CN212612430U - Advanced retaining wall device for cast-in-situ bored pile construction - Google Patents
Advanced retaining wall device for cast-in-situ bored pile construction Download PDFInfo
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- CN212612430U CN212612430U CN202022148335.1U CN202022148335U CN212612430U CN 212612430 U CN212612430 U CN 212612430U CN 202022148335 U CN202022148335 U CN 202022148335U CN 212612430 U CN212612430 U CN 212612430U
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- thick bamboo
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000011065 in-situ storage Methods 0.000 title description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 61
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 61
- 241001330002 Bambuseae Species 0.000 claims abstract description 61
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 61
- 239000011425 bamboo Substances 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000005553 drilling Methods 0.000 abstract description 15
- 239000004576 sand Substances 0.000 abstract description 8
- 239000002689 soil Substances 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract description 6
- 239000002893 slag Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 10
- 239000011435 rock Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a building foundation engineering construction field especially relates to an advance dado device of bored concrete pile construction, protects a bobbin base pipe at the downthehole installation of stake to cup joint the outer sleeve in the outside that protects a bobbin base pipe, set up in outer sleeve department and rub the pipe machine with the hands, protect a section of thick bamboo, second and protect a section of thick bamboo, first protect a section of thick bamboo and hydraulic impact hammer in the middle of protecting the installation on a bobbin base pipe, through the impact of hydraulic impact hammer and the rotation of rubbing the pipe machine with the hands, protect a section of thick bamboo with the steel and squeeze into in the stake, the utility model discloses possess following beneficial effect: the speed and the efficiency of well drilling are improved, and the well forming speed is 2-3 times that of a common casing rotary drilling method; the construction equipment has low noise, and dry slag soil is taken out to facilitate slag removal, thereby being beneficial to environmental protection; the advantages and advantages of various machines are fully exerted; at present, the excavated sand and pebbles can be recycled after being screened, and if the sand and pebbles are slurry dregs, the sand and pebbles cannot be collected even if a slag yard is abandoned, and the sand and pebbles need to be treated separately; the set of drilling equipment has wide application range and is suitable for drilling and well-digging under various geological conditions.
Description
Technical Field
The utility model relates to a building foundation engineering construction field, more specifically the theory that says so relates to a leading dado device of bored concrete pile construction.
Background
At present, aiming at the conditions of complex strata such as miscellaneous filling soil, a sand-gravel layer, a boulder layer, boulder-containing and the like, a common method is to adopt the traditional slurry to protect the wall, but the holes are easy to collapse and leak in the strata, so that the holes are difficult to form; and secondly, the steel protective cylinder is adopted and matched with the pipe rubbing machine, the rotary digging machine firstly digs and takes the dregs, and the pipe rubbing machine drives the steel protective cylinder to rotate and extrude downwards to follow at any time so as to prevent the collapse. There are problems that: if the pile length is too long (for example, more than 40 m), the side friction resistance is increased due to the continuous increase of the ground pressure, and the pipe twisting machine is not twisted when the pile reaches a certain depth, so that the pipe clamping and the steel protecting cylinder cannot be pulled out, the steel protecting cylinder cannot be pulled out of the hole, which is a dilemma! When boulders exist, the rock stratum is drilled through by the rotary drilling barrel drill, and the protective barrel can be lowered after the hole expanding drill is used for secondary hole expansion, so that time is wasted. In addition, the barrel drill is slow in grinding the boulder, and is labor-consuming and time-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect that prior art handled and not enough, provide a leading dado device of bored concrete pile construction.
In order to achieve the purpose, the utility model discloses the technical scheme who takes is an advance dado device of bored concrete pile construction, including the steel protect a section of thick bamboo and can cup joint in outer sleeve on the steel protects a section of thick bamboo, the steel protect a section of thick bamboo at least including first protect a section of thick bamboo, with the second that first protect a section of thick bamboo connection protect a section of thick bamboo, protect a section of thick bamboo bottom tube and a plurality of connect gradually and set up in the second protects a section of thick bamboo and protects the centre between the section of thick bamboo bottom tube, the pile cap is installed to the one end of first protecting a section of thick bamboo, be provided with the leading truck on the pile cap, the steel protects a section of thick bamboo outside and is.
