CN116080922B - Movable hydraulic skid tractor mechanism - Google Patents
Movable hydraulic skid tractor mechanism Download PDFInfo
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- CN116080922B CN116080922B CN202310384088.0A CN202310384088A CN116080922B CN 116080922 B CN116080922 B CN 116080922B CN 202310384088 A CN202310384088 A CN 202310384088A CN 116080922 B CN116080922 B CN 116080922B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 230000008901 benefit Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000026058 directional locomotion Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/22—Ground or aircraft-carrier-deck installations for handling aircraft
- B64F1/223—Ground or aircraft-carrier-deck installations for handling aircraft for towing aircraft
- B64F1/225—Vehicles specially adapted therefor, e.g. aircraft tow tractors
- B64F1/227—Vehicles specially adapted therefor, e.g. aircraft tow tractors for direct connection to aircraft, e.g. tow tractors without towing bars
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses a movable hydraulic skid tractor mechanism, which comprises a skid traction device, wherein the skid traction device is used for being installed on an impact skid on a helicopter body; the skid traction device comprises a mounting seat, a mounting plate is arranged on the mounting seat in a sliding manner, a hand pump and a jack are arranged on the mounting seat, the hand pump is connected with the jack, and the movable end of the jack is used for being in contact with the bottom surface of the mounting plate; the bottom of the mounting seat is provided with a traction joint which is used for being detachably connected with the impact skid; connecting parts are arranged at two ends of the mounting seat, idler wheels are rotatably arranged on the connecting parts, and first limiting plates are arranged on the connecting parts; the invention aims to solve the potential safety hazard caused by small space, large steering radian of the casters of the traditional skid tractor in the prior art; and the traditional skid tractor mostly adopts a gear-rack structure, so that the working efficiency is low, the structure is complex, the processing difficulty is high, and the operation and use of a user are complex.
Description
Technical Field
The invention relates to the technical field of retractors, in particular to a movable hydraulic skid retractor mechanism.
Background
The skid tractor is mainly used for lifting the skid of the skid type helicopter off the ground when the skid type helicopter transitions, so that the skid type helicopter can be smoothly moved to a designated place. The working part is a skid type helicopter skid.
The traditional skid tractor widely used at present is a non-steerable skid tractor, namely one-direction traction, when a user needs traction, movement and steering, the non-steerable skid tractor has large working difficulty, time and labor consumption, large steering radian and high space requirement (especially on a ship), and the working efficiency of the non-steerable skid tractor is very low; when an emergency event or a human hand is not in order, the work of the user is seriously affected. And because the number of the transition aircrafts is large, the potential safety hazard is easily caused by small space and large steering radian in the use process of a user. And the traditional skid tractor mostly adopts a gear-rack structure, has low working efficiency, complex structure, large processing difficulty and complex operation and use of users.
Disclosure of Invention
The invention provides a movable hydraulic skid tractor mechanism, which aims to solve the potential safety hazard caused by small space, large steering radian of casters of the traditional skid tractor in the prior art; and the traditional skid tractor mostly adopts a gear-rack structure, so that the working efficiency is low, the structure is complex, the processing difficulty is high, and the operation and use of a user are complex.
In order to solve the technical problems, the invention adopts the following technical scheme:
the movable hydraulic skid tractor mechanism comprises a skid traction device, wherein the skid traction device is used for being installed on an impact skid on a helicopter body;
the skid traction device comprises a mounting seat, a mounting plate is arranged on the mounting seat in a sliding manner, a hand pump and a jack are arranged on the mounting seat, the hand pump is connected with the jack, and the movable end of the jack is used for being in contact with the bottom surface of the mounting plate; the bottom of the mounting seat is provided with a traction joint which is used for being detachably connected with the impact skid;
the both ends of mount pad are provided with connecting portion, rotate on the connecting portion and are provided with the gyro wheel, are provided with first limiting plate on the connecting portion, are provided with the second limiting plate on the gyro wheel, and the second limiting plate is located the below of first limiting plate to correspond with the position of first limiting plate, all be provided with spacing hole on first limiting plate and the second limiting plate, be used for installing spacing bolt in the spacing downthehole.
