CN115162327B - Foundation construction method in house building - Google Patents
Foundation construction method in house building Download PDFInfo
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- CN115162327B CN115162327B CN202210950839.6A CN202210950839A CN115162327B CN 115162327 B CN115162327 B CN 115162327B CN 202210950839 A CN202210950839 A CN 202210950839A CN 115162327 B CN115162327 B CN 115162327B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a foundation construction method in house construction, which comprises the steps of carrying out the insertion operation of a steel bar on the wall of a drilled hole through a steel bar insertion device, fully or partially inserting the steel bar into the wall of the drilled hole, improving the strength of soil around the drilled hole through the steel bar, then lowering a steel bar cage into the drilled hole, and casting concrete, so that a cast concrete pile is firmly fixed in the drilled hole, and the condition that the concrete pile is inclined or subsided is prevented under the action of the steel bar. The invention improves the strength of soil around the drilling hole, avoids the condition that the concrete pile is settled or inclined, further prevents the problem that the overall structural strength of the house building on the concrete pile is reduced, and prevents the condition that the house building is settled or inclined. The invention is suitable for the technical field of foundation construction in building construction.
Description
Technical Field
The invention belongs to the technical field of foundation construction in building construction, and particularly relates to a foundation construction method in house construction.
Background
In building construction, foundation construction is particularly important in order to avoid occurrence of sinking or tilting of a house. At present, the construction of a foundation mainly focuses on the construction of a pile foundation, and most of the existing pile foundation construction adopts a pile driver or a drilling machine to vertically drill a target area, a steel reinforcement cage is released into the drill hole by using a crane after the drilling is finished, and then concrete is poured into the drill hole until the concrete is coagulated. The pile foundation construction of this kind of mode, although prevented the subsidence or the slope of house to a certain extent, but the soil near the concrete pile can't ensure its compactness, even some soil is crowded close in the pore wall of drilling in pile driving process, and the concrete pile can take place certain slope and subsidence like this, can destroy the overall structural strength of house on it to the condition that causes the house building to take place to subside or incline.
Disclosure of Invention
The invention provides a foundation construction method in a house building, which is used for improving the strength of soil around a drilled hole, avoiding the condition that a concrete pile is settled or inclined, further preventing the problem that the strength of the whole structure of the house building on the concrete pile is reduced, and preventing the condition that the house building is settled or inclined.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a foundation construction method in a house building comprises the following steps:
s1, punching a preset area through pile driving equipment;
s2, after the drilling is finished, the drill rod inserting equipment is lowered to the bottom of the drilling hole, the drill rod inserting equipment is gradually lifted, and the steel bar drill rod is inserted into the hole wall of the drilling hole through the drill rod inserting equipment;
s3, drill rod inserting operation is carried out in the drill hole from bottom to top by drill rod inserting equipment until drill rods are inserted to the upper end of the drill hole;
s4, gradually lowering the reinforcement cage into the drill hole through the crane;
s5, pouring concrete into the drilling hole until the drilling hole is filled with the concrete;
s6, repeating the steps S1-S5, and performing other drilling construction.
Further, after the punching operation in the step S1 is completed, the hole is subjected to sectional reaming along the depth direction of the hole by using reaming equipment; in step S2, the drill rod inserting device inserts the drill rod into the hole enlarging position of the drill hole, and one end of the drill rod positioned at the hole enlarging position is exposed.
Further, in step S2, the drill rod inserting apparatus inserts the drill rod into the inner wall of the borehole in the horizontal direction, or inserts the drill rod into the inner wall of the borehole in the obliquely upward direction, or inserts the drill rod into the inner wall of the borehole in the obliquely downward direction, or inserts the drill rod into the inner wall of the borehole in at least two of the three insertion directions.
Further, the reaming equipment comprises a rotary digging mechanism which is constructed at the lower end of the rotary rod, an opening and closing mechanism is constructed between the rotary digging mechanism and the drill rod, the rotary digging mechanism is driven by the opening and closing mechanism to open and close, and the upper end of the rotary rod is connected with a power head of the pile driver.
Further, the rotary digging mechanism comprises a plurality of rotary digging claws uniformly arranged below the rotary rod along the circumferential direction of the rotary rod, and the upper end of each rotary digging claw is hinged with a mounting disc at the lower end of the rotary rod; the opening and closing mechanism comprises a guide rod inserted in an assembly cavity at the lower end of the rotating rod, the lower end of the guide rod is connected with each rotary digging claw through a plurality of connecting rods, the two ends of each connecting rod are hinged with the rotary digging claws and the guide rod respectively, the upper end of the guide rod is provided with a piston head, the assembly cavity is divided into an upper hydraulic cavity and a lower hydraulic cavity by the piston head, the upper hydraulic cavity is communicated with the first hydraulic channel through a first guide pipe, the lower hydraulic cavity is communicated with the second hydraulic channel through a second guide pipe, the first hydraulic channel and the second hydraulic channel are arranged in the rotating rod side by side and extend to the upper end of the rotating rod, an adapter is sleeved outside the rotating rod, and the adapter is provided with two independent cavities which are respectively communicated with the first hydraulic channel and the second hydraulic channel.
