CN113173254A - Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device - Google Patents

Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device Download PDF

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Publication number
CN113173254A
CN113173254A CN202110384573.9A CN202110384573A CN113173254A CN 113173254 A CN113173254 A CN 113173254A CN 202110384573 A CN202110384573 A CN 202110384573A CN 113173254 A CN113173254 A CN 113173254A
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CN
China
Prior art keywords
movable pulley
trolley
helicopter
fixing device
bottom plate
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Application number
CN202110384573.9A
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Chinese (zh)
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CN113173254B (en
Inventor
张祝新
孟德华
赵丁选
刘谦
吴仲吉
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Yanshan University
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Yanshan University
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Priority to CN202110384573.9A priority Critical patent/CN113173254B/en
Publication of CN113173254A publication Critical patent/CN113173254A/en
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Publication of CN113173254B publication Critical patent/CN113173254B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND 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
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/12Anchoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND 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
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/12Anchoring
    • B64F1/125Mooring or ground handling devices for helicopters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

Abstract

The invention discloses a movable pulley trolley driven by a hydraulic cylinder rod of a helicopter fixing device, which comprises a movable pulley component, the bottom of the movable pulley component is arranged on a sliding rail on a bottom plate of the helicopter fixing device in a sliding way, the side edge of the movable pulley component passes through a guide rod arranged in parallel with the sliding rail, an anti-tipping component for preventing the stop pulley component from tipping is fixedly arranged on one side wall of the movable pulley component, the end part of the anti-tipping component upwards slides to abut against the equipment frame, the other side wall of the movable pulley component is detachably provided with a quick connecting mechanism component which is detachably connected with a hydraulic cylinder on a helicopter fixing device, the movable pulley trolley of the invention not only has large load capacity, and the movable pulley can stably and reliably move along the sliding rail, and the technical problem that the movable pulley is easy to unstably tip under the condition of bearing a large load as a driving wheel in chain transmission is solved.

