CN114215048A - Large-diameter pile foundation reinforcement cage centering device - Google Patents
Large-diameter pile foundation reinforcement cage centering device Download PDFInfo
- Publication number
- CN114215048A CN114215048A CN202210012120.8A CN202210012120A CN114215048A CN 114215048 A CN114215048 A CN 114215048A CN 202210012120 A CN202210012120 A CN 202210012120A CN 114215048 A CN114215048 A CN 114215048A
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- pull rope
- reinforcement cage
- pile foundation
- centering
- bracket
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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
- E02D33/00—Testing foundations or foundation structures
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The utility model provides a major diameter pile foundation steel reinforcement cage centering device, protect a section of thick bamboo including the thickening steel, the steel reinforcement cage, pile protection system and centering system, subaerial four fender piles that set up all around in the stake hole, the fender pile passes through the stay cord and connects, set up stay cord straining device on the stay cord, bracket top surface installation GPS receiver, bracket bottom surface installation laser emitter and dress video monitor system, check the reinforcing bar along vertical reinforcement direction vertical welding in steel reinforcement cage top, check reinforcing bar crosspoint installation laser receiver, the solid fixed ring bottom surface of annular reinforcing bar is connected with last coordinate adjustment bracing piece, adopt above-mentioned device, can effectively solve the handheld plumb bob in major diameter pile foundation and have the potential safety hazard and save the footboard and erect, through first centering, the accurate centering of secondary, not only improved pile foundation steel reinforcement cage centering degree of automation, further promote the centering precision simultaneously, be favorable to promoting.
Description
Technical Field
The invention relates to the field of bored pile construction, in particular to a large-diameter pile foundation reinforcement cage centering device.
Background
Pile foundation is as the structure of basis in the bridge engineering, is transmitting the effect of upper portion load, and in order to guarantee that steel reinforcement cage is located the design position in the pile foundation, adopt four fender pile traction cotton ropes to become cross point sign stake hole center usually to four main muscle of ligature steel reinforcement cage top mutually perpendicular are with sign steel reinforcement cage center simultaneously, and at last through check fender pile center and steel reinforcement cage center control centering. Workers often adopt a hand-held hammer hanging method in the field construction process to check the center of the pile protection and the center of the reinforcement cage, and the method has the advantages of simplicity, high efficiency, economy and practicability. However, when the large-aperture pile foundation is constructed, the distance between the center of the hole and the wall of the hole is long, and manual measurement has certain danger; CN111455987B provides a centering device for a bored pile reinforcement cage, which includes two groups of piles arranged on the ground around a pile hole and a centering disc arranged on the reinforcement cage, wherein a single group of the piles includes two piles, a connecting line between two piles in the same group passes through the center of the pile hole, the two groups of piles are provided with a first centering rope, the first centering rope bypasses the piles and is arranged in a cross shape, and a downward laser emitter is tied at the position of the cross point; the center of the inner circle of the reinforcement cage is provided with a centering disc, and the middle part of the centering disc is printed with a centering qualified area. Can effectively solve the potential safety hazard that handheld plumb bob exists and saved the erectting of footboard, be in pile foundation center for steel reinforcement cage in guaranteeing the pile foundation, improve pile foundation centering precision and construction quality, develop a major diameter pile foundation steel reinforcement cage centering device and have important meaning to the construction unit.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a large-diameter pile foundation reinforcement cage centering device, which can effectively solve the potential safety hazard of a handheld plumb bob and save the pedal erection, can further improve the centering precision and the construction automation level for ensuring that the reinforcement cage in a pile foundation is positioned at the center of the pile foundation, and provides favorable prerequisite conditions for the subsequent pile foundation construction.