Further, the bar inserting equipment comprises a bar accommodating frame constructed at the upper end of the bar inserting sleeve, a pushing and blanking mechanism is arranged on the bar accommodating frame, a mounting rod sequentially passes through the pushing and blanking mechanism and the bar accommodating frame from top to bottom and stretches into the bar inserting sleeve, a bar ejecting mechanism is arranged at the lower part of the mounting rod and below the bar accommodating frame, and an adjusting mechanism for driving one end, connected with the bar ejecting mechanism, of the bar ejecting mechanism to move vertically is arranged at the lower end of the mounting rod.
Further, the steel bar drill rod placing frame comprises a plurality of material placing frames which are uniformly arranged along the circumferential direction of the drill rod inserting sleeve, each material placing frame is provided with a material placing cavity which extends vertically, a discharge hole is formed at the lower end of the material placing cavity, and a plurality of positioning beads are uniformly arranged on two opposite side walls of the discharge hole; an assembling port is formed between the adjacent material placing frames, an air bag is arranged in each assembling port, each air bag is communicated with the annular air distribution pipe through an air pipe, and a joint pipe is constructed on the annular air distribution pipe.
Further, the top pressing and blanking mechanism comprises a connecting plate which is assembled on the mounting rod and can be driven to vertically displace, a plurality of pressing plates are uniformly arranged on the connecting plate along the circumferential direction of the connecting plate, and each pressing plate extends into the corresponding blanking cavity and is pressed on the uppermost steel bar drill rod in the blanking cavity.
Further, the steel bar pushing mechanism comprises an assembly rod connected with the lower end of the installation rod, a plurality of pushing pieces are uniformly arranged on the circumference of the assembly rod, each pushing piece comprises a telescopic oil cylinder or a multi-stage air cylinder, an arc-shaped trough is connected to the cylinder body of each pushing piece, one end of each arc-shaped trough, far away from the cylinder body, is connected with a hollow ball head, a bowl-shaped hole is formed in the peripheral wall of the drill rod inserting sleeve, the hollow ball heads are assembled in the bowl-shaped holes, each arc-shaped trough is communicated with the outside through a straight-through channel of each hollow ball head, the cylinder body of each pushing piece is hinged with the assembly rod, and the cylinder rod of each pushing piece is driven to reciprocate along the straight-through channel from one end of each arc-shaped trough to each hollow ball head.
Further, a sliding sleeve is movably sleeved on the assembly rod, the end part of the cylinder body of each propping piece is hinged to the outer wall of the sliding sleeve, the adjusting mechanism comprises a fixed sleeve and a guide sleeve, the lower end of the guide sleeve is slidably assembled in the fixed sleeve, the lower end of the fixed sleeve is provided with a connecting flange, the connecting flange is connected with the connecting flange at the lower end of the assembly rod through a plurality of bolts, the guide sleeve is sleeved outside the assembly rod, the upper end of the guide sleeve is connected with the sliding sleeve, the lower end of the guide sleeve is provided with a piston disc, the inner cavity of the fixed sleeve is divided into a first medium cavity and a second medium cavity by the piston disc, a first joint and a second joint are formed on the fixed sleeve, and the first joint and the second joint are respectively communicated with the first medium cavity and the second medium cavity.
Compared with the prior art, the invention adopts the structure, and the technical progress is that: after the punching is finished, the drill rod inserting operation is carried out on the hole wall of the hole by using drill rod inserting equipment, the drill rod is uniformly inserted into the hole wall of the hole in general, and the drill rod can be fully or partially inserted into the hole wall, most of the drill rods are used for enabling the poured steel reinforcement cage to be connected with the steel reinforcement cage through concrete, so that the integral anti-sedimentation and anti-tilting capabilities of the concrete pile are improved, one end of the drill rod extends into soil in the process of inserting the drill rod into the inner wall of the hole, the other end of the drill rod is exposed outside, and therefore, when the concrete is poured, the exposed part of the part is connected with the steel reinforcement cage through the concrete; according to the invention, the strength of soil around the drill hole is improved through the reinforcing bars, so that the poured concrete pile is firmly fixed in the drill hole, and the concrete pile is prevented from tilting or sinking under the action of the reinforcing bars; in conclusion, the invention improves the strength of soil around the drilling hole, avoids the condition that the concrete pile is settled or inclined, further prevents the problem that the overall structural strength of the house building on the concrete pile is reduced, and simultaneously prevents the condition that the house building is settled or inclined.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of a reaming apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the reaming apparatus according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the axial structure of the reaming apparatus in an embodiment of the invention;
FIG. 4 is a schematic structural view of a drill rod inserting apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic view of another angle of the drill rod inserting apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic view of a partial structure of the drill rod apparatus according to an embodiment of the present invention with the air bag removed;
fig. 7 is a schematic structural view of a top blanking mechanism and a steel bar ejection mechanism in the drill rod inserting device according to the embodiment of the invention;
fig. 8 is a schematic structural view of connection between a drill sleeve and a drill rack in the drill equipment according to the embodiment of the invention;
FIG. 9 is a top view of the structure of the drill rod device at the discharge port at the lower end of the material cavity;
FIG. 10 is a partial cross-sectional view of another embodiment of the present invention;
fig. 11 is a schematic structural view of a steel bar ejection mechanism in the drill rod inserting device according to the embodiment of the invention;
FIG. 12 is a schematic view of the structure of FIG. 11 with the arcuate trough and hollow bulb removed;
FIG. 13 is a schematic view of the construction of the drill rod apparatus according to the embodiment of the present invention after the roof pressing piece and the arc-shaped trough are separated;
FIG. 14 is a schematic view showing a structure in which a plurality of air bags are communicated in the drill rod inserting apparatus according to the embodiment of the present invention;
FIG. 15 is an axial structural cross-sectional view of an adjustment mechanism in a drill rod setting device according to an embodiment of the present invention;
fig. 16 is a schematic structural view of a bar and cage arrangement in a borehole in accordance with an embodiment of the present invention.
