CN110510511B

CN110510511B - Hoisting load rejection device for field operation of ocean scientific investigation equipment

Info

Publication number: CN110510511B
Application number: CN201910624302.9A
Authority: CN
Inventors: 高翔; 任玉刚; 杨磊; 仪章敏; 刘坤; 鲁德泉
Original assignee: National Deep Sea Center
Current assignee: National Deep Sea Center
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2021-02-09
Anticipated expiration: 2039-07-11
Also published as: CN110510511A

Abstract

The invention discloses a hoisting and load rejection device for field operation of marine scientific research equipment, which relates to the technical field of marine operation design, and comprises a body and is characterized in that: the lifting hook is rotatably arranged on the body and used for hanging and releasing a heavy object, and a protrusion is arranged at the free end of the lifting hook; the limiting trigger hook is rotatably arranged on the body, and a clamping groove corresponding to the protrusion is formed in the free end of the limiting trigger hook; the folding plate is rotationally arranged on the body; one end of the reciprocating push rod is rotatably arranged on the body, and the other end of the reciprocating push rod is rotatably arranged with the free end of the folded plate; and one end of the force rod is rotationally connected with the middle part of the folded plate, and the other end of the force rod is rotationally connected with the limiting trigger hook. The invention has the beneficial effects that the mechanical structure design is mainly carried out, the reciprocating type push rod is connected with the limiting trigger hook, the lever principle is formed by combining the reciprocating type push rod, the effect of small force and large force is realized in the vertical direction, and the self-locking effect is realized.

Description

Hoisting load rejection device for field operation of ocean scientific investigation equipment

Technical Field

The invention relates to the technical field of ocean investigation instrument arrangement operation devices, in particular to a hoisting and load rejection device for field operation of ocean scientific investigation equipment.

Background

The marine scientific research investigation instrument is an important means for carrying out oceanic scientific research and investigation detection, and the sensor, the detection equipment and the functional module carried by the instrument enter a preset position in deep sea to directly carry out measurement, analysis, evaluation and detection operations on a seabed site, so that huge scientific samples and data are expected to be obtained, and scientific breakthrough discovery is realized.

The ocean scientific equipment has various types, is mostly special instrument equipment, and usually needs to be laid on site at sea, and due to the difference of sea conditions and ship conditions, the instrument equipment laying and load rejection device is an important system for realizing submergence and floatation of a submersible and is also a necessary system of ocean scientific research equipment.

From the technical level of current marine instrument hoist and mount jettison mechanism, current marine hoist and mount jettison mechanism adopts comparatively simple artifical release, it specifically is on-board folding arm loop wheel machine with instrument hoist and mount, the instrument is connected through a mechanical type releaser with the loop wheel machine, dial out the safety catch when laying, the releaser is in the active condition, its trigger mechanism is connected with a rope, by the elastic rope of special messenger, when the loop wheel machine gyration to appointed sea area, artifical pulling rope, under instrument self action of gravity, trigger the releaser, thereby realize the release. Through practical offshore operation experience, the conventional load rejection device has the potential safety hazard in the laying process (1), and the potential safety hazard of personnel and instruments caused by instrument falling is very easily caused by severe offshore conditions; (2) the laying efficiency is low, a large amount of precious time on the sea is consumed, the requirement on experience of laying personnel is high, and a technical threshold exists; (3) the trigger mechanism has high design precision, brings difficulty to the manufacture process and material selection, has high manufacturing cost, is imported from foreign countries basically at present, and cannot solve the technical problem of the neck clamp.

In view of the above, there is a need for an improved design of a marine instrument hoisting and load rejection mechanism. Aiming at the original traditional problems, an electric remote control type marine instrument arrangement mechanism is developed in the earlier stage by an inventor, the practical application problems of heavy weight, delayed trigger, easy deformation of a stressed hook, difficulty in marine maintenance and the like caused by marine corrosion of a long stroke are found through the practical working performance of a prototype on the sea, and the problems are solved by a trigger power motor.

