311, subsequently enters step 2;
Step 2, helicopter ground moving servicing unit is moved to by helicopter foot stool 4, and band tyre 101 is across straight
Under-chassis frame 4 is risen, the gudgeon 401 of helicopter foot stool 4 is put into the height for adjusting hydraulic system 2 the 4th gudgeon 310 of fixed block 302
Interior, the insertion fixed block 302 of carrier bar 311 simultaneously will slightly follow closely 312 insertions, subsequently enter step 3;
Step 3, adjusts the height of liquid system 2 by helicopter lifting, then moves helicopter by draw-gear, arrives
The height of hydraulic system 2 is adjusted after up to specified location, slightly nail 312 is taken out and is extracted carrier bar 311, by helicopter ground moving auxiliary
Device is removed, and subsequently enters step 4.
Step 4, fixed block 302 is inserted by carrier bar 311, and insertion slightly follows closely 312.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step is described in detail, be should be understood that and be the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equally replaces
Change, improve, should be included within protection domain of the present utility model.