CN115158689A - Synchronous mechanical locking mechanism - Google Patents
Synchronous mechanical locking mechanism Download PDFInfo
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- CN115158689A CN115158689A CN202210527693.4A CN202210527693A CN115158689A CN 115158689 A CN115158689 A CN 115158689A CN 202210527693 A CN202210527693 A CN 202210527693A CN 115158689 A CN115158689 A CN 115158689A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 210000000078 claw Anatomy 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 241000054828 Lycaena xanthoides Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/12—Ground or aircraft-carrier-deck installations for anchoring aircraft
- B64F1/125—Mooring or ground handling devices for helicopters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses a synchronous mechanical locking mechanism, which belongs to the technical field of quick recovery of a helicopter in offshore operation and comprises a supporting plate, a locking pin, a pin shaft, a triangular slide block, a first pin, a second pin, a fixed supporting plate, a long connecting rod, a tension spring screw, a detection assembly, an unlocking hydraulic cylinder and a limiting assembly. When the quick mooring device normally operates, the locking pins are in a retraction state under the action of the unlocking hydraulic cylinder, and the mechanical claw can move in a working range; when the quick mooring device meets emergency conditions such as power supply failure, overload, chain fracture and the like, the locking pins synchronously extend out under the action of the long connecting rod and the tension spring to transversely lock the mechanical claw on a large scale. The synchronous mechanical locking mechanism disclosed by the invention has the advantages of high safety, high reliability and compact structure, and can ensure the safety of the helicopter in marine operation in the mooring and traction processes.
Description
Technical Field
The invention relates to the technical field of quick recovery of a helicopter in offshore operation, in particular to a synchronous mechanical locking mechanism which is suitable for transverse locking protection of a mechanical claw of a quick mooring device.
Background
Marine helicopters require the assistance of a quick mooring device when performing work tasks in rough sea conditions, particularly when landing on the deck of a vessel. Due to the fact that the landing platform is relatively small, the environment of the ship surface is complex, and the landing platform is influenced by sea wind, surge, turbulent flow of the ship surface air field and the like, the landing platform brings more difficulties for alignment and flying of the offshore operation helicopter in the process of capturing, mooring, pulling out of a ship and warehousing. In particular, a safe and reliable mechanical locking mechanism is needed to ensure the safety of the helicopter during mooring and towing.
This requires that the mechanical locking mechanism is in a standby state when the quick mooring device is operating normally, and does not affect the lateral movement of the gripper; when the quick mooring device meets the emergency situations of power supply failure, overload and chain fracture, the mechanical locking mechanism can realize synchronous mechanical locking in the transverse motion range of the mechanical claw. In addition, due to the internal space limitation and the special working environment requirement of the quick mooring device, the synchronous mechanical locking mechanism is required to have a compact structure and an explosion-proof function.
In combination with the above harsh requirements, the invention provides a synchronous mechanical locking mechanism with high safety, high reliability and compact structure.
