CN115162327A - Foundation construction method in house building - Google Patents
Foundation construction method in house building Download PDFInfo
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- CN115162327A CN115162327A CN202210950839.6A CN202210950839A CN115162327A CN 115162327 A CN115162327 A CN 115162327A CN 202210950839 A CN202210950839 A CN 202210950839A CN 115162327 A CN115162327 A CN 115162327A
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- rod
- drill
- hole
- drill rod
- steel bar
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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 a house building, which comprises the steps of carrying out insertion operation of a steel bar drill rod on the hole wall of a drilled hole through a drill rod insertion device, inserting the steel bar drill rod into the hole wall completely or partially, improving the strength of soil around the drilled hole through the steel bar drill rod, then lowering a steel reinforcement cage into the drilled hole, and pouring concrete, so that a poured concrete pile is stable in the drilled hole, and the concrete pile is prevented from inclining or settling under the action of the steel bar drill rod. The invention improves the strength of the soil around the drill hole, avoids the condition that the concrete pile is settled or inclined, further prevents the problem that the strength of the whole structure of the house building on the concrete pile is reduced, and prevents the condition that the house building is sunk 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, the construction of a foundation is particularly important in order to avoid sinking or tilting of a building. At present, the construction of ground mainly focuses on the construction of pile foundation, and current pile foundation construction mostly does, adopts pile driver or rig to carry out vertical drilling to the target area, uses the loop wheel machine to release the steel reinforcement cage into the drilling after the drilling, carries out pouring of concrete again to the drilling, until the concrete sets. The pile foundation construction of the mode prevents sinking or inclining of the house to a certain extent, but the soil near the concrete pile cannot ensure the compactness of the concrete pile, even if part of the soil is compacted in the hole wall of the drilled hole in the piling process, the concrete pile can incline and subside to a certain extent, the overall structural strength of the house above the concrete pile can be damaged, and the house building can sink 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 purpose, the technical scheme adopted by the invention is as follows:
a foundation construction method in house construction comprises the following steps:
s1, punching a preset area through piling equipment;
s2, after the drilling is finished, lowering the drill rod inserting equipment to the bottom of the drilled hole, gradually lifting the drill rod inserting equipment, and inserting a reinforcing steel bar drill rod into the hole wall of the drilled hole through the drill rod inserting equipment;
s3, carrying out drill rod inserting operation in the drill hole from bottom to top by the drill rod inserting equipment until the drill rod is inserted to the upper end of the drill hole;
s4, gradually lowering the reinforcement cage into the drill hole through a crane;
s5, pouring concrete into the drilled hole until the drilled hole is filled with the concrete;
and S6, repeating the steps S1-S5, and performing other drilling construction.
Further, after the drilling operation in the step S1 is completed, performing sectional reaming on the drill hole along the depth direction of the drill hole by using reaming equipment; in step S2, the drill rod inserting device inserts the reinforcing steel rod into the reamed hole of the drill hole, and one end of the reinforcing steel rod at the reamed hole is exposed.
Further, in step S2, the inserting device inserts the reinforcing bar into the inner wall of the drilled hole in a horizontal direction, or inserts the reinforcing bar into the inner wall of the drilled hole in an obliquely upward direction, or inserts the reinforcing bar into the inner wall of the drilled hole in an obliquely downward and upward direction, or inserts the reinforcing bar into the inner wall of the drilled hole in at least two of the three inserting directions.
Furthermore, the reaming equipment comprises a rotary digging mechanism 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 perform opening and closing actions, and the upper end of the rotating rod is connected with a power head of the pile driver.
Furthermore, the rotary digging mechanism comprises a plurality of rotary digging claws which are uniformly arranged below the rotating rod along the circumferential direction of the rotating rod, and the upper end of each rotary digging claw is hinged with the mounting disc at the lower end of the rotating rod; the mechanism that opens and shuts includes the guide arm of cartridge in bull stick lower extreme assembly chamber, the lower extreme of guide arm is connected with each rotary excavating claw through many connecting rods, and each the both ends of connecting rod respectively with dig claw and guide arm articulated soon, the upper end of guide arm has the piston head, and the piston head separates the assembly chamber for going up hydraulic chamber and lower hydraulic chamber, go up hydraulic chamber through first pipe and first hydraulic passage intercommunication, lower hydraulic chamber through second pipe and second hydraulic passage intercommunication, first hydraulic passage and second hydraulic passage open side by side and locate in the bull stick and extend to the upper end department of bull stick, and rotate the cover outside the bull stick and be equipped with the adapter, the adapter has two independent cavities, these two cavities communicate with first hydraulic passage and second hydraulic passage respectively.
