CN218343696U - Cement mixing pile construction ship in extensive restricted space - Google Patents

Abstract

The utility model relates to a cement mixing pile construction ship in general confined space, including the hull, the hull can satisfy coastal waters navigation limited condition, and hull head both sides and afterbody both sides respectively are equipped with a boats and ships anchor cable and a spud structure at least, and boats and ships anchor cable and spud structure realize the hull jointly in the location and the anchor of mixing pile construction area, are equipped with stake machine equipment on the hull splint, and stake machine equipment is used for constructing cement mixing pile. The hull can normally drive into mixing pile construction area, and the hull is under the location of boats and ships anchor cable and spud pile structure, can guarantee the stability after its location, reduce the possibility of out of control of hull, make the hull can accomplish the mixing pile construction, it has avoided can't getting into the risk that the construction region develoied the construction because of size and tonnage transfinite, and the size and the tonnage of hull are less, can reduce the wave disturbance and the ground disturbance that bring, and then reduce the unfavorable settlement deformation of existing building, and the risk that the existing building of striking caused out of control is littleer.

Description

Cement mixing pile construction ship in extensive restricted space

Technical Field

The utility model relates to a cement mixing stake construction technical field, especially a cement mixing stake construction boats and ships in general restricted space.

Background

The coastal area of China has large economic quantity, the demand of land is increasingly increased under the background of high-speed development of national economy, and the supply and demand of land resources are difficult to reach balance. The hydraulic reclamation as a scientific and efficient construction mode is always the best mode for developing land increment resources in coastal developed areas of China in the foreseeable future. Generally, the outer seawall is firstly constructed to be closed and then blown and filled so as to realize large-scale blowing and filling land reclamation, but the outer seawall construction inevitably encounters a large amount of weak foundations, so that reinforcement of the weak foundations containing ultra-thick sludge layers is necessary, and in recent years, cement mixing piles are generally used as an economic and effective mode for treating the foundations of offshore land reclamation projects.

At present, the cement mixing pile construction of offshore engineering is mostly carried out by adopting a ship method, namely, a large DCM hull is adopted for high-efficiency operation. However, the construction by the method usually needs to be realized in a spacious sea area, and the construction of the cement mixing piles in a 'universal limited space' which is limited in navigation, is close to the existing building and has a large reinforcing amount cannot be implemented, so that the effective development of the construction organization of the cement mixing piles is directly influenced, a working surface cannot be timely provided for the subsequent foundation and superstructure, and the whole construction period is delayed.

The existing large DCM hull construction method mainly has the following defects:

1. under the limited circumstances of navigation, large-scale DCM construction boats and ships can't get into the construction region because of size and tonnage transfinite and carry out the construction to because be in the coastal waters region, the water changes the land construction and faces the problem such as the degree of difficulty is big and the cost is higher, can't satisfy actual demand.

2. The construction is carried out under the condition of being close to the existing building, on one hand, the risk that the ship is out of control to impact the existing building exists, and on the other hand, the unfavorable settlement deformation of the existing building can be generated due to the wave disturbance and the foundation disturbance brought by the large-scale construction ship.

3. The large DCM construction ship has deep draft, has high requirements on offshore depth conditions, and has natural inadaptability during construction under offshore shallow water sea area conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the cement mixing pile construction ship in the widely-limited space is provided, aiming at the problems that when a large DCM ship body construction cement mixing pile is adopted to reinforce offshore engineering in the prior art, the navigation is limited, the cement mixing pile construction ship is close to the widely-limited space with special conditions such as existing buildings and the like, the large DCM construction ship cannot enter a construction area for construction due to size and tonnage overrun, the existing buildings are disadvantageously subjected to settlement deformation due to wave disturbance and foundation disturbance caused by the large construction ship, the risk caused by the fact that the large construction ship is out of control and impacts the existing buildings is higher, and the requirement on water depth conditions is higher.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a cement mixing pile construction boats and ships in general confined space, includes the hull, the hull can satisfy coastal waters navigation restricted condition, hull head both sides and afterbody both sides respectively are equipped with a boats and ships anchor cable and a spud structure at least, boats and ships anchor cable with the spud structure realizes jointly that the hull is in the location and the anchor of the construction area of mixing pile, be equipped with stake machine equipment on the splint of hull, stake machine equipment is used for constructing cement mixing pile.

In the scheme, the ship body needs to meet the limited condition of offshore navigation, namely the size and tonnage condition required by navigation, so that the ship body can normally drive into a construction area of the mixing pile, and the requirement on water depth is low. And the pile machine equipment is arranged on the clamping plate of the ship body and used for constructing the cement mixing pile, so that the mixing pile can be constructed through the ship body on the premise of ensuring the stability of the ship body after the ship body is positioned and on the premise of providing qualified slurry for the ship body.

The hull can guarantee its stability after the location under the location of boats and ships anchor cable and spud structure, reduces the out of control possibility of hull for the construction of stirring stake can be accomplished to the hull, and it has been avoided can't getting into the construction area because of size and tonnage transfinite and has been carried out the construction, and the size and the tonnage of hull are less, can reduce the wave disturbance and the ground disturbance that bring, and then reduce the unfavorable settlement deformation of existing building, and the risk that the existing building of impact caused out of control is littleer.

