CN215475627U - Reef explosion ship equipment for dredging engineering - Google Patents

Abstract

The utility model relates to reef explosion ship equipment for dredging engineering. Comprises a ship; a plurality of underwater drilling devices are arranged on the side part of the ship in parallel; the underwater drilling device comprises a base assembly, wherein a back support is arranged on the base assembly, and a drilling assembly is arranged at the front part of the back support; the drilling assembly comprises two opposite supporting columns fixedly connected with a back support, a top base is installed at the top of each supporting column, an upper fixed pulley is installed on the top base, a long oil cylinder is installed between the middle portions of the two supporting columns, the upper end of a cylinder body of the long oil cylinder is hinged to the supporting columns, a lifting movable pulley block is installed at the lower end of a piston rod, a lower fixed pulley is installed at the middle lower portion of each supporting column, a lifting base is arranged on the front portion of the front portion of each supporting column, a middle fixing plate is arranged at the middle position of the back portion of each supporting column, a gear box and a hydraulic motor are installed on the lifting base, and a main drill rod is installed on an output shaft of the gear box. The drilling device is reasonable in structural design, improves the drilling construction efficiency and ensures the drilling construction effect.

Description

Reef explosion ship equipment for dredging engineering

Technical Field

The utility model belongs to the technical field of dredging equipment, and particularly relates to reef explosion boat equipment for dredging engineering.

Background

With the rapid development of the water transportation industry, the construction of dredging projects for ports and channels has been developed greatly. The dredging engineering refers to an earth and stone engineering which adopts a dredger or other machines and manual work to excavate underwater and is carried out for widening and deepening water areas. The design stress diagram of the dredging engineering trenching causes the change of the internal structure of the water flow by changing the geometric boundary of the water flow of the river channel, so that the newly formed water flow structure can not only ensure that the silt is not deposited in the channel (at least not deposited before the next flood season), but also convey the silt entering the trenching into the lower deep trench, and maintain the stability of the channel. Dredging engineering is an engineering for excavating and treating water bottom mud, sand, stone and the like in a water area of a channel or a port according to a specified range and depth. Dredging engineering is one of the main means for developing, improving and maintaining water areas of channels and ports.

In the process of dredging engineering construction, when the underwater is reef soil, the dredging equipment is usually difficult to construct, and at the moment, the reef explosion process is usually adopted for processing. The reef explosion is an engineering of crushing or blasting underwater reefs by an underwater explosion method, improving the flow state of water flow, digging deeply and widening a river channel. Blasting underwater rock by explosives, which is commonly used for digging deep, widening a navigation channel and a harbor pool, removing navigation-obstructing reefs and excavating foundation pits of hydraulic buildings such as wharfs, ship locks, docks and the like.

Considering the factors of wind and wave on water, the drilling engineering of burying explosive under water is difficult to carry out. Traditional decentralized drilling facilities not only are difficult to drill and control, and drilling efficiency is low moreover, has influenced the implementation of underwater reef explosion technology. Therefore, the underwater reef explosion equipment needs to be developed and designed, the drilling construction efficiency is improved, the drilling construction effect is guaranteed, and good underwater construction conditions are created for the follow-up reef explosion process and the dredging equipment.

SUMMERY OF THE UTILITY MODEL

The utility model provides reef explosion ship equipment for dredging engineering, which is reasonable in structural design, improves the drilling construction efficiency and ensures the drilling construction effect to solve the technical problems in the known technology.

The technical scheme adopted by the utility model for solving the technical problems in the prior art is as follows: a reef explosion boat apparatus for dredging engineering includes a vessel; a plurality of underwater drilling devices are arranged on the side part of the ship in parallel; the underwater drilling device comprises a base assembly which is fixed with the ship and provided with a window in the middle, a back support is arranged on the base assembly, a drilling assembly is arranged at the front part of the back support, and the lower part of the drilling assembly is positioned in the window; the drilling assembly comprises two pillars which are fixedly connected with the back support and oppositely arranged, a top base is installed at the top of each pillar, an upper fixed pulley is installed on the top base, a long oil cylinder is installed between the middle parts of the two pillars, the upper end of a cylinder body of the long oil cylinder is hinged with the pillars, a lifting movable pulley block is installed at the lower end of a piston rod, a lower fixed pulley is installed at the middle lower part of each pillar, a lifting base is arranged at the front part, a middle fixed plate is arranged at the middle position of the back, the drilling assembly further comprises a first steel cable and a second steel cable, the lower end of the first steel cable is connected with the middle lower part of each pillar, the middle part of each first steel cable sequentially bypasses the movable pulley and the lower fixed pulley on the lifting movable pulley block, the upper part of each first steel cable is connected with the bottom of the lifting base, one end of each second steel cable is connected with the middle fixed plate, the middle part of each second steel cable sequentially bypasses the movable pulley and the upper fixed pulley on the lifting movable pulley block, and the other end of each second steel cable is connected with the top of the lifting base, a gear box and a hydraulic motor are installed on the lifting base, and a main drill rod is installed on an output shaft of the gear box.