Disclosure of Invention

The invention aims to solve the difficult problems of high difficulty in arranging heavy instruments such as landers, submerged buoys and buoys on the sea, high arrangement risk, low automation degree, low working efficiency and the like in oceanic department examinations in China, and designs a hoisting and load rejection device for field operation of oceanic scientific investigation equipment.

In order to achieve the above object, the technical solution of the present invention is that a hoisting and load rejection device for field operation of marine scientific research equipment, comprising a body, further comprising: the lifting hook is rotatably arranged on the body and used for hanging and releasing a heavy object, and a protrusion 21 is arranged at the free end of the lifting hook; the limiting trigger hook is rotatably arranged on the body, and a clamping groove 31 corresponding to the bulge 21 is formed in the free end of the limiting trigger hook; the folding plate is rotatably arranged on the body; one end of the reciprocating push rod is rotatably arranged on the body, and the other end of the reciprocating push rod is rotatably arranged with the free end of the folded plate; and one end of the force rod is rotationally connected with the middle part of the folded plate, and the other end of the force rod is rotationally connected with the limiting trigger hook.

The full-rotation lifting hook release action of flexible connection is realized by utilizing the reciprocating type push rod, the mechanism design of flexible connection is adopted, the limit trigger hook is a flexible part which can rotate at any time, the limit trigger hook is connected with the lifting hook, the lifting hook is also a flexible part which can rotate at any time, the diameters of the push reciprocating type push rod, the trigger hook and the release hook are not actively connected mechanically, the displacement is limited through a space limit mode, the movable space released by the limit trigger hook is released after the push reciprocating type push rod is displaced, and the trigger is generated under the conditions of the self gravity of a suspended load weight and a movable rotating shaft.

Furthermore, the folded plate is connected with the force rod through a pin shaft, and when the lifting hook is clamped in the limiting trigger hook, the limiting trigger hook is abutted against the pin shaft.

Further, the fixed side of the clamping groove is lower than the power side. The function is not only convenient for separating the bulge from the clamping groove, but also limiting the bulge to move only in the direction with small height

Furthermore, the fixed side of the clamping groove is gradually widened from outside to inside. Plays a certain limiting role to prevent the protrusion from accidentally unhooking from the clamping groove

Furthermore, the free end of the folded plate is provided with a straight notch, the end part of the reciprocating type push rod is provided with a rotating rod, and the rotating rod is arranged in the straight notch.

Furthermore, the reciprocating push rod is driven and controlled by a precise linear motor.

Furthermore, a lifting hook is arranged above the body.

The invention has the beneficial effects that: firstly, the method comprises the following steps: the integral structure of the traditional marine scientific investigation instrument field investigation hoisting release device is changed, the traditional backward manual release realizes the automatic operation mode of infrared remote control and electromechanical integrated control release, the field distribution efficiency is improved, the unmanned operation is basically realized, and the operation safety of marine personnel is ensured. Secondly, the method comprises the following steps: in order to ensure the flexible operation of the reciprocating push rod, a folded plate structure part is designed, the broken line principle is utilized to realize mechanical self-locking when the push rod is retracted and realize the lever principle when the push rod is pushed out, the displacement of the limiting trigger hook can be effectively limited, and the stability of the whole device is kept; thirdly, the method comprises the following steps: the lifting hook at the neck part enables the whole device to be easier to transport and load, and also enables the separation and load rejection processes to be simpler, more convenient and more efficient.

Drawings

FIG. 1 is a schematic view of the overall structure of the hoisting load rejection mechanism of the present application;

FIG. 2 is a schematic structural diagram of the hoisting and load rejection mechanism of the present application, without a housing;

FIG. 3 is a schematic front view of the structure of FIG. 2;

FIG. 4 is a front view of the structure of FIG. 2, with the outer flaps omitted;

FIG. 5 is a schematic view of the release state of the hoisting load rejection mechanism;

fig. 6 is a schematic structural view of a limit trigger hook.

