CN219862998U - Foundation pile foundation detection device - Google Patents
Foundation pile foundation detection device Download PDFInfo
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- CN219862998U CN219862998U CN202320501767.7U CN202320501767U CN219862998U CN 219862998 U CN219862998 U CN 219862998U CN 202320501767 U CN202320501767 U CN 202320501767U CN 219862998 U CN219862998 U CN 219862998U
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- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005284 excitation Effects 0.000 claims abstract description 19
- 210000000078 claw Anatomy 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 3
- 241001330002 Bambuseae Species 0.000 abstract description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 3
- 239000011425 bamboo Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001028 reflection method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a foundation pile foundation detection device which comprises a mounting top plate, wherein an excitation mechanism is arranged at the upper end of the mounting top plate, and a sensing detection mechanism and a clamping unloading mechanism are arranged at the lower end of the mounting top plate; according to the utility model, the clamping telescopic cylinder, the mounting side plate, the mounting top plate, the clamping telescopic shaft and the clamping claw are arranged, so that the convenience of pile foundation stress wave detection clamping unloading work is improved, the diversity of pile foundation detection forms is improved, and the shape adaptability of the pile foundation for the stress wave detection is improved; through setting up the flexible section of thick bamboo of sensing, the flexible axle of sensing, the sensing mounting panel, strike the electro-magnet, strike the spring, strike the connecting axle and strike the bottom block, can repeatedly strike the pile foundation and produce the stress wave to drive the stress wave sensor adjustment that the sensing mounting panel was installed and detect the position at the flexible in-process of the flexible axle of the flexible section of thick bamboo drive sensing, improved pile foundation stress wave detection work's reliability and automatic efficiency, improved pile foundation stress wave detection result's accuracy.
Description
Technical Field
The utility model relates to the field of building components, in particular to a foundation pile foundation detection device.
Background
The pile foundation is a main bearing part of the structure, the quality of the pile foundation is directly related to the applicable safety and durability of the structure, however, the pile foundation is a hidden engineering, and the quality evaluation and judgment of the pile foundation are required to be carried out by a professional detection means; pile foundation engineering is classified into various types, and is generally classified into friction piles, end bearing piles and friction end bearing piles according to bearing capacity; the main functions of the low strain reflected wave method (namely the low strain detection method) are to check the structural integrity of the pile body, such as pile body defect position judgment, construction pile length correction, qualitative estimation of concrete strength grade and the like, the pile top is knocked by a hand hammer or an exciting hammer and a force rod, stress waves generated by the method propagate downwards along the pile body at wave speed, reflected wave signals are received by an acceleration or speed sensor arranged on the pile top, an acceleration time-course curve is obtained after signal amplification and other treatments are carried out by a pile meter, the impedance change position or the correction pile length can be judged according to the curve form characteristics, and the strength grade of the concrete is estimated according to the average wave speed; in the prior art, the pile foundation stress wave detection technology is mostly dependent on manual knocking detection, and the direction angle detection is changeable, so that the detection mode has low efficiency, and the uniformity and accuracy of the result are not high;
in view of the above, the chinese patent publication No. CN217811259U discloses a device structure of in-hole stress wave reflection method for detecting the integrity of existing pile foundations, which is used for detecting piles having a bearing platform and an upper structure above; the bearing platform is positioned at the top of the pile, the upper structure is positioned at the top of the bearing platform, the upper structure or the bearing platform is provided with an inclined hole, and the inclined hole extends from the side surface of the upper structure or the bearing platform to the top of the pile; the in-hole stress wave reflection method device structure for detecting the integrity of the existing pile foundation comprises the following steps: the sensor is placed at the top of the pile through the inclined hole; the excitation surface is positioned on the outer side surface of the upper structure and used as an excitation hammer acting knocking surface, and stress waves transmitted along the longitudinal direction of the pile can be generated under the action of the excitation hammer; the sensor is used for receiving reflected waves of the detection waves reflected back in the pile, and can be arranged between the top of the pile and the bearing platform, and an excitation surface is arranged on the outer surface of the upper structure, so that the pile foundation with the upper structures such as the bearing platform, the pier column and the like at the upper part can be detected by adopting a low strain detection method;
however, in the utility model, the detection mode is that the stress wave obtained by excitation and knocking is matched with the sensor to detect the pile foundation, but the use scene is greatly limited, the detection efficiency is poor, and the utility model is difficult to adapt to the rapid and effective detection of the conventional pile foundation.