Preferably, vertically be provided with the slide rail on the splint of hull, sliding connection has at least one base, every on the slide rail the base top is close to the fixed stake machine equipment that is equipped with in hull edge one side, stake machine equipment includes the pylon of vertical setting, the pylon bottom connect in on the base, pylon upper portion pass through the landing leg connect in hull edge one side is kept away from to the base, the unit head is installed at the pylon top, the unit head lower extreme is connected with the drilling rod.

The tower frame, the base and the supporting legs are used for ensuring the stability of the stirring pile in the drill rod construction of the pile machine equipment. When the conditions of large reinforcing quantity and short construction period exist, the work efficiency of the traditional construction method can not meet the requirement, and the traditional large DCM hull does not need to be correspondingly arranged; this scheme is through setting up the slide rail on the splint of hull, and fix stake machine equipment in the base top and be close to hull edge one side fixed, be convenient for construct the stirring stake that corresponds the side, and the quantity of base is at least one, every base corresponds stake machine equipment, can drive stake machine equipment along hull longitudinal movement along the slide rail removal through the base, and change stake machine equipment longitudinal position on the splint of hull, be convenient for adjust the drilling rod of stake machine equipment, a stirring stake for the adjustment needs the construction of counterpointing, also can be under the motionless prerequisite of hull, a stirring stake for counterpointing the difference, reduce the removal of hull, improve stirring stake's whole efficiency of construction and construction quality, and then can shorten the engineering time, satisfy the work efficiency requirement.

Preferably, the hull is kept away from one side of stake machine equipment is equipped with slip casting equipment and power equipment, can balance the weight of stake machine equipment for the left and right sides of hull is balanced, and then the security when guaranteeing stake machine equipment construction stirring stake is higher.

Preferably, the grouting equipment includes mud storage tank and grouting pump, the grouting pump is through sending the thick liquid pipe intercommunication mud storage tank and stake machine equipment, the mud storage tank can stir the thick liquid.

The cement mixing pile has higher requirement on the construction continuity, so that the slurry mixing, slurry conveying and slurry injecting can not be stopped under unnecessary conditions; adopt above-mentioned grouting equipment, can guarantee the continuity of hull construction mixing pile, store up the thick liquid jar simultaneously and can carry out the secondary stirring to the thick liquid, further guarantee the quality of supplying with the thick liquid of stake machine equipment for the construction quality of mixing pile is better.

Preferably, power equipment includes oil storage tank, generator and block terminal, oil storage tank, generator, block terminal and grouting equipment follows the vertical interval distribution of hull for the longitudinal direction of hull and horizontal all more balanced, reduce the horizontal load to the spud structure.

Preferably, every stake machine equipment correspondence is equipped with two the landing leg, two the landing leg is followed hull longitudinal separation sets up the base top, two the landing leg is eight style of calligraphy levels and arranges, stability when can guarantee stake machine equipment construction stirring stake better for safer during construction stirring stake, and the construction quality of stirring stake is higher.

Preferably, the landing leg is extending structure, can adjust the straightness that hangs down of the drilling rod of stake machine equipment, is favorable to improving the construction quality of stirring stake.

Preferably, the hull is equipped with the ladder of stepping on the ship, the ladder of stepping on the ship sets up the hull is kept away from one side of stake machine equipment avoids causing the interference to stake machine equipment construction mixing pile.

Preferably, the longitudinal interval of hull is equipped with threely stake machine equipment is avoiding mutual interference under the prerequisite, guarantees the stability of hull, improves the efficiency of construction simultaneously.

Preferably, the spud pile structure is including locating bearing structure of encorbelmenting on the hull, bearing structure one end of encorbelmenting is connected hull, the other end support of encorbelmenting have a stake base, be fixed with the sleeve pipe of vertical setting on the stake base, the intraductal adaptation of cover is equipped with the spud pile, the spud pile can remove in the sleeve pipe, the spud pile lower extreme is equipped with the movable pulley, the movable pulley can upwards support the spud pile, the stake base or the bearing structure of encorbelmenting is last to be fixed with first leading wheel, first leading wheel with the movable pulley is around being equipped with same haulage rope, the haulage rope is located the coplanar, haulage rope one end is connected with driving system, the other end is fixed to be set up, the both ends of haulage rope are located sheathed tube offside.

The spud structure of this scheme is equipped with bearing structure that encorbelments on boats and ships, and bearing structure that encorbelments is used for encorbelmenting the support base outside boats and ships, and the base is used for the sleeve pipe of fixed vertical setting. The sleeve pipe is used for limiting the positioning pile, keeps the stability and the verticality of the positioning pile, and is used as a limiting channel for the up-and-down movement of the positioning pile. The first guide wheel is fixedly arranged and used for arranging a traction rope and guiding the movement of the traction rope. The lower end of the positioning pile is provided with a movable pulley, and the movable pulley also plays a guiding role in the movement of the traction rope. Power system is connected to haulage rope one end, and the other end is around the roller face of first leading wheel and the roller face of movable pulley then fixed, through first leading wheel and movable pulley around establishing the haulage rope for the haulage rope is located the coplanar, and the both ends of haulage rope are located the sheathed tube offside provides power through power system, makes the haulage rope receive and release and then can change the vertical position of changing the pulley, and the movable pulley can upwards support the spud pile, the haulage rope receive and releases promptly can stably upwards mention the spud pile or transfer the spud pile.

