CN106697225B - A self-locking and unlocking underwater wreck lifting device - Google Patents

Abstract

An underwater debris lifting device capable of self-locking and unlocking comprises a cylindrical hanger rod, wherein a fixing plate is fixed above a sliding key structure of the hanger rod, and the lower end of the hanger rod is fixedly connected with the upper end of a hanging seat; the hanging seat is of an inverted U-shaped structure with a cross-shaped notch at the lower part, the upper parts of the long ends of the hanging claws are inserted into the two sides of the hanging seat, and the two side edges of the driving plate are fixed with driving connecting rods; the locking block driving plate is fixed with the locking block through a pair of slender rods; the lower notch of the hanging seat is provided with a pressure spring, and the T-shaped positioning shaft is fixedly connected with the hanging seat. A convex edge is arranged below the T-shaped positioning shaft, and the T-shaped positioning shaft and the through hole x are in sliding fit clearance. The technical scheme of the invention has simple structure and convenient assembly and disassembly, can meet the requirements of special underwater operation, can carry out salvage operation at a depth which cannot be reached by a diver, and can salvage objects with larger appearance and quality. The underwater submerged object salvage device is wide in application range, low in manufacturing cost and convenient to popularize and apply, and therefore underwater submerged object salvage operation capacity and working efficiency are improved.

Description

A self-locking and unlocking underwater wreck lifting device

FIELD OF THE INVENTION The present invention relates to an underwater fishing tool.

Background Art In recent years, plane crashes have occurred frequently. In order to find the cause of the plane crash and other purposes, it is necessary to recover the black box and wreckage of the plane. If the plane crashes into the bottom of the sea, it is necessary to salvage the wreckage of the plane. If the plane crashes into the deep sea, the water depth exceeds the limit of human diving, and automatic devices must be relied on to complete a series of underwater operations such as grabbing and lifting. The underwater wreck lifting device is designed to solve this problem, and the main target is the truss type wreck. During the working process, the device needs to use the manipulator on the ROV to complete a simple clamping action to trigger the switch of the device, so that the device can connect the wreck and lift the wreck out of the water.

SUMMARY OF THE INVENTION In order to overcome the defects in the prior art, the present invention proposes the following technical solutions: a self-locking and unlocking underwater wreck lifting device, including a cylindrical boom, the upper end of the boom is provided with a cable connection hole, the hanging There is also a key structure fixed above one side of the rod, the fixed plate is fixed above the sliding key structure of the boom, and the lower end of the boom is fixedly connected with the upper end of the hanger; the hanger is an inverted U with a cross notch below. The lower part of the inverted U-shaped structure is a wide notch on the front side and a narrow notch on the side. The lower ends of the two sides of the wide notch are respectively provided with a through hole i and an arc i. The head is provided with a support rod with a through hole ii; the hanger is provided with a through hole x on both sides of the fixed part of the hanger; a pair of L-shaped hanging claws are respectively provided with a through hole iii and an arc ii above the long end. The arc ii has the same radian as the arc i, and the upper inner side of the long end of the hanging claw is provided with a protrusion and the outer side is fixed with a pull rod with a through hole iv, and the upper and lower sides of the long end of the hanging claw are provided with a rotating shaft i Insert the upper part of the long end of a pair of L-shaped hanging claws into the narrow notches on both sides of the hanging seat, the pin passes through the through hole i of the hanging seat and the through hole iii on the L-shaped hanging claw, and the tension spring connects the The through hole ii and the through hole iv on the outer pull rod of the hanging claw; the middle part of the driving plate is provided with a through hole v with a keyway, and the through hole v has a sliding fit gap with the outer circle of the suspension rod and the key structure; the two sides of the driving plate A driving link is fixed on the side, and two rotating shafts ii are fixed under the driving connecting rod. The two ends of the two small connecting rods are respectively provided with a through hole vi and a through hole vii. The through hole vi of the small connecting rod and the rotating shaft i are Sliding fit gap, the through hole vii and the rotating shaft ii are a sliding fit gap; there is a through hole viii in the middle of the lock block, and the rectangular lock block drive plate with a central hole is fixed by a pair of slender rods and the lock block, and a pair of slender The rod passes through the two through holes x on the hanger; the center of the notch under the hanger is provided with a spring groove, and the pressure spring is positioned in the spring groove by a T-shaped positioning shaft, which passes through the through hole x and connects with the hanger. The seat is fixedly connected, and there is a convex edge under the T-shaped positioning shaft. The diameter of the convex edge is larger than the diameter of the through hole viii of the lock block. The T-shaped positioning shaft and the through hole x are sliding fit clearances; there are a pair of driving connecting rods, and the small connecting rod There are two pairs, and two pairs of rotating shaft i and rotating shaft ii are symmetrically installed on both sides of the driving plate and the suspension seat. The fixed plate is fixedly connected with the suspension rod through screws; the driving connecting rod is fixed on both sides of the driving plate through screws ii. The T-shaped positioning shaft and the suspension seat are threaded.

