CN112030923B - Underwater concrete upright post construction auxiliary platform with hole digging equipment - Google Patents

Underwater concrete upright post construction auxiliary platform with hole digging equipment Download PDF

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Publication number
CN112030923B
CN112030923B CN202010889295.8A CN202010889295A CN112030923B CN 112030923 B CN112030923 B CN 112030923B CN 202010889295 A CN202010889295 A CN 202010889295A CN 112030923 B CN112030923 B CN 112030923B
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shaped
soil
water
digging
channel
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CN112030923A (en
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王博
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North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/44Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/02Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/001Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor specially adapted for underwater drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/12Underwater drilling
    • E21B7/124Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The underwater concrete column construction auxiliary platform comprises an overwater bearing platform positioned above the water surface, a rectangular construction operation channel is arranged in the middle of the overwater bearing platform, a hole digging device for digging a column pouring construction base hole is arranged at the top of the rectangular construction operation channel, and a group of surrounding baffle fixing devices are arranged on four edges of the bottom of the hole digging device respectively. According to the invention, the overwater bearing platform is arranged on the water surface, the through rectangular construction operation channel is arranged in the middle of the overwater bearing platform, the hole digging equipment is fixed at the center of the top of the rectangular construction operation channel, the four sides of the bottom are respectively provided with the group of retaining fixing devices, and the four groups of retaining fixing devices are utilized to form the water retaining cofferdam for construction, so that a worker can quickly build the cofferdam on the overwater bearing platform.

Description

Underwater concrete upright post construction auxiliary platform with hole digging equipment
The patent application of the invention is a divisional application with application number of 2019103277803, the original application date is 2019, 4 and 23, and the application numbers are as follows: 2019103277803 the invention has the name: an auxiliary platform for underwater concrete upright post construction.
Technical Field
The invention relates to the field of underwater construction operation, in particular to an underwater concrete upright post construction auxiliary platform with a hole digging device.
Background
In the prior art, for the purpose of viewing and enjoying landscapes and the like near rivers or lakes, some sightseeing walkways are often constructed and erected in shallow water areas of the rivers or lakes, and when the sightseeing walkways are constructed, concrete columns are required to be constructed underwater as supports.
In the prior art, the first step of constructing the concrete upright post is to punch a hole on the ground or dig a foundation, generally, the operation is good when constructing and constructing the ground, and the hole is punched by using punching equipment or the concrete upright post is directly dug; however, when the concrete columns are constructed under water, due to the existence of water flow, no matter the concrete columns are drilled on the riverbed or directly excavated, the operation is difficult, generally, the enclosing barriers or cofferdams are required to be built firstly, the water inside the enclosing barriers or cofferdams is discharged, then, the excavating and drilling are carried out by manpower or equipment, and after the construction is completed, the enclosing barriers or the cofferdams are required to be manually dismantled, so that the construction progress is greatly slowed down, and the manpower and the equipment cost of the construction are also greatly increased.
Disclosure of Invention
In order to solve the problems of slow construction progress, manpower and high equipment cost caused by the fact that a fence or a cofferdam needs to be matched when a concrete stand column is constructed underwater in the prior art, the invention provides an underwater concrete stand column construction auxiliary platform with a hole digging device, the auxiliary platform can directly perform fence and hole punching operations underwater, and the construction period and the construction cost of the concrete stand column are greatly improved.
The technical problems adopted by the invention for solving the technical problems are as follows: an underwater concrete upright post construction auxiliary platform with hole digging equipment comprises an above-water bearing platform positioned above the water surface, wherein a rectangular construction operation channel penetrating through the upper surface and the lower surface of the above-water bearing platform is arranged in the middle of the above-water bearing platform, hole digging equipment for digging an upright post pouring construction base hole is arranged at the top of the rectangular construction operation channel through four fixing rods, and a group of enclosure fixing devices are respectively arranged on four edges of the bottom of the rectangular construction operation channel;
each group of enclosure fixing devices comprises a fixing base plate which is arranged at the bottom edge of the rectangular construction operation channel in parallel, a through groove which is parallel to the length direction of the fixing base plate is arranged on the fixing base plate, circular fixing channels are respectively arranged at the positions of two ends of the through groove, each circular fixing channel comprises two arc-shaped plates which are positioned on the same circumference, the two arc-shaped plates are symmetrically fixed on two side walls of the through groove, so that a cylindrical channel with a gap which is positioned on the same vertical surface with the through groove is enclosed, and the diameter of the cylindrical channel is larger than the width of the through groove;
a guide fixing rod with a bottom tip is inserted into each circular fixing channel, and a gap is formed between the outer wall of each guide fixing rod and the inner wall of each circular fixing channel;
a surrounding baffle base plate with a tip end at the bottom is inserted into each through groove, a through hole for a guide fixing rod to penetrate into is formed in the position, corresponding to the circular fixing channel, of each surrounding baffle base plate, and the side wall of each through hole penetrates through a gap between the guide fixing rod and the circular fixing channel;
connecting holes penetrating through the two ends of each enclosure substrate in the height direction are formed in the two ends of each enclosure substrate, and the connecting holes are communicated with the side edges of the enclosure substrates through a cutting groove penetrating through the enclosure substrates in the height direction;
be provided with L shape connecting plate between two adjacent enclose fender base plates, the both ends of this L shape connecting plate all are fixed with the spliced pole through connecting portion, just when the spliced pole card was gone into in the connecting hole of enclosing the fender base plate, in the grooving was gone into to connecting portion card to realize four L shape connecting plates and enclose four and keep off the base plate amalgamation and form the cofferdam.