In the above figures, 1, main body; 2. a hook; 21. a protrusion; 3. a limiting trigger hook; 4. folding the plate; 41. a straight notch; 42. a pin shaft; 5. a reciprocating push rod; 51. a rotating rod; 6. a force rod; 7. lifting a hook; 8. a housing.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:

a lifting and load rejection device for field operation of marine scientific investigation equipment is shown in figures 1 to 6 and comprises a body 1, a lifting hook 2, a limiting trigger hook 3, a folded plate 4, a reciprocating push rod 5 and a force rod 6.

The hook 2 is rotatably provided on the body 1 by a rotation pin for hanging and releasing a heavy object. The limiting trigger hook 3 is rotatably arranged on the body 1 through a rotating pin.

The free end of the lifting hook 2 is provided with a bulge 21, and the free end of the limiting trigger hook 3 is provided with a clamping groove 31 corresponding to the bulge 21. The clamping groove 31 of the limiting trigger hook 3 can limit the downward rotation of the hook 2 during the use process of the hook, so that a heavy object hung on the hook 2 is released. Preferably, the fixed side of the slot 31 is lower than the power side. I.e. the left lower end of the catch 31 in fig. 3 and 4 is shorter than the right lower end, which facilitates the release of the hook 2, the right lower end being able to push the hook 2 forward when releasing the hook 2. The outside of the slot 31 is gradually widened from outside to inside, that is, the left lower end of the slot 31 in fig. 3 and 4 is inclined from bottom to top to the left side, so that a certain limiting effect is achieved, and the protrusion 21 is prevented from being accidentally unhooked from the slot 31

The flap 4 is rotatably provided on the body 1 by a pivot pin. One end of the reciprocating push rod 5 is rotatably arranged on the body 1, and the other end of the reciprocating push rod 5 is rotatably arranged with the free end of the folded plate 4. When the reciprocating push rod 5 is extended or contracted in a reciprocating way, the flap 4 rotates around the body 1 in a reciprocating way. The reciprocating push rod 5 can be a hydraulic cylinder or a telescopic cylinder. The free end of the folded plate 4 is provided with a straight notch 41, the end part of the reciprocating push rod 5 is provided with a rotating rod 51, the rotating rod 51 is arranged in the straight notch 4141, and the straight notch 41 can reduce the blocking force of the compound push rod 5 when the reciprocating push rod 5 and the folded plate 4 move mutually.

One end of the force rod 6 is rotationally connected with the middle part of the folded plate 4 through a pin shaft 42, and the other end of the force rod 6 is rotationally connected with the limiting trigger hook 3. When the folded plate 4 rotates, the limiting trigger hook 3 is driven to rotate, so that the release of the lifting hook 2 is controlled. Preferably, when the hook 2 is blocked in the limit trigger hook 3, the limit trigger hook 3 abuts against the pin 42, and the structure has the advantages that: if reciprocating type push rod 5 became invalid, lifting hook 2, spacing trigger hook 3, folded plate 4 and power pole 6 can form auto-lock structure, prevent that lifting hook 2 from rocking and being opened. The second step is as follows: the pin 42 can reduce the probability that the hook 2 is opened from the limit trigger hook 3, because when the hook 2 is locked by the limit trigger hook 3, the folded plate 4 and the reciprocating push rod 5 jointly limit the position of the pin 42, that is, the stability of the hook 2 fixed at a certain position is improved.

Whole body 1316L stainless steel processing forms, and wherein lifting hook 2 and spacing trigger hook 3 adopt titanium alloy material processing to form, possess 2 ~ 5T hoist and mount unhook ability. The lifting hook 7 is arranged above the body 1 and connected with the offshore crane. A lithium battery power supply with 12V and 4.4AH is placed on the left side of the top of the hoisting and load rejection mechanism, and is mainly used for providing energy supply for the actuating mechanism. The control remote control board mainly plays a role of controlling the power supply by the infrared remote controller, and the infrared remote controller generates an action signal to control the on-off of the power supply through the control board in the marine operation process.

The working process is as follows:

the assembly of the device is completed one day before the device is arranged, whether the actions of the devices such as the execution motor and the like are normal or not is checked, whether the power supply and the controller are normal or not is checked, whether the movement of each mechanism is normal or not is checked, and the problem of blocking is avoided.