The wreck hoisting device of the present invention adopting the above-mentioned technical solution has simple structure, convenient assembly and disassembly, can meet the needs of special water operations, can carry out salvage operations at depths that divers cannot reach, and can salvage objects with larger shapes and masses. The utility model has wide application range, low manufacturing cost, and is convenient for popularization and application, thereby improving the operation capacity and work efficiency of underwater sunken object salvage.

Description of drawings

Fig. 1 is a schematic diagram of a self-locking and unlocking underwater wreck lifting device of the present invention ready to connect wrecks;

Fig. 2 is the schematic diagram that the connection of the present invention is about to be completed;

Fig. 3 is a schematic diagram of completion of connection and preparation for unlocking of the present invention;

Fig. 4 is a schematic diagram showing that the unlocking of the present invention is about to be completed;

Fig. 5 is a schematic diagram of the completion of the unlocking of the present invention;

Fig. 6 is a side view of the present invention;

Fig. 7 is the M-M cross-sectional view of Fig. 6, shows the state when the parts with serial number 27 are opened;

Fig. 8 is also the M-M sectional view of Fig. 6, showing the state when the serial number is the locked state of the part of 27;

Fig. 9 is a schematic diagram of the assembly of the suspension seat 7 and the suspension rod 1;

Fig. 10 is the N-N sectional view of Fig. 9;

Figure 11 is a schematic diagram of the assembly of the drive plate 4 and the drive link 6;

Fig. 12 is the P-P sectional view of Fig. 11;

Fig. 13 is the front view of hanging claw 27;

Fig. 14 is a right view of hanging claw 27;

Figure 15 is a schematic diagram of the assembly of the lock block drive plate 17 and the lock block 8;

FIG. 16 is a schematic structural view of the small connecting rod 11 .

In the figure: 1. suspension rod, 2. screw i, 3. fixed plate, 4. drive plate, 5. screw ii, 6. drive connecting rod, 7. hanger, 8. lock block, 9. rotating shaft ii, 10. Extension spring, 11. Small connecting rod, 12. Pin, 13. Rotation axis i, 14. Arc i, 15. Cable connection hole, 16. Key structure, 17. Lock block drive plate, 18. Slender rod , 19. Compression spring, 20. T-shaped positioning shaft, 21. Support rod, 22. Through hole (ii), 23. Projection, 4. Arc (ii), 25. Through hole (iv), 26. Pull rod , 27. Hanging claw, 28. Truss type wreckage, 29, Manipulator gripper, 30. Through hole (i), 31. Through hole (iii), 32. Through hole (v), 33. Through hole (vi), 34 .Through hole (vii), 35. Through hole (viii), 36. Spring groove, 37. Rib, 38 Through hole (x).

