CN116927673A - Foundation drilling equipment for ocean engineering construction - Google Patents

Abstract

The invention relates to the field of foundation drilling, in particular to foundation drilling equipment for ocean engineering construction. The invention can tamp soft soil around the hole more firmly in the process of drilling the foundation, avoid collapse of the soft soil more effectively, and reduce impact of seawater on the hole effectively, thereby improving the drilling quality of the foundation more effectively. The invention comprises a supporting bottom plate, a supporting frame, a multi-stage electrohydraulic push rod and the like; the support frame is fixedly connected to the upper side face of the support bottom plate, two mounting holes are formed in the top of the support frame, and the multistage electro-hydraulic push rod is fixedly connected to the middle position of the lower side face of the top of the support frame. The four conical blocks can support and limit the supporting bottom plate, so that the supporting bottom plate is prevented from being impacted due to the flowing of seawater, the drill bit can be limited due to the upward movement of the inclined plane pore plate, and then the drill bit rotates and moves downwards to be drilled into a seabed foundation, so that the ocean foundation is stably and accurately drilled.

Description

Foundation drilling equipment for ocean engineering construction

Technical Field

The invention relates to the field of foundation drilling, in particular to foundation drilling equipment for ocean engineering construction.

Background

The ocean engineering is a new construction, reconstruction and extension engineering for the purpose of developing, utilizing, protecting and recovering ocean resources, and the engineering main body is positioned at one side of a coastline towards the sea, and concretely comprises ocean development and utilization engineering such as sea reclamation, offshore dyke engineering, artificial islands, cross-sea bridges, submarine tunnel engineering and the like. When the marine construction is performed, firstly, the geological condition of the sea bottom needs to be explored, and a special submarine foundation drilling device is generally used for drilling the submarine foundation so as to explore the geology of the drilling position and perform marine engineering construction.

Because the seabed surface of most oceans is covered with a layer of soft soil silt, the soil is loose, so that the drilling is troublesome. In the prior art, when a worker drills the seabed by using foundation drilling equipment, soft soil around the hole is easy to collapse and bury the hole again, meanwhile, due to the action of water pressure in the ocean, seawater can flow back into the hole during drilling, the hole is extremely easy to collapse, however, some foundation drilling equipment at present cannot well reinforce the hole and can simply drill, after the drilling is finished, the hole is also easy to collapse by the seawater, so that the foundation drilling quality is not high, and secondary construction is often required.

Disclosure of Invention

In view of the above, the invention provides a foundation drilling device for ocean engineering construction, which can tamp soft soil around a hole more firmly in the process of drilling the foundation, avoid collapse of the soft soil more effectively, and reduce impact of seawater on the hole effectively, thereby improving the drilling quality of the foundation more effectively.

The technical implementation scheme of the invention is as follows: the utility model provides a foundation drilling equipment that ocean engineering construction was used, includes supporting baseplate, carriage, multistage electrohydraulic push rod, motor, drill bit, stop gear and fixed establishment, the upside of supporting baseplate is equipped with two gag lever posts, is equipped with four dead levers and four stopper, carriage fixed connection is in the upside of supporting baseplate, two mounting holes have been seted up at the top of carriage, multistage electrohydraulic push rod fixed connection is in the intermediate position of carriage top downside, motor fixed connection is on multistage electrohydraulic push rod's telescopic link, drill bit fixed connection is on the output shaft of motor, stop gear establishes on the supporting baseplate, stop gear is used for spacing to the position of supporting baseplate, fixed establishment establishes on the supporting baseplate, fixed establishment is used for spacing to the position of drill bit.

As a further preferred scheme, stop gear is including fixed peg, toper piece, support pivot, arc panel and torsion spring, the bottom fixedly connected with of supporting baseplate four fixed pegs, two fixed peg is a set of, each the bottom surface of fixed peg is all fixedly connected with toper piece, each the lower part of toper piece is the centrum structure, each the lower part of fixed peg is all fixedly connected with two support pivots, is located two on the same fixed peg support pivot is the symmetry setting, is located two on the same fixed peg support pivot is a set of, each all rotate in the support pivot and be connected with the arc panel, each all be equipped with the cambered surface on the arc panel, each be connected with two torsion spring between arc panel and the support pivot.