Further, the axes of the first limiting plate and the second limiting plate are collinear.
Further, the mounting seat and the mounting plate are of U-shaped structures, and the mounting plate of the U-shaped structures is buckled on the mounting seat of the U-shaped structures in a sliding manner.
Further, the upper end face of the movable end of the jack is provided with a recess, the mounting plate is provided with a bulge, and the recess is used for being in contact with the bulge.
Further, the hemispherical concave and convex are hemispherical structures.
Further, two clamping plates are fixedly arranged at the bottom of the second limiting plate, and the idler wheels are rotatably arranged between the two clamping plates; and lock holes are formed in the two clamping plates and the roller, and the lock holes are used for installing wheel locks.
Further, a plurality of hooks are arranged below the traction joint, and a supporting component is arranged on the side face of the impact skid and used for being installed on the hooks.
Further, the support assembly includes a threaded bore provided on the impact sled and a bolt provided in the threaded bore for clamping the hanger.
Further, the connecting portion comprises a connecting rod and a connecting cylinder, the connecting rod is fixedly connected with the connecting cylinder, a bearing is fixedly arranged in the connecting cylinder, and the idler wheel is in running fit with the connecting cylinder through the bearing.
Further, a compression bar is arranged on the hand pump.
Compared with the prior art, the invention has the following beneficial effects:
the invention mainly comprises a skid traction device, wherein in the actual use process, the skid traction device is firstly installed on two impact skids on a helicopter body; when in installation, firstly, two traction joints are respectively installed on two impact skids; when the helicopter is used, the limiting bolts are firstly arranged in the limiting holes between the first limiting plate and the second limiting plate so as to ensure that the rollers can not rotate with the connecting parts, then the hand pump is continuously pressurized, the movable end of the jack is lifted up after the hand pump is connected with the jack, the movable end is lifted up until the movable end is propped against the mounting plate, the mounting plate slides on the mounting seat, the mounting plate slowly ascends, the impact skis are driven to ascend after the mounting plate ascends, the whole helicopter body ascends, the rollers are contacted with the ground along with the ascending of the mounting plate, so that workers can pull the helicopter body through the skid traction devices arranged on the two impact skis, when the helicopter body needs to turn, the limiting bolts can be pulled out, the rollers can relatively rotate with the connecting parts, and turning can be performed when the helicopter body is pulled; when the traction movement is finished, the pressure of the pressure-bearing valve is slowly released, so that the jack slowly descends, and as the gravity of the whole helicopter body is balanced on the mounting plate, the movable end of the jack descends together with the mounting plate until the impact skids are contacted with the ground, and after the idler wheels are suspended, the traction joints on the two impact skids are taken down; the advantage of setting like this is that can carry out directional movement or steering movement through the gyro wheel, convenient operation, work efficiency is high, and the processing degree of difficulty is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the connection between a helicopter body and a skid traction device according to the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
In the figure, 101-helicopter body, 102-impact sled, 103-mount, 104-mounting plate, 105-hand pump, 106-jack, 107-traction joint, 108-connection, 109-roller, 110-first limiting plate, 111-second limiting plate, 112-limiting hole, 113-limiting bolt, 114-recess, 115-protrusion, 116-clamping plate, 117-lockhole, 118-wheel lock, 119-hook, 120-bolt, 121-threaded hole, 122-connecting rod, 123-connecting cylinder, 124-bearing, 125-compression bar, 126-round bar, 127-disc, 128-cylinder, 129-annular limiting groove, 130-clamping groove, 131-inclined plane, 132-mounting groove, 133-trapezoidal limiting block, 134-connecting rod, 135-spring, 136-sliding plate, 137-waist-shaped groove.
