CN113235544B - Construction process of guide frame platform - Google Patents
Construction process of guide frame platform Download PDFInfo
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- CN113235544B CN113235544B CN202110471259.4A CN202110471259A CN113235544B CN 113235544 B CN113235544 B CN 113235544B CN 202110471259 A CN202110471259 A CN 202110471259A CN 113235544 B CN113235544 B CN 113235544B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
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Abstract
The invention relates to a construction process of a guide frame platform, which comprises the following specific steps: s1, building a suction cylinder structure; s2, positioning a suction tube structure; s3, constructing a lower connection support structure; s4, constructing an upper connecting support structure; s5, constructing a parallel truss structure; s6, vertically folding the suction tube structure and the lower connection supporting structure; s7, vertically folding the upper connecting support structure and the parallel truss structure; and S8, vertically and integrally folding to build a guide frame platform. The invention has the following advantages: each structure is vertically built and is segmented and folded through the positioning group, the positioning group is accurate, and the folding precision and the structural strength are guaranteed.
Description
The technical field is as follows:
the invention relates to the field of guide frame platforms, in particular to a construction process of a guide frame platform.
The background art comprises the following steps:
under the condition of increasing shortage of energy, the offshore wind power is rapidly developed as a clean renewable energy source, and the wind turbine foundation is used as a supporting system of an offshore wind power generation unit and is responsible for transmitting wind turbine loads transmitted by the foundation transition connecting section, wave loads, water flow loads, mooring force, impact force and the like to foundation soil, so that the offshore wind power foundation plays an important role in ensuring the safety of the offshore wind power foundation. And the offshore wind power guide frame platform is further convenient for the steel pipe pile construction positioning, and plays a vital role in the construction of the offshore wind power steel pipe pile.
Present leading truck platform height is less, the atress is concentrated, when influencing the structural strength of leading truck platform, be unfavorable for steel-pipe pile construction male straightness that hangs down and support the stability, and if the weight of leading truck platform is great, influence such as seabed liquefaction in addition, the unfavorable settlement of leading truck platform can appear, consequently, need build highly great, the light leading truck platform of quality, this kind of leading truck platform usually has the stand body to make into the lamellar body and folds and form, and to the great leading truck platform of height, from lower to supreme gradual welding construction, must have great the construction degree of difficulty, if horizontal side direction installation leading truck platform, to the body, the stable support of the frame construction of lamellar body etc. brings great degree of difficulty again.
The invention content is as follows:
the invention aims to overcome the defects and provides a construction process of a guide frame platform.
The purpose of the invention is realized by the following technical scheme: the utility model provides a construction technology of leading truck platform, the leading truck platform includes by lower supreme suction section of thick bamboo structure, lower linkage bearing structure, upper junction bearing structure and the parallel truss structure that connects gradually, and concrete step includes:
s1, constructing a suction tube structure: rolling a suction cylinder pipe body and a suction cylinder upright post pipe body, blanking a top plate, a cover plate and a plurality of reinforcing rib plates, wherein the outer diameter of the suction cylinder pipe body is 5000-5500 mm, the outer diameter of the suction cylinder upright post pipe body is 1500-1600 mm, polishing and deburring the top plate, the cover plate and the reinforcing rib plates, welding the top plate to the upper end of the suction cylinder pipe body to form an upper end closed structure, and distributing the reinforcing rib plates on the top plate in an equal circumference way to ensure that a cavity for vertically inserting the suction cylinder upright post pipe body is formed in the reinforcing rib plates, and welding and fixing, positioning the cover plate to the upper ends of the plurality of reinforcing rib plates, welding and reinforcing, arranging the circle center of the cover plate and the circle center of the top plate coaxially, vertically inserting the suction cylinder upright post pipe body into the cavity, fixing the upright post tube body and the tube body of the suction tube by welding to form a suction tube structure, and sequentially building a plurality of suction tube structures;
s2, positioning of a suction tube structure: distributing the plurality of suction tube structures into a preset rectangular structure, and positioning the plurality of suction tube structures by the jig frame through the positioning group;
s3, constructing a lower connecting support structure: rolling a plurality of lower connecting support upright post pipe bodies, a plurality of transverse pipe bodies, a plurality of support straight pipe bodies, a plurality of large support inclined pipe bodies and a plurality of small support inclined pipe bodies, wherein the outer diameter of the lower connecting support upright post pipe bodies is consistent with that of the suction cylinder upright post pipe bodies, the outer diameter of the transverse pipe bodies is larger than 610mm, and the outer diameters of the support straight pipe bodies, the large support inclined pipe bodies and the small support inclined pipe bodies are smaller than or equal to 610 mm;
selecting two lower connecting support upright tube bodies, two transverse tube bodies, three support straight tube bodies and four large support inclined tube bodies, welding to form main leg sheet bodies, and prefabricating two main leg sheet bodies for later use; selecting two transverse pipe bodies, three supporting straight pipe bodies and four large supporting inclined pipe bodies, welding to form lateral supporting pipe sheet bodies, and prefabricating two lateral supporting pipe sheet bodies for later use; selecting two transverse pipe bodies, one supporting straight pipe body and two large supporting inclined pipe bodies, welding to form inner supporting sheet bodies, and prefabricating four inner supporting sheet bodies; selecting two transverse pipe bodies, two supporting straight pipe bodies, a large supporting inclined pipe body and two small supporting inclined pipe bodies, welding to form a left supporting sheet body or a right supporting sheet body, and prefabricating four left supporting sheet bodies and four right supporting sheet bodies;
positioning a main leg sheet body, hoisting two lateral support pipe sheet bodies to two ends of the main leg sheet body, hoisting the other main leg sheet body, welding and fixing to form a lower connection support rectangular frame, installing four inner support sheet bodies to the end angles in the lower connection support rectangular frame, and welding and installing a left support sheet body and a right support sheet body to two sides of the corresponding inner support sheet bodies to finally form a lower connection support structure;