Description

Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device
Technical Field
The invention relates to the technical field of ship-borne helicopters, in particular to a movable pulley trolley driven by a hydraulic cylinder rod of a helicopter fixing device.
Background
Due to the limitations of rapidity requirements and overall dimensions of ship-based helicopter fixing devices, the transmission of the helicopter fixing devices must reach 1.8m/s in a limited space, so that a transmission mode of double stroke and speed must be adopted, and a movable pulley is adopted as chain transmission of a driving part. The movable pulleys in the existing chain transmission are used as transmission parts and have poor stability. Therefore, a new movable pulley trolley with anti-instability characteristic, which can be used as a driving part in chain transmission, is urgently needed to be developed.
The offshore environment is complex, ships move, and the load force transmitted to the movable pulley by the helicopter fixing device chain is up to 5 t. Therefore, the movable pulley trolley has to be capable of moving along the slide rail stably and reliably under the action of heavy load and variable load without tipping.
Disclosure of Invention
The invention provides a movable pulley trolley driven by a hydraulic cylinder rod of a helicopter fixing device, which is a component in a ship-based helicopter fixing device, has high load capacity, can stably and reliably move along a slide rail, and solves the technical problem that the movable pulley is easy to unstably tip under the condition that the movable pulley is used as a driving wheel to bear large load in chain transmission.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a helicopter fixing device hydraulic cylinder pole driven movable pulley dolly, includes and moves loose pulley assembly, it slides and sets up on the slide rail on helicopter fixing device bottom plate to move loose pulley assembly's bottom, move loose pulley assembly's side and pass the guide bar with slide rail parallel arrangement, the tip that moves loose pulley assembly's a fixed anti-overturning assembly that is provided with anti-stop loose pulley assembly and anti-overturning assembly upwards slides and supports the equipment frame, another lateral wall that moves loose pulley assembly can be dismantled and be provided with the quick-connect mechanism subassembly, the quick-connect mechanism subassembly can be dismantled with the pneumatic cylinder on the helicopter fixing device and be connected.
The technical scheme of the invention is further improved as follows: the movable pulley component comprises a trolley bottom plate, a movable pulley and an upper cover plate, the movable pulley is arranged above the trolley bottom plate, the upper cover plate is arranged above the movable pulley, a pulley shaft is arranged in the movable pulley, the movable pulley is arranged between the upper cover plate and the trolley bottom plate through the pulley shaft in a rotating mode, two sliding shoes and two sliding shoes are fixedly arranged at the bottom of the trolley bottom plate along the direction of a sliding rail and symmetrically arranged along the center of the movable pulley, a guide rod sleeve penetrating through a guide rod is arranged on the side edge of the trolley bottom plate, an oil filling hole and a plurality of lubricating grease holes are formed in the outer wall of the guide rod sleeve, a right side plate fixedly connected with an anti-tipping component and a left side plate fixedly connected with a quick-connection mechanism component are fixedly arranged on one side of the trolley bottom plate, and the left side plate and the right side plate are fixedly connected with the upper cover plate.
The technical scheme of the invention is further improved as follows: the outer side of the movable pulley is provided with two grooves, the inner side of the movable pulley is provided with a clamp spring groove, a hole clamp spring for preventing the movable pulley from moving axially is arranged in the clamp spring groove, two sides of the pulley shaft are respectively and symmetrically sleeved with a sealing sleeve, a sealing disc ring and a bearing in sequence, the sealing disc ring is arranged in a reversing groove of the sealing sleeve, an oil injection nozzle is installed at an orifice of the upward end part of the pulley shaft, and a plurality of lubricating grease channels are formed in the pulley shaft.
The technical scheme of the invention is further improved as follows: the anti-overturning component comprises an anti-overturning bracket fixedly arranged on the right side plate, a guide wheel is mounted on the anti-overturning bracket, the guide wheel slides upwards to abut against the equipment rack, and an axial clamp spring for limiting the axial movement of the guide wheel is mounted between the anti-overturning bracket and the guide wheel.