Detailed Description
The present invention is further described below in conjunction with embodiments, which are merely some, but not all embodiments of the present invention. Based on the embodiments of the present invention, other embodiments that may be used by those of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1
Referring to fig. 1 and 2, the present embodiment discloses a movable hydraulic skid tractor mechanism, which includes a skid traction device for being mounted on an impact skid 102 on a helicopter body 101;
the skid traction device comprises a mounting seat 103, a mounting plate 104 is slidably arranged on the mounting seat 103, a hand pump 105 and a jack 106 are arranged on the mounting seat 103, the hand pump 105 is connected with the jack 106, and the movable end of the jack 106 is used for being contacted with the bottom surface of the mounting plate 104; the bottom of the mounting seat 103 is provided with a traction joint 107, and the traction joint 107 is used for being detachably connected with the impact skid 102;
the two ends of the mounting seat 103 are provided with connecting parts 108, the connecting parts 108 are rotatably provided with rollers 109, the connecting parts 108 are provided with first limiting plates 110, the rollers 109 are provided with second limiting plates 111, the second limiting plates 111 are positioned below the first limiting plates 110 and correspond to the positions of the first limiting plates 110, the first limiting plates 110 and the second limiting plates 111 are provided with limiting holes 112, and limiting bolts 113 are arranged in the limiting holes 112;
the invention mainly comprises a skid traction device, wherein in the actual use process, the skid traction device is firstly installed on two impact skids 102 on a helicopter body 101; in the installation, first, two traction joints 107 are respectively installed on two impact skids 102; when the helicopter is used, the limiting bolts 113 are firstly arranged in the limiting holes 112 between the first limiting plate 110 and the second limiting plate 111 to ensure that the rollers 109 cannot rotate with the connecting parts 108, then the hand pump 105 is continuously pressurized, the hand pump 105 is connected with the jack 106, the jack 106 is pressurized through the hand pump 105, the movable end is lifted up until the movable end is lifted up on the mounting plate 104, the mounting plate 104 slides on the mounting seat 103, the mounting plate 104 slowly ascends, the impact sleds 102 are driven to ascend after the mounting plate 104 ascends, the whole helicopter body 101 ascends, the rollers 109 are contacted with the ground along with the ascending of the mounting plate 104, so that workers can pull and move the helicopter body 101 through the sleds traction devices arranged on the two impact sleds 102, when the helicopter body 101 needs to turn, the limiting bolts 113 can relatively rotate with the connecting parts 108, and further the helicopter body 101 can turn when the helicopter body 101 is pulled; after the traction movement is finished, slowly releasing the pressure of the pressure-receiving valve to enable the jack 106 to slowly descend, and as the gravity of the whole helicopter body 101 is balanced on the mounting plate 104, when the movable end of the jack 106 descends, the helicopter body 101 descends along with the mounting plate 104 until the impact skids 102 are contacted with the ground, and after the idler wheels 109 are suspended, the traction joints 107 on the two impact skids 102 are taken down; the advantage of setting like this is through the gyro wheel 109 can carry out directional movement or steering movement, convenient operation, and work efficiency is high, and the processing degree of difficulty is low.
In some embodiments, the axes of the first limiting plate 110 and the second limiting plate 111 are collinear, which has the advantage of facilitating punching of the limiting hole 112 and insertion of the limiting pin 113 into the limiting hole 112.
In some embodiments, mounting base 103 and mounting plate 104 are both U-shaped structures, and mounting plate 104 of the U-shaped structure is slidably snapped onto mounting base 103 of the U-shaped structure.
In some embodiments, the upper end of the movable end of the jack 106 has a recess 114, the mounting plate 104 is provided with a protrusion 115, the recess 114 is used for contacting with the protrusion 115, and the provision of the recess 114 and the protrusion 115 has the advantage of positioning the jack 106 and preventing the jack 106 from being deviated during the lifting process.
