Rapid mooring device for air transportation goods

By designing a fast tethering device for air transport cargo, the combination of locker, lock head assembly, lock assembly and chain connection lock is used to solve the problems of cargo impact hazards and cumbersome operations caused by breaking the tethering net or tie belt in the prior art, and the efficient and reliableness of quickly fixing and loosening the cargo is achieved.

CN222859715UActive Publication Date: 2025-05-13凌云(宜昌)航空装备工程有限公司 +1
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Patent Information

Application Number
CN202421903427.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-05-13
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The existing aircraft cargo transportation system is broken due to airflow bumps during takeoff, landing and flight, causing the tethering net or tie-up belt to break, causing the risk of cargo hitting the aircraft, and the operation of tethering and loosening the cargo is cumbersome.

Method used

A fast tethering device for air transport cargo is designed, including a locker, a locking head assembly, a locking assembly and a chain connection lock. Through the combination of these components, the function of quickly fixing and loosening the cargo is achieved.

Benefits of technology

The device can quickly fix the equipment, cargo, air transport containers and air transport pallets on the aircraft cargo warehouse and slope floor during transportation, improving the efficiency of tying and loosening of goods, and ensuring the reliability of fixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a quick mooring device for air transportation goods. The quick mooring device comprises a locker which is fixedly connected with a mooring pile on an aircraft warehouse or an inclined platform floor. The locking device is used for comprising a locking head assembly used for being locked with the mooring pile, and a locking assembly used for tensioning the chain is hinged to the locking head assembly. The tail end of the locking assembly is connected with a chain through a chain connecting lock. The adjacent chains are connected in a lengthened mode through chain connecting locks. The mooring device can be used for quickly fixing and mooring equipment, cargos, air containers, air trays and the like on an aircraft warehouse and an inclined platform floor in the transportation process; and moreover, the mooring device can improve the efficiency of mooring and loosening the cargoes, and meanwhile, the reliability of fixation is ensured.
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Description

Technical Field

[0001] The utility model belongs to the field of aviation transport mooring devices, and specifically relates to a rapid mooring device for aviation transport cargo. Background Art

[0002] Common aircraft cargo transportation is mostly tied up by mooring nets or tie-down straps. When the aircraft takes off, lands, or is affected by air currents during flight and experiences severe turbulence, the cargo is subjected to instantaneous impact force. If the mooring nets or tie-down straps break at this time, there will be a huge risk of the cargo colliding with the aircraft, and even the aircraft may be destroyed and people may die. In addition, the operation of mooring nets or tie-down straps is cumbersome when tying and releasing cargo. Utility Model Content

[0003] The purpose of the utility model is to provide a rapid mooring device for air transport cargo, which can quickly fix and moor equipment, cargo, air transport containers and air transport pallets on the aircraft cargo hold and ramp floor during transportation; and this mooring device can improve the efficiency of mooring and releasing cargo, while ensuring the reliability of fixation.

[0004] In order to realize the above technical features, the purpose of the utility model is achieved as follows: a rapid mooring device for air transport cargo, including a locking device for fixedly connecting with a mooring pile on an aircraft cargo hold or ramp floor;

[0005] The locking device is used to include a locking head assembly for locking with a mooring pile, and a locking assembly for tensioning the chain is hinged on the locking head assembly;

[0006] The end of the locking assembly is connected to a chain via a chain connection lock;

[0007] Adjacent chains are connected by chain link locks.

[0008] The chain connection lock comprises a half lock housing which is symmetrically hinged by a first pin shaft, a stop pin is installed inside the half lock housing through spring expansion and contraction, a first arc groove is processed on the lower surface of the stop pin, the first arc groove matches with the chain, and a strip groove is processed on the upper surface of the stop pin, the strip groove matches with a slotted countersunk screw vertically installed on the top of the half lock housing;

[0009] The bottom of the semi-lock housing is provided with a transverse mounting groove and a longitudinal mounting groove for mounting a chain. The transverse mounting groove cooperates with the first arc-shaped groove at the same time and realizes the locking of the chain.

[0010] The end of the first pin shaft is locked and limited by a shaft retaining ring.

[0011] The chain is formed by connecting a plurality of chain links, and hooks are selectively connected to the chain links.

[0012] The locking head assembly includes a lock shell, a lock key is hinged on the lock shell through a lock pin, the end of the lock key passes through a lock handle, the lock handle cooperates with the open end of the lock shell, and the entire locking head assembly is limitedly installed on the mooring pile in a clamping manner, and the locking assembly is hinged on the lock shell.