s4, constructing an upper connection support structure: rolling a plurality of upper connecting support upright post pipe bodies, a plurality of connecting transverse pipe bodies, a plurality of connecting inclined pipe bodies and a plurality of reinforcing pipe bodies, wherein the outer diameters of the upper connecting support upright post pipe bodies are consistent with the outer diameter of the lower connecting support upright post pipe bodies, and the outer diameters of the connecting transverse pipe bodies, the connecting inclined pipe bodies and the reinforcing pipe bodies are less than or equal to 610 mm;
selecting two upper connecting support upright post pipe bodies, two connecting transverse pipe bodies and four connecting inclined pipe bodies, welding to form an upper connecting support outer sheet body, and prefabricating two upper connecting support outer sheet bodies; selecting two connecting transverse pipe bodies and four connecting inclined pipe bodies, welding to form upper connecting supporting side sheet bodies, and prefabricating two upper connecting supporting side sheet bodies;
positioning an upper connecting support outer sheet body, hoisting two upper connecting support side sheet bodies to be arranged at two ends of the upper connecting support outer sheet body, hoisting the other upper connecting support outer sheet body, welding and fixing to form an upper connecting support rectangular frame, and welding reinforcing pipe bodies at the corners of the periphery of the upper connecting support rectangular frame;
s5, building a parallel truss structure: building two triangular parallel truss assemblies, and folding the two triangular parallel truss assemblies to form a parallel truss structure; the triangular parallel truss assembly comprises two truss stand columns, a truss outer sheet body arranged between the two truss stand columns and a center sheet body arranged opposite to the truss outer sheet body, wherein a connecting sheet body is connected between the center sheet body and the truss outer sheet body, two side ends of the center sheet body protrude out of two side ends of the truss outer sheet body, a connecting cylinder is arranged between the center sheet body and the truss outer sheet body, one end of the connecting cylinder is fixed with the center of the center sheet body, the other end of the connecting cylinder protrudes out of the truss outer sheet body, and inclined sheet bodies are sequentially and correspondingly connected between two side ends of the connecting cylinder and two side ends of the center sheet body;
s6, vertically folding the suction tube structure and the lower connection supporting structure: hoisting the lower connecting and supporting structure, sequentially corresponding a lower connecting and supporting upright tube body of the lower connecting and supporting structure to an upright tube body of the suction tube, and fixing and folding the lower connecting and supporting upright tube body by welding to form a first folding section;
s7, vertically folding up to connect the supporting structure with the parallel truss structure: hoisting the parallel truss structure, sequentially corresponding a connecting cylinder of the parallel truss structure to the upper connecting support upright tube body, and fixing and folding to form a second folding section by welding;
s8, vertically and integrally folding to build a guide frame platform: the upper end of the positioning group is sleeved on the upper end of the lower connecting and supporting upright post body of the first folding section and fixed, the second folding section is integrally lifted and placed right above the first folding section, the positioning group is used for positioning and guiding the second folding section, the upper connecting and supporting upright post body of the second folding section and the upper end of the lower connecting and supporting upright post body sequentially correspond to each other, a guide frame platform is formed by welding and folding, and the positioning group is used for dismounting the jig frame.
The invention is further improved in that: the positioning group comprises a plurality of base sleeves, the base sleeves are sleeved outside the suction cylinder body, the base sleeves are enclosed to form a rectangular structure, a central gravity cylinder is arranged in the center of each base sleeve, a fixing reinforcing rib is connected between each central gravity cylinder and the base sleeves, the outer side wall, away from the central gravity cylinder, of each base sleeve is provided with a positioning adjusting component, when the first folding section and the second folding section are folded, the positioning adjusting components are sleeved on the lower connecting supporting column body of the first folding section and the upper connecting supporting column body of the second folding section.
The invention is further improved in that: the positioning adjusting assembly comprises a horizontal telescopic group arranged on the outer side wall of the base sleeve and a longitudinal telescopic group arranged on the outer side end of the horizontal telescopic group, the upper end of the longitudinal telescopic group is provided with an upper sleeve, the base sleeve is also provided with a clamping adjusting group for clamping and fixing the outer end face of the corresponding suction cylinder body, and the upper sleeve is of a detachable hoop structure.
The invention is further improved in that: the horizontal telescopic group comprises a fixed sleeve body arranged on the outer wall of the base sleeve and a telescopic rod body horizontally embedded in the fixed sleeve body, a spring is arranged between one end of the telescopic rod body arranged in the fixed sleeve body and the bottom of the fixed sleeve body, the inner wall of the fixed sleeve body is provided with a plurality of grooves distributed along the extending direction of the fixed sleeve body, the telescopic rod body is arranged on the outer circumference of the fixed sleeve body and is provided with convex ribs sequentially corresponding to the grooves, the side end face of the fixed sleeve body far away from the base sleeve is a closed face, and a through hole for embedding one end of the telescopic rod body is formed in the closed face.
The invention is further improved in that: vertical flexible group is including arranging the first flexible post and the flexible post of second that vertically set up on the flexible body of rod in, the mutual parallel arrangement of first flexible post and the flexible post of second, and the upper end of first flexible post and the flexible post of second is connected with the sleeve jointly, has electric putter in the first flexible post, and the flexible post of second is flexible and drive the upper sleeve jointly and remove at upper and lower direction along with electric putter's in the first flexible post promotion.
The invention is further improved in that: the clamping adjusting group comprises three rotating cylinders which are distributed on the base sleeve in an equal circumference mode, the rotating cylinders extend towards the circle center direction of the base sleeve, a lead screw is arranged in the rotating cylinders in a penetrating mode, a bearing is arranged on the outer wall of the rotating cylinders and the outer circumference of the base sleeve in contact, one end of the lead screw is arranged in the base sleeve, an arc-shaped clamping block is fixed to the end of the lead screw, the lead screw is in threaded fit with the rotating cylinders, and the lead screw drives the arc-shaped clamping block to move towards the circle center direction of the base sleeve along with the rotation of the rotating cylinders.