The other end mouth of pipe department, the second of protecting a section of thick bamboo and the middle one end mouth of pipe department that protects a section of thick bamboo of protecting of first protecting is provided with the tenon, the second protects another end mouth of pipe department and the one end mouth of pipe department that protects a section of thick bamboo bottom tube of protecting a section of thick bamboo and is provided with the recess that the tenon matches.
The pipe orifice at the other end of the casing bottom pipe is annularly provided with a plurality of T-shaped drill bits, each T-shaped drill bit comprises a wedge-shaped drill bit and a straight drill bit vertically arranged with the wedge-shaped drill bit, and the two drill bits are embedded and fixed on the bottom orifice of the casing bottom pipe.
The outer wall hoop and the length direction of a steel casing evenly are provided with the tenon strip, the inside wall of outer sleeve be provided with tenon strip matched with spacing groove, tenon strip card is gone into the spacing groove makes the outer sleeve with the steel casing cup joints.
A section of thick bamboo is protected to steel still including being used for connecting the first clamp that protects a section of thick bamboo and second and protect a section of thick bamboo, the first lateral wall that protects a section of thick bamboo and second protects a section of thick bamboo encircles respectively and is equipped with round steel sheet ear, the steel sheet ear with the clamp joint, the second protect a steel sheet ear with be provided with the ball chain between the clamp.
The second protects a section of thick bamboo, protects a section of thick bamboo bottom tube and middle one end of protecting a section of thick bamboo and is provided with first splint, second splint and runs through the locking bolt of first splint and second splint, the one end of first splint, second splint is encircleed respectively and is located and the welding on protect a section of thick bamboo bottom tube, the middle inside and outside wall of protecting a section of thick bamboo.
The utility model has the advantages that:
the utility model provides a leading dado device of bored concrete pile construction possesses following beneficial effect: the speed and the efficiency of well drilling are improved, and the well forming speed is 2-3 times that of a common casing rotary drilling method; the construction equipment has low noise, and the dry residue soil is taken out to facilitate residue removal, so that the construction equipment has no pollution to the environment and is beneficial to environmental protection; the advantages and advantages of various machines are fully exerted; at present, the excavated sand and pebbles can be recycled after being screened, thus benefiting the nation and the people, and if the sand and pebbles are slurry muck, the sand and pebbles cannot be collected even if a slag yard is abandoned, and the sand and pebbles need to be treated separately; the set of drilling equipment has wide application range and is suitable for drilling and well-digging under various geological conditions.
Drawings
Fig. 1 is a schematic view of an advanced retaining wall device for cast-in-situ bored pile construction according to the present invention;
FIG. 2 is a cross-sectional view AA of FIG. 1;
fig. 3 is a connection diagram of the first clamping plate, the second clamping plate and the locking bolt of the advanced retaining wall device for cast-in-situ bored pile construction according to the present invention;
fig. 4 is a schematic view of a locking bolt of the advanced retaining wall device for cast-in-situ bored pile construction according to the present invention;
fig. 5 is a schematic view of a T-shaped drill of a leading wall protection device for cast-in-situ bored pile construction according to the present invention;
fig. 6 is a schematic view of the wedge-shaped drill bit of the advanced retaining wall device for cast-in-situ bored pile construction.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the present embodiment is based on the direction of fig. 1.
As shown in fig. 1 and 2, an advanced retaining wall device for cast-in-situ bored pile construction comprises a steel retaining cylinder and an outer sleeve 5 which can be sleeved on the steel retaining cylinder, wherein the steel retaining cylinder at least comprises a first retaining cylinder 1, a second retaining cylinder 2 connected with the first retaining cylinder 1, a retaining cylinder bottom pipe 3 and a plurality of intermediate retaining cylinders 4 which are sequentially connected and arranged between the second retaining cylinder 2 and the retaining cylinder bottom pipe 3, a pile cap 11 is installed at one end of the first retaining cylinder 1, a guide frame 12 is arranged on the pile cap 11, and a slurry conveying pipe 6 is arranged on the outer side of the steel retaining cylinder.