Disclosure of Invention
The invention provides a synchronous mechanical locking mechanism, which can meet the requirements of high safety, high locking reliability and compact structure and is suitable for a quick mooring device of a quick recovery system of a helicopter in offshore operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a synchronous mechanical locking mechanism comprises a supporting plate, a locking pin, a pin shaft, a triangular sliding block, a first pin, a second pin, a fixed supporting plate, a long connecting rod, a tension spring screw, a detection assembly, an unlocking hydraulic cylinder and a limiting assembly;
a plurality of locking pin holes are uniformly distributed in the supporting plate, and copper sleeves are embedded in the locking pin holes so that sparks cannot be generated when the locking pin moves in the locking pin holes in a telescopic mode; the end part of the side edge of the supporting plate is provided with a limiting block for limiting the movement stroke of the mechanical claw; a fixed support plate is further mounted beside each locking pin hole of the support plate;
the long connecting rod is connected with the triangular sliding blocks through first pins, each triangular sliding block is further connected with the locking pin and the fixed support plate through a pin shaft and a second pin, and when the long connecting rod moves transversely, the triangular sliding blocks can drive the locking pins to synchronously perform telescopic movement; the long connecting rod is also provided with a detection component trigger baffle and a limiting component trigger baffle; two tension spring screws are arranged, one tension spring screw is arranged on the side wall of the supporting plate, the other tension spring screw is arranged on the long connecting rod, and two ends of each tension spring are respectively connected with the two tension spring screws;
the detection assembly, the unlocking hydraulic cylinder and the limiting assembly are all arranged on the side wall of the supporting plate; the detection assembly comprises two travel switch sensors which are installed in the same direction, so that redundancy is achieved, and when one travel switch sensor is damaged, the detection assembly can still work normally; the unlocking hydraulic cylinder is a plunger type hydraulic cylinder, when high-pressure hydraulic oil is input into the hydraulic pipeline, the plunger rod extends out and provides active thrust, and when the hydraulic pipeline is communicated with an oil tank of a hydraulic system, the plunger rod can retract under the action of external force; the limiting assembly is used for adjusting and limiting the extending length of the plunger rod.
The technical scheme of the invention is further improved as follows: when the quick mooring device normally operates, high-pressure hydraulic oil is input into a hydraulic pipeline, a plunger rod of the unlocking hydraulic cylinder extends out, and the long connecting rod is pushed to pull all the locking pins to retract synchronously; at the moment, the tension spring is in a stretched state; the detection assembly triggers a travel switch sensor of the baffle compression detection assembly and triggers an unlocking signal;
when the quick mooring device meets the emergency conditions of power supply failure, overload and chain fracture, the long connecting rod pulls all locking pins to synchronously extend under the action of the tension spring, and the mechanical claw is subjected to large-scale transverse locking protection; at the moment, the hydraulic pipeline is communicated with an oil tank of the hydraulic system, and a plunger rod of the unlocking hydraulic cylinder retracts under the pushing of a limit component trigger baffle; the detection assembly triggers the baffle to be far away from a travel switch sensor of the detection assembly and triggers a locking signal.
The technical scheme of the invention is further improved as follows: be equipped with on the copper sheathing with locking pinhole matched with copper sheathing boss, prevent when carrying out the unblock action because the great copper sheathing that leads to of frictional force moves along locking pinhole cluster with the locking round pin between locking round pin and the copper sheathing.
The technical scheme of the invention is further improved as follows: the outer diameter of the end part of the locking pin is smaller than the inner diameter of the copper sleeve, so that the locking pin cannot deform or scratch due to collision with the mechanical claw to influence the telescopic motion of the locking pin in the copper sleeve; and a limiting threaded hole is also formed in the locking pin.
The technical scheme of the invention is further improved as follows: the pin shaft is provided with a pin shaft limiting boss, so that the installation and debugging are convenient; the pin shaft is also provided with a pin shaft limiting groove, and after the pin shaft is installed, a limiting screw hole of the locking pin is arranged in a limiting screw and clamped in the pin shaft limiting groove, so that the pin shaft is prevented from moving up and down.
The technical scheme of the invention is further improved as follows: the triangular sliding block is provided with a waist-shaped pin hole I, a waist-shaped pin hole II and a round pin hole; the first waist-shaped pin hole is connected with the locking pin through a pin shaft, the second waist-shaped pin hole is connected with the long connecting rod through a first pin, and the round pin hole is connected with the fixed support plate through a second pin; the waist-shaped pin hole I and the waist-shaped pin hole II enable the long connecting rod to move horizontally along the supporting plate all the time without movement perpendicular to the supporting plate when the triangular sliding block rotates around the central axis of the round pin hole, and therefore the installation space is more compact.
The technical scheme of the invention is further improved as follows: the limiting assembly comprises a limiting block and an adjusting screw, and the movement stroke of the plunger rod is limited by changing the length of the adjusting screw extending out of the limiting block, so that the expansion and contraction amount of the locking pin is controlled; and the limiting block is also provided with a locking threaded hole, and after the position of the adjusting screw is adjusted, the locking threaded hole is screwed into the locking screw to fix the position of the adjusting screw.