The invention has a preferable embodiment that two ends of each fixed base plate are erected on two supporting beams at two sides of the bottom of a rectangular construction operation channel, sliding rails are arranged on the two supporting beams along the length direction of the two supporting beams, a sliding groove matched with the sliding rails is arranged at the bottom of the fixed base plate, an adjusting oil cylinder is arranged on the rectangular construction operation channel between the two supporting beams, the free end of a piston rod of the adjusting oil cylinder is hinged with the middle part of the fixed base plate, the fixed base plate is driven to slide back and forth along the supporting beams by the expansion and contraction of the piston rod of the adjusting oil cylinder, and the distance between the fixed base plate and another fixed base plate opposite to the fixed base plate is further adjusted.
In an improved aspect of the above preferred embodiment of the present invention, the four fixing bars are located on two diagonal lines of the rectangular construction work channel, and when each fixing base plate slides to the end of the supporting beam, the circular fixing channel is located inside a triangle surrounded by two adjacent fixing bars, so that an operation gap is formed between the guiding fixing bar inserted therein and the nearest fixing bar.
In another improvement of the above preferred embodiment of the present invention, the end of the support beam has a stopper for preventing the fixed base plate from falling.
In another preferred embodiment of the present invention, the top ends of the two arc-shaped plates forming the circular fixing channel extend to the upper surface of the water bearing platform, and the bottom ends of the two arc-shaped plates extend to the lower part of the water bearing platform.
In another preferred embodiment of the present invention, the hole-excavating equipment comprises a base which is supported and fixed by four fixed rods, four groups of hydraulic telescopic cylinders which synchronously move are arranged at the bottom of the base, and a rotary excavating component and an excavated material discharge mechanism are arranged at the bottoms of piston rods of the four groups of hydraulic telescopic cylinders;
the excavated material discharge mechanism comprises a cylindrical shell, the top of the cylindrical shell is closed and is connected with the bottoms of the piston rods of the four groups of hydraulic telescopic oil cylinders, and the lifting of the cylindrical shell is controlled by the synchronous stretching of the piston rods of the four groups of hydraulic telescopic oil cylinders; a separation plate parallel to the top of the cylindrical shell is arranged in the cylindrical shell, the separation plate divides the interior of the cylindrical shell into an upper closed space and a lower open space, and a mud pump and a water suction pump are respectively arranged in the upper closed space, wherein a water inlet pipe of the water suction pump penetrates through the upper side wall of the cylindrical shell to be communicated with the exterior, and a water outlet pipe penetrates through the separation plate to be communicated with the lower open space, so that water outside the cylindrical shell is pumped into the lower open space; the water inlet of the slurry pump penetrates through the partition plate to be communicated with the lower open space, the water outlet is connected with a drain pipe, and the tail end of the drain pipe extends onto the water bearing platform so that a slurry pump can pump the slurry-water mixture in the lower open space to convey the slurry-water mixture onto the water bearing platform;
the rotary tunneling assembly comprises a waterproof motor arranged in an upper closed space and a tunneling shaft driven by the waterproof motor, the free end of the tunneling shaft penetrates out of a lower open space, a soil excavating cutter head is arranged around the free end of the tunneling shaft, the soil excavating cutter head is formed by installing 4-8 soil excavating cutters around the tunneling shaft, the soil excavating cutters are formed by dividing a conical cutter head into 4-8 parts, the inner tip of each soil excavating cutter is fixed with the free end of the tunneling shaft, the outer arc end is arranged in a chute on an annular thickening wall arranged at the edge of the bottom of a cylindrical shell through a bump at the bottom of the soil excavating cutter head, so that when the tunneling shaft rotates, the soil excavating cutters are driven to rotate along the chute, a soil passing channel is formed between every two adjacent soil excavating cutters, the soil passing channel is communicated with the lower open space, and the soil excavating cutters are enabled to be extended out and pressed down by four groups of hydraulic telescopic oil cylinder piston rods in the rotating process of the tunneling shaft, so that the sludge excavated in the drilling process of the riverbed enters the lower open space through the soil passage.
An improvement scheme of the last preferred embodiment of the invention is that the surface of the bottom of each digging cutter, which is in contact with the river bed, is a cutting surface, two side walls of the cutting surface are matched with the side walls of two adjacent digging cutters to form two soil passing channels, the bottom end of each digging cutter, which is connected with the cutting surface, of the two side walls is respectively provided with an S-shaped bulge and an S-shaped defect, which are complementary in shape, the S-shaped bulge and the S-shaped defect extend along the side walls of the digging cutters and are as long as the soil passing channels, wherein the S-shaped bulge is formed by sequentially connecting an arc-shaped bulge and an arc-shaped recess, the free end of the arc-shaped bulge extends to the middle part of the side wall, and the free end of the arc-shaped recess and the side edge of the cutting surface form a bulge tip; the S-shaped defect is formed by sequentially connecting an arc-shaped recess and an arc-shaped protrusion, the free end of the arc-shaped recess extends to the middle of the side wall, and the free end of the arc-shaped protrusion is in smooth transition connection with the side edge of the cutting surface.
