CN221052585U - Installation system of full sand layer geological oversized-diameter composite pile steel pipe - Google Patents
Installation system of full sand layer geological oversized-diameter composite pile steel pipe Download PDFInfo
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- CN221052585U CN221052585U CN202322439817.6U CN202322439817U CN221052585U CN 221052585 U CN221052585 U CN 221052585U CN 202322439817 U CN202322439817 U CN 202322439817U CN 221052585 U CN221052585 U CN 221052585U
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- steel pipe
- guide frame
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- pile steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 124
- 239000010959 steel Substances 0.000 title claims abstract description 124
- 239000002131 composite material Substances 0.000 title claims abstract description 106
- 239000004576 sand Substances 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model provides a mounting system of a full sand layer geological oversized-diameter composite pile steel pipe, which comprises a sinking guide frame, wherein a through channel for the composite pile steel pipe to pass through is formed in the center of the sinking guide frame; a plurality of guide devices are arranged in the sinking guide frame; all the guiding devices are arranged around the circumference of the composite pile steel pipe. A channel for the composite pile steel pipe is reserved in the sinking guide frame, the composite pile steel pipe is limited in the channel, the position of the composite pile steel pipe is adjusted by utilizing the guide device, meanwhile, the guide device can also clamp and fix the composite pile steel pipe, the composite pile steel pipe is installed in place, and even in full sand layer geology, the accurate driving of the composite pile steel pipe can be ensured.
Description
Technical Field
The utility model belongs to the field of bridges, and particularly relates to a system for installing a full sand layer geological oversized-diameter composite pile steel pipe.
Background
The requirements for transportation are rapidly increased, large-scale cross-sea and river-crossing bridges are increased, and most bridge designs tend to adopt composite steel pipe pile foundation forms due to the characteristics of high bearing capacity, stable quality and the like of the composite steel pipe piles. The installation of the composite pile steel pipe is a basic link of the whole bridge construction process and is also an extremely important link.
In order to ensure high-quality, high-efficiency and high-standard construction of the composite pile steel pipe, a reasonable installation method is particularly important, and the traditional composite pile steel pipe installation is difficult to control the plane position and the perpendicularity and ensure the penetration depth due to lack of an accurate guiding and positioning system and a driving method, and particularly for the installation of the composite pile steel pipe with full sand geology, overlength (about 35 meters) and oversized diameter (more than 2 m), the traditional construction method is difficult to ensure the installation precision and quality.
Disclosure of utility model
The utility model aims to provide a system for installing a full sand layer geological oversized-diameter composite pile steel pipe, so as to overcome the technical defects.
In order to solve the technical problems, the utility model provides a system for installing a full sand layer geological oversized-diameter composite pile steel pipe, which comprises a sinking guide frame, wherein a through channel for the composite pile steel pipe to pass through is formed in the center of the sinking guide frame;
A plurality of guide devices are arranged in the sinking guide frame;
All the guiding devices are arranged around the circumference of the composite pile steel pipe.
And the periphery of the pipe body of the composite pile steel pipe is provided with a sensor for monitoring the verticality of the composite pile steel pipe, and the sensor and the guiding device are electrically connected to the PLC.
The frame body of the sinking guide frame is divided into three layers, namely from bottom to top:
The lower layer guide frame at least comprises two guide frame spandrel girders which are arranged in parallel, and a lower layer guide frame is fixedly connected below the guide frame spandrel girders;
the middle layer guide frame comprises a plurality of middle layer upright posts, and the bottom end surfaces of all the middle layer upright posts are welded on the guide frame spandrel girder;
the upper layer guide frame consists of a plurality of upper layer cross beams which are arranged on the column tops of the middle layer column in a surrounding manner.
The lower guide frame in the lower guide frame comprises four lower upright posts, the tops of the four lower upright posts are welded on the guide frame spandrel girder, and the bottoms of the four lower upright posts are welded with lower cross beams which are arranged in a surrounding manner;
Two lower-layer cross braces parallel to each other are arranged between the two guide frame spandrel girders, and each lower-layer cross brace is perpendicular to any guide frame spandrel girder.