The invention is further improved in that: the bottom of the base sleeve is provided with a driving cavity, the center in the driving cavity is provided with a driving motor, a driving shaft of the driving motor is provided with a central gear, each rotating cylinder is sleeved with a first conical gear on the outer circumference in the base sleeve, the outer circumference of the central gear is engaged and driven with three driven gears distributed in an equal circumference, the center of each driven gear is provided with a driven shaft, the upper end of each driven shaft penetrates through the driving cavity and is close to the corresponding first conical gear, a second conical gear is fixed on the end of each driven shaft, the second conical gear is engaged and driven with the corresponding first conical gear, the central gear rotates to synchronously drive the rotating cylinders to rotate, and therefore concentric clamping of the three lead screws on the body of the suction cylinder is guaranteed.
The invention is further improved in that: the upper and lower ends of the upper sleeve are provided with guide openings.
The invention is further improved in that: the transverse center of the upper sleeve is provided with a plurality of welding through holes which are arranged at intervals, and the plurality of welding through holes are distributed on the upper sleeve in an equal circumference mode.
The invention is further improved in that: the inner wall of the upper sleeve is provided with a rubber buffer layer.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the suction tube structure, the lower connection support structure, the upper connection support structure and the parallel truss structure are independently built, the suction tube structure and the lower connection support structure are folded to form a first folding section, the upper connection support structure and the parallel truss structure are folded to form a second folding section, and the first folding section and the second folding section are folded by the jig frame through the positioning group with a special structure to form the whole structure of the guide frame platform, so that the vertical folding construction of the guide frame platform with a larger height can be quickly realized, the positioning group is accurate, and the folding precision and the structural strength are ensured.
2. The leading truck platform that this application was built builds highly high, and the structure is light, does benefit to steel-pipe pile construction male straightness and the support stability of hanging down.
3. The closure between the suction tube structure and the lower connecting support structure and the closure between the upper connecting support structure and the parallel truss structure can be realized by adopting a positioning assembly jig frame or not due to limited height, and the positioning assembly precision between the first closure section and the second closure section can be ensured by the positioning assembly jig frame due to higher height between the first closure section and the second closure section.
Description of the drawings:
FIG. 1 is a schematic view of the construction completion of the suction tube structure in step S1 according to the present invention;
FIG. 2 is a schematic view illustrating the completion of the construction of the lateral supporting pipe sheet in step S3;
FIG. 3 is a schematic view of the completed construction of the main leg pieces in step S3 according to the present invention;
FIG. 4 is a schematic view of the construction of the right support sheet in step S3 according to the present invention;
FIG. 5 is a schematic view of the completed construction of the inner support sheet in step S3 of the present invention;
FIG. 6 is a schematic view of the completed construction of the left support sheet in step S3 according to the present invention;
FIG. 7 is a schematic view of the present invention in step S3 of constructing a lower bonded support structure;
FIG. 8 is a schematic view of the present invention in step S3 of constructing a lower bonded support structure;
FIG. 9 is a schematic view of the present invention in step S3 of constructing a lower bonded support structure;
FIG. 10 is a schematic view of the present invention in step S3 of constructing a lower bonded support structure;
FIG. 11 is a completed schematic view of the present invention in step S3 of constructing a lower hitch support structure;
FIG. 12 is a schematic view of the completion of the upper connecting support panel of step S4 according to the present invention;
FIG. 13 is a schematic view of the completion of the upper connecting supporting side panel in step S4 according to the present invention;
FIG. 14 is a schematic view of the present invention in step S4 of constructing the upper linking support structure;
FIG. 15 is a schematic view of the completion of the step S4 of constructing the upper coupling support structure according to the present invention;
fig. 16 is a schematic view illustrating the construction of a parallel truss structure in step S5 according to the present invention;
FIG. 17 is a schematic diagram illustrating the completion of the first closing segment in step S6 according to the present invention;
FIG. 18 is a schematic diagram illustrating the completion of the second folded section in step S7 according to the present invention;
fig. 19 is a schematic diagram of folding the first folding section and the second folding section in step S8 according to the present invention;
FIG. 20 is a structural distribution diagram of a base sleeve and a central gravity cylinder in a jig frame by a positioning assembly according to the present invention;
FIG. 21 is a schematic view of the connection of the positioning set to the base sleeve, the horizontal telescopic set and the clamping adjustment set in the jig frame;
FIG. 22 is a sectional view of the structure taken along line A-A in FIG. 21;
FIG. 23 is a schematic view of the connection between the upper sleeve and the upper and lower linking support column tubes of the positioning assembly of the present invention.
Fig. 24 is a top view of the structure of the upper sleeve of the jig frame for the positioning group of the present invention.