In another improvement of the above preferred embodiment of the present invention, the cutting surface of each of the blades is inclined downward from the side of the S-shaped defect toward the S-shaped protrusion, so that the side of the S-shaped protrusion is closer to the river bed than the side of the S-shaped defect, and the S-shaped protrusions at both sides of each soil-passing channel are lower than the S-shaped defect, so that a height difference that the protruding tip is higher than the other side is formed at the soil inlet end of the soil-passing channel, so that the protruding tip at one side of each soil-passing channel cuts the river bed during the rotation of the soil-passing cutter head along with the excavation shaft, and the soil generated by the cutting is sent to the lower open space through the soil-passing channel, mixed with the water pumped by the suction pump to form muddy water, and sent to the water bearing platform by the mud pump.
In a further improvement of the above preferred embodiment of the present invention, a helical blade is disposed on the shaft body of the excavating shaft located in the lower open space, the helical blade stirs and conveys soil entering the lower open space through the soil passage upwards during rotation of the excavating shaft, and the width of the helical blade gradually narrows from bottom to top.
In another improvement of the above preferred embodiment of the present invention, the protrusion is "convex", the section of the chute on the annular thickening wall matching with the protrusion is also "convex", and the width of the chute is greater than that of the protrusion, so that when the protrusion is in the chute, the sidewall of the protrusion is not in contact with the sidewall of the chute, and a gap is formed between the top end of the protrusion and the inner wall of the top end of the chute; and a plurality of passage holes penetrating through the annular thickening wall in the height direction are distributed along the annular thickening wall, the bottom of each passage hole is communicated with the inner wall of the top of the sliding groove, and the top of each passage hole penetrates through the annular thickening wall and is positioned outside the cylindrical shell so as to communicate the sliding groove with the space outside the cylindrical shell.
Compared with the prior art, the invention has the following beneficial effects:
1) according to the invention, the overwater bearing platform is arranged on the water surface, the through rectangular construction operation channel is arranged in the middle of the overwater bearing platform, the hole digging equipment is fixed at the center of the top of the rectangular construction operation channel, the four sides of the bottom are respectively provided with the group of baffle fixing devices, and the four groups of baffle fixing devices are utilized to form the water retaining cofferdam for construction, so that a worker can quickly build the cofferdam on the overwater bearing platform;
the core of each group of the enclosure fixing devices is a fixing base plate with a through groove in the middle, and the through groove can allow the enclosure base plate to pass through the through groove, so that the operation of placing the enclosure base plate downwards on the water bearing platform is realized; two circular fixing channels are arranged in the through groove, and are used for introducing a guide fixing rod into the through groove in advance, the guide fixing rod is inserted into a riverbed, and then when the enclosure base plate is placed through the through groove, the through hole in the enclosure base plate is sleeved into the guide fixing rod, so that the enclosure base plate is lowered down along the guide fixing rod, and therefore the circular fixing channels not only have a good guiding effect, but also can fix the enclosure base plate; finally, connecting holes are formed in the two ends of the enclosure base plate and are matched and clamped with connecting columns of the L-shaped connecting plates, the effect that one L-shaped connecting plate connects and fixes the two enclosure base plates is achieved, and finally the four enclosure base plates are spliced to form the cofferdam;
2) the four fixed base plates are arranged on the two supporting beams in a sliding mode, and the four fixed base plates are driven to slide along the supporting beams through an adjusting oil cylinder, so that the distance between the four fixed base plates and the opposite fixed base plates is adjusted, and the size of a constructed enclosure is adjusted;
3) the hole digging equipment of the invention comprises four groups of hydraulic telescopic oil cylinders, the bottoms of telescopic rods of the four groups of hydraulic telescopic oil cylinders are provided with a rotary digging component and a digging material discharge mechanism, wherein the four groups of hydraulic telescopic oil cylinders drive the rotary digging component to descend to a riverbed so that a digging cutterhead of the rotary digging component contacts the bottom of the riverbed, then a waterproof motor drives a digging shaft and the digging cutterhead to rotate, a lifting control mechanism drives the whole digging cutterhead to press downwards in the rotating process of the digging cutterhead so that the digging cutterhead moves downwards in the rotating process, the riverbed can be cut in the rotating process, soil generated by cutting enters a shell of the digging material discharge mechanism through a soil passage, is mixed with water to form slurry in the shell, and then is pumped out to a water bearing platform by a slurry pump, thereby realizing mechanical punching operation, compared with the existing punching construction mode, the operation of cofferdam or enclosure is not needed, the punching operation can be directly implemented, the labor is saved, and more importantly, the construction cost is greatly reduced; meanwhile, soil generated by drilling can be discharged in time, so that the drilling efficiency is improved;
4) in the invention, the two side walls of each digging cutter respectively form the S-shaped bulge and the S-shaped defect which are mutually complementary in shape, so that the S-shaped bulge plays a role in cutting soil in the rotating process, and the cut soil can quickly enter the soil passing channel in the rotating process because one side of the S-shaped bulge is lower than one side of the S-shaped defect, thereby improving the cutting efficiency and accelerating the tunneling speed;
5) according to the invention, the spiral blade is arranged on the digging shaft, and the width of the spiral blade is narrowed from bottom to top, so that the spiral blade with a special width shape can not only receive soil entering through the soil passage and convey the soil upwards, but also prevent the soil passage from being blocked; meanwhile, the spiral blades play a role in stirring, so that soil entering the spiral blades can be better combined with water to form slurry, and the slurry is pumped away.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of a rectangular construction work channel bottom fence fixture;
FIG. 3 is a schematic cross-sectional view of the connection between the enclosure substrate and the fixing substrate;
FIG. 4 is a side view of the enclosure substrate;