As a further preferred scheme, fixed establishment is including slip ejector sleeve frame, inclined plane orifice plate, compression spring, gear, rack bar I, rack bar II, trapezoidal piece and spacing round bar, all sliding connection has slip ejector sleeve frame on two gag lever posts of supporting baseplate, two fixedly connected with inclined plane orifice plate between the slip ejector sleeve frame, the inclined plane orifice plate is located the central point of supporting baseplate, the spacing hole has been seted up to the central point of inclined plane orifice plate, the drill bit is located the spacing hole of inclined plane orifice plate directly over, be connected with compression spring between two gag lever posts of supporting baseplate respectively and two slip ejector sleeve frames, all be connected with the gear on four dead levers of supporting baseplate in a pivoted mode, sliding connection has four rack bars I on the supporting baseplate, gear and rack bar I mesh, each sliding ejector sleeve frame's both ends top all fixedly connected with rack bar II, every rack bar II meshes with the gear, and the bottom surface of rack bar I all fixedly connected with trapezoidal piece, just the trapezoidal piece is located two cambered surface top, every cambered surface is located two inclined plane round bar I is kept away from to be connected with two fixed connection round bars of two cambered surface top.

As still further preferred scheme, still including bulldozing mechanism, bulldozing mechanism establishes on the drill bit, bulldozing mechanism is including supporting ring, support stock, compression spring and spiral bent plate, supporting ring fixed connection is on the upper portion of drill bit, support stock sliding connection is in supporting ring one side, support the stock for vertical setting, be connected with compression spring between supporting ring and the support stock, spiral bent plate fixed connection is in the bottom face of supporting the stock, spiral bent plate is located the top of inclined plane orifice plate, just the bottom of spiral bent plate and the contact of the upside of inclined plane orifice plate.

As a further preferred scheme, the automatic tamping device comprises a tamping mechanism, wherein the tamping mechanism is arranged on a supporting base plate and comprises an arc-shaped push plate, tension springs, inclined plane push rods, hook rod frames and curved hook rods, one arc-shaped push plate is connected between two limiting blocks of the supporting base plate in a sliding mode, the number of the arc-shaped push plates is two, tension springs are connected between four limiting blocks of the supporting base plate and the arc-shaped push plate, each inclined plane push rod is fixedly connected to two sides of the outer wall of the arc-shaped push plate, two inclined plane push rods on the same arc-shaped push plate are in a group, the inclined plane push rods are in contact with limiting round rods, each hook rod frame is fixedly connected to the middle position of the top of the arc-shaped push plate, and the curved hook rods are in contact with one hook rod frame.

As a further preferable scheme, the spiral bending plate further comprises a supporting round rod and a rotating roller, wherein the supporting round rod is fixedly connected to the outer wall of the spiral bending plate, the rotating roller is rotatably connected to the lower portion of the supporting round rod, and the rotating roller is in contact with the lower side face of the inclined plane pore plate.

As a further preferable scheme, the novel hydraulic automatic hydraulic machine further comprises a water baffle plate, wherein the water baffle plate is fixedly connected to the lower portion of the supporting frame, and the fixing mechanism, the spiral bending plate, the tamping mechanism, the supporting round rod and the rotating roller are all located in the water baffle plate.

The invention has the following advantages: 1. in the invention, four conical blocks are firstly inserted into a soft soil layer, then the inclined plane pore plates fall onto the soft soil layer due to gravity, the sliding push rod frame moves upwards, the rack rod moves upwards to drive the gear to rotate, the rack rod moves downwards to drive the trapezoidal blocks to move downwards, the trapezoidal blocks move downwards to push the two cambered plates to swing in the directions away from each other and press soft soil around the conical blocks, so that soft soil around the conical blocks is prevented from collapsing, and meanwhile, the supporting area is enlarged, so that the four conical blocks can better support and limit the supporting bottom plate, prevent the supporting bottom plate from moving due to seawater flowing, so that drilling can be stabilized later, the inclined plane pore plates move upwards to limit the drill bit, so that drilling can be accurately performed later, and then the drill bit rotates and moves downwards to drill into a foundation on the seabed, so that the marine foundation can be drilled stably and accurately.