The technical scheme of the invention is further improved as follows: the quick-connection mechanism component comprises a quick-connection block fixedly connected with the side edge of the left side plate, the end part of the quick-connection block is a trapezoidal block, the end part of the trapezoidal block is detachably arranged in a quick-connection mechanism arm through a quick-connection mechanism connecting rod, a stop block in surface contact with the quick-connection block is arranged in the quick-connection mechanism arm, the quick-connection mechanism arm and the stop block are both fixedly arranged at one end of an oil cylinder connecting block, and the other end of the oil cylinder connecting block is detachably and fixedly connected with a hydraulic cylinder rod on a bottom plate of the helicopter fixing device.
The technical scheme of the invention is further improved as follows: and a copper sleeve is embedded in the guide rod sleeve.
The technical scheme of the invention is further improved as follows: annular beryllium bronze is embedded on the outer surface of the guide wheel.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. the movable pulley trolley disclosed by the invention has large load capacity, the maximum load capacity can reach 8t, the load capacity is far more than 5t of load force transmitted to the movable pulley by a helicopter fixing device chain, and the movable pulley trolley can stably and reliably move linearly along a slide rail and has the characteristic of preventing tipping;
2. the movable pulley trolley is provided with the anti-tipping support, the guide wheel is arranged on the anti-tipping support to tightly abut against the equipment rack upwards, and the sliding shoe of the movable pulley trolley reliably abuts against the sliding rail in the moving process, namely the trolley cannot tip over unstably;
3. the movable pulley trolley is provided with the quick connection mechanism assembly, the stop block is in surface contact with the quick connection block, the service life of the quick connection mechanism is guaranteed, the quick connection mechanism arm is connected with the quick connection mechanism connecting rod through the special bolt to achieve connection of the quick connection block, the movable pulley trolley and a hydraulic cylinder on a bottom plate of a helicopter fixing device are modularized in a detachable connection mode, and maintenance cost is reduced;
4. the annular beryllium bronze is embedded on the outer surface of the guide wheel of the movable pulley trolley, and the annular beryllium bronze is embedded on the outer surface of the guide wheel in the sliding process of the movable pulley trolley, so that the friction spark prevention and explosion prevention effects are achieved;
5. the copper sleeve is embedded in the guide rod sleeve of the movable pulley trolley, so that when the movable pulley trolley moves linearly along the guide rod, the friction force generated by the sliding of metal made of the same material is reduced, the generation of sparks is avoided, and the explosion-proof effect is achieved.
Drawings
FIG. 1 is a plan view of the overall structure of the present invention;
FIG. 2 is a perspective view of the overall structure of the present invention;
FIG. 3 is an exploded view of the overall structure of the present invention;
FIG. 4 is a layout of the present invention in a helicopter fixture;
figure 5 is an exploded view of the movable sheave assembly of the present invention;
FIG. 6 is an exploded view of the anti-rollover assembly of the present invention;
FIG. 7 is an exploded view of the quick connect mechanism assembly of the present invention;
in the figure: 1. the hydraulic cylinder comprises a movable pulley assembly, 2 an anti-tipping assembly, 3 a quick-connection mechanism assembly, 4 a trolley bottom plate, 5 a movable pulley, 6 an upper cover plate, 7 a pulley shaft, 8 a sliding shoe, 9 a left side plate, 10 a right side plate, 11 a hole clamp spring, 12 a seal sleeve, 13 a seal disc ring, 14 a bearing, 15 an oil injection nozzle, 16 an anti-tipping support, 17 a guide wheel, 18 a shaft clamp spring, 19 a quick-connection block, 20 a quick-connection mechanism connecting rod, 21 a quick-connection mechanism arm, 22 a stop block, 23 a cylinder connecting block, 24 a hydraulic cylinder rod, 25 a copper sleeve, 26 a sliding rail, 27 a guide rod, 28 and a guide rod sleeve.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 to 4, a movable pulley trolley driven by a hydraulic cylinder rod of a helicopter fixing device comprises a movable pulley assembly 1, wherein the bottom of the movable pulley assembly 1 is slidably arranged on a slide rail 26 on a bottom plate of the helicopter fixing device, the side edge of the movable pulley assembly 1 penetrates through a guide rod 27 arranged in parallel with the slide rail 26 to ensure that the movable pulley assembly 1 can move linearly along the slide rail, an anti-rollover assembly 2 for preventing the overturn of the movable pulley assembly 1 is fixedly arranged on one side wall of the movable pulley assembly 1, and the end part of the anti-rollover assembly 2 slides upwards to abut against an equipment frame, so that the movable pulley assembly 1 reliably abuts against the slide rail 26 in the moving process, and unstable rollover cannot occur; another lateral wall of movable pulley subassembly 1 can be dismantled and be provided with fast mechanism's subassembly 3 that links, fast mechanism's subassembly 3 can be dismantled with the pneumatic cylinder on the helicopter fixing device and be connected for realize the modularization between the pneumatic cylinder on movable pulley dolly and the helicopter fixing device bottom plate, reduce the maintenance cost.