FIG. 5 is a top schematic view of the enclosure base plate;
FIG. 6 is a top schematic view of the L-shaped web;
FIG. 7 is a schematic top view of the assembled enclosure partition;
figure 8 is a schematic structural view of the rotary ripping assembly and the spoil discharge mechanism;
FIG. 9 is a schematic view of the matching structure of the digging cutter and the annular thickening wall;
FIG. 10 is a schematic bottom view of the excavator blade head;
FIG. 11 is a schematic structural view of a digging blade;
FIG. 12 is a schematic cross-sectional view taken along line A-A of FIG. 11;
FIG. 13 is a schematic sectional view of two adjacent digging knives;
reference numerals: 1. an overwater bearing platform, 101, a rectangular construction operation channel, 2, a fence fixing device, 201, a supporting beam, 202, an adjusting oil cylinder, 203, a fixing base plate, 204, a through groove, 205, a circular fixing channel, 3, a guide fixing rod, 4, a fence base plate, 401, a through hole, 402, a tip end, 403, a connecting hole, 404, a cutting groove, 405, an L-shaped connecting plate, 406, a connecting part, 407, a connecting column, 5, a digging object discharging mechanism, 501, a cylindrical shell, 502, a separating plate, 503, an upper closed space, 504, a lower open space, 505, an annular thickening wall, 506, a water pump, 507, a slurry pump, 508, a drain pipe, 6, a rotary digging component, 601, a waterproof motor, 602, a digging shaft, 603, a spiral blade, 604, a digging cutter, 6041, a cutting surface, 6042, an arc-shaped bulge, 6043, an arc-shaped recess, 6044, a bulge tip end, 605, a bump, 606, a channel hole, 607. a soil passing channel 608, a gap 7, a hole digging device 701, a base 702, a fixing rod 703 and a hydraulic telescopic oil cylinder.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific embodiments, and components not described in detail in the following embodiments of the present invention may be regarded as technical means commonly used in the art, such as control of each oil cylinder, hydraulic oil source, control of a waterproof motor, and the like, which do not belong to the improvement points of the present invention.
Example 1
As shown in fig. 1-7, an underwater concrete column construction auxiliary platform with a hole digging device comprises an above-water bearing platform 1 above the water surface, the above-water bearing platform 1 preferably floats on the water surface, a rectangular construction operation channel 101 penetrating through the upper surface and the lower surface of the above-water bearing platform 1 is arranged in the middle of the above-water bearing platform 1, the hole digging device 7 for digging a foundation hole for column pouring construction is arranged at the top of the rectangular construction operation channel 101 through four fixing rods 702, and a group of baffle fixing devices 2 are respectively arranged on four sides of the bottom of the rectangular construction operation channel 101;
each group of enclosure fixing devices 2 comprises a fixed substrate 203 arranged at the bottom edge of the rectangular construction operation channel 101 in parallel, a through groove 204 parallel to the length direction of the fixed substrate 203 is arranged on the fixed substrate, circular fixing channels 205 are respectively arranged at the positions of two ends of the through groove 204, each circular fixing channel 205 comprises two arc-shaped plates on the same circumference, the two arc-shaped plates are symmetrically fixed on two side walls of the through groove 204, so that a cylindrical channel with a gap on the same vertical surface as that of the through groove 204 is formed by enclosing, and the diameter of the cylindrical channel is larger than the width of the through groove 204;
a guiding fixing rod 3 with a bottom tip is inserted into each circular fixing channel 205, and a gap is formed between the outer wall of the guiding fixing rod 3 and the inner wall of the circular fixing channel 205;
a baffle substrate 4 with a tip 402 at the bottom is inserted into each through groove 204, a through hole 401 for a guide fixing rod 3 to penetrate is arranged on each baffle substrate 4 corresponding to the circular fixing channel 205, and the side wall of the through hole 401 penetrates through the gap between the guide fixing rod 3 and the circular fixing channel 205;
two ends of each enclosure substrate 4 are provided with connecting holes 403 penetrating through the height direction of the enclosure substrate 4, and the connecting holes 403 are communicated with the side edge of the enclosure substrate 4 through a cutting groove 404 penetrating through the height direction of the enclosure substrate 4;
be provided with L shape connecting plate 405 between two adjacent fender base plates 4, the both ends of this L shape connecting plate 405 all are fixed with spliced pole 407 through connecting portion 406, just when spliced pole 407 card is gone into in the connecting hole 403 of fender base plate 4, connecting portion 406 card is gone into in the grooving 404 to realize four L shape connecting plates 405 with four piece fender base plates 4 amalgamations and form the cofferdam.
The use method of the auxiliary platform of the embodiment is as follows:
1) firstly, moving the overwater bearing platform 1 to a region to be constructed;
2) firstly, sequentially inserting a guide fixing rod 3 into two circular fixing channels 205 of a fixing substrate 203 of a group of enclosure fixing devices 2, wherein the top of the guide fixing rod 3 exceeds the water bearing platform 1, and then wedging the guide fixing rod 3 into a riverbed for fixing by using manpower or instruments;
3) a through hole 401 on one fence substrate 4 is aligned with a guide fixing rod 3 and then penetrates, and meanwhile, the fixing substrate 4 passes through a through groove 204 of a fixing substrate 203 to move downwards until a tip 402 at the bottom of the fixing substrate is inserted into a river bed, and then the fixing substrate is wedged into the river bed to be fixed manually or by an instrument;
4) repeating the steps 2) -4), inserting the four groups of enclosure fixing devices 2 into the fixing substrates 203 of the enclosure substrates 4 for fixing;
5) moving the overwater bearing platform 1 to expose two adjacent enclosure base plates 4 in the rectangular construction operation channel 101, then taking an L-shaped connecting plate 405, aligning connecting columns 407 on two sides of the L-shaped connecting plate 405 with connecting holes 403 on two sides of the two adjacent enclosure base plates 4, inserting the connecting columns into the connecting holes, and then wedging the connecting columns into a riverbed for fixing by using manpower or instruments, thereby completing the connection of the two adjacent enclosure base plates 4;
6) repeating the step 5) until the four fixed enclosure substrates 4 are connected by the four L-shaped connecting plates 405 to form a cofferdam, as shown in FIG. 7;
7) pumping water in the cofferdam by using facilities such as a water pump and the like, and then punching holes in the cofferdam by using a hole punching device 7 to form pile holes for pouring cement concrete;
8) and inserting a reinforcement cage into the pile hole, and then pouring concrete to form the upright post.