In the sinking guide frame, a parallel diagonal bracing is arranged in any layer of guide frame.
Four middle upright posts in the middle guide frame are arranged, and the four middle upright posts and the four lower upright posts are on the same axis;
four upper cross beams are arranged above the four middle upright posts;
Safety guard rails are arranged on the four upper cross beams.
A guide device is arranged in any layer of guide frame, the guide device comprises a jack, and a guide wheel is arranged at the piston rod end of the jack;
And the guide wheels in the guide devices on each layer of guide frame are surrounded by composite pile steel pipes.
The beneficial effects of the utility model are as follows:
(1) A channel for the composite pile steel pipe is reserved in the sinking guide frame, the composite pile steel pipe is limited in the channel, the position of the composite pile steel pipe is adjusted by utilizing the guide device, meanwhile, the guide device can also clamp and fix the composite pile steel pipe, the composite pile steel pipe is installed in place, and even in full sand layer geology, the accurate driving of the composite pile steel pipe can be ensured.
(2) The sensor installed around the composite pile steel pipe can monitor verticality in real time, the occurrence of unexpected inclination is avoided, data acquired by the sensor is transmitted to the PLC, and the PLC controls the expansion and contraction of the jack in the guide device according to the inclination angle of the composite pile steel pipe, so that the composite pile steel pipe is always kept at the designed plane position.
In order to make the above-mentioned objects of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural view of a sinking guide frame.
Fig. 2 is a schematic view of a submerged guide mounted to a landing stage platform.
Fig. 3 is a plan view of a submerged guide mounted to a landing stage platform.
Fig. 4 is an application schematic diagram of a mounting system of a full sand geological oversized diameter composite pile steel pipe.
Reference numerals illustrate:
100. a sinking guide frame;
110. A through passage; 1201. a guide frame bearing beam; 1202. a lower column; 1203. a lower layer beam; 1204. a lower layer cross brace; 130. middle layer upright post; 140. an upper layer beam; 150. parallel diagonal bracing; 160. safety guard rails;
200. a guide device;
300. Drilling platform spandrel girder;
400. And a trestle platform.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples.
In the present utility model, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the installation system of the full sand geological oversized composite pile steel pipe described in the present specification.
The exemplary embodiments of the present utility model will now be described with reference to the accompanying drawings, however, the present utility model may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present utility model and fully convey the scope of the utility model to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the utility model. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Referring to fig. 1, the present embodiment relates to a system for installing a composite pile steel pipe with an ultra-large diameter in a full sand geological environment, which comprises a sinking guide frame 100, wherein a through channel 110 for the composite pile steel pipe to pass through is formed in the center of the sinking guide frame 100, as shown in fig. 4, a crawler crane hoists the composite pile steel pipe through the through channel 110, and the through channel 110 can limit the composite pile steel pipe.
The guide device 200 comprises a jack, a guide wheel is arranged at the end of a piston rod of the jack, the piston rod of the jack gradually approaches or gradually gets away from the composite pile steel pipe through the telescopic control guide wheel, and when the piston rod of the jack gradually approaches the composite pile steel pipe, the piston rod can clamp the composite pile steel pipe; when the composite pile steel pipe is gradually far away from, the composite pile steel pipe can be loosened, and further the position adjustment of the composite pile steel pipe is realized.
The sensor for monitoring the perpendicularity of the composite pile steel pipe is arranged around the pipe body of the composite pile steel pipe, the sensor and the guide device 200 are electrically connected to the PLC, specifically, the sensor is a double-shaft inclinometer, the perpendicularity of the composite pile steel pipe can be obtained by the aid of the double-shaft inclinometer, the perpendicularity data collected by the sensor are sent to the PLC, the PLC controls the jack to stretch and retract according to the perpendicularity, and the inclination angle of the composite pile steel pipe is adjusted through the jack.
In the current composite pile steel pipe monitoring means, the mode of manual work and total powerstation complex is commonly used, however, measuring staff and leading truck operating personnel distance are far away when utilizing the total powerstation to measure, all need tell operating personnel measuring result through the intercom after measuring at every turn, because operating personnel does not have accurate assurance and audio-visual impression to adjustment direction and distance, the adjustment often needs to carry out many times and just can adjust in place at every turn, result in the efficiency of construction of beating process very slowly, and utilize the sensor can help leading truck operating personnel to know current inclination immediately after the adjustment, the efficiency of whole work progress has been improved greatly.
As shown in fig. 3, the side of the main trestle is a trestle platform 400, the drilling platform spandrel girder 300 in the trestle platform 400 is arranged parallel to the main trestle, and the sinking guide frame 100 is erected on the drilling platform spandrel girder 300, specifically:
The deviation of the plane position of the composite pile steel pipe is not more than 3cm, the deviation of the verticality is controlled within 1/400, the sinking guide frame 100 is installed on the trestle platform 400 by utilizing a 150t crawler crane, the sinking guide frame 100 is designed by adopting profile steel, is supported at the appointed position of the drilling platform spandrel girder 300 and is firmly welded, and the quality of a welding seam needs to meet the standard requirement.
Referring to fig. 1, the frame body of the sinking guide frame 100 is divided into three layers, from bottom to top:
(1) Lower guide frame
Two parallel arrangement's leading truck spandrel girder 1201 perpendicular to drilling platform spandrel girder 300, the length of leading truck spandrel girder 1201 can be according to drilling platform steel-pipe pile row spacing for leading truck spandrel girder 1201 can place on drilling platform spandrel girder 300, and carries out welded fastening with drilling platform spandrel girder 300.
A lower layer guide frame is fixedly connected below the guide frame spandrel girder 1201, the lower layer guide frame comprises four lower layer upright posts 1202, the tops of the four lower layer upright posts 1202 are welded to the guide frame spandrel girder 1201, and the bottoms of the four lower layer upright posts 1202 are welded with lower layer cross beams 1203 which are arranged in a surrounding manner;
Two lower-layer cross braces 1204 parallel to each other are arranged between the two guide frame spandrel girders 1201, each lower-layer cross brace 1204 is perpendicular to any guide frame spandrel girder 1201, and the shape formed by the two guide frame spandrel girders 1201 and the two lower-layer cross braces 1204 is similar to a II shape.
(2) Middle layer guide frame
Consists of a plurality of middle-layer upright posts 130, and the bottom end surfaces of all the middle-layer upright posts 130 are welded to a guide frame spandrel girder 1201. Specifically, the middle layer column 130 is provided with four middle layer columns 130 and four lower layer columns 1202 on the same axis.
(3) Upper layer guide frame
The upper cross beams 140 are formed by a plurality of upper cross beams 140 which are arranged on the column tops of the middle-layer column 130 in a surrounding manner, and specifically are four upper cross beams 140, wherein the length of a single upper cross beam 140 is 7.5m, the length of a single upper cross beam 140 is 5.9m, the cross beams are parallel to each other in pairs, a quadrilateral structure is formed, one group of upper cross beams 140 are welded with the top ends of the middle-layer column 130, and horizontal diagonal bracing is further arranged on the upper cross beams 140.
Safety guards 160 are provided on the four upper cross members 140.
And two adjacent layers of guide frames are connected in a welding mode, so that the whole stability of the guide frames is ensured.
In the sinking guide frame 100, a parallel diagonal brace 150 is provided in any one layer of the guide frame to increase the rigidity of the entire guide frame.
Four guide devices 200 are arranged in each layer of guide frame, composite pile steel pipes are arranged around guide wheels in the four guide devices 200 on each layer of guide frame, each guide device 200 comprises a manual jack and a guide wheel which are transversely arranged, the axis of a piston rod of the manual jack faces the axis of the composite pile steel pipes vertically, the rear end of the manual jack is fixedly connected to a base at the rear end of the guide device, and the piston rod of the jack is connected with a rotating shaft of the guide wheel.
