CN112429173A

CN112429173A - Heavy underwater fishing device

Info

Publication number: CN112429173A
Application number: CN202011366014.7A
Authority: CN
Inventors: 万非; 邓玉聪; 杨帆; 纪炜; 杨勇; 李洪佳
Original assignee: No 750 Test Field of China Shipbuilding Industry Corp
Current assignee: No 750 Test Field of China Shipbuilding Industry Corp
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2021-03-02

Abstract

The application provides a heavy aquatic fishing device, the crane on the salvage ship is connected to the grab bucket through salvage rope, wherein, the grab bucket includes: the hydraulic mechanism is used for adjusting the closing degree of the bucket-shaped jaws; the two bucket-shaped jaw plates are symmetrically distributed on the base in a mutually crossed mode, and each bucket-shaped jaw plate is movably arranged on the base in a rotating shaft mode at the position where the gravity center is deviated to the bucket tooth end under a normal state, so that the two grab buckets are hinged to the bucket tooth end under the gravity center under the normal state; the end of the fishing rope is forked and connected to one end, far away from the bucket teeth, of each bucket-shaped jaw plate; the hydraulic mechanisms are respectively arranged on two sides of the base, one end of each hydraulic mechanism is hinged to the base, and the other end of each hydraulic mechanism is hinged to one end, far away from the bucket teeth, of the bucket-shaped jaw plate; the clamping force of the grab bucket is derived from the gravity of the grab bucket and the fishing object, so that the energy consumption is reduced, the time and the labor are saved, the fishing efficiency is high, and the grab bucket has good stability.

Description

Heavy underwater fishing device

Technical Field

The application relates to a fishing device, concretely relates to heavy underwater fishing device.

Background

In various development stages of aquatic products, sinking events of the products often occur for various reasons. In order to achieve the purposes of analyzing reasons, improving and perfecting products, shortening test period and reducing test cost, the submerged products must be salvaged and recovered to the maximum extent. Therefore, the submerged products need to be salvaged and recovered, so that the completion of the product development task is effectively guaranteed.

At present, the sinking products are mainly salvaged and recovered in two modes, and the first mode is that a diver needs to enter water to salvage and salvage by using a salvage device. Because there is certain danger in salvaging under water, can't guarantee diver's safety, and diver's intensity of labour under water is big and physical power is limited, and the operating efficiency is lower. The other type is to salvage by utilizing a salvage device, the salvage devices corresponding to salvaged objects with different shapes are needed, and the weight and the size of the salvaged objects are limited to a certain extent. In addition, the conventional fishing device takes a long time and labor to install when arriving at the site, resulting in low fishing efficiency. For the heavy salvage objects with diversified shapes, the two salvage modes are difficult to salvage and recover, and the technical problem of salvage and recovery of heavy sinking products is always solved.

Disclosure of Invention

To above-mentioned problem, the inventor provides one kind and acts as heavy underwater fishing device of clamping-force by grab bucket self gravity, simple to operate, and fishing stability is good, is applicable to the salvage under different salvage thing and the different depth of water environment, can accomplish the salvage task fast.

Specifically, the present application is implemented as follows:

a heavy underwater fishing device, the device comprising: a salvage vessel and a hoist disposed on the salvage vessel, the hoist connected to a grapple by a salvage rope, the grapple comprising: the hydraulic mechanism is used for adjusting the closing degree of the bucket-shaped jaws;

wherein: the two bucket-shaped jaw plates are symmetrically distributed on the base in a mutually crossed mode, and each bucket-shaped jaw plate is movably arranged on the base in a rotating shaft mode at a position where the gravity center is deviated to the bucket tooth end under a normal state, so that the two bucket-shaped jaw plates are hinged to the bucket tooth end under the gravity center under the normal state;

the fishing rope is branched at the end and is respectively connected to the tops of the two bucket-shaped jaws;

the hydraulic mechanism is respectively arranged on two sides of the base, one end of the hydraulic mechanism is hinged on the base, and the other end of the hydraulic mechanism is hinged on the top of the bucket-shaped jaw plate.

Furthermore, the two bucket-shaped jaws are equal in size and are symmetrically and crossly arranged at two symmetrical ends of the middle part of the base through rotating pin shafts in a mutual dislocation mode.

Further, each bucket jaw includes: the two grapples are respectively arranged on two sides of the base and are symmetrically arranged at two ends of the rotating pin shaft, the top parts of the grapples are connected through a fixed pin shaft, and the middle part of the fixed pin shaft is connected with the fishing rope.

Further, the hydraulic mechanism includes: and the other end of the hydraulic rod is hinged with the base.

Further, the crane is connected to through the umbilical cable grab bucket, the base middle part is provided with the installing support, be provided with the sonar on the installing support, the base both ends are provided with many crossbeams and a plurality of camera, the camera sets up on the crossbeam, the umbilical cable with sonar, camera coupling are connected.

Further, the sonar comprises a first sonar and a second sonar, the first sonar is arranged at the top end of the mounting bracket, and the second sonar is arranged at the bottom end of the mounting bracket.

