CN111114781B - One-to-four multi-direction multi-position simultaneous linkage mechanism - Google Patents
One-to-four multi-direction multi-position simultaneous linkage mechanism Download PDFInfo
- Publication number
- CN111114781B CN111114781B CN201911385872.3A CN201911385872A CN111114781B CN 111114781 B CN111114781 B CN 111114781B CN 201911385872 A CN201911385872 A CN 201911385872A CN 111114781 B CN111114781 B CN 111114781B
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- Prior art keywords
- rod
- longitudinal
- longitudinal rod
- cross
- fixing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D9/00—Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
Abstract
The invention discloses a one-to-four multi-direction multi-position simultaneous linkage mechanism, wherein a longitudinal rod assembly and four transverse rod assemblies are fixed on a cargo table top by utilizing N supporting seat assemblies, and the longitudinal rod assembly and the transverse rod assemblies can move back and forth along the axis of a supporting seat hole; the longitudinal rod assemblies are arranged in the middle, the axis of the longitudinal rod is taken as an X axis, and the transverse rod assemblies are arranged on two sides of the longitudinal rod in a pairwise opposite mode and form an included angle of 90 degrees with the longitudinal rod; the pulley on the horizontal pole subassembly contacts with the last translation cam of vertical pole subassembly, and divide the horizontal pole axis coaxial of the horizontal pole subassembly of listed vertical pole subassembly both sides. The air-drop cargo platform is mainly applied to the field of offshore air-drop in China, and parts in four directions and four positions on the air-drop cargo platform can be actuated simultaneously in the air, so that the offshore air-drop system can work normally.
Description
Technical Field
The invention belongs to the field of special air drop, and particularly relates to a one-driving-four multi-direction multi-position simultaneous linkage mechanism.
Background
The input of the initial force value of the airdrop system is the unidirectional force provided by the traction umbrella. The maritime air-drop system needs to utilize the force value input in the single direction to realize the simultaneous actuation of parts in two directions at four positions on a cargo bed in the air-drop process, namely the transmission, the decomposition and the steering of the force.
At present, the domestic air-drop system is mainly a land air-drop system, the conversion of force in a single direction into force in two directions at four positions in the air is blank, and no scheme similar to the practical scheme of the invention exists.
The existing onshore air-drop system mainly transfers force in a single direction through a traction umbrella, a guide umbrella and a main umbrella, and requires that a cargo bed and an air-drop piece are kept relatively static in the air-drop process without actuation requirements. The offshore air-drop system is different from the land air-drop system, and the cargo platform and the air-drop piece (boat) can be separated by automatic actuation in the air-drop process.
Disclosure of Invention
The invention aims to provide a four-in-one multi-direction multi-position simultaneous linkage mechanism which is used for meeting the actuation requirement of a cargo bed part of an offshore air-drop system.
The technical solution for realizing the purpose of the invention is as follows: a one-to-four multi-direction multi-position simultaneous linkage mechanism is characterized in that a longitudinal rod assembly and four transverse rod assemblies are fixed on a cargo table top by utilizing N supporting seat assemblies, and the longitudinal rod assembly and the transverse rod assemblies can move back and forth along the axis of a supporting seat hole; the vertical rod component consists of a vertical rod, a vertical rod spring fixing plate, four direct-acting cams, two direct-acting cam cover plates and a plurality of fastening bolts and nuts; the cross rod assembly consists of a cross rod, a cross rod spring fixing plate, a pulley assembly fixing seat, an adjusting pressure rod fixing plate and an adjusting pressure rod;
the longitudinal rod assemblies are arranged in the middle, the axis of the longitudinal rod is taken as an X axis, and the transverse rod assemblies are arranged on two sides of the longitudinal rod in a pairwise opposite mode and form an included angle of 90 degrees with the longitudinal rod; the pulley on the horizontal pole subassembly contacts with the last translation cam of vertical pole subassembly, and divide the horizontal pole axis coaxial of the horizontal pole subassembly of listed vertical pole subassembly both sides.
Compared with the prior art, the invention has the following remarkable advantages: 1) the mechanism inserts the limit pin in the transportation process, so that the whole mechanism is in a locking state, and the reliability of the connection fixing point of the air-drop piece and the goods table is realized.
2) The mechanism has the advantages of high actuation speed and high reliability in the air-drop working process after the locking state is removed, and the air-drop part cannot be damaged, so that the success of air-drop is ensured.
Drawings
FIG. 1 is a general block diagram of a four-by-four multi-directional multi-position simultaneous linkage deadlocking state of the present invention.
Fig. 2 is a support base assembly.
FIG. 3 is a diagram of the spring force accumulation structure.