Furthermore, insert borer equipment including the reinforcing bar borer rack of structure in inserting borer cover upper end, in be provided with roof pressure unloading mechanism on the reinforcing bar borer rack, an installation pole top-down is in proper order through roof pressure unloading mechanism and reinforcing bar borer rack and is stretched into and inserts the borer cover, in the lower part department of installation pole and the below that is located reinforcing bar borer rack are provided with reinforcing bar borer ejection mechanism, install the guiding mechanism who is used for driving reinforcing bar borer ejection mechanism and the one end that the installation pole is connected along vertical motion in the lower extreme of installation pole.
Furthermore, the reinforcing bar drill 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 along the vertical direction, a material outlet is formed at the lower end of each material placing cavity, and a plurality of positioning beads are uniformly arranged on two opposite side walls of the material outlet; an assembly port is formed between the adjacent material placing frames, an air bag is assembled in each assembly port, each air bag is communicated with an annular air distribution pipe through a vent pipe, and a joint pipe is constructed on each annular air distribution pipe.
Furthermore, the jacking 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 material placing cavity and presses on the uppermost reinforcing steel bar drill rod in the material placing cavity.
Further, the reinforcing steel bar drill ejection mechanism comprises an assembly rod connected with the lower end of the installation rod, a plurality of ejection parts are uniformly arranged in the circumferential direction of the assembly rod, each ejection part comprises a telescopic oil cylinder or a multistage air cylinder, an arc-shaped trough is connected onto a cylinder body of each ejection part, one end, far away from the cylinder body, of each arc-shaped trough is connected with a hollow ball head, a bowl-shaped hole is formed in the circumferential wall of the inserted drill rod sleeve, each hollow ball head is assembled in the bowl-shaped hole, each arc-shaped trough is communicated with the outside through channel of the corresponding hollow ball head, the cylinder body of each ejection part is hinged to the assembly rod, and a cylinder rod of each ejection part is driven to reciprocate along the through channel from one end of the corresponding arc-shaped trough to the corresponding hollow ball head.
Furthermore, a sliding sleeve is movably sleeved on the assembly rod, the end part of the cylinder body of each jacking member 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 fixed sleeve is slidably assembled in the fixed sleeve, a connecting flange is formed at the lower end of the fixed sleeve and 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, a piston disc is formed at the lower end of the guide sleeve and divides the inner cavity of the fixed sleeve into a first medium cavity and a second medium cavity, a first joint and a second joint are formed on the fixed sleeve and are respectively communicated with the first medium cavity and the second medium cavity.
Due to the adoption of the structure, compared with the prior art, the invention has the technical progress that: after the hole is punched, inserting the reinforcing steel bar into the hole wall of the drilled hole by using the inserting device, generally uniformly inserting the reinforcing steel bar into the hole wall of the drilled hole, wherein the reinforcing steel bar can be completely or partially inserted into the hole wall, and most of the reinforcing steel bar can be connected with the reinforcing steel bar cage through concrete in order to ensure that the poured reinforcing steel bar cage can be connected with the reinforcing steel bar cage through the concrete, so that the overall anti-settling and anti-inclination capacity of the concrete pile is improved; the strength of the soil around the drill hole is improved through the reinforcing steel bar drill rod, so that the poured concrete pile is stable in the drill hole, and the concrete pile is prevented from inclining or settling under the action of the reinforcing steel bar drill rod; in conclusion, the invention improves the strength of the soil around the drill hole, avoids the condition that the concrete pile is settled or inclined, further prevents the problem that the strength of the whole structure of the house building on the concrete pile is reduced, and simultaneously prevents the house building from being settled or inclined.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural view of a reaming apparatus in an embodiment of the present invention;
FIG. 2 is a schematic structural view of another angle of the reaming apparatus in an embodiment of the invention;
FIG. 3 is a cross-sectional view of an axial configuration of a reaming device in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a brazing device according to an embodiment of the invention;
FIG. 5 is a schematic structural view of another angle of the brazing device according to the embodiment of the invention;
FIG. 6 is a schematic partial structure view of the brazing device according to the embodiment of the invention after the air bag is removed;
FIG. 7 is a schematic structural view of a top-pressing blanking mechanism and a reinforcing bar drill ejection mechanism in the drill rod inserting apparatus according to the embodiment of the present invention;
FIG. 8 is a schematic structural view of the connection between a drill bushing and a steel bar placing rack in the drill inserting device according to the embodiment of the present invention;
FIG. 9 is a top view of a structure at a discharge port at the lower end of a charge chamber in a plug-in pin device according to an embodiment of the present invention;
FIG. 10 is a partial sectional view of another embodiment of the device for inserting a drill rod according to the present invention;
FIG. 11 is a schematic structural view of a reinforcing bar drill ejection mechanism in the drill insertion device according to the embodiment of the present invention;
FIG. 12 is a schematic structural view of FIG. 11 with the arc-shaped trough and hollow ball removed;
FIG. 13 is a schematic structural view of the brazing apparatus according to the embodiment of the present invention after the top pressing member and the arc-shaped trough are detached;
FIG. 14 is a schematic view showing the communication of a plurality of air bags in the brazing device according to the embodiment of the invention;
FIG. 15 is a sectional view showing the axial structure of an adjusting mechanism in the brazing apparatus according to the embodiment of the present invention;
fig. 16 is a schematic structural diagram of arrangement of a reinforcing bar and a reinforcement cage in a borehole according to an embodiment of the present invention.