Reference numbers in the figures:
1-a suction tube structure, 2-a lower connection support structure, 3-an upper connection support structure, 4-a parallel truss structure, 5-a positioning group, a jig frame, 6-a first folding section and 7-a second folding section;
11-a suction cylinder pipe body, 12-a suction cylinder upright post pipe body, 13-a top plate, 14-a cover plate and 15-a reinforcing rib plate;
21-lower connecting supporting upright post pipe body, 22-transverse pipe body, 23-supporting straight pipe body, 24-large supporting inclined pipe body, 25-small supporting inclined pipe body, 26-main leg sheet body, 27-lateral supporting pipe sheet body, 28-inner supporting sheet body, 29-left supporting sheet body and 210-right supporting sheet body;
31-upper connecting supporting upright column tube body, 32-connecting transverse tube body, 33-connecting inclined tube body, 34-reinforcing tube body, 35-upper connecting supporting outer sheet body and 36-upper connecting supporting side sheet body;
41-triangular parallel truss component, 411-truss upright post, 412-truss outer sheet body, 413-center sheet body, 414-connecting sheet body, 415-connecting column body and 416-inclined sheet body;
51-base sleeve, 52-central gravity cylinder, 53-fixed reinforcing rib, 54-horizontal telescopic group, 55-longitudinal telescopic group, 56-upper sleeve and 57-clamping adjusting group; 541-a fixed sleeve body, 542-a telescopic rod body, 543-a spring, 544-a groove, 545-a convex rib, 546-a closed surface and 547-a through hole; 551-first telescopic column, 552-second telescopic column, 553-electric push rod; 561-guide opening, 562-welding through hole, 563-rubber buffer layer; 571-rotating cylinder, 572-screw rod, 573-bearing, 574-arc clamping block, 575-driving cavity, 576-driving motor, 577-central gear, 578-first conical gear, 579-driven gear, 5710-driven shaft and 5711-second conical gear.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
The embodiment is a building process of a leading truck platform, and the leading truck platform includes by lower supreme suction section of thick bamboo structure 1 that connects gradually, lower linkage bearing structure 2, upper linkage bearing structure 3 and parallel truss structure 4, and concrete step includes:
s1, constructing a suction tube structure: as shown in fig. 1, a suction cylinder tube body 11 and a suction cylinder upright post tube body 12 are rolled, a top plate 13, a cover plate 14 and a plurality of reinforcing rib plates 15 are punched, the outer diameter of the suction cylinder tube body 11 is 5000mm-5500mm, the outer diameter of the suction cylinder upright post tube body 12 is 1500mm-1600mm, the top plate 13, the cover plate 14 and the reinforcing rib plates 15 are polished and deburred, the top plate 13 is welded to the upper end of the suction cylinder tube body 11 to form an upper end closed structure, the reinforcing rib plates 15 are distributed on the top plate 13 in an equal circumference mode to form a cavity for vertically inserting the suction cylinder upright post tube body 12 into the cavity, the cover plate 14 is positioned to the upper ends of the reinforcing rib plates 15 and welded and reinforced, the circle center of the cover plate 14 is coaxial with the circle center of the top plate 13, the suction cylinder upright post tube body 12 is vertically inserted into the cavity, the suction cylinder upright post tube body 12 and the suction cylinder tube body 11 are fixed by welding to form a suction cylinder structure 1, sequentially building a plurality of suction cylinder structures 1;
s2, positioning of the suction tube structure: distributing the plurality of suction tube structures 1 into a preset rectangular structure, and positioning the plurality of suction tube structures 1 by the jig frame 5 through the positioning group;
s3, constructing a lower connecting support structure: rolling a plurality of lower connecting and supporting upright tube bodies 21, a plurality of transverse tube bodies 22, a plurality of supporting upright tube bodies 23, a plurality of large supporting inclined tube bodies 24 and a plurality of small supporting inclined tube bodies 25, wherein the outer diameter of the lower connecting and supporting upright tube bodies 21 is consistent with the outer diameter of the upright tube body 12 of the suction tube, the outer diameter of the transverse tube bodies 22 is larger than 610mm, and the outer diameters of the supporting upright tube bodies 23, the large supporting inclined tube bodies 24 and the small supporting inclined tube bodies 25 are smaller than or equal to 610 mm;
selecting two lower connecting supporting upright tube bodies 21, two transverse tube bodies 22, three supporting straight tube bodies 23 and four large supporting inclined tube bodies 24, welding to form main leg sheet bodies 26 as shown in figure 3, and prefabricating two main leg sheet bodies 26 for later use; selecting two transverse pipe bodies 22, three support straight pipe bodies 23 and four large support inclined pipe bodies 24, welding to form a lateral support pipe sheet body 27 as shown in figure 2, and prefabricating two lateral support pipe sheet bodies 27 for later use; selecting two transverse pipe bodies 22, one supporting straight pipe body 23 and two large supporting inclined pipe bodies 24, welding to form inner supporting sheet bodies 28 as shown in fig. 5, and prefabricating four inner supporting sheet bodies 28; selecting two transverse pipe bodies 22, two supporting straight pipe bodies 23, one large supporting inclined pipe body 24 and two small supporting inclined pipe bodies 25, welding to form a left supporting sheet body 29 or a right supporting sheet body 210 as shown in fig. 4 and 6, and prefabricating four left supporting sheet bodies 29 and four right supporting sheet bodies 210;
as shown in fig. 7 to 11, a main leg sheet 26 is positioned, two lateral support tube sheets 27 are lifted to two ends of the main leg sheet 26, another main leg sheet 26 is lifted, welding and fixing are performed to form a lower connection support rectangular frame, four inner support sheet bodies 28 are installed at the end corners in the lower connection support rectangular frame, a left support sheet body 29 and a right support sheet body 210 are welded and installed to two sides of the corresponding inner support sheet bodies 28, and finally a lower connection support structure 2 is formed;
s4, constructing an upper connecting support structure: rolling a plurality of upper connecting support upright post tube bodies 31, a plurality of connecting transverse tube bodies 32, a plurality of connecting inclined tube bodies 33 and a plurality of reinforcing tube bodies 34, wherein the outer diameter of the upper connecting support upright post tube bodies 31 is consistent with that of the lower connecting support upright post tube bodies 21, and the outer diameters of the connecting transverse tube bodies 32, the connecting inclined tube bodies 33 and the reinforcing tube bodies 34 are less than or equal to 610 mm;