2. According to the invention, the drill bit rotates to drive the supporting ring to rotate, the supporting ring rotates to enable the spiral bent plate to rotate, soft soil thrown out during drilling of the drill bit is continuously pushed to the periphery from the upper surface of the inclined plane pore plate, so that the dug soft soil can be piled to the periphery of the hole, the soft soil is effectively prevented from being re-buried into the hole, the periphery of the hole can be tamped, hole collapse is avoided, meanwhile, the spiral bent plate rotates to drive the bent hook rods to rotate, the bent hook rods alternately push the two hook rod frames to move to one side close to the drill bit, the two arc push plates alternately move, the two inclined plane push rods are driven to move when the arc push plates move, the limit round rods are pushed to continuously move upwards, the inclined plane pore plate is further enabled to continuously move upwards, the two arc push soft soil around the inclined plane pore plate is pushed to the lower side of the inclined plane pore plate, the inclined plane pore plate is enabled to downwards squeeze the soft soil, the periphery of the hole is prevented from being tamped, the periphery of the hole is effectively prevented from collapsing around the inclined plane pore plate, the soft soil foundation is enabled to be enabled to continuously move, and the drilling quality of the hole can be effectively improved after the hole is effectively drilled.

3. In the invention, the spiral bent plate rotates to drive the supporting round rod and the rotating roller to rotate together, the rotating roller rotates to continuously crush soft soil on the lower side surface of the inclined plane pore plate and compact the soft soil more firmly, so that the soft soil is more firmly built around the hole, the hole is surrounded, the subsequent hole is prevented from being flushed by seawater, meanwhile, in the drilling process, the water baffle can protect the periphery, the impact of the seawater on the hole is reduced, the impact of the seawater on the hole is prevented from being caused by rapid flowing, the construction efficiency is influenced, the soft soil can be tamped more rapidly, and the loss of the soft soil is avoided.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic view of a partial perspective structure of the present invention.

Fig. 4 is an enlarged perspective view of fig. 2 a according to the present invention.

Fig. 5 is a schematic view of a partial perspective structure of the limiting mechanism and the fixing mechanism of the present invention.

Fig. 6 is a schematic perspective view of a support base of the present invention.

Fig. 7 is a partially disassembled perspective view of the limiting mechanism and the fixing mechanism of the present invention.

FIG. 8 is a schematic partial perspective view of the securing mechanism, bulldozer mechanism, and tamper mechanism of the present invention.

FIG. 9 is a schematic partial perspective view of the bulldozer mechanism and the tamper mechanism of the present invention.

Fig. 10 is a schematic perspective view of a spiral bent plate and a bent-face hook rod according to the present invention.

Fig. 11 is a schematic perspective view of the inclined plane orifice plate, the supporting round bar and the rotating roller of the present invention.

Wherein: 1-supporting bottom plate, 2-supporting frame, 3-multistage electrohydraulic push rod, 41-motor, 42-drill bit, 51-fixed hanging rod, 52-conical block, 53-supporting rotating shaft, 54-arc panel, 55-torsion spring, 61-sliding push rod frame, 62-inclined plane pore plate, 63-pressure spring, 64-gear, 65-rack bar I, 66-rack bar II, 67-trapezoid block, 68-limit round rod, 71-supporting ring, 72-supporting long rod, 73-compression spring, 74-spiral bent plate, 81-arc push plate, 82-tension spring, 83-inclined plane push rod, 84-hook rod frame, 85-bent hook rod, 91-supporting round rod, 92-rotating roller and 10-water baffle.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1: the utility model provides a foundation drilling equipment that ocean engineering construction was used, shown as fig. 1-7, including supporting baseplate 1, supporting frame 2, multistage electrohydraulic push rod 3, motor 41, drill bit 42, stop gear and fixed establishment, the upside of supporting baseplate 1 is equipped with two gag lever posts, is equipped with four dead levers and four stopper, supporting frame 2 passes through bolted connection at the upside of supporting baseplate 1, supporting frame 2 is "n" shape structure, two mounting holes have been seted up at the top of supporting frame 2, multistage electrohydraulic push rod 3 passes through bolted connection in the intermediate position of supporting frame 2 top downside, motor 41 passes through bolted connection on multistage electrohydraulic push rod 3's telescopic link, drill bit 42 passes through bolted connection on motor 41's output shaft, drill bit 42 is vertical setting, stop gear establishes on supporting baseplate 1, stop gear is used for spacing to supporting baseplate's position, fixed establishment is on supporting baseplate 1, fixed establishment is used for spacing to the position of drill bit.

