CN110979720B - A collapsible formula high wind damping mooring rod for fixing helicopter rotor - Google Patents
A collapsible formula high wind damping mooring rod for fixing helicopter rotor Download PDFInfo
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- CN110979720B CN110979720B CN201911207742.0A CN201911207742A CN110979720B CN 110979720 B CN110979720 B CN 110979720B CN 201911207742 A CN201911207742 A CN 201911207742A CN 110979720 B CN110979720 B CN 110979720B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F3/00—Ground installations specially adapted for captive aircraft
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Abstract
The invention discloses a retractable strong wind damping mooring rod for fixing a helicopter rotor, which comprises a mounting base mechanism, a telescopic rod mechanism and a rotor fixing mechanism, wherein the telescopic rod mechanism is arranged on the mounting base mechanism and can extend and retract along the vertical direction; rotor fixed establishment including set up rotor locating support on telescopic link mechanism and articulated rotor fixation clamp that sets up on rotor locating support, this technical scheme's strong wind damping tie rod carries out basic support and fixed basis to the helicopter rotor on, the effort that produces when can attenuate the vertical vibration of rotor under the strong wind weather, the protection rotor does not receive the damage, simple structure, convenient operation.
Description
Technical Field
The invention relates to the field of mechanical vibration reduction, in particular to a retractable strong wind vibration reduction mooring rod for fixing a helicopter rotor.
Background
Helicopters have found wide application in various fields as a kind of multifunctional flight device. When the helicopter is parked in a helicopter way, the rotor suspended in the air for a long time can swing up and down when being acted by strong wind, so that the damage is easily caused, and the attendance efficiency and flight safety of the helicopter can be influenced even under some conditions. It is therefore necessary to support and fix the rotor vertically in order to protect it from damage. Current helicopter is equipped with the support mooring device of rotor only a small amount, and mostly adopts ordinary rigidity member lug connection rotor and ground, only can play basic supporting role, because directly carry out the rigidity between rotor and ground and support, under the strong wind condition, the vertical vibration that the rotor produced is easy to pass through ground reaction on the rotor with power, causes the rotor to damage.
Simultaneously, the helicopter rotor that uses at present supports mooring device is two segmentation member bars in top fixed establishment, has three problem like this: firstly, the rod piece is long, needs to occupy a long space when being stored, is inconvenient to carry, and is particularly inconvenient to carry as maintenance equipment in the limited space of the helicopter; secondly, the knob can only be manually rotated at the position on the upper middle part to lock the two rod pieces, so that certain time and force are needed, and operators are inconvenient to judge whether the fastening degree can meet the working requirements of the rod pieces; when the rod piece is used for fixing the rotor wing packaging sleeve, the top part can only be operated and fixed, and the height of the rotor wing is higher (2 meters and more), so that the top part is difficult to fix.
Because the existing supporting and mooring device for the helicopter rotor has the defects that the efficiency of the attendance and maintenance of the helicopter and even the flight safety are affected, the supporting and mooring device for the helicopter rotor is more reasonable and reliable, is easy to operate, can protect the rotor under strong wind, and is convenient to store and even carry randomly.
Disclosure of Invention
In view of this, this patent has invented a collapsible formula strong wind damping tie rod for fixing helicopter rotor, can attenuate the effort that produces when the rotor vertically vibrates under the strong wind weather, and the protection rotor does not receive the damage, simple structure, convenient operation.
A retractable strong wind damping mooring rod for fixing a helicopter rotor comprises an installation base mechanism, a telescopic rod mechanism and a rotor fixing mechanism, wherein the telescopic rod mechanism is arranged on the installation base mechanism and can be stretched along the vertical direction, and the rotor fixing mechanism is arranged on the telescopic rod mechanism and is used for clamping and fixing the rotor; rotor fixed establishment is including setting up rotor locating support on telescopic link mechanism and articulated rotor fixation clamp that sets up on rotor locating support.
Further, the telescopic rod mechanism comprises a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod which are sequentially arranged from top to bottom, and the four telescopic rods are hollow rods; the bottom end of the second telescopic rod end is provided with an installation beam for installing a steel wire rope; a first telescopic joint component is arranged between the first telescopic rod and the second telescopic rod, and a second telescopic joint component is arranged between the second telescopic rod and the third telescopic rod.