Fig. 4 is a diagram of a translation cam and pulley cooperating steering system.
Fig. 5 is a cross bar assembly overall length adjustment mechanism.
FIG. 6 is a general block diagram of the relaxed state of the one-to-four multi-directional multi-position simultaneous linkage of the present invention.
Detailed Description
The air-drop cargo platform is mainly applied to the field of offshore air-drop in China, and parts in four directions and four positions on the air-drop cargo platform can be actuated simultaneously in the air, so that the offshore air-drop system can work normally.
The invention mainly stores force in advance through the springs on the transverse rods and the longitudinal rods, and simultaneously displaces the four transverse rods through the right-angled triangular cams on the longitudinal rods, thereby simultaneously moving four vice moving clamps at four positions on the aerial cargo bed to open space, and solving the technical problem that the aerial cargo bed is actuated at one point and output at four points simultaneously.
The mechanism utilizes N supporting seat assemblies (N is more than or equal to 11) to fix a longitudinal rod assembly and four transverse rod assemblies on a cargo table surface, and the longitudinal rod assembly and the transverse rod assemblies can move back and forth along the axes of the supporting seat holes. The mechanism stores force in advance by means of springs on the longitudinal rod and the cross rod, the longitudinal rod and the cross rod are limited to rotate around the axis of the longitudinal rod and the cross rod by means of the cooperation between a direct-acting cam cover plate on the longitudinal rod and a cross rod pulley and the cooperation of a groove between a rod piece and a supporting seat, and the axial direction of the cross rod is free of gaps by adjusting the thread length of a pressing rod. The mechanism is triggered at one point by pulling out the limiting pin, the longitudinal rod returns under the action of the spring of the longitudinal rod, and the four cross rods are actuated simultaneously to leave the space by steering through the direct-acting cam on the longitudinal rod.
The invention is further described below with reference to the figures and examples.
The one-to-four multi-direction multi-position simultaneous linkage mechanism mainly comprises the following structures:
1) the whole locking state of the mechanism is shown in figure 1 and comprises a limiting seat, a limiting bolt, a supporting seat assembly, a longitudinal rod, a direct-acting cam cover plate, a longitudinal rod spring fixing insertion plate, a transverse rod, a pulley assembly fixing seat, a transverse rod spring fixing insertion plate, an adjusting pressure rod fixing plate and a plurality of bolt and nut fasteners. Fig. 1 is a schematic diagram showing the dead lock state of the spring power storage mechanism in the initial state, in order to display the content of serial number 4, and the serial number 5 parts are half-cut.
2) The supporting seat comprises a lower supporting seat and an upper supporting seat. Wherein the lower supporting seat is fastened on the goods table through bolts, and the upper supporting seat is fastened on the upper supporting seat through bolts. The middle joint parts of the upper and lower supporting seats are respectively provided with a semicircular groove and combined into a whole circle, so that the longitudinal rod/the transverse rod can pass through the semicircular grooves. The bottom of the lower support seat semicircle is designed with a protruding strip, and the longitudinal rod/cross rod is provided with a groove at the dependent position, which can prevent the longitudinal rod/cross rod from rotating. As shown in fig. 2. The mechanism has N supporting seats, and N is more than or equal to 11.
3) The limiting seat 1 is installed on the cargo bed through bolts, the side wall of the limiting seat 1 is provided with a limiting pin hole, and the limiting pin hole in the side wall of the limiting seat 1 is coaxial with the longitudinal rod bolt hole when the installation position is in a system tightening state, so that the limiting bolt 2 can be smoothly inserted. A spacing seat 1 and a spacing pin constitute a spacing assembly. The mechanism has a limiting component.
4) The longitudinal rod spring is in a state that one end is tightly connected and the other end is not tightly connected. The head of the longitudinal rod spring fixing insertion plate is reserved with a longitudinal rod matching installation hole, and the two sides of the longitudinal rod spring fixing insertion plate are grooved according to the pitch of the longitudinal rod spring. The middle and rear sections of the longitudinal rods are provided with grooves, mounting holes are formed in the vertical direction of the ends of the grooves, the longitudinal rod spring fixing insertion plates are inserted, and bolts penetrate through the respective mounting holes to fasten the longitudinal rods and the longitudinal rod spring fixing insertion plates. The longitudinal rod spring is inserted into the longitudinal rod from the tail end of the longitudinal rod spring fixing plate through the loose end and rotates around the axis of the longitudinal rod, so that the loose end of the spring penetrates through the slotted holes in the two sides of the longitudinal rod spring fixing plate. When the longitudinal rod assembly is placed in the supporting seat and the free state of the longitudinal rod spring needs to be guaranteed, one supporting seat end face is in contact with the longitudinal rod spring tightening end. As shown in fig. 3.
