CN113998130A - Electric control locking device for limiting - Google Patents

Electric control locking device for limiting Download PDF

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Publication number
CN113998130A
CN113998130A CN202111245928.2A CN202111245928A CN113998130A CN 113998130 A CN113998130 A CN 113998130A CN 202111245928 A CN202111245928 A CN 202111245928A CN 113998130 A CN113998130 A CN 113998130A
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China
Prior art keywords
pin shaft
bolt
lock
guide rail
linkage
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Granted
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CN202111245928.2A
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Chinese (zh)
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CN113998130B (en
Inventor
沈诚松
孙磊
郭音
刘晨
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Qingan Group Co Ltd
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Qingan Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D9/00Equipment for handling freight; Equipment for facilitating passenger embarkation or the like

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention provides an electrically controlled locking device for stopping, comprising: a locking mechanism (1) and an electric control driving device (2); the locking mechanism (1) comprises: the lock comprises a first linkage pin shaft (3), a left lock tongue (5), a lock tongue pin shaft (6), a second linkage pin shaft (7), a linkage rod (8), a locking pin shaft (9), a connecting rod (10), a right lock tongue (11), an unlocking pin shaft (12) and a lock shell (13); when the electric control driving device (2) drives the unlocking pin shaft (12) to slide in the sliding groove (14), the left side bolt (5) and the right side bolt (11) are driven to move, so that the left side bolt (5) and the right side bolt (11) extend out of the inner side of the guide rail (4) through the through holes or are retracted into the lock shell (13). The internal space of the cargo hold of the helicopter can be fully utilized, and the loading and unloading efficiency is improved.