[0013] The locking assembly includes a locking fork hinged on the lock head housing, a sleeve is installed on the screw end of the locking fork through threaded transmission, the other end of the sleeve is connected to the bottom end of the locking ear seat through a limit sleeve rotation limit connection, the top of the locking ear seat is hingedly connected to the chain connecting lock; the bottom end of the sleeve is sleeved with an adjusting sleeve, a compression spring is arranged inside the adjusting sleeve, and the top end of the compression spring is in contact with and cooperates with the bottom end surface of the sleeve.

[0014] The adjusting sleeve is processed with an adjusting sleeve slot, and the adjusting sleeve slot forms a sliding fit with a screw fixed on the sleeve, and ensures synchronous rotation between the sleeve and the adjusting sleeve.

[0015] The sleeve is symmetrically hinged with a handle which can be opened and closed.

[0016] The bottom end of the adjusting sleeve is processed with a section tooth, and the section tooth is meshed with the oblique groove on the locking device fork.

[0017] The utility model has the following beneficial effects:

[0018] 1. The mooring device of the utility model can quickly fix and moor equipment, cargo, air transport containers and air transport pallets on the cargo hold and ramp floor of an aircraft during transportation; and the mooring device can improve the efficiency of mooring and releasing cargo, while ensuring the reliability of fixation.

[0019] 2. One end of the utility model locker is connected to the mooring pile on the aircraft cargo hold or ramp floor, which is locked by the lock spring shaft. Only by turning the lock handle and rotating the lock key of the lock spring shaft can the lock be freely rotated to achieve the purpose of opening and closing; the other end is connected to the mooring chain. The locker has an adjustable stroke and can be tightened and loosened according to the actual cargo. The locker is provided with a device to prevent it from rotating under the load generated when the mooring chain is tightened.

[0020] 3. The utility model is provided with a chain connection lock for goods of different lengths and sizes, which can realize connection of any length. The chain connection lock completes the connection of the mooring chain through two half-lock components and a limit pin shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a three-dimensional diagram from the first perspective during the specific use of the utility model.

[0023] Figure 2 It is a three-dimensional diagram from the second perspective during the specific use of the utility model.

[0024] Figure 3 Utility Model Figure 2 Partial view of center A.

[0025] Figure 4 This is a three-dimensional image from the first perspective of the utility model chain connection lock.

[0026] Figure 5 This is a three-dimensional image from the second perspective of the utility model chain connection lock.

[0027] Figure 6 This is a three-dimensional image from the first perspective of the chain-connected lock of the utility model after one of the half lock shells is removed.

[0028] Figure 7 This is a three-dimensional image from a second perspective of the chain-connected lock of the utility model after one of the half lock shells is removed.

[0029] Figure 8 (a) (b) are unlocking and locking state diagrams of the utility model chain connection lock.

[0030] Fig. 9 This is a diagram of the connection between a utility model chain connection lock and a chain.

[0031] Fig.10 This is a three-dimensional diagram of the utility model locking device from the first perspective.

[0032] Fig.11 This is a three-dimensional diagram from the second perspective of the utility model locking device.

[0033] Fig.12 This is a three-dimensional diagram of the utility model locking device from the third perspective.

[0034] Fig.13 It is a side view of the utility model locking device.

[0035] Fig.14 Utility Model Fig.13 BB view of the center lock.

[0036] Fig.15 It is a bottom view of the utility model locking device.

[0037] Fig.16 It is a three-dimensional internal cross-sectional view of the utility model locking device.

[0038] Fig.17 The utility model is a locking device connected to a chain through a chain connection lock and a chain connection diagram.

[0039] Fig.18 It is a partial cross-sectional view of the connection between the utility model locking device and the mooring pile.

[0040] In the figure: cargo 1, aircraft cargo hold 2, chain connection lock 3, chain 4, locker 5, mooring pile 6;

[0041] Half-lock housing 301, slotted countersunk screw 302, stop pin 303, first pin shaft 304, shaft retaining ring 305, transverse mounting groove 306, longitudinal mounting groove 307, first arc groove 308, spring 309, strip groove 310;

[0042] Chain link 401, hook 402;

[0043] Lock key 501 , lock pin 502 , lock housing 503 , lock handle 504 , lock fork 505 , adjustment sleeve 506 , adjustment sleeve slot 507 , screw 508 , sleeve 509 , handle 510 , limit sleeve 512 , lock ear seat 513 , compression spring 514 . DETAILED DESCRIPTION