The foregoing is a basic embodiment of the present invention, and further modifications, optimizations and limitations can be made on the foregoing, so as to obtain the following examples:
example 2
The embodiment is a further improvement on the basis of embodiment 1, as shown in fig. 2, two ends of each of the fixed substrates 203 are erected on two supporting beams 201 on two sides of the bottom of the rectangular construction operation channel 101, and the two supporting beams 201 are provided with sliding rails along the length direction thereof, the bottom of the fixed substrate 203 is provided with a sliding groove matched with the sliding rails, an adjusting cylinder 202 is arranged on the rectangular construction operation channel 101 between the two supporting beams 201, the free end of a piston rod of the adjusting cylinder 202 is hinged to the middle of the fixed substrate 203, the fixed substrate 203 is driven to slide back and forth along the supporting beams 201 by the expansion and contraction of the piston rod of the adjusting cylinder 202, and further the distance between the fixed substrate 203 and another corresponding fixed substrate 203 is adjusted.
Example 3
This embodiment is a further improvement on embodiment 2, as shown in fig. 2, the four fixing rods 702 are located on two diagonal lines of the rectangular construction work channel 101, and when each fixing substrate 203 slides to the end of the supporting beam 201, the circular fixing channel 205 is located inside a triangle surrounded by two adjacent fixing rods 702, so that an operation gap is formed between the guiding fixing rod 3 inserted therein and the nearest fixing rod 702.
Example 4
This embodiment is another modification made on the basis of embodiment 2, and the end of the supporting beam 201 has a stopper for preventing the fixing substrate 203 from falling.
Example 5
This embodiment is a further improvement on embodiment 1, and as shown in fig. 1 and 3, the two arc-shaped plates forming the circular fixing channel 205 have top ends extending to the upper surface of the waterborne bearing platform 1 and bottom ends extending to the lower part of the waterborne bearing platform 1.
Example 6
The embodiment is a further improvement on embodiment 1, and as shown in fig. 1, 8, 9, 10, 11, 12 and 13, the excavating equipment 7 comprises a base 701 supported and fixed by four fixing rods 702, four sets of hydraulic telescopic cylinders 703 moving synchronously are arranged at the bottom of the base 701, and a rotary excavating component 6 and an excavated material discharge mechanism 5 are arranged at the bottom of the piston rods of the four sets of hydraulic telescopic cylinders 703;
the excavated material discharge mechanism 5 comprises a cylindrical shell 501, the top of the cylindrical shell 501 is closed and is connected with the bottoms of the piston rods of the four groups of hydraulic telescopic oil cylinders 703, and the lifting of the cylindrical shell is controlled by the synchronous stretching of the piston rods of the four groups of hydraulic telescopic oil cylinders 703; a separation plate 502 parallel to the top of the cylindrical shell 501 is arranged in the cylindrical shell 501, the separation plate 502 divides the interior of the cylindrical shell into an upper closed space 503 and a lower open space 504, a mud pump 507 and a water suction pump 506 are respectively arranged in the upper closed space 503, wherein a water inlet pipe of the water suction pump 506 penetrates through the upper side wall of the cylindrical shell 501 to be communicated with the outside, a filter screen is arranged at the end part of the water inlet pipe to filter impurities in water, and a water outlet pipe penetrates through the separation plate 502 to be communicated with the lower open space 504 to pump water outside the cylindrical shell 501 into the lower open space 504; a water inlet of the mud pump 507 is communicated with the lower open space 504 through the partition plate 502, a water outlet is connected with a drain pipe 508, and the tail end of the drain pipe 508 extends to the water bearing platform 1, so that the mud pump 507 pumps the mud-water mixture in the lower open space 504 to convey the mud-water mixture to the water bearing platform 1;
the rotary tunneling assembly 6 comprises a waterproof motor 601 arranged in an upper closed space 503 and a tunneling shaft 602 driven by the waterproof motor, the free end of the tunneling shaft 602 penetrates out of the lower open space 504, a soil excavating cutter head is arranged around the free end of the tunneling shaft 602, the soil excavating cutter head is formed by installing 4-8 soil excavating cutters 604 around the tunneling shaft 602, the soil excavating cutters 604 are formed by uniformly dividing a conical cutter head into 4-8 blocks, the inner tip of each soil excavating cutter 604 is fixed with the free end of the tunneling shaft 602, the outer arc end is arranged in a chute on an annular thickening wall 505 arranged at the bottom edge of the cylindrical shell 501 through a bump 605 at the bottom of the soil excavating cutter head, so that when the tunneling shaft 602 rotates, the soil excavating cutters 604 are driven to rotate along the chute, a soil passing channel 607 is formed between two adjacent soil excavating cutters 604, the soil passing channel 607 is communicated with the lower open space 504, so that the soil excavating cutters 604 rotate along with the tunneling shaft 602, the piston rods of the four groups of hydraulic telescopic oil cylinders 703 extend out and press down, so that sludge excavated in the river bed drilling process enters the lower open air chamber 504 through the soil passing channel 607.