Labeling components: 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 disc, 200-guide rod, 201-rotary drilling claw, 202-connecting rod, 300-reinforcing steel bar placing frame, 301-material placing frame, 302-material placing cavity, 303-assembly opening, 304-discharge opening, 305-positioning bead, 400-drill rod sleeve, 401-bowl-shaped hole, 500-mounting rod, 501-connecting flange, 502-pneumatic clutch, 503-assembly rod, 600-press blanking mechanism, 601-connecting plate, 602-pressing plate, 603-electric cylinder, 604-connecting seat, 700-reinforcing steel bar ejection mechanism, 701-press part, 7011-cylinder body, 7012-cylinder rod, 702-sliding sleeve, 703-first hydraulic pipe, 704-second hydraulic pipe, 705, 706-first ring pipe, 707-second ring pipe, 707-fixing flange, arc-shaped groove-fixing flange, 709-air bag, 801-cylinder rod, 801-sliding sleeve, 803-ball head-first hydraulic pipe, 1100-second pipe, 1100-joint, 800-second pipe, 800-joint, 800-hollow drill rod guiding mechanism, 904-drill rod, 1100-joint, and drill rod-positioning mechanism.
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 for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses a foundation construction method in house construction, which comprises the following steps:
s1, punching a preset area through piling equipment;
s2, after the hole is punched, lowering the drill rod inserting equipment to the bottom of the drilled hole 1000, then gradually lifting the drill rod inserting equipment, and inserting the reinforcing steel bar drill rod 1100 into the hole wall of the drilled hole 1000 through the drill rod inserting equipment;
s3, performing drill rod inserting operation in the drill hole 1000 by the drill rod inserting equipment from bottom to top until the drill rod is inserted to the upper end of the drill hole 1000;
s4, gradually lowering the reinforcement cage 1200 into the drill hole 1000 through a crane;
s5, pouring concrete into the drill hole 1000 until the drill hole 1000 is filled with the concrete;
and S6, repeating the steps S1 to S5, and performing other construction of the drilling hole 1000.
The invention has the advantages that: after the hole is punched, the steel bar borer 1100 is inserted into the hole wall of the drilled hole 1000 by using a borer inserting device, the steel bar borer 1100 is generally and uniformly inserted into the hole wall of the drilled hole 1000, and the steel bar borer 1100 can be completely or partially inserted into the hole wall, most of the steel bar cages 1200 and 1200 after pouring can be connected through concrete, so that the overall anti-settling and anti-inclination capability of the concrete pile is improved, in the process of inserting the steel bar borer 1100 into the inner wall of the drilled hole 1000, one end of the steel bar borer 1100 extends into the soil, the other end of the steel bar borer 1100 is exposed outside, and thus when the concrete is poured, the concrete connects the exposed part with the steel bar cage 1200 together; according to the invention, the strength of the soil around the drill hole 1000 is improved through the reinforcing bar 1100, so that the poured concrete pile is stabilized in the drill hole 1000, and the concrete pile is prevented from inclining or settling under the action of the reinforcing bar 1100; in conclusion, the strength of the soil around the drilled hole 1000 is improved, the concrete pile is prevented from being settled or inclined, the problem that the overall structural strength of the house building on the concrete pile is reduced is solved, and meanwhile, the house building is prevented from being settled or inclined.