5) The contact surface of the long right-angle edges of the two translation cams is grooved, so that the longitudinal rod can pass through the middle. The upper part and the lower part are clamped by two straight-moving cam pressing plates and are fastened by bolts. After passing through the longitudinal rod, the bolt passes through the middle mounting hole to be fastened with the longitudinal rod. Horizontal extension surfaces are added in the front and the back of the bevel edge of the direct-acting cam, so that the pulley is convenient to abut. The front and back of the bevel edge of the linear motion cam are provided with protrusions to prevent the pulley from sliding out of the linear motion cam raceway. The cover plate of the linear motion cam exceeds the bevel edge of the linear motion cam to prevent the pulley from rotating. As shown in fig. 4.
6) A longitudinal rod 8, a longitudinal rod spring 6, a longitudinal rod spring fixing plate 7, four translational cams 4, two translational cam cover plates 5 and a plurality of fastening bolts and nuts form a longitudinal rod assembly. The mechanism shares a longitudinal rod assembly.
7) The pulley component consists of a pulley, a pulley shaft and a pulley connecting seat. The pulley inserts the pulley connecting seat, makes its fastening through the pulley shaft, and the pulley can be around the pulley shaft rotation. Is connected and fastened with the cross rod through a pulley component fixing seat and a plurality of bolts. The pulley component fixing seat and the end of the cross rod are provided with matching clamping grooves for limiting the pulley component to rotate around the axis of the cross rod.
8) The cross bar spring is in a state that one end is tightly connected and the other end is not tightly connected. The head of the cross rod spring fixing inserting plate is reserved with a cross rod matching mounting hole, and the two sides of the cross rod spring fixing inserting plate are grooved according to the pitch of the cross rod spring. The middle section of the cross rod is provided with a groove, the head end of the groove is provided with a mounting hole in the vertical direction, the cross rod spring fixing insertion plate is inserted, and the longitudinal rod and the cross spring fixing insertion plate are fastened by penetrating through the respective mounting hole through a bolt. The cross rod spring is inserted into the cross rod from the tail end of the cross rod spring fixing plate through the non-tight end and rotates around the axis of the cross rod, so that the non-tight end of the spring penetrates through the slotted holes in the two sides of the cross rod spring fixing plate. When the cross rod assembly is placed in the supporting seat and the free state of the cross rod spring needs to be guaranteed, one end face of the supporting seat is in contact with the end tightening end of the cross rod spring.
9) The adjusting pressure bar fixing plate is inserted into the clamping groove at the other end of the cross rod and is fastened on the cross rod through a bolt. Circular bulges are arranged on two sides of the adjusting pressure rod fixing plate, and threaded holes are formed in the middle of the circular bulges and matched with the adjusting pressure rod. The height between the end face of the adjusting pressure rod and the fixing plate of the adjusting pressure rod can be adjusted by screwing the thread length of the adjusting pressure rod. As shown in fig. 5.
10) The transverse rod assembly comprises a transverse rod, a transverse rod spring fixing plate, a pulley assembly fixing seat, an adjusting pressure rod fixing seat, two adjusting pressure rods and a plurality of fastening bolt nuts. The mechanism has four cross bar assemblies.
11) The longitudinal rod components are placed in the middle, the axis of the longitudinal rod is taken as an X axis, and the transverse rod components are placed on two sides of the longitudinal rod in a pairwise opposite mode and form an included angle of 90 degrees with the longitudinal rod. The pulley on the horizontal pole subassembly and the last translation cam contact of vertical pole subassembly, and when locking the state, the pulley is at the high length end of translation cam hypotenuse. The transverse rod axes of the transverse rod assemblies on the two sides of the split longitudinal rod assembly are coaxial.
The invention can realize simultaneous actuation in multiple points and multiple directions by increasing or decreasing the number of the direct-acting cams and the number of the transverse rods on the longitudinal rods.
The four-in-one multi-direction multi-position simultaneous linkage mechanism mainly works as follows:
1) the relaxed state of the mechanism is shown in fig. 6.
2) The manual power pulls the longitudinal rod assembly along the-X direction, so that the longitudinal rod spring is compressed to store force. The pulley of the cross rod component rotates along the bevel edge of the direct-acting cam, the cross rod at the + Y side moves along the + Y axis direction, the cross rod at the-Y side moves along the-Y axis direction, and the cross rod spring compresses to store force. And pulling the longitudinal rod assembly until the longitudinal rod bolt hole is coincident with the axis of the bolt hole of the limiting seat 1, and inserting the limiting pin. The length of the pressure lever is adjusted by adjusting the outer end of the cross bar, so that the pressure lever is tightly attached to the surface of a part at the lower end of the cross bar. The entire system reaches a lock-up state.