The technical scheme of the invention is further improved as follows: the plurality of long connecting rods can be fixed together by using the connecting rods, so that synchronous motion of the plurality of long connecting rods can be realized only by using a group of detection assemblies, unlocking hydraulic cylinders and limiting assemblies.
By adopting the technical scheme, the invention has the technical progress that:
1. according to the invention, the triangular sliding block is used for indirectly mounting a plurality of locking pins on the same long connecting rod, so that the locking pins can move synchronously, and the large-scale synchronous mechanical locking is realized.
2. The unlocking process of the invention adopts the plunger cylinder with controllable action to drive, and the locking process adopts the tension spring with constant tension to drive, so that the invention still has reliable power source under the emergency conditions of power supply failure, overload and chain fracture.
3. The detection assembly comprises two travel switch sensors which are installed in the same direction, so that a redundancy effect is achieved, and when one travel switch sensor is damaged, the detection assembly can still work normally, so that the signal detection reliability is greatly improved.
4. According to the invention, the waist-shaped hole is formed in the triangular sliding block, so that the movement of the long connecting rod cannot interfere with other parts, and the installation space is more compact.
5. According to the invention, the copper sleeve is arranged in the locking pin hole, so that sparks are not generated when the locking pin moves, and the safety of the locking mechanism is greatly improved.
6. The invention improves the reliability of the movement of the locking pin by the special structural design of the locking pin, the copper sleeve and the pin shaft.
7. The invention limits the movement stroke of the plunger rod by changing the length of the adjusting screw extending out of the limiting block, so that the telescopic amount of the locking pin is adjustable.
8. The invention can fix a plurality of long connecting rods together by using the connecting rods, so that synchronous motion of the plurality of long connecting rods can be realized by using only one group of detection assembly, unlocking hydraulic cylinder and limiting assembly, and further the requirement of synchronous locking in a wider range is met.
Drawings
FIG. 1 is a schematic view of the unlocked state of the present invention;
FIG. 2 is a schematic view of the locked state of the present invention;
FIG. 3 is a schematic view of the copper sheath structure of the present invention;
FIG. 4 is a schematic illustration of the locking pin configuration of the present invention;
FIG. 5 is a schematic view of the pin structure of the present invention;
FIG. 6 is a schematic view of a triangular slider structure according to the present invention;
FIG. 7 is a schematic view of a spacing assembly of the present invention;
FIG. 8 is a schematic view of the present invention with the linkage rod extending the synchronous locking range;
FIG. 9 is a schematic diagram of an embodiment of the present invention;
wherein, 1, a support plate, 1-1, a copper sleeve, 1-1-1, a copper sleeve boss, 1-2 and a limiting block; 2. 2-1 parts of a locking pin, 2-2 parts of the end part of the locking pin and 2-2 parts of a limiting threaded hole; 3. 3-1 parts of a pin shaft, 3-2 parts of a pin shaft limiting boss and a pin shaft limiting groove; 4. the structure comprises a triangular sliding block 4-1, waist-shaped pin holes I and II, waist-shaped pin holes 4-2, waist-shaped pin holes 4-3 and round pin holes; 5. 5-1 part of a pin, 5-2 parts of a first pin and a second pin; 6. fixing a support plate; 7. the device comprises a long connecting rod, 7-1, a detection component trigger baffle, 7-2 and a limiting component trigger baffle; 8. a tension spring; 9. a tension spring screw; 10. a detection component; 11. the unlocking hydraulic cylinder 11-1, the hydraulic pipeline 11-2 and the plunger rod; 12. a limiting component 12-1, a limiting block 12-2 and an adjusting screw; 13. a connecting rod; 14. mechanical claw, 14-1, spacing groove.