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a large-diameter pile foundation reinforcement cage centering device comprises a thickened steel pile casing, a reinforcement cage, a pile protection system and a centering system, wherein the pile protection system comprises a pile protection, a pull rope, a first pull rope, a second pull rope, a pull rope tensioning device, a laser transmitter and a GPS receiver, the centering system comprises an annular reinforcement fixing ring, a coordinate adjusting support rod, an upper coordinate adjusting support rod, a lower coordinate adjusting support rod, an annular groove, a half-pair middle ball, a rack, a gear, a motor, an inner screw, an outer screw rod, a bracket, a sliding hole, a checking reinforcement A, a checking reinforcement B, a laser receiver, a video monitoring system and a stand column level meter, four pile protection are arranged on the ground around a pile hole, the pile protection is fixedly connected with one end of the pull rope, the other end of the pull rope is fixedly connected with the bracket, the first pull rope and the second pull rope are connected through the pull rope tensioning device, the GPS receiver is installed on the top surface of the bracket, bracket bottom surface installation laser emitter and video monitor system, check reinforcing bar A and check reinforcing bar B along the welding of the vertical reinforcing bar vertical direction in reinforcing bar cage top, check reinforcing bar A and check reinforcing bar B crosspoint installation laser receiver, set up solid fixed ring of annular reinforcing bar on reinforcing bar cage top surface outer circumference, solid fixed ring top surface installation stand spirit level of annular reinforcing bar, solid fixed ring bottom surface and last coordinate adjustment bracing piece fixed connection of annular reinforcing bar, go up coordinate adjustment bracing piece bottom surface and coordinate adjustment bracing piece swing joint down, coordinate adjustment bracing piece bottom sets up half to the centre ball down.
In the preferred scheme, the four guard piles are arranged in a regular quadrangle, the center of the regular quadrangle is superposed with the center of the pile foundation, and two guard piles, two pull rope tensioning devices and two pull ropes which are crossed in the four guard piles form one group, and the two groups are formed in total; one end of the first pull rope is fixed on one of the guard piles, the other end of the first pull rope is connected with one end of the pull rope tension device, the other end of the pull rope tension device is connected with the second pull rope, the other end of the second pull rope is fixedly connected with the bracket, and the bracket is in a regular quadrilateral shape.
In a preferable scheme, the center of the top surface of the bracket is provided with a GPS receiver, the center of the bottom surface of the bracket is tied with a laser transmitter, the edge of the bottom surface of the bracket is provided with a video monitoring system, and the center of the GPS receiver is superposed with the center of the laser transmitter.
In the preferred scheme, the stay cord straining device is a hollow cylinder structure, the inner surface of the hollow cylinder is an inner spiral structure, holes are formed at two ends of the stay cord straining device, and the outer spiral rods spirally extend into the stay cord straining device from two sides of the stay cord straining device and are spirally connected with the inner spiral structure of the hollow cylinder through the outer spiral rods.
In the preferred scheme, at steel reinforcement cage upper portion along the solid fixed ring of steel reinforcement cage circumference welding annular reinforcing bar, the solid fixed ring of annular reinforcing bar and vertical reinforcement interval spot welding, the solid fixed ring top surface equipartition of annular reinforcing bar sets up four stand spirit levels.
In the preferred scheme, the annular reinforcing steel bar fixing ring is fixedly connected with the upper coordinate adjusting support rod, a rack with the length of 20cm is arranged at the bottom end of the upper coordinate adjusting support rod, a gear is installed at the central position of the lower coordinate adjusting support rod and is connected with a motor, and the rack is meshed with the gear.
In the preferred scheme, the bottom of the lower coordinate adjusting support rod is provided with a half-centering ball, and the size of the half-centering ball is consistent with that of the annular groove.
In a preferable scheme, an annular groove is formed in the center of the top surface of the thickened steel casing.
In a preferred scheme, the center of the laser receiver is coincident with the center of the pile foundation.
In the preferred scheme, the check steel bars A and the check steel bars B are perpendicular to the vertical steel bars of the steel reinforcement cage.
In a preferred scheme, the center of the laser receiver is coincident with the center of the pile foundation.
The method for pulling out the steel casing provided by the invention has the following beneficial effects.