The limiting mechanism comprises fixed hanging rods 51, conical blocks 52, supporting rotating shafts 53, cambered surface plates 54 and torsion springs 55, four fixed hanging rods 51 are welded at the bottom of the supporting bottom plate 1, the fixed hanging rods 51 are vertically arranged, two fixed hanging rods 51 are in a group, the bottom end faces of the fixed hanging rods 51 are all connected with the conical blocks 52 through rivets, the lower parts of the conical blocks 52 are of cone structures, two supporting rotating shafts 53 are connected with the lower parts of the fixed hanging rods 51 through bolts, the supporting rotating shafts 53 are horizontally arranged, two supporting rotating shafts 53 which are located on the same fixed hanging rods 51 are symmetrically arranged, two supporting rotating shafts 53 which are located on the same fixed hanging rods 51 are in a group, cambered surface plates 54 are rotatably connected to the supporting rotating shafts 53, cambered surfaces are arranged on the cambered surface plates 54 and are used for pressing soft soil, two torsion springs 55 are connected between the cambered surface plates 54 and the supporting rotating shafts 53, and the torsion springs 55 are sleeved on the supporting rotating shafts 53.

The fixing mechanism comprises a sliding push rod frame 61, an inclined plane orifice plate 62, a pressure spring 63, a gear 64, a first rack rod 65, a second rack rod 66, a trapezoid block 67 and a limit round rod 68, wherein the two limit rods of the supporting bottom plate 1 are connected with the sliding push rod frame 61 in a sliding manner, the two sliding push rod frames 61 are symmetrically arranged, an inclined plane orifice plate 62 is fixedly connected between the two sliding push rod frames 61, the inclined plane orifice plate 62 is positioned at the central position of the supporting bottom plate 1, a limit hole is formed in the central position of the inclined plane orifice plate 62, the drill bit 42 is positioned right above the limit hole of the inclined plane orifice plate 62, the inclined plane orifice plate 62 is used for limiting the drill bit 42, the pressure spring 63 is connected between the two limit rods of the supporting bottom plate 1 and the two sliding push rod frames 61 respectively, the pressure spring 63 is sleeved on the limit rods of the supporting bottom plate 1, the four fixed rods of the supporting bottom plate 1 are all rotationally connected with a gear 64, the supporting bottom plate 1 is connected with four first rack rods 65 in a sliding mode, the gear 64 is meshed with the first rack rods 65, two ends of each sliding push rod frame 61 are all connected with second rack rods 66 through bolts, the gear 64 is located between the first rack rods 65 and the second rack rods 66, the second rack rods 66 are meshed with the gear 64, the bottom end face of each first rack rod 65 is connected with a trapezoid block 67 through bolts, the trapezoid block 67 is located above the middle of the two cambered plates 54, the trapezoid blocks 67 are of a trapezoid structure, two limiting round rods 68 are welded on one sides, far away from the inclined plane pore plates 62, of each sliding push rod frame 61, and the limiting round rods 68 are of a cylinder structure.