Detailed Description
The invention aims to provide a mechanical locking structure for the technical field of a quick recovery system of a helicopter in offshore operation. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-8, a synchronous mechanical locking mechanism includes a supporting plate 1, a locking pin 2, a pin shaft 3, a triangular slider 4, a first pin 5-1, a second pin 5-2, a fixed support plate 6, a long connecting rod 7, a tension spring 8, a tension spring screw 9, a detection assembly 10, an unlocking hydraulic cylinder 11 and a limiting assembly 12;
a plurality of locking pin holes are uniformly distributed on the supporting plate 1, and copper sleeves 1-1 are embedded in the locking pin holes, so that sparks cannot be generated when the locking pin 2 moves in the locking pin holes in a telescopic mode; the end part of the side edge of the supporting plate 1 is provided with a limiting block 1-2 which is used for limiting the movement stroke of the mechanical claw 14; a fixed support plate 6 is further mounted beside each locking pin hole of the support plate 1;
the long connecting rod 7 is connected with the triangular sliding blocks 4 through the first pins 5-1, each triangular sliding block 4 is further connected with the locking pin 2 and the fixed support plate 6 through the pin shaft 3 and the second pins 5-2, and when the long connecting rod 7 transversely moves, the triangular sliding blocks 4 can drive the locking pins 2 to synchronously perform telescopic movement; the long connecting rod 7 is also provided with a detection component trigger baffle 7-1 and a limiting component trigger baffle 7-2; two tension spring screws 9 are arranged, one is arranged on the side wall of the supporting plate 1, the other is arranged on the long connecting rod 7, and two ends of the tension spring 8 are respectively connected with the two tension spring screws 9;
the detection assembly 10, the unlocking hydraulic cylinder 11 and the limiting assembly 12 are all arranged on the side wall of the supporting plate 1; the detection assembly 10 comprises two travel switch sensors which are installed in the same direction, so that a redundancy effect is achieved, and when one of the travel switch sensors is damaged, the detection assembly 10 can still work normally; the unlocking hydraulic cylinder 11 is a plunger type hydraulic cylinder, when high-pressure hydraulic oil is input into the hydraulic pipeline 11-1, the plunger rod 11-2 extends out and provides active thrust, and when the hydraulic pipeline 11-1 is communicated with an oil tank of a hydraulic system, the plunger rod 11-2 can retract under the action of external force; the limiting component 12 is used for adjusting and limiting the extending length of the plunger rod 11-2.
As shown in fig. 1, 2, 4 and 8, specifically: when the quick mooring device normally operates, high-pressure hydraulic oil is input into the hydraulic pipeline 11-1, the plunger rod 11-2 of the unlocking hydraulic cylinder 11 extends out, and the long connecting rod 7 is pushed to pull all the locking pins 2 to retract synchronously; at the moment, the tension spring 8 is in a stretched state; the detection assembly triggers the baffle 7-1 to compress a travel switch sensor of the detection assembly 10 and triggers an unlocking signal;
when the rapid mooring device meets emergency conditions such as power supply failure, overload, chain breakage and the like, the long connecting rod 7 pulls all the locking pins 2 to synchronously extend under the action of the tension spring 8, and the mechanical claw 14 is subjected to large-scale transverse locking protection; at the moment, the hydraulic pipeline 11-1 is communicated with an oil tank of a hydraulic system, and a plunger rod 11-2 of the unlocking hydraulic cylinder 11 retracts under the pushing of a limiting component triggering baffle 7-2; the detection assembly triggers the baffle 7-1 to be far away from a travel switch sensor of the detection assembly 10 and triggers a locking signal.
As shown in fig. 1-3, specifically: the copper sleeve 1-1 is provided with a copper sleeve boss 1-1-1 matched with the locking pin hole, so that the copper sleeve 1-1 and the locking pin 2 can be prevented from moving along the locking pin hole due to large friction force between the locking pin 2 and the copper sleeve 1-1 when unlocking is performed.