The utility model discloses a spud pile structure, the spud pile can be with the help of the sleeve pipe, the base with encorbelment bearing structure and boats and ships form horizontal spacing, the spud pile lower extreme can be transferred to getting into soil layers such as silt, clay, and then can carry out the level spacingly to boats and ships with the help of seabed soil layer, form dual anchor through setting up anchor cable and spud pile simultaneously, very big reduction boats and ships rock, its stability is higher, and can be used for guaranteeing the attitude stability of boats and ships in the cement mixing pile work progress, the stake position of cement mixing pile can accurate positioning control, the straightness that hangs down can be guaranteed, pile-forming quality has effectively been improved, quality risks such as the construction off normal of the cement mixing pile that causes because of the boats and ships unstability have been reduced. Under the condition of heavy storms, the construction operation can still be carried out. Receive and release through the haulage rope and can stably upwards mention the spud or transfer the spud under emergency, can realize mentioning the spud fast and be convenient for transport, can realize transferring the spud fast and brake, reduced the risk of the existing building of boats and ships striking, the ability of gale is prevented to increase boats and ships, very big reduction the construction safety accident incidence.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. cement mixing pile construction ship in general restricted space, the hull satisfies coastal waters navigation restricted condition, make the hull can normally drive into the construction area of mixing pile, and the hull is under the location of boats and ships anchor rope and spud pile structure, can guarantee the stability after its location, reduce the possibility out of control of hull, make the hull can accomplish the construction of mixing pile, it has been avoided can't getting into the construction area because of size and tonnage transfinite and has been carried out the construction, and the size and the tonnage of hull are less, can reduce the wave disturbance and the ground disturbance that bring, and then reduce the unfavorable settlement deformation of existing building, and the risk that the existing building of the striking of out of control caused is littleer.

2. Cement mixing pile construction ship in general restricted space, through set up the slide rail on the splint at the hull, and fix stake machine equipment in the base top and be close to hull edge one side fixed, be convenient for construct the mixing pile that corresponds the side, and the quantity of base is at least one, every base corresponds a stake machine equipment, can remove drive stake machine equipment along hull longitudinal movement along the slide rail through the base, and then change stake machine equipment longitudinal position on the splint of hull, be convenient for adjust the drilling rod of stake machine equipment, a mixing pile for the adjustment needs the construction to counterpoint, also can be under the motionless prerequisite of hull, a mixing pile for counterpointing the difference, reduce the removal of hull, improve mixing pile's whole efficiency of construction and construction quality, and then can shorten the engineering time, satisfy the work efficiency requirement.

Drawings

FIG. 1 is a schematic plan view of a cement mixing pile construction vessel in a confined space;

FIG. 2 is a schematic side view of a cement mixing pile construction vessel in a confined space;

FIG. 3 is a schematic view showing the arrangement of the end face of a cement mixing pile construction vessel in a confined space;

fig. 4 is a schematic top view of a spud;

FIG. 5 is a schematic plan view of the arrangement of the spud on the cantilever support structure;

FIG. 6 is a schematic diagram of the side surface of the positioning pile arranged on the cantilever support structure;

fig. 7 is a schematic front view of the arrangement of the positioning piles on the cantilever support structure.

Icon: 1, a ship body; 2-a cab; 3-anchor lines of the ship; 4-positioning pile construction; 41-positioning piles; 411-pile body; 4111-a stress plate; 412-pile head; 413-a movable pulley; 42-a limiting wheel; 43-pile base; 431-a rectangular frame structure; 432-diagonal draw member; 433-stiffening plate; 441-a first guide wheel; 442-a second guide wheel; 45-a gearbox; 46-a motor; 461-gear position; 47-a hauling rope; 48-a sleeve; 410-overhanging support structures; 4101-i-beam; 5-a slide rail; 6-a base; 7-a tower; 8-support legs; 9-power head; 10-a drill rod; 11-a slurry storage tank; 12-grouting pump; 13-an oil storage tank; 14-a generator; 15-a distribution box; 16-boarding ladder; 17-a glove box; 18-waste slurry tank.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The embodiment provides a cement mixing pile construction boats and ships in general confined space, refer to fig. 1-7, including hull 1, hull 1 can satisfy coastal waters restricted condition of navigating, 1 head both sides of hull and afterbody both sides respectively are equipped with a boats and ships anchor cable 3 and a spud pile structure 4 at least, boats and ships anchor cable 3 with spud pile structure 4 realizes the location and the anchor of hull 1 in the construction area of mixing pile jointly, be equipped with stake machine equipment on the splint of hull 1, stake machine equipment is used for constructing the cement mixing pile.