[0044] The implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0045] See also Figure 1-18 A rapid mooring device for air transport cargo includes a locker 5 for being fixedly connected to a mooring pile 6 on an aircraft cargo hold or ramp floor; the locker 5 includes a locking head assembly for locking with the mooring pile 6, and a locking assembly for tensioning a chain is hinged on the locking head assembly; the end of the locking assembly is connected to a chain 4 through a chain connecting lock 3; adjacent chains 4 are connected by a chain connecting lock 3. This mooring device can quickly fix and moor equipment, cargo, air freight containers and air freight pallets on aircraft cargo holds and ramp floors during transportation; and this mooring device can improve the efficiency of mooring and releasing cargo, while ensuring the reliability of fixation. In specific use, the locking head assembly is fixedly connected to the mooring pile 6, and then the chain 4 is connected to the locking assembly through the chain connecting lock 3. When the length of the chain 4 is not enough, multiple chains 4 are connected by using the chain connecting lock 3, and the other end of the chain 4 is also connected to the locker 5 on the other side. After the initial connection, the locking assembly is operated to tension the entire chain 4, thereby ensuring the reliability of the fixation. Moreover, when disassembly is required, the chain 4 can be quickly loosened through the chain connecting lock 3.

[0046] Further, the chain connection lock 3 comprises a half lock housing 301 which is hinged symmetrically by a first pin shaft 304, a stop pin 303 is installed in the interior of the half lock housing 301 through a spring 309, a first arc groove 308 is processed on the lower surface of the stop pin 303, the first arc groove 308 matches with the chain 4, a strip groove 310 is processed on the upper surface of the stop pin 303, the strip groove 310 matches with the slotted countersunk screw 302 vertically installed on the top of the half lock housing 301; the bottom of the half lock housing 301 is provided with a transverse installation groove 306 and a longitudinal installation groove 307 for installing the chain 4, the transverse installation groove 306 matches with the first arc groove 308 at the same time, and realizes the locking of the chain 4. The chain connection lock 3 described above can realize the locking of the chain and can be used to realize the extension of the chain 4.

[0047] When the length of the mooring chain does not meet the use requirements, the chain connecting lock 3 can be used to connect two or more chains to achieve the effect of lengthening the chain to meet the needs of tying technical equipment and goods on the aircraft cargo hold or ramp floor. It can also be used to connect the two ends of a chain for locking. When in use, press the stop pin 303 on the half lock, insert any link of the chain into the half lock, and release the stop pin 303. The operation is simple and the effect is reliable. For details, see Figure 8-9 .

[0048] Furthermore, the end of the first pin shaft 304 is locked and limited by a shaft retaining ring 305. The retaining ring 305 ensures reliable limitation of the first pin shaft 304 to prevent the half-locked housing 301 from disengaging.

[0049] Furthermore, the chain 4 is formed by connecting a plurality of chain links 401, and a hook 402 is selectively connected to the chain link 401. The chain 4 can be used to reliably lock and fix the goods 1.

[0050] Furthermore, the locking head assembly includes a lock housing 503, a lock key 501 is hinged on the lock housing 503 through a lock pin 502, the end of the lock key 501 passes through a lock handle 504, the lock handle 504 cooperates with the open end of the lock housing 503, and the entire locking head assembly is limitedly installed on the mooring pile 6 in a hugging manner, and the locking assembly is hinged on the lock housing 503. The above-mentioned locking head assembly can be used for reliable connection with the mooring pile 6.

[0051] Furthermore, the locking assembly includes a locking fork 505 hinged on the lock housing 503, a sleeve 509 is installed on the screw end of the locking fork 505 through threaded transmission, the other end of the sleeve 509 is rotationally limited and connected to the bottom end of the locking ear seat 513 through a limit sleeve 512, and the top of the locking ear seat 513 is hingedly connected to the chain connecting lock 3; the bottom end of the sleeve 509 is sleeved with an adjustment sleeve 506, and a compression spring 514 is arranged inside the adjustment sleeve 506, and the top end of the compression spring 514 contacts and cooperates with the bottom end surface of the sleeve 509. The above locking assembly can achieve chain tensioning.