Furthermore, the rotor wing positioning support comprises two support crossbeams, two support longitudinal beams and a support connecting plate arranged in the middle of the two support crossbeams, the two support crossbeams are identical in structure, the two support longitudinal beams are also identical in structure, the support longitudinal beams are connected with the end parts of the support crossbeams in a hinged mode, the rotor wing fixing clamps are two, the two rotor wing fixing clamps are symmetrically arranged on the two support longitudinal beams relative to the telescopic link mechanism, the end parts of the rotor wing fixing clamps are provided with wiring grooves, and mounting holes are formed in the wiring grooves; wire rope one end is fixed to be set up in the mounting hole of rotor fixation clamp, and the wire rope other end is worn into in the first telescopic link and is walked around the installation crossbeam and wear out from first telescopic link and finally fix and set up in the mounting hole of another rotor fixation clamp.
Further, the first telescopic joint component comprises an outer cylindrical sleeve sleeved on the end part of the second telescopic rod, an upper sleeve fixedly arranged on the outer cylindrical sleeve, a lower sleeve fixedly arranged on the outer cylindrical sleeve, a clamping jaw arranged on the outer cylindrical sleeve and a sliding sleeve which is arranged between the upper sleeve and the lower sleeve and can slide along the vertical direction; the outer cylindrical sleeve is provided with a convex ring structure in the circumferential direction, and the clamping jaws are hinged on the convex ring structure; all be provided with the jack catch through-hole that the jack catch rotated the back and be used for locking first telescopic link on outer cylinder cover and the second telescopic link, be provided with the jack catch spring between upper cover and the outer cylinder cover, jack catch spring one end is fixed in the upper cover.
Further, first flexible joint subassembly is the same with the flexible joint subassembly structure of second, first telescopic link and second telescopic link bottom all are provided with the card and end the groove with jack catch cooperation use, it is right trapezoid structure to end the groove cross-section, the installation crossbeam sets up bottom in the second telescopic link.
Further, support crossbeam tip is provided with and is used for rotating the support cylinder cover of being connected with the support longeron, be provided with in the support cylinder cover and be used for carrying out the support torsional spring that resets with the rotor fixation clamp.
Further, installation base mechanism includes the bottom combination cover of fixedly connected with fourth telescopic link bottom end, the pull rod that sets up with bottom combination cover is articulated, the frame bracing piece that sets up with the pull rod is articulated and the frame sliding sleeve that sets up with the frame bracing piece is articulated and can move along vertical direction in the fourth telescopic link.
Furthermore, the bottom combining sleeve is fixedly connected with the bottom end of the fourth telescopic rod, an installation boss for hinging the pull rod is arranged on the outer circumference of the bottom combining sleeve, and the stand supporting rod is provided with a pull rod installation groove for installing the pull rod; and an annular flanging structure hinged with the stand supporting rod is arranged at the bottom of the stand sliding sleeve.
Further, the bottom of the stand support rod is provided with a vibration damping strip, the top end of the stand sliding sleeve and the bottom end of the fourth telescopic rod are provided with an installation cavity, a compression spring is arranged in the installation cavity, and vibration damping rubber is arranged inside the stand sliding sleeve.
Further, a cylindrical elastic material is sleeved outside the support cross beam, and a fixing ring is arranged on the support connecting plate.
The beneficial effects of the invention are:
1. on the basis of basic supporting and fixing of the helicopter rotor, the invention can attenuate the acting force generated when the rotor vertically vibrates in strong wind weather and protect the rotor from being damaged.
2. When fixing the rotor packaging sleeve, because the rotor is high, the operation is inconvenient, so that the steel wire rope in the pipe can be pulled by utilizing the mutual movement between the rod pieces, the top rotor fixing clamp is operated to clamp the rotor packaging sleeve, the operating mechanism is arranged in the rod, and the operation is simple and convenient.
3. The telescopic joint rod piece can be automatically locked after being stretched to a certain position, the locking can be quickly released only by operating the telescopic joint sliding sleeve to slide upwards during the telescopic rod piece, and the working efficiency can be obviously improved when the helicopter is quickly moored.