Disclosure of Invention
The utility model aims to provide a basic pile foundation detection device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the foundation pile foundation detection device comprises a mounting top plate, wherein an excitation mechanism is arranged at the upper end of the mounting top plate, and a sensing detection mechanism and a clamping unloading mechanism are arranged at the lower end of the mounting top plate;
the excitation mechanism can automatically generate stress wave excitation knocking, the sensing detection mechanism can adjust the detection angle and the detection position on the pile foundation, and the clamping unloading mechanism can fix the detection state position of the pile foundation stress wave.
The excitation mechanism comprises a knocking working cylinder rotatably connected to the upper end of the mounting top plate, the knocking working cylinder penetrates through the mounting top plate, and a knocking power cavity is arranged in the knocking working cylinder;
the knocking power cavity is internally and fixedly connected with a knocking electromagnet, the lower end surface of the knocking electromagnet is fixedly connected with a knocking spring and the knocking electromagnet, and the knocking electromagnet and the knocking spring are mutually matched;
the knocking device is characterized in that the lower end of the knocking spring is fixedly connected with a knocking connecting shaft, the lower end wall of the knocking power cavity is connected with the knocking connecting shaft in a sliding mode, the knocking electromagnet and the knocking spring are both located in the knocking power cavity, and the lower end face of the knocking connecting shaft is fixedly connected with a knocking bottom block.
The sensing detection mechanism comprises four uniformly distributed mounting side plates fixedly connected to the lower end face of the mounting top plate, and a sensing telescopic cylinder is fixedly connected to the lower ends of the four mounting side plates respectively;
each sensing telescopic cylinder left end all sliding connection has a sensing telescopic shaft, every sensing telescopic shaft left end face all fixedly connected with a sensing mounting panel, four the position of sensing mounting panel corresponds each other.
The clamping unloading mechanism comprises four clamping telescopic cylinders fixedly connected to the lower ends of the mounting side plates, the four clamping telescopic cylinders are located on the lower sides of the sensing telescopic cylinders, and the positions of the four clamping telescopic cylinders are corresponding to each other;
the left ends of the four clamping telescopic cylinders are all connected with a clamping telescopic shaft in a sliding mode, the left end faces of the four clamping telescopic shafts are all fixedly connected with clamping claws, and the four clamping claws are matched with each other.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the clamping telescopic cylinder, the mounting side plates, the mounting top plate, the clamping telescopic shaft and the clamping claw are arranged, so that the clamping telescopic shaft which drives the telescopic shaft to move in the clamping telescopic cylinder is driven to approach or be far away from the pile foundation under the action of the mounting side plates with different lengths, thereby completing clamping and unloading, improving the convenience of pile foundation stress wave detection clamping unloading work, improving the diversity of pile foundation detection forms and improving the shape adaptability of the pile foundation for detecting the stress wave;
through setting up the flexible section of thick bamboo of sensing, the flexible axle of sensing, the sensing mounting panel, strike the electro-magnet, strike the spring, strike the connecting axle and strike the bottom piece, can strike the connecting axle and drive behind the bottom piece and move down in the electro-magnet drive and strike the effect of spring and answer the position and repeatedly strike the pile foundation and produce the stress wave, and drive the stress wave sensor adjustment of installing on the sensing mounting panel at the flexible in-process of the flexible axle of sensing drive and detect the position, pile foundation stress wave detection work's reliability and automatic efficiency have been improved, pile foundation stress wave detection result's accuracy has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a right side view of the illustration of FIG. 2 in accordance with the present utility model;
FIG. 4 is a schematic top view of FIG. 2 in accordance with the present utility model;
FIG. 5 is a schematic cross-sectional view of A-A of FIG. 2 in accordance with the present utility model;
FIG. 6 is an enlarged partial schematic view of the sensor cartridge of FIG. 5 in accordance with the present utility model;
fig. 7 is an enlarged partial schematic view of the utility model at the cartridge of fig. 5.
In the figure: 11. an excitation mechanism; 12. a sensing detection mechanism; 13. clamping and unloading mechanisms; 15. installing a top plate; 16. knocking the working cylinder; 17. knocking the power cavity; 18. knocking an electromagnet; 19. knocking a spring; 20. knocking the connecting shaft; 21. knocking the bottom block; 22. installing a side plate; 23. a sensor mounting plate; 24. sensing a telescopic shaft; 25. sensing a telescopic cylinder; 26. clamping the telescopic cylinder; 27. clamping the telescopic shaft; 28. clamping jaws.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-7, the present utility model provides a technical solution: the foundation pile foundation detection device comprises a mounting top plate 15, wherein an excitation mechanism 11 is arranged at the upper end of the mounting top plate 15, and a sensing detection mechanism 12 and a clamping unloading mechanism 13 are arranged at the lower end of the mounting top plate 15;
the excitation mechanism 11 can automatically generate stress wave excitation knocking, the sensing detection mechanism 12 can adjust the detection angle and the detection position on the pile foundation, and the clamping unloading mechanism 13 can fix the detection state position of the stress wave of the pile foundation.
The excitation mechanism 11 comprises a knocking working cylinder 16 rotatably connected to the upper end of the mounting top plate 15, the knocking working cylinder 16 penetrates through the mounting top plate 15, and a knocking power cavity 17 is arranged in the knocking working cylinder 16;
a knocking electromagnet 18 is fixedly connected in the knocking power cavity 17, a knocking spring 19 and the knocking electromagnet 18 are fixedly connected to the lower end surface of the knocking electromagnet 18, and the knocking electromagnet 18 and the knocking spring 19 are matched with each other;
the lower end of the knocking spring 19 is fixedly connected with a knocking connecting shaft 20, the lower end wall of the knocking power cavity 17 is slidably connected with the knocking connecting shaft 20, the knocking electromagnet 18 and the knocking spring 19 are both positioned in the knocking power cavity 17, and the lower end surface of the knocking connecting shaft 20 is fixedly connected with a knocking bottom block 21.
The sensing detection mechanism 12 comprises four uniformly distributed mounting side plates 22 fixedly connected to the lower end face of the mounting top plate 15, and a sensing telescopic cylinder 25 is fixedly connected to the lower ends of the four mounting side plates 22 respectively;
the left end of each sensing telescopic cylinder 25 is slidably connected with a sensing telescopic shaft 24, the left end face of each sensing telescopic shaft 24 is fixedly connected with a sensing mounting plate 23, and the positions of the four sensing mounting plates 23 correspond to each other.
The clamping unloading mechanism 13 comprises four clamping telescopic cylinders 26 fixedly connected to the lower ends of the mounting side plates 22, the four clamping telescopic cylinders 26 are positioned on the lower sides of the sensing telescopic cylinders 25, and the positions of the four clamping telescopic cylinders 26 are corresponding to each other in height;
the left ends of the four clamping telescopic cylinders 26 are all connected with a clamping telescopic shaft 27 in a sliding mode, the left end faces of the four clamping telescopic shafts 27 are all fixedly connected with clamping claws 28, and the four clamping claws 28 are matched with each other.
Working principle:
when the hydraulic pile foundation detection device is used, firstly, a mounting top plate 15 with proper specification and size is selected according to the size and the exposed height of a pile foundation, then a mounting side plate 22 with proper length is mounted on the mounting top plate 15 according to the height of a detection table top, and then four sensing telescopic cylinders 25 and four clamping telescopic cylinders 26 are connected to an external hydraulic driving pipeline through pipelines;
when clamping and fixing, an external hydraulic driving pipeline is started to drive a clamping telescopic cylinder 26 to drive four clamping telescopic shafts 27 to approach to the pile foundation, so that the device is integrally clamped and fixed on the pile foundation under the action of four clamping claws 28, and then stress wave receiving sensors are arranged on four sensing mounting plates 23;
when pile foundation is detected in advance, a hydraulic driving pipeline is started to be connected to four sensing telescopic cylinders 25, and the sensing telescopic shafts 24 are driven to extend to the maximum distance, so that the sensing mounting plates 23 and stress wave receiving sensors arranged on the sensing mounting plates 23 are driven to stay at the distance closest to the knocking working cylinder 16, or the sensing telescopic cylinders 25 can be rotated on the mounting side plates 22 according to the difference of the detection range and the diameter of the pile foundation to adjust different detection positions;
when pile foundation stress waves are sensed, the knocking electromagnet 18 is electrically driven to knock the connecting shaft 20 to move downwards in the knocking power cavity 17, so that the surface of the pile foundation knocked by the knocking bottom block 21 is driven to generate stress waves, repeated knocking actions are kept under the assistance of the knocking spring 19, and the external hydraulic driving pipeline is started to drive the sensing telescopic shaft 24 to shrink in the sensing telescopic cylinder 25, so that four stress wave sensor principles with well-adjusted detection positions are driven to knock the working cylinder 16, stress wave signals generated by knocking the pile foundation by the knocking bottom block 21 are continuously detected, and the aim of pile foundation detection is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The foundation pile foundation detection device comprises a mounting top plate (15), and is characterized in that an excitation mechanism (11) is arranged at the upper end of the mounting top plate (15), and a sensing detection mechanism (12) and a clamping unloading mechanism (13) are arranged at the lower end of the mounting top plate (15);
the excitation mechanism (11) can automatically generate stress wave excitation knocking, the sensing detection mechanism (12) can adjust the detection angle and the detection position on the pile foundation, and the clamping unloading mechanism (13) can fix the detection state position of the pile foundation stress wave.
2. A foundation pile foundation detection device according to claim 1, characterized in that the excitation mechanism (11) comprises a knocking working cylinder (16) rotatably connected to the upper end of the mounting top plate (15), the knocking working cylinder (16) penetrates through the mounting top plate (15), and a knocking power cavity (17) is arranged in the knocking working cylinder (16).
3. The foundation pile foundation detection device according to claim 2, wherein a knocking electromagnet (18) is fixedly connected in the knocking power cavity (17), a knocking spring (19) and the knocking electromagnet (18) are fixedly connected to the lower end face of the knocking electromagnet (18), and the knocking electromagnet (18) and the knocking spring (19) are mutually matched.
4. A foundation pile foundation detection device according to claim 3, characterized in that the lower end of the knocking spring (19) is fixedly connected with a knocking connecting shaft (20), the lower end wall of the knocking power cavity (17) is slidably connected with the knocking connecting shaft (20), the knocking electromagnet (18) and the knocking spring (19) are both positioned in the knocking power cavity (17), and the lower end surface of the knocking connecting shaft (20) is fixedly connected with a knocking bottom block (21).
5. The foundation pile foundation detection device according to claim 1, wherein the sensing detection mechanism (12) comprises four uniformly distributed installation side plates (22) fixedly connected to the lower end face of the installation top plate (15), and a sensing telescopic cylinder (25) is fixedly connected to the lower ends of the four installation side plates (22).
6. The foundation pile foundation detection device according to claim 5, wherein a sensing telescopic shaft (24) is slidably connected to the left end of each sensing telescopic cylinder (25), a sensing mounting plate (23) is fixedly connected to the left end face of each sensing telescopic shaft (24), and the positions of the four sensing mounting plates (23) correspond to each other.
7. The foundation pile foundation detection device according to claim 5, wherein the clamping unloading mechanism (13) comprises four clamping telescopic cylinders (26) fixedly connected to the lower end of the mounting side plate (22), the four clamping telescopic cylinders (26) are all located on the lower side of the sensing telescopic cylinder (25), and the positions of the four clamping telescopic cylinders (26) are corresponding to each other in height.
8. The foundation pile foundation detection device according to claim 7, wherein the left ends of the four clamping telescopic cylinders (26) are respectively and slidably connected with a clamping telescopic shaft (27), the left end faces of the four clamping telescopic shafts (27) are respectively and fixedly connected with a clamping claw (28), and the four clamping claws (28) are mutually matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501767.7U CN219862998U (en) | 2023-03-15 | 2023-03-15 | Foundation pile foundation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320501767.7U CN219862998U (en) | 2023-03-15 | 2023-03-15 | Foundation pile foundation detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219862998U true CN219862998U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320501767.7U Active CN219862998U (en) | 2023-03-15 | 2023-03-15 | Foundation pile foundation detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219862998U (en) |
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- 2023-03-15 CN CN202320501767.7U patent/CN219862998U/en active Active
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