CN216787126U - Be applicable to steel-pipe pile accurate positioning execute and beat auxiliary device - Google Patents
Be applicable to steel-pipe pile accurate positioning execute and beat auxiliary device Download PDFInfo
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- CN216787126U CN216787126U CN202220315891.XU CN202220315891U CN216787126U CN 216787126 U CN216787126 U CN 216787126U CN 202220315891 U CN202220315891 U CN 202220315891U CN 216787126 U CN216787126 U CN 216787126U
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Abstract
The utility model provides an accurate positioning driving auxiliary device suitable for a steel pipe pile, which comprises a guide frame and a monitoring system, wherein the guide frame comprises an upper layer wellhead platform, a lower layer wellhead platform and a support, the upper layer wellhead platform is provided with a plurality of rectangular plates, through holes are formed in the rectangular plates, a plurality of guide structures are uniformly arranged on the rectangular plates along the circumferential direction of the through holes, and each guide structure comprises a pulley and a driving assembly which is connected with the pulley and is used for driving the pulley to move along the radial direction of the through hole; the structure of the lower layer wellhead platform is the same as that of the upper layer wellhead platform; the monitoring system comprises a positioning antenna, a verticality sensor and an intelligent terminal, wherein the positioning antenna is arranged on an upper layer wellhead platform or a lower layer wellhead platform, the verticality sensor is arranged on a support, and the intelligent terminal is connected with the positioning antenna and the verticality sensor respectively. The utility model can reduce the deviation of the position and the verticality of the steel pipe pile, improve the construction efficiency, monitor the construction data in the pile driving process in real time and facilitate the construction management.
Description
Technical Field
The utility model belongs to the technical field of foundation engineering, and particularly relates to an accurate positioning driving auxiliary device suitable for a steel pipe pile.
Background
The steel pipe pile has the advantages of high tensile strength, reliable engineering quality, high construction speed and the like, but in large-scale engineering construction, the application of the large-diameter steel pipe pile is increasingly wide, and the construction position and the verticality of the steel pipe pile have great influence on the engineering quality. According to the traditional piling method, positioning of the guide frame is manually performed through equipment such as a GPS (global positioning system) and the like, the verticality monitoring in the piling process adopts a total station to monitor two axes of the steel pipe pile, the whole piling process has the problems of large error, low construction efficiency and the like, and point location information and verticality change information cannot be collected in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide the auxiliary device suitable for accurately positioning and driving the steel pipe pile, which can reduce the deviation of the position and the verticality of the steel pipe pile, improve the construction efficiency, monitor the construction data in the pile driving process in real time and facilitate construction management.
The utility model is realized by the following technical scheme:
the guide frame comprises an upper layer wellhead platform, a lower layer wellhead platform and a support connected with the upper layer wellhead platform and the lower layer wellhead platform, wherein the upper layer wellhead platform is provided with a plurality of rectangular plates, through holes are formed in the rectangular plates, the rectangular plates are uniformly provided with a plurality of guide structures along the circumferential direction of the through holes, and each guide structure comprises a pulley and a driving assembly connected with the pulley and used for driving the pulley to move along the radial direction of the through hole;
the structure of the lower wellhead platform is the same as that of the upper wellhead platform, and the plurality of through holes of the lower wellhead platform are respectively positioned right below the plurality of through holes of the upper wellhead platform;
the monitoring system comprises a positioning antenna, a verticality sensor and an intelligent terminal, wherein the positioning antenna is arranged on an upper layer wellhead platform or a lower layer wellhead platform, the verticality sensor is arranged on a support, and the intelligent terminal is connected with the positioning antenna and the verticality sensor respectively.
Further, drive assembly includes holding frame and first screw rod, and the holding frame sets up on the rectangular plate, first screw rod and holding frame threaded connection to be connected with the pulley.
Furthermore, the number of the guide structures on the rectangular plate is four, every two guide structures are in a group, two guide structures in each group are symmetrically arranged on two sides of the through hole, and grooves are formed in the pulleys of the two guide structures in one group.
Furthermore, the positions of the rectangular plate, which are positioned at the two sides of the through hole, are symmetrically provided with vertical through grooves, and the two vertical through grooves are respectively positioned below the two pulleys provided with the grooves and are respectively communicated with the through hole.
Furthermore, a hand wheel is arranged at one end, far away from the pulley, of the first screw rod.
Further, still include the setting and be used for supporting the support assembly of lower floor wellhead platform on lower floor wellhead platform.