In some embodiments, the hemispherical recess 114 and the protrusion 115 are both hemispherical structures, so that the hemispherical recess 114 and the hemispherical protrusion 115 can be more easily matched in practical use.
In some embodiments, two clamping plates 116 are fixedly arranged at the bottom of the second limiting plate 111, and the roller 109 is rotatably arranged between the two clamping plates 116; lock holes 117 are formed in the two clamping plates 116 and the roller 109, and the lock holes 117 are used for installing wheel locks 118; in the practical use process, the helicopter body 101 swings in the front-back direction in the lifting process, so that the aircraft is driven to move back and forth, the helicopter cannot lift vertically and stably, and unsafe factors are caused. The casters of the traditional skid tractor have no locking function, and when the ground has a gradient, the phenomenon of slipping easily occurs; after the wheel lock 118 is arranged, the roller 109 is fixed, so that the roller 109 cannot rotate, and the slipping phenomenon is avoided.
In some embodiments, a plurality of hooks 119 are provided below the traction joint 107, and a support assembly is provided on the side of the impact sled 102, the support assembly being configured to be mounted on the hooks 119, and in actual use, the hooks 119 being configured to carry the support assembly on the side of the impact sled 102.
In some embodiments, the support assembly includes a threaded bore 121 provided on the impact sled 102 and a bolt 120 provided within the threaded bore 121, the bolt 120 for clamping the hook 119; after the bolt 120 is matched with the threaded hole 121 in practical use, a gap is formed between the end of the bolt 120 and the threaded hole 121, the hook 119 is installed in the gap, and after the bolt 120 is gradually screwed down, the hook 119 is clamped.
In some embodiments, the connecting portion 108 includes a connecting rod 122 and a connecting cylinder 123, the connecting rod 122 is fixedly connected with the connecting cylinder 123, a bearing 124 is fixedly arranged inside the connecting cylinder 123, the roller 109 is in running fit with the connecting cylinder 123 through the bearing 124, and the roller 109 and the connecting cylinder 123 can rotate more smoothly by using the bearing 124.
In some embodiments, the hand pump 105 has a plunger 125 mounted thereon, the action of the plunger 125 mounted on the hand pump 105 pressurizing the hand pump 105.
Example two
Referring to fig. 1-3, in this embodiment, the limit bolt 113 includes a round rod 126, a circular disk 127, and a cylinder 128, the round rod 126 is connected with the circular disk 127, the cylinder 128 is disposed below the circular disk 127, the first limit plate 110 is provided with an annular limit groove 129, the cylinder 128 is used for being placed in the annular limit groove 129, two clamping grooves 130 are symmetrically disposed on the round rod 126, and an inclined plane 131 is disposed at the bottom of the round rod 126; two mounting grooves 132 are formed in the second limiting plate 111, limiting components are arranged inside the two mounting grooves 132 and comprise a trapezoid limiting block 133, a connecting rod 134, a spring 135 and a sliding plate 136, a waist-shaped groove 137 is formed in the second limiting plate 111, one end of the spring 135 is connected with the mounting groove 132, the other end of the spring is connected with the sliding plate 136, the sliding plate 136 is slidably arranged in the mounting groove 132, the sliding plate 136 is arranged outside the mounting groove 132 through the waist-shaped groove 137, one end of the connecting rod 134 is connected with the sliding plate 136, the other end of the connecting rod 134 is connected with the trapezoid limiting block 133, and the trapezoid limiting block 133 is used for being matched with the clamping groove 130.
In the actual use process, when a worker needs to limit the roller 109, the disc 127 is pressed, so that the round bar 126 is placed in the limit hole 112, in the process, the inclined surface 131 at the bottom of the round bar 126 contacts with the trapezoid limiting block 133, the trapezoid limiting block 133 is extruded to drive the sliding plate 136 to slide in the waist-shaped groove 137 and extrude the spring 135 until the clamping groove 130 on the round bar 126 corresponds to the position of the trapezoid limiting block 133, the spring 135 is not pressed, and the elasticity of the spring 135 matches the trapezoid limiting block 133 with the clamping groove 130 to complete the integral fixing of the limit bolt 113.