Description

Electric control locking device for limiting
Technical Field
The invention belongs to the field of locking structures, and particularly relates to an electric control locking device for limiting.
Background
At present, with the wide application of helicopters in the field of civil aviation and military in China, the advantages of helicopters in short-distance freight are gradually highlighted.
Mechanical locking devices are mainly adopted in the cargo hold of the existing helicopter, and the locking devices are used for fixing cargoes. Mechanical locking device has personnel to go to the operation when handling the goods, therefore it is long to consume time when the goods is handled, and need leave sufficient space between goods and the cargo hold inner wall and satisfy personnel's operating requirement for the effective freight transportation space in cargo hold reduces, and the size restriction of helicopter cabin, the requirement of cargo hold environment restrict its further development in the aspect of short distance freight transportation.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides an automatically controlled locking device for limit moves, solves current mechanical locking device and exists the problem that makes the effective freight transportation space of space reduce in the cargo hold.
The scheme of the invention is as follows:
the invention provides an electrically controlled locking device for stopping, comprising: a locking mechanism 1 and an electric control driving device 2; the lock mechanism 1 includes: the lock comprises a first linkage pin shaft 3, a left lock tongue 5, a lock tongue pin shaft 6, a second linkage pin shaft 7, a linkage rod 8, a locking pin shaft 9, a connecting rod 10, a right lock tongue 11, an unlocking pin shaft 12 and a lock shell 13; wherein,
the lock shell 13 is arranged on the outer side of the guide rail 4, and through holes are formed in the lock shell 13 and the guide rail 4;
the left bolt 5 and the right bolt 11 are respectively connected in the lock shell 13 through a bolt pin shaft 6 and rotate around the bolt pin shaft 6;
the left-side lock tongue 5 is connected with the linkage rod 8 through the second linkage pin shaft 7, the linkage rod 8 is connected with the connecting rod 10 through the locking pin shaft 9, and the right-side lock tongue 11 is connected with the connecting rod 10 through the first linkage pin shaft 3;
the connecting rod 10 is connected with the electronic control driving device 2 through the unlocking pin shaft 12, a sliding groove 14 is formed in the lock shell 13, and the electronic control driving device 2 drives the unlocking pin shaft 12 to slide in the sliding groove 14;
when the electric control driving device 2 drives the unlocking pin shaft 12 to slide, the left spring bolt 5 and the right spring bolt 11 are driven to move, so that the left spring bolt 5 and the right spring bolt 11 extend out of the inner side of the guide rail 4 through the through hole or retract into the lock shell 13;
when the left bolt 5 and the right bolt 11 extend to the inner side of the guide rail 4 through the through holes, the locking pin shaft 9 is located on one surface, close to the inner side of the guide rail 4, of the plane where the first linkage pin shaft 3 and the second linkage pin shaft 7 belong. The structure can ensure that the device can reliably keep a locking state when bearing the load of goods.
Optionally, the left bolt 5 is L-shaped; the lock mechanism 1 further includes: an auxiliary support 17;
the connecting rod 10 is provided with the auxiliary support 17, and the auxiliary support 17 and the left bolt 5 are in the same plane;
the left lock tongue 5 and the auxiliary support 17 are respectively provided with a corresponding bulge and a corresponding groove;
when the left side spring bolt 5 with the right side spring bolt 11 passes through the through-hole stretches out to the guide rail is inboard, the left side spring bolt 5 with the auxiliary stay 17 passes through the arch is established together with the recess card. The structure can ensure that the device is still in a reliable locking state after the device is elastically deformed when bearing large cargo load.
Optionally, the protrusion and the groove are triangular. This arrangement facilitates the device to be moved forward and out of engagement during unlocking.
Optionally, the sliding groove 14 is formed on a surface of the lock housing 13 away from the guide rail 4. The structure is convenient for reducing the motion stroke of the driving mechanism and reducing the size of the driving mechanism.
Optionally, the left side spring bolt 5 with the right side spring bolt 11 passes through the through-hole stretches out to when the guide rail is inboard, the exposed surface 15 of left side spring bolt with the exposed surface 16 of right side spring bolt is parallel, and the card is established in the goods on the guide rail 4. This structure is convenient for reliable restricted goods, is the face load when making the goods and left side spring bolt 5 or right side spring bolt 6 contact, thereby avoids the load to concentrate on the exposed surface 15 of left side spring bolt or the exposed surface 16 of right side spring bolt and the phenomenon is concentrated to the load appears.
Optionally, a U-shaped groove is formed in the opposite surface of the left side lock tongue 5 and the right side lock tongue 11, and the linkage rod 8 and the connecting rod 10 are clamped in the U-shaped groove. The structure can reduce the size of the device, so that the device has a compact structure and the bearing rigidity of the device is improved.
Optionally, the lock housing 13 is bolted to the guide rail 4.
Optionally, a limiting boss is arranged at the through hole of the lock case 13; the limiting boss is positioned on the outer surface of the lock shell 13;
the limiting boss is used for limiting the extending upper limit of the left side lock tongue 5 and the right side lock tongue 11.
The invention provides an electric control locking device for limiting, which can drive a locking mechanism to unlock a large load under the action of an electric control driving device with limited driving force, so that the device can adapt to various unlocking environments to meet the task requirements of various different conditions. When the device is subjected to external load in the locked state, the device can be stably kept in the locked state, and the external load is decomposed and transmitted to the airplane floor through the rod system structure. After the external load of the device reaches a certain degree in the locked state, the device can slightly move after the mechanism is slightly deformed due to part deformation and the like, and the stroke locking structure is locked again after the movement.
Drawings
FIG. 1 is a schematic structural diagram of an electrically controlled locking device for motion limitation according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of an electrically controlled locking device for movement limiting provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of an auxiliary support according to an embodiment of the present invention;
description of reference numerals:
1-a locking mechanism; 2-a locking mechanism; 3-a first linkage pin shaft;
4-a guide rail; 5, a left bolt; 6-bolt pin shaft;
7-a second linkage pin shaft; 8-a linkage rod; 9-locking the pin shaft;
10-connecting rod; 11-right bolt; 12-unlocking the pin shaft;