As a preferred embodiment of the present invention, after the drilling operation in step S1 is completed, a hole enlarging device is used to enlarge the drilled hole 1000 in sections along the depth direction of the drilled hole 1000; in step S2, the inserting device inserts the reinforcing bar 1100 into the counterbore 1001 of the drill hole 1000, and one end of the reinforcing bar 1100 located in the counterbore 1001 is exposed. As shown in fig. 16, the working principle of the present embodiment is: this embodiment carries out segmentation reaming to drilling 1000 through reaming equipment, and insert reaming hole department 1001 with reinforcing bar borer 1100, later carry out the installation of steel reinforcement cage 1200 and subsequent pouring of concrete to drilling 1000, the concrete pile who forms of pouring has a plurality of spacing bosss, because reinforcing bar borer 1100 has in these spacing bosss, make the intensity of spacing boss improve, spacing boss has good anti settlement and anti-inclination ability, reinforcing bar borer 1100 in the soil around the cooperation drilling 1000, make the stable in structure of concrete pile, make the concrete pile have higher anti settlement and anti-inclination ability simultaneously.
As a preferred embodiment of the present invention, in step S2, the insertion device inserts the reinforcing bar 1100 into the inner wall of the bore hole 1000 in a horizontal direction, or inserts the reinforcing bar 1100 into the inner wall of the bore hole 1000 in an obliquely upward direction, or inserts the reinforcing bar 1100 into the inner wall of the bore hole 1000 in an obliquely downward and upward direction, or inserts the reinforcing bar 1100 into the inner wall of the bore hole 1000 in at least two of the three insertion directions. The advantages of this embodiment are: because the angle that reinforcing bar borer 1100 inserted in the 1000 pore walls of drilling is different for the concrete pile has when subsiding or the tendency of slope, the offsetting of the ascending external force of equidirectional reinforcing bar borer 1100 of equidirectional can be realized, and the reinforcing bar borer 1100 combined action of equidirectional plays the effect of holding back the concrete pile on the concrete pile, and then has avoided the concrete pile to take place to subside or the condition of slope.
The invention also discloses foundation construction hole expanding equipment in a house building, which comprises a rotating rod 100, a rotary drilling mechanism and an opening and closing mechanism as shown in figures 1-3, wherein the rotary drilling mechanism is constructed at the lower end of the rotating rod 100, the opening and closing mechanism is constructed between the rotary drilling mechanism and a drill rod, the opening and closing mechanism is used for driving the rotary drilling mechanism to perform opening and closing actions so as to further realize rotary drilling with different apertures, 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 drilling mechanism performs hole drilling in the rotating process of the rotating rod 100. The hole expanding device mainly aims at the drilled hole 1000, namely the rotating rod 100 is carried with the rotary drilling mechanism and is placed at a preset position of the drilled hole 1000, and the rotary drilling mechanism is unfolded through the opening and closing mechanism, so that the rotary drilling mechanism can expand the hole of the area of the drilled hole 1000.
As a preferred embodiment of the present invention, as shown in fig. 3, the rotary drilling mechanism includes a plurality of rotary drilling claws 201 disposed below the rotary rod 100, the rotary drilling claws 201 are uniformly disposed along the circumferential direction of the rotary rod 100, and the upper end of each rotary drilling claw 201 is hinged to the mounting plate 108 at the lower end of the rotary rod 100. The opening and closing mechanism of the embodiment comprises a guide rod 200, the guide rod 200 is inserted into an assembly cavity at the lower end of the rotating rod 100, the lower end of the guide rod 200 is connected with each rotary digging claw 201 through a plurality of connecting rods 202, and two ends of each connecting rod 202 are respectively hinged with the rotary digging claws 201 and the guide rod 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 the first hydraulic passage 105 via a first conduit 103, and the lower hydraulic chamber 102 communicates with the second hydraulic passage 106 via a second conduit 104. The first hydraulic passage 105 and the second hydraulic passage 106 of the present embodiment are opened 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 which are respectively communicated with the first hydraulic passage 105 and the second hydraulic passage 106. The working principle of the embodiment is as follows: hydraulic oil enters the upper hydraulic cavity 101 from an external hydraulic pump station through one cavity, passes through the first hydraulic channel 105 and the first guide pipe 103, hydraulic oil in the lower hydraulic cavity 102 enters the other cavity of the adapter 107 through the second guide pipe 104 and the second hydraulic channel 106, and is exhausted to the external hydraulic pump station side by side, so that the guide rod 200 is displaced downwards, the guide rod 200 drives the rotary excavating claw 201 to open through the connecting rod 202, and the purpose of reaming and rotary excavating is achieved; when the rotary excavating claw 201 needs to be folded, hydraulic oil enters the lower hydraulic cavity 102, and the hydraulic oil in the upper hydraulic cavity 101 is discharged, so that the guide rod 200 moves upwards, and the rotary excavating claw 201 is driven to fold.