The utility model has the advantages and positive effects that:

compared with the existing reef explosion facilities, the reef explosion ship equipment for dredging engineering provided by the utility model has the advantages that the multiple underwater drilling devices are arranged on the side parts of the ship, so that the technical effect of performing underwater multiple drilling construction (a row of drilling holes is obtained in each construction) at a time is realized, and the efficiency of the underwater drilling construction is improved. The ship provides a stable loading platform for each underwater drilling device, and by fully playing the functions of anchoring positioning, displacement control and the like of the ship, the underwater drilling position is accurately controlled, and the construction effect of underwater drilling construction in the drilling position aspect is ensured. Through installing the probing subassembly on base subassembly and back support, make the probing subassembly obtain stable support and guaranteed the intensity of support simultaneously, effectively avoided the probing subassembly that drilling work progress probably produced under water to warp, rock the scheduling problem, constitute by pillar, long hydro-cylinder, fixed pulley, movable pulley group, lift base etc. through setting up the probing subassembly, make the assembly that hydraulic motor, gear box and main drill pipe constitute can the steady lifting movement, accomplish the drilling action under water, further guaranteed the construction effect of drilling construction under water.

Preferably: the drill pipe fixed pulley and the drill pipe fixed pulley are respectively arranged on two sides of the top of the support, the drill pipe winch and the drill pipe winch are arranged on the back support, the steel cable wound and unwound by the drill pipe winch bypasses the drill pipe fixed pulley and is hung with the drill pipe by adopting the connecting piece, and the steel cable wound and unwound by the drill pipe winch bypasses the drill pipe fixed pulley and is hung with the spare drill pipe by adopting the connecting piece.

Preferably: the outer sides of the two pillars are provided with rails, and the device further comprises a clamping and conveying assembly which moves up and down along the rails and clamps and conveys the drill pipe.

Preferably: the clamping and conveying assembly comprises a substrate, an upper group of supporting plates and a lower group of supporting plates are arranged on the back of the substrate, and a track block is arranged on the inner sides of the supporting plates; the front surface of the base plate is provided with an upper clamp holder and a lower clamp holder, the clamp holders comprise fixed clamp blocks which are fixed with the base plate and provided with grooves, a left support rod and a right support rod are arranged on the fixed clamp blocks, a guide base is arranged between the two support rods, the outer side of the guide base is provided with a clamping oil cylinder, and the end part of a piston rod of the clamping oil cylinder is provided with a movable clamp block provided with a groove; and a lifting oil cylinder for driving the clamping and conveying assembly to move up and down is also arranged at the middle lower part of the support.

Preferably: the drilling assembly also comprises a lower sliding seat with a rail wheel, the rail wheel rolls along the pillar to move, and a wheel seat of the lifting movable pulley block is fixedly arranged on the lower sliding seat; a rail wheel is arranged on the lifting base and moves along the support column in a rolling manner.

Preferably: the middle connecting frames are arranged in the middle of the two supporting columns, the lower connecting frame is arranged at the bottom of the two supporting columns, and the middle connecting frame and the lower connecting frame are fixedly connected with the back support.

Preferably: the base assembly comprises a left side cross beam and a right side cross beam which are oppositely arranged, a connecting beam is arranged between the left side cross beam and the right side cross beam, a left front frame and a left rear frame are arranged on the outer side of the left side cross beam, and a right front frame and a right rear frame are arranged on the outer side of the right side cross beam; backing plates are arranged on the left front frame and the left rear frame, the right front frame and the right rear frame and between the two cross beams, and the window is positioned between the middle parts of the two cross beams.

Preferably: safety guardrails are further installed on the lateral parts of the ship and the outer sides of the underwater drilling devices.