13-a lock case; 14-a sliding groove; 15-the exposed surface of the left bolt;
16-the exposed surface of the right bolt; and 17, auxiliary supporting.
Detailed Description
The electrically controlled locking device for movement limitation provided by the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an electrically controlled locking device for motion limitation according to an embodiment of the present invention, fig. 2 is a front sectional view of the electrically controlled locking device for motion limitation according to the embodiment of the present invention, and fig. 3 is a schematic structural diagram of an auxiliary support according to the embodiment of the present invention; as shown in fig. 1-3, the electrically controlled locking device basically functions to provide directional and counter directional motion limitations when the helicopter is used to transport containerized cargo.
An electrically controlled locking device for arresting comprising: the locking mechanism 1 and the electric control driving device 2 can be installed in a guide rail 4 on the floor of the airplane or can be independently installed on the floor of the airplane. Wherein,
the locking mechanism 1 comprises a first linkage pin shaft 3, a left lock tongue 5, a lock tongue pin shaft 6, a second linkage pin shaft 7, a linkage rod 8, a locking pin shaft 9, an L-shaped connecting rod 10, a right lock tongue 11, an unlocking pin shaft 12 and a lock shell 13.
When loading goods, after the goods are pushed by a winch or manually to move to a designated position in the cargo hold, the control system controls the electric control driving device 2 to operate, so that the locking mechanism 1 is locked, the goods keep course limitation, when unloading, the control system controls the electric control driving device 2 to operate, so that the locking mechanism 1 is unlocked, the course limitation of the goods is removed, then the goods are moved out of the cargo hold by the winch or manually dragging, and the course limitation of the goods can also be manually unlocked when in failure.
Illustratively, the lock shell 13 is arranged outside the guide rail 4 on the bottom plate of the airplane, and through holes are formed in the lock shell 13 and the guide rail 4; the left bolt 5 and the right bolt 11 are respectively connected in the lock shell 13 through a bolt pin shaft 6 and rotate around the bolt pin shaft 6; the left spring bolt 5 is connected with a linkage rod 8 through a second linkage pin shaft 7, the linkage rod 8 is connected with a connecting rod 10 through a locking pin shaft 9, and the right spring bolt 11 is connected with the connecting rod 10 through a first linkage pin shaft 3; the connecting rod 10 is connected with the electric control driving device 2 through an unlocking pin shaft 12, a sliding groove 14 is formed in the lock shell 13, and the electric control driving device 2 drives the unlocking pin shaft 12 to slide in the sliding groove 14; when the electric control driving device 2 drives the unlocking pin shaft 12 to slide, the left spring bolt 5 and the right spring bolt 11 are driven to move, so that the left spring bolt 5 and the right spring bolt 11 extend out of the inner side of the guide rail 4 through the through hole or retract into the lock shell 13; when the left bolt 5 and the right bolt 11 extend out of the inner side of the guide rail 4 through the through holes, the locking pin shaft 9 is positioned on one surface, close to the inner side of the guide rail 4, of the plane where the first linkage pin shaft 3 and the second linkage pin shaft 7 belong.
Illustratively, the left bolt 5 is L-shaped; the lock mechanism 1 further includes: an auxiliary support 17; an auxiliary support 17 is arranged on the connecting rod 10, and the auxiliary support 17 and the left bolt 5 are in the same plane; the left lock tongue 5 and the auxiliary support 17 are respectively provided with a corresponding bulge and a corresponding groove; when the left bolt 5 and the right bolt 11 extend out to the inner side of the guide rail through the through holes, the left bolt 5 and the auxiliary support 17 are clamped together through the protrusions and the grooves.
Optionally, the protrusions and recesses are triangular.
In the exemplary embodiment, the sliding groove 14 is formed on a side of the lock housing 13 facing away from the guide rail 4.
Illustratively, when the left bolt 5 and the right bolt 11 extend to the inner side of the guide rail through the through holes, the exposed surface 15 of the left bolt and the exposed surface 16 of the right bolt are parallel and clamped in the goods on the guide rail 4.
Illustratively, the opposite surfaces of the left bolt 5 and the right bolt 11 are provided with U-shaped grooves, and the linkage rod 8 and the connecting rod 10 are clamped in the U-shaped grooves.
Illustratively, the lock housing 13 is bolted to the guide rail 4.
Exemplarily, a limit boss is arranged at the through hole of the lock shell 13; the limiting boss is positioned on the outer surface of the lock shell 13; the limiting boss is used for limiting the extending upper limit of the left bolt 5 and the right bolt 11.
The locking/unlocking movement principle is as follows:
when an unlocking signal is received, the control system controls the electric control driving device 2 to act, an unlocking pin shaft 12 of the locking mechanism 1 is driven to move along a sliding groove 14 in a lock shell 13, the unlocking pin shaft 12 drives an L-shaped connecting rod 10 to rotate around a linkage pin shaft 7, the L-shaped connecting rod 10 drives a locking pin shaft 9 to rotate around the linkage pin shaft 7, the locking pin shaft 9 drives a linkage rod 8 to rotate around the linkage pin shaft 7, after the linkage pin shaft 7 and the locking pin shaft 9 are in the same straight line, the linkage pin shaft 7 drives a left lock tongue 5 to rotate around a lock tongue pin shaft 6, the linkage pin shaft 7 drives a right lock tongue 11 to rotate around the lock tongue pin shaft 6 until the pin shaft 12 moves to the tail end along the sliding groove 14, unlocking is completed, and locking can be completed after reverse movement.
The limiting principle is as follows:
when the locking mechanism 1 bears load, the load acts on the exposed surface 15 of the left bolt 5 or the exposed surface 16 of the right bolt 11, so that the locking pin shaft 9 tends to rotate upwards around the linkage pin shaft 7, the movement of the locking pin shaft 9 drives the L-shaped connecting rod 10 to move upwards around the first linkage pin shaft 3, so that the unlocking pin shaft 12 is driven to move upwards along the sliding groove 14, but the unlocking pin shaft 12 is positioned at the uppermost end of the sliding groove 14 in a locking state and is limited upwards by the sliding groove 14; meanwhile, the locking pin shaft 9 moves to drive the linkage rod 8 to move upwards, so that the left lock tongue 5 is driven to move upwards, and the mechanism is in a stable locking state when bearing load.
Dynamic load principle:
when the locking mechanism 1 bears load and the load acts on the exposed surface 15 of the left bolt 5, if the load is too large, the left bolt 5 and the linkage rod 8 can be elastically deformed, so that the left bolt 5 rotates around the bolt pin shaft 6, the auxiliary support 17 is contacted, and the mechanism is in a locking state again.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the invention are intended to be covered by the following claims.