4. The quick detach formula fixation clamp between third telescopic link and the fourth telescopic link can realize the infinitely variable control of height to can satisfy the mooring to the helicopter rotor of co-altitude not, quick detach formula fixation clamp can carry out the locking fast simultaneously and relieve the locking.
5. Because the rod piece diameter from top to bottom increases in proper order, can shrink downwards when unoperated state, bottom pull rod and bracing piece also can be folded up and combine the cover in the bottom to make the length of whole mechanism reduce, whole volume reduces, can not occupy a large amount of spaces when depositing, can satisfy and carry when the helicopter goes out the operation even.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a rotor retaining clip according to the present invention;
figure 3 is an elevation view of a rotor retaining clip of the present invention;
figure 4 is a side view of a rotor retainer clip of the present invention;
FIG. 5 is a schematic view of a second telescopic rod according to the present invention;
FIG. 6 is a schematic view of the telescopic joint of the present invention;
FIG. 7 is a schematic view of the mounting base mechanism of the present invention;
FIG. 8 is a schematic view of a wire rope connection structure according to the present invention;
FIG. 9 is a schematic view of a quick release type fixing clip according to the present invention;
fig. 10 is an enlarged view at B.
Reference numerals
A wire rope 4; a bracket beam 11; a rotor wing fixing clip 12; a rubber guide wheel 13; a fixed ring 14; a shaft pin 15; a hollow tube 16; a bracket cylindrical sleeve 17; a torsion spring mounting groove 18; a first telescopic rod 21; a first expansion joint assembly 22; a second telescopic rod 23; a second expansion joint assembly 24; a third telescopic rod 25; a quick release retaining clip 26; a fourth telescopic rod 27; a bottom coupling sleeve 31; a pull rod 32; a stand support bar 33; the damping strips 34; a vibration damping rubber 35; a base sliding sleeve 36; a compression spring 37; an annular flange structure 38; a perforated limiting seat 110; a rope winding hole 111; a bracket connection plate 112; a torsion spring slot 122; a mating hole 123; a bracket rail 124; rotor retainer clip cylindrical end 121; a rope winding groove 125; mounting holes 126; a locking groove 210; an outer cylindrical sleeve 221; an upper casing 222; a pawl spring 223; a sliding sleeve 224; a lower sleeve 226; a claw 227; a raised ring structure 228; a jaw torsion spring 229; a mounting cross member 230; sealing end face 270.
Detailed Description
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic view of a rotor retaining clip according to the present invention; figure 3 is an elevation view of a rotor retaining clip of the present invention; figure 4 is a side view of a rotor retainer clip of the present invention; FIG. 5 is a schematic view of a second telescopic rod according to the present invention; FIG. 6 is a schematic view of the telescopic joint of the present invention; FIG. 7 is a schematic structural view of a mounting base mechanism of the present invention; FIG. 8 is a schematic view of a wire rope connection structure according to the present invention; FIG. 9 is a schematic view of a quick release type fixing clip according to the present invention; FIG. 10 is an enlarged view at B; as shown in the figure; a retractable strong wind damping mooring rod for fixing a helicopter rotor comprises an installation base mechanism, a telescopic rod mechanism and a rotor fixing mechanism, wherein the telescopic rod mechanism is arranged on the installation base mechanism and can be stretched along the vertical direction, and the rotor fixing mechanism is arranged on the telescopic rod mechanism and is used for clamping and fixing the rotor; the rotor wing fixing mechanism comprises a rotor wing positioning bracket arranged on the telescopic rod mechanism and a rotor wing fixing clamp 12 hinged on the rotor wing positioning bracket; the damping mooring rod of the technical scheme can attenuate acting force generated when the rotor vertically vibrates in strong wind weather, and can protect the rotor from being damaged, and the damping mooring rod is simple in structure and convenient to operate.