Marking parts: 100-rotating rod, 101-upper hydraulic cavity, 102-lower hydraulic cavity, 103-first guide pipe, 104-second guide pipe, 105-first hydraulic channel, 106-second hydraulic channel, 107-adapter, 108-mounting plate, 200-guide rod, 201-rotary digging claw, 202-connecting rod, 300-steel bar rack, 301-material placing frame, 302-material placing cavity, 303-assembly port, 304-material outlet, 305-positioning bead, 400-drill rod inserting sleeve, 401-bowl-shaped hole, 500-mounting rod, 501-connecting flange, 502-pneumatic clutch, 503-assembly rod, 600-top blanking mechanism, 601-connecting plate, 602-pressing plate, 603-electric cylinder, 604-connecting seat, 700-steel bar ejecting mechanism, 701-pressing piece, 7011-cylinder, 7012-cylinder rod, 702-sliding sleeve, 703-first hydraulic pipe, 704-second hydraulic pipe, 705-first ring pipe, 706-second ring pipe, 707-fixing flange, 708-arc-shaped trough, 709-fixing edge, 710-guiding edge, 711-hollow ball head, 712-through channel, 800-air bag, 801-annular air distribution pipe, 802-ventilation pipe, 803-joint pipe, 900-adjusting mechanism, 901-fixing sleeve, 902-guiding sleeve, 903-first medium cavity, 904-second medium cavity, 905-first joint, 906-second joint, 907-connecting flange, 1000-drilling, 1001-reaming place, 1100-steel bar, 1200-reinforcement cage.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses a foundation construction method in a house building, which comprises the following steps:
s1, punching a preset area through pile driving equipment;
s2, after the punching is finished, the drill rod inserting device is lowered to the bottom of the drill hole 1000, then the drill rod inserting device is gradually lifted, and the steel bar 1100 is inserted into the hole wall of the drill hole 1000 through the drill rod inserting device;
s3, drill rod inserting operation is carried out in the drill hole 1000 from bottom to top by drill rod inserting equipment until drill rod inserting is carried out to the upper end of the drill hole 1000;
s4, gradually lowering the reinforcement cage 1200 into the drilling hole 1000 through the crane;
s5, pouring concrete into the drill hole 1000 until the drill hole 1000 is filled with the concrete;
s6, repeating the steps S1-S5, and performing other construction of the drilling hole 1000.
The invention has the advantages that: after the hole is punched, the steel bar 1100 is inserted into the hole wall of the hole 1000 by using the drill rod inserting equipment, the steel bar 1100 is uniformly inserted into the hole wall of the hole 1000 in general, and the steel bar 1100 can be fully or partially inserted into the hole wall, most of the steel bar cages 1200 and the steel bar cages 1200 after pouring can be connected through concrete, so that the integral anti-sedimentation and anti-tilting capabilities of concrete piles are improved, one end of the steel bar 1100 extends into soil in the process of inserting the steel bar 1100 into the inner wall of the hole 1000, and the other end is exposed outside, so that the exposed part of the concrete and the steel bar cages 1200 are connected together by the concrete in the process of pouring the concrete; the strength of soil around the drill hole 1000 is improved through the reinforcing bars 1100, so that the poured concrete pile is firmly fixed in the drill hole 1000, and the concrete pile is prevented from tilting or sinking under the action of the reinforcing bars 1100; in conclusion, the invention improves the strength of soil around the drilling hole 1000, avoids the condition that the concrete pile is subsided or inclined, further prevents the problem that the overall structural strength of the house building on the concrete pile is reduced, and simultaneously prevents the condition that the house building is subsided or inclined.
