CN217231827U - Pile stabilizing frame for sinking piles of offshore wind power inclined pile group - Google Patents
Pile stabilizing frame for sinking piles of offshore wind power inclined pile group Download PDFInfo
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- CN217231827U CN217231827U CN202121224097.6U CN202121224097U CN217231827U CN 217231827 U CN217231827 U CN 217231827U CN 202121224097 U CN202121224097 U CN 202121224097U CN 217231827 U CN217231827 U CN 217231827U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model relates to a steady pile frame that is used for marine wind power batter pile crowd pile sinking, steady pile frame includes: the device comprises a support frame, a first limiting frame and a second limiting frame, wherein the first limiting frame and the second limiting frame are respectively arranged at two opposite ends of the support frame, a rotatable first inclined pile positioning mechanism is arranged on the first limiting frame, a plurality of second inclined pile positioning mechanisms are arranged on the second limiting frame, and the projection area of the first limiting frame is smaller than or equal to that of the second limiting frame on the horizontal plane. According to the utility model discloses a steady pile frame can realize hanging the stake to the batter pile to the fixed and gradient adjustment of a plurality of batter piles, need not to remove the ship position many times, has reduced the safety risk on the one hand, and on the other hand can practice thrift the process, promotes pile sinking efficiency, and then practices thrift installation cost. And through setting up rotatable second batter pile positioning mechanism, with the cooperation of a plurality of first batter pile positioning mechanism, can alleviate the whole weight of equipment, reduce the production installation degree of difficulty, practice thrift the cost.
Description
Technical Field
The utility model belongs to the technical field of marine pile construction technique and specifically relates to a steady pile frame that is used for marine wind power batter pile crowd pile sinking.
Background
In the 21 st century, offshore wind power becomes an important strategic energy source, more and more countries begin to vigorously build wind power plants, wherein a large part of the wind power plants are located in intertidal zones, and intertidal zone construction is one of important research objects of offshore wind power project construction. The pile foundation construction is one of the key contents of offshore wind power projects, and the selection of pile sinking processes is directly influenced by the water depth condition and the geological condition of the pile foundation construction. Meanwhile, inclined pile groups with the advantages of high bearing capacity, good stability and the like are mostly adopted for offshore wind power group pile foundation construction.
The intertidal zone wind power project is generally in the near-shore shoal area which is not covered during construction, has strong wind and wave, has bad operation sea conditions and is seriously influenced by the monsoon climate. Because the water depth is shallow, the common piling ship can not meet the draught requirement, so that pile sinking construction is difficult; meanwhile, the single pile sequentially sinking device is adopted, so that the construction efficiency is low, the potential safety hazard is large, and the average cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a pile stabilizing frame for offshore wind power inclined pile group pile sinking, which can improve pile sinking efficiency and pile sinking accuracy.
In order to achieve the above object, the utility model provides a steady pile frame for offshore wind power batter pile crowd pile sinking takes following technical scheme: steady pile frame includes the support frame and sets up first spacing and the spacing of second at the relative both ends of support frame respectively, be equipped with rotatable first batter pile positioning mechanism on the first spacing, be equipped with a plurality of second batter pile positioning mechanism on the spacing of second, wherein, on the horizontal plane, the projection area less than or equal to the projection area of the spacing of second of first spacing, the central axis of a plurality of second batter pile positioning mechanism is the same apart from the central axis of support frame, and first batter pile positioning mechanism rotates around the central axis of support frame, make the structure of steady pile frame can the symmetry rule set up from this, make steady pile frame focus at the during operation more steady, promote the stability of steady pile frame during operation.
The working principle is as follows: spacing a plurality of second batter pile positioning mechanism that is equipped with of second fixes a plurality of batter piles, carry out inclination direction adjustment and fixed to the upper end of one of them batter pile through first batter pile positioning mechanism, cooperation through second batter pile positioning mechanism and first batter pile positioning mechanism realizes adjusting and fixing this batter pile inclination, after this batter pile sinking targets in place, rotate first batter pile positioning mechanism to next batter pile department, carry out inclination direction adjustment and fixed to the upper end of this batter pile, target in place until whole batter pile sinking.