The wall thickness of the steel casing is 30mm, each section is 9m-12m long, 2-3 joints are reduced compared with a standard section with the length of 3m, and the assembling and disassembling working hours are reduced.
The other end pipe orifice of the first pile casing 1, the second pile casing 2 and the one end pipe orifice of the middle pile casing 4 are provided with a tenon 21, and the other end pipe orifice of the second pile casing 2, the other end pipe orifice of the middle pile casing 4 and the one end pipe orifice of the pile casing bottom pipe 3 are provided with a groove 41 matched with the tenon 21.
As shown in fig. 5 and 6, a plurality of T-shaped drills 31 are annularly arranged at the pipe orifice at the other end of the casing bottom pipe 3, each T-shaped drill 31 comprises a wedge-shaped drill 32 and a straight drill 33 perpendicular to the wedge-shaped drill 32, and both the two drills are embedded and fixed on the bottom orifice of the casing bottom pipe 3.
The T-shaped drill 31 is made of high-strength alloy, tooth gaps are not reserved between the wedge-shaped drill 32 and the straight drill 33, stones are prevented from being clamped, the wedge-shaped drill 32 mainly plays a role in squeezing soil, and the straight drill 33 plays a role in drilling when encountering a boulder or entering a rock stratum, so that the T-shaped drill 31 has double functions. The width of the drill bit in the circle is about 120-150mm, namely the width of the annular groove drilled by the drill bit is 120-150 mm. A circle of steel plate lining and an outer plate are additionally arranged inside and outside the bottom cylinder to serve as a reinforcing structure, and the thickness of the steel plate lining and the outer plate is not less than 20 mm.
As shown in fig. 2, the outer wall of the steel casing is uniformly provided with tenon strips 22 in the circumferential direction and the length direction, the inner side wall of the outer sleeve 5 is provided with a limiting groove 42 matched with the tenon strips 22, and the tenon strips 22 are clamped in the limiting groove 42 to enable the outer sleeve 5 to be sleeved with the steel casing.
The outer wall of the steel casing is provided with tenon strips 22 which are arranged at equal intervals, each length is 150mm-200mm, the tenon strips are uniformly arranged along the circumferential direction of the casing, and the tenon strips are arranged at intervals of about 1m along the longitudinal direction. The short tenon strips 22 slide up and down in the limiting grooves 42 on the inner wall of the outer steel sleeve, vertical force is not influenced to be transmitted downwards to rock drilling, but torque can be transmitted to drive the steel sleeve to rotate.
The outer sleeve 5 is driven to rotate by the pipe twisting machine manipulator 13, and the outer sleeve 5 and the steel casing are connected through the tenon strip 22 to transmit torque so as to synchronously rotate the two. The outer sleeve 5 can transmit torque without transmitting vertical force, the two force transmission systems are closely matched to play respective advantages to work, if the outer sleeve 5 is not arranged, the machine is damaged by the impact force of the impact hammer when the pipe rolling machine holds the steel protective cylinder tightly and then the outer sleeve 5 is driven to rotate by the pipe rolling machine manipulator 13, and accordingly the pipe rolling machine cannot help the impact hammer to fall and provide resistance for the impact hammer.
The steel protects a section of thick bamboo still protects a clamp 7 of a section of thick bamboo 2 including being used for connecting first protecting 1 and the second, and first protecting 1 and the second protects the lateral wall of a section of thick bamboo 2 and encircles respectively and be equipped with round steel sheet ear 71, and steel sheet ear 71 and clamp 7 joint are provided with ball chain 72 between the steel sheet ear 71 and the clamp 7 of a section of thick bamboo 2 is protected to the second.
