CN215906780U - Device for controlling verticality of prestressed concrete pipe pile - Google Patents
Device for controlling verticality of prestressed concrete pipe pile Download PDFInfo
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- CN215906780U CN215906780U CN202122014702.3U CN202122014702U CN215906780U CN 215906780 U CN215906780 U CN 215906780U CN 202122014702 U CN202122014702 U CN 202122014702U CN 215906780 U CN215906780 U CN 215906780U
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- prestressed concrete
- pipe pile
- concrete pipe
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- shaped plate
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- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 238000010276 construction Methods 0.000 description 5
- 101100537937 Caenorhabditis elegans arc-1 gene Proteins 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model discloses a device for controlling the verticality of a prestressed concrete pipe pile. The device has the advantages of reasonable design and good practicability, the four abutting plates are in sliding contact with the outer wall of the prestressed concrete pipe pile, the effect of positioning the moving direction of the prestressed concrete pipe pile can be achieved, the prestressed concrete pipe pile can be controlled to vertically move downwards and be inserted into underground soil, the deviation is not easy to occur, the verticality of the prestressed concrete pipe pile can be effectively controlled, whether the prestressed concrete pipe pile is inclined or not can be detected and judged at any time, whether the good verticality is kept or not can be realized, the verticality of the prestressed concrete pipe pile can be measured and judged after the prestressed concrete pipe pile is not required to be pressed down temporarily, the time and labor are saved, the operation steps are reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a device for controlling the verticality of a prestressed concrete pipe pile.
Background
The prestressed concrete pipe pile has the advantages of low construction cost, high bearing capacity, convenient construction and the like, and is widely applied to construction projects of industrial and civil buildings, railways, bridges, port wharfs and the like.
However, in the prior art, in the process of pressing the prestressed concrete pipe pile downward into the ground, usually, a worker determines the verticality of the prestressed concrete pipe pile by means of visual observation and experience, then in the process of pressing the prestressed concrete pipe pile, the prestressed concrete pipe pile needs to be temporarily stopped pressing each time the prestressed concrete pipe pile descends for a certain distance, then the verticality of the prestressed concrete pipe pile is measured by using a measuring device, the prestressed concrete pipe pile is continuously pressed after the measurement is finished, however, whether the verticality of the prestressed concrete pipe pile is qualified or not can not be accurately determined by means of visual observation and experience determination, errors exist, the construction quality can not be accurately ensured, and the prestressed concrete pipe pile temporarily stops pressing the prestressed concrete pipe pile each time the prestressed concrete pipe pile descends for a certain distance, then the verticality of the prestressed concrete pipe pile is measured by using the measuring device, the operation steps of workers are increased, working time is wasted, and working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a device for controlling the verticality of a prestressed concrete pipe pile, which solves the problems that workers judge the verticality of the prestressed concrete pipe pile by means of naked eye observation and experience, cannot accurately judge whether the verticality of the prestressed concrete pipe pile is qualified or not, have errors and cannot accurately guarantee the construction quality, and the verticality of the prestressed concrete pipe pile is temporarily stopped pressing the prestressed concrete pipe pile every time the prestressed concrete pipe pile descends for a certain distance, and then the verticality of the prestressed concrete pipe pile is measured by using measuring equipment, so that the operation steps of the workers are increased, the working time is wasted, and the working efficiency is reduced.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a device of control prestressed concrete tubular pile straightness that hangs down, including left arc and right arc, the equal fixed mounting in one side that left side arc and right arc kept away from each other has the connecting seat, the equal fixed mounting in bottom of two connecting seats has the support column, the equal fixed mounting in bottom of two support columns has the backup pad, the equal fixed mounting in one side that left side arc and right arc are close to each other has the axle sleeve, left arc and right arc are run through respectively to the one end that two axle sleeves were kept away from each other, all be provided with the determine module on two axle sleeves, equal fixed mounting has two screw thread sleeves on left side arc and the right arc, four screw thread sleeves are two bisymmetry settings, all be provided with locating component in four screw thread sleeves.
Preferably, the detection assembly comprises a sliding rod, a round ball and a spring, the sliding rod is slidably mounted in the shaft sleeve, two ends of the sliding rod extend out of the shaft sleeve, the round ball is fixedly mounted at one end of the sliding rod, the spring is sleeved on the sliding rod, one end of the spring is fixedly connected with the round ball, and one end, far away from the round ball, of the spring is fixedly connected with one end of the shaft sleeve.
Preferably, the outer wall of the sliding rod is provided with scale marks, and the side, away from each other, of the left arc-shaped plate and the right arc-shaped plate is fixedly provided with an L-shaped pointer.
Preferably, the positioning assembly comprises a screw rod, a supporting plate and a handle, the screw rod is installed in the threaded sleeve in a threaded mode, two ends of the screw rod extend out of the threaded sleeve, and the supporting plate and the handle are fixedly installed at two ends of the screw rod respectively.
Preferably, the equal fixed mounting in both sides of left side arc has left connecting plate, and the equal fixed mounting in both sides of right side arc has right connecting plate, and two left connecting plates are close to the equal fixed mounting in one side of corresponding right connecting plate and have the threaded rod, and the round hole has all been seted up to one side of two right connecting plates, and the one end of two threaded rods runs through corresponding round hole respectively, and equal threaded mounting has lock nut on two threaded rods, and two lock nut contact with corresponding right connecting plate respectively.
Preferably, four jacks which are symmetrically arranged in pairs are formed in the top of the supporting plate, and inserting rods penetrate through the four jacks in a movable mode.
(III) advantageous effects
The utility model provides a device for controlling the verticality of a prestressed concrete pipe pile. The method has the following beneficial effects:
(1) the device for controlling the verticality of the prestressed concrete pipe pile is characterized in that the left arc-shaped plate and the right arc-shaped plate are arranged on two sides of the prestressed concrete pipe pile, so that the two balls are contacted with the outer wall of the prestressed concrete pipe pile, one ends of the two threaded rods respectively penetrate through the round holes on the