The construction steps of the hole-digging equipment 7 in the embodiment when performing hole-digging operation are as follows:
1) firstly, placing the overwater bearing platform 1 at a position needing punching, and enabling the hole digging equipment 7 to be over against a preset position of an upright post;
2) controlling four groups of hydraulic telescopic oil cylinders 703 to synchronously move, so that piston rods of the four groups of hydraulic telescopic oil cylinders 703 synchronously extend out, and driving a rotary tunneling component 6 and an excavated material discharge mechanism 5 arranged below the rotary tunneling component 6 to synchronously descend until an excavation cutter head of the rotary tunneling component 6 contacts a drilling area at the bottom of a riverbed;
3) the waterproof motor 601 in the rotary tunneling assembly 6 is controlled to start, the power output by the waterproof motor 601 drives the tunneling cutter head to synchronously rotate through the tunneling shaft 602, in the rotating process, the four groups of hydraulic telescopic oil cylinders 703 synchronously move downwards to enable the tunneling cutters 604 to extrude the river bed, so that in the rotating process of the tunneling cutter head, the tunneling cutters 604 can cut the river bed, soil generated by cutting enters the lower open space 504 of the cylindrical shell 501 of the excavated material discharge mechanism 5 through the soil passing channel 607, then the water is pumped into the lower open space 504 by the water pump 506 to form slurry, and the slurry is pumped out by the slurry pump 507 and discharged onto the water bearing platform 1 through the water discharge pipe 508;
4) the movement of the digging cutter head, the water suction pump 506, the mud pump 507 and the four groups of hydraulic telescopic oil cylinders 703 is kept, so that the digging cutter head is always in a state of descending and cutting the river bed, and the operation of punching the river bed is realized.
Example 7
The present embodiment is a further improvement made on the basis of embodiment 6, as shown in fig. 11 and 12, a surface of the bottom of each digging blade 604 contacting with the river bed is a cutting surface 6041, two side walls of the cutting surface 6041 are matched with side walls of two adjacent digging blades 604 to form two soil passing channels 607, a bottom end of each digging blade 604, where the two side walls and the cutting surface 6041 meet, respectively forms an S-shaped protrusion and an S-shaped defect with complementary shapes, the S-shaped protrusion and the S-shaped defect extend along the side walls of the digging blade 604 and are as long as the soil passing channels 607, wherein the S-shaped protrusion is formed by sequentially connecting an arc-shaped protrusion 6042 and an arc-shaped recess 6043, a free end of the arc-shaped protrusion 6042 extends to the middle of the side wall, and a free end of the arc-shaped recess 6043 and a side edge of the cutting surface 6041 form a protrusion tip 6044; the S-shaped defect is formed by sequentially connecting an arc-shaped recess 6043 and an arc-shaped protrusion 6042, the free end of the arc-shaped recess 6043 extends to the middle of the side wall, and the free end of the arc-shaped protrusion 6042 is in smooth transition connection with the side edge of the cutting face 6041.
Example 8
This embodiment is a further improvement on embodiment 7, and as shown in fig. 11 and 12, the cutting face 6041 of each of the blades 604 is inclined downward from the side of the S-shaped defect to the side of the S-shaped protrusion so that the side of the S-shaped protrusion is closer to the river bed than the side of the S-shaped defect, and the S-shaped protrusion on both sides of each soil passing channel 607 is lower than the S-shaped defect, so that the protruding tip 6044 is higher than the other side at the soil inlet end of the soil passing channel 607, so that during the rotation of the soil passing channel 607 with the excavating shaft 602, the protruding tip 6044 on one side of each soil passing channel 607 cuts the river bed, and the soil generated by the cutting is sent into the lower opening 504 through the soil passing channel 607 to be mixed with the water pumped by the water pump 506 to form muddy water, which is sent to the mud pump 1 by the water bearing platform 507.
Example 9
This embodiment is a further improvement on embodiment 6, as shown in fig. 8, the shaft body of the digging shaft 602 located in the lower open space 504 is provided with a spiral blade 603, the spiral blade 603 rotates along with the digging shaft 602, and stirs and conveys upward soil entering the lower open space 504 through the soil passage 607, the bottom end of the spiral blade 603 is close to the soil excavating cutterhead, the top end extends to the upper part of the lower open space 504, and the width of the spiral blade 603 gradually narrows from bottom to top. The width of the spiral blade 603 is a distance from the outer edge of the spiral blade 603 to the center of the excavation axis 602 on a horizontal plane.
Example 10
This embodiment is a further improvement on embodiment 6, as shown in fig. 8 and 9, the bump 605 is "convex", the cross section of the sliding groove on the annular thickening wall 505 matching with the bump is also "convex", and the width of the sliding groove is larger than the bump 605, so that when the bump 605 is in the sliding groove, the side wall of the bump does not contact with the side wall of the sliding groove, and a gap 608 is formed between the top end of the bump 605 and the inner wall of the top end of the sliding groove; a plurality of channel holes 606 penetrating through the annular thickening wall 505 in the height direction are distributed along the annular thickening wall 505, the bottom of each channel hole 606 is communicated with the inner wall of the top of the sliding chute, and the top of each channel hole 606 penetrates through the annular thickening wall 505 and is positioned outside the cylindrical shell 501, so that the sliding chute is communicated with the space outside the cylindrical shell 501.