As shown in fig. 5, the movable pulley assembly 1 includes a trolley bottom plate 4, a movable pulley 5 disposed above the trolley bottom plate 4 and an upper cover plate 6 disposed above the movable pulley 5, the outer side of the movable pulley 5 is provided with two grooves, the inner side of the movable pulley 5 is provided with a clamp spring groove and a clamp spring groove for a hole 11 for preventing the movable pulley 5 from moving axially, a pulley shaft 7 is disposed in the movable pulley 5, two sides of the pulley shaft 7 are respectively and symmetrically sleeved with a sealing sleeve 12, a sealing disc ring 13 and a bearing 14, and the sealing disc ring 13 is disposed in a reversing groove of the sealing sleeve 12, an oil filling nozzle 15 is installed at an upward end orifice of the pulley shaft 7, and the pulley shaft 7 is provided with a plurality of lubricating grease pore passages. The movable pulley 5 rotates through the pulley shaft 7 and sets up between upper cover plate 6 and dolly bottom plate 4, the fixed central symmetry setting that is provided with two boots 8 and two boots 8 along movable pulley 5 along the direction of slide rail 26 in the bottom of dolly bottom plate 4, the side of dolly bottom plate 4 is provided with the guide bar sleeve 28 that passes guide bar 27, the copper sheathing 25 of having embedded in the guide bar sleeve 28 uses the bolt pretension, and when the movable pulley dolly was linear motion along guide bar 27, the frictional force that produces with the material metal slip was reduced, avoids the mars to produce, has explosion-proof effect. An oil filling hole and a plurality of lubricating grease holes are formed in the outer wall of the guide rod sleeve 28, a right side plate 10 fixedly connected with the anti-tipping component 2 is fixedly arranged on one side of the trolley bottom plate 4 through bolts, a left side plate 9 fixedly connected with the quick-connection mechanism component 3 is fixedly arranged on the other side of the trolley bottom plate through bolts, and the left side plate 9 and the right side plate 10 are both fixedly connected with the upper cover plate 6.
As shown in fig. 6, the anti-tipping assembly 2 comprises an anti-tipping bracket 16 fixedly arranged with the right side plate 10, a guide wheel 17 is arranged on the anti-tipping bracket 16, and the guide wheel 17 slides upwards to abut against the equipment frame, so that the sliding shoe of the movable pulley trolley reliably abuts against the sliding rail during moving, namely the trolley does not have unstable tipping; an axle clamp spring 18 for limiting the axial movement of the guide wheel 17 is arranged between the anti-tipping bracket 16 and the guide wheel 17, annular beryllium bronze is embedded on the outer surface of the guide wheel 17, and the annular beryllium bronze is embedded on the outer surface of the guide wheel in the sliding process to prevent friction sparks and prevent explosion.
As shown in figure 7, the quick-connecting mechanism component 3 comprises a quick-connecting block 19 fixedly connected with the side edge of a left side plate 9, the end part of the quick-connecting block 19 is a trapezoidal block, the end part of the trapezoidal block is detachably arranged in a quick-connecting mechanism arm 21 through a quick-connecting mechanism connecting rod 20, the quick-connecting mechanism arm 21 and the quick-connecting mechanism connecting rod 20 are connected through a special bolt to realize the connection of the quick-connecting block 19, a stop block 22 in surface contact with the quick-connecting block 19 is arranged in the quick-connecting mechanism arm 21 to ensure the service life of the quick-changing mechanism, the quick-connecting mechanism arm 21 and the stop block 22 are both fixedly arranged at one end of an oil cylinder connecting block 23, the other end of the oil cylinder connecting block 23 is detachably and fixedly connected to a hydraulic cylinder rod 24 on a bottom plate of a helicopter fixing device, the movable pulley trolley and a hydraulic cylinder on the bottom plate of the helicopter fixing device are modularized in a detachable connection mode, and the maintenance cost is reduced.
The movable pulley trolley has large load capacity which can reach 8t to the maximum and far exceeds 5t of load force transmitted to the movable pulley by the helicopter fixing device chain, and can stably and reliably move linearly along the slide rail; through setting up the mechanism subassembly that soon links to detachable connected mode makes and realizes the modularization between hydraulic cylinder on movable pulley dolly and the helicopter fixing device bottom plate, reduces the maintenance cost.