3) In the air-drop process, the main parachute line is straightened and the limiting pin is extracted, the longitudinal rod assembly moves in the direction + Y under the action of the longitudinal rod spring, the transverse rod assembly is drawn close along the longitudinal rod in the direction of the Y axis under the action of the transverse rod spring, the adjusting pressure rod of the transverse rod assembly generates a space with the surface of a contact part of the adjusting pressure rod, and the contact part can move. The actuation requirements of multi-direction and multi-position are realized.
The key points of the invention are as follows:
firstly, the spring drives the power structure that holds that the member moved.
Secondly, the design requirement of the spring force value ensures that the whole mechanism acts rapidly.
Thirdly, the angle design of the linear motion cam and the design of the cover plate of the linear motion cam for preventing the rod piece from rotating.
Fourthly, the design between the rod piece and the supporting piece prevents the rod piece from rotating around the axis of the rod piece.
The invention has the advantages that the test process is good after nearly 30 times of tests on the ground, the spring force value is in the designed range, four-point actuation is simultaneous and rapid, the reliability is high, faults such as unsmooth actuation, clamping stagnation and the like do not occur, and the expected effect is basically achieved.
Claims (2)
1. A one-to-four multi-directional multi-position simultaneous linkage mechanism, comprising: fixing a longitudinal rod assembly and four transverse rod assemblies on a cargo table top by using N supporting seat assemblies, wherein the longitudinal rod assembly and the transverse rod assemblies can move back and forth along the axis of a supporting seat hole; the vertical rod component consists of a vertical rod (8), a vertical rod spring (6), a vertical rod spring fixing plate (7), four direct-acting cams (4), two direct-acting cam cover plates (5) and a plurality of fastening bolts and nuts; the cross rod component consists of a cross rod (10), a cross rod spring (12), a cross rod spring fixing plate (11), a pulley component (9), a pulley component fixing seat (15), an adjusting pressure rod fixing plate (13) and an adjusting pressure rod (14);
the longitudinal rod assemblies are arranged in the middle, the axis of the longitudinal rod is taken as an X axis, and the transverse rod assemblies are arranged on two sides of the longitudinal rod in a pairwise opposite mode and form an included angle of 90 degrees with the longitudinal rod; the pulleys on the transverse rod assemblies are contacted with the direct-acting cams on the longitudinal rod assemblies, and the transverse rod axes of the transverse rod assemblies on the two sides of the split longitudinal rod assemblies are coaxial;
the device also comprises a limiting seat (1), a limiting bolt (2) and a supporting seat (3);
the supporting seat (3) comprises a lower supporting seat (17) and an upper supporting seat (16), the lower supporting seat (17) is fastened on the cargo bed through bolts, and the upper supporting seat (16) is fastened on the upper supporting seat through bolts; the middle joint parts of the upper and lower supporting seats are respectively provided with a semicircular groove and combined into a whole circle, so that the longitudinal rod (8)/the transverse rod (10) can pass through the semicircular grooves; the semicircular bottom of the lower supporting seat (17) is provided with a convex strip, and the longitudinal rod (8)/the transverse rod (10) are provided with grooves at the dependent positions;
the longitudinal rod spring (6) is in a state that one end is parallel and the other end is not parallel; mounting holes matched with the longitudinal rods are reserved in the head parts of the longitudinal rod spring fixing plates (7), and holes are formed in the two sides of each longitudinal rod spring fixing plate according to the pitch of the longitudinal rod springs (6); the middle and rear sections of the longitudinal rods (8) are grooved, mounting holes are formed in the vertical direction of the groove heads, the longitudinal rod spring fixing plates (7) are inserted, and the longitudinal rods (8) are fastened with the longitudinal rod spring fixing plates (7) through bolts penetrating through the respective mounting holes; the longitudinal rod spring (6) is inserted into the longitudinal rod from the tail end of the longitudinal rod spring fixing plate (7) through the non-tight end and rotates around the axis of the longitudinal rod, so that the non-tight end of the spring passes through the slotted holes on the two sides of the longitudinal rod spring fixing plate (7); the upper part and the lower part of the direct-acting cam (4) are clamped by two direct-acting cam cover plates (5) and are fastened by bolts; the front part and the rear part of the vertical rod (8) penetrate through the middle of the two linear motion cams (4), and the linear motion cams (4) are fastened with the vertical rod (8); the pulley component fixing seat (15) is connected and fastened with the cross rod (10) through a bolt; the pulley component fixing seat (15) is matched with one end of the cross rod (10) through a clamping groove to limit the pulley component (9) to rotate around the axis of the cross rod (10); the cross bar spring (12) is in a state that one end is parallel to the other end and the other end is not parallel to the other end; mounting holes matched with the cross rods (10) are reserved in the heads of the cross rod spring fixing plates (11), and holes are formed in the two sides of the cross rod spring fixing plates according to the pitch of the cross rod springs (12); a groove is formed in the middle section of the cross rod (10), mounting holes are formed in the vertical direction of the head end of the groove, a cross rod spring fixing plate (11) is inserted, and the cross rod (10) and the cross rod spring fixing plate (11) are fastened by passing through the respective mounting holes through bolts; the cross bar spring (12) is inserted into the cross bar (10) from the tail end of the cross bar spring fixing plate (11) from the loose end and rotates around the axis of the cross bar, so that the loose end of the spring passes through the slotted holes on the two sides of the cross bar spring fixing plate (11); the adjusting pressure rod fixing plate (13) is inserted into the clamping groove at the other end of the cross rod (10) and is fastened on the cross rod (10) through a bolt;
circular bulges are arranged on two sides of the adjusting pressure rod fixing plate (13), and threaded holes are formed in the middle of the circular bulges and are matched with the adjusting pressure rod (14).