Claims (3)

1. The utility model provides an underwater concrete stand construction auxiliary platform of equipment of digging a hole, includes one and is in bearing platform (1) on water above the surface of water, the intermediate position of bearing platform (1) on water has rectangle construction operation passageway (101) that runs through its upper and lower surface, is provided with the equipment of digging a hole (7) of digging a stand pouring construction foundation hole through four dead levers (702) at the top of rectangle construction operation passageway (101), its characterized in that: a group of enclosure fixing devices (2) are respectively arranged on four sides of the bottom of the rectangular construction operation channel (101);
each group of enclosure fixing devices (2) comprises a fixing substrate (203) which is arranged at the bottom edge of the rectangular construction operation channel (101) in parallel, a through groove (204) which is parallel to the length direction of the fixing substrate (203) is arranged on the fixing substrate, circular fixing channels (205) are respectively arranged at the positions of two ends of the through groove (204), each circular fixing channel (205) comprises two arc-shaped plates which are positioned on the same circumference, the two arc-shaped plates are symmetrically fixed on two side walls of the through groove (204), so that a cylindrical channel with a gap which is positioned on the same vertical surface with the through groove (204) is enclosed, and the diameter of the cylindrical channel is larger than the width of the through groove (204);
a guide fixing rod (3) with a bottom tip is inserted into each circular fixing channel (205), and a gap is formed between the outer wall of the guide fixing rod (3) and the inner wall of the circular fixing channel (205);
a surrounding baffle substrate (4) with a tip (402) at the bottom is inserted into each through groove (204), a through hole (401) for a guide fixing rod (3) to penetrate into is arranged at a position, corresponding to the circular fixing channel (205), on each surrounding baffle substrate (4), and the side wall of each through hole (401) penetrates through a gap between the guide fixing rod (3) and the circular fixing channel (205);
connecting holes (403) penetrating through the two ends of each enclosure substrate (4) in the height direction are formed in the two ends of each enclosure substrate (4), and the connecting holes (403) are communicated with the side edges of the enclosure substrates (4) through cutting grooves (404) penetrating through the enclosure substrates (4) in the height direction;
an L-shaped connecting plate (405) is arranged between two adjacent enclosure base plates (4), connecting columns (407) are fixed to two ends of each L-shaped connecting plate (405) through connecting parts (406), and when the connecting columns (407) are clamped into connecting holes (403) of the enclosure base plates (4), the connecting parts (406) are clamped into the cutting grooves (404), so that the four enclosure base plates (4) are spliced by the four L-shaped connecting plates (405) to form a cofferdam;
the excavating equipment (7) comprises a base (701) which is supported and fixed by four fixing rods (702), four groups of hydraulic telescopic oil cylinders (703) which synchronously move are arranged at the bottom of the base (701), and a rotary excavating component (6) and an excavated material discharge mechanism (5) are arranged at the bottoms of piston rods of the four groups of hydraulic telescopic oil cylinders (703);
the excavated material discharge mechanism (5) comprises a cylindrical shell (501), the top of the cylindrical shell (501) is closed and is connected with the bottoms of the piston rods of the four groups of hydraulic telescopic oil cylinders (703), and the lifting of the cylindrical shell is controlled by the synchronous telescopic action of the piston rods of the four groups of hydraulic telescopic oil cylinders (703); a separation plate (502) parallel to the top of the cylindrical shell (501) is arranged in the cylindrical shell (501), the separation plate (502) divides the interior of the cylindrical shell into an upper closed space (503) and a lower open space (504), a mud pump (507) and a water suction pump (506) are respectively arranged in the upper closed space (503), wherein a water inlet pipe of the water suction pump (506) penetrates through the upper side wall of the cylindrical shell (501) to be communicated with the outside, and a water outlet pipe penetrates through the separation plate (502) to be communicated with the lower open space (504) so as to pump water outside the cylindrical shell (501) into the lower open space (504); a water inlet of the mud pump (507) penetrates through the partition plate (502) to be communicated with the lower open space (504), a water outlet of the mud pump (507) is connected with a drain pipe (508), and the tail end of the drain pipe (508) extends to the water bearing platform (1) so that the mud pump (507) pumps the mud-water mixture in the lower open space (504) to convey the mud-water mixture to the water bearing platform (1);
the rotary tunneling assembly (6) comprises a waterproof motor (601) arranged in an upper closed space (503) and a tunneling shaft (602) driven by the waterproof motor, the free end of the tunneling shaft (602) penetrates out of a lower open space (504), a soil excavating cutter head is arranged at the free end surrounding the tunneling shaft (602), the soil excavating cutter head is formed by installing 4-8 soil excavating cutters (604) surrounding the tunneling shaft (602), the soil excavating cutters (604) are formed by 4-8 conical cutter heads, the inner tip of each soil excavating cutter (604) is fixed with the free end of the tunneling shaft (602), the outer arc end is arranged in a sliding groove on an annular thickening wall (505) arranged at the bottom edge of the cylindrical shell (501) through a lug (605) at the bottom of the outer arc end, so that when the tunneling shaft (602) rotates, the soil excavating cutters (604) are driven to rotate along the sliding groove, and a soil passing channel (607) is formed between two adjacent soil excavating cutters (604), the soil passing channel (607) is communicated with the lower open space (504), so that the digging cutter (604) is extended out and pressed down by four groups of hydraulic telescopic oil cylinders (703) piston rods in the process of rotating along with the digging shaft (602), and the sludge dug out in the river bed drilling process enters the lower open space (504) through the soil passing channel (607).