Claims (7)

1. The utility model provides a helicopter fixing device hydraulic cylinder pole driven movable pulley dolly which characterized in that: including moving loose pulley assembly (1), the bottom that moves loose pulley assembly (1) slides and sets up on slide rail (26) on the helicopter fixing device bottom plate, the side that moves loose pulley assembly (1) passes guide bar (27) with slide rail (26) parallel arrangement, the tip that moves fixed anti-tilt subassembly (2) and the anti-tilt subassembly (2) that are provided with anti-overturn of loose pulley assembly (1) of a lateral wall of loose pulley assembly (1) and moves equipment frame, another lateral wall that moves loose pulley assembly (1) can be dismantled and be provided with fast link mechanism subassembly (3), fast link mechanism subassembly (3) can be dismantled with the pneumatic cylinder on the helicopter fixing device and be connected.
2. The helicopter fixed equipment cylinder rod driven travelling block trolley of claim 1 further characterized by: the movable pulley component (1) comprises a trolley bottom plate (4), a movable pulley (5) arranged above the trolley bottom plate (4) and an upper cover plate (6) arranged above the movable pulley (5), a pulley shaft (7) is arranged in the movable pulley (5), the movable pulley (5) is rotatably arranged between the upper cover plate (6) and the trolley bottom plate (4) through the pulley shaft (7), two sliding shoes (8) are fixedly arranged at the bottom of the trolley bottom plate (4) along the direction of a sliding rail (26) and the two sliding shoes (8) are symmetrically arranged along the center of the movable pulley (5), a guide rod sleeve (28) penetrating through a guide rod (27) is arranged on the side edge of the trolley bottom plate (4), an oil filling hole and a plurality of lubricating grease filling holes are formed in the outer wall of the guide rod sleeve (28), and an anti-tilting right side plate (10) fixedly connected with the tilting component (2) is fixedly arranged on one side of the trolley bottom plate (4), The other side is fixedly provided with a left side plate (9) fixedly connected with the quick connection mechanism assembly (3), and the left side plate (9) and the right side plate (10) are fixedly connected with the upper cover plate (6).
3. The helicopter fixed equipment cylinder rod driven travelling block trolley of claim 2 further comprising: the outside of movable pulley (5) is provided with two recesses, the inboard of movable pulley (5) is provided with jump ring groove and jump ring inslot and be provided with jump ring (11) for the hole that prevents movable pulley (5) axial motion, the both sides of pulley shaft (7) are in proper order the symmetry cover respectively and are equipped with seal cover (12), sealed dish ring (13) and bearing (14) and sealed dish ring (13) and set up in the switching-over inslot of seal cover (12), oiling mouth (15) are installed to pulley shaft (7) tip drill way up, it has a plurality of lubricating grease pore ways to open on pulley shaft (7).
4. The helicopter fixed equipment cylinder rod driven travelling block trolley of claim 2 further comprising: the anti-tipping component (2) comprises an anti-tipping support (16) fixedly arranged with the right side plate (10), a guide wheel (17) is mounted on the anti-tipping support (16), the guide wheel (17) slides upwards to abut against the equipment rack, and a shaft clamp spring (18) for limiting the axial movement of the guide wheel (17) is mounted between the anti-tipping support (16) and the guide wheel (17).
5. The helicopter fixed equipment cylinder rod driven travelling block trolley of claim 2 further comprising: fast link mechanism subassembly (3) include with left side board (9) side fixed connection fast link piece (19), the tip of linking piece (19) soon sets up in linking mechanism arm (21) soon for trapezoidal piece and trapezoidal piece tip through linking mechanism connecting rod (20) detachable soon, be provided with in linking mechanism arm (21) soon dog (22) with linking piece (19) face contact soon, link mechanism arm (21) soon and dog (22) all fixed set up in the one end of hydro-cylinder connecting block (23), hydro-cylinder connecting block (23) other end detachable fixed connection is in hydraulic cylinder pole (24) on helicopter fixing device bottom plate.
6. The helicopter fixed equipment cylinder rod driven travelling block trolley of claim 2 further comprising: a copper sleeve (25) is embedded in the guide rod sleeve (28).
7. The helicopter fixed equipment cylinder rod driven travelling sheave trolley of claim 4, characterized by: annular beryllium bronze is embedded on the outer surface of the guide wheel (17).
CN202110384573.9A 2021-04-09 2021-04-09 Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device Active CN113173254B (en)

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CN202110384573.9A CN113173254B (en) 2021-04-09 2021-04-09 Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device

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Application Number Priority Date Filing Date Title
CN202110384573.9A CN113173254B (en) 2021-04-09 2021-04-09 Movable pulley trolley driven by hydraulic cylinder rod of helicopter fixing device

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CN113173254B CN113173254B (en) 2023-06-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303807A (en) * 1963-10-18 1967-02-14 Canadian Patents Dev Helicopter rapid securing device
DE3326994A1 (en) * 1983-07-27 1985-02-07 Blohm + Voss Ag, 2000 Hamburg Device for transporting aircraft
US4662586A (en) * 1983-05-10 1987-05-05 Blohm + Voss Ag Apparatus for moving aircraft
JP2006103616A (en) * 2004-10-08 2006-04-20 Ihi Marine United Inc Aircraft transfer device
CN112340048A (en) * 2020-10-22 2021-02-09 燕山大学 Quick fixing and transverse moving system of electrically-driven ship-based helicopter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303807A (en) * 1963-10-18 1967-02-14 Canadian Patents Dev Helicopter rapid securing device
US4662586A (en) * 1983-05-10 1987-05-05 Blohm + Voss Ag Apparatus for moving aircraft
DE3326994A1 (en) * 1983-07-27 1985-02-07 Blohm + Voss Ag, 2000 Hamburg Device for transporting aircraft
JP2006103616A (en) * 2004-10-08 2006-04-20 Ihi Marine United Inc Aircraft transfer device
CN112340048A (en) * 2020-10-22 2021-02-09 燕山大学 Quick fixing and transverse moving system of electrically-driven ship-based helicopter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张辽;官巍;王纲;李威;潘龙;: "直升机着舰起落装置动力学仿真建模研究", 系统仿真学报, no. 08 *

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