When the limit stopper 113 needs to be removed, the slide plate 136 slides in the waist-shaped groove 137 in a direction away from the round bar 126 until the trapezoidal limit stopper 133 is disengaged from the clamping groove 130, and then the limit stopper 113 is taken out entirely.
The advantage of setting up like this is that prevent that gyro wheel 109 from receiving jolting and breaking away from the cooperation between spacing bolt 113 and the spacing hole 112 at pivoted in-process, sets up spacing subassembly and can make the cooperation between spacing bolt 113 and the spacing hole 112 more stable.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An active hydraulic skid retractor mechanism, characterized in that: comprises a skid traction device which is used for being arranged on an impact skid (102) on a helicopter body (101);
the skid traction device comprises a mounting seat (103), a mounting plate (104) is arranged on the mounting seat (103) in a sliding manner, a hand pump (105) and a jack (106) are arranged on the mounting seat (103), the hand pump (105) is connected with the jack (106), and the movable end of the jack (106) is used for being in contact with the bottom surface of the mounting plate (104); the bottom of the mounting seat (103) is provided with a traction joint (107), and the traction joint (107) is used for being detachably connected with the impact skid (102);
connecting parts (108) are arranged at two ends of the mounting seat (103), rollers (109) are rotatably arranged on the connecting parts (108), first limiting plates (110) are arranged on the connecting parts (108), second limiting plates (111) are arranged on the rollers (109), the second limiting plates (111) are positioned below the first limiting plates (110) and correspond to the positions of the first limiting plates (110), limiting holes (112) are formed in the first limiting plates (110) and the second limiting plates (111), and limiting bolts (113) are arranged in the limiting holes (112);
the limiting bolt (113) comprises a round rod (126), a disc (127) and a cylinder (128), wherein the round rod (126) is connected with the disc (127), the cylinder (128) is arranged below the disc (127), an annular limiting groove (129) is formed in the first limiting plate (110), the cylinder (128) is used for being placed in the annular limiting groove (129), two clamping grooves (130) are symmetrically formed in the round rod (126), and an inclined surface (131) is formed in the bottom of the round rod (126); two mounting grooves (132) are formed in the second limiting plate (111), limiting components are arranged inside the two mounting grooves (132), each limiting component comprises a trapezoid limiting block (133), a connecting rod (134), a spring (135) and a sliding plate (136), a waist-shaped groove (137) is formed in the second limiting plate (111), one end of the spring (135) is connected with the mounting groove (132), the other end of the spring is connected with the sliding plate (136), the sliding plate (136) is arranged in the mounting groove (132) in a sliding mode, the sliding plate (136) is arranged outside the mounting groove (132) through the waist-shaped groove (137), one end of the connecting rod (134) is connected with the sliding plate (136), the other end of the connecting rod is connected with the trapezoid limiting block (133), and the trapezoid limiting block (133) is used for being matched with the clamping groove (130);