In the scheme, the ship body 1 needs to meet the offshore navigation limited condition, namely the size and tonnage condition of the navigation requirement, so that the ship body 1 can normally drive into the construction area of the mixing pile. And be equipped with stake machine equipment on the splint of hull 1, stake machine equipment is used for constructing the cement mixing pile, under the stable prerequisite after guaranteeing hull 1 location to and can provide the prerequisite of qualified thick liquid for hull 1, can be through hull 1 construction mixing pile.

The offshore construction faces severe natural environment conditions, on one hand, the construction precision is affected, the deviation is too large, the subsequent procedures are affected by the deviation, and on the other hand, the overall safety and stability of the ship are endangered by too large wind waves; for the ship body 1 meeting the limited offshore navigation condition, the tonnage is smaller, and the influence of sea waves is larger, so that how to ensure the safety and stability of the ship body is a problem. Meanwhile, the space on the ship is limited, the site cannot be freely planned like the land construction, the requirement on the space utilization rate is high, so that the problem of how to realize the arrangement of pile driver equipment to ensure that the ship body 1 is safe and can carry out the construction of mixing piles is also a problem, and the problem of how to improve the construction efficiency is more challenging.

In fig. 1, each hull 1 has four vessel anchor lines 3, and the four vessel anchor lines 3 can be fixed in the sea by means of marine naval anchors, respectively. As shown in fig. 1-3, a slide rail 5 is longitudinally arranged on a clamping plate of a ship body 1, a base 6 is connected on the slide rail 5 in a sliding manner, pile machine equipment is fixedly arranged on one side, close to the edge of the ship body 1, above the base 6, the pile machine equipment comprises a vertically arranged tower 7, the bottom of the tower 7 is connected onto the base 6, the upper portion of the tower 7 is connected onto one side, far away from the edge of the ship body 1, of the base 6 through a support leg 8, a power head 9 is installed at the top of the tower 7, and the lower end of the power head 9 is connected with a drill rod 10. The tower 7, the base 6 and the supporting legs 8 are used for ensuring the stability of the drill rod 10 of the pile machine equipment during construction of the mixing pile. Wherein, landing leg 8 can adopt can telescopic structure or for the structural style that can lengthen or shorten, can be used for adjusting the straightness that hangs down of drilling rod 10, improves the construction quality of mixing pile. Except that, every stake machine equipment correspondence is equipped with two landing leg 8, two landing leg 8 is followed 1 longitudinal separation of hull sets up 6 tops of base, two landing leg 8 is eight characters type level and arranges, can guarantee the stability when stake machine equipment construction stirring stake better for it is safer when the construction stirring stake, and the construction quality of stirring stake is higher.

When the conditions of large reinforcing quantity and short construction period exist, the work efficiency of the traditional construction method cannot meet the requirement; this scheme is through setting up slide rail 5 on the splint of hull 1, and fix stake machine equipment in 6 tops of base and be close to 1 marginal one side of hull fixed, the stirring stake of the corresponding side of construction of being convenient for, and can drive stake machine equipment along 1 longitudinal movement of hull through 6 removal of slide rail 5 along the base, and then change stake machine equipment longitudinal position on the splint of hull 1, be convenient for adjust the drilling rod 10 of stake machine equipment, a stirring stake for the adjustment needs the construction of counterpointing, also can be under the motionless prerequisite of hull 1, a stirring stake for counterpointing different, reduce the removal of hull 1, improve stirring stake whole efficiency and construction quality, and then can shorten the engineering time, satisfy the work efficiency requirement. In this scheme, with every row of stirring stake divide into the stirring stake of a plurality of groups, the event can be through the removal of stake machine equipment on slide rail 5, and then the stirring stake of different groups of construction. Except that, the hull 1 of this embodiment is equipped with threely altogether stake machine equipment, it is three stake machine equipment is followed hull 1's longitudinal separation sets up on slide rail 5, under the prerequisite of avoiding mutual interference, guarantees hull 1's stability, improves the efficiency of construction simultaneously.

In this embodiment, hull 1 keeps away from one side of stake machine equipment is equipped with slip casting equipment and power equipment, can balance the weight of stake machine equipment for the left and right sides of hull 1 is balanced, and then has higher security when guaranteeing that stake machine equipment construction stirring stake. Grouting equipment includes holding up thick liquid jar 11 and grouting pump 12, grouting pump 12 is through sending the thick liquid pipe intercommunication holding up thick liquid jar 11 and stake machine equipment, holding up thick liquid jar 11 can stir the thick liquid. Adopt above-mentioned grouting equipment, can guarantee the continuity of 1 construction mixing pile of hull, store up thick liquid jar 11 simultaneously and can carry out the secondary stirring to the thick liquid, further guarantee the quality of supplying with the thick liquid of stake machine equipment for the construction quality of mixing pile is better. And the slurry conveying pipe is provided with redundant long sections, so that slurry conveying and slurry injection can be prevented from being influenced even if pile machine equipment moves along the sliding rail 5, and the continuity of the construction mixing pile of the ship body 1 can be ensured. The power equipment comprises an oil storage tank 13, a generator 14 and a distribution box 15, wherein the oil storage tank 13, the generator 14, the distribution box 15 and the grouting equipment are distributed along the longitudinal interval of the ship body 1, so that the ship body 1 is more balanced in the longitudinal direction and the transverse direction, and the horizontal load to the positioning pile structure 4 is reduced.