[0052] The locking assembly connects the locker fork to the lock assembly through a pin and a steel retaining ring on the shaft, and the locker ear seat at the other end is connected to the chain connection lock. When in use, the lock assembly is connected to the mooring joint mooring pile on the cargo hold or ramp floor, and the lock assembly is locked in a closed state with a lock spring shaft. The lock handle is fixed to the lock spring shaft with a pin and is pushed to the limit position with a spring, and is always in a locked state. Only by pulling the lock handle, the lock spring shaft can the lock key rotate freely to achieve the purpose of opening and closing; the locking assembly is used to tighten the mooring chain when mooring equipment and cargo. All parts of the locker are installed on the sleeve, and there is a thread inside the tube, which is used to screw into the locker ear seat 513 from one end, and the lock assembly is hinged to be screwed into the sleeve connected to the lock from the other end. The locker stroke is 124mm. The locking fork is fixed with two pins to prevent it from being completely removed from the sleeve, and the locking ear seat is fixed with two wedge washers, which are fixed in the sleeve with large nuts and secured with screws.

[0053] Furthermore, the adjusting sleeve 506 is processed with an adjusting sleeve slot 507, and the adjusting sleeve slot 507 forms a sliding fit with a screw 508 fixed on the sleeve 509, and ensures the synchronous rotation between the sleeve 509 and the adjusting sleeve 506. The locker is provided with a device to prevent it from rotating under the load generated when the mooring chain is tightened. The device includes an adjusting sleeve sleeved on the sleeve, and two screws 509 inserted into the adjusting sleeve slot 507 are used to prevent it from rotating relative to the sleeve 509.

[0054] Further, the sleeve 509 is symmetrically hinged with a handle 510 that can be opened and closed. To rotate the locking device sleeve, two handles 510 are installed on the sleeve, and the handles 510 can be in a horizontal state and a vertical state by being connected to the sleeve by a hinge. In these two states, the handles are stopped by a ball stopper.

[0055] Furthermore, the bottom end of the adjusting sleeve 506 is processed with a profile tooth 511, and the profile tooth 511 is engaged with the oblique groove 515 on the locking device fork 505. This can fix the adjusting sleeve, thereby fixing the locking device.

[0056] Furthermore, the chain is composed of chain links and hooks, etc. Its main function is to be used in conjunction with chain connection locks, lockers, etc. to tie and retain equipment and goods on the cargo hold and ramp floor. The hook is used to hang the free end of the chain on the tightened position after the chain is used to retain the goods to prevent shaking everywhere.

[0057] Embodiment 2:

[0058] A method for using a rapid mooring device for air transport cargo, characterized in that it comprises the following steps:

[0059] S1. Before use, the surface of the locker should be cleaned to keep it clean and tidy. Check whether there are rust and crack defects on the surface of the parts, and whether the locking assembly rotates flexibly. Check the reliability of the locking head assembly closure, the braking of the tension screw sleeve and the closing of the chain.

[0060] S2, when removing the locking head assembly from the mooring pile 6, first screw the locking head handle 504 to the end, open the lock key 501, when the locker 5 is in the tensioned state, in order to prevent the locker 5 from hitting the hand, the operator should unlock the lock beside or behind the lock, then open the locking head handle 504, and finally remove the locking head assembly from the mooring pile 6;

[0061] S3, when the locking device 5 is installed on the mooring pile 6:

[0062] Open the lock handle 504 by twisting the handle; release the lock latch and push it aside; twist the lock handle 504 upward to the end, keep this state, put the lock housing 503 on the mooring pile 6 and close the latch; twist the lock handle 504 downward to the end, and lock the locker 5 on the mooring pile 6;

[0063] S4, when using the locking device 5 to secure equipment and cargo:

[0064] S4.1, find the specified number of lockers according to the mooring principle diagram. When the locker is attached, the free end of the chain should face one end of the lock connecting shaft and should not be less than one chain link;

[0065] S4.2, tighten the sleeve 509 of the locking device 5 to the end to loosen the locking device 5 and increase its working stroke;

[0066] S4.3, install all the locks according to the schematic diagram, the installation order is as follows;

[0067] S4.3.1, install the locking head assembly on the mooring pile 6 and lock it;

[0068] S4.3.2, pass the chain through the joint of the equipment or cargo to which it is attached;

[0069] S4.3.3, make an initial adjustment of the mooring chain to remove excess slack, with the free end of the chain hooked to the chain tensioner;

[0070] S4.3.4, turn the handle 510 to the working state, and rotate the handle 510 to tighten the chain to the necessary degree;