In actual operation, a worker firstly installs the supporting frame 2 on the external hinge frame through the two installing holes, then lowers the supporting frame 2 into the ocean, the equipment can sink onto the soft soil layer of the ocean due to the gravity of the worker, because the lower parts of the four conical blocks 52 are of cone structures, the four conical blocks 52 are firstly inserted into the soft soil layer due to the gravity, then the inclined plane pore plate 62 falls onto the soft soil layer due to the gravity and is propped by the soft soil layer, the supporting frame is not moved downwards any more, the two sliding push rod frames 61 are not moved downwards any more, at the moment, the supporting bottom plate 1 continues to move downwards, the pressure springs 63 are compressed, the supporting bottom plate 1 is taken as a reference object, the upward movement of the sliding push rod frames 61 can drive the two rack rods 66 to move upwards, the upward movement of the rack rods 66 can drive the gears 64 to rotate, the rotation of the gears 64 can drive the rack rods 65 to move downwards, the first rack bar 65 moves downwards to drive the trapezoid block 67 to move downwards, the trapezoid block 67 moves downwards to be in contact with the two cambered surface plates 54 below at the same time and push the two cambered surface plates 54 to swing in the direction away from each other, the torsion springs 55 are twisted, the two cambered surface plates 54 swing to prop up and press soft soil around the conical block 52, soft soil around the conical block 52 is prevented from collapsing, the supporting area can be enlarged, the four conical blocks 52 can better support and limit the supporting bottom plate 1, the supporting bottom plate 1 is prevented from being impacted to move due to sea water flowing, so that the foundation on the seabed can be stably drilled later, the two sliding pushing rod frames 61 move upwards and drive the inclined plane pore plates 62 to move upwards, the upward movement of the inclined plane pore plates 62 can enable the drill bit 42 to pass through the limiting holes, the inclined plane pore plates 62 limit the drill bit 42 so that the subsequent drill bit 42 can accurately drill holes, at this moment, the staff starts multistage electrohydraulic push rod 3 and motor 41 simultaneously, multistage electrohydraulic push rod 3's telescopic link extension can drive motor 41 and drill bit 42 and move down together, simultaneously motor 41's output shaft rotates and can drive drill bit 42 and rotate, and then make drill bit 42 bore into the ground of seabed, and to the ground in-situ drilling, the weak soil of drilling time can be thrown to inclined plane orifice plate 62 on, supporting baseplate 1 can block the weak soil around inclined plane orifice plate 62 simultaneously, avoid the weak soil to be impacted by the sea water in the hole and bury the hole, after the ground drilling of seabed finishes, the staff closes motor 41, multistage electrohydraulic push rod 3's telescopic link shrink can drive motor 41 and drill bit 42 and upwards reset together, then the staff pulls carriage 2 and rises, make the seabed no longer jack-up inclined plane orifice plate 62, at this moment regard supporting baseplate 1 as the reference thing, pressure spring 63 resets and can drive two slip push rod frames 61 and reset down, slip push rod frame 61 resets and can drive two rack bars 66 and reset down, rack bar 66 reset down can drive gear 64 and reverse, gear 64 reverse can drive rod 65 and trapezoidal piece 67 and reset up together, and two reset plate 67 and reset up, the same time can be broken away from the arc and lift up to the bottom plate 54 simultaneously, the bevel plate 54 is broken away from the same time.

Example 2: on the basis of embodiment 1, as shown in fig. 1-10, the device further comprises a bulldozer mechanism, the bulldozer mechanism is arranged on the drill bit 42, the bulldozer mechanism is used for pushing soft soil generated in the drilling process, the bulldozer mechanism comprises a supporting ring 71, a supporting long rod 72, a compression spring 73 and a spiral bending plate 74, the supporting ring 71 is connected to the upper portion of the drill bit 42 through rivets, the supporting long rod 72 is slidably connected to one side of the supporting ring 71, the supporting long rod 72 is vertically arranged, the compression spring 73 is connected between the supporting ring 71 and the supporting long rod 72, the compression spring 73 is sleeved on the supporting long rod 72, the spiral bending plate 74 is connected to the bottom end face of the supporting long rod 72 through bolts, the spiral bending plate 74 is used for pushing soft soil on the inclined plane orifice plate 62, the spiral bending plate 74 is located above the inclined plane orifice plate 62, and the bottom of the spiral bending plate 74 is in contact with the upper side face of the inclined plane orifice plate 62.