As shown in fig. 1, 2 and 4, specifically: the outer diameter of the end part 2-1 of the locking pin is smaller than the inner diameter of the copper sleeve 1-1, so that the locking pin 2 cannot influence the telescopic motion of the locking pin in the copper sleeve 1-1 due to deformation or scratch generated by collision of the locking pin with the mechanical claw 14; and the locking pin 2 is also provided with a limiting threaded hole 2-2.
As shown in fig. 1, 2 and 5, specifically: the pin shaft 3 is provided with a pin shaft limiting boss 3-1, so that the installation and debugging are convenient; the pin shaft 3 is also provided with a pin shaft limiting groove 3-2, and after the pin shaft 3 is installed, a limiting screw is arranged in the limiting threaded hole 2-2 of the locking pin 2 and is clamped in the pin shaft limiting groove 3-2, so that the pin shaft 3 is prevented from moving up and down.
As shown in fig. 1, 2, 6, and 8, specifically: the triangular sliding block 4 is provided with a waist-shaped pin hole I4-1, a waist-shaped pin hole II 4-2 and a round pin hole 4-3; the waist-shaped pin hole I4-1 is connected with the locking pin 2 through a pin shaft 3, the waist-shaped pin hole II 4-2 is connected with the long connecting rod 7 through a first pin 5-1, and the round pin hole 4-3 is connected with the fixed support plate 6 through a second pin 5-2; the waist-shaped pin hole I4-1 and the waist-shaped pin hole II 4-2 enable the long connecting rod 7 to translate along the supporting plate 1 all the time without movement perpendicular to the supporting plate 1 when the triangular sliding block 4 rotates around the central axis of the round pin hole 4-3, so that the mounting space of the invention is more compact.
As shown in fig. 1, 2, 7 and 8, specifically: the limiting assembly 12 comprises a limiting block 12-1 and an adjusting screw 12-2, and the movement stroke of the plunger rod 11-2 is limited by changing the length of the adjusting screw 12-2 extending out of the limiting block 12-1, so that the expansion and contraction amount of the locking pin 2 is controlled; the limiting block 12-1 is further provided with a locking threaded hole 12-3, and after the position of the adjusting screw 12-2 is adjusted, the locking threaded hole 12-3 is screwed into the locking screw to fix the position of the adjusting screw 12-2.
As shown in fig. 1, 2 and 8, specifically: the plurality of long connecting rods 7 can be fixed together by using the connecting rods 13, so that synchronous movement of the plurality of long connecting rods 7 can be realized by using only one group of detection assemblies 10, unlocking hydraulic cylinders 11 and limiting assemblies 12, and a wider synchronous locking effect is achieved.
Examples
As shown in fig. 9, when the fast mooring device encounters an emergency such as power failure, overload, and chain breakage, the long link 7 pulls all the locking pins 2 to synchronously extend under the action of the tension spring 8; at this time, if the mechanical claw 14 continues to move transversely under the action of external force, when the mechanical claw 14 moves between two adjacent locking pins 2, the locking pins 2 can be clamped in the limiting grooves 14-1 of the mechanical claw 14, so that transverse locking protection is performed on the mechanical claw 14.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are only for convenience of describing and understanding the technical solutions of the present invention, and the above description is not intended to limit the present invention, and the present invention is not limited to the examples described above, and simple changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should be regarded as the protection scope of the present invention.