As a preferred embodiment of the present invention, after the hole punching operation of the above step S1 is completed, the hole-punching device is used to perform the sectional hole-punching of the drill hole 1000 in the depth direction of the drill hole 1000; in step S2, the drill rod inserting apparatus inserts the drill rod 1100 into the hole enlarging portion 1001 of the drill hole 1000, and one end of the drill rod 1100 located at the hole enlarging portion 1001 is exposed. As shown in fig. 16, the working principle of this embodiment is: the embodiment performs sectional reaming on the drilling hole 1000 through reaming equipment, inserts the reinforcing bar 1100 into the reaming part 1001, then performs installation of the reinforcement cage 1200 and subsequent concrete pouring on the drilling hole 1000, and the concrete pile formed by pouring is provided with a plurality of limiting bosses, because the reinforcing bar 1100 is arranged in the limiting bosses, the strength of the limiting bosses is improved, the limiting bosses have good anti-sedimentation and anti-tilting capabilities, and are matched with the reinforcing bars 1100 in the soil around the drilling hole 1000, so that the concrete pile is stable in structure, and meanwhile, the concrete pile has higher anti-sedimentation and anti-tilting capabilities.
As a preferred embodiment of the present invention, in step S2, the drill rod inserting apparatus inserts the drill rod 1100 into the inner wall of the borehole 1000 in the horizontal direction, or inserts the drill rod 1100 into the inner wall of the borehole 1000 in the obliquely upward direction, or inserts the drill rod 1100 into the inner wall of the borehole 1000 in the obliquely downward direction, or inserts the drill rod 1100 into the inner wall of the borehole 1000 in at least two of these three insertion directions. The advantages of this embodiment are: because the angle that the bar 1100 inserted in the borehole 1000 pore wall is different for concrete pile has when subsideing or the trend of slope, the bar 1100 on the different directions can realize the offset of external force on the different directions, and the bar 1100 of different directions coacts on concrete pile, plays the effect of pinning concrete pile, and then has avoided concrete pile to take place the condition of subsidence or slope.
The invention also discloses foundation construction reaming equipment in house construction, as shown in fig. 1-3, comprising a rotating rod 100, a rotary digging mechanism and an opening and closing mechanism, wherein the rotary digging mechanism is constructed at the lower end of the rotating rod 100, the opening and closing mechanism is constructed between the rotary digging mechanism and a drill rod, the opening and closing mechanism is used for driving the rotary digging mechanism to do opening and closing actions, further rotary digging with different apertures is realized, the upper end of the rotating rod 100 is connected with a power head of a pile driver, the power head drives the rotating rod 100 to rotate, and the rotary digging mechanism punches holes in the rotating process of the rotating rod 100. The reaming equipment mainly aims at the drilled hole 1000, namely, the rotating rod 100 is lowered to a preset position of the drilled hole 1000 with the rotary drilling mechanism, and the rotary drilling mechanism is unfolded through the opening and closing mechanism, so that the rotary drilling mechanism performs reaming operation on the area of the drilled hole 1000.
As a preferred embodiment of the present invention, as shown in fig. 3, the rotary excavating mechanism includes a plurality of rotary excavating claws 201 disposed under the rotary rod 100, the rotary excavating claws 201 being uniformly disposed along the circumference of the rotary rod 100, and an upper end of each rotary excavating claw 201 being hinged to the mounting plate 108 at a lower end of the rotary rod 100. The opening and closing mechanism of the present embodiment includes a guide bar 200, the guide bar 200 is inserted into an assembly cavity at the lower end of the rotating bar 100, the lower end of the guide bar 200 is connected with each rotary digging jaw 201 through a plurality of connecting bars 202, and both ends of each connecting bar 202 are respectively hinged with the rotary digging jaw 201 and the guide bar 200. The present embodiment is configured with a piston head at the upper end of the guide rod 200, which divides the assembly chamber into an upper hydraulic chamber 101 and a lower hydraulic chamber 102, wherein the upper hydraulic chamber 101 communicates with a first hydraulic passage 105 via a first conduit 103, and the lower hydraulic chamber 102 communicates with a second hydraulic passage 106 via a second conduit 104. The first hydraulic channel 105 and the second hydraulic channel 106 of this embodiment are arranged in the rotating rod 100 side by side, and both extend to the upper end of the rotating rod 100, and an adapter 107 is rotatably sleeved outside the rotating rod 100, and the adapter 107 has two independent chambers, and the two chambers are respectively communicated with the first hydraulic channel 105 and the second hydraulic channel 106. The working principle of the embodiment is as follows: the hydraulic oil enters the upper hydraulic cavity 101 through a first hydraulic passage 105 and a first conduit 103 from an external hydraulic pump station, the hydraulic oil in the lower hydraulic cavity 102 enters the other cavity of the adapter 107 through a second conduit 104 and a second hydraulic passage 106, and is discharged to the external hydraulic pump station, so that the guide rod 200 is displaced downwards, and the guide rod 200 drives the rotary digging claw 201 to open through the connecting rod 202, thereby realizing the purpose of reaming and rotary digging; when the rotary digging claw 201 needs to be folded, hydraulic oil enters the lower hydraulic cavity 102, and hydraulic oil in the upper hydraulic cavity 101 is discharged, so that the guide rod 200 is displaced upwards, and the rotary digging claw 201 is driven to be folded.