A large-diameter pile foundation reinforcement cage centering device is characterized in that four guard piles are arranged on the ground around a pile hole and connected through stay ropes, the stay ropes are provided with stay rope tensioning devices, a GPS receiver is installed on the top surface of a bracket, a laser transmitter and a video monitoring system are installed on the bottom surface of the bracket, a check reinforcement is vertically welded on the top of a reinforcement cage along the direction of a vertical reinforcement, a laser receiver is installed at the intersection point of the check reinforcement, and the bottom surface of an annular reinforcement fixing ring is connected with an upper coordinate adjusting support rod; adjusting rope tensioning devices on the first pull rope and the second pull rope, performing primary accurate centering through GPS positioning, and detecting the horizontal and vertical verticality of the steel reinforcement cage through a laser transmitter and a stand column level gauge in cooperation with the laser transmitter; half to well ball and ring channel degree of engagement, through motor and rack and gear cooperation work, carry out the secondary centering to the steel reinforcement cage, not only improved pile foundation steel reinforcement cage centering degree of automation, further promote the centering precision simultaneously, be favorable to promoting.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic elevation structure of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a partial enlarged view of B in fig. 2.
Fig. 5 is a partial enlarged view of C in fig. 2.
Fig. 6 is a cross-sectional view of the pull-cord tensioner.
Fig. 7 is a top view of the bracket.
Fig. 8 is a side view of the bracket.
In the figure: the device comprises a thickened steel pile casing 1, a pile 2, a pull rope 3, a first pull rope 31, a second pull rope 32, a pull rope tensioning device 4, a laser transmitter 5, a GPS receiver 6, a reinforcement cage 7, an annular reinforcement fixing ring 8, a coordinate adjusting support rod 9, an upper coordinate adjusting support rod 91, a lower coordinate adjusting support rod 92, an annular groove 10, a semi-centering ball 11, a rack 12, a gear 13, a motor 14, an inner screw 15, an outer screw 16, a bracket 17, a sliding hole 18, a checking reinforcement A19, a checking reinforcement B20, a laser receiver 21, a video monitoring system 22 and a stand level gauge 23.
Detailed Description
Referring to fig. 1-8 of the drawings in the embodiment of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described, where the large-diameter pile foundation reinforcement cage centering device includes a thickened steel casing 1, a reinforcement cage 7, a pile protection system and a centering system, where the pile protection system includes a pile protection 2, a pull rope 3, a first pull rope 31, a second pull rope 32, a pull rope tensioning device 4, a laser transmitter 5, and a GPS receiver 6, the centering system includes an annular reinforcement fixing ring 8, a coordinate adjustment support rod 9, an upper coordinate adjustment support rod 91, a lower coordinate adjustment support rod 92, an annular groove 10, a semi-centering ball 11, a rack 12, a gear 13, a motor 14, an internal spiral 15, an external spiral rod 16, a bracket 17, a sliding hole 18, a check reinforcement a19, a check reinforcement B20, a laser receiver 21, a video monitoring system 22, and a column level 23, where four pile protection 2 are disposed on the ground around a pile hole, the fender pile 2 is fixedly connected with one end of a pull rope 3, the other end of the pull rope 3 is fixedly connected with a bracket 17, a first pull rope 31 and a second pull rope 32 are connected through a pull rope tensioning device 4, a GPS receiver 6 is installed on the top surface of the bracket 17, a laser transmitter 5 and a video monitoring system 22 are installed on the bottom surface of the bracket 17, a check steel bar A19 and a check steel bar B20 are welded along the vertical direction of a top vertical steel bar of a steel bar cage 7, a laser receiver 21 is installed at the intersection of the check steel bar A19 and the check steel bar B20, an annular steel bar fixing ring 8 is arranged on the outer circumference of the top surface of the steel bar cage 7, an upright post level gauge 23 is installed on the top surface of the annular steel bar fixing ring 8, the bottom surface of the annular steel bar fixing ring 8 is fixedly connected with an upper coordinate adjusting support rod 91, the bottom surface of the upper coordinate adjusting support rod 91 is movably connected with a lower coordinate adjusting support rod 92, and a half centering ball 11 is arranged at the bottom of the lower coordinate adjusting support rod 92.
In the preferred scheme, the four guard piles 2 are arranged in a regular quadrangle, the center of the regular quadrangle is superposed with the center of the pile foundation, and two guard piles 2, two pull rope tensioning devices 4 and two pull ropes 3 which are crossed in the four guard piles 2 form one group, and the two groups are totally two; one end of the first pull rope 31 is fixed on one of the piles 2, the other end of the first pull rope is connected with one end of the pull rope tension device 4, the other end of the pull rope tension device 4 is connected with the second pull rope 32, the other end of the second pull rope 32 is fixedly connected with the bracket 17, and the bracket 17 is in a regular quadrilateral shape.
In a preferred scheme, the GPS receiver 6 is arranged at the center of the top surface of the bracket 17, the laser transmitter 5 is tied and hung at the center of the bottom surface of the bracket 17, the video monitoring system 22 is arranged at the edge of the bottom surface of the bracket 17, and the center of the GPS receiver 6 is coincided with the center of the laser transmitter 5.
In a preferred scheme, the stay cord tensioning device 4 is of a hollow cylindrical structure, the inner surface of the hollow cylinder is of an internal spiral 15 structure, holes are formed in two ends of the stay cord tensioning device 4, and an external spiral rod 16 spirally extends into the stay cord tensioning device 4 from two sides of the stay cord tensioning device 4 and is in spiral connection with the internal spiral 15 structure of the hollow cylinder through the external spiral rod 16.
In the preferred scheme, at 7 upper portions of steel reinforcement cage 7 along 7 circumference welding annular reinforcing bar fixed ring 8 of steel reinforcement cage, the vertical reinforcing bar interval spot welding of the fixed ring 8 of annular reinforcing bar and steel reinforcement cage 7, the 8 top surface equipartitions of the fixed ring of annular reinforcing bar set up four stand spirit levels 23.
In a preferable scheme, the annular reinforcing steel bar fixing ring 8 is fixedly connected with an upper coordinate adjusting support rod 91, a rack 12 with the length of 20cm is arranged at the bottom end of the upper coordinate adjusting support rod 91, a gear 13 is arranged at the center of a lower coordinate adjusting support rod 92, the gear 13 is connected with a motor 14, and the rack 12 is meshed with the gear 13.
In a preferred scheme, a semi-centering ball 11 is arranged at the bottom of the lower coordinate adjusting support rod 92, and the size of the semi-centering ball 11 is consistent with that of the annular groove 10.
In a preferable scheme, an annular groove 10 is arranged at the center of the top surface of the thickened steel casing 1.
In a preferred scheme, the center of the laser receiver 21 is coincident with the center of the pile foundation.
In a preferred scheme, the check steel bars A19 and the check steel bars B20 are perpendicular to the vertical steel bars of the steel bar cage 7.
In a preferred scheme, the center of the laser receiver 21 is coincident with the center of the pile foundation.
The working principle is as follows.
As shown in fig. 1-8, a centering device for a large-diameter pile foundation reinforcement cage, firstly, manufacturing of the reinforcement cage 7 is completed, a check reinforcement a19 and a check reinforcement B20 are vertically welded on the top of the reinforcement cage 7 along a vertical reinforcement, it is ensured that the intersection point of the check reinforcement a19 and the check reinforcement B20 is located in the center of the reinforcement cage 7, a laser receiver 21 is installed at the intersection point of the check reinforcement a and the check reinforcement B, then an annular reinforcement fixing ring 8 is welded at a proper position on the top of the reinforcement cage 7 according to the hole depth, the annular reinforcement fixing ring 8 is spot-welded with the vertical reinforcement of the reinforcement cage 7, and then an upper coordinate adjusting support rod 91 is fixed with the annular reinforcement fixing ring 8, so that the earlier stage work is completed.
After the pile hole is completed, the pile protection 2 is buried at a designated position on the ground, the connecting line of the symmetrical pile protection 2 is ensured to be positioned at the central line of the pile hole, the steel reinforcement cage 7 is lifted to the pile hole through a lifting device to move, the half pair of middle balls 11 below the lower coordinate adjusting support rod 92 is ensured to be installed in the annular groove 10, and the vertical position of the steel reinforcement cage 7 is consistent with the design position at the moment.
The first pull rope 31, the second pull rope 32, the pull rope tensioning device, the GPS receiver 6, the video monitoring system 22 and the bracket 17 are connected and installed, and the GPS receiver coordinate is ensured to be consistent with the pile foundation center point coordinate by manually adjusting the tightness of the pull rope tensioning device according to the GPS receiver and the pile foundation center point coordinate.
The laser emitter 5 is opened, laser is emitted to the laser receiver 21, the laser emission position is observed through the video monitoring system 22 at the bottom end of the bracket 17, when the laser is located at the center of the laser receiver 21, the reinforcement cage 7 is in a centering state, and when the laser is not located at the center of the laser receiver 21, the reinforcement cage 7 is not centered, and further adjustment is needed.
Starting a motor 14, driving a gear 13 to rotate by the motor 14, driving a rack 12 and an upper coordinate adjusting support rod 91 to move by the rotation of the gear 13, driving an annular reinforcing steel bar fixing ring 8 and a reinforcing steel bar cage 7 to move by the movement of the upper coordinate adjusting support rod 91, closing the motor 14 when the laser emission position is finally observed to be at the central position of a laser receiver 21 by a video monitoring system 22, detecting whether bubbles in an upright post level gauge 23 are at the center again, if the laser is not at the central position of the laser receiver 21 and needs to be adjusted, finally transmitting the laser to the center of the laser receiver 21 and finishing the centering of the reinforcing steel bar cage 7 when the bubbles in the upright post level gauge 23 are at the center, then pouring concrete, disassembling a pile protector 2, a first pull rope 31, a second pull rope 32, a pull rope tensioning device 4, a GPS receiver 6, a video monitoring system 22 and a bracket 17 after the concrete is poured, then, the upper coordinate adjustment support rod 91 and the lower coordinate adjustment support rod 92 are disassembled, and the thickened steel casing 1 is pulled out.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a major diameter pile foundation steel reinforcement cage centering device, characterized by: comprises a thickened steel pile casing (1), a reinforcement cage (7), a pile protection system and a centering system, wherein the pile protection system comprises a pile protection (2), a pull rope (3), a first pull rope (31), a second pull rope (32), a pull rope tensioning device (4), a laser transmitter (5) and a GPS receiver (6), the centering system comprises an annular reinforcement fixing ring (8), a coordinate adjusting support rod (9), an upper coordinate adjusting support rod (91), a lower coordinate adjusting support rod (92), an annular groove (10), a half-centering ball (11), a rack (12), a gear (13), a motor (14), an inner screw (15), an outer screw (16), a bracket (17), a sliding hole (18), a checking reinforcement A (19), a checking reinforcement B (20), a laser receiver (21), a video monitoring system (22) and a stand column level meter (23), four pile protection (2) are arranged on the ground around the pile hole, the fender pile (2) is fixedly connected with one end of a pull rope (3), the other end of the pull rope (3) is fixedly connected with a bracket (17), a first pull rope (31) and a second pull rope (32) are connected through a pull rope tensioning device (4), a GPS receiver (6) is installed on the top surface of the bracket (17), a laser transmitter (5) and a video monitoring system (22) are installed on the bottom surface of the bracket (17), a check reinforcing steel bar A (19) and a check reinforcing steel bar B (20) are welded along the vertical direction of a vertical reinforcing steel bar at the top of a reinforcing steel bar cage (7), a laser receiver (21) is installed at the intersection point of the check reinforcing steel bar A (19) and the check reinforcing steel bar B (20), an annular reinforcing steel bar fixing ring (8) is arranged on the outer circumference of the top surface of the reinforcing steel bar cage (7), a stand level meter (23) is installed on the top surface of the annular reinforcing steel bar fixing ring (8), and an upper coordinate adjusting support rod (91) is fixedly connected with the bottom surface of the annular reinforcing steel bar fixing ring (8), the bottom surface of the upper coordinate adjusting supporting rod (91) is movably connected with the lower coordinate adjusting supporting rod (92), and the bottom of the lower coordinate adjusting supporting rod (92) is provided with a half pair of middle balls (11).
2. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the four guard piles (2) are arranged in a regular quadrangle, the center of the regular quadrangle is superposed with the center of the pile foundation, and two guard piles (2), two pull rope tensioning devices (4) and two pull ropes (3) which are crossed in the four guard piles (2) form one group, and the total number of the two groups is two; one end of a first pull rope (31) is fixed on one of the guard piles (2), the other end of the first pull rope is connected with one end of a pull rope tensioning device (4), the other end of the pull rope tensioning device (4) is connected with a second pull rope (32), the other end of the second pull rope (32) is fixedly connected with a bracket (17), and the bracket (17) is in a regular quadrilateral shape.
3. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the GPS receiver (6) is mounted at the center of the top surface of the bracket (17), the laser transmitter (5) is tied and hung at the center of the bottom surface of the bracket (17), the video monitoring system (22) is mounted at the edge of the bottom surface of the bracket (17), and the center of the GPS receiver (6) is overlapped with the center of the laser transmitter (5).
4. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: stay cord straining device (4) are the hollow circular cylinder structure, and hollow circular cylinder internal surface is interior spiral (15) structure, and stay cord straining device (4) both ends trompil, and stay cord straining device (4) are stretched into to outer hob (16) from stay cord straining device (4) both sides spiral, through outer hob (16) and hollow circular cylinder interior spiral (15) structure screwed connection.
5. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: at steel reinforcement cage (7) upper portion along steel reinforcement cage (7) circumference welding annular reinforcing bar solid fixed ring (8), annular reinforcing bar solid fixed ring (8) and vertical reinforcement interval spot welding, annular reinforcing bar solid fixed ring (8) top surface equipartition sets up four stand spirit levels (23).
6. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: annular reinforcing bar fixed ring (8) and last coordinate adjustment bracing piece (91) fixed connection set up rack (12) that length is 20cm in last coordinate adjustment bracing piece (91) bottom, and under coordinate adjustment bracing piece (92) central point put installation gear (13), gear (13) are connected with motor (14), and rack (12) and gear (13) interlock each other.
7. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the bottom of the lower coordinate adjusting support rod (92) is provided with a half-centering ball (11), and the size of the half-centering ball (11) is consistent with that of the annular groove (10).
8. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the above-mentioned
An annular groove (10) is arranged at the center of the top surface of the thickened steel casing (1).
9. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the center of the laser receiver (21) is coincided with the center of the pile foundation.
10. The large-diameter pile foundation reinforcement cage centering device of claim 1, wherein: the checking steel bars A (19) and the checking steel bars B (20) are perpendicular to the vertical steel bars of the steel bar cage (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012120.8A CN114215048A (en) | 2022-01-07 | 2022-01-07 | Large-diameter pile foundation reinforcement cage centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012120.8A CN114215048A (en) | 2022-01-07 | 2022-01-07 | Large-diameter pile foundation reinforcement cage centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114215048A true CN114215048A (en) | 2022-03-22 |
Family
ID=80708359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210012120.8A Withdrawn CN114215048A (en) | 2022-01-07 | 2022-01-07 | Large-diameter pile foundation reinforcement cage centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114215048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302270A (en) * | 2022-09-01 | 2022-11-08 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
| CN116623646A (en) * | 2023-06-06 | 2023-08-22 | 中国十七冶集团有限公司 | Positioning method for reinforcement cage of manual hole digging pile |
-
2022
- 2022-01-07 CN CN202210012120.8A patent/CN114215048A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115302270A (en) * | 2022-09-01 | 2022-11-08 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
| CN115302270B (en) * | 2022-09-01 | 2023-10-13 | 南通美群节能应用技术有限公司 | Stator inner hole positioning device and method |
| CN116623646A (en) * | 2023-06-06 | 2023-08-22 | 中国十七冶集团有限公司 | Positioning method for reinforcement cage of manual hole digging pile |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20220322 |