Preferably: and a support rod is arranged between the middle upper part of each of the two struts and the back support.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front view of the underwater drilling device of FIG. 1;

FIG. 3 is a schematic side view of the underwater drilling device of FIG. 2;

FIG. 4 is a schematic view of the base assembly of FIG. 2, from an upper perspective;

FIG. 5 is a schematic view of the base assembly of FIG. 2, from a lower perspective;

FIG. 6 is a schematic block diagram of the drilling assembly of FIG. 2;

FIG. 7 is a schematic illustration of the internal construction of the drilling assembly of FIG. 2;

FIG. 8 is a side view of the clamp delivery assembly of FIG. 2;

FIG. 9 is a schematic top view of the clamp delivery assembly of FIG. 2;

in the figure:

1. a vessel; 2. a ship control room; 3. a safety barrier; 4. an underwater drilling device; 4-1, a base assembly; 4-1-1, right front frame; 4-1-2, right rear frame; 4-1-3, right side beam; 4-1-4, left side beam; 4-1-5, a backing plate; 4-1-6, window; 4-1-7, left front frame; 4-1-8, connecting beam; 4-1-9, left rear frame; 4-2, clamping and conveying components; 4-2-1, a support plate; 4-2-2, a substrate; 4-2-3, a gripper; 4-2-3-1, fixing the clamping block; 4-2-3-2, left side pole support; 4-2-3-3, right side strut; 4-2-3-4, clamping the oil cylinder; 4-2-3-5, a guide base; 4-2-3-6, movable clamping blocks; 4-2-4, side guard board; 4-2-5, track blocks; 4-3, a back support; 4-4, drilling a pipe; 4-5, a drilling assembly; 4-5-1, a pillar; 4-5-2, a lifting base; 4-5-3, upper fixed pulley; 4-5-4, a hydraulic motor; 4-5-5, a gear box; 4-5-6, a middle connecting frame; 4-5-7, a lower connecting frame; 4-5-8, main drill pipe; 4-5-9, a lifting movable pulley block; 4-5-10, lower fixed pulley; 4-5-11, a top base; 4-5-12, a middle fixing plate; 4-5-13, a lower sliding seat; 4-5-14, a cable tension adjuster; 4-5-15 parts of long oil cylinder; 4-6, drilling pipe fixed pulleys; 4-7, a spare drill rod; 4-8, a drill rod fixed pulley; 4-9, track; 4-10, a drill rod winch; 4-11, a drill rod winch; 4-12 and a support rod.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1, the reef explosion ship apparatus for dredging engineering of the present invention includes a vessel 1, and a plurality of underwater drilling devices 4 are arranged side by side at a side portion of the vessel 1. As shown in the drawing, the sailing operation, the anchor lowering/raising operation, and the shifting operation of the ship 1 are controlled by the ship control room 2, and the ship 1 provides a stable loading platform for each underwater drilling device 4. The underwater drilling devices 4 are independently controlled, drilling holes are arranged on the underwater reef in rows in the single underwater drilling construction process, underwater explosives are arranged in the drilling holes, and the underwater explosives are controlled to detonate through a shipborne initiator after the ship is moved to a safe operation water area, so that the reef explosion effect is generated.

In this embodiment, in order to improve safety, safety fences 3 are further installed on the side of the ship 1 and outside each underwater drilling device 4.

Referring to fig. 2 and 3, it can be seen that:

the underwater drilling device 4 comprises a base assembly 4-1 fixed with the vessel 1 and having a window 4-1-6 in the middle, a back support 4-3 mounted on the base assembly 4-1, a drilling assembly 4-5 mounted on the front of the back support 4-3, and the lower part of the drilling assembly 4-5 located in the window 4-1-6.

Both the base assembly 4-1 and the back support 4-3 serve to support the drilling assembly 4-5. Referring to fig. 4 and 5, it can be seen that:

the base component 4-1 comprises a left side beam 4-1-4 and a right side beam 4-1-3 which are oppositely arranged, a connecting beam 4-1-8 is arranged between the left side beam 4-1-4 and the right side beam, a left front frame 4-1-7 and a left rear frame 4-1-9 are arranged on the outer side of the left side beam 4-1-4, and a right front frame 4-1-1 and a right rear frame 4-1-2 are arranged on the outer side of the right side beam 4-1-3. The left side cross beam 4-1-4, the right side cross beam 4-1-3, the connecting beam 4-1-8, the left front frame 4-1-7, the left rear frame 4-1-9, the right front frame 4-1-1 and the right rear frame 4-1-2 jointly form a supporting frame which is fixedly arranged on the side of a deck of the ship 1, and specifically: the inner ends of the left side cross beam 4-1-4 and the right side cross beam 4-1-3, the left rear frame 4-1-9 and the right rear frame 4-1-2 are fixedly connected with the deck of the ship 1 by welding and the like, the outer ends of the left side cross beam 4-1-4 and the right side cross beam 4-1-3, the left front frame 4-1-7 and the right front frame 4-1-1 extend outwards from the deck of the ship 1, and therefore the drilling assembly 4-5 is integrally positioned outside the deck of the ship 1.

Backing plates 4-1-5 are arranged on the left front frame 4-1-7 and the left rear frame 4-1-9, the right front frame 4-1-1 and the right rear frame 4-1-2 and between the two cross beams, and the window 4-1-6 is positioned between the middle parts of the two cross beams (the backing plates 4-1-5 on the left cross beam 4-1-4 and the right cross beam 4-1-3 are composed of the front and the rear two split backing plates 4-1-5, and the window 4-1-6 is positioned between the two backing plates 4-1-5). The above-mentioned skid plates 4-1-5 constitute support steps for the operator to operate on the underwater drilling device 4, i.e. a U-shaped channel is formed around the drilling assembly 4-5, which channel communicates with the deck of the vessel 1.

The back support 4-3 is formed by splicing and building steel, the bottom of the back support 4-3 is fixedly connected with the base component 4-1, and in consideration of the problem of dismounting and mounting of the drilling component 4-5 to the ship 1, in the embodiment, the bottom of the back support 4-3 is detachably connected with the base component 4-1. Specifically, as shown in the figure, mounting bases are arranged on the left side cross beam 4-1-4 and the right side cross beam 4-1-3 of the base assembly 4-1, the lower ends of the column profiles positioned at the four corners of the back support 4-3 fall into the mounting bases and are fixedly connected by using strong bolts, and therefore, when the back support needs to be disassembled and assembled, the disassembly and the assembly can be realized by disassembling and assembling the strong bolts. It is of course conceivable to weld the bottom of the back support 4-3 to the left and right cross members 4-1-4, 4-1-3 of the base assembly 4-1. The back support 4-3 can be provided with a stair, so that an operator can conveniently ascend to a high position and perform corresponding manual operation.

Referring to fig. 6 and 7, it can be seen that:

the drilling assembly 4-5 comprises two opposite supporting columns 4-5-1 fixedly connected with the back support 4-3, in this embodiment, a middle connecting frame 4-5-6 is arranged in the middle of the two supporting columns 4-5-1, a lower connecting frame 4-5-7 is arranged at the bottom, and both the middle connecting frame 4-5-6 and the lower connecting frame 4-5-7 are fixedly connected with the back support 4-3. In order to further increase the strength of the structure, in this embodiment, support bars 4-12 are provided between the middle upper portions of the two pillars 4-5-1 and the top of the back frame 4-3.

The top of the pillar 4-5-1 is provided with a top base 4-5-11, the top base 4-5-11 is provided with an upper fixed pulley 4-5-3, a long oil cylinder 4-5-15 is arranged between the middle parts of the two pillars 4-5-1, the upper end of the cylinder body of the long oil cylinder 4-5-15 is hinged with the pillar 4-5-1, and the lower end of the piston rod is provided with a lifting movable pulley block 4-5-9.

The middle lower part of the strut 4-5-1 is provided with a lower fixed pulley 4-5-10, the front part of the front is provided with a lifting base 4-5-2, the middle position of the back is provided with a middle fixed plate 4-5-12, and the middle fixed plate 4-5-12 is welded and fixed with the two struts 4-5-1. The lifting device also comprises a first steel cable and a second steel cable, wherein the lower end of the first steel cable is connected with the middle lower part of the pillar 4-5-1, the middle part of the first steel cable sequentially bypasses the movable pulley and the lower fixed pulley 4-5-10 on the lifting movable pulley block 4-5-9, the upper part of the first steel cable is connected with the bottom of the lifting base 4-5-2, one end of the second steel cable is connected with the middle fixing plate 4-5-12, the middle part of the second steel cable sequentially bypasses the movable pulley and the upper fixed pulley 4-5-3 on the lifting movable pulley block 4-5-9, and the other end of the second steel cable is connected with the top of the lifting base 4-5-2. When the piston rod of the long oil cylinder 4-5-15 extends, the lifting movable pulley block 4-5-9 moves downwards, and correspondingly the lifting base 4-5-2 and the accessory structure move upwards, and when the piston rod of the long oil cylinder 4-5-15 retracts, the lifting movable pulley block 4-5-9 moves upwards, and correspondingly the lifting base 4-5-2 and the accessory structure move downwards.

In this embodiment, as shown in FIG. 7, the end of the first wire rope is connected to the post 4-5-1 through a wire rope tension adjuster 4-5-14, by which the initial height of the lifting base 4-5-2 and its accompanying structure can be fine-tuned. Specifically, the cable tension adjuster 4-5-14 comprises an outer frame and screws mounted at two ends of the outer frame, when the outer frame is rotated, the two screws move towards or away from each other to achieve the pulling or releasing of the cable, and the cable tension adjuster 4-5-14 is a commercially available part.