2. The underwater concrete column construction auxiliary platform with the hole digging equipment as recited in claim 1, wherein: the bottom of each digging blade (604) is in contact with the river bed, the surface is a cutting surface (6041), two side walls of the cutting surface (6041) are matched with the side walls of two adjacent digging blades (604) to form two soil passing channels (607), the bottom end of each digging blade (604) where the two side walls are connected with the cutting surface (6041) respectively forms an S-shaped bulge and an S-shaped defect which are complementary in shape, the S-shaped bulge and the S-shaped defect extend along the side walls of the digging blades (604) and are as long as the soil passing channels (607), wherein the S-shaped bulge is formed by sequentially connecting an arc-shaped bulge (6042) and an arc-shaped recess (6043), the free end of the arc-shaped bulge (6042) extends to the middle part of the side wall, and the free end of the arc-shaped recess (6043) and the side edge of the cutting surface (6041) form a bulge tip (6044); the S-shaped defect is formed by sequentially connecting an arc-shaped recess (6043) and an arc-shaped bulge (6042), the free end of the arc-shaped recess (6043) extends to the middle part of the side wall, and the free end of the arc-shaped bulge (6042) is in smooth transition connection with the side edge of the cutting face (6041).
3. The underwater concrete column construction auxiliary platform with the hole digging equipment as recited in claim 2, wherein: the cutting surface (6041) of each digging blade (604) is obliquely reduced from one side of the S-shaped defect to the S-shaped bulge, so that one side of the S-shaped bulge is closer to the river bed than one side of the S-shaped defect, the S-shaped bulge on two sides of each soil passing channel (607) is lower than the S-shaped defect, the height difference that the bulge tip (6044) is higher than the other side is formed at the soil inlet end of the soil passing channel (607), so that during the rotation of the digging cutter head along with the digging shaft (602), the bulge tip (6044) on one side of each soil passing channel (607) cuts the river bed, soil generated by cutting is sent into the lower open space (504) through the soil passing channel (607) and is mixed with water pumped by the water pump (506) to form muddy water which is sent to the water bearing platform (1) by the mud pump (507).
CN202010889295.8A 2019-04-23 2019-04-23 Underwater concrete upright post construction auxiliary platform with hole digging equipment Active CN112030923B (en)

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CN202010889295.8A CN112030923B (en) 2019-04-23 2019-04-23 Underwater concrete upright post construction auxiliary platform with hole digging equipment
CN201910327780.3A CN110029644B (en) 2019-04-23 2019-04-23 Auxiliary platform for underwater concrete stand column construction

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CN202010887346.3A Active CN112030922B (en) 2019-04-23 2019-04-23 Underwater concrete stand column construction auxiliary platform capable of adjusting size of cofferdam
CN201910327780.3A Active CN110029644B (en) 2019-04-23 2019-04-23 Auxiliary platform for underwater concrete stand column construction
CN202010889305.8A Active CN112030924B (en) 2019-04-23 2019-04-23 A dig hole cofferdam platform for concrete column construction under surface of water
CN202010889295.8A Active CN112030923B (en) 2019-04-23 2019-04-23 Underwater concrete upright post construction auxiliary platform with hole digging equipment

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CN201910327780.3A Active CN110029644B (en) 2019-04-23 2019-04-23 Auxiliary platform for underwater concrete stand column construction
CN202010889305.8A Active CN112030924B (en) 2019-04-23 2019-04-23 A dig hole cofferdam platform for concrete column construction under surface of water

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CN203346861U (en) * 2013-07-15 2013-12-18 山东省第一地质矿产勘查院 Drilling platform
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CN206737825U (en) * 2017-05-05 2017-12-12 中国葛洲坝集团第五工程有限公司 Construction of Deep-water Pile diving drill machine
WO2018096160A1 (en) * 2016-11-27 2018-05-31 Maersk Drilling A/S Offshore drilling and a configurable support structure for the same
CN109178229A (en) * 2018-10-15 2019-01-11 厦门理工学院 The marine floating type platform structure and its detection method for having water sample detection function

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Publication number Priority date Publication date Assignee Title
CN201236715Y (en) * 2008-06-17 2009-05-13 上海大屯能源股份有限公司 Drill rod and drill bit connection apparatus of roof-bolter
CN203346861U (en) * 2013-07-15 2013-12-18 山东省第一地质矿产勘查院 Drilling platform
CN106894763A (en) * 2015-12-17 2017-06-27 天津大港油田圣达科技有限公司 A kind of oil and gas exploration and Work robot
WO2018096160A1 (en) * 2016-11-27 2018-05-31 Maersk Drilling A/S Offshore drilling and a configurable support structure for the same
CN106869793A (en) * 2017-04-20 2017-06-20 陈海永 It is a kind of be easy to fixation build work perforating device under water
CN206737825U (en) * 2017-05-05 2017-12-12 中国葛洲坝集团第五工程有限公司 Construction of Deep-water Pile diving drill machine
CN109178229A (en) * 2018-10-15 2019-01-11 厦门理工学院 The marine floating type platform structure and its detection method for having water sample detection function

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CN110029644A (en) 2019-07-19
CN112030923A (en) 2020-12-04
CN112030922A (en) 2020-12-04
CN112030924A (en) 2020-12-04
CN112030924B (en) 2021-09-14
CN110029644B (en) 2020-11-10

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