Claims (8)

1. An electrically controlled locking device for stopping, comprising: a locking mechanism (1) and an electric control driving device (2); the locking mechanism (1) comprises: the lock comprises a first linkage pin shaft (3), a left lock tongue (5), a lock tongue pin shaft (6), a second linkage pin shaft (7), a linkage rod (8), a locking pin shaft (9), a connecting rod (10), a right lock tongue (11), an unlocking pin shaft (12) and a lock shell (13); wherein,
the lock shell (13) is arranged on the outer side of a guide rail (4) on a bottom plate of the airplane, and through holes are formed in the lock shell (13) and the guide rail (4);
the left bolt (5) and the right bolt (11) are respectively connected in the lock shell (13) through a bolt pin shaft (6) and rotate around the bolt pin shaft (6);
the left-side lock tongue (5) is connected with the linkage rod (8) through the second linkage pin shaft (7), the linkage rod (8) is connected with the connecting rod (10) through the locking pin shaft (9), and the right-side lock tongue (11) is connected with the connecting rod (10) through the first linkage pin shaft (3);
the connecting rod (10) is connected with the electric control driving device (2) through the unlocking pin shaft (12), a sliding groove (14) is formed in the lock shell (13), and the electric control driving device (2) drives the unlocking pin shaft (12) to slide in the sliding groove (14);
when the electric control driving device (2) drives the unlocking pin shaft (12) to slide, the left spring bolt (5) and the right spring bolt (11) are driven to move, so that the left spring bolt (5) and the right spring bolt (11) extend out of the inner side of the guide rail (4) through the through hole or retract into the lock shell (13);
the left side spring bolt (5) with right side spring bolt (11) pass through the through-hole stretches out to when guide rail (4) are inboard, locking round pin axle (9) are located the planar one side that is close to guide rail (4) inboard that first linkage round pin axle (3) and second linkage round pin axle (7) belong to.
2. The device according to claim 1, characterized in that the left bolt (5) is L-shaped; the locking mechanism (1) further comprises: an auxiliary support (17);
the auxiliary support (17) is arranged on the connecting rod (10), and the auxiliary support (17) and the left bolt (5) are in the same plane;
the left lock tongue (5) and the auxiliary support (17) are respectively provided with a corresponding bulge and a corresponding groove;
when the left side spring bolt (5) with the right side spring bolt (11) passes through the through-hole stretches out to the guide rail is inboard, left side spring bolt (5) with auxiliary stay (17) pass through protruding and recess card are established together.
3. The device of claim 2, wherein the projections and recesses are triangular in shape.
4. Device according to claim 1, characterized in that the sliding groove (14) opens out on a side of the lock housing (13) remote from the guide rail (4).
5. The device according to claim 1, characterized in that when the left bolt (5) and the right bolt (11) are extended to the inner side of the guide rail through the through holes, the exposed surface (15) of the left bolt and the exposed surface (16) of the right bolt are parallel and stuck in the goods on the guide rail (4).
6. The device as claimed in claim 1, characterized in that the opposite faces of the left bolt (5) and the right bolt (11) are provided with a U-shaped groove, and the linkage rod (8) and the connecting rod (10) are clamped in the U-shaped groove.
7. Device according to claim 1, characterized in that the lock housing (13) is bolted to the guide rail (4).
8. Device according to claim 1, characterized in that the through hole of the lock housing (13) is provided with a limit boss; the limiting boss is positioned on the outer surface of the lock shell (13);
the limiting boss is used for limiting the extending upper limit of the left side lock tongue (5) and the right side lock tongue (11).
CN202111245928.2A 2021-10-25 2021-10-25 Electric control locking device for limiting Active CN113998130B (en)