Further, still include first handrail rail and second handrail rail, first handrail rail sets up along the circumference of upper wellhead platform, and the quantity of second handrail rail is the same and the one-to-one with the quantity of the rectangular plate of upper wellhead platform, and second handrail rail sets up on upper wellhead platform along the circumference of the rectangular plate that corresponds.
Furthermore, the upper wellhead platform is provided with universal horizontal bubbles.
Further, the upper layer wellhead platform and the lower layer wellhead platform are connected through the escalator.
Further, the rectangular plate is a rubber plate, and the pulley is a rubber wheel.
Compared with the prior art, the utility model has the beneficial effects that: the guide frame is a double-layer portal guide frame consisting of an upper layer wellhead platform and a lower layer wellhead platform, the integral strength is higher, the upper layer wellhead platform and the lower layer wellhead platform are provided with a plurality of through holes for steel pipe piles to pass through, the steel pipe piles are guided integrally, each steel pipe pile is enabled to have an independent operation space, a plurality of guide structures on the rectangular plate can be adjusted in the radial direction of the through holes, and further the deviation of the inclination, the deviation and the verticality of each steel pipe pile can be adjusted and controlled in time when the steel pipe piles are driven, meanwhile, pulleys are adopted to protect an anticorrosive coating on the steel pipe piles, an intelligent terminal collects the information of a positioning antenna and a verticality sensor, the pile point position and the verticality information of the steel pipe piles can be monitored and displayed in real time, the construction quality and the construction progress management are convenient to control, the downward penetration speed of the steel pipe piles is accelerated, and the construction quality and the construction efficiency of the large-diameter steel pipe piles can be effectively improved, is safe, economical and reliable, and is convenient for application and popularization.
Drawings
FIG. 1 is a schematic structural view of an auxiliary device for accurately positioning, driving and driving a steel pipe pile according to the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a top view of the auxiliary device for accurately positioning, driving and driving the steel pipe pile according to the present invention;
fig. 4 is a schematic structural diagram of a guiding structure of the auxiliary device for accurately positioning, driving and driving the steel pipe pile according to the present invention.
In the figure, 1-a guide frame, 11-an upper layer wellhead platform, 12-a lower layer wellhead platform, 13-a support, 14-a rectangular plate, 141-a through hole, 142-a vertical through groove, 15-a guide structure, 151-a pulley, 1511-a groove, 152-a clamping frame, 153-a first screw rod, 154-a hand wheel, 16-a universal horizontal bubble, 2-a positioning antenna, 3-a verticality sensor, 4-an intelligent terminal, 5-a support component, 6-a first handrail fence, 7-a second handrail fence and 8-a staircase.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the utility model product is conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view of an auxiliary device for accurately positioning, driving and driving a steel pipe pile according to the present invention, fig. 2 is an enlarged view of a portion a of fig. 1, and fig. 3 is a top view of the auxiliary device for accurately positioning, driving and driving a steel pipe pile according to the present invention. The utility model provides an auxiliary device is executed and beaten suitable for steel-pipe pile accurate positioning, including leading truck 1 and monitoring system, leading truck 1 includes upper wellhead platform 11, lower floor wellhead platform 12 and the support 13 who connects upper wellhead platform 11 and lower floor wellhead platform 12, be equipped with a plurality of rectangular plates 14 on the upper wellhead platform 11, the clearing hole 141 has been seted up on the rectangular plate 14, evenly be equipped with a plurality of guide structures 15 along the clearing hole 141 circumferencial direction on the rectangular plate 14, guide structures 15 include pulley 151 and be connected with pulley 151 and be used for driving pulley 151 along the drive assembly of the radial direction removal of clearing hole 141; the structure of the lower wellhead platform 12 is the same as that of the upper wellhead platform 11, and the plurality of through holes 141 of the lower wellhead platform 12 are respectively positioned right below the plurality of through holes 141 of the upper wellhead platform 11; the monitoring system comprises a positioning antenna 2, a verticality sensor 3 and an intelligent terminal 4, wherein the positioning antenna 2 is arranged on an upper wellhead platform 11 or a lower wellhead platform 12, the verticality sensor 3 is arranged on a support 13, and the intelligent terminal 4 is respectively connected with the positioning antenna 2 and the verticality sensor 3.