In this embodiment, the telescopic rod mechanism comprises a first telescopic rod 21, a second telescopic rod 23, a third telescopic rod 25 and a fourth telescopic rod 27 which are sequentially arranged from top to bottom, and the four telescopic rods are all hollow rods; the bottom end of the second telescopic rod end is provided with an installation beam 230 for installing a steel wire rope; be provided with first flexible joint subassembly between first telescopic link 21 and the second telescopic link 23, be provided with the flexible joint subassembly of second between second telescopic link 23 and the third telescopic link 25, all can independently contract between each telescopic link, the telescopic link diameter from the top down (from the top down in fig. 1 is promptly) increases in proper order certainly, it is convenient in receiving and releasing the telescopic link, adopt prior art's quick detach formula fixation clamp 26 to connect the setting between third telescopic link 25 and the fourth telescopic link 27, do not do too much repeated here, fourth telescopic link upper end is equipped with four axial flutings, be convenient for quick detach formula mount presss from both sides tight member (makes it slightly warp).
In this embodiment, the rotor positioning bracket includes two bracket beams 11, two bracket longitudinal beams 124 and a bracket connecting plate 112 disposed in the middle of the two bracket beams 11, the two bracket beams 11 have the same structure and the two bracket longitudinal beams 124 have the same structure, the bracket longitudinal beams 124 are connected with the end portions of the bracket beams 11 in a hinged manner, the rotor fixing clamps 12 are two and two rotor fixing clamps 12 are symmetrically disposed on the two bracket longitudinal beams 124 relative to the telescopic rod mechanism, the end portions of the rotor fixing clamps 12 are provided with rope winding grooves 124, and the rope winding grooves 124 are provided with mounting holes 126; the utility model discloses a rotor wing fixed clamp, including rotor wing fixed clamp 12, wire rope 4 one end is fixed to be set up in the mounting hole 126 of rotor wing fixed clamp 12, the wire rope 4 other end wears into first telescopic link and passes through installation crossbeam 230 and wear out from first telescopic link and finally fixes and set up in the mounting hole 126 of another rotor wing fixed clamp 12, rotor wing location support is the support of a rectangular structure, leg joint plate 112 sets up in the centre and plays the effect of location and support installation, leg joint plate 112 is provided with four foraminiferous spacing seats 110, be used for passing wire rope 4 and carry out spacingly, leg joint plate 112 bottom is provided with hollow tube 16, it is convenient in inserting inside first telescopic link 21, rotor wing fixed clamp 12 tip is the cylinder structure, be provided with round wiring recess 125 on rotor wing fixed clamp cylinder end 121, wire rope 4's tip is fixed to be set up in mounting hole 126, when needing to receive and release wire rope 4, wiring recess 125 facilitates setting up in carrying out the rope, the use of foraminiferous spacing seat 110 ensures that whole process wire rope 4 can not appear, the circumstances such as the slack knot appears, play reasonable circuit planning, wire rope 4's end is fixed in mounting hole 126, pass through foraminiferous spacing seat 110, it realizes that rotor wing fixed clamp 12 rotates to pass through the telescopic link 12 again to pass through the telescopic link 12 of telescopic link 12 in the telescopic link 12 that the telescopic link 12 of the telescopic link 12 rotates, thereby the rotor wing fixed clamp in turn drives the telescopic link 12 of telescopic link 12, it drives the telescopic link 12 to stretch again.
In this embodiment, the first telescopic joint assembly includes an outer cylindrical sleeve 221 sleeved on the end of the second telescopic rod 21, an upper sleeve 222 fixedly disposed on the outer cylindrical sleeve 221, a lower sleeve 226 fixedly disposed on the outer cylindrical sleeve 221, a jaw 227 disposed on the outer cylindrical sleeve 22, and a sliding sleeve 224 disposed between the upper sleeve 222 and the lower sleeve 226 and capable of sliding along the vertical direction; a convex ring structure 228 is arranged in the circumferential direction of the outer cylindrical sleeve 221, and the clamping jaws 227 are hinged on the convex ring structure 228; the outer cylindrical sleeve 221 and the second telescopic rod 21 are both provided with a claw through hole for locking the first telescopic rod after a claw 227 rotates, a claw spring 223 is arranged between the upper sleeve 222 and the outer cylindrical sleeve 221, one end of the claw spring 223 is fixed on the upper sleeve 222, the outer cylindrical sleeve 221 protrudes outwards along the radial direction to form a convex ring structure 228, the convex ring structure 228 is provided with an annular mounting groove for hinging and mounting the claw 227, so that the claw is conveniently mounted on the convex ring structure 228, the convex ring structure 228 is further provided with a claw torsion spring 229 for driving the claw to rotate, the sliding sleeve 224 can slide along the vertical direction (namely the vertical axial direction in fig. 6), the sliding sleeve 224 protrudes inwards along the radial direction to form a shifting ring of an annular structure, when the sliding sleeve 224 slides upwards, the shifting ring structure on the inner side of the sliding sleeve shifts the claw 227 to rotate outwards to release the telescopic rod, and the claw torsion spring 229 realizes the resetting function of the mechanism.