in the actual use process, when a worker needs to limit the roller (109), the disc (127) is pressed, so that the round rod (126) is placed in the limit hole (112), in the process, the inclined surface (131) at the bottom of the round rod (126) is contacted with the trapezoid limiting block (133), the trapezoid limiting block (133) is extruded to drive the sliding plate (136) to slide in the waist-shaped groove (137) and extrude the spring (135), until the clamping groove (130) on the round rod (126) corresponds to the position of the trapezoid limiting block (133), the spring (135) is not pressed, and the elasticity of the spring (135) is used for completing the integral fixation of the limiting bolt (113) by matching the trapezoid limiting block (133) with the clamping groove (130);
when the limit bolt (113) needs to be removed, the sliding plate (136) slides in the waist-shaped groove (137) in a direction away from the round rod (126) until the trapezoid limiting block (133) is disengaged from the clamping groove (130), and then the limit bolt (113) is taken out integrally;
the roller (109) is prevented from jolting in the rotating process, the limit bolt (113) is in clearance fit with the limit hole (112), and the limit assembly is arranged to enable the fit between the limit bolt (113) and the limit hole (112) to be more stable;
the upper end surface of the movable end of the jack (106) is provided with a recess (114), the mounting plate (104) is provided with a bulge (115), and the recess (114) is used for being contacted with the bulge (115); the arrangement of the concave (114) and the convex (115) has the advantages that the jack (106) is positioned, and the jack (106) is prevented from shifting in the ascending process;
two clamping plates (116) are fixedly arranged at the bottom of the second limiting plate (111), and the roller (109) is rotatably arranged between the two clamping plates (116); lock holes (117) are formed in the two clamping plates (116) and the roller (109), and the lock holes (117) are used for installing wheel locks (118); a plurality of hooks (119) are arranged below the traction joint (107), and a supporting component is arranged on the side surface of the impact skid (102) and is used for being installed on the hooks (119); the support assembly includes a threaded bore (121) provided on the impact sled (102) and a bolt (120) provided within the threaded bore (121), the bolt (120) being used to clamp the hook (119).
2. The active hydraulic sled retractor mechanism of claim 1 wherein: the axes of the first limiting plate (110) and the second limiting plate (111) are collinear.
3. The active hydraulic sled retractor mechanism of claim 1 wherein: the mounting seat (103) and the mounting plate (104) are of U-shaped structures, and the mounting plate (104) of the U-shaped structures is buckled on the mounting seat (103) of the U-shaped structures in a sliding manner.
4. The active hydraulic sled retractor mechanism of claim 1 wherein: both the concave (114) and the convex (115) are hemispherical structures.
5. The active hydraulic sled retractor mechanism of claim 1 wherein: connecting portion (108) include connecting rod (122) and connecting cylinder (123), connecting rod (122) and connecting cylinder (123) fixed connection, and connecting cylinder (123) inside sets up fixedly to be provided with bearing (124), gyro wheel (109) pass through bearing (124) and connecting cylinder (123) normal running fit.
6. The active hydraulic sled retractor mechanism of claim 1 wherein: the hand pump (105) is provided with a compression bar (125).
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CN202310384088.0A CN116080922B (en) | 2023-04-12 | 2023-04-12 | Movable hydraulic skid tractor mechanism |
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CN202310384088.0A CN116080922B (en) | 2023-04-12 | 2023-04-12 | Movable hydraulic skid tractor mechanism |