The clearing hole 141 of upper wellhead platform 11 and the clearing hole 141 one-to-one of lower floor wellhead platform 12, when being under construction, the steel-pipe pile inserts in the clearing hole 141 that upper wellhead platform 11 and lower floor wellhead platform 12 correspond, make every steel-pipe pile all have independent operating space, then hug closely the steel-pipe pile through drive assembly drive pulley 151, come the straightness and the stake point position of accurate control steel-pipe pile, intelligent terminal 4 acquires the information that positioning antenna 2 and straightness sensor 3 gathered, with the straightness control that hangs down in the removal of guide frame 1 and the steel-pipe pile work progress, and intelligent terminal 4 can real-time supervision and show stake point position and the straightness information that hangs down in the steel-pipe pile work progress. Preferably, the intelligent terminal 4 is a mobile terminal.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a guiding structure of the auxiliary device for accurately positioning, driving and driving a steel pipe pile according to the present invention. In one embodiment, the driving assembly includes a holder 152 and a first screw 153, the holder 152 is disposed on the rectangular plate 14, and the first screw 153 is threadedly coupled to the holder 152 and coupled to the pulley 151. One end of the first screw 153 passes through the clamping frame 152 and then is connected with the pulley 151, and the length direction of the first screw 153 faces the center of the passing hole 141, so that when the first screw 153 is rotated, the pulley 151 can be driven by the first screw 153 to move along the radial direction of the passing hole 141, and the pulley 151 clamps or loosens the steel pipe pile arranged in the passing hole 141. In one embodiment, the number of the guiding structures 15 on the rectangular plate 14 is four, and two guiding structures 15 are provided in groups, and two guiding structures 15 in each group are symmetrically provided at two sides of the passing hole 141, wherein the pulleys 151 of two guiding structures 15 in one group are provided with grooves 1511. The grooves 1511 are formed in the two symmetrically-arranged pulleys 151, and the lock catches on the steel pipe piles can pass through the grooves 1511, so that the steel pipe pile accurate-positioning driving auxiliary device provided by the utility model can be used for driving the steel pipe piles with the lock catches. In one embodiment, the rectangular plate 14 is symmetrically provided with vertical through grooves 142 at the two sides of the through hole 141, and the two vertical through grooves 142 are respectively located below the two pulleys 151 provided with the grooves 1511 and respectively communicate with the through hole 141. The vertical through-groove 142 may allow the shackle of the steel pipe pile to pass therethrough, so that the diameter of the passage hole 141 is slightly larger than that of the steel pipe pile, and when the first screw 153 drives the pulley 151 to move toward the center of the passage hole 141, the moving distance of the pulley 151 driven by the first screw 153 may be reduced. In one embodiment, a handwheel 154 is provided at an end of the first screw 153 remote from the pulley 151. The first screw rod 153 is rotated by a constructor through the handwheel 154, so that the position of the pulley 151 is adjusted, and the pulley 151 clamps or loosens the steel pipe pile. In one embodiment, the rectangular plate 14 is a rubber plate and the pulley 151 is a rubber wheel. Rectangular plate 14 and pulley 151 all adopt rigid rubber to make, avoid damaging the anticorrosive coating on the steel-pipe pile.
In one embodiment, the device for assisting in accurately positioning, driving and driving the steel pipe pile further comprises a support assembly 5 arranged on the lower wellhead platform 12 and used for supporting the lower wellhead platform 12. During construction, the supporting component 5 is inserted into the soil body, so that the deviation of the guide frame 1 can be further reduced. In one embodiment, the support assembly 5 includes a plurality of anchor piles, each anchor pile having a plurality of brackets disposed along a circumferential direction of the lower wellhead platform 12 and detachably connected to the lower wellhead platform 12. The anchor piles are inserted into the soil body so that the upper surfaces of the plurality of brackets are at the same horizontal plane, and then the guide frame 1 is installed on the plurality of brackets. In one embodiment, the number of the anchor piles is four, and the anchor piles are respectively arranged on four corners of the guide frame 1. In an embodiment, the beams are arranged at two ends of the length direction of the lower-layer wellhead platform 12, two second screws are arranged on the bracket at intervals, pressing sheets are sleeved on the two second screws, and nuts are connected to the second screws in a threaded mode. The crossbeam is placed on two brackets, and is located between two second screw rods on the bracket, and the preforming cover is established on two second screw rods and is pasted tightly with the crossbeam, compresses tightly the preforming on the crossbeam through rotatory nut to install leading truck 1 on four brackets.
In one embodiment, the upper wellhead platform 11 is provided with a gimbal level bubble 16. This arrangement facilitates the levelling of the guide frame 1. In one embodiment, the two ends of the upper surface of the upper wellhead platform 11 are provided with universal horizontal bubbles 16, and the two ends of the upper surface of the lower wellhead platform 12 are provided with universal horizontal bubbles 16.