The invention also discloses foundation construction drill rod inserting equipment in house buildings, which comprises a mounting rod 500, a drill rod inserting sleeve 400, a reinforcing steel bar drill rod placing frame 300, a jacking and blanking mechanism 600, a reinforcing steel bar drill rod ejecting mechanism 700 and an adjusting mechanism 900 as shown in figures 4-15. The reinforcing bar drill placing frame 300 is constructed at the upper end of the drill inserting sleeve 400, the jacking and blanking mechanism 600 is arranged on the reinforcing bar drill placing frame 300, the mounting rod 500 sequentially passes through the jacking and blanking mechanism 600 and the reinforcing bar drill placing frame 300 from top to bottom and extends into the drill inserting sleeve 400, the reinforcing bar drill ejection mechanism 700 is arranged at the lower part of the mounting rod 500, and the reinforcing bar drill ejection mechanism 700 is positioned below the reinforcing bar drill placing frame 300. The adjusting mechanism 900 of the present embodiment is installed at the lower end of the installation rod 500 and connected to the reinforcing bar drill ejection mechanism 700, and the adjusting mechanism 900 functions to: and is used for driving one end of the reinforcing bar drill ejection mechanism 700 connected with the mounting rod 500 to move vertically. The working principle of the embodiment is as follows: the jacking and blanking mechanism 600 pushes the reinforcing bar 1100 on the reinforcing bar placing frame 300 downwards, so that the reinforcing bar 1100 enters the reinforcing bar ejection mechanism 700, and then the reinforcing bar ejection mechanism 700 ejects the reinforcing bar 1100 and inserts the reinforcing bar 1100 into the inner wall of the drill hole 1000. This embodiment accessible adjustment overall structure is rotation angle in drilling 1000, realizes the insertion of bar borer 1100 to different positions under the different degree of depth of drilling 1000, and then improves the intensity of drilling 1000 soil on every side. In the embodiment, the angle of inclination of the reinforcing bar drill ejection mechanism 700 in the vertical direction is adjusted by the adjusting mechanism 900, so that the reinforcing bar drill 1100 is inserted into the inner wall of the drill hole 1000 at different angles of inclination.
As a preferred embodiment of the present invention, as shown in fig. 8, the rebar drill placing rack 300 includes a plurality of material placing frames 301, the material placing frames 301 are uniformly arranged along the circumferential direction of the plug drill sleeve 400, each material placing frame 301 is provided with a material placing cavity 302 extending along the vertical direction, and rebar drills 1100 are sequentially placed in the material placing cavities 302 along the vertical direction. As shown in fig. 9, in the present embodiment, a discharge hole 304 is formed at the lower end of the material placing cavity 302, a plurality of positioning beads 305 are uniformly installed on two opposite sidewalls of the discharge hole 304, the positioning beads 305 play a role in limiting the lowermost steel bar 1100 located in the material placing cavity 302, the jacking and blanking mechanism 600 pushes the uppermost steel bar 1100 to move downward, so that the lowermost steel bar 1100 extrudes the positioning beads 305, the positioning beads 305 retract, and the steel bar 1100 passes through the discharge hole 304, when the steel bar 1100 passes through the discharge hole 304, the positioning beads 305 return, and the discharge hole 304 is closed, and the steel bar 1100 passing through the discharge hole 304 is jacked into the inner wall of the drill hole 1000 by the steel bar jacking mechanism 700. In order to ensure that the steel bar borer 1100 is inserted into soil, the borer inserting sleeve 400 is fixed with the inner wall of the drill hole 1000, so that the steel bar borer 1100 is inserted more smoothly and stably, and the preset angle is not changed, the concrete mode is that an assembling port 303 is formed between adjacent material placing frames 301, an air bag 800 is assembled in each assembling port 303, as shown in fig. 14, each air bag 800 is communicated with an annular air distribution pipe 801 through a vent pipe 802, a joint pipe 803 is constructed on the annular air distribution pipe 801, air enters the annular air distribution pipe 801 through the joint pipe 803, the annular air distribution pipe 801 distributes the air to each air bag 800, and then the air bags 800 are expanded and tightened on the inner wall of the drill hole 1000.