In this embodiment, the first telescopic joint assembly and the second telescopic joint assembly have the same structure, the bottom ends of the first telescopic rod 21 and the second telescopic rod 23 are both provided with a clamping groove 210 used in cooperation with a clamping claw, the cross section of the clamping groove 210 is of a right trapezoid structure, and the mounting beam 230 is arranged at the bottom in the second telescopic rod. The end parts of the outer cylindrical sleeve 221 and the second telescopic rod 23 are provided with openings for the claws 227 to rotate for locking, the clamping groove 210 is structurally set into an annular groove with a right trapezoid-shaped cross section, the clamping groove is convenient to be matched with the claws 227 for use, in the using process, when the first telescopic rod 21 is pulled upwards, after the clamping groove is stretched to a designated position, the claws 227 are brought to the claws through the claws 229 to rotate to enter the clamping groove 210 for locking, when the locking state needs to be relieved, the locking can be realized only by pushing the sliding sleeve 224, the operation is simple, the second telescopic joint is structurally the same as the first telescopic joint, the difference is that the bottom of the second telescopic rod is provided with an installation crossbeam 230 for limiting a steel wire rope, when the packaging sleeve of the rotor is fixed, the rotor is higher in height and inconvenient to operate, so that the steel wire rope 4 in the pipe can be pulled by utilizing the mutual movement between the rod pieces, and the rotor fixing clamp at the top part clamps tightly clamp the rotor packaging sleeve, the operating mechanism is arranged in the rod, and the operation is simple and convenient.
In this embodiment, 11 tip of support crossbeam is provided with and is used for rotating the support cylinder cover 17 of being connected with support longeron 124, be provided with in the support cylinder cover 17 and be used for carrying out the support torsional spring that resets with the rotor fixation clamp, support cylinder cover 17 adopts integrated into one piece's mode with support crossbeam 11, and support longeron 124 realizes connecting the installation through pivot 15, and the setting of torsional spring mounting groove 18 and torsional spring groove 122 makes things convenient for the torsional spring in installation rotor fixation clamp 12 for rotor fixation clamp can self return when not using.
In this embodiment, the installation base mechanism includes a bottom combining sleeve 31 fixedly connected to the bottom end of the fourth telescopic rod, a pull rod 32 hinged to the bottom combining sleeve 31, a base support rod 33 hinged to the pull rod 32, and a base sliding sleeve 36 hinged to the base support rod 33 and capable of moving in the vertical direction inside the fourth telescopic rod. The bottom combining sleeve 31 is fixedly connected with the bottom end of the fourth telescopic rod 27, an installation boss 31 for hinging the pull rod is arranged on the outer circumference of the bottom combining sleeve 31, and the stand supporting rod is provided with a pull rod installation groove for installing the pull rod; the bottom of the engine base sliding sleeve 36 is provided with an annular flanging structure 38 (the engine base sliding sleeve 36 is integrally in a structure like a Chinese character 'ji') hinged with the engine base supporting rod 33, the bottom of the fourth telescopic rod is provided with a sealing end face 270 for sealing the fourth telescopic rod, and the bottom combining sleeve 31 and the bottom end of the fourth telescopic rod 27 are fixedly connected in a threaded connection mode. The arrangement of the mounting boss 31 is convenient for hinging the pull rod 32, the pull rod is hinged with the base support rod 33, and meanwhile, the base support rod is hinged with the annular flanging structure 38. The base sliding sleeve 36 can move in the vertical direction to drive the base supporting rod 33 to rotate.
In this embodiment, the bottom of the base support rod 33 is provided with a damping strip 34, an installation cavity is formed between the top end of the base sliding sleeve 36 and the bottom end (i.e., the sealing end surface 270) of the fourth telescopic rod, a compression spring 37 is arranged in the installation cavity, damping rubber 35 is arranged inside the base sliding sleeve, and the damping strip 34 and the damping rubber 35 are made of rubber materials. When the helicopter rotor needs to be fixed, the mooring rod is firstly placed at the corresponding position, and the base sliding sleeve 36 slides along the inside of the fourth telescopic rod 27 when the base mounting mechanism is vertically pressed, so that the base supporting rod 33 is driven to rotate downwards, the base supporting rod 33 is supported by the pull rod 32 and supported on the ground, and at the moment, the compression spring 37 on the upper part of the base sliding sleeve 36 is in a compressed state. When the telescopic rod is retracted and the base mechanism is installed on the ground, the compression spring 37 releases pressure, so as to push the base sliding sleeve 36 to move downwards in the fourth telescopic rod 27, the base supporting rod 33 and the pull rod 32 rotate around the pin, and finally the supporting rod is retracted into the pull rod installing groove of the installing pull rod 32 (the base supporting rod 33 is similar to an H-shaped steel structure and has two grooves, one groove is used for installing the vibration damping strip 34, and the other groove is used for accommodating the pull rod 32), the vibration damping strip 34 plays a role in damping and increasing friction force between the base supporting rod 33 and the ground when the base supporting rod 33 supports the ground, so that a protection effect is achieved, the base supporting rod 33 can be arranged in a plurality according to use requirements, and the base sliding sleeve 36 can be uniformly arranged in the circumferential direction.
In this embodiment, support beam 11 overcoat has cylindrical elasticity guide pulley 13 (can adopt rubber etc. to have elastic material), be provided with solid fixed ring 14 on the leg joint board 112, guide pulley 13 is easy to assemble and plays the guard action to the rotor, gu fixed ring 14 can adopt the rope to be connected with the helicopter organism, plays the effect of auxiliary connection, further promotion holistic stability.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A collapsible strong wind damping tie rod for fixing helicopter rotors, its characterized in that: the rotary wing fixing device comprises a mounting base mechanism, a telescopic rod mechanism and a rotary wing fixing mechanism, wherein the telescopic rod mechanism is arranged on the mounting base mechanism and can stretch out and draw back along the vertical direction; the rotor wing fixing mechanism comprises a rotor wing positioning bracket arranged on the telescopic rod mechanism and a rotor wing fixing clamp hinged on the rotor wing positioning bracket; the telescopic rod mechanism comprises a first telescopic rod, a second telescopic rod, a third telescopic rod and a fourth telescopic rod which are sequentially arranged from top to bottom, and the four telescopic rods are hollow rods; the bottom end of the second telescopic rod end is provided with an installation beam for installing a steel wire rope; a first telescopic joint component is arranged between the first telescopic rod and the second telescopic rod, and a second telescopic joint component is arranged between the second telescopic rod and the third telescopic rod; the rotor wing positioning support comprises two support crossbeams, two support longitudinal beams and a support connecting plate arranged in the middle of the two support crossbeams, the two support crossbeams are identical in structure, the two support longitudinal beams are also identical in structure, the support longitudinal beams are connected with the end parts of the support crossbeams in a hinged mode, the rotor wing fixing clamps are two, the two rotor wing fixing clamps are symmetrically arranged on the two support longitudinal beams relative to the telescopic link mechanism, the end parts of the rotor wing fixing clamps are provided with wiring grooves, and mounting holes are formed in the wiring grooves; wire rope one end is fixed to be set up in the mounting hole of rotor fixation clamp, and the wire rope other end is worn into in the first telescopic link and is walked around the installation crossbeam and wear out from first telescopic link and finally fix and set up in the mounting hole of another rotor fixation clamp.
2. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 1 wherein: the first telescopic joint component comprises an outer cylindrical sleeve sleeved on the end part of the second telescopic rod, an upper sleeve fixedly arranged on the outer cylindrical sleeve, a lower sleeve fixedly arranged on the outer cylindrical sleeve, a clamping jaw arranged on the outer cylindrical sleeve and a sliding sleeve which is arranged between the upper sleeve and the lower sleeve and can slide along the vertical direction; the outer cylindrical sleeve is provided with a convex ring structure in the circumferential direction, and the clamping jaws are hinged on the convex ring structure; the outer cylindrical sleeve and the second telescopic rod are respectively provided with a claw through hole for locking the first telescopic rod after a claw rotates, a claw spring is arranged between the upper sleeve and the outer cylindrical sleeve, and one end of the claw spring is fixed on the upper sleeve.
3. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 2 wherein: first flexible joint subassembly is the same with the flexible joint subassembly structure of second, first telescopic link and second telescopic link bottom all are provided with the card and end the groove with jack catch cooperation use, it is right trapezoid structure to end the groove cross-section, the installation crossbeam sets up bottom in the second telescopic link.
4. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 1 wherein: the support is characterized in that a support cylindrical sleeve which is used for being rotationally connected with the support longitudinal beam is arranged at the end part of the support cross beam, and a support torsion spring which is used for resetting the rotor wing fixing clamp is arranged in the support cylindrical sleeve.
5. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 1 wherein: the installation base mechanism comprises a bottom combining sleeve fixedly connected with the bottom end of the fourth telescopic rod, a pull rod hinged to the bottom combining sleeve, a base supporting rod hinged to the pull rod, and a base sliding sleeve hinged to the base supporting rod and capable of moving in the vertical direction inside the fourth telescopic rod.
6. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 5 wherein: the bottom combining sleeve is fixedly connected with the bottom end of the fourth telescopic rod, an installation boss for hinging the pull rod is arranged on the outer circumference of the bottom combining sleeve, and the stand supporting rod is provided with a pull rod installation groove for installing the pull rod; and an annular flanging structure hinged with the stand supporting rod is arranged at the bottom of the stand sliding sleeve.
7. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 6 wherein: the damping device is characterized in that a damping strip is arranged at the bottom of the stand supporting rod, an installation cavity is formed at the top end of the stand sliding sleeve and the bottom end of the fourth telescopic rod, a compression spring is arranged in the installation cavity, and damping rubber is arranged inside the stand sliding sleeve.
8. A retractable high wind damping tie rod for securing a helicopter rotor according to claim 1 further comprising: the support beam is sleeved with a cylindrical elastic material, and the support connecting plate is provided with a fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207742.0A CN110979720B (en) | 2019-11-29 | 2019-11-29 | A collapsible formula high wind damping mooring rod for fixing helicopter rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207742.0A CN110979720B (en) | 2019-11-29 | 2019-11-29 | A collapsible formula high wind damping mooring rod for fixing helicopter rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110979720A CN110979720A (en) | 2020-04-10 |
| CN110979720B true CN110979720B (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911207742.0A Active CN110979720B (en) | 2019-11-29 | 2019-11-29 | A collapsible formula high wind damping mooring rod for fixing helicopter rotor |
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| CN (1) | CN110979720B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8500059B2 (en) * | 2011-01-04 | 2013-08-06 | Ronald L. Beasley | Helicopter rotor blade tie down system |
| US9421673B2 (en) * | 2014-02-10 | 2016-08-23 | Davis Aircraft Products Co., Inc. | Helicopter rotor blade clamp |
| CN207482213U (en) * | 2017-10-16 | 2018-06-12 | 威海光威复合材料股份有限公司 | Telescopically adjustable lifting airscrew bracket car |
| CN207374702U (en) * | 2017-11-07 | 2018-05-18 | 景德镇市华通航空设备有限责任公司 | A kind of helicopter high wind mooring mast |
| CN208198819U (en) * | 2017-12-05 | 2018-12-07 | 湖南翔为通用航空有限公司 | A kind of lifting airscrew supporting protection device |
| CN209161228U (en) * | 2018-11-09 | 2019-07-26 | 浙江极客桥智能装备股份有限公司 | A kind of power line supporting structure being tethered at unmanned plane |
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2019
- 2019-11-29 CN CN201911207742.0A patent/CN110979720B/en active Active
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| CN110979720A (en) | 2020-04-10 |
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