In an embodiment, the device suitable for accurately positioning, driving and assisting the steel pipe piles further comprises a first handrail fence 6 and a second handrail fence 7, the first handrail fence 6 is arranged along the circumferential direction of the upper wellhead platform 11, the number of the second handrail fences 7 is the same as the number of the rectangular plates 14 of the upper wellhead platform 11 and corresponds to one another, and the second handrail fences 7 are arranged on the upper wellhead platform 11 along the circumferential direction of the corresponding rectangular plates 14. This setting improves construction safety.
In one embodiment, the upper wellhead platform 11 and the lower wellhead platform 12 are connected by a ladder 8. It is convenient for constructors to go to and fro the upper layer wellhead platform 11 and the lower layer wellhead platform 12. In an embodiment, the upper wellhead platform 11 comprises a first frame and two beams, the two beams are respectively located on two sides of the first frame in the length direction and are connected with the first frame through two first longitudinal beams, wherein the two first longitudinal beams are arranged on the beams at intervals, the first frame comprises a plurality of rectangular frames which are arranged in parallel, the two adjacent rectangular frames are connected through two second longitudinal beams, the two second longitudinal beams are arranged on the rectangular frames at intervals, the number of the rectangular frames is equal to that of the rectangular plates 14, the rectangular plates 14 are arranged in the corresponding rectangular frames, the support 13 comprises two second frames which are arranged at intervals, the second frames comprise a plurality of stand columns which are arranged at intervals, the two adjacent stand columns are connected through cross diagonal braces, and the verticality sensor 3 is arranged on any stand column.
The following brief description is applicable to the use process of the steel pipe pile accurate positioning driving auxiliary device:
firstly, leveling a piling site, setting a driving position of a supporting component 5, inserting an anchor pile into a soil body, and ensuring that the upper surfaces of brackets on the anchor pile are in the same horizontal plane after the anchor pile is inserted into the soil body; after the anchor pile is installed, pile points needing to be driven are selected at the intelligent terminal 4, then the intelligent terminal 4 collects position information of the positioning antenna 2, the position information of the centers of the through holes 141 is calculated in real time according to the distance between the positioning antenna 2 and the centers of the through holes 141, the pile point positions can be obtained, the moving direction and the distance needed by the guide frame 1 are obtained, the moving of the guide frame 1 is carried out according to the moving direction and the distance needed by the guide frame 1 displayed by the intelligent terminal 4, after the moving is completed, the guide frame 1 is installed on a plurality of brackets, the leveling of the guide frame 1 is confirmed through the universal level bubble 16, and the accurate positioning driving auxiliary device for the steel pipe pile is installed.
After the installation is accomplished, adopt the vibratory hammer machinery to carry the steel-pipe pile, and insert the steel-pipe pile perpendicularly in the clearing hole 141 on upper wellhead platform 11 and lower floor's wellhead platform 12, then rotate first screw rod 153, drive pulley 151 removes to the steel-pipe pile direction, make pulley 151 hug closely the steel-pipe pile, and then through the 15 centre gripping steel-pipe piles of a plurality of guide structure on the rectangular plate 14, the construction to the steel-pipe pile leads, the straightness and the location of hanging down of accurate control steel-pipe pile, hang down straightness information cooperation guide structure 15 through intelligent terminal 4 demonstration controls the straightness that hangs down, execute and beat in-process intelligent terminal 4 also with real-time supervision and collect the stake point position and the straightness information that hangs down of steel-pipe pile. During construction, two steel pipe piles located on the outermost side are inserted, intermediate steel pipe pile insertion is performed, after construction of one steel pipe pile is completed, the level of the guide frame 1 needs to be checked through the universal horizontal bubble 16, the guide frame 1 needs to be checked and leveled, and then construction of the next steel pipe pile is performed until all the steel pipe piles are constructed.
Compared with the prior art, the utility model has the beneficial effects that: the guide frame 1 is a double-layer portal guide frame 1 consisting of an upper layer wellhead platform 11 and a lower layer wellhead platform 12, the integral strength is higher, the upper layer wellhead platform 11 and the lower layer wellhead platform 12 are provided with a plurality of through holes 141 for steel pipe piles to pass through, the steel pipe piles are guided integrally, each steel pipe pile is enabled to have an independent operation space, a plurality of guide structures 15 on a rectangular plate 14 can be adjusted radially to the through holes 141, further, the deviation of the inclination, the deviation and the verticality of each steel pipe pile can be adjusted and controlled in time when the steel pipe piles are driven, meanwhile, the pulley 151 is adopted to protect an anticorrosive coating on the steel pipe pile, the intelligent terminal 4 acquires information of the positioning antenna 2 and the verticality sensor 3, the pile point position and the verticality information of the steel pipe pile can be monitored and displayed in real time, the construction quality and construction progress management are convenient to control, and the penetration speed of the steel pipe piles is accelerated, the construction quality and the construction efficiency of the large-diameter steel pipe pile can be effectively improved, and the method is safe, economical, reliable and convenient to apply and popularize.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.