The utility model has the advantages that: the batter pile has characteristics such as diameter is big, length is long, weight is big usually, through second batter pile positioning mechanism and a plurality of first batter pile positioning mechanism's cooperation, can realize fixed and the gradient adjustment to a plurality of batter piles, need not to remove the ship position many times and hangs the stake to the batter pile, has reduced the safety risk on the one hand, and on the other hand can practice thrift the process, promotes pile sinking efficiency, and then practices thrift installation cost. The rotatable second inclined pile positioning mechanism is matched with the plurality of first inclined pile positioning mechanisms, so that the overall weight of the equipment can be reduced, the production and installation difficulty can be reduced, and the cost can be saved; in the horizontal plane, the projection area of the first limiting frame is smaller than or equal to that of the second limiting frame, so that the pile stabilizing frame is more stable in work, and the stability of the pile stabilizing frame is improved.
Optionally, the first batter pile positioning mechanism includes a telescopic bearing frame, the two opposite sides of the bearing frame are provided with first movable frames, the first positioning opening is defined by the first movable frames of the bearing frame and the two sides together, and the bearing frame stretches along the direction of approaching to or keeping away from the first positioning opening. The bearing frame can play fine supporting role to the batter pile when sinking the stake, can follow the orientation that is close to or keeps away from first locating hole through setting up the bearing frame and stretch out and draw back, can make the bearing frame adjust the different design gradient of batter pile better, stretch out the bearing frame orientation when carrying out the gradient adjustment to the batter pile and be close to first locating hole or the orientation that is close to the batter pile, support fixedly to the batter pile when the batter pile sinks the stake, when the batter pile sinks the stake to target in place, can keep away from first locating hole or keep away from the orientation withdrawal of batter pile with the bearing frame orientation, make first locating hole deviate from the batter pile easily, the convenience is torn open out steady pile frame from the batter pile.
Optionally, the contained angle of the flexible direction of bearing frame and horizontal plane equals the contained angle of batter pile and vertical direction, and is obvious, in vertical direction, the batter pile is the slope, so set up to make the bearing frame equal the atress of batter pile and the normal direction of bearing frame contact surface to the axial holding power of batter pile, so make the flexible equipment of drive bearing frame can reduce the specification, practice thrift the cost, can alleviate the weight that steady pile frame is close to first spacing frame direction simultaneously, promote the stability of steady pile frame during operation.
Alternatively, the first moving frame may move in a radial direction of the first positioning port. First removal frame is close to and contacts the batter pile along the radial direction of first locating hole and can carry out the adjustment and the assistance-localization real-time of gradient to the batter pile better from being different in the bearing frame to the support direction of batter pile, and when the batter pile was kept away from to the radial direction of first locating hole along first removal frame, can make first batter pile locating frame more conveniently deviate from the batter pile.
Optionally, the first movable frame is provided with a first sliding wheel at one end close to the first positioning opening, and the surface of the first sliding wheel is a curved surface and can rotate, so that the friction force generated when the first sliding wheel is in contact with the batter pile can be reduced, and the possibility that paint on the surface of the batter pile is scraped and falls off is reduced.
It should be noted that the number of the first sliding wheels may be one or more, for example, two, and may be set as required.
Optionally, two opposite sides of the bearing frame are further provided with slidable sliding portions, the first movable frame is arranged on the sliding portions, the sliding direction of the sliding portions forms a certain angle with the moving direction of the first movable frame, so that when the first batter pile positioning mechanism needs to fix and adjust the inclination of a batter pile, the sliding portions slide to drive the first movable frame to move and extend in the direction close to the batter pile, after the sliding portions slide in place, the first movable frame moves in the radial direction of the first positioning opening to be close to the batter pile, when the first batter pile positioning mechanism finishes working, the first movable frame keeps away from the batter pile in the radial direction of the first positioning opening and moves in place, the sliding portions carry the first movable frame to move and retract in the direction away from the batter pile, so that the first batter pile positioning mechanism can easily disengage from the batter pile, and the size of the first limiting frame is smaller when the first limiting frame does not work, and the pile stabilizing frame is more convenient to move and move, Assembling and transporting. Preferably, the sliding direction of the sliding part is perpendicular to the moving direction of the first moving frame, so that the sliding stroke when the sliding part moves from the non-operating position to the operating position can be better shortened.
Optionally, the bottom of the sliding part is provided with a plurality of rollers, the rollers are arranged between the bottom of the sliding part and one side surface of the first limiting frame far away from the second limiting frame, friction force between the sliding part and the first limiting frame when the sliding part slides can be reduced, and the sliding part can slide more easily.