In the embodiment, in order to improve the stability of the lifting movable pulley block 4-5-9 during movement, the drilling assembly 4-5 further comprises a lower sliding seat 4-5-13 with a rail wheel, the rail wheel moves along the pillar 4-5-1 in a rolling manner, a wheel seat of the lifting movable pulley block 4-5-9 is fixedly arranged on the lower sliding seat 4-5-13, and the lifting movable pulley block 4-5-9 and the lower sliding seat 4-5-13 synchronously move when a piston rod of the long oil cylinder 4-5-15 makes telescopic movement; similarly, the lifting base 4-5-2 is provided with a rail wheel which rolls along the pillar 4-5-1.

A gear box 4-5-5 and a hydraulic motor 4-5-4 are arranged on the lifting base 4-5-2, and a main drill rod 4-5-8 is arranged on an output shaft of the gear box 4-5-5. The hydraulic motor 4-5-4 provides power input for the gear box 4-5-5, and the gear box 4-5-5 drives the main drill rod 4-5-8 to rotate. The main drill rod 4-5-8 is in threaded connection with an output shaft of the gear box 4-5-5, and a drill bit is installed at the lower end of the main drill rod 4-5-8 in a threaded connection mode. Thus, under the drive of the long oil cylinder 4-5-15, the lifting base 4-5-2, the gear box 4-5-5, the hydraulic motor 4-5-4 and the main drill rod 4-5-8 form a combination body which moves up and down, and the drilling construction is completed on the underwater reef in the descending process.

In the embodiment, two sides of the top of the support 4-5-1 are respectively provided with a drill pipe fixed pulley 4-6 and a drill pipe fixed pulley 4-8, a drill pipe winch 4-10 and a drill pipe winch 4-11 are arranged on the back support 4-3, a steel cable wound and unwound by the drill pipe winch 4-10 bypasses the drill pipe fixed pulley 4-6 and is hung with the drill pipe 4-4 by adopting a connecting piece, and a steel cable wound and unwound by the drill pipe winch 4-11 bypasses the drill pipe fixed pulley 4-8 and is hung with the spare drill pipe 4-7 by adopting the connecting piece.

The drill pipe 4-4 is used for guiding the drill pipe, the drill pipe is downwards inserted into the water bottom and fixed in the drilling construction process, the drill pipe moves up and down in the drill pipe 4-4, and the drill pipe winch 4-10 and a steel cable thereof are used for hoisting and lifting the drill pipe 4-4. The standby drill rod 4-7 is in butt joint with the main drill rod 4-5-8 to expand the total length of the drill rod, the drill rod winch 4-11 and a steel cable thereof are used for hoisting and lifting the standby drill rod 4-7, the upper end of the standby drill rod 4-7 is in threaded connection with the output shaft of the gear box 4-5-5, and the lower end of the standby drill rod 4-7 is in threaded connection with the upper end of the main drill rod 4-5-8. In fact, the main drill rod 4-5-8 and the spare drill rod 4-7 may be standard drill rods (the lengths may be different) of the same structure, and in the non-use state, the spare drill rod 4-7 is hung at the side of the drilling assembly 4-5 and fixed with the back support 4-3 by using a rope or the like to prevent shaking.

The outer sides of the two pillars 4-5-1 are respectively provided with a track 4-9, and the device also comprises a clamping and conveying assembly 4-2 which moves up and down along the track 4-9 and clamps and conveys the drill pipe 4-4. In a working state, the drill pipe 4-4 is clamped and fixed on the clamping and conveying assembly 4-2, and in a non-working state (such as in the process of sailing and moving of the ship 1), the drill pipe 4-4 can be released or separated from the clamping and conveying assembly 4-2, hung at the side part of the drilling assembly 4-5 and fixed with the back support 4-3 by adopting a rope and the like to prevent shaking.

The clamping and conveying assembly 4-2 provides double functions of clamping and fixing and vertical conveying for the drill pipe 4-4, wherein the clamping and fixing function enables the drill pipe 4-4 and the drilling assembly 4-5 to form a fixed position relation, so that the drill pipe obtains a stable guiding function in the drilling process, the vertical conveying function achieves the action effect that the lower end of the drill pipe 4-4 is inserted into or pulled out of underwater soil, when the drill pipe 4-4 is downwards inserted into the underwater soil to a certain depth, the determination of the position of a drill hole is achieved, meanwhile, a certain auxiliary anchoring function is provided for the ship 1, the anchoring capacity of the ship 1 is matched, and the ship 1 is prevented from shifting in the underwater drilling construction process.

Referring to fig. 8 and 9, it can be seen that:

the clamping conveying assembly 4-2 comprises a base plate 4-2-2, an upper group of support plates 4-2-1 and a lower group of support plates 4-2-1 are arranged on the back of the base plate 4-2-2, a track block 4-2-5 is arranged on the inner side of each support plate 4-2-1, and a track 4-9 on the side of each support 4-5-1 falls into the track block 4-2-5, namely the track block 4-2-5 slides along the track 4-9.

An upper clamper 4-2-3 and a lower clamper 4-2-3 are arranged on the front surface of the base plate 4-2-2, and the two clampers 4-2-3 are used for clamping and fixing the drill pipe 4-4.

The clamp 4-2-3 comprises a fixed clamping block 4-2-3-1 which is fixed with the base plate 4-2-2 and is provided with a groove, a left supporting rod 4-2-3-2 and a right supporting rod 4-2-3-3 are arranged on the fixed clamping block 4-2-3-1, a guide base 4-2-3-5 is arranged between the two supporting rods, a clamping oil cylinder 4-2-3-4 is arranged on the outer side of the guide base 4-2-3-5, and a movable clamping block 4-2-3-6 with a groove is arranged at the end part of a piston rod of the clamping oil cylinder 4-2-3-4.

As shown in the figure, connecting plates are arranged on two sides of the guide base 4-2-3-5 and are fixedly connected with the left side support rod 4-2-3-2 and the right side support rod 4-2-3-3 through bolts respectively, so that a combination body formed by the clamping oil cylinder 4-2-3-4, the guide base 4-2-3-5 and the movable clamping block 4-2-3-6 can be detached from the fixed clamping block 4-2-3-1 or unfolded outwards by detaching one bolt or detaching two bolts, and the drill pipe 4-4 can be conveniently placed in or detached from the fixed clamping block 4-2-3-1.

The guide base 4-2-3-5 provides a certain guide function for the movable clamping block 4-2-3-6, and specifically comprises the following steps: the guide base 4-2-3-5 is internally provided with a cavity, and the cross section shape of the cavity is consistent with that of the movable clamping block 4-2-3-6, so that the movable clamping block 4-2-3-6 is more stable when being extended or retracted.

A lifting cylinder (not shown in the figure) for driving the clamping and conveying assembly 4-2 to move up and down is further arranged at the middle lower part of the support column 4-5-1, when the clamping and conveying assembly 4-2 generates stable clamping and fixing effects on the drill pipe 4-4, the downward conveying movement and the upward conveying movement of a combined body formed by the clamping and conveying assembly 4-2 and the drill pipe 4-4 are realized through the telescopic control of the lifting cylinder, the drill pipe 4-4 is inserted into soil at the bottom during the downward movement, and the lower end of the drill pipe 4-4 is pulled out of the soil at the bottom during the upward movement.

In the embodiment, the left side guard plate 4-2-4 and the right side guard plate 4-2-4 are arranged between the fixed clamping blocks 4-2-3-1 of the upper clamp holder 4-2-3 and the lower clamp holder 4-2-3, and the side guard plates 4-2-4 can prevent limbs of an operator from extending into the inner space of the clamping conveying assembly 4-2, so that the operation safety is improved.

Each underwater drilling device 4 is provided with a respective hydraulic station, the long oil cylinder 4-5-15, the lifting oil cylinder, the clamping oil cylinder 4-2-3-4, the hydraulic motor 4-5-4, the drill pipe winch 4-10 and the drill rod winch 4-11 are connected to the hydraulic stations, and all parts are manually controlled to move through the hydraulic stations.

The working process is as follows:

driving the ship 1 to a reef explosion construction water area through the ship engine control room 2, and anchoring after the ship is in place; a plurality of operators respectively operate the hydraulic stations of the underwater drilling devices 4 (or the operators sequentially operate the hydraulic stations of the underwater drilling devices 4);

firstly, placing a drill pipe 4-4 into a clamping and conveying component 4-2, lowering the drill pipe 4-4 by a drill pipe winch 4-10 until the lower end of the drill pipe 4-4 is contacted with the water bottom (in the process, the drill pipe 4-4 is kept in a hanging state, namely, the connection between the drill pipe 4-4 to be prepared and a hanging steel cable is not removed), then operating the clamping and conveying component 4-2 to clamp and fix the drill pipe 4-4 at two points, operating a lifting oil cylinder to move, enabling the clamping and conveying component 4-2 to drive the drill pipe 4-4 to move downwards, and inserting the lower end of the drill pipe 4-4 into soil at the water bottom;

then, controlling the long oil cylinder 4-5-15 to act, enabling the main drill rod 4-5-8 to move downwards, and enabling the lower end of the main drill rod 4-5-8 to penetrate into the drill pipe 4-4 through manual operation; fixing the upper ends of the main drill pipe 4-5-8 and the drill pipe 4-4 together by a fixing piece, controlling the hydraulic motor 4-5-4 to rotate reversely, disconnecting the output shaft of the gear box 4-5-5 from the upper end of the main drill pipe 4-5-8, controlling the long oil cylinder 4-5-15 to move to make the lifting base 4-5-2 and the accessory parts thereof move upwards, stopping after the lifting base is high, manually pulling the spare drill pipe 4-7 to move to make the upper end thereof align with the output shaft of the gear box 4-5-5, starting the hydraulic motor 4-5-4 to rotate forwardly, connecting the upper end of the spare drill pipe 4-7 with the output shaft of the gear box 4-5-5, disconnecting the spare drill pipe 4-7 from the hanging steel cable, aligning the lower end of the standby drill rod 4-7 with the upper end of the main drill rod 4-5-8, and connecting the lower end of the standby drill rod 4-7 with the upper end of the main drill rod 4-5-8 in the rotating process; the fixing piece between the main drill rod 4-5-8 and the drill pipe 4-4 is released, so that the main drill rod 4-5-8 and the standby drill rod 4-7 are driven by the hydraulic motor 4-5-4 at the same time;

controlling the long oil cylinder 4-5-15 to act, enabling the lifting base 4-5-2 and the accessory parts thereof to descend and move (namely, the piston rod retracts), drilling on the reef at the water bottom, stopping the feeding action of the long oil cylinder 4-5-15 after the set depth is reached, then controlling the long oil cylinder 4-5-15 to reversely act (namely, the piston rod extends out) through the hydraulic station, lifting the drill rod, firstly disassembling the spare drill rod 4-7, then connecting the main drill rod 4-5-8 with the output shaft of the gear box 4-5-5, and further lifting the main drill rod 4-5-8 to the initial position; then, placing an underwater explosive into the drill pipe 4-4 from the upper end of the drill pipe, depositing the explosive into the drill hole under the action of gravity, operating the lifting oil cylinder to act, pulling the drill pipe 4-4 out of soil at the bottom of the water, and then lifting the drill pipe 4-4 to a high position by using a drill pipe winch 4-10;

after the operations of drilling and placing the explosive are completed, the ship 1 is driven away from the water area to a safe position, and the embedded explosive is detonated by adopting a shipborne detonator to complete reef blasting; in general, a wireless initiation mode is adopted, namely a receiving device is arranged in the underwater explosive, a transmitting device is arranged in the shipborne initiator, sound waves or electric waves can be generated, and the underwater explosive is detonated when receiving sound waves or electric wave signals.

Claims (9)

1. A reef explosion vessel arrangement for dredging engineering, comprising a vessel (1); the method is characterized in that: a plurality of underwater drilling devices (4) are arranged on the side part of the ship (1) in parallel; the underwater drilling device (4) comprises a base assembly (4-1) which is fixed with the ship (1) and is provided with a window (4-1-6) in the middle, a back support (4-3) is arranged on the base assembly (4-1), a drilling assembly (4-5) is arranged at the front part of the back support (4-3), and the lower part of the drilling assembly (4-5) is positioned in the window (4-1-6); the drilling assembly (4-5) comprises two pillars (4-5-1) which are fixedly connected with the back support (4-3) and oppositely arranged, a top base (4-5-11) is installed at the top of each pillar (4-5-1), an upper fixed pulley (4-5-3) is installed on the top base (4-5-11), a long oil cylinder (4-5-15) is installed between the middle parts of the two pillars (4-5-1), the upper end of the cylinder body of the long oil cylinder (4-5-15) is hinged with the pillar (4-5-1), a lifting movable pulley block (4-5-9) is installed at the lower end of the piston rod, and a lower fixed pulley (4-5-10) is installed at the middle lower part of the pillar (4-5-1), A lifting base (4-5-2) is arranged at the front part of the front surface, a middle fixing plate (4-5-12) is arranged at the middle position of the back part, the lifting base also comprises a first steel cable and a second steel cable, the lower end of the first steel cable is connected with the middle lower part of the pillar (4-5-1), the middle part of the first steel cable sequentially bypasses a movable pulley and a lower fixed pulley (4-5-10) on the lifting movable pulley block (4-5-9), the upper part of the first steel cable is connected with the bottom of the lifting base (4-5-2), one end of the second steel cable is connected with the middle fixing plate (4-5-12), the middle part of the second steel cable sequentially bypasses a movable pulley and an upper fixed pulley (4-5-3) on the lifting movable pulley block (4-5-9), and the other end of the second steel cable is connected with the top of the lifting base (4-5-2), a gear box (4-5-5) and a hydraulic motor (4-5-4) are arranged on the lifting base (4-5-2), and a main drill rod (4-5-8) is arranged on an output shaft of the gear box (4-5-5).

2. A reef explosion boat apparatus for dredging engineering as claimed in claim 1 wherein: drill pipe fixed pulleys (4-6) and drill pipe fixed pulleys (4-8) are respectively installed on two sides of the top of the support column (4-5-1), a drill pipe winch (4-10) and a drill pipe winch (4-11) are installed on the back support (4-3), a steel cable wound and unwound by the drill pipe winch (4-10) bypasses the drill pipe fixed pulleys (4-6) and is hung with the drill pipes (4-4) by adopting connecting pieces, and a steel cable wound and unwound by the drill pipe winch (4-11) bypasses the drill pipe fixed pulleys (4-8) and is hung with spare drill pipes (4-7) by adopting connecting pieces.

3. A reef explosion boat apparatus for dredging engineering as claimed in claim 2 wherein: the outer sides of the two pillars (4-5-1) are respectively provided with a track (4-9), and the device also comprises a clamping and conveying assembly (4-2) which moves up and down along the track (4-9) and clamps and conveys the drill pipe (4-4).

4. A reef explosion boat apparatus for dredging engineering as claimed in claim 3 wherein: the clamping conveying assembly (4-2) comprises a substrate (4-2-2), an upper group of support plates (4-2-1) and a lower group of support plates (4-2-1) are arranged on the back of the substrate (4-2-2), and a track block (4-2-5) is arranged on the inner side of each support plate (4-2-1); an upper clamp holder and a lower clamp holder (4-2-3) are arranged on the front surface of a base plate (4-2-2), the clamp holders (4-2-3) comprise fixed clamp blocks (4-2-3-1) which are fixed with the base plate (4-2-2) and provided with grooves, a left support rod (4-2-3-2) and a right support rod (4-2-3-3) are arranged on the fixed clamp blocks (4-2-3-1), a guide base (4-2-3-5) is arranged between the two support rods, a clamping oil cylinder (4-2-3-4) is arranged on the outer side of the guide base (4-2-3-5), and a movable clamp block (4-2-3-6) with grooves is arranged at the end part of a piston rod of the clamping oil cylinder (4-2-3-4) ) (ii) a The middle lower part of the support (4-5-1) is also provided with a lifting oil cylinder for driving the clamping and conveying assembly (4-2) to move up and down.

5. A reef explosion boat apparatus for dredging engineering as claimed in claim 4 wherein: the drilling assembly (4-5) also comprises a lower sliding seat (4-5-13) with a rail wheel, the rail wheel rolls along the pillar (4-5-1) to move, and a wheel seat of the lifting movable pulley block (4-5-9) is fixedly arranged on the lower sliding seat (4-5-13); the lifting base (4-5-2) is provided with a rail wheel which moves along the pillar (4-5-1) in a rolling way.

6. A reef explosion boat apparatus for dredging engineering as claimed in claim 5 wherein: the middle part of the two pillars (4-5-1) is provided with a middle connecting frame (4-5-6), the bottom part is provided with a lower connecting frame (4-5-7), and the middle connecting frame (4-5-6) and the lower connecting frame (4-5-7) are fixedly connected with the back support (4-3).

7. A reef explosion boat apparatus for dredging engineering as claimed in claim 6 wherein: the base assembly (4-1) comprises a left side beam (4-1-4) and a right side beam (4-1-3) which are oppositely arranged, a connecting beam (4-1-8) is arranged between the left side beam and the right side beam, the outer side of the left side beam (4-1-4) is provided with a left front frame (4-1-7) and a left rear frame (4-1-9), and the outer side of the right side beam (4-1-3) is provided with a right front frame (4-1-1) and a right rear frame (4-1-2); backing plates (4-1-5) are arranged on the left front frame (4-1-7) and the left rear frame (4-1-9), on the right front frame (4-1-1) and the right rear frame (4-1-2) and between the two cross beams, and the window (4-1-6) is positioned between the middle parts of the two cross beams.

8. A reef explosion boat apparatus for dredging engineering as claimed in claim 7 wherein: safety guardrails (3) are further installed on the lateral parts of the ship (1) and the outer sides of the underwater drilling devices (4).

9. A reef explosion boat apparatus for dredging engineering as claimed in claim 8 wherein: supporting rods (4-12) are arranged between the middle upper parts of the two pillars (4-5-1) and the back support (4-3).

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