Claims (10)
1. The auxiliary device is characterized by comprising a guide frame and a monitoring system, wherein the guide frame comprises an upper layer wellhead platform, a lower layer wellhead platform and a support connected with the upper layer wellhead platform and the lower layer wellhead platform, the upper layer wellhead platform is provided with a plurality of rectangular plates, through holes are formed in the rectangular plates, the rectangular plates are uniformly provided with a plurality of guide structures along the circumferential direction of the through holes, and each guide structure comprises a pulley and a driving assembly connected with the pulley and used for driving the pulley to move along the radial direction of the through hole;
the structure of the lower wellhead platform is the same as that of the upper wellhead platform, and the plurality of through holes of the lower wellhead platform are respectively positioned right below the plurality of through holes of the upper wellhead platform;
the monitoring system comprises a positioning antenna, a verticality sensor and an intelligent terminal, wherein the positioning antenna is arranged on an upper layer wellhead platform or a lower layer wellhead platform, the verticality sensor is arranged on a support, and the intelligent terminal is connected with the positioning antenna and the verticality sensor respectively.
2. The auxiliary device for accurately positioning and driving the steel pipe pile according to claim 1, wherein the driving assembly comprises a clamping frame and a first screw rod, the clamping frame is arranged on the rectangular plate, and the first screw rod is in threaded connection with the clamping frame and is connected with the pulley.
3. The device for assisting in accurately positioning, driving and driving the steel pipe pile according to claim 1, wherein the number of the guide structures on the rectangular plate is four, each two guide structures are symmetrically arranged on two sides of the through hole, and a groove is formed in a pulley of each two guide structures.
4. The auxiliary device for accurately positioning, driving and assisting the steel pipe pile according to claim 3, wherein vertical through grooves are symmetrically formed in positions, located on two sides of the through hole, of the rectangular plate, and the two vertical through grooves are located below the two grooved pulleys respectively and are communicated with the through hole respectively.
5. The device for assisting in accurately positioning, driving and driving the steel pipe pile according to claim 2, wherein a hand wheel is arranged at one end of the first screw rod, which is far away from the pulley.
6. The device for assisting in accurately positioning, driving and driving the steel pipe pile according to claim 1, further comprising a support assembly arranged on the lower wellhead platform and used for supporting the lower wellhead platform.
7. The device suitable for accurately positioning, driving and assisting the steel pipe pile according to claim 1, further comprising a first handrail fence and a second handrail fence, wherein the first handrail fence is arranged along the circumferential direction of the upper wellhead platform, the number of the second handrail fence is the same as the number of the rectangular plates of the upper wellhead platform, the second handrail fence corresponds to the rectangular plates of the upper wellhead platform one by one, and the second handrail fence is arranged on the upper wellhead platform along the circumferential direction of the corresponding rectangular plates.
8. The device as claimed in claim 1, wherein the upper wellhead platform is provided with a universal horizontal bubble.
9. The device suitable for accurately positioning, driving and assisting the steel pipe pile according to claim 1, wherein the upper wellhead platform and the lower wellhead platform are connected through an escalator.
10. The device as claimed in claim 1, wherein the rectangular plate is a rubber plate, and the pulley is a rubber wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315891.XU CN216787126U (en) | 2022-02-16 | 2022-02-16 | Be applicable to steel-pipe pile accurate positioning execute and beat auxiliary device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315891.XU CN216787126U (en) | 2022-02-16 | 2022-02-16 | Be applicable to steel-pipe pile accurate positioning execute and beat auxiliary device |
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| CN216787126U true CN216787126U (en) | 2022-06-21 |
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| CN202220315891.XU Active CN216787126U (en) | 2022-02-16 | 2022-02-16 | Be applicable to steel-pipe pile accurate positioning execute and beat auxiliary device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467327A (en) * | 2022-08-17 | 2022-12-13 | 中交第二航务工程局有限公司 | Self-walking intelligent high-precision positioning pile driving frame system and construction method thereof |
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2022
- 2022-02-16 CN CN202220315891.XU patent/CN216787126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115467327A (en) * | 2022-08-17 | 2022-12-13 | 中交第二航务工程局有限公司 | Self-walking intelligent high-precision positioning pile driving frame system and construction method thereof |
| CN115467327B (en) * | 2022-08-17 | 2023-08-29 | 中交第二航务工程局有限公司 | Self-walking intelligent high-precision positioning pile driving frame system and construction method thereof |
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