As shown in fig. 1, in addition to the pile portion provided on the upper side, a grouting pump 12, a slurry tank 11, a distribution box 15, a generator 14, and an oil storage tank 13 are provided in this order from the rear to the front on the lower side of the deck, and the left and right sides of the hull 1 can be balanced. And hull 1 still is equipped with the ladder 16 of going on the boat, and the ladder 16 of going on the boat also sets up the downside on the deck in figure 1, avoids causing the interference with the use of stake machine equipment. And the right end of the hull 1 in fig. 1 is a bow, provided with a cab 2, and the left end is a stern, provided with a glove box 17 and a waste slurry tank 18, so that the bow and the stern of the hull 1 can be balanced.

In this embodiment the spud construction 4 may be of an existing construction, but this implementation provides a more advantageous construction.

As shown in fig. 4-7, the spud structure 4 includes a cantilever support structure 410 disposed on the hull 1, one end of the cantilever support structure 410 is connected to the hull 1, the other end of the cantilever support structure has a pile base 43, a vertically disposed sleeve 48 is fixed on the pile base 43, a spud 41 is disposed in the sleeve 48 in a fitting manner, the spud 41 can move in the sleeve 48, a movable pulley 413 is disposed at a lower end of the spud 41, the movable pulley 413 can upwardly support the spud 41, a first guide wheel 441 is fixed on the pile base 43 or the cantilever support structure 410, the first guide wheel 441 and the movable pulley 413 are wound by a same traction rope 47, the traction rope 47 is located on a same plane, one end of the traction rope 47 is connected to a power system, the other end is fixedly disposed, and two ends of the traction rope 47 are located on opposite sides of the sleeve 48.

The spud construction 4 comprises cantilevered support structures 410 provided on the hull 1, one spud 41 per cantilevered support structure 410. The number of the spuds 41 to be provided and the positions of the spuds to be provided corresponding to the hull 1 may be selected according to the actual circumstances. However, as an option with stronger applicability, generally, four cantilever supporting structures 410 are symmetrically arranged on both sides of the hull 1, that is, four spuds 41 are uniformly arranged on both lateral sides of the hull 1, as shown in fig. 1. The supporting structure 410 that encorbelments is followed hull 1's horizontal setting, it is convenient to set up, and it is little to occupy hull 1's space, and is strong to the spacing ability of the level of hull 1, and stability is high.

Cantilevered support structure 410 may be a plate or beam structure. The bearing structure 410 one end of encorbelmenting is connected hull 1, the other end support of encorbelmenting have a pile base 43, and bearing structure 410 of encorbelmenting is used for encorbelmenting the support pile base 43 outside hull 1 promptly. The pile base 43 is fixed with a vertically arranged sleeve 48, the pile base 43 can also adopt a suspension structure, the shape and the like can be selected, and only the vertically arranged sleeve 48 needs to be fixed. Wherein, both the cantilever support structure 410 and the pile base 43 can not interfere with the vertical arrangement of the casing pipe 48, and the length of the casing pipe 48 can be selected, but should be extended into seawater as much as possible. In this embodiment, as shown in fig. 5 to 7, the cantilever supporting structure 410 includes two i-beams 4101, the two i-beams 4101 are arranged at intervals, the pile base 43 is fixed on the two i-beams 4101, and the sleeve 48 is inserted between the two i-beams 4101, so that the processing is convenient, the stability is strong, and a vertical arrangement space can be provided for the positioning pile 41 and the sleeve 48. And stake base 43 is rectangular frame construction 431, sleeve pipe 48 is fixed to be worn to locate rectangular frame construction 431's middle part, and processing is convenient, can provide vertical setting space for spud 41 and sleeve pipe 48. One side of the rectangular frame structure 431 close to the middle of the ship body 1 is provided with a diagonal member 432, and one end of the diagonal member 432 is connected to the i-beam 4101, so that the stability of the rectangular frame structure 431 can be enhanced. Each corner of the rectangular frame structure 431 is further provided with a stiffening plate 433, so that the stability of the rectangular frame structure 431 can be enhanced.

The positioning pile 41 is arranged in the sleeve 48 in a matched mode, the positioning pile 41 and the sleeve 48 can be steel pipes, and the sleeve is simple in structure, light in self weight, convenient to transport and hoist and the like. The sleeve 48 is used for limiting the position of the positioning pile 41, keeping the stability and perpendicularity of the positioning pile 41 and simultaneously serving as a guide channel for the up-and-down movement of the positioning pile 41. The spud 41 can move in the sleeve 48, the spud 41 lower extreme is equipped with movable pulley 413, movable pulley 413 can upwards support spud 41, pile base 43 or be fixed with first leading wheel 441 on the bearing structure 410 encorbelments, first leading wheel 441 with movable pulley 413 is around being equipped with same haulage rope 47, and first leading wheel 441 is fixed to be set up for set up haulage rope 47, plays the guide effect to haulage rope 47's removal. The movable pulley 413 also guides the movement of the traction rope 47. The pulling ropes 47 are located on the same plane, one end of each pulling rope 47 is connected with a power system, the other end of each pulling rope 47 is fixedly arranged, and two ends of each pulling rope 47 are located on the opposite sides of the sleeves 48. Namely, one end of the traction rope 47 is connected with a power system, the other end of the traction rope 47 is wound around the roller surface of the first guide wheel 441 and the roller surface of the movable pulley 413 and then fixed, the traction rope 47 is wound through the first guide wheel 441 and the movable pulley 413, so that the traction rope 47 is positioned on the same plane, two ends of the traction rope 47 are positioned on the opposite side of the sleeve 48, power is provided by the power system, the traction rope 47 is wound and released, the vertical position of the movable pulley 413 can be changed, the movable pulley 413 can upwards support the spud 41, and the spud 41 can be stably lifted upwards or lowered when the traction rope 47 is wound and released.

As shown in fig. 5 to 7, the power system may include a motor 46, a transmission case 45, and a gear 461, wherein the motor 46 is connected to the transmission case 45, the transmission case 45 is connected to the traction rope 47, and the gear 461 is used for controlling the output power of the motor 46. In addition to the above-described configuration, other known power systems that can provide power for the retraction of the pull-cord 47 may be used.

As shown in fig. 4-7, in this embodiment, the positioning pile 41 may include an upper pile body 411 and a lower pile head 412, the pile head 412 is a pointed structure with a large top and a small bottom, the movable pulley 413 is disposed in the pile head 412, and a rotation shaft of the movable pulley 413 is fixedly connected to the pile head 412. Through the pile head 412 of the tip-shaped structure with a large upper part and a small lower part, the lower end of the positioning pile 41 can enter the seabed soil more easily, and can be combined with the seabed soil more stably, so that the stability of the ship body 1 is enhanced. The movable pulley 413 is arranged in the pile head 412, and the pile head 412 can protect the movable pulley 413 and prevent the movable pulley 413 from being incapable of rotating.

Preferably, the pile head 412 includes four outwardly inclined stress plates 4111 spaced apart from each other along a circumferential direction thereof, four bottoms of the stress plates 4111 converge and connect to form a bottom tip of the pile head 412, each of the stress plates 4111 is fixedly connected to the pile body 411, and a rotation shaft of the movable pulley 413 is fixedly connected to the corresponding stress plate 4111. The four stress plates 4111 are simple in structure and convenient to process, and can respectively bear acting forces from different directions of the seabed from four directions, so that the combination of the lower end of the positioning pile 41 and the seabed soil layer is more stable.

As shown in fig. 4-7, in this embodiment, at least one pair of limiting wheels 42 may be further disposed on the pile base 43, each pair of limiting wheels 42 is disposed opposite to the positioning pile 41, each pair of limiting wheels 42 is adapted to limit the side wall of the positioning pile 41, so that the positioning pile 41 can be further horizontally limited, and the limiting wheels 42 rotate when the positioning pile 41 is raised and lowered, so that the positioning pile 41 is more stably moved up and down along the sleeve 48.

As shown in fig. 6 to 7, in this embodiment, a second guide wheel 442 may be fixedly disposed on the opposite side of the first guide wheel 441 with respect to the sleeve 48, and an end of the traction rope 47 away from the first guide wheel 441 may be overlapped on a wheel surface of the second guide wheel 442. One end of the traction rope 47 far from the first guide wheel 441 may be set up and fixed on the wheel surface of the second guide wheel 442, or may be set up on the wheel surface of the second guide wheel 442 and connected to the pile base 43, and the wheel surface of the second guide wheel 442 can reduce friction on the traction rope 47, so as to protect the end of the traction rope 47 far from the first guide wheel 441 from being damaged. The second guide wheel 442 can guide one end of the traction rope 47 far away from the first guide wheel 441, that is, two ends and the middle of the traction rope 47 are provided with guides, and the first guide wheel 441, the second guide wheel 442 and the movable pulley 413 form a triangular guide structure, so that the positioning pile 41 can be lifted and lowered more stably.