The invention also discloses foundation construction drill rod inserting equipment in house construction, which comprises a mounting rod 500, a drill rod sleeve 400, a drill rod placing frame 300, a top blanking mechanism 600, a drill rod ejection mechanism 700 and an adjusting mechanism 900 as shown in figures 4-15. Wherein, the bar drill rack 300 is constructed at the upper end of the bar drill sleeve 400, the top blanking mechanism 600 is arranged on the bar drill rack 300, the installation rod 500 sequentially passes through the top blanking mechanism 600 and the bar drill rack 300 from top to bottom and stretches into the bar drill sleeve 400, the bar drill ejection mechanism 700 is arranged at the lower part of the installation rod 500, and the bar drill ejection mechanism 700 is positioned below the bar drill rack 300. The adjusting mechanism 900 of the embodiment is installed at the lower end of the installation rod 500 and is connected with the steel bar ejection mechanism 700, and the adjusting mechanism 900 has the functions of: for driving the bar code ejection mechanism 700 to move vertically at the end connected to the mounting bar 500. The working principle of the embodiment is as follows: the pushing and blanking mechanism 600 pushes down the bar 1100 on the bar rack 300, so that the bar 1100 enters the bar ejecting mechanism 700, and then the bar ejecting mechanism 700 ejects and inserts the bar 1100 into the inner wall of the borehole 1000. According to the embodiment, the rotation angle of the whole structure in the drill hole 1000 can be adjusted, so that the steel bar 1100 can be inserted into different positions of the drill hole 1000 at different depths, and the strength of soil around the drill hole 1000 can be improved. The vertical inclination angle of the bar code ejection mechanism 700 is adjusted by the adjusting mechanism 900, so that the bar code 1100 is inserted into the inner wall of the drill hole 1000 along different inclination angles.
As a preferred embodiment of the present invention, as shown in fig. 8, the bar rack 300 includes a plurality of material placing frames 301, the material placing frames 301 are uniformly arranged along the circumference of the bar bushing 400, each material placing frame 301 includes a material placing cavity 302 extending in the vertical direction, and the bar 1100 is placed in the material placing cavities 302 in sequence in the vertical direction. As shown in fig. 9, in this embodiment, a discharge hole 304 is formed at the lower end of a material placing cavity 302, a plurality of positioning beads 305 are uniformly installed on two opposite side walls of the discharge hole 304, the positioning beads 305 play a role in limiting a bar 1100 located at the lowest part in the material placing cavity 302, a top blanking mechanism 600 pushes the bar 1100 at the highest part downwards to move downwards, so that the bar 1100 at the lowest part extrudes the positioning beads 305, the positioning beads 305 retract, the bar 1100 passes through the discharge hole 304, the positioning beads 305 return after the bar 1100 passes through the discharge hole 304, the discharge hole 304 is closed, and the bar 1100 passing through the discharge hole 304 is inserted into the inner wall of a drill hole 1000 by the bar ejection mechanism 700. In order to fix the drill rod sleeve 400 and the inner wall of the drill hole 1000 during the process of inserting the drill rod 1100 into the soil, so that the drill rod 1100 is inserted smoothly, stably and at a predetermined angle, in a specific manner, an assembly port 303 is formed between adjacent material placing frames 301, an air bag 800 is assembled in each assembly port 303, as shown in fig. 14, each air bag 800 is communicated with an annular gas distribution pipe 801 through a vent pipe 802, a joint pipe 803 is constructed on the annular gas distribution pipe 801, gas enters the annular gas distribution pipe 801 through the joint pipe 803, and the annular gas distribution pipe 801 distributes the gas to each air bag 800, so that the air bags 800 are inflated and tightly expanded on the inner wall of the drill hole 1000.