Taking the supporting bottom plate 1 as a reference, the inclined plane orifice plate 62 moves upwards and pushes the spiral bending plate 74 and the supporting long rod 72 to move upwards together, the compression spring 73 is compressed, meanwhile, under the action of the elasticity of the compression spring 73, the spiral bending plate 74 is more closely attached to the upper side surface of the inclined plane orifice plate 62, the supporting ring 71 is driven to rotate while the drill bit 42 rotates, the supporting ring 71 rotates and drives the supporting long rod 72 and the spiral bending plate 74 to rotate together, soft soil thrown out during drilling of the drill bit 42 is pushed to the periphery from the upper surface of the inclined plane orifice plate 62 continuously by the rotation of the spiral bending plate 74, the dug soft soil can be piled up around the holes, so that the soft soil is effectively prevented from being re-buried in the holes, the holes can be tamped around the holes, hole collapse is avoided, the drill bit 42 moves downwards and drives the supporting ring 71 to move downwards, and the inclined plane pore plate 62 props against the spiral bending plate 74, so that the supporting long rod 72 and the spiral bending plate 74 cannot move downwards, and the supporting ring 71 moves downwards to enable the compression spring 73 to be compressed continuously; the drill bit 42 can drive the support ring 71 to upwards reset when upwards resetting, the support ring 71 upwards resets and can not squeeze the compression spring 73 any more, and the compression spring 73 can reset, and then in the soft soil of piling up the upper side of the inclined plane orifice plate 62 is pushed to the supporting baseplate 1 in the drilling process, makes the hole firm and difficult to collapse, thereby improves the quality of foundation drilling.

Example 3: on the basis of embodiment 2, as shown in fig. 1-10, the device further comprises a tamping mechanism, the tamping mechanism is arranged on the supporting base plate 1 and used for tamping soft soil below the inclined plane pore plate 62, the tamping mechanism comprises an arc push plate 81, a tension spring 82, inclined plane push rods 83, hook rod brackets 84 and a curved surface hook rod 85, one arc push plate 81 is slidably connected between two limiting blocks of the supporting base plate 1, the number of the arc push plates 81 is two, the arc push plates 81 are used for pushing soft soil around the inclined plane pore plate 62, the inclined plane pore plate 62 is positioned between the two arc push plates 81, the two arc push plates 81 are symmetrically arranged, tension springs 82 are connected between four limiting blocks of the supporting base plate 1 and the arc push plates 81, each tension spring 82 is sleeved on the arc push plates 81, two sides of the outer wall of each arc push plate 81 are connected with inclined planes 83 through bolts, the two push rods 83 positioned on the same arc push plate 81 are a group, the inclined planes 83 are in contact with one of the hook rods 84 through the middle of the hook rods 84, and the hook rods 84 are positioned on the top of one of the hook rods 84.

Initially, the sliding push rod frame 61 moves upwards and drives the two limiting round rods 68 to move upwards together, the limiting round rods 68 move upwards and are separated from the inclined push rods 83, the spiral bent plate 74 rotates and drives the bent hook rod 85 to rotate, the bent hook rod 85 rotates and drives one of the hook rod frames 84 to move towards the side close to the drill bit 42, one of the hook rod frames 84 drives one of the arc push plates 81 and two of the inclined push rods 83 to move together, the tension springs 82 are compressed, the two inclined push rods 83 move to be contacted with the two limiting round rods 68 respectively and drive the two limiting round rods 68 to move upwards, the two sliding push rod frames 61 are driven to move upwards continuously, the pressure springs 63 are compressed continuously, the inclined plate 62 moves upwards, meanwhile one of the arc push plates 81 moves to push soft soil around the inclined plate 62, soft soil is pushed to the lower side surface of the inclined plane pore plate 62, the curved surface hook rod 85 continuously rotates to be separated from contact with one of the hook rod frames 84, the tension spring 82 resets to drive one of the hook rod frames 84, the arc push plate 81 and two of the inclined plane push rods 83 to reset together, the two inclined plane push rods 83 reset to be separated from contact with two of the limit round rods 68 respectively, at the moment, the inclined plane pore plate 62, the two sliding push rod frames 61 and the four limit round rods 68 downwards move under the action of the elastic force of the pressure spring 63, the inclined plane pore plate 62 downwards moves to squeeze the soft soil on the lower side surface and compact the soft soil under the inclined plane pore plate 62, the curved surface hook rod 85 continuously rotates to be contacted with the other hook rod frame 84 and push the other hook rod frame 84 to move towards the side close to the drill bit 42, the other hook rod frame 84 drives the other arc push plate 81 and the other two inclined plane push rods 83 to move together, the tension spring 82 is compressed, the other two inclined push rods 83 move to be respectively contacted with the other two limit round rods 68, and push the other two limit round rods 68 to move upwards continuously, so that the inclined plane pore plate 62 moves upwards, the other arc push plate 81 moves to push soft soil to the lower side surface of the inclined plane pore plate 62, the curved surface hook rod 85 rotates continuously and is separated from contact with the other hook rod frame 84, the tension spring 82 resets to drive the other hook rod frame 84, the arc push plate 81 and the other two inclined push rods 83 to reset together, the other two inclined push rods 83 reset to be separated from contact with the other two limit round rods 68 respectively, the inclined plane pore plate 62 presses soft soil on the lower side surface downwards under the action of the elasticity of the pressure spring 63, and compacts the soft soil below the inclined plane pore plate 62 repeatedly, so that the periphery of the hole is compacted by the inclined plane pore plate 62, collapse soft soil around the hole is avoided more effectively, and after the hole is drilled, the foundation can be kept the original effectively, the subsequent engineering is performed, and the quality of the foundation is improved effectively; when the sliding push rod frame 61 is reset downwards, the two limiting round rods 68 are driven to be reset downwards together, and the limiting round rods 68 are reset downwards and are contacted with the inclined push rod 83 again.