Optionally, the first batter pile positioning mechanism further includes a fixing portion, the sliding portion is disposed on the fixing portion, the sliding portion is slidable with respect to the fixing portion, the fixing portion is provided with a plurality of rollers, and the bottom of the sliding portion contacts with outer surfaces of the rollers.
Optionally, the first batter pile positioning mechanism further comprises a universal wheel assembly, and the bottom of the universal wheel assembly is in surface contact with one side of the first limiting frame, which is far away from the second limiting frame, so that the friction force between the first batter pile positioning mechanism and the first limiting frame during rotation can be reduced.
Optionally, second batter pile positioning mechanism includes the second location mouth, circumference along the second location mouth is equipped with a plurality of second and removes the frame, the second removes the radial direction removal that the frame can follow the second location mouth, can fix a position fixedly to the batter pile better, promote the stability of second batter pile positioning mechanism when fixing a position fixedly to the batter pile, when the radial direction along the second location mouth is kept away from the batter pile to the second removal frame, can make the batter pile positioning frame more conveniently deviate from the batter pile. In addition, after the inclined pile sinking is finished, the inclination of the inclined pile can be finely adjusted by adjusting the position of the second movable frame, and the accuracy and the precision of the inclination of the inclined pile are guaranteed.
Optionally, one end of the second moving frame, which is close to the peripheral wall of the second positioning opening, is provided with a second sliding wheel, and the surface of the second sliding wheel is a curved surface and can rotate, so that the friction force generated when the second sliding wheel is in contact with the batter pile can be reduced, and the possibility that paint on the surface of the batter pile is scraped and falls off is reduced.
It should be noted that the second sliding wheel may be one or more, for example, two, and may be provided according to needs.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a plan view of a partial structure of a pile stabilizer frame according to an embodiment of the present invention;
fig. 2 is an angular cross-sectional view of a pile stabilizer according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of another angle of the pile frame according to an embodiment of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is a top view of a first restraint bracket according to an embodiment of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
fig. 7 is a top view of a first batter pile positioning mechanism according to an embodiment of the present invention;
fig. 8 is a plan view of a partial structure of a second spacing frame according to an embodiment of the present invention.
Reference numerals are as follows:
a pile stabilizing frame 1, an inclined pile 2, an anchor pile 3,
a support frame 10, a first limit frame 20, a first inclined pile positioning mechanism 21, a bearing frame 211, a pulley 2112, a first moving frame 212, a first sliding wheel 213, a sliding part 214, a roller 215, a universal wheel component 216, a fixing part 217,
a first positioning opening a, a second positioning opening b, an anchor pile mounting position c,
a second limit frame 30, a second inclined pile positioning mechanism 31, a second moving frame 311 and a second sliding wheel 312.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention are combined below to describe the technical solutions of the present invention clearly and completely. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
A pile stabilizing frame 1 according to an embodiment of the present invention is described below with reference to fig. 1 to 8.
As shown in fig. 1-4, a pile stabilizing frame 1 for offshore wind power batter pile group pile sinking according to the embodiment of the present invention includes a support frame 10 and a first limiting frame 20 and a second limiting frame 30 respectively disposed at two opposite ends of the support frame 10.
Specifically, be equipped with rotatable first batter pile positioning mechanism 21 on the first spacing 20, be equipped with a plurality of second batter pile positioning mechanism 31 on the spacing 30 of second, wherein, on the horizontal plane, the projection area less than or equal to spacing 30 of second of first spacing 20, the central axis of a plurality of second batter pile positioning mechanism 31 is the same apart from the distance of the central axis of support frame 10, and first batter pile positioning mechanism 21 rotates around the central axis of support frame 10, make the structure of steady pile frame 1 can the symmetry rule set up from this, make steady pile frame 1 focus at the during operation more steady, promote the stability of steady pile frame 1 during operation.
The working principle of the pile stabilizing frame 1 is as follows: spacing 30 of second is equipped with a plurality of second batter pile positioning mechanism 31 and fixes a plurality of batter piles 2, carry out inclination direction adjustment and fixed to the upper end of one of them batter pile 2 through first batter pile positioning mechanism 21, realize adjusting and fixing this batter pile 2 inclination through the cooperation of second batter pile positioning mechanism 31 and first batter pile positioning mechanism 21, after this batter pile 2 pile sinking targets in place, rotate first batter pile positioning mechanism 21 to next batter pile 2 department, carry out inclination direction adjustment and fixed to the upper end of this batter pile 2, until whole batter pile 2 pile sinking targets in place.