as shown in fig. 12, two upper connecting support upright tube bodies 31, two connecting transverse tube bodies 32 and four connecting inclined tube bodies 33 are selected, an upper connecting support outer sheet body 35 is formed by welding, and two upper connecting support outer sheet bodies 35 are prefabricated; as shown in fig. 13, two connecting transverse tubes 32 and four connecting inclined tubes 33 are selected, welded to form upper connecting support side sheet bodies 36, and two upper connecting support side sheet bodies 36 are prefabricated;
as shown in fig. 14 and 15, an upper coupling support outer sheet body 35 is positioned, two upper coupling support side sheet bodies 36 are hoisted and placed at two ends of the upper coupling support outer sheet body 35, then another upper coupling support outer sheet body 35 is hoisted and fixed by welding to form an upper coupling support rectangular frame, and reinforcing pipe bodies 34 are welded at the peripheral end corners of the upper coupling support rectangular frame;
s5, building a parallel truss structure: as shown in fig. 16, two triangular parallel truss assemblies 41 are constructed, and the two triangular parallel truss assemblies 41 are folded to form a parallel truss structure; the triangular parallel truss assembly 41 comprises two truss upright posts 411, a truss outer sheet body 412 arranged between the two truss upright posts 411 and a central sheet body 413 arranged opposite to the truss outer sheet body 412, a connecting sheet body 414 is connected between the central sheet body 413 and the truss outer sheet body 412, two side ends of the central sheet body 413 are arranged to protrude out of two side ends of the truss outer sheet body 412, a connecting cylinder 415 is arranged between the central sheet body 413 and the truss outer sheet body 412, one end of the connecting cylinder 415 is fixed with the center of the central sheet body 413, the other end of the connecting cylinder 415 is arranged to protrude out of the truss outer sheet body 412, and inclined sheet bodies 416 are sequentially and correspondingly connected between two side ends of the connecting cylinder 415 and two side ends of the central sheet body 413;
s6, vertically folding the suction tube structure and the lower connection supporting structure: as shown in fig. 17, the lower connecting and supporting structure 2 is lifted, the lower connecting and supporting upright tube body 21 of the lower connecting and supporting structure 2 and the upright tube body 12 of the suction tube correspond to each other in sequence, and are fixed and folded by welding to form a first folding section 6;
s7, vertically folding up to connect the supporting structure with the parallel truss structure: as shown in fig. 8, the parallel truss structure 4 is lifted, the connecting columns 415 of the parallel truss structure 4 correspond to the upper connecting support column pipe 31 in sequence, and the second folding section 7 is formed by welding and fixing and folding;
s8, vertically and integrally folding to build a guide frame platform: as shown in fig. 19, the upper end of the jig frame 5 is sleeved with the upper end of the lower connecting and supporting upright tube 21 of the first folding section 6 and fixed, the second folding section 7 is integrally lifted and placed right above the first folding section 6, the jig frame 5 is used for positioning and guiding the second folding section 7 through the positioning group, the upper connecting and supporting upright tube 31 of the second folding section 7 sequentially corresponds to the upper end of the lower connecting and supporting upright tube 21, a guide frame platform is formed by welding and folding, and the jig frame 5 is disassembled through the positioning group.
According to the invention, a suction tube structure 1, a lower connecting support structure 2, an upper connecting support structure 3 and a parallel truss structure 4 are independently built, the suction tube structure 1 and the lower connecting support structure 2 are folded to form a first folding section 6, the upper connecting support structure 3 and the parallel truss structure 4 are folded to form a second folding section 7, and the first folding section 6 and the second folding section 7 are folded by a jig frame 5 through a positioning group with a special structure to form a guide frame platform integral structure, so that the vertical folding construction of a guide frame platform with a large height is conveniently and rapidly realized, the positioning group is accurate, and the folding precision and the structural strength are ensured; the leading truck platform of this application construction, it is high to build the height, and the structure is light, does benefit to the steel-pipe pile construction male straightness that hangs down and supports the stability.
The assembly between the suction tube structure 1 and the lower connecting and supporting structure 2 and the assembly between the upper connecting and supporting structure 3 and the parallel truss structure 4 can be performed by adopting a positioning assembly to the jig frame 5 or without adopting a positioning assembly to the jig frame 5 due to limited height, and the positioning assembly precision between the first assembly section 6 and the second assembly section 7 can be ensured by the positioning assembly to the jig frame 5 due to higher height.
In the invention, the specific structure of the positioning assembly jig frame 5 is as follows: as shown in fig. 20, the positioning pair assembly jig frame 5 includes a plurality of base sleeves 51, the base sleeves 51 are sleeved outside the suction cylinder tube body 11, the base sleeves 51 are enclosed to form a rectangular structure, a central gravity cylinder 52 is disposed in the center of the base sleeves 51, a fixing reinforcing rib 53 is connected between the central gravity cylinder 52 and the base sleeves 51, and a positioning adjustment component is disposed on an outer side wall of each base sleeve 51 away from the central gravity cylinder 52, and when the first folding segment 6 and the second folding segment 7 are folded, the positioning adjustment component is sleeved on the lower coupling support column tube body 21 of the first folding segment 6 and the upper coupling support column tube body 31 of the second folding segment 7.
Locating group in this application carries out spacing fixed base sleeve 51 including carrying out suction tube body 11 to bed-jig 5, and the setting of base sleeve 51, fixed strengthening rib 53 and central gravity section of thick bamboo 52 improves the support stability to a plurality of suction tube bodies 11.
In this application, the concrete structure of positioning adjustment subassembly does: the positioning adjustment assembly includes a horizontal telescopic group 54 disposed on an outer side wall of the base sleeve 51 and a longitudinal telescopic group 55 disposed on an outer side end of the horizontal telescopic group 54, an upper sleeve 56 is disposed at an upper end of the longitudinal telescopic group 55, and the base sleeve 51 further includes a clamping adjustment group 57 for clamping and fixing an outer end surface of the corresponding suction cylinder body 11, as shown in fig. 24, the upper sleeve 56 is a detachable clamp structure.