Example 4: on the basis of embodiment 3, as shown in fig. 2-11, the device further comprises a supporting round rod 91 and a rotating roller 92, wherein the supporting round rod 91 is connected to the outer wall of the spiral bent plate 74 through a bolt, the rotating roller 92 is rotatably connected to the lower part of the supporting round rod 91, the rotating roller 92 is in contact with the lower side surface of the inclined plane pore plate 62, and the rotating roller 92 is used for rolling soft soil on the lower side surface of the inclined plane pore plate 62.

The spiral bent plate 74 rotates and drives the supporting round rod 91 and the rotating roller 92 to rotate together, the rotating roller 92 rotates to continuously crush soft soil on the lower side face of the inclined plane pore plate 62 and compact the soft soil more firmly, so that the soft soil is more firmly built around the holes, the holes are surrounded, and the subsequent sea water is prevented from punching the holes.

Example 5: on the basis of the embodiment 4, as shown in fig. 1-2, the hydraulic machine further comprises a water baffle 10, wherein the water baffle 10 is connected to the lower part of the supporting frame 2 through bolts, and the fixing mechanism, the spiral bending plate 74, the tamping mechanism, the supporting round rod 91 and the rotating roller 92 are all positioned in the water baffle 10.

In the process of drilling by the drill bit 42, the water baffle 10 can protect the periphery, reduce the impact of seawater on the holes, avoid the rapid flowing of the seawater into the holes and the backward flowing of the seawater, impact the holes, influence the construction efficiency, and also can tamp soft soil more rapidly, so as to avoid the loss of soft soil.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A foundation drilling device for ocean engineering construction is characterized in that: including supporting baseplate (1), carriage (2), multistage electrohydraulic push rod (3), motor (41), drill bit (42), stop gear and fixed establishment, the upside of supporting baseplate (1) is equipped with two gag lever posts, four dead levers and four stopper, carriage (2) fixed connection is in the upside of supporting baseplate (1), two mounting holes have been seted up at the top of carriage (2), the intermediate position of multistage electrohydraulic push rod (3) fixed connection in carriage (2) top downside, motor (41) fixed connection is on the telescopic link of multistage electrohydraulic push rod (3), drill bit (42) fixed connection is on the output shaft of motor (41), stop gear establishes on supporting baseplate (1), stop gear is used for spacing the position of supporting baseplate (1), fixed establishment is established on supporting baseplate (1), fixed establishment is used for spacing the position of drill bit (42).

2. A foundation drilling apparatus for marine engineering construction according to claim 1, wherein: stop gear is including fixed peg (51), toper piece (52), support pivot (53), cambered surface board (54) and torsion spring (55), the bottom fixedly connected with of supporting baseplate (1) four fixed pegs (51), two fixed peg (51) are a set of, each the bottom surface of fixed peg (51) all fixedly connected with toper piece (52), each the lower part of toper piece (52) all is the cone structure, each the lower part of fixed peg (51) all fixedly connected with two support pivot (53), two that are located on same fixed peg (51) support pivot (53) are the symmetry setting, are located two on same fixed peg (51) support pivot (53) are a set of, each all rotationally connected with arc panel (54) on support pivot (53), each arc panel (54) are last to be equipped with the cambered surface, each between panel (54) and support pivot (53) all are connected with two torsion springs (55).