[0071] S4.3.5. All the locks securing the same piece of technical equipment or cargo shall be tightened to the same degree. In order to prevent the center of gravity of the equipment or cargo from shifting during the tightening process, the two corresponding chains shall be tightened simultaneously and gradually;

[0072] S4.3.6, turn the handle 510 to a horizontal position;

[0073] S5, Method of releasing the lock of the tie-down device or cargo:

[0074] S5.1, after checking and confirming that the free end of the chain is facing one end of the lock connecting shaft, the lock handle 504 of the lock assembly is turned upward to open the lock assembly. At this time, when the chain is in a tightened state, the lock assembly is opened, the lock assembly is removed from the mooring pile 6, and thrown to one end of the tied technical equipment or goods;

[0075] S5.2, remove the locking device 5 from the joint of the technical equipment or cargo to which it is attached;

[0076] S5.3, disconnect the locking assemblies from the chains and place them alternately in boxes on the floor between the cargo hold bulkheads.

Claims

1. A rapid mooring device for air cargo transport, characterized in that: It includes a locking device (5) for being fixedly connected to a mooring pile (6) on the aircraft cargo hold or ramp floor; The locking device (5) is used to include a locking head assembly for locking with a mooring pile (6), and a locking assembly for tensioning the chain is hingedly connected to the locking head assembly; The end of the locking assembly is connected to a chain (4) via a chain connection lock (3); Adjacent chains (4) are connected to each other via chain connecting locks (3).

2. The rapid mooring device for air cargo transport according to claim 1, characterized in that: The chain connection lock (3) comprises a half lock housing (301) which is hinged in a reverse symmetrical manner by a first pin shaft (304); a stop pin (303) is installed inside the half lock housing (301) via a spring (309) to extend and retract; a first arc groove (308) is machined on the lower surface of the stop pin (303); the first arc groove (308) cooperates with the chain (4); a strip groove (310) is machined on the upper surface of the stop pin (303); the strip groove (310) cooperates with a slotted countersunk screw (302) vertically installed on the top of the half lock housing (301); The bottom of the semi-lock housing (301) is provided with a transverse mounting groove (306) and a longitudinal mounting groove (307) for mounting the chain (4); the transverse mounting groove (306) is matched with the first arc-shaped groove (308) to achieve locking of the chain (4).

3. The rapid mooring device for air cargo transport according to claim 2, characterized in that: The end of the first pin shaft (304) is locked and limited in position by a shaft retaining ring (305).

4. The rapid mooring device for air cargo transport according to claim 1, characterized in that: The chain (4) is formed by connecting a plurality of chain links (401), and a hook (402) is selectively connected to the chain link (401).

5. The rapid mooring device for air cargo transport according to claim 1, characterized in that: The locking head assembly comprises a locking head housing (503), a locking key (501) being hingedly connected to the locking head housing (503) via a locking head pin (502), an end of the locking key (501) passing through a locking head handle (504), the locking head handle (504) being matched with an open end of the locking head housing (503), and the entire locking head assembly is limitedly mounted on the mooring pile (6) in a clamping manner, and the locking assembly is hingedly connected to the locking head housing (503).

6. The rapid mooring device for air cargo transport according to claim 5, characterized in that: The locking assembly comprises a locking fork (505) hinged on a lock head housing (503); a sleeve (509) is installed on the screw end of the locking fork (505) through threaded transmission; the other end of the sleeve (509) is connected to the bottom end of a locking ear seat (513) through a limit sleeve (512) for rotation and limiting; the top end of the locking ear seat (513) is hingedly connected to the chain connecting lock (3); the bottom end of the sleeve (509) is sleeved with an adjustment sleeve (506); a compression spring (514) is arranged inside the adjustment sleeve (506); the top end of the compression spring (514) is in contact with and fits with the bottom end surface of the sleeve (509).

7. The rapid mooring device for air cargo transport according to claim 6, characterized in that: The adjusting sleeve (506) is provided with an adjusting sleeve slot (507), and the adjusting sleeve slot (507) forms a sliding fit with a screw (508) fixed on the sleeve (509), thereby ensuring synchronous rotation between the sleeve (509) and the adjusting sleeve (506).

8. The rapid anchoring device for air cargo transport according to claim 6, characterized in that: A handle (510) that can be opened and closed is symmetrically hinged on the sleeve (509).

9. The rapid mooring device for air cargo transport according to claim 6, characterized in that: The bottom end of the adjustment sleeve (506) is processed with a cross-section tooth (511), and the cross-section tooth (511) is meshed with the inclined groove (515) on the locking device fork (505).