It should be noted that the first limiting frame 20 and the second limiting frame 30 are detachably connected to the supporting frame 10, so that the assembly and disassembly are convenient, and the transportation and the movement are convenient.
It should be noted that the number of the second batter pile positioning mechanisms 31 may be set according to the need, for example, 4, 5, 6, 7, 8, etc.
In some embodiments, the first limiting frame 20 and the second limiting frame 30 are made of i-steel, and the support frame 10 is made of trusses with different sizes, so that the overall weight of the pile stabilizing frame 1 can be reduced, the structural strength of the pile stabilizing frame 1 can be guaranteed, and the specification of a hoisting device for hoisting the pile stabilizing frame 1 can be reduced.
In some embodiments, the first limiting frame 20 and the second limiting frame 30 are made of i-steel, the support frame 10 is made of steel pipe truss, the first limiting frame 20 is at the upper end of the support frame 10, the second limiting frame 30 is at the lower end of the support frame 10, the construction of multiple batter piles 2 can be completed by matching with a flat top barge and a crawler crane during pile sinking, and after practical effect verification, the construction of 6 batter piles 2 with the diameter of 1.4m and the length of 71m can be completed in three days, and the construction has 6: 1, the pile sinking operation of the quincuncial piles with the inclination rate greatly improves the working efficiency, is simple to operate, has low safety risk and high overall construction quality, and effectively reduces the cost.
As shown in fig. 3-6, optionally, the first batter pile positioning mechanism 21 includes a telescopic bearing frame 211, two opposite sides of the bearing frame 211 are provided with first movable frames 212, the bearing frame 211 and the first movable frames 212 on the two sides jointly define a first positioning opening a, and the bearing frame 211 is telescopic in a direction toward or away from the first positioning opening a. Bearing frame 211 can play fine supporting role to batter pile 2 when sinking the stake, can follow the direction that is close to or keeps away from first locating port an through setting up bearing frame 211 and stretch out and draw back, can make bearing frame 211 adjust the different design gradients of batter pile 2 better, stretch out bearing frame 211 orientation near first locating port a or the direction that is close to batter pile 2 when carrying out the gradient adjustment to batter pile 2, support when 2 pile sinking of batter pile fixed batter pile 2, when 2 pile sinking of batter pile targets in place, can with the bearing frame 211 orientation keep away from first locating port a or keep away from the direction withdrawal of batter pile 2, make first locating port a deviate from batter pile 2 easily, the convenience is torn down steady pile frame 1 from batter pile 2.
Optionally, the contained angle of the flexible direction of bearing frame 211 and horizontal plane equals the contained angle of batter pile 2 and vertical direction, and is obvious, in vertical direction, batter pile 2 is the slope, so set up to make the bearing frame 211 equal to the atress of the normal direction of batter pile 2 and bearing frame 211 contact surface to the axial holding power of batter pile 2, so make the flexible equipment of drive bearing frame 211 can reduce the specification, practice thrift the cost, can alleviate the steady pile frame 1 and be close to the weight of first spacing 20 directions simultaneously, promote the stability of steady pile frame 1 during operation.
As shown in fig. 5 and 6, optionally, one end of the bearing frame 211 close to the first positioning opening a is provided with a pulley 2112, and when the bearing frame 211 supports and positions the batter pile 2, the pulley 2112 contacts with the batter pile 2, so that the friction force when the bearing frame 211 contacts with the batter pile 2 can be reduced, and the possibility that paint on the surface of the batter pile 2 is scraped and falls off is reduced.
It should be noted that the number of the pulleys 2112 may be one or more, for example, two, and may be set as needed.
As shown in fig. 3 and 4, the two pulleys 2112 are arranged side by side, so that the friction force generated when the bearing frame 211 is in contact with the inclined pile 2 can be better reduced, and the possibility that paint on the surface of the inclined pile 2 is scraped and falls off is reduced.
As shown in fig. 3 to 6, the first moving frame 212 may be optionally moved in a radial direction of the first locating port a. First removal frame 212 is close to and contacts batter pile 2 along the radial direction of first locating hole a and can carry out the adjustment and the assistance-localization real-time of gradient to batter pile 2 better from being different from the bearing frame 211 to the support direction of batter pile 2, and when first removal frame 212 kept away from batter pile 2 along the radial direction of first locating hole a, can make first batter pile 2 locating rack more conveniently deviate from batter pile 2.