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CN116080922B true CN116080922B (en) | 2023-07-25 |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190930533A (en) * | 1909-12-31 | 1910-11-17 | Robert Blackburn | Improvements in or in connection with Landing Devices for Aerial Machines. |
JP2003312976A (en) * | 2002-04-24 | 2003-11-06 | National Aerospace Laboratory Of Japan | Detachable anchorage device |
CN106628230A (en) * | 2016-10-31 | 2017-05-10 | 中安(天津)航空设备有限公司 | Safe traction rack |
CN209160682U (en) * | 2018-12-13 | 2019-07-26 | 云因***工程(上海)有限公司 | A kind of stop device |
CN210191844U (en) * | 2018-12-29 | 2020-03-27 | 一飞智控(天津)科技有限公司 | Helicopter transport system |
CN211107995U (en) * | 2019-11-11 | 2020-07-28 | 辽宁壮龙无人机科技有限公司 | Unmanned plane |
KR20210122325A (en) * | 2020-03-30 | 2021-10-12 | 주식회사 하늘항공 | Multi-purpose drone with carbon composite material loading box |
CN216834251U (en) * | 2021-11-19 | 2022-06-28 | 上海伽利略腾飞航空科技有限公司 | Foot rest structure of unmanned helicopter |
WO2022170969A1 (en) * | 2021-02-09 | 2022-08-18 | 中国民航大学 | Emergency rescue vehicle for replacing wheel of airplane and emergency rescue method |
DE102021106638A1 (en) * | 2021-03-18 | 2022-09-22 | Brehmer Gmbh & Co. Kg | Tail wheel assembly for an airplane |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325403B1 (en) * | 2000-07-19 | 2001-12-04 | Wayne A. Brutger | Helicopter dolly |
CN201914470U (en) * | 2010-12-31 | 2011-08-03 | 中国直升机设计研究所 | Hydraulically driven skid type helicopter carrier wheel |
CN205034352U (en) * | 2015-08-26 | 2016-02-17 | 四川航泰航空装备有限公司 | But utility aircraft traction lever |
CN106494637B (en) * | 2016-11-25 | 2018-10-19 | 中国民用航空总局第二研究所 | A kind of ancillary equipment for helicopter ground moving |
CN206826941U (en) * | 2017-05-11 | 2018-01-02 | 景德镇昌河航空设备技术有限责任公司 | A kind of towing machine wheel lifting device and helicopter dragging wheel |
CN109665115A (en) * | 2018-12-29 | 2019-04-23 | 飞智控(天津)科技有限公司 | Helicopter transport system and transportation resources |
CN212022968U (en) * | 2019-12-30 | 2020-11-27 | 飞尔德航空器材制造(上海)有限公司 | Detachable wheel of skid type helicopter |
CN214667225U (en) * | 2021-05-14 | 2021-11-09 | 包头申大机械制造有限公司 | Fixing module for disc scale sensor |
CN218777696U (en) * | 2022-08-16 | 2023-03-31 | 中国人民解放军总参谋部第六十研究所 | Hydraulic transfer wheel of unmanned helicopter |
-
2023
- 2023-04-12 CN CN202310384088.0A patent/CN116080922B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190930533A (en) * | 1909-12-31 | 1910-11-17 | Robert Blackburn | Improvements in or in connection with Landing Devices for Aerial Machines. |
JP2003312976A (en) * | 2002-04-24 | 2003-11-06 | National Aerospace Laboratory Of Japan | Detachable anchorage device |
CN106628230A (en) * | 2016-10-31 | 2017-05-10 | 中安(天津)航空设备有限公司 | Safe traction rack |
CN209160682U (en) * | 2018-12-13 | 2019-07-26 | 云因***工程(上海)有限公司 | A kind of stop device |
CN210191844U (en) * | 2018-12-29 | 2020-03-27 | 一飞智控(天津)科技有限公司 | Helicopter transport system |
CN211107995U (en) * | 2019-11-11 | 2020-07-28 | 辽宁壮龙无人机科技有限公司 | Unmanned plane |
KR20210122325A (en) * | 2020-03-30 | 2021-10-12 | 주식회사 하늘항공 | Multi-purpose drone with carbon composite material loading box |
WO2022170969A1 (en) * | 2021-02-09 | 2022-08-18 | 中国民航大学 | Emergency rescue vehicle for replacing wheel of airplane and emergency rescue method |
DE102021106638A1 (en) * | 2021-03-18 | 2022-09-22 | Brehmer Gmbh & Co. Kg | Tail wheel assembly for an airplane |
CN216834251U (en) * | 2021-11-19 | 2022-06-28 | 上海伽利略腾飞航空科技有限公司 | Foot rest structure of unmanned helicopter |
Non-Patent Citations (2)
Title |
---|
一种分析滑橇式起落架直升机"地面共振"的方法;徐敏, 张晓谷;南京航空航天大学学报(04);全文 * |
转向架抗侧滚扭杆连杆液压式拆卸工装的研制与应用;刘勇涛;程星国;李宝;黄超;;轨道交通装备与技术(01);全文 * |
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