The mounting system of the full sand layer geological oversized-diameter composite pile steel pipe comprises the following specific mounting modes:
And (i) installing a first section of steel pipe, as shown in fig. 4, hanging the first section of composite pile steel pipe into a sinking guide frame 100 by adopting a 150t crawler crane, adjusting the perpendicularity of the composite pile steel pipe by using a total station, fixing the composite pile steel pipe firmly by adopting a telescopic guide wheel (guide device) after adjusting the perpendicularity, hanging a hydraulic pile vibrating hammer which is completed by debugging to a steel pipe pile top opening by using the crawler crane, clamping the composite pile steel pipe top opening by using a hydraulic clamp, simultaneously accurately adjusting the perpendicularity of the composite pile steel pipe again by using a sensor, starting the pile vibrating hammer to vibrate and sink the steel pipe after adjusting the perpendicularity in place, once deviation occurs in the sinking process of the composite pile steel pipe, stopping vibrating and sinking the composite pile steel pipe again in time by adopting the pile vibrating hammer and the telescopic guide wheel, stopping vibrating and sinking the composite pile steel pipe when the perpendicularity of the first section of the composite pile steel pipe is lowered to be about 1.5m above a platform surface, checking the perpendicularity of the composite pile steel pipe by using the total station again, and preparing for welding a second section of composite pile.
And (ii) installing a double-shaft inclinometer, welding two supporting plates with stiffening strips on a clamp holder of the vibration pile hammer, fixing the double-shaft inclinometer on the supporting plates through bolts, and monitoring the verticality of the composite pile steel pipe through the double-shaft inclinometer.
The dual-shaft inclinometer is arranged on the vibration sinking equipment, the plane position and the verticality of the composite pile steel pipe in the driving process are monitored, and the jacking quantity of the jack on the guide frame cross beam is adjusted through real-time data feedback, so that the composite pile steel pipe is always kept at the designed plane position, and the driving precision of the composite pile steel pipe is greatly improved.
And (iii) lengthening the steel pipe, directly welding a steel gasket at the top opening of the first section of composite pile steel pipe in a factory, installing the steel gasket at the inner side of a groove of the lower section of steel pipe, carrying out sectional spot welding on the inner wall of the composite pile steel pipe, welding a code plate at the position of every 90 degrees near the groove of the lower section of composite pile steel pipe, fully adhering the steel gasket to the wall of the composite pile steel pipe, after the first section of composite pile steel pipe is driven in place, hoisting the next section of steel pipe by adopting a crawler crane, carrying out aerial butt joint on the steel pipe with the driven composite pile steel pipe, paying attention to the fact that the steel gasket and the wall of the second section of composite pile steel pipe should be adhered when in butt joint, and if not adhered, adopting a method for changing an arc angle when in butt joint welding, so that welding defects do not occur at the root of the position, and ensuring that the upper composite pile steel pipe and the lower composite pile steel pipe are on the same straight line when in welding.
And (IV) installing a top section of steel pipe, hoisting a second section of composite pile steel pipe to a top opening of the first section of composite pile steel pipe by adopting a 150t crawler crane (or a 100t crawler crane), aligning the outer walls of the composite pile steel pipes when the composite pile steel pipes are in butt joint, fixing the composite pile steel pipes by using temporary spot welding around a connecting plate after the composite pile steel pipes are aligned by adopting a total station, welding the composite pile steel pipes by adopting a single-sided welding double-sided forming welding process, fully welding two sections of butt joint composite pile steel pipes at groove positions, connecting the two sections of composite pile steel pipes, and vibrating and sinking the composite pile steel pipes to a designed elevation by adopting an impact hammer.
The bottom end of the pile vibrating hammer is connected with the composite pile steel pipe, the top end of the pile vibrating hammer is connected with the crane lifting hook, the steel pipe is sunk through hammering, in the process, the impact hammer is moved to the position right above the composite pile steel pipe, the impact hammer in the pile driver is driven by power to repeatedly strike the top opening of the composite pile steel pipe from top to bottom, so that the composite pile steel pipe is gradually driven into a river bed to a preset depth, and then the impact hammer is moved away from the composite pile steel pipe.