Wherein, the specific structure of the horizontal telescopic group 54 is as follows: as shown in fig. 21 and 22, the horizontal telescopic set 54 includes a fixed sleeve 541 disposed on an outer wall of the base sleeve 51 and a telescopic rod 542 horizontally embedded in the fixed sleeve 541, the telescopic rod 542 is disposed between an end of the fixed sleeve 541 and a bottom of the fixed sleeve 541 and has a spring 543, an inner wall of the fixed sleeve 541 has a plurality of grooves 544 distributed along an extending direction of the fixed sleeve 541, the telescopic rod 542 is disposed on an outer circumference of the fixed sleeve 541 and has ribs 545 corresponding to the grooves 544 in sequence, a side end surface of the fixed sleeve 541 away from the base sleeve 51 is a closed surface 546, and the closed surface 546 has a through hole 547 for accommodating an end of the telescopic rod 542.
The horizontal telescopic group 54 can adjust the horizontal position of the upper sleeve 56, the longitudinal telescopic group 55 can be pulled horizontally by external force to stretch or contract the spring 543 to deform, at the moment, the telescopic rod 542 is telescopic in the fixed sleeve 541 to adjust the horizontal position of the upper sleeve 56, the rib 545 moves in the groove 544 along the extending direction of the fixed sleeve 541, the verticality of the upper tower 56 in the moving process is ensured, and therefore the folding accuracy of the first folding section 6 and the second folding section 7 is ensured.
The specific structure of the longitudinal telescopic group 55 is as follows: vertical flexible group 55 is including arranging in the first flexible post 551 and the flexible post 552 of second of vertical setting on the flexible body of rod 542 of stretching out and drawing back, first flexible post 551 and the flexible post 552 of second parallel arrangement each other, the upper end of first flexible post 551 and the flexible post 552 of second is connected with upper sleeve 56 jointly, electric putter 553 has in the first flexible post 551, the flexible post 552 of second is flexible and drive upper sleeve 56 jointly and move in upper and lower direction along with electric putter 553's promotion in the first flexible post 551.
The high position of upper sleeve 56 can be adjusted in the setting of the vertical flexible group 55 of this application, with the cooperation of the flexible group of level, can realize the high position to upper sleeve 56, be convenient for fast with the first connection of linking up support post body 31 on of assembling section 6 fixed.
When the folding device is adjusted, the electric push rod 553 is driven to lift up, the upper sleeve 56 is higher than the upper end of the first folding section 6, the longitudinal telescopic group 55 is pulled to enable the upper sleeve 56 to be placed right above the lower connecting and supporting upright tube body 21, the electric push rod 553 is driven to descend, the upper sleeve 56 is sleeved on the upper connecting and supporting upright tube body 31, the electric push rod 553 is stopped to drive, the second folding section 7 is lifted right above the first folding section 6, an operator aligns the second folding section 7 with the first folding section 6 and inserts the upper connecting and supporting upright tube body 31 of the second folding section 7 into the corresponding upper sleeve 56, and the first folding section 6 and the second folding section 7 are welded and fixed after positioning groups.
The specific structure of the clamping adjustment group 57 is: the clamping adjustment set 57 includes three rotating cylinders 571 distributed on the base sleeve 51 in an equal circumference, the rotating cylinders 571 extend towards the center of the base sleeve 51, a lead screw 572 penetrates through the rotating cylinders 571, a bearing 573 is provided on the outer circumference of the outer wall of the rotating cylinders 571, which contacts with the base sleeve 51, one end of the lead screw 572 is disposed in the base sleeve 51, an arc-shaped clamping block 574 is fixed on the end of the lead screw 572, the lead screw 572 and the rotating cylinders 571 are in threaded fit, and the lead screw 572 drives the arc-shaped clamping block 574 to displace towards the center of the base sleeve 51 along with the rotation of the rotating cylinders 571.
Importance of the setting of the clamping adjustment group 57: fold the segmentation 6 and fold the segmentation 7 with the second when foldeing the installation, in case the second folds the segmentation 7 and collides first fold segmentation 6 at hoist and mount in-process, make first fold segmentation 6 to take place the skew, thereby need carry out the group again to fix a position, and the tight regulation group 57 of the clamp in a plurality of base sleeve 51 outsides in this application presss from both sides a plurality of suction bobbin body 11 and presss from both sides fixedly, including the first gravity action who folds segmentation 6 self, make first fold segmentation 6 avoid taking place skew or displacement phenomenon when foldeing segmentation 7 with the second, thereby guarantee the group to the precision of location.
Further, a driving cavity 575 is formed in the bottom of the base sleeve 51, a driving motor 576 is arranged in the center of the driving cavity 575, a central gear 577 is arranged on a driving shaft of the driving motor 576, a first conical gear 578 is sleeved on the outer circumference of each rotating cylinder 571 arranged in the base sleeve 51, three driven gears 579 distributed in an equal circumference manner are in meshing transmission on the outer circumference of the central gear 577, a driven shaft 5710 is arranged in the center of the driven gear 579, the upper end of the driven shaft 5710 penetrates through the driving cavity 575 and is arranged close to the corresponding first conical gear 578, a second conical gear 5711 is fixed on the end of the driven shaft 5710, the second conical gear 5711 is in meshing transmission with the corresponding first conical gear 578, the central gear 577 rotates to synchronously drive the rotating cylinders to rotate, and therefore concentric clamping of the three lead screws 572 on the suction cylinder body 11 is guaranteed.
The working principle of clamping the suction tube body 11 is as follows: the driving motor 576 drives the central gear 577 to rotate, so that the central gear 577 and the driven gear 579 are in meshing transmission, and the driven shaft 5710 and the second bevel gear 5711 are driven to rotate, so that the first bevel gear 578 and the second bevel gear 5711 are in meshing transmission, and the rotating cylinder 571 is driven to rotate, so that the lead screw 572 is driven to move in the horizontal direction, and the synchronous clamping or loosening of the plurality of arc-shaped clamping blocks 574 on the suction cylinder body 11 is realized.
Further, as shown in fig. 23, the upper and lower ends of the upper sleeve 56 are respectively provided with a guide opening 561, and the guide opening 561 is disposed to facilitate guiding of the upper and lower linking support column tubes 31 and 21.
Further, the upper sleeve 56 has a plurality of welding through holes 562 arranged at intervals at a lateral center thereof, and the plurality of welding through holes 562 are equally circumferentially distributed on the upper sleeve 56.
The butt joint of the upper connecting support upright tube body 31 and the lower connecting support upright tube body 21 is located at the welding through hole 562, the butt joint is fixed through the welding through hole 562 by spot welding, the upper sleeve 56 is removed, the butt joint of the upper connecting support upright tube body 31 and the lower connecting support upright tube body 21 is subjected to repair welding, and the folding installation of the first folding section 6 and the second folding section 7 is realized.
Further, the inner wall of the upper sleeve 56 has a rubber buffer layer 563 for buffering and protecting the outer end faces of the upper connecting support column tube 31 and the lower connecting support column tube 21.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a building technology of leading truck platform, its characterized in that, the leading truck platform includes by lower supreme suction section of thick bamboo structure, lower linkage bearing structure, upper linkage bearing structure and the parallel truss structure who connects gradually, and concrete step includes:
s1, constructing a suction tube structure: the method comprises the steps of rolling a suction cylinder pipe body and a suction cylinder stand column pipe body, punching a top plate, a cover plate and a plurality of reinforcing rib plates, wherein the outer diameter of the suction cylinder pipe body is 5000-5500 mm, the outer diameter of the suction cylinder stand column pipe body is 1500-1600 mm, polishing and deburring the top plate, the cover plate and the reinforcing rib plates, welding the top plate to the upper end of the suction cylinder pipe body to form an upper end sealing structure, distributing the reinforcing rib plates and the like on the top plate in a circumferential manner to enable the reinforcing rib plates to be provided with cavities for containing the vertical insertion of the suction cylinder stand column pipe body, welding and fixing, positioning the cover plate to the upper ends of the reinforcing rib plates, welding and reinforcing, arranging the circle center of the cover plate coaxially with the circle center of the top plate, vertically inserting the suction cylinder stand column pipe body into the cavities, and fixing the suction cylinder stand column pipe body and the suction cylinder pipe body by welding to form a suction cylinder structure, sequentially building a plurality of suction cylinder structures;
s2, positioning of a suction tube structure: distributing a plurality of suction tube structures into a preset rectangular structure, and positioning the suction tube structures by the jig frame through the positioning group; the positioning assembly jig frame comprises a plurality of base sleeves, the base sleeves are sleeved outside the suction cylinder tube body, the base sleeves are enclosed to form a rectangular structure, a central gravity cylinder is arranged in the center of each base sleeve, a fixing reinforcing rib is connected between each central gravity cylinder and each base sleeve, a positioning adjusting assembly is arranged on the outer side wall, away from the central gravity cylinder, of each base sleeve, and when the first folding section and the second folding section are folded, the positioning adjusting assemblies are sleeved on the lower connecting supporting column tube body of the first folding section and the upper connecting supporting column tube body of the second folding section;
s3, constructing a lower connecting support structure: rolling a plurality of lower connecting support upright post pipe bodies, a plurality of transverse pipe bodies, a plurality of support straight pipe bodies, a plurality of large support inclined pipe bodies and a plurality of small support inclined pipe bodies, wherein the outer diameter of each lower connecting support upright post pipe body is consistent with the outer diameter of each suction cylinder upright post pipe body, the outer diameter of each transverse pipe body is larger than 610mm, and the outer diameters of each support straight pipe body, each large support inclined pipe body and each small support inclined pipe body are smaller than or equal to 610 mm;
selecting two lower connecting support upright post pipe bodies, two transverse pipe bodies, three support straight pipe bodies and four large support inclined pipe bodies, welding to form main leg sheet bodies, and prefabricating two main leg sheet bodies for later use; selecting two transverse pipe bodies, three support straight pipe bodies and four large support inclined pipe bodies, welding to form lateral support pipe sheet bodies, and prefabricating two lateral support pipe sheet bodies for later use; selecting two transverse pipe bodies, one support straight pipe body and two large support inclined pipe bodies, welding to form inner support sheet bodies, and prefabricating four inner support sheet bodies; selecting two transverse pipe bodies, two supporting straight pipe bodies, a large supporting inclined pipe body and two small supporting inclined pipe bodies, welding to form a left supporting sheet body or a right supporting sheet body, and prefabricating four left supporting sheet bodies and four right supporting sheet bodies;
positioning a main leg sheet body, hoisting two lateral support pipe sheet bodies to two ends of the main leg sheet body, hoisting another main leg sheet body, welding and fixing to form a lower connection support rectangular frame, mounting four inner support sheet bodies to the end corners in the lower connection support rectangular frame, welding and mounting a left support sheet body and a right support sheet body to two sides of the corresponding inner support sheet bodies, and finally forming a lower connection support structure;
s4, constructing an upper connection support structure: rolling a plurality of upper connecting support upright post pipe bodies, a plurality of connecting transverse pipe bodies, a plurality of connecting inclined pipe bodies and a plurality of reinforcing pipe bodies, wherein the outer diameters of the upper connecting support upright post pipe bodies are consistent with the outer diameters of the lower connecting support upright post pipe bodies, and the outer diameters of the connecting transverse pipe bodies, the connecting inclined pipe bodies and the reinforcing pipe bodies are less than or equal to 610 mm;
selecting two upper connecting support upright post pipe bodies, two connecting transverse pipe bodies and four connecting inclined pipe bodies, welding to form an upper connecting support outer sheet body, and prefabricating two upper connecting support outer sheet bodies; selecting two connecting transverse pipe bodies and four connecting inclined pipe bodies, welding to form upper connecting supporting side sheet bodies, and prefabricating two upper connecting supporting side sheet bodies;
positioning an upper connecting support outer sheet body, hoisting two upper connecting support side sheet bodies to be arranged at two ends of the upper connecting support outer sheet body, hoisting the other upper connecting support outer sheet body, welding and fixing to form an upper connecting support rectangular frame, and welding reinforcing pipe bodies at the corners of the periphery of the upper connecting support rectangular frame;
s5, building a parallel truss structure: building two triangular parallel truss assemblies, and folding the two triangular parallel truss assemblies to form a parallel truss structure; the triangular parallel truss assembly comprises two truss stand columns, a truss outer sheet body and a center sheet body, wherein the truss outer sheet body is arranged between the two truss stand columns, the center sheet body is arranged opposite to the truss outer sheet body, a connecting sheet body is connected between the center sheet body and the truss outer sheet body, two side ends of the center sheet body protrude out of two side ends of the truss outer sheet body, a connecting cylinder is arranged between the center sheet body and the truss outer sheet body, one end of the connecting cylinder is fixed with the center of the center sheet body, the other end of the connecting cylinder protrudes out of the truss outer sheet body, and inclined sheet bodies are sequentially and correspondingly connected between two side ends of the connecting cylinder and two side ends of the center sheet body;
s6, vertically folding the suction tube structure and the lower connection supporting structure: hoisting the lower connecting and supporting structure, sequentially corresponding a lower connecting and supporting upright tube body of the lower connecting and supporting structure to an upright tube body of the suction tube, and fixing and folding the lower connecting and supporting upright tube body by welding to form a first folding section;
s7, vertically folding up to connect the supporting structure with the parallel truss structure: hoisting the parallel truss structure, sequentially corresponding a connecting cylinder of the parallel truss structure to the upper connecting support upright tube body, and fixing and folding the connecting cylinder and the upper connecting support upright tube body by welding to form a second folding section;
s8, vertically and integrally folding to build a guide frame platform: the upper end of the positioning group assembly jig frame is sleeved at the upper end of the lower connecting support upright tube body of the first folding section and fixed, the second folding section is integrally lifted and placed right above the first folding section, the jig frame is positioned and guided through the positioning group, the upper connecting support upright tube body of the second folding section and the upper end of the lower connecting support upright tube body sequentially correspond to each other, a guide frame platform is formed through welding and folding, and the jig frame is disassembled through the positioning group.
2. The process for constructing the guide frame platform according to claim 1, wherein the positioning adjustment assembly comprises a horizontal telescopic assembly disposed on the outer side wall of the base sleeve and a longitudinal telescopic assembly disposed on the outer side end of the horizontal telescopic assembly, the upper end of the longitudinal telescopic assembly is provided with an upper sleeve, the base sleeve is further provided with a clamping adjustment assembly for clamping and fixing the outer end face of the corresponding suction cylinder body, and the upper sleeve is of a detachable hoop structure.
3. The building process of the guide frame platform as claimed in claim 2, wherein the horizontal telescopic assembly includes a fixing sleeve disposed on the outer wall of the base sleeve and a telescopic rod horizontally embedded in the fixing sleeve, the telescopic rod is disposed between one end of the fixing sleeve and the bottom of the fixing sleeve and has a spring, the inner wall of the fixing sleeve has a plurality of grooves distributed along the extending direction of the fixing sleeve, the telescopic rod is disposed in the fixing sleeve and has protruding ribs sequentially corresponding to the grooves on the outer circumference thereof, the side end surface of the fixing sleeve away from the base sleeve is a closed surface, and the closed surface has a through hole for embedding one end of the telescopic rod.
4. The construction process of the guide frame platform as claimed in claim 3, wherein the longitudinal telescopic group comprises a first telescopic column and a second telescopic column which are arranged on the telescopic rod body in a longitudinal direction, the first telescopic column and the second telescopic column are arranged in parallel, the upper ends of the first telescopic column and the second telescopic column are connected with an upper sleeve together, an electric push rod is arranged in the first telescopic column, and the second telescopic column is pushed by the electric push rod in the first telescopic column to be telescopic and drive the upper sleeve to move in the vertical direction together.
5. The process for building the guide frame platform according to claim 4, wherein the clamping adjustment group comprises three rotating cylinders distributed on the base sleeve in an equal circumference manner, the rotating cylinders extend towards the center of the base sleeve and penetrate through the rotating cylinders, a screw rod is arranged in each rotating cylinder, a bearing is arranged on the outer circumference of each rotating cylinder, which is in contact with the base sleeve, one end of each screw rod is arranged in the base sleeve, an arc-shaped clamping block is fixed on the end of each screw rod, the screw rods are in threaded fit with the rotating cylinders, and the screw rods drive the arc-shaped clamping blocks to move towards the center of the base sleeve along with the rotation of the rotating cylinders.
6. The process of constructing a guide frame platform according to claim 5, wherein the base sleeve has a drive chamber at the bottom, a driving motor is arranged at the center in the driving cavity, a driving shaft of the driving motor is provided with a central gear, a first conical gear is sleeved on the outer circumference of each rotating cylinder arranged in the base sleeve, three driven gears which are distributed in an equal circumference are meshed and driven on the outer circumference of the central gear, a driven shaft is arranged in the center of the driven gear, the upper end of the driven shaft penetrates through the driving chamber and is arranged close to the corresponding first conical gear, and a second bevel gear is fixed on the end of the driven shaft and is in meshing transmission with the corresponding first bevel gear, the central gear rotates to synchronously drive the rotating cylinder to rotate, so that the concentric clamping of the three lead screws on the suction cylinder body is ensured.
7. The process of constructing a guide frame platform according to any one of claims 4 to 6, wherein the upper and lower ends of the upper sleeve each have a guide opening.
8. The process of constructing a guide frame platform according to claim 7, wherein the upper sleeve has a plurality of welding through holes spaced apart from each other at a lateral center thereof, and the plurality of welding through holes are distributed on the upper sleeve in an equi-circumferential manner.
9. The process of claim 8, wherein the inner wall of the upper sleeve has a rubber buffer layer.
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| CN202110471259.4A CN113235544B (en) | 2021-04-29 | 2021-04-29 | Construction process of guide frame platform |
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