Furthermore, a limiting groove is formed in the fixed pin shaft, and the fishing rope is fixed in the limiting groove.

Further, the base is arch bridge shape, the rotation round pin axle is installed respectively at the both ends department at arch bridge position.

Furthermore, at least one pair of centrosymmetric propellers is arranged at two ends of the base, and the propellers are coupled with the umbilical cable and used for adjusting the position of the grab bucket in water.

The working principle of the application introduces:

firstly, adjusting the position of a salvage ship according to the coordinates of a salvage target, adjusting the posture of a grab bucket after the position is in place, aligning the grab port of the grab bucket with the salvage target, then putting down the grab bucket, simultaneously, enabling a hydraulic mechanism to be in a locking state, providing tension for the grab bucket, enabling the grab bucket to be kept in an opening state, enabling the hydraulic mechanism to work to provide supporting force when the grab bucket is ready to perform clamping operation, and enabling the grab bucket to be closed to hold the salvage target under the influence of the gravity of the grab bucket. When the holding distance of the grab bucket exceeds the radius of the salvaged object, the hydraulic mechanism stops working, and the hydraulic mechanism is gradually stretched along with the closing of the grab bucket. After the fishing is carried out on the ship, the hydraulic mechanism contracts, so that the grab bucket is opened, the salvage objects are loosened, and the fishing work is completed.

Compared with the prior art, the beneficial effects of the application are that:

(1) the fishing device is good in fishing stability, suitable for fishing under different salvage objects and different water depth environments, capable of quickly completing fishing tasks, time-saving, labor-saving, high in fishing efficiency and capable of effectively guaranteeing personal safety of fishing personnel.

(2) The clamping force of the grab bucket is derived from the gravity of the grab bucket and the salvaged objects, the clamping function is realized without additional equipment, the objects with heavy weight and large size under water can be salvaged, the complexity of the equipment is greatly reduced, and the energy consumption is reduced.

(3) After the holding distance of the bucket-shaped jaw plate exceeds the radius of the salvaged object, the hydraulic mechanism stops working, and energy can be saved.

(4) The base is arranged, a place is provided for installing each part, the installation is simple and rapid, and meanwhile, the grab bucket can meet the requirements of strength and rigidity of underwater salvage operation.

Drawings

FIG. 1 is a view illustrating a state of use of the heavy underwater fishing device provided in the present application;

FIG. 2 is a schematic view of the grab bucket provided herein when open;

FIG. 3 is a schematic view of the closed grab bucket configuration provided herein;

fig. 4 is a schematic view of a first sonar observation range;

fig. 5 is a schematic diagram of a second sonar observation range.

Reference numerals:

1-salvage ship; 2, a crane; 21-fishing a rope; 22-an umbilical; 3-fishing the object; 4-grab bucket; 41-bucket-shaped jaw plates; 411-grapple; 42-a base; 421-rotating the pin shaft; 422-mounting a bracket; 423-first sonar; 424-second sonar; 425-a beam; 426-a camera; 427-a propeller; 43-fixing the pin shaft; 431-a limiting groove; 44-hydraulic lever.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Example 1:

the application provides a heavy underwater fishing device, can salvage the thing under water fast, and salvage stability is good, is applicable to the salvage under different salvage thing and the different depth of water environment, can accomplish the salvage task fast, and labour saving and time saving salvages efficiently, can effectively ensure salvage personnel's personal safety. Specifically, as shown in fig. 1 to 3, the fishing device includes: the fishing vessel 1, the crane 2 arranged on the fishing vessel 1, the umbilical cable 22 and a control system, wherein the control system is a conventional fishing control system and is used for controlling related equipment for underwater fishing, and details are not repeated here. The crane 2 is connected to the grab 4 by a fishing line 21, an umbilical 22. The umbilical 22 is coupled to the grapple 4 to provide power to the electronics of the grapple 4 and also to transmit control signals from the fishing control system to the corresponding electronics. The grab bucket 4 includes: a pair of bucket-shaped jaws 41, a base 42 serving as a carrier of the bucket-shaped jaws 41, and a hydraulic mechanism for adjusting the closing degree of the bucket-shaped jaws 41. Wherein: the two bucket-shaped jaws 41 are equally large and are symmetrically and alternately arranged at two symmetrical ends of the middle of the base 42 through the rotating pin 421 in a mutual dislocation mode, and each bucket-shaped jaw 41 is movably arranged on the base 42 in a rotating shaft mode at the position where the gravity center is deviated to the bucket tooth end under a normal state, so that the two bucket-shaped jaws 41 are hinged to the bucket tooth end under the gravity center under the normal state. Make the device can utilize the self gravity of grab bucket 4 and salvage 3 to carry out the centre gripping to salvage 3, salvage 3 difficult slippage, have good centre gripping effect, work efficiency is high to, can salvage great heavy, the diversified salvage 3 of shape. Specifically, each bucket jaw 41 includes: two are located base 42 both sides respectively and install in the grapple 411 that the symmetry set up in rotation round pin shaft 421 both ends to pass through fixed pin 43 at the top and connect, fixed pin 43 middle part is provided with spacing groove 431, salvage rope 21 and divide in the end punishment branch and be connected to fixed pin 43 respectively, and arrange limiting groove 431 in, salvage rope 21 takes place to slide when can avoiding salvage the operation, produces the incident. The base 42 is arch-bridge shaped, which can improve the stability, and enlarge the containing space formed by the two bucket-shaped jaws 41, which is convenient for the fishing of large objects. The rotating pin shafts 421 are respectively installed at two ends of the arch bridge, and the base 42 is provided with a plurality of cross beams 425, so that the base 42 has good strength and can meet the requirement of salvaging heavy objects.

The hydraulic mechanisms are respectively arranged at two sides of the base 42, one end of each hydraulic mechanism is hinged on the base 42, and the other end of each hydraulic mechanism is hinged on the top of the bucket-shaped jaw plate 41. The hydraulic mechanism includes: a hydraulic rod 44 fixed to the top of each grapple 411, the other end of the hydraulic rod 44 being hinged to the base 42. When the fishing operation starts, the hydraulic rod 44 is in a locked state, and provides a pulling force for each grapple 411 to keep the grapple in an open state; when the grapple 4 is ready to perform a gripping operation, the hydraulic lever 44 is operated to provide support for the grapple 411, while at the same time causing the two bucket jaws 41 to close, under the influence of the self-weight of the grapple 4, to grip the fishing object 3. When the holding distance of the two bucket jaws 41 exceeds the radius of the fishing object 3 (i.e. after the two bucket jaws 41 bite the fishing object 3 and do not slip), the hydraulic rod 44 stops working, and at this time, the hydraulic rod 44 is gradually stretched along with the movement of the grapple 411. The follow-up state of the hydraulic rod 44 can reduce energy consumption in the fishing process and effectively save energy.

Further, as shown in fig. 4-5, a mounting bracket 422 is arranged in the middle of the base 42, a first sonar 423 is arranged on the top end of the mounting bracket 422, and the first sonar 423 can detect the target in the circumferential range; the bottom end of the mounting bracket 422 is provided with a second sonar 424, and the second sonar 424 can detect an object in a vertical range. The first sonar 423 and the second sonar 424 are used in cooperation, so that the observation range is greatly improved, and large-range search can be performed. The crossbeam 425 is provided with the camera 426, and a plurality of cameras 426 can meet the requirement of multi-angle and large-range visual observation. The first sonar 423, the second sonar 424 and the camera 426 are used in cooperation, so that the salvage 3 can be quickly searched, relevant information (such as external shape, coordinates and the like) of the salvage 3 can be provided, and the salvage efficiency can be improved.

Further, two pairs of centrosymmetric thrusters 427 are arranged at two ends of the base 42, so that the position of the grab bucket 4 can be finely adjusted in water, and the bucket-shaped jaw 41 can grab the salvage 3 conveniently.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

1. A heavy underwater fishing device, comprising: salvage ship and setting up the crane on the salvage ship, the crane is connected to the grab bucket through the salvage rope, its characterized in that, the grab bucket includes: the hydraulic mechanism is used for adjusting the closing degree of the bucket-shaped jaws;

2. The underwater fishing device for heavy objects as claimed in claim 1, wherein the two bucket-shaped jaws are equally large and are respectively installed at the symmetrical ends of the middle part of the base through rotating pins in a staggered manner and symmetrically crossed.

3. A heavy object underwater fishing device as claimed in claim 2, wherein each bucket jaw comprises: the two grapples are respectively arranged on two sides of the base and are symmetrically arranged at two ends of the rotating pin shaft, the top parts of the grapples are connected through a fixed pin shaft, and the middle part of the fixed pin shaft is connected with the fishing rope.

4. A heavy object underwater fishing device as claimed in claim 3, wherein the hydraulic mechanism comprises: and the other end of the hydraulic rod is hinged with the base.

5. The heavy underwater fishing device of claim 1, wherein the crane is connected to the grab bucket through an umbilical cable, a mounting bracket is arranged in the middle of the base, a sonar is arranged on the mounting bracket, a plurality of beams and a plurality of cameras are arranged at two ends of the base, the cameras are arranged on the beams, and the umbilical cable is coupled with the sonar and the cameras.

6. A heavy object underwater fishing device as claimed in claim 5, wherein the sonar includes a first sonar disposed at the top end of the mounting bracket and a second sonar disposed at the bottom end of the mounting bracket.

7. A heavy object underwater fishing device as claimed in claim 3, wherein the fixing pin is provided with a limiting groove, and the fishing rope is fixed in the limiting groove.

8. A heavy object underwater fishing device as claimed in claim 2, wherein the base is in the shape of an arch bridge, and the rotating pins are respectively installed at both ends of the arch bridge.

9. A heavy underwater fishing device as claimed in claim 5, wherein at least one pair of centrosymmetric thrusters is provided at each end of the base, and the thrusters are coupled to the umbilical cable for adjusting the position of the grapple in the water.