In full sand layer geology, upper sand utilizes hydraulic vibration hammer very easily to lead to the liquefaction of sand and then sinks smoothly under the effect of steel pipe dead weight, after the compound stake steel pipe is gone into soil and is reached certain degree of depth, the degree of compaction of sand increases, the energy greatly increased of required liquefaction, but the exciting force of vibration hammer is from top to bottom attenuation gradually, consequently continue to adopt hydraulic vibration hammer to carry out compound stake steel pipe vibration and sink and can not satisfy the requirement, change to hydraulic impact hammer and carry out the beat of compound stake steel pipe this moment, combine sunken leading truck and guider again, can beat the compound stake steel pipe smoothly and establish the design elevation.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the utility model and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (7)
1. The installation system of the full sand layer geological oversized-diameter composite pile steel pipe is characterized by comprising a sinking guide frame (100), wherein a through channel (110) for the composite pile steel pipe to pass through is formed in the center of the sinking guide frame (100);
A plurality of guide devices (200) are arranged in the sinking guide frame (100);
all the guide devices (200) are arranged around the circumference of the composite pile steel pipe.
2. The system for installing the full sand geological oversized composite pile steel pipe according to claim 1, wherein a sensor for monitoring the perpendicularity of the composite pile steel pipe is installed on the periphery of the pipe body of the composite pile steel pipe, and the sensor and the guiding device (200) are electrically connected to a PLC.
3. The installation system of the full sand geological oversized composite pile steel pipe according to claim 1 or 2, wherein the frame body of the sinking guide frame (100) is divided into three layers from bottom to top:
The lower layer guide frame at least comprises two guide frame spandrel girders (1201) which are arranged in parallel, and a lower layer guide frame is fixedly connected below the guide frame spandrel girders (1201);
the middle layer guide frame comprises a plurality of middle layer upright posts (130), and the bottom end surfaces of all the middle layer upright posts (130) are welded on the guide frame spandrel girder (1201);
the upper layer guide frame consists of a plurality of upper layer cross beams (140) which are arranged on the column tops of the middle layer column (130) in a surrounding mode.
4. A system for installing a full sand geological oversized composite pile steel pipe according to claim 3, characterized in that the lower guide frame in the lower guide frame comprises four lower upright posts (1202), the tops of the four lower upright posts (1202) are welded on the guide frame spandrel girder (1201), and the bottoms of the four lower upright posts (1202) are welded with lower cross beams (1203) which are enclosed into a quadrangle;
Two lower-layer cross braces (1204) parallel to each other are arranged between the two guide frame spandrel girders (1201), and each lower-layer cross brace (1204) is perpendicular to any guide frame spandrel girder (1201).
5. A system for installing full sand geological oversized composite pile steel pipes according to claim 3, characterized in that in a sinking guide frame (100), a parallel diagonal bracing (150) is arranged in any layer of the guide frame.
6. The installation system of the full sand geological oversized composite pile steel pipe according to claim 4, wherein four middle-layer upright posts (130) in the middle-layer guide frame are arranged, and the four middle-layer upright posts (130) and the four lower-layer upright posts (1202) are on the same axis;
Four upper cross beams (140) are arranged above the four middle upright posts (130);
and the four upper cross beams (140) are provided with safety guard rails (160).
7. A system for installing full sand geological oversized composite pile steel pipes according to claim 3, characterized in that said guiding means (200) are provided in any layer of said guiding frame, said guiding means (200) comprising a jack with a guiding wheel mounted at the piston rod end thereof;
and guide wheels in a plurality of guide devices (200) on each layer of guide frame enclose the composite pile steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439817.6U CN221052585U (en) | 2023-09-08 | 2023-09-08 | Installation system of full sand layer geological oversized-diameter composite pile steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322439817.6U CN221052585U (en) | 2023-09-08 | 2023-09-08 | Installation system of full sand layer geological oversized-diameter composite pile steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221052585U true CN221052585U (en) | 2024-05-31 |
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ID=91223969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322439817.6U Active CN221052585U (en) | 2023-09-08 | 2023-09-08 | Installation system of full sand layer geological oversized-diameter composite pile steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221052585U (en) |
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2023
- 2023-09-08 CN CN202322439817.6U patent/CN221052585U/en active Active
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