Moreover, the terms "first", "second" \8230; are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first," "second" \8230, and \8230mayexplicitly or implicitly include at least one such feature. In the description of the present invention, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Claims (8)
1. A synchronous mechanical locking mechanism is characterized in that: the device comprises a supporting plate (1), a locking pin (2), a pin shaft (3), a triangular sliding block (4), a first pin (5-1), a second pin (5-2), a fixed supporting plate (6), a long connecting rod (7), a tension spring (8), a tension spring screw (9), a detection assembly (10), an unlocking hydraulic cylinder (11) and a limiting assembly (12);
a plurality of locking pin holes are uniformly distributed in the supporting plate (1), and copper sleeves (1-1) are embedded in the locking pin holes, so that sparks cannot be generated when the locking pin (2) moves in the locking pin holes in a telescopic mode; the end part of the side edge of the supporting plate (1) is provided with a limiting block (1-2) for limiting the movement stroke of the mechanical claw (14); a fixed support plate (6) is further mounted beside each locking pin hole of the support plate (1);
the long connecting rod (7) is connected with the triangular sliding blocks (4) through the first pins (5-1), each triangular sliding block (4) is further connected with the locking pin (2) and the fixed support plate (6) through the pin shaft (3) and the second pins (5-2), and when the long connecting rod (7) moves transversely, the triangular sliding blocks (4) can drive the locking pins (2) to synchronously perform telescopic movement; the long connecting rod (7) is also provided with a detection component trigger baffle (7-1) and a limiting component trigger baffle (7-2); two tension spring screws (9) are arranged, one is arranged on the side wall of the support plate (1), the other is arranged on the long connecting rod (7), and two ends of the tension spring (8) are respectively connected with the two tension spring screws (9);
the detection assembly (10), the unlocking hydraulic cylinder (11) and the limiting assembly (12) are all arranged on the side wall of the support plate (1); the detection assembly (10) comprises two travel switch sensors which are installed in the same direction, so that a redundancy effect is achieved, and when one of the travel switch sensors is damaged, the detection assembly (10) can still work normally; the unlocking hydraulic cylinder (11) is a plunger type hydraulic cylinder, when high-pressure hydraulic oil is input into the hydraulic pipeline (11-1), the plunger rod (11-2) extends out and provides active thrust, and when the hydraulic pipeline (11-1) is communicated with an oil tank of a hydraulic system, the plunger rod (11-2) can retract under the action of external force; the limiting component (12) is used for adjusting and limiting the extending length of the plunger rod (11-2).
2. The synchronous mechanical locking mechanism of claim 1, wherein: when the quick mooring device normally operates, high-pressure hydraulic oil is input into a hydraulic pipeline (11-1), a plunger rod (11-2) of the unlocking hydraulic cylinder (11) extends out, and a long connecting rod (7) is pushed to pull all locking pins (2) to retract synchronously; at the moment, the tension spring (8) is in a stretched state; the detection assembly triggers the baffle (7-1) to compress a travel switch sensor of the detection assembly (10) and triggers an unlocking signal;
when the rapid mooring device meets the emergency conditions of power supply failure, overload and chain breakage, the long connecting rod (7) pulls all the locking pins (2) to synchronously extend under the action of the tension spring (8), so that the mechanical claw (14) is subjected to large-scale transverse locking protection; at the moment, a hydraulic pipeline (11-1) is communicated with an oil tank of a hydraulic system, and a plunger rod (11-2) of the unlocking hydraulic cylinder (11) retracts under the pushing of a limit component trigger baffle (7-2); the detection component triggers the baffle (7-1) to be far away from a travel switch sensor of the detection component (10) and triggers a locking signal.
3. The synchronous mechanical locking mechanism of claim 1, wherein: the copper sleeve (1-1) is provided with a copper sleeve boss (1-1-1) matched with the locking pin hole, so that the copper sleeve (1-1) and the locking pin (2) are prevented from moving along the locking pin hole due to the fact that friction force between the locking pin (2) and the copper sleeve (1-1) is large when unlocking is performed.
4. The synchronous mechanical locking mechanism of claim 1, wherein: the outer diameter of the end part (2-1) of the locking pin is smaller than the inner diameter of the copper sleeve (1-1), so that the locking pin (2) cannot influence the telescopic motion of the locking pin in the copper sleeve (1-1) due to deformation or scratch generated by collision of the locking pin with the mechanical claw (14); and the locking pin (2) is also provided with a limiting threaded hole (2-2).