The first protective barrel 1 and the second protective barrel 2 are connected by a hoop 7, the part below the second protective barrel 2 can rotate, a circle of ball chain 72 is additionally arranged for flexible rotation, and a circle of steel plate ear 71 is welded on the periphery of each of the upper and lower protective barrels so as not to be disconnected during pipe drawing. For transmitting torque, the tongue 21 cooperates with the groove 41. 2 steel protective cylinders are symmetrically arranged at the outer side of the steel protective cylinder
The steel pipe is used as a slurry conveying pipe 6, and crushed slag generated by rock drilling of the hole bottom drill bit is brought up by high-pressure slurry to be dischargedTo a mud pit and settled. The pipe twisting machine has stronger driving force than a full-rotation machine, and the price of the same power is only one third of that of the full-rotation machine, namely the cost performance is higher. A crawler crane is required to be installed at the tail of the frame of the pipe rolling machine, the pipe rolling machine is prevented from swinging left and right during working, the effect of stabilizing the pipe rolling machine is achieved, meanwhile, the crane can be used for lifting a steel protective cylinder and hoisting a hydraulic impact hammer, and the machine is multipurpose.
As shown in fig. 3 and 4, one end of the second casing 2, the casing bottom tube 3, and the middle casing 4 is provided with a first clamping plate 81, a second clamping plate 82, and a locking bolt 83 penetrating the first clamping plate 81 and the second clamping plate 82, and one end of the first clamping plate 81 and one end of the second clamping plate 82 are respectively arranged around and welded to the inner and outer walls of the casing bottom tube 3 and the middle casing 4.
The first clamping plate 81 and the second clamping plate 82 are steel clamping plates with the thickness of 20mm, 8 bolts are evenly distributed along the periphery, the width of the first clamping plate 81 and the width of the second clamping plate 82 are equal to the width of the tenon strip 22, the thickness of the first clamping plate 81 and the thickness of the second clamping plate 82 are not larger than the thickness of the tenon strip 22, and the positions of the first clamping plate 81 and the second clamping plate are aligned with the tenon strip 22 so as to ensure that the outer sleeve 5 can be smoothly held by the pipe rolling machine manipulator 13. The locking bolt 83 is a hexagon socket flat head bolt and is matched with a nut washer which is never loosened.
The device is characterized in that various devices and devices are installed in place, after the devices and the devices are checked to be qualified, a hydraulic impact hammer is started to transmit impact force to a bottom pipe drill bit through a steel casing to break rock and soil, meanwhile, a steel casing is driven by a pipe twisting machine to rotate a steel casing to synchronously rotate the steel casing and continuously extrude a bottom pipe 3 of the casing into soil, the rapid drilling is carried out under the action of dual force, when a cobble layer is encountered, the hydraulic impact hammer extrudes and compacts sandy soil to extrude the sandy soil, in addition, when small cobbles are encountered, the cobbles can be extruded away, larger boulders (the particle size is about 200mm) can be broken, but when boulders are encountered or enter a rock stratum, the hydraulic impact hammer needs to be changed into a hydraulic vibration hammer, and the annular duct is continuously drilled to enable. The speed of the pipe twisting machine manipulator 13 driving the casing to rotate back and forth can be adjusted, and the speed is adjusted to be fast when soft rock is drilled and slow when hard rock is drilled.
The pipe rolling machine can accurately position and adjust the verticality. The selection of the model parameters of the hydraulic impact hammer and the pipe rolling machine is determined according to geological conditions, the diameter, the depth and the like of a drilled well. After the steel casing is drilled to the designed depth, the pipe rolling machine, the hydraulic impact hammer and the other set of prepared steel casing are turned to the next pile for construction, and the cross construction operation is carried out to improve the working efficiency. The equipment can be used for drilling very complicated stratum, and the comprehensive drilling speed can reach more than 2 times of that of the conventional method. For example, the boulder is beaten by a pipe twisting machine and the footage can be 0.4-0.5 m per hour, the footage can be more than 2 m/hour by using the combined equipment, and the tunneling speed is about 4-5 times of that of a rotary excavator. And moreover, because the steel casing is used for advance support, no collapse exists, the quantity of the excavated muck project is reduced, the pouring quantity of concrete is reduced to the minimum, namely the filling coefficient is minimum, the material cost is saved, and the geological condition of karst caves is excluded.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a leading dado device of bored concrete pile construction which characterized in that: including the steel protect a section of thick bamboo and can cup joint in outer sleeve (5) on the steel protect a section of thick bamboo, the steel protect a section of thick bamboo at least including first protect a section of thick bamboo (1), with the second that first protect a section of thick bamboo (1) to be connected protects a section of thick bamboo (2), protects a section of thick bamboo bottom tube (3) and a plurality of and connect gradually and set up in the second protects a section of thick bamboo (4) and protects in the middle of between section of thick bamboo (2) and the section of thick bamboo bottom tube (3), pile cap (11) are installed to the one end of first protecting a section of thick bamboo (1), be provided with leading truck (12) on pile cap (11), the steel protects a section of thick.