As shown in fig. 3 to 6, optionally, a first sliding wheel 213 is disposed at an end of the first moving frame 212 close to the first positioning opening a, and since the surface of the first sliding wheel 213 is curved and can rotate, friction force generated when the first sliding wheel 213 contacts with the batter pile 2 can be reduced, and the possibility that paint on the surface of the batter pile 2 is scraped and falls off is reduced.
As shown in fig. 3-6, optionally, two opposite sides of the bearing frame 211 are further provided with slidable sliding portions 214, the first movable frame 212 is disposed on the sliding portions 214, a sliding direction of the sliding portions 214 forms an angle with a moving direction of the first movable frame 212, so that when the first batter pile positioning mechanism 21 needs to fix and adjust the tilt of the batter pile 2, the sliding portions 214 slide to drive the first movable frame 212 to move and extend toward the direction close to the batter pile 2, after the sliding portions 214 slide to a proper position, the first movable frame 212 moves and approaches the batter pile 2 along a radial direction of the first positioning opening a, when the first batter pile positioning mechanism 21 finishes working, the first movable frame 212 moves and retracts away from the batter pile 2 along the radial direction of the first positioning opening a, so that the first batter pile positioning mechanism 21 is more easily separated from the batter pile 2, meanwhile, the first limiting frame 20 is smaller in size when not in work, so that the pile stabilizing frame 1 is more convenient to move, assemble and transport.
Preferably, the sliding direction of the sliding part 214 is perpendicular to the moving direction of the first moving frame 212, which can simplify the structure and shorten the stroke of the sliding part 214 from the non-operating position to the operating position.
As shown in fig. 5 to 7, optionally, a plurality of rollers 215 are disposed at the bottom of the sliding portion 214, and the rollers 215 are disposed between the bottom of the sliding portion 214 and a side surface of the first limiting frame 20 away from the second limiting frame 30, so as to reduce friction between the sliding portion 214 and the first limiting frame 20 when the sliding portion 214 slides, and make the sliding portion 214 slide more easily.
As shown in fig. 7, optionally, the first batter pile positioning mechanism 21 further includes a fixing portion 217, the sliding portion 214 is disposed on the fixing portion 217, the sliding portion 214 is slidable with respect to the fixing portion 217, a plurality of rollers 215 are disposed between the sliding portion 214 and the fixing portion 217, a top of the sliding portion 214 and a bottom of the sliding portion 214 contact with outer surfaces of the rollers 215, and the sliding portion 214 is fixed on the first limiting frame 20 through the fixing portion 217, so that stability of the sliding portion 214 can be improved.
As shown in fig. 5-7, optionally, the first batter pile positioning mechanism 21 further includes a universal wheel assembly 216, and a bottom of the universal wheel assembly 216 contacts a side surface of the first limiting frame 20 away from the second limiting frame 30, so as to reduce friction between the first batter pile positioning mechanism 21 and the first limiting frame 20 when rotating.
As shown in fig. 1 and 8, optionally, the second batter pile positioning mechanism 31 includes a second positioning opening b, a plurality of second moving frames 311 are arranged along the circumferential direction of the second positioning opening b, the second moving frames 311 can move along the radial direction of the second positioning opening b, so as to better position and fix the batter pile 2, improve the stability of the second batter pile positioning mechanism 31 when positioning and fixing the batter pile 2, and enable the second batter pile 2 positioning frame to more conveniently disengage from the batter pile 2 when the second moving frames 311 are far away from the batter pile 2 along the radial direction of the second positioning opening b. In addition, after the pile sinking of the batter pile 2 is completed, the inclination of the batter pile 2 can be finely adjusted by adjusting the position of the second moving frame 311, so that the accurate accuracy of the inclination of the batter pile 2 is guaranteed.
Preferably, the plurality of second movable frames 311 are uniformly arranged along the circumferential direction of the second positioning hole b, so that the second movable frames 311 are stressed more uniformly when contacting the batter pile 2, and the stability of the batter pile 2 is improved.
As shown in fig. 8, optionally, a second sliding wheel 312 is disposed at an end of the second moving frame 311 close to the peripheral wall of the second positioning opening b, and since the surface of the second sliding wheel 312 is a curved surface and can rotate, the friction force generated when the second sliding wheel 312 contacts the batter pile 2 can be reduced, and the possibility that paint on the surface of the batter pile 2 is scraped and falls off can be reduced.