As a preferred embodiment of the present invention, as shown in fig. 6-7, the top pressing and blanking mechanism 600 includes a connecting plate 601 and a plurality of pressing plates 602, and each pressing plate 602 is a strip-shaped structure, wherein the connecting plate 601 is assembled on the mounting rod 500, and the connecting plate 601 is driven by an external force to displace in a vertical direction. The plurality of pressure plates 602 are uniformly arranged on the connecting plate 601 along the circumferential direction of the connecting plate 601, each pressure plate 602 extends into the corresponding material placing cavity 302, and the lower end of the pressure plate 602 presses the uppermost reinforcing steel bar 1100 in the material placing cavity 302. In the process that the connecting plate 601 is driven to move downwards in the vertical direction, the connecting plate 601 drives each pressing plate 602 to move downwards, so that the steel bar drill 1100 located at the lowermost position in each material placing cavity 302 is supplied to the steel bar drill ejection mechanism 700 through the material outlet 304, and then the steel bar drill ejection mechanism 700 uniformly and synchronously ejects the steel bar drill 1100 into the inner wall of the drill hole 1000 along the circumferential direction of the drill hole 1000. The top pressing and blanking mechanism 600 of the present embodiment is divided into two driving manners, wherein, in the first manner, as shown in fig. 4, a connecting seat 604 is installed on the installation rod 500, at least one electric cylinder 603 is connected to the connecting seat 604, the electric cylinder 603 is vertically arranged, and the output end of the electric cylinder 603 is connected to the connecting plate 601, the electric cylinder 603 is used for driving the connecting plate 601 to move downwards, thereby realizing that the reinforcing steel bars 1100 are supplied to the reinforcing steel bar ejection mechanism 700 from the discharge port 304 one by one; secondly, as shown in fig. 10, an assembling rod 503 is provided at the lower end of the mounting rod 500, the reinforcing bar drill ejection mechanism 700 is connected with the assembling rod 503, a pneumatic clutch 502 is provided between the mounting rod 500 and the assembling rod 503, the mounting rod 500 is in threaded connection with a connecting plate 601, when the reinforcing bar drill ejection mechanism 700 needs to be supplied with reinforcing bar drill 1100, the air bag 800 expands on the inner wall of the drill hole 1000, the pneumatic clutch 502 disengages the mounting rod 500 from the assembling rod 503, the connecting plate 601 drives the pressing plate 602 to gradually move downwards along with the rotation of the mounting rod 500 by a certain angle, at this time, the reinforcing bar drill ejection mechanism 700 and the drill rod inserting sleeve 400 are kept in a relatively static state with the drill hole 1000 under the action of the air bag 800, thus, the pressing plate 602 presses down and supplies the steel bar borer 1100 positioned at the lowest part to the steel bar borer ejection mechanism 700, when the steel bar borer ejection mechanism 700 and the drill rod insertion sleeve 400 need to be synchronously rotated, so that the steel bar borer 1100 is inserted into other positions in the circumferential direction of the drill hole 1000, the pneumatic clutch 502 is controlled to connect the mounting rod 500 and the assembling rod 503, and thus when the mounting rod 500 rotates, the steel bar borer placing frame 300, the jacking and blanking mechanism 600, the rotary steel bar borer ejection mechanism 700 and the drill rod insertion sleeve 400 are driven to synchronously rotate, so that the part of the rotary steel bar borer ejection mechanism 700, which ejects the steel bar borer 1100, rotates to the preset position of the drill hole 1000.
As a preferred embodiment of the present invention, as shown in fig. 11-13, the reinforcing bar drill ejecting mechanism 700 includes the above-mentioned assembling rod 503, the assembling rod 503 is disposed at the lower end of the mounting rod 500, and a plurality of ejecting members 701 are uniformly disposed in the circumferential direction of the assembling rod 503, wherein the ejecting members 701 include a telescopic cylinder or a multi-stage 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 the telescopic cylinders are all connected with a first circular pipe 705, each second hydraulic pipe 704 is connected with a second circular pipe 706, hydraulic oil enters each cylinder body 7011 through the first circular pipes 705 and each first hydraulic pipe 703, and then the cylinder rods 7012 extend out and the reinforcing steel bars 1100 are ejected outwards; hydraulic oil passes through the second loop pipe 706 and the second hydraulic pipes 704 and then enters the cylinder blocks 7011, and retraction of the cylinder rods 7012 is achieved. In order to facilitate the alignment of the reinforcing bar 1100 with the end of the corresponding cylinder rod 7012 after falling from the discharge port 304, the cylinder 7011 is connected with an arc-shaped trough 708, wherein a fixing flange 707 is configured at one end of the cylinder 7011 away from the assembling rod 503, a fixing edge 709 is configured at one end of the arc-shaped trough 708 close to the cylinder 7011, the fixing flange 707 and the fixing edge 709 are connected by a plurality of connecting bolts, the connecting bolt for connecting the fixing flange 707 and the fixing edge 709 is 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 