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Application Number Priority Date Filing Date Title
CN202111245928.2A CN113998130B (en) 2021-10-25 2021-10-25 Electric control locking device for limiting

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Application Number Priority Date Filing Date Title
CN202111245928.2A CN113998130B (en) 2021-10-25 2021-10-25 Electric control locking device for limiting

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CN113998130A true CN113998130A (en) 2022-02-01
CN113998130B CN113998130B (en) 2024-01-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116729627A (en) * 2023-08-14 2023-09-12 四川腾盾科技有限公司 Air-drop lock and working method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19816892A1 (en) * 1998-04-16 1999-11-04 Telair Int Gmbh bars
US20110198880A1 (en) * 2010-02-12 2011-08-18 Lynn Chenowth Locking mechanism for cargo compartment cover
CN105667801A (en) * 2014-11-19 2016-06-15 中国航空工业集团公司西安飞机设计研究所 Course limiting and locking mechanism of aviation packaging plate
US20180056848A1 (en) * 2016-09-01 2018-03-01 Airbus Operations Gmbh System for moving loads comprising a locking arrangement that is operable by means of a transport vehicle
US20190061946A1 (en) * 2017-08-25 2019-02-28 Goodrich Corporation Intelligent lock for cargo handling system
CN212022993U (en) * 2020-04-02 2020-11-27 北京二郎神科技有限公司 Unmanned aerial vehicle and goods locking mechanical system thereof
CN112093055A (en) * 2020-10-13 2020-12-18 成都康拓兴业科技有限责任公司 Automatic cargo delivery system for unmanned helicopter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19816892A1 (en) * 1998-04-16 1999-11-04 Telair Int Gmbh bars
US20110198880A1 (en) * 2010-02-12 2011-08-18 Lynn Chenowth Locking mechanism for cargo compartment cover
CN105667801A (en) * 2014-11-19 2016-06-15 中国航空工业集团公司西安飞机设计研究所 Course limiting and locking mechanism of aviation packaging plate
US20180056848A1 (en) * 2016-09-01 2018-03-01 Airbus Operations Gmbh System for moving loads comprising a locking arrangement that is operable by means of a transport vehicle
US20190061946A1 (en) * 2017-08-25 2019-02-28 Goodrich Corporation Intelligent lock for cargo handling system
CN212022993U (en) * 2020-04-02 2020-11-27 北京二郎神科技有限公司 Unmanned aerial vehicle and goods locking mechanical system thereof
CN112093055A (en) * 2020-10-13 2020-12-18 成都康拓兴业科技有限责任公司 Automatic cargo delivery system for unmanned helicopter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116729627A (en) * 2023-08-14 2023-09-12 四川腾盾科技有限公司 Air-drop lock and working method thereof
CN116729627B (en) * 2023-08-14 2023-11-07 四川腾盾科技有限公司 Air-drop lock and working method thereof

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