3. A foundation drilling apparatus for marine engineering construction according to claim 2, wherein: the fixing mechanism comprises a sliding push rod frame (61), an inclined plane pore plate (62), a pressure spring (63), a gear (64), a first rack rod (65), a second rack rod (66), a trapezoid block (67) and a limiting round rod (68), wherein the sliding push rod frame (61) is connected to the two limiting rods of the supporting base plate (1) in a sliding mode, the inclined plane pore plate (62) is fixedly connected between the sliding push rod frames (61), the inclined plane pore plate (62) is located at the central position of the supporting base plate (1), the limiting holes are formed in the central position of the inclined plane pore plate (62), the drill bit (42) is located right above the limiting holes of the inclined plane pore plate (62), the pressure spring (63) is connected between the two limiting rods of the supporting base plate (1) and the two sliding push rod frames (61) respectively, the gears (64) are connected to the four fixing rods of the supporting base plate (1) in a rotating mode, the first rack rod (65) is connected to the supporting base plate (1) in a sliding mode, the first gear (64) and the first rack rod (65) are meshed with the first rack rod (65) and the second rack rod (66) respectively, the first rack rod (64) and the second rack rod (66) are meshed with the first rack rod (66), and the trapezoid blocks (67) are positioned above the middle of the two cambered surface plates (54), and two limiting round rods (68) are fixedly connected to one side, far away from the inclined plane pore plate (62), of each sliding push rod frame (61).

4. A foundation drilling equipment for ocean engineering construction according to claim 3, wherein: the automatic bulldozing device is characterized by further comprising a bulldozing mechanism, the bulldozing mechanism is arranged on the drill bit (42), the bulldozing mechanism comprises a supporting ring (71), a supporting long rod (72), a compression spring (73) and a spiral bent plate (74), the supporting ring (71) is fixedly connected to the upper portion of the drill bit (42), the supporting long rod (72) is slidably connected to one side of the supporting ring (71), the supporting long rod (72) is vertically arranged, the compression spring (73) is connected between the supporting ring (71) and the supporting long rod (72), the spiral bent plate (74) is fixedly connected to the bottom end face of the supporting long rod (72), the spiral bent plate (74) is located above the inclined-plane orifice plate (62), and the bottom of the spiral bent plate (74) is in contact with the upper side face of the inclined-plane orifice plate (62).

5. A foundation drilling equipment for ocean engineering construction according to claim 4, wherein: the automatic tamping device is characterized by further comprising a tamping mechanism, wherein the tamping mechanism is arranged on the supporting base plate (1), the tamping mechanism comprises an arc-shaped push plate (81), a tension spring (82), inclined plane push rods (83), hook rod frames (84) and curved surface hook rods (85), one arc-shaped push plate (81) is slidably connected between two limiting blocks of the supporting base plate (1), the number of the arc-shaped push plates (81) is two, tension springs (82) are connected between four limiting blocks of the supporting base plate (1) and the arc-shaped push plates (81), each inclined plane push rod (83) is fixedly connected to two outer wall sides of the arc-shaped push plates (81), two inclined plane push rods (83) are arranged on the same arc-shaped push plate (81), the inclined plane push rods (83) are in contact with the limiting round rods (68), the middle positions of the tops of the arc-shaped push plates (81) are fixedly connected with the hook rod frames (84), and the curved surface hook rods (85) are fixedly connected to the spiral plates (74).

6. A foundation drilling equipment for ocean engineering construction according to claim 5, wherein: the rotary roller (92) is rotatably connected to the lower portion of the supporting round rod (91), and the rotary roller (92) is in contact with the lower side face of the inclined plane pore plate (62).

7. A foundation drilling equipment for ocean engineering construction according to claim 6, wherein: still including breakwater (10), breakwater (10) fixed connection is in the lower part of carriage (2), fixed establishment, spiral bent plate (74), ramming mechanism, support round bar (91) and live-rollers (92) all are located breakwater (10).