2. The one-four multi-directional multi-position simultaneous linkage mechanism according to claim 1, wherein: the limiting seat (1) and the limiting bolt (2) form a limiting component; the limiting seat (1) is installed on the cargo bed through bolts, a limiting pin hole is formed in the side wall of the limiting seat, and the limiting pin hole is coaxial with a pin hole of the longitudinal rod (8) when the mechanism is in a tightening state, so that the limiting pin (2) is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385872.3A CN111114781B (en) | 2019-12-29 | 2019-12-29 | One-to-four multi-direction multi-position simultaneous linkage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385872.3A CN111114781B (en) | 2019-12-29 | 2019-12-29 | One-to-four multi-direction multi-position simultaneous linkage mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN111114781A CN111114781A (en) | 2020-05-08 |
| CN111114781B true CN111114781B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911385872.3A Active CN111114781B (en) | 2019-12-29 | 2019-12-29 | One-to-four multi-direction multi-position simultaneous linkage mechanism |
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| CN (1) | CN111114781B (en) |
Citations (5)
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|---|---|---|---|---|
| CA2531914A1 (en) * | 2005-04-15 | 2006-10-15 | Gary R. Ludwig | Anti-tip interlocking linkage mechanism for vertical cabinets |
| CN104790456A (en) * | 2015-01-30 | 2015-07-22 | 徐工集团工程机械股份有限公司科技分公司 | Linkage-type maneuvering box |
| CN204703219U (en) * | 2015-01-30 | 2015-10-14 | 徐工集团工程机械股份有限公司科技分公司 | Linkage type operation panel |
| CN105350870A (en) * | 2015-11-30 | 2016-02-24 | 佛山市汇泰龙智能科技有限公司 | Movable door assembly capable of achieving synchronous and same-direction linkage |
| CN207791958U (en) * | 2018-01-10 | 2018-08-31 | 重庆市元康药用包装材料有限公司 | A kind of alternating lifting link-gear of cam mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7507099B2 (en) * | 2004-10-01 | 2009-03-24 | Teradyne, Inc. | Floating interface linkage |
| US20110198448A1 (en) * | 2010-02-15 | 2011-08-18 | Allement Mark T | Linkage assembly for operatively connecting a blue flag to a derail |
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2019
- 2019-12-29 CN CN201911385872.3A patent/CN111114781B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2531914A1 (en) * | 2005-04-15 | 2006-10-15 | Gary R. Ludwig | Anti-tip interlocking linkage mechanism for vertical cabinets |
| CN104790456A (en) * | 2015-01-30 | 2015-07-22 | 徐工集团工程机械股份有限公司科技分公司 | Linkage-type maneuvering box |
| CN204703219U (en) * | 2015-01-30 | 2015-10-14 | 徐工集团工程机械股份有限公司科技分公司 | Linkage type operation panel |
| CN105350870A (en) * | 2015-11-30 | 2016-02-24 | 佛山市汇泰龙智能科技有限公司 | Movable door assembly capable of achieving synchronous and same-direction linkage |
| CN207791958U (en) * | 2018-01-10 | 2018-08-31 | 重庆市元康药用包装材料有限公司 | A kind of alternating lifting link-gear of cam mechanism |
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|---|---|
| CN111114781A (en) | 2020-05-08 |
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