As a preferred embodiment of the present invention, as shown in fig. 6 to 7, the top blanking mechanism 600 includes a connection plate 601 and a plurality of pressing plates 602, the pressing plates 602 each have a bar-like structure, wherein the connection plate 601 is assembled to the mounting bar 500, and the connection plate 601 is displaced in a vertical direction by an external force. The plurality of pressing plates 602 are uniformly arranged on the connecting plate 601 along the circumferential direction of the connecting plate 601, and each pressing plate 602 extends into the corresponding material placing cavity 302, and the uppermost steel bar 1100 in the material placing cavity 302 pressed by the lower end of the pressing plate 602. In this embodiment, in the process that the connecting plate 601 is driven to move downward along the vertical direction, the connecting plate 601 drives each pressing plate 602 to move downward, so that the steel bars 1100 located at the lowest position in each material placing cavity 302 are supplied to the steel bar ejection mechanism 700 through the discharge hole 304, and then the steel bar ejection mechanism 700 uniformly and synchronously ejects the steel bars 1100 into the inner wall of the drill hole 1000 along the circumferential direction of the drill hole 1000. The top blanking mechanism 600 of the present embodiment is divided into two driving modes, wherein, in the first mode, as shown in fig. 4, a connecting seat 604 is installed on a mounting rod 500, at least one electric cylinder 603 is connected to the connecting seat 604, the electric cylinder 603 is vertically arranged, the output end of the electric cylinder 603 is connected with a connecting plate 601, and the electric cylinder 603 is used for driving the connecting plate 601 to move downwards, so that the steel bar borers 1100 are supplied to the steel bar borer ejection mechanism 700 one by one from a discharge hole 304; second, as shown in fig. 10, an assembling rod 503 is provided at the lower end of the assembling rod 500, a bar pin ejection mechanism 700 is connected with the assembling rod 503, a pneumatic clutch 502 is installed between the assembling rod 500 and the assembling rod 503, the assembling rod 500 is connected with a connecting plate 601 by screw, when bar pin 1100 is required to be supplied to the bar pin ejection mechanism 700, an air bag 800 is inflated on the inner wall of the drill hole 1000, the pneumatic clutch 502 disconnects the assembling rod 500 from the assembling rod 503, as the assembling rod 500 rotates by a certain angle, the connecting plate 601 drives a pressing plate 602 to move gradually downwards, at this time, the bar pin ejection mechanism 700 and the bar pin sleeve 400 keep a relatively stationary state with the drill hole 1000 under the action of the air bag 800, so that the pressing plate 602 presses down and supplies the bar pin 1100 positioned at the lowest position to the bar pin ejection mechanism 700, when the bar pin ejection mechanism 700 and the bar pin sleeve 400 need to be synchronously rotated, so that when the bar pin 1100 is inserted into other positions in the circumferential direction of the drill hole 1000, the pneumatic clutch 502 is controlled to connect the assembling rod 500 with the assembling rod 503, and thus, when the assembling rod 500 rotates, the bar pin ejection mechanism 300, the bar pin ejection mechanism 600 is driven to rotate to the bar pin ejection mechanism 700 to the position of the bar pin 1100 at a predetermined position.
As a preferred embodiment of the present invention, as shown in fig. 11 to 13, the bar pin ejection mechanism 700 includes the above-mentioned assembly bar 503, the assembly bar 503 is disposed at the lower end of the installation bar 500, and a plurality of pressing members 701 are uniformly disposed in the circumferential direction of the assembly bar 503, wherein the pressing members 701 include a telescopic cylinder or a multistage cylinder, and a telescopic cylinder is generally used. Taking telescopic cylinders as an example, a cylinder body 7011 of each telescopic cylinder is connected with a first hydraulic pipe 703 and a second hydraulic pipe 704, the first hydraulic pipes 703 of each telescopic cylinder are connected with a first annular pipe 705, each second hydraulic pipe 704 is connected with a second annular pipe 706, hydraulic oil enters each cylinder body 7011 after passing through the first annular pipe 705 and each first hydraulic pipe 703, and accordingly the extension of a cylinder rod 7012 and the outward ejection of a steel bar 1100 are achieved; hydraulic oil passes through the second loop 706 and each second hydraulic tube 704 and then enters each cylinder 7011, thereby retracting the cylinder rod 7012. In order to facilitate alignment of the bar 1100 with the end of the corresponding cylinder rod 7012 after falling from the discharge port 304, the present embodiment is provided with an arc-shaped trough 708 connected to the cylinder 7011, wherein a fixing flange 707 is configured at one end of the cylinder 7011 away from the assembly rod 503, a fixing edge 709 is configured at one end of the arc-shaped trough 708 near the cylinder 7011, the fixing flange 707 and the fixing edge 709 are connected by a plurality of connecting bolts, the connecting bolts connecting the fixing flange 707 and the fixing edge 709 are longer, and the fixing flange 707 and the fixing edge 709 are movably connected after being connected, i.e. the distance between the fixing flange 707 and the fixing edge 709 is gradually increased during the process of driving the fixing flange 707 and the fixing edge 709 to incline upwards or downwards, so as to adapt to the change of the connecting length of the fixing flange 707 and the fixing edge 709. The connection between the fixing flange 707 and the fixing edge 709 of the present embodiment may be connected by using a wave spring, and when the inclination angle of the fixing flange 707 and the fixing edge 709 is adjusted, the wave spring is elastically deformed, so as to adapt to the change of the connection length between the cylinder 7011 and the arc-shaped trough 708. In this embodiment, a hollow ball head 711 is connected to one end of an arc-shaped trough 708 far away from the cylinder 7011, a plurality of bowl-shaped holes 401 are formed in the peripheral wall of the drill rod inserting sleeve 400, the hollow ball heads 711 are assembled in the corresponding bowl-shaped holes 401, and the arc-shaped trough 708 is communicated with the outside through a through channel 712 of the hollow ball head 711. In this embodiment, the cylinder 7011 of each telescopic cylinder is hinged to the assembly rod 503, and the cylinder rod 7012 of the telescopic cylinder is driven by hydraulic oil to reciprocate along a straight-through channel 712 from one end of the arc-shaped trough 708 to the hollow ball 711. The working principle of the embodiment is as follows: the steel bar 1100 falls into the arc-shaped trough 708 through the discharge hole 304, and then the cylinder rod 7012 pushes one end of the steel bar 1100 to move outwards and is inserted into the inner wall of the drill hole 1000 after passing through the through channel 712 of the hollow ball head 711; when the insertion angle of the steel bar 1100 is adjusted, the adjusting mechanism 900 drives the end part of the telescopic cylinder 7011 to move along the vertical direction, and the arc-shaped trough 708 is driven to move synchronously in the moving process of the cylinder 7011, and the hollow ball head 711 is hinged with the drill sleeve 400 through the bowl-shaped hole 401, so that the adjustment of the inclination angle of the telescopic cylinder along the vertical direction is realized. In order to facilitate the bar 1100 to enter the arc-shaped trough 708, the two sides of the arc-shaped trough 708 are respectively provided with the outwards extending guide edges 710, so that the range of the arc-shaped trough 708 for receiving the bar 1100 is increased, and the bar 1100 is prevented from being separated from the arc-shaped trough 708.