that the fixing flange 707 and the fixing edge 709 are driven to incline upwards or downwards, thereby adapting to the change of the connecting length between 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 can be connected by 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 to adapt to the change of the connection length between the cylinder 7011 and the arc-shaped trough 708. In the embodiment, a hollow ball 711 is connected to one end of the arc-shaped trough 708, which is far away from the cylinder 7011, a plurality of bowl-shaped holes 401 are formed in the circumferential wall of the drill rod inserting sleeve 400, the hollow ball 711 is assembled in the corresponding bowl-shaped hole 401, and the arc-shaped trough 708 is communicated with the outside through a through channel 712 of the hollow ball 711. In this embodiment, the cylinder 7011 of each telescopic cylinder is hinged to the mounting rod 503, and the rod 7012 of the telescopic cylinder is driven by hydraulic oil to reciprocate along the through passage 712 from one end of the arc-shaped chute 708 to the hollow ball 711. The working principle of the embodiment is as follows: the reinforcing bar drill 1100 falls into the arc-shaped trough 708 through the discharge hole 304, and then the cylinder rod 7012 pushes one end of the reinforcing bar drill 1100 to move outwards and insert 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 reinforcing steel bar drill 1100 is adjusted, the adjusting mechanism 900 drives the end portion of the cylinder body 7011 of the telescopic cylinder to move along the vertical direction, the cylinder body 7011 drives the arc-shaped trough 708 to move synchronously in the moving process, and the hollow ball head 711 is hinged with the drill inserting sleeve 400 through the bowl-shaped hole 401, so that the inclination angle of the telescopic cylinder along the vertical direction is adjusted. In order to facilitate the reinforcing bar borer 1100 to enter the arc-shaped trough 708, guide edges 710 extending outwards are respectively configured at two sides of the arc-shaped trough 708, so that the range of the arc-shaped trough 708 for receiving the reinforcing bar borer 1100 is increased, and the reinforcing bar borer 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, in this embodiment, 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 top pressing member 701 is hinged to 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 into 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 to the connecting flange 501 at the lower end of the fitting rod 503 by a plurality of bolts. The guide sleeve 902 of the present embodiment is fitted around the fitting rod 503, and the upper end of the guide sleeve 902 is connected to the sliding sleeve 702, and the lower end of the guide sleeve 902 is configured with a piston disc that divides the inner cavity of the fixed sleeve 901 into a first medium chamber 903 and a second medium chamber 904, and the fixed sleeve 901 is configured with a first joint 905 and a second joint 906, and the first joint 905 and the second joint 906 communicate with the first medium chamber 903 and the second medium chamber 904, respectively. 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 assembling rod 503, the sliding sleeve 702 drives each cylinder 7011 to move, the jacking member 701 inclines upwards or downwards or is in a horizontal state, and the reinforcing steel bar borer 1100 ejected by the jacking member 701 inclines upwards or downwards or is horizontally inserted into the inner wall of the drill hole 1000.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A foundation construction method in a house building is characterized by comprising the following steps:
s1, punching a preset area through piling equipment;
s2, after the drilling is finished, lowering the drill rod inserting equipment to the bottom of the drilled hole, gradually lifting the drill rod inserting equipment, and inserting a reinforcing steel bar drill rod into the hole wall of the drilled hole through the drill rod inserting equipment;
s3, carrying out drill rod inserting operation in the drill hole from bottom to top by the drill rod inserting equipment until the drill rod is inserted to the upper end of the drill hole;
s4, gradually lowering the reinforcement cage into the drill hole through a crane;
s5, pouring concrete into the drilled hole until the drilled hole is filled with the concrete;
and S6, repeating the steps S1-S5, and performing other drilling construction.
2. A foundation construction method in house construction according to claim 1, characterized in that: after the drilling operation in the step S1 is finished, carrying out sectional reaming on the drill hole along the depth direction of the drill hole by using reaming equipment; in step S2, the drill rod inserting device inserts the reinforcing steel rod into the reamed hole of the drill hole, and one end of the reinforcing steel rod at the reamed hole is exposed.
3. The method of constructing a foundation in a building construction of claim 1, wherein: in step S2, the insertion device inserts the reinforcing bar drill into the inner wall of the drilled hole in a horizontal direction, or inserts the reinforcing bar drill into the inner wall of the drilled hole in an obliquely upward direction, or inserts the reinforcing bar drill into the inner wall of the drilled hole in an obliquely downward and upward direction, or inserts the reinforcing bar drill into the inner wall of the drilled hole in at least two ways of the three insertion directions.