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be further described in conjunction with the following examples: This self-locking and unlocking underwater wreck lifting device includes a cylindrical boom 1 with a cable connection hole 15 at the upper end, and the top of one side of the boom 1 A key structure 16 is also fixed, and the fixed plate 3 is fixed above the sliding key structure 16 of the suspender 1, and the lower end of the suspender 1 is fixedly connected with the upper end of the suspension seat 7; Inverted U-shaped structure, the lower front of the inverted U-shaped structure is a wide notch and the side is a narrow notch, the lower ends of the two sides of the wide notch are respectively provided with a through hole i-30 and an arc i-14, and the hanging seat 7 The upper two sides are fixed with a support rod 21 with a through hole ii-22 at the end; the hanger 7 is respectively provided with a through hole x-38 on both sides of the fixed part of the hanger 1; a pair of L-shaped hanging claws The top of the long end of 27 is respectively provided with a through hole iii-31 and an arc ii-24, the arc ii-24 has the same radian as the arc i-14, and the upper inner side of the long end of the hanging claw 27 is provided with a projection 23 and the outer side is fixed There is a pull rod 26 with a through hole iv-25, and both sides above the long end of the hanging claw 27 are provided with a rotating shaft i-13; In the narrow notch, the pin 12 passes through the through hole i-30 of the hanger 7 and the through hole iii-31 on the L-shaped hanging claw 27, and the extension spring 10 connects the through hole ii-22 on the support rod 21 with the said The through hole iv-25 on the outer pull rod 26 of the suspension claw 27; the through hole v-32 with a keyway is provided in the middle of the drive plate 4, and the through hole v-32 is a sliding fit gap with the outer circle of the suspension rod 15 and the key structure 16; The two sides of the driving plate 4 are fixed with a driving link 6, and two rotating shafts ii-9 are fixed under the driving link 6, and the two ends of the two small connecting rods 11 are respectively provided with a through hole vi-33 and a through hole vii -34, the through hole vi-33 of the small connecting rod 11 and the rotating shaft i-13 are a sliding fit gap, the through hole vii-34 and the rotating shaft ii-9 are a sliding fitting gap; the middle of the lock block 8 is provided with a through hole viii- 35, the rectangular lock block drive plate 17 with a central hole is fixed to the lock block 8 through a pair of slender rods 18, and a pair of slender rods 18 pass through the two through holes x-38 on the suspension seat 7; The center of the lower recess of the seat 7 is provided with a spring groove 36, and the stage clip 19 is positioned by the T-shaped positioning shaft 20 in the spring groove 36, and the T-shaped positioning shaft 20 passes through the through hole x-38 and is fixedly connected with the suspension seat 7, T Shape positioning shaft 20 below is provided with flange 37, and the diameter of this flange 37 is greater than the diameter of locking block 8 through-holes viii-35, and T-shaped positioning shaft 20 and through hole x-38 are sliding fit gaps; Drive connecting rod 6 has a Yes, there are two pairs of small connecting rods 11, two pairs of rotating shaft i-13 and rotating shaft ii-9 are installed symmetrically on both sides of the drive plate 4 and the hanging seat 7; The rod 15 is fixedly connected; the drive link 6 is fixed on both sides of the drive plate 4 through the screw ii-5; the T-shaped positioning shaft 20 and the suspension seat 7 are threaded. In this case, the fixed plate 3 is fixedly connected with the suspension rod 15 through the screw 2; the driving connecting rod 6 is fixed on both sides of the driving plate 4 through the screw ii-5; the T-shaped positioning shaft 20 and the suspension seat 7 are threaded. .

Accompanying drawing 1 is a schematic diagram of positioning the device on the truss type wreckage 28 and preparing to connect the wreckage after entering the water. The device is in an open state under the action of the tension spring 10 at the beginning, and the manipulator claw 29 squeezes the fixing plate 3 and the driving plate 4 , the driving plate 4 drives the hanging claw 27 through the driving connecting rod 6 and the small connecting rod 11, the hanging claw 27 rotates around the pin 12 relative to the hanging seat 7, the extension spring 10 is extended, and the protrusion 23 above the long end of the hanging claw 27 and the locking block 8-phase extrusion, the lock block 8 squeezes the compression spring 19, and the compression spring 19 moves upward along the compression spring positioning shaft 20. After the suspension claw 27 is completely closed, the lock block 8 is separated from the upper end protrusion 23 of the suspension claw 27, and the compression spring 19 The end in contact with the hanger 7 does not move, the end of the compression spring 19 in contact with the lock block 8 starts to move downward, and the compression spring 19 resumes elongation along the compression spring positioning shaft 20, and the lock block 8 acts on the compression spring 19. Moving downwards, the lock block 8 stops moving after contacting the cylinder 37 at the lower end of the clip spring positioning shaft 20, and the two ends of the lock block 8 contact the protrusion 23 above the long end of the hanging claw 27. At this time, the device completes the pairing of the truss type The lifting point of wreckage 28 is connected to work and reaches self-locking state under the effect of extension spring 10. Accompanying drawing 2 is a schematic diagram of the device completing the lifting point connection operation of the truss type wreckage 28 and reaching the self-locking state and ready to unlock.

When the device is in the self-locking state, the manipulator claw 29 squeezes the fixed plate 2 and the lock block drive plate 17, and the lock block drive plate 17 drives the lock block 8 to move upward through the slender rod 18, and the lock block 8 squeezes the compression spring 19 and Moving upward, the compression spring 19 is compressed, and after the lock block 8 is separated from the protrusion 23 above the long end of the suspension claw 27, the extension spring 10 begins to recover and shorten, and the suspension claw 27 is relatively suspended around the pin 12 under the restoration and shortening of the extension spring 10. Seat 7 rotates and opens, manipulator claw 29 is loosened, compression spring 19 begins to resume elongation, and the end of compression spring 19 that contacts with hanger 7 does not move, and the end that compression spring 19 contacts with lock block 8 begins to move downward , the compression spring 19 is extended along the compression spring positioning shaft 20, after the compression spring 19 recovers to a certain length, when the locking block 8 and the protrusion 23 above the long end of the hanging claw 27 re-contact to restore the opened state of the present invention, the device completes the unlocking function . Accompanying drawing 3 is the schematic diagram of unlocking of the device.

Claims (4)

1. A self-locking and unlocking underwater wreck lifting device is characterized in that: the upper end of the cylindrical boom (1) is provided with a cable connection hole (15), and the upper end of the boom (1) side is A key structure (16) is also fixed, the fixed plate (3) is fixed above the key structure (16) of the suspension rod (1), and the lower end of the suspension rod (1) is fixed to the upper end of the suspension seat (7). connection; the suspension base (7) is an inverted U-shaped structure with crossed notches below, the lower front of the inverted U-shaped structure is a wide notch and the side is a narrow notch, and the two sides of the wide notch The lower ends of the sides are respectively provided with a through hole i (30) and an arc i (14), and the two sides above the suspension seat (7) are fixed with support rods (21) whose ends are provided with a through hole ii (22); The hanger (7) is respectively provided with a through hole x (38) on both sides of the fixing part with the suspender (1); a pair of L-shaped hanging claws (27) are respectively provided with a through hole iii ( 31) with the arc ii (24), the arc ii (24) has the same radian as the arc i (14), the upper inner side of the long end of the hanging claw (27) is provided with a projection (23) and the outer side is fixed with a A pull rod (26) with a through hole iv (25) is provided, and both sides above the long end of the hanging claw (27) are provided with a rotating shaft i (13); above the long end of the pair of L-shaped hanging claws (27) Insert into the narrow notches on both sides of the hanging seat (7), the pin (12) passes through the through hole i (30) of the hanging seat (7) and the through hole iii (31) on the L-shaped hanging claw (27), Extension spring (10) connects the through hole ii (22) on the support bar (21) with the through hole iv (25) on the outside pull bar (26) of the hanging claw (27); There is a through hole v (32) with a keyway, and the through hole v (32) is a sliding fit clearance with the outer circle of the suspender (15) and the key structure (16); the two sides of the drive plate (4) A driving connecting rod (6) is fixed, two rotating shafts ii(9) are fixed under the driving connecting rod (6), two small connecting rods (11) are respectively provided with through holes vi(33) and through holes vii (34), the through hole vi (33) of the small connecting rod (11) and the rotating shaft i (13) are a sliding fit clearance, and the through hole vii (34) and the rotating shaft ii (9) are a sliding fitting clearance; A through hole viii (35) is provided in the middle of the lock block (8), and a rectangular lock block drive plate (17) with a central hole is fixed to the lock block (8) by a pair of slender rods (18). The elongated rod (18) passes through two through holes x (38) on the said suspension seat (7); the center of the lower notch bottom of the said suspension seat (7) is provided with a spring groove (36), and the clip spring (19) is positioned by a T-shaped positioning shaft (20) in the spring groove (36), and the T-shaped positioning shaft (20) passes through the through hole x (38) and is fixedly connected with the suspension seat (7), so Described T-shaped positioning shaft (20) below is provided with flange (37), and the diameter of this flange (37) is greater than the diameter of lock piece (8) through hole viii (35), and described T-shaped positioning shaft (20) and The through hole x(38) is a sliding fit There are two pairs of connecting rods (6) and two pairs of small connecting rods (11), and two pairs of rotating shafts i (13) and rotating shafts ii (9) are installed symmetrically on the driving Both sides of plate (4) and hanging seat (7). 2. The self-locking and unlocking underwater wreck lifting device according to claim 1, characterized in that: the fixing plate (3) is fixedly connected to the boom (15) through screws (2). 3. The underwater wreck lifting device capable of self-locking and unlocking according to claim 1, characterized in that: the drive link (6) is fixed on both sides of the drive plate (4) by screws ii (5) . 4. The self-locking and unlocking underwater wreck lifting device according to claim 1, characterized in that: the T-shaped positioning shaft (20) and the hanger (7) are threaded.