As a preferred embodiment of the present invention, as shown in fig. 15, a sliding sleeve 702 is movably sleeved on the assembling rod 503, the cross section of the assembling rod 503 is a regular polygon, the cross section of the inner wall of the sliding sleeve 702 is also a regular polygon matched with the assembling rod 503, and the end of the cylinder 7011 of each pressing member 701 is hinged at the outer wall of the sliding sleeve 702. The adjusting mechanism 900 of the present embodiment includes a fixing sleeve 901 and a guide sleeve 902, wherein the lower end of the guide sleeve 902 is slidably fitted in the fixing sleeve 901, the lower end of the fixing sleeve 901 is configured with a connecting flange 907, and the connecting flange 907 is connected with the connecting flange 501 of the lower end of the fitting lever 503 by a plurality of bolts. The guide sleeve 902 of the embodiment is sleeved outside the assembly rod 503, the upper end of the guide sleeve 902 is connected with the sliding sleeve 702, the lower end of the guide sleeve 902 is provided with a piston disc which divides the inner cavity of the fixing sleeve 901 into a first medium cavity 903 and a second medium cavity 904, a first joint 905 and a second joint 906 are arranged on the fixing sleeve 901, and the first joint 905 and the second joint 906 are respectively communicated with the first medium cavity 903 and the second medium cavity 904. Hydraulic oil enters the first medium cavity 903 or the second medium cavity 904, so that the guide sleeve 902 drives the sliding sleeve 702 to move along the axial direction of the assembly rod 503, and the sliding sleeve 702 drives each cylinder 7011 to move, and the pushing piece 701 is enabled to incline upwards or downwards or be in a horizontal state, and the steel bar 1100 pushed out by the pushing piece 701 is enabled to incline upwards or downwards or be horizontally inserted into the inner wall of the drill hole 1000.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The foundation construction method in the house building is characterized by comprising the following steps:
s1, punching a preset area through pile driving equipment;
s2, after the drilling is finished, the drill rod inserting equipment is lowered to the bottom of the drilling hole, the drill rod inserting equipment is gradually lifted, and the steel bar drill rod is inserted into the hole wall of the drilling hole through the drill rod inserting equipment;
s3, drill rod inserting operation is carried out in the drill hole from bottom to top by drill rod inserting equipment until drill rods are inserted to the upper end of the drill hole;
s4, gradually lowering the reinforcement cage into the drill hole through the crane;
s5, pouring concrete into the drilling hole until the drilling hole is filled with the concrete;
s6, repeating the steps S1-S5, and performing other drilling construction;
the drill rod inserting equipment comprises a drill rod placing frame constructed at the upper end of a drill rod inserting sleeve, a pushing and blanking mechanism is arranged on the drill rod placing frame, a mounting rod sequentially passes through the pushing and blanking mechanism and the drill rod placing frame from top to bottom and stretches into the drill rod inserting sleeve, a drill rod ejection mechanism is arranged at the lower part of the mounting rod and below the drill rod placing frame, and an adjusting mechanism used for driving one end, connected with the mounting rod, of the drill rod ejection mechanism to move vertically is arranged at the lower end of the mounting rod.
2. A method of foundation construction in a building construction according to claim 1, wherein: after the punching operation in the step S1 is finished, using reaming equipment to conduct sectional reaming on the drilled holes along the depth direction of the drilled holes; in step S2, the drill rod inserting device inserts the drill rod into the hole enlarging position of the drill hole, and one end of the drill rod positioned at the hole enlarging position is exposed.
3. A method of foundation construction in a building construction according to claim 1, wherein: in step S2, the drill rod inserting apparatus inserts the drill rod into the inner wall of the borehole in the horizontal direction, or inserts the drill rod into the inner wall of the borehole in the obliquely upward direction, or inserts the drill rod into the inner wall of the borehole in the obliquely downward direction, or inserts the drill rod into the inner wall of the borehole in at least two of the three insertion directions.