Before the cloth is laid, the lifting hook 7 is connected with the marine crane by a U-shaped ring, and the safety is ensured; and starting a power supply, controlling the push rod motor to act through the wireless controller, and connecting the marine instrument equipment to be laid to the lifting hook through a cable.

In the distribution process, the crane starts to work, the hoisting is started to be improved, the marine equipment is hoisted to the position 1-2 meters above the water surface (according to the sea condition), after the preparation is proper, the lifting hook 2 is embedded in the limiting trigger hook 3, and the lifting hook 2 is ensured to be in a closed state at all times through mechanical self-locking in a normal position; when the infrared remote controller is operated, the reciprocating push rod 5 starts to linearly move, when the reciprocating push rod 5 linearly moves up and down to trigger the limiting trigger hook 3, the lifting hook 2 moves along with the reciprocating push rod, and meanwhile, the release is realized under the action of the gravity of a heavy object.

The hoisting load rejection mechanism adopts a remote control triggering mode, so that the danger and failure rate caused by manual triggering are relieved, and the personal safety is ensured; the device can ensure the safety in the operation process through mechanical self-locking; meanwhile, the whole device is assembled in a universal and modularized manner, can be assembled and disassembled at will on the sea, can smoothly complete the work under the complex and severe environment on the sea, can realize mass processing, and has the advantages of simple manufacture, low production cost, simple and convenient installation, high efficiency, safety and reliability.

The invention has been described above with reference to a preferred embodiment, but the scope of protection of the invention is not limited thereto, and various modifications can be made and equivalents can be substituted for elements thereof without departing from the scope of the invention, and features mentioned in the various embodiments can be combined in any way as long as there is no structural conflict, and any reference sign in the claims should not be construed as limiting the claim concerned, from which the embodiment is to be regarded as being exemplary and non-limiting in any way. Therefore, all technical solutions that fall within the scope of the claims are within the scope of the present invention.

Claims

1. The utility model provides a hoist and mount jettison device for ocean scientific investigation equipment field operation, includes body (1), its characterized in that still includes: the lifting hook (2) is rotatably arranged on the body (1) and used for hanging and releasing a heavy object, and a protrusion (21) is arranged at the free end of the lifting hook (2); the limiting trigger hook (3) is rotatably arranged on the body (1), and a clamping groove (31) corresponding to the protrusion (21) is formed in the free end of the limiting trigger hook (3); a folded plate (4), wherein the folded plate (4) is rotatably arranged on the body (1); one end of the reciprocating push rod (5) is rotatably arranged on the body (1), and the other end of the reciprocating push rod (5) is rotatably arranged with the free end of the folded plate (4); one end of the force rod (6) is rotationally connected with the middle part of the folded plate (4), and the other end of the force rod (6) is rotationally connected with the limiting trigger hook (3); the folded plate (4) is connected with the force rod (6) through a pin shaft (42), and when the protrusion (21) of the lifting hook (2) is clamped in the clamping groove (31) of the limiting trigger hook (3), the limiting trigger hook (3) is abutted to the pin shaft (42).

2. The hoisting and load rejection device for on-site operation of marine scientific equipment as claimed in claim 1, wherein the fixed side of said slot (31) is lower than the power side.

3. The hoisting and load rejection device for on-site operation of marine scientific equipment as claimed in claim 1, wherein the fixed side of said slot (31) is gradually wider from outside to inside.

4. The hoisting and load rejection device for on-site marine scientific equipment as claimed in claim 1, wherein the free end of said flap (4) is provided with a straight slot (41), the end of said reciprocating push rod (5) is provided with a rotating rod (51), said rotating rod (51) is disposed in the straight slot (41).

5. The hoisting and load rejection device for on-site operation of marine scientific equipment as claimed in claim 1, wherein said reciprocating push rod (5) is driven and controlled by a precision linear motor.

6. The hoisting and load rejection device for the field work of marine scientific equipment as claimed in claim 1, wherein a lifting hook (7) is arranged above the body (1).