It should be noted that the second sliding wheels 312 may be one or more, for example, two, and may be provided according to needs.
As shown in fig. 1 and 8, optionally, a plurality of anchor pile mounting locations c are further provided on the second limiting frame 30, and when the pile stabilizing frame 1 works at sea, the pile stabilizing frame 1 is fixed at sea by the anchor piles 3 being mounted to the anchor pile mounting locations c.
According to the utility model discloses pile sinking method for foretell steady pile frame 1, include: installing a plurality of inclined piles 2 on the pile stabilizing frame 1, and fixing the inclined piles 2 on a second inclined pile positioning mechanism 31 of a second limiting frame 30; one oblique pile 2 is adjusted and positioned through a first oblique pile positioning mechanism 21; the inclined pile 2 is driven to sink in place; rotate first batter pile positioning mechanism 21 and adjust the location to next batter pile 2 department to hit this batter pile 2 and hit the pile sinking and target in place, repeat above-mentioned action and target in place until a plurality of batter piles 2 are all installed, can reduce from this and remove the number of times that the ship position hung the stake, reduced the safety risk, on the other hand can practice thrift the process, promotes pile sinking efficiency, and then practices thrift installation cost. And through the cooperation of second batter pile positioning mechanism 31 with a plurality of first batter pile positioning mechanism 21, can reduce the installation construction cost of batter pile 2 when greatly promoting the installation effectiveness of batter pile 2.
Optionally, driving the batter pile 2 into position comprises: primarily driving the inclined pile 2 by using a vibration hammer, and then striking the inclined pile 2 by using an impact hammer until the upper end of the inclined pile 2 is a first distance away from the first limiting frame 20; moving the first inclined pile positioning mechanism 21 towards the direction away from the inclined pile 2, so that the inclined pile 2 is separated from the first inclined pile positioning mechanism 21; and finally striking the inclined pile 2 by using an impact hammer to sink the pile in place. The inclined pile 2 is driven primarily by the vibration hammer, and the impact hammer is used for striking the inclined pile 2 until the upper end of the inclined pile 2 is far away from the first limiting frame 20 to a first distance, so that the soil penetration depth and stability of the inclined pile 2 can be increased. Moving the first inclined pile positioning mechanism 21 towards the direction away from the inclined pile 2, so that the inclined pile 2 is separated from the first inclined pile positioning mechanism 21; at the moment, the hammer body is not blocked, and the impact hammer is used for hammering the inclined pile 2 until the designed elevation is reached.
Optionally, before installing a plurality of batter piles 2 on the pile stabilizing frame 1 and fixing the batter piles 2 on the second batter pile positioning mechanism 31 of the second limiting frame 30, the method further includes: a plurality of anchor piles 3 are driven into the sea, and the pile stabilizing frame 1 is mounted on the plurality of anchor piles 3, thereby fixing the pile stabilizing frame 1 on the sea surface.
In some embodiments, the flat top barge is anchored and positioned on the bottom according to coordinates in advance, a crawler crane on the flat top barge is prepared for standby, a vibration hammer power station is prepared for standby, and the batter pile 2 is anchored and positioned according to coordinates; before the pile stabilizing frame 1 is installed, pile sinking of a plurality of positioning anchor piles 3 is completed and pile heads are cut flat to reach the designed elevation; and welding a limiting device at the top of the anchor pile 3 so that the pile stabilizing frame 1 can be quickly and accurately installed on the anchor pile 3. The crawler crane lifts the batter pile 2 to the pile stabilizing frame 1, and the inclination of the batter pile 2 is completely adjusted and positioned through the matching of the first batter pile positioning mechanism 21 and the second batter pile positioning mechanism 31; firstly, primarily driving by using a vibration hammer until the inclined pile 2 does not obviously sink; after the initial driving of the vibration hammer is finished, the impact hammer is used for sinking the pile; when the upper end of the inclined pile 2 is a first distance away from the first limiting frame 20, the first inclined pile positioning mechanism 21 is separated from the inclined pile 2, and then is rotated by a certain angle, such as 180 degrees, so that the first inclined pile positioning mechanism 21 gives way for the impact hammer, the impact hammer is not blocked, and the inclined pile 2 is hammered to the designed elevation; and repeating the operation until all the inclined piles 2 are sunk, disassembling the pile stabilizing frame 1, and moving the ship to the next machine position.