4. A method of foundation construction in a building construction according to claim 2, wherein: the reaming equipment comprises a rotary digging mechanism which is constructed at the lower end of the rotating rod, an opening and closing mechanism is constructed between the rotary digging mechanism and the drill rod, the rotary digging mechanism is driven by the opening and closing mechanism to open and close, and the upper end of the rotating rod is connected with a power head of the pile driver.
5. A method of foundation construction in a building construction according to claim 4, wherein: the rotary digging mechanism comprises a plurality of rotary digging claws which are uniformly arranged below the rotary rod along the circumferential direction of the rotary rod, and the upper end of each rotary digging claw is hinged with a mounting disc at the lower end of the rotary rod; the opening and closing mechanism comprises a guide rod inserted in an assembly cavity at the lower end of the rotating rod, the lower end of the guide rod is connected with each rotary digging claw through a plurality of connecting rods, the two ends of each connecting rod are hinged with the rotary digging claws and the guide rod respectively, the upper end of the guide rod is provided with a piston head, the assembly cavity is divided into an upper hydraulic cavity and a lower hydraulic cavity by the piston head, the upper hydraulic cavity is communicated with the first hydraulic channel through a first guide pipe, the lower hydraulic cavity is communicated with the second hydraulic channel through a second guide pipe, the first hydraulic channel and the second hydraulic channel are arranged in the rotating rod side by side and extend to the upper end of the rotating rod, an adapter is sleeved outside the rotating rod, and the adapter is provided with two independent cavities which are respectively communicated with the first hydraulic channel and the second hydraulic channel.
6. A method of foundation construction in a building construction according to claim 1, wherein: the steel bar drill rod placing frame comprises a plurality of material placing frames which are uniformly arranged along the circumferential direction of the drill rod inserting sleeve, each material placing frame is provided with a material placing cavity which extends vertically, a discharge hole is formed at the lower end of the material placing cavity, and a plurality of positioning beads are uniformly arranged on two opposite side walls of the discharge hole; an assembling port is formed between the adjacent material placing frames, an air bag is arranged in each assembling port, each air bag is communicated with the annular air distribution pipe through an air pipe, and a joint pipe is constructed on the annular air distribution pipe.
7. A method of foundation construction in a building construction according to claim 6, wherein: the pressing and blanking mechanism comprises a connecting plate which is assembled on the mounting rod and can be driven to vertically displace, a plurality of pressing plates are uniformly arranged on the connecting plate along the circumference of the connecting plate, and each pressing plate extends into the corresponding blanking cavity and is pressed on the uppermost steel bar in the blanking cavity.
8. A method of foundation construction in a building construction according to claim 1, wherein: the steel bar drill ejection mechanism comprises an assembly rod connected with the lower end of an installation rod, a plurality of ejection pieces are uniformly arranged on the circumference of the assembly rod, each ejection piece comprises a telescopic oil cylinder or a multi-stage air cylinder, an arc-shaped trough is connected to a cylinder body of the ejection piece, one end of the arc-shaped trough, which is far away from the cylinder body, is connected with a hollow ball head, a bowl-shaped hole is formed in the peripheral wall of a drill rod inserting sleeve, the hollow ball head is assembled in the bowl-shaped hole, the arc-shaped trough is communicated with the outside through a straight-through channel of the hollow ball head, the cylinder body of each ejection piece is hinged with the assembly rod, and the cylinder rod of the ejection piece is driven to reciprocate along the straight-through channel from one end of the arc-shaped trough to the hollow ball head.
9. A method of foundation construction in a building construction according to claim 8, wherein: the cylinder body end of each propping piece is hinged to the outer wall of the sliding sleeve, the adjusting mechanism comprises a fixed sleeve and a guide sleeve, the lower end of the guide sleeve is slidably assembled in the fixed sleeve, the lower end of the fixed sleeve is provided with a connecting flange, the connecting flange is connected with the connecting flange at the lower end of the assembling rod through a plurality of bolts, the guide sleeve is sleeved outside the assembling rod, the upper end of the guide sleeve is connected with the sliding sleeve, the lower end of the guide sleeve is provided with a piston disc, the inner cavity of the fixed sleeve is divided into a first medium cavity and a second medium cavity by the piston disc, a first joint and a second joint are formed on the fixed sleeve, and the first joint and the second joint are respectively communicated with the first medium cavity and the second medium cavity.
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| CN202210950839.6A CN115162327B (en) | 2022-08-09 | 2022-08-09 | Foundation construction method in house building |
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| CN202210950839.6A CN115162327B (en) | 2022-08-09 | 2022-08-09 | Foundation construction method in house building |
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| CN118129570B (en) * | 2024-05-07 | 2024-07-09 | 北京市市政工程研究院 | Detection device for sediment thickness in foundation engineering construction |
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