2. The advanced retaining wall device for bored pile construction according to claim 1, wherein: the other end mouth of pipe department of a first protecting section of thick bamboo (1), a second protecting section of thick bamboo (2) and the one end mouth of pipe department of a middle protecting section of thick bamboo (4) are provided with tenon (21), the second protects another end mouth of pipe department of a section of thick bamboo (2), middle protecting section of thick bamboo (4) and protects a section of thick bamboo end pipe (3) one end mouth of pipe department be provided with tenon (21) matched with recess (41).
3. The advanced retaining wall device for bored pile construction according to claim 2, wherein: the pipe orifice at the other end of the casing bottom pipe (3) is annularly provided with a plurality of T-shaped drill bits (31), each T-shaped drill bit (31) comprises a wedge-shaped drill bit (32) and a straight drill bit (33) vertically arranged with the wedge-shaped drill bit (32), and the two drill bits are embedded and fixed on the bottom orifice of the casing bottom pipe (3).
4. The advanced retaining wall device for bored pile construction according to claim 3, wherein: the outer wall hoop of a steel casing and length direction evenly are provided with tenon strip (22), the inside wall of outer sleeve (5) be provided with tenon strip (22) matched with spacing groove (42), tenon strip (22) card is gone into spacing groove (42) make outer sleeve (5) with a steel casing cup joints.
5. The advanced retaining wall device for bored pile construction according to claim 4, wherein: a section of thick bamboo is protected to steel still including being used for connecting first protect clamp (7) of a section of thick bamboo (1) and second protection section of thick bamboo (2), first protect the lateral wall that a section of thick bamboo (1) and second protected a section of thick bamboo (2) to encircle respectively and be equipped with round steel sheet ear (71), steel sheet ear (71) with clamp (7) joint, the second protect steel sheet ear (71) of a section of thick bamboo (2) with be provided with ball chain (72) between clamp (7).
6. The advanced retaining wall device for bored pile construction according to claim 5, wherein: the one end that a section of thick bamboo (2), a section of thick bamboo bottom tube (3) are protected to the second, middle section of thick bamboo (4) is provided with first splint (81), second splint (82) and runs through locking bolt (83) of first splint (81) and second splint (82), the one end of first splint (81), second splint (82) is encircleed respectively and is located and weld on the inside and outside wall of a section of thick bamboo bottom tube (3), middle section of thick bamboo (4) are protected to the second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148335.1U CN212612430U (en) | 2020-09-25 | 2020-09-25 | Advanced retaining wall device for cast-in-situ bored pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148335.1U CN212612430U (en) | 2020-09-25 | 2020-09-25 | Advanced retaining wall device for cast-in-situ bored pile construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212612430U true CN212612430U (en) | 2021-02-26 |
Family
ID=74701651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022148335.1U Expired - Fee Related CN212612430U (en) | 2020-09-25 | 2020-09-25 | Advanced retaining wall device for cast-in-situ bored pile construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212612430U (en) |
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2020
- 2020-09-25 CN CN202022148335.1U patent/CN212612430U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518026 1009, middle block, Fujing building, 29 Fuzhong Road, Xintian community, Huafu street, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shengye construction technology (Group) Co.,Ltd. Address before: 518026 1009, middle block, Fujing building, 29 Fuzhong Road, Xintian community, Huafu street, Futian District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SOFORE GEOTECHNICAL ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |