CN216689417U - A retractable flexible precise delivery device - Google Patents

Abstract

The utility model provides a telescopic flexible accurate throwing device. The telescopic flexible accurate throwing device comprises a throwing sleeve, a fixed base, a movable base with a throwing opening, a conveying assembly and a lifting assembly, wherein the movable base is movably arranged on the fixed base; the conveying assembly is arranged on the movable base; the lifting assembly is arranged at the throwing port of the movable base; the throwing sleeves are sequentially sleeved through the lifting assembly to form a gravel throwing channel. The utility model has the advantages of accurate and effective throwing of the broken stones, high throwing efficiency, cost saving and the like.

Description

A retractable flexible precise delivery device

technical field

The utility model relates to the field of crushed stone throwing, in particular to a retractable and flexible precise throwing device.

Background technique

With the continuous development of shallow offshore oilfields, submarine umbilicals and cables have become important development facilities. Due to the complex marine dynamics, shallow engineering geology, and submarine dynamic geomorphology conditions in the shallow sea area, under the repeated erosion of waves and currents, the seabed will The complex changes in the soft foundation have caused a large number of submarine pipelines and submarine umbilicals to appear suspended near the bottom, which can easily lead to fatigue fractures of submarine pipelines and submarine umbilicals.

In view of the hidden safety hazards of submarine pipelines, at present, the hidden dangers are usually treated by backfilling, cementing or releasing aquatic plants after backfilling, and pile support, but no matter which method, backfilling is an indispensable method. For backfilling construction, the existing backfilling mode usually adopts the method of "manual throwing and secondary finishing by divers", which does not meet the safety construction requirements, and the backfilling efficiency is low, and the amount and effectiveness of backfilling cannot be controlled.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and to provide a retractable, flexible and precise throwing device that accurately and effectively throws gravel, has high throwing efficiency and saves costs.

In order to solve the above-mentioned technical problems, the technical scheme proposed by the present utility model is:

A retractable and flexible precise throwing device, comprising a throwing sleeve, a fixed base with a fixed setting, a movable base with a throwing port, a conveying component for transporting the throwing jacket to the throwing port, and lowering or lowering the throwing jacket at the throwing port. The recovered lifting assembly, wherein the movable base is movably installed on the fixed base; the conveying assembly is set on the movable base; the lifting assembly is set at the position of the throwing port of the movable base; The throwing sleeves are successively connected by the lifting components to form a gravel throwing channel.

As a further improvement of the above technical solution:

The lifting assembly includes two sets of electric hoists, and the two sets of the electric hoists are symmetrically arranged above the throwing port; the electric hoists include a lifting chain; each of the throwing sleeves is located between the two sets of the electric hoists, and fixed on the lifting chain according to a preset distance.

The lifting assembly further includes two sets of winches, and the two sets of winches are symmetrically arranged on both sides of the throwing port; when the first set of the throwing sleeve is lowered, the throwing set is located between the two sets of the winches , and are respectively fixed on the hinge rope of the winch and the lifting chain.

The outer side of the throwing sleeve is provided with two buckles, and the two buckles are connected with the lifting chain of the electric crane or the hinge rope of the winch.

The throwing sleeve is an inverted conical throwing casing, and the outer circumference of the inverted conical throwing casing is provided with a ring-shaped limiting convex portion for controlling the nesting distance of adjacent throwing casings when the throwing casing is not effectively fixed to the lifting chain.

The conveying assembly includes a conveying belt for conveying the throwing sleeve or gravel to the throwing port; the conveying belt is arranged along the length direction of the movable base, and the throwing port is located at the end of the conveying belt.

The conveying assembly further includes a hoisting part for conveying the throwing sleeve to the throwing port, the hoisting part comprises a hoisting bracket and a hoist, the hoisting bracket is arranged along the length direction of the movable base, and the hoisting It is axially movably mounted on the cross bar of the row hanger bracket.

The conveying assembly further includes a hoist for hoisting the throwing sleeve to the conveyor belt or the hoisting component, and the hoist is arranged at one end of the movable base away from the throwing port.

The fixed base is a frame-shaped base, the movable base is a sliding base arranged in the frame-shaped base, and a driving sliding base is arranged between the sliding base and the frame-shaped base to move along the length direction of the frame-shaped base. translation drive.

Compared with the prior art, the advantages of the present utility model are:

The utility model moves the throwing port to the preset target position through the movable base, and transports the throwing sleeve to the position of the throwing port through the conveying component and the lifting component, and lowers the throwing port by a preset distance, so that multiple The gravel throwing channel is formed when the sleeve is put in, which effectively ensures that the gravel is accurately and effectively put into the preset position, and the gravel throwing efficiency is high, which effectively saves labor costs. That is to say, the utility model satisfies the requirement of high-efficiency and accurate throwing and filling of gravel and backfilling and burying, so that the suspended pipeline has a good pressure bearing capacity, and can be effectively applied to the submarine suspended bare pipeline with a water depth range of 10-50 m, and avoids the phenomenon of fatigue fracture of the suspended pipeline. occur.

Description of drawings

Hereinafter, the present invention will be described in more detail based on embodiments and with reference to the accompanying drawings. in:

FIG. 1 is a schematic three-dimensional structure diagram of the retractable and flexible precise delivery device of the present invention.

FIG. 2 is another three-dimensional structural schematic diagram of the retractable and flexible precise delivery device of the present invention.

FIG. 3 is a front view of the retractable and flexible precise delivery device of the present invention.

FIG. 4 is a left side view of the retractable and flexible precise delivery device of the present invention.

FIG. 5 is a top view of the retractable and flexible precision delivery device of the present invention.

FIG. 6 is a schematic three-dimensional structure diagram of the delivery sleeve of the present invention.

The symbols in the figure represent:

1. Throwing sleeve; 11. Buckle; 2. Fixed base; 3. Movable base; 31. Throwing port; 4. Conveying component; 41. Conveyor belt; 42. Hanging bracket; 43. Hanging; 44. Hanging 5. Lifting components; 51. Electric crane; 52. Winch; 53. Mounting frame; 6. Gravel throwing channel; 7. Translation drive.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments, but the protection scope of the present utility model is not limited thereby.

Figures 1 to 5 show an embodiment of the retractable and flexible precise delivery device of the present invention, which is applied to a subsea suspended exposed pipeline, and can also be applied to other occasions where there is a demand for gravel delivery. In this embodiment, the retractable and flexible precise delivery device includes a delivery sleeve 1 , a fixed base 2 , a movable base 3 , a conveying component 4 and a lifting component 5 . Among them, the fixed base 2 is fixedly arranged on the hull; the movable base 3 is provided with a casting port 31, and the movable base 3 can be movably installed on the fixed base 2 to move the casting port 31 to the target pipeline position at sea; the conveying component 4 Set on the movable base 3, it is used to transport the throwing sleeve 1 to the position of the throwing port 31; the lifting assembly 5 is arranged at the position of the casting port 31 of the movable base 3, and is used to lower the throwing sleeve 1 located at the position of the throwing port 31. Or recycling; the throwing sleeves 1 are successively connected through the lifting assembly 5 to form the gravel throwing channel 6 . The overall structure is simple and the layout is compact.

The utility model moves the casting port 31 to the preset target position through the movable base 3 , and transports the throwing sleeve 1 to the position of the casting port 31 through the conveying component 4 and the lifting component 5 , and lowers the casting port 31 to the preset target position. The distance makes it possible to form a gravel throwing channel 6 when the multiple throwing sets 1 are lowered, which effectively ensures that the gravel is accurately and effectively delivered to the preset position, and the gravel throwing efficiency is high, which effectively saves labor costs. That is to say, the utility model satisfies the requirement of high-efficiency and accurate throwing and filling of gravel and backfilling and burying, so that the suspended pipeline has a good pressure bearing capacity, and can be effectively applied to the submarine suspended exposed pipeline with a water depth range of 10-50 m, avoiding the phenomenon of fatigue fracture of the suspended pipeline. occur.

Further, the lifting assembly 5 includes two sets of electric cranes 51 , and the two sets of electric cranes 51 are symmetrically arranged above the throwing port 31 ; the electric cranes 51 include a lifting chain. Each throwing sleeve 1 conveyed to the position of the throwing port 31 is located between the two sets of electric cranes 51 , and each throwing sleeve 1 is fixed on the lifting chain according to a preset distance. It enables the throwing sleeves 1 to be connected to each other at a preset distance to form a gravel throwing channel 6; at the same time, the utility model can set the required number of throwing sleeves 1 in advance according to the water depth of the target pipeline position before throwing the gravel, In order to adapt to the delivery requirements of target pipelines located in different water depths.

In this embodiment, the lifting assembly 5 further includes a mounting frame 53 . The mounting frame 53 is set at the position of the throwing port 31 of the movable base 3 , and the electric crane 51 is installed on the upper part of the mounting frame 53 , so that the electric crane 51 can be installed reliably and ensure the safe operation of the gravel throwing operation.

Furthermore, the lifting assembly 5 also includes two sets of winches 52 , and the two sets of winches 52 are symmetrically arranged on both sides of the throwing port 31 . When the first release sleeve 1 is lowered, the first release sleeve 1 is located between the two sets of winches 52, and the first release sleeve 1 is respectively fixed on the hinge rope and the lifting chain of the winch 52. The first release sleeve 1 The predetermined distance is lowered by the winch 52 . The setting of the winch 52 ensures that the throwing sleeve 1 at the bottom end of the gravel throwing channel 6 has sufficient load-bearing capacity, and the lifting chain is fixed to the first throwing sleeve 1 so that each throwing sleeve 1 can be lowered at a preset distance, so as to reduce the load. Guarantee the delivery demand of target pipelines with different water depths.

As shown in FIG. 6 , two buckles 11 are provided on the outer side of the release sleeve 1 . The two buckles 11 are conveniently connected with the lifting chain of the electric crane 51 or the hinge rope of the winch 52, so as to facilitate the fixing and reliable lowering of the throwing sleeve 1; at the same time, it is convenient that the throwing sleeve 1 can be quickly disassembled when the throwing is completed and recovered.

Further, the throwing sleeve 1 is an inverted conical throwing casing, and the outer circumference of the inverted conical throwing casing is provided with an annular limiting convex portion. It plays the role of controlling the spacing between the adjacent launching sleeves 1 when the launching sleeve 1 is not effectively fixed on the lifting chain, so as to further improve the safety of the launching operation.

In this embodiment, the conveying assembly 4 includes a conveying belt 41 . The conveyor belt 41 is arranged along the length direction of the movable base 3, and the throwing port 31 is located at the end of the conveyor belt 41 for conveying the throwing sleeve 1 or gravel to the position of the throwing port 31.

Further, the conveying assembly 4 also includes a hoisting component, and the hoisting component includes a hoisting bracket 42 and a hoisting 43. The line hanger 42 is arranged along the length direction of the movable base 3 , and the line hanger 43 is axially movably installed on the horizontal bar of the line hanger support 42 for conveying the throwing sleeve 1 to the position of the throwing port 31 .

As shown in FIGS. 1 to 3 , the conveying assembly 4 also includes a hoist 44 . The crane 44 is arranged at one end of the movable base 3 away from the throwing port 31 to facilitate lifting the throwing sleeve 1 on the hull to the conveyor belt 41 or the position of the hoisting component.

As shown in FIG. 5 , the fixed base 2 is a frame-shaped base; the movable base 3 is a sliding base, and the sliding base is arranged in the frame-shaped base, which has a simple structure and a compact layout. At the same time, a translation drive member 7 is arranged between the sliding base and the frame-shaped base to drive the sliding base to move along the length of the frame-shaped base to ensure that the throwing port 31 of the movable base 3 moves to the target pipeline position at sea.

The method for using the above-mentioned retractable and flexible precise delivery device of this embodiment includes the following steps:

1) Move the movable base 3, and move the throwing port 31 of the movable base 3 to the top of the preset target position;

2) transporting the throwing sleeve 1 to the position of the casting port 31 through the conveying assembly 4, and then lowering the throwing sleeve 1 at the position of the casting port 31 from the casting port 31 by a preset distance through the lifting assembly 5;

3) Repeat step 2) until the gravel throwing channel 6 reaches the preset height requirement;

4) The crushed stone is transported to the position of the casting port 31 through the conveying assembly 4, and is thrown to the preset target position through the crushed stone casting channel 6.

The use method of the retractable and flexible precise injection device of the present invention also has the above-mentioned advantages of the retractable and flexible precise injection device of the present embodiment, and the operation is convenient and the efficiency is high.

While the invention has been described with reference to the preferred embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (9)

1. A retractable, flexible and precise throwing device is characterized in that, comprising a throwing sleeve, a fixed base fixedly arranged, a movable base with a throwing port, a conveying assembly that transports the throwing sleeve to the throwing port, and a transport assembly that will be positioned at the throwing port. A lift assembly that is lowered or recovered from the ejection sleeve of the mouth, wherein the movable base can be movably installed on the fixed base; the conveying assembly is set on the movable base; The position of the throwing port; the throwing sleeves are successively connected by the lifting components to form a gravel throwing channel. 2 . The retractable and flexible precise throwing device according to claim 1 , wherein the lifting assembly comprises two sets of electric hoists, and the two sets of the electric hoists are symmetrically arranged above the throwing port; The hoist includes a lifting chain; each of the throwing sleeves is located between the two sets of the electric hoists, and is fixed on the lifting chain according to a preset distance. 3 . The retractable and flexible precise throwing device according to claim 2 , wherein the lifting assembly further comprises two sets of winches, and the two sets of winches are symmetrically arranged on both sides of the throwing port; When there is one set of throwing sleeves, the throwing sleeves are located between the two sets of winches, and are respectively fixed on the hinge ropes of the winches and the lifting chains. 4 . The retractable and flexible precision delivery device according to claim 3 , wherein two buckles are provided on the outer side of the release sleeve, and the two buckles are connected to the lifting chain of the electric crane or the The hinged rope connection of the winch. 5 . The retractable and flexible precise throwing device according to claim 1 , wherein the throwing sleeve is an inverted conical throwing casing, and the outer circumference of the inverted conical throwing casing is provided with a throwing sleeve. 6 . When the sleeve is not effectively fixed on the lifting chain, the annular limiting convex part is used to control the sleeve connection distance between the adjacent throwing sleeves. 6 . The retractable and flexible precise throwing device according to any one of claims 1 to 4 , wherein the conveying component comprises a conveying belt for conveying the throwing sleeve or gravel to the throwing port; the conveying belt is along the The movable base is arranged in the length direction, and the throwing port is located at the end of the conveyor belt. 7 . The retractable and flexible precise throwing device according to claim 6 , wherein the conveying assembly further comprises a hoisting part for transporting the throwing sleeve to the casting port, and the hoisting part comprises a hoisting bracket and a hoisting hoist. 8 . , the row hanger bracket is arranged along the length direction of the movable base, and the row hanger is axially movably installed on the horizontal bar of the row hanger frame. 8 . The retractable and flexible precise delivery device according to claim 7 , wherein the conveying assembly further comprises a hoist for hoisting the delivery sleeve to the conveyor belt or the hoisting component, and the hoist is arranged on the The end of the movable base away from the throwing port. 9 . The retractable and flexible precision delivery device according to claim 1 , wherein the fixed base is a frame-shaped base, and the movable base is a sliding base provided in the frame-shaped base. 10 . A base, between the sliding base and the frame-shaped base, is provided with a translation driving member for driving the sliding base to move along the length direction of the frame-shaped base.

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