TABLE 1
Table 1 shows a comparative analysis of pile sinking costs of different processes, and it can be seen from table 1 that, in some embodiments, pile sinking of 6 steel columns has a significant cost advantage compared to the conventional pile sinking process, and at least 50% of the cost can be saved.
In some embodiments, the number of the second inclined pile positioning mechanisms 31 is 6, when the pile stabilizing frame 1 is used for sinking a plurality of inclined piles 2, the ship can sink the 6 inclined piles 2 at one time, the pile sinking accuracy meets the design requirement, the time from the lifting of the inclined piles 2 by the double cranes to the final pile sinking to the designed elevation is shortened, the construction period is shortened, and the construction efficiency is greatly improved.
The above embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a steady pile frame that is used for offshore wind power batter pile crowd pile sinking which characterized in that includes: a support frame, a first limit frame and a second limit frame which are respectively arranged at two opposite ends of the support frame, wherein the first limit frame is provided with a rotatable first inclined pile positioning mechanism, the second limit frame is provided with a plurality of second inclined pile positioning mechanisms, wherein,
on the horizontal plane, the projection area of the first limiting frame is smaller than or equal to that of the second limiting frame, the distance between the central axis of the second inclined pile positioning mechanism and the central axis of the support frame is the same, and the first inclined pile positioning mechanism rotates around the central axis of the support frame.
2. The pile stabilizing frame for offshore wind power batter pile group pile sinking of claim 1, wherein the first batter pile positioning mechanism comprises a telescopic bearing frame, two opposite sides of the bearing frame are provided with first moving frames, the bearing frame and the first moving frames on two sides define a first positioning opening together, and the bearing frame is telescopic in a direction towards or away from the first positioning opening.
3. The pile stabilizing frame for offshore wind power inclined pile group pile sinking of claim 2, wherein an included angle between the telescopic direction of the bearing frame and the horizontal plane is equal to an included angle between the inclined pile and the vertical direction.
4. The pile stabilizing frame for offshore wind power batter pile group pile sinking of claim 2, wherein the first movable frame is movable in the radial direction of the first positioning opening.
5. The pile stabilizing frame for offshore wind power inclined pile group pile sinking of claim 4, wherein a first sliding wheel is arranged at one end of the first movable frame close to the first positioning opening.
6. The pile stabilizing frame for offshore wind power inclined pile group pile sinking according to claim 2, wherein two opposite sides of the bearing frame are further provided with slidable sliding parts, the first movable frame is arranged on the sliding parts, and the sliding direction of the sliding parts forms a certain angle with the moving direction of the first movable frame.
7. The pile stabilizing frame for offshore wind power inclined pile group pile sinking according to claim 6, wherein the bottom of the sliding part is provided with a plurality of rollers.
8. The pile stabilizing frame for offshore wind power batter pile group pile sinking of claim 2, wherein the first batter pile positioning mechanism further comprises: and the bottom of the universal wheel assembly is in surface contact with one side of the first limiting frame, which is far away from the second limiting frame.
9. The pile stabilizing frame for offshore wind power batter pile group pile sinking according to claim 1, wherein the second batter pile positioning mechanism comprises a second positioning opening, a plurality of second movable frames are arranged along the circumferential direction of the second positioning opening, and the second movable frames can move along the radial direction of the second positioning opening.
10. The pile stabilizing frame for the offshore wind power inclined pile group pile sinking of claim 9, wherein one end of the second moving frame close to the peripheral wall of the second positioning opening is provided with a second sliding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121224097.6U CN217231827U (en) | 2021-06-02 | 2021-06-02 | Pile stabilizing frame for sinking piles of offshore wind power inclined pile group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121224097.6U CN217231827U (en) | 2021-06-02 | 2021-06-02 | Pile stabilizing frame for sinking piles of offshore wind power inclined pile group |
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| Publication Number | Publication Date |
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| CN217231827U true CN217231827U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121224097.6U Active CN217231827U (en) | 2021-06-02 | 2021-06-02 | Pile stabilizing frame for sinking piles of offshore wind power inclined pile group |
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| Country | Link |
|---|---|
| CN (1) | CN217231827U (en) |
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2021
- 2021-06-02 CN CN202121224097.6U patent/CN217231827U/en active Active
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