In this embodiment, the two i-beams 4101 and the rectangular frame structure 431 form a positioning frame. The two i-beams 4101, the rectangular frame structure 431, the diagonal tension member 432, the sleeve 48, the positioning pile 41, the motor 46, the gearbox 45, the gear 461 and the like form an aggregate, wherein the motor 46, the gearbox 45, the gear 461 and the like are uniformly distributed on the two i-beams 4101, and the two i-beams 4101 are welded on a deck of the ship body 1. One end of the traction rope 47 is connected with a gearbox 45 positioned in the deck, and the other end of the traction rope firstly passes through the upper pulley sliding surface of the first guide wheel 441, then downwards passes through the lower pulley sliding surface of the movable pulley 413 along with the sleeve 48, then upwards passes through the upper pulley sliding surface of the second guide wheel 442 along with the sleeve 48, and finally is fixed. The positioning pile 41 is used for fixing the stability of a construction operation ship, the positioning pile penetrates through a sleeve fixed on the pile base 43 vertically, a limiting wheel is arranged at the contact position of the positioning pile 41 and the pile base 43, the traction rope 47 is a traction steel wire rope, the traction steel wire rope needs to penetrate through the pile head of the positioning pile, two ends of the traction steel wire rope are connected with the gearbox through a first guide wheel 441 at the bottom of the pile base 43 respectively and are fixed through a second guide wheel 442, the rear end of the gearbox is provided with a motor with a corresponding gear, and the output power of the motor can be controlled. When the positioning pile 41 is installed, the overhanging support structure, the pile base 43 and the sleeve are fixed at four positions which can ensure that the ship is stressed uniformly by welding at the two sides of the bow and the stern; secondly, welding and fixing a power system, specifically comprising a motor, a winch, a gearbox and the like, performing wiring connection, and serving as a ballast of the cantilever support structure; and then hoisting the pile head to enable the pile head to be positioned under the sleeve and penetrate through a traction rope 47, then hoisting the pile body to be placed to the pile head from the inside of the sleeve, forming fixed connection with the pile head, forming the positioning pile integrally, and finally, checking and accepting and testing the pile head to be put into use after no problem exists.

In the process of constructing 4 positioning piles by using the positioning piles, firstly, a ship is driven to a construction area to determine an approximate position, 4 anchor cables are thrown to enable a movable area of the ship to be approximately positioned in the construction area, then the anchor cables are moved to approximately the position of the construction pile, one positioning pile 41 is put down and retested, then the side of the ship is moved, and the other positioning pile 41 on the side is put down to be close to a preset position; and (5) performing retesting again, lifting the positioning pile 41 which is firstly lowered, moving the ship at the side to a preset position, and performing the operation until the stirring drill rod 10 reaches the specified pile position and the deviation is within an allowable range, so as to perform slurry stirring and start cement stirring pile construction. After the skillful operation, the positioning precision requirement can be met by moving for 1-2 times.

In this embodiment the spud pile structure 4, spud pile 41 can be with the help of sleeve pipe 48, stake base 43 and the bearing structure 410 of encorbelmenting form horizontal spacing with hull 1, spud pile 41 lower extreme can be transferred to getting into soil layers such as silt, clay, and then can carry out the level spacing with the help of seabed soil layer to hull 1, form dual anchor through setting up boats and ships anchor cable 3 and spud pile 41 simultaneously, very big reduction hull 1 rocks, its stability is higher, and the attitude stability of boats and ships in the cement mixing pile work progress has been guaranteed, the pile position of cement mixing pile can accurate positioning control, the straightness that hangs down can be guaranteed, pile-forming quality has effectively been improved, quality risks such as the construction off normal of the cement mixing pile because of the boats and ships unstability causes have been reduced. Under the condition of large wind waves, the construction operation can still be carried out. Can stably upwards mention spud 41 or transfer spud 41 through receiving and releasing haulage rope 47 under emergency, can realize mentioning the aversion of spud 41 boats and ships of being convenient for fast, can realize transferring spud 41 fast and brake, reduced the risk of boats and ships striking existing building, increase boats and ships prevent the ability of gale, very big reduction the construction safety production accident rate, have good technological popularization meaning. The structure is divided into seven parts, namely a cantilever supporting structure 410, a pile base 43, a pile body, a pile head, a traction system consisting of a power system, a traction rope and the like, a limiting system consisting of a sleeve and the like, by adopting a separated structure, the ship can be used only by simply assembling, welding and fixing on site, the reconstruction cost is low, and the reconstruction speed is high.

This embodiment cement mixing pile construction boats and ships in general confined space, hull 1 satisfies coastal waters navigation restricted condition, make hull 1 can normally drive into the construction area of mixing pile, and hull 1 is under the location of boats and ships anchor cable 3 and spud pile structure 4, can guarantee the stability after its location, reduce hull 1 possibility out of control, make the construction of mixing pile can be accomplished to hull 1, it has been avoided can't get into the construction area because of size and tonnage transfinite and has been carried out the construction, and the size and the tonnage of hull 1 are less, can reduce the wave disturbance and the ground disturbance that bring, and then reduce the unfavorable deformation of subsiding of existing building, and the risk that the existing building of out of control striking caused is littleer.

The cement mixing pile construction ship in the extensive restricted space has the following characteristics:

1. the cement mixing pile construction ship can meet the navigation requirements related to maritime affairs, can also adapt to severe natural conditions such as shallow water areas, big storms and the like, and has high applicability;

2. the novel double-positioning device for the cement mixing pile construction ship has the advantages that the ship anchor cable 3 and the positioning pile structure 4 for construction are arranged in the ship construction process, so that the stability requirement required by the construction of the cement mixing pile on water can be met while the requirement of protecting the existing building is met;

3. this novel cement mixing stake construction ship naturally possesses the small-tonnage condition under the restricted condition of navigation, has reduced the loss risk that the existing building of boats and ships striking brought on the one hand, and the disturbance that on the other hand small-tonnage boats and ships break down the location and the construction is brought is less relatively, avoids bringing great settlement and horizontal displacement deformation to existing building.