4. A foundation construction method in house construction according to claim 2, characterized in that: the reaming equipment comprises a rotary excavating mechanism constructed at the lower end of a rotating rod, an opening and closing mechanism is constructed between the rotary excavating mechanism and a drill rod, the rotary excavating mechanism is driven by the opening and closing mechanism to perform opening and closing actions, and the upper end of the rotating rod is connected with a power head of a pile driver.
5. The method of constructing a foundation in a building construction of claim 4, wherein: the rotary digging mechanism comprises a plurality of rotary digging claws which are uniformly arranged below the rotating rod along the circumferential direction of the rotating rod, and the upper end of each rotary digging claw is hinged with the mounting disc at the lower end of the rotating rod; the mechanism that opens and shuts includes the guide arm of cartridge in bull stick lower extreme assembly chamber, the lower extreme of guide arm is connected with each rotary excavating claw through many connecting rods, and each the both ends of connecting rod respectively with dig claw and guide arm articulated soon, the upper end of guide arm has the piston head, and the piston head separates the assembly chamber for going up hydraulic chamber and lower hydraulic chamber, go up hydraulic chamber through first pipe and first hydraulic passage intercommunication, lower hydraulic chamber through second pipe and second hydraulic passage intercommunication, first hydraulic passage and second hydraulic passage open side by side and locate in the bull stick and extend to the upper end department of bull stick, and rotate the cover outside the bull stick and be equipped with the adapter, the adapter has two independent cavities, these two cavities communicate with first hydraulic passage and second hydraulic passage respectively.
6. A foundation construction method in house construction according to claim 1, characterized in that: the drill rod inserting equipment comprises a steel bar drill rod placing frame constructed at the upper end of a drill rod inserting sleeve, a jacking and discharging mechanism is arranged on the steel bar drill rod placing frame, an installing rod sequentially passes through the jacking and discharging mechanism and the steel bar drill rod placing frame from top to bottom and extends into the drill rod inserting sleeve, a steel bar drill rod ejecting mechanism is arranged at the lower part of the installing rod and below the steel bar drill rod placing frame, and an adjusting mechanism used for driving one end, connected with the installing rod, of the steel bar drill rod ejecting mechanism to move vertically is installed at the lower end of the installing rod.
7. The method of constructing a foundation in a building construction of claim 6, wherein: the reinforcing 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 along the vertical direction, a material outlet is formed at the lower end of each material placing cavity, and a plurality of positioning beads are uniformly arranged on two opposite side walls of the material outlet; an assembly port is formed between the adjacent material placing frames, an air bag is assembled in each assembly port, each air bag is communicated with an annular air distribution pipe through a vent pipe, and a joint pipe is constructed on the annular air distribution pipe.
8. The method of constructing a foundation in a building construction of claim 7, wherein: the jacking and blanking mechanism comprises a connecting plate which is assembled on the mounting rod and can be driven to move vertically, 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 material placing cavity and is pressed on the uppermost reinforcing steel bar drill rod in the material placing cavity.
9. The method of constructing a foundation in a building construction of claim 6, wherein: the steel bar drill ejection mechanism comprises an assembly rod connected with the lower end of an installation rod, a plurality of ejection parts are uniformly arranged in the circumferential direction of the assembly rod and comprise telescopic oil cylinders or multistage cylinders, an arc-shaped trough is connected onto a cylinder body of each ejection part, one end, far away from the cylinder body, of each arc-shaped trough is connected with a hollow ball head, a bowl-shaped hole is formed in the circumferential wall of a drill rod insertion sleeve, the hollow ball heads are assembled in the bowl-shaped holes, the arc-shaped troughs are communicated with the outside through channels of the hollow ball heads, the cylinder bodies of the ejection parts are hinged to the assembly rod, and the cylinder rods of the ejection parts are driven to reciprocate along the through channels from one ends of the arc-shaped troughs to the hollow ball heads.
10. A foundation construction method in house construction according to claim 9, characterized in that: the adjusting mechanism comprises a fixed sleeve and a guide sleeve, the lower end of the fixed sleeve is assembled in the fixed sleeve in a sliding mode, a connecting flange is formed at the lower end of the fixed sleeve and connected with a 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, a piston disc is formed at the lower end of the guide sleeve and divides an inner cavity of the fixed sleeve into a first medium cavity and a second medium cavity, a first joint and a second joint are formed on the fixed sleeve, and the first joint and the second joint are communicated with the first medium cavity and the second medium cavity respectively.
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118129570A (en) * | 2024-05-07 | 2024-06-04 | 北京市市政工程研究院 | Detection device for sediment thickness in foundation engineering construction |
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