5. The synchronous mechanical locking mechanism of claim 1, wherein: a pin shaft limiting boss (3-1) is arranged on the pin shaft (3), so that the installation and debugging are facilitated; the hinge pin (3) is further provided with a hinge pin limiting groove (3-2), and after the hinge pin (3) is installed, a limiting screw is installed in a limiting threaded hole (2-2) of the locking pin (2) and clamped in the hinge pin limiting groove (3-2), so that the hinge pin (3) is prevented from moving up and down.
6. The synchronous mechanical locking mechanism of claim 1, wherein: the triangular sliding block (4) is provided with a waist-shaped pin hole I (4-1), a waist-shaped pin hole II (4-2) and a round pin hole (4-3); the waist-shaped pin hole I (4-1) is connected with the locking pin (2) through a pin shaft (3), the waist-shaped pin hole II (4-2) is connected with the long connecting rod (7) through a first pin (5-1), and the round pin hole I (4-3) is connected with the fixed support plate (6) through a second pin (5-2); the waist-shaped pin hole I (4-1) and the waist-shaped pin hole II (4-2) enable the long connecting rod (7) to translate along the supporting plate (1) all the time when the triangular sliding block (4) rotates around the central axis of the round pin hole (4-3), and movement perpendicular to the supporting plate (1) is avoided, so that the mounting space is more compact.
7. The synchronous mechanical locking mechanism of claim 1, wherein: the limiting assembly (12) comprises a limiting block (12-1) and an adjusting screw (12-2), and the movement stroke of the plunger rod (11-2) is limited by changing the length of the adjusting screw (12-2) extending out of the limiting block (12-1), so that the expansion and contraction amount of the locking pin (2) is controlled; the limiting block (12-1) is further provided with a locking threaded hole (12-3), and after the position of the adjusting screw (12-2) is adjusted, the locking threaded hole (12-3) is screwed into the locking screw to fix the position of the adjusting screw (12-2).
8. The synchronous mechanical locking mechanism of claim 1, wherein: the plurality of long connecting rods (7) can be fixed together by using the connecting rods (13), so that synchronous movement of the plurality of long connecting rods (7) can be realized only by using one group of detection assemblies (10), unlocking hydraulic cylinders (11) and limiting assemblies (12).
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| CN202210527693.4A CN115158689B (en) | 2022-05-16 | 2022-05-16 | Synchronous mechanical locking mechanism |
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| CN202210527693.4A CN115158689B (en) | 2022-05-16 | 2022-05-16 | Synchronous mechanical locking mechanism |
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| CN115158689B CN115158689B (en) | 2023-09-01 |
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| CN112283204A (en) * | 2020-11-30 | 2021-01-29 | 马鞍山齐力机电设备有限公司 | Adjustable mechanical limiting device of hydraulic oil cylinder |
| CN215521460U (en) * | 2021-08-23 | 2022-01-14 | 江苏亚力亚气动液压成套设备有限公司 | Oil cylinder with adjustable stroke |
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2022
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|---|---|---|---|---|
| US3559927A (en) * | 1968-08-21 | 1971-02-02 | Fairey Canada Ltd | Helicopter rapid securing device |
| JPH06280827A (en) * | 1993-03-26 | 1994-10-07 | Fuji Oozx Inc | Single acting fluid pressure cylinder device |
| KR20150055215A (en) * | 2013-11-12 | 2015-05-21 | 주식회사알피엠텍 | Stroke limiting device of hydraulic and pneumatic cylinder |
| CN109625306A (en) * | 2018-11-29 | 2019-04-16 | 中国船舶工业系统工程研究院 | A method of laterally alignment helicopter |
| CN112283204A (en) * | 2020-11-30 | 2021-01-29 | 马鞍山齐力机电设备有限公司 | Adjustable mechanical limiting device of hydraulic oil cylinder |
| CN215521460U (en) * | 2021-08-23 | 2022-01-14 | 江苏亚力亚气动液压成套设备有限公司 | Oil cylinder with adjustable stroke |
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| CN115158689B (en) | 2023-09-01 |
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