4. The verticality of the drill rod 10 can be dynamically adjusted in two directions by adjusting the ballast water and the height of the splay-shaped support at the rear side of the tower 7, so that the verticality of a pile body is ensured, and the pile forming effect is greatly improved;

5. when the drill bit is close to the position of the water surface, marking zero scale below a power head 9 on the tower 7, extending downwards to the bottom of the tower 7, converting the drilling depth by a measurer through water level acquisition and reporting to an operator, thereby eliminating the influence of tide level change on the pile length to the maximum extent;

6. after reasonable planning, three cement mixing pile machines, four positioning piles 41, a generator 14, an oil storage tank 13, a slurry storage tank 11, six secondary slurry pumps, a three-stage electric box, a foreign material area, a waste slurry tank 18 and other equipment are arranged in a relatively compact deck space, so that the space of a ship is utilized to the maximum extent;

7. the construction can be participated in by adopting a plurality of novel cement mixing pile construction ships in a linear construction area through multipoint arrangement, meanwhile, construction is carried out on the ships in a mode of parallel arrangement of three pile machines, 6 piles can be simultaneously constructed by drilling down each ship once, and the construction efficiency is greatly improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a cement mixing pile construction boats and ships in general confined space, a serial communication port, including hull (1), hull (1) can satisfy coastal waters navigation limited condition, hull (1) head both sides and afterbody both sides respectively are equipped with a boats and ships anchor cable (3) and a spud structure (4) at least, boats and ships anchor cable (3) with spud structure (4) realize the location and the anchor of hull (1) in the construction zone of mixing pile jointly, be equipped with stake machine equipment on the splint of hull (1), stake machine equipment is used for constructing the cement mixing pile.

2. The cement mixing pile construction ship in the extensively restricted space of claim 1, characterized in that, be provided with slide rail (5) along vertically on the splint of hull (1), sliding connection has at least one base (6) on slide rail (5), every base (6) top is close to hull (1) edge one side and is fixed to be equipped with stake machine equipment, stake machine equipment includes pylon (7) of vertical setting, pylon (7) bottom connect in on base (6), pylon (7) upper portion pass through landing leg (8) connect in hull (1) edge one side is kept away from in base (6), unit head (9) are installed at pylon (7) top, unit head (9) lower extreme is connected with drilling rod (10).

3. The cement mixing pile construction ship in the ubiquitous confined space of claim 2, wherein a grouting apparatus and an electric apparatus are provided to one side of the hull (1) far from the pile driver apparatus.

4. The ship for cement mixing pile construction in the widely restricted space according to claim 3, wherein the grouting equipment comprises a slurry storage tank (11) and a grouting pump (12), the grouting pump (12) is communicated with the slurry storage tank (11) and the pile machine equipment through a slurry feeding pipe, the slurry feeding pipe has a redundant long section, and the slurry storage tank (11) can stir slurry.

5. The cement mixing pile construction vessel in a widely confined space according to claim 3, wherein said electric power equipment comprises an oil storage tank (13), a generator (14) and a distribution box (15), said oil storage tank (13), generator (14), distribution box (15) and said grouting equipment being distributed at intervals longitudinally along said hull (1).

6. The cement mixing pile construction ship in the pan confined space of claim 2, characterized in that, every said stake machine equipment correspondence is equipped with two landing legs (8), two landing legs (8) are followed hull (1) longitudinal separation sets up base (6) top, two landing legs (8) are eight characters horizontal arrangement.

7. A vessel for cement mixing pile construction in a widely confined space according to claim 2, characterized in that said legs (8) are of telescopic construction.

8. The cement mixing pile construction vessel in a widely confined space according to claim 2, characterized in that said hull (1) is provided with a boarding ladder (16), said boarding ladder (16) being provided at a side of said hull (1) remote from said pile machine equipment.

9. The cement mixing pile construction ship in the general confined space according to claim 2, characterized in that the hull (1) is provided with three said pile driver devices at longitudinal intervals.

10. A cement mixing pile construction vessel in a totally confined space as claimed in any one of claims 1-9, wherein said spud construction (4) comprises an overhanging support structure (410) on said hull (1), said overhanging support structure (410) having a pile base (43) supported by one end connected to said hull (1) and the other end, a vertically disposed sleeve (48) fixed on said pile base (43), a spud (41) fitted inside said sleeve (48), said spud (41) being movable inside said sleeve (48), said spud (41) having a movable pulley (413) at its lower end, said movable pulley (413) being capable of supporting said spud (41) upwards, a first guide wheel (441) fixed on said pile base (43) or said overhanging support structure (410), said first guide wheel (441) and said movable pulley (413) being provided with a common hauling rope (47), said hauling rope (47) being located in the same plane, said hauling rope (47) having one end connected to a power system and the other end fixed to said traction system, said hauling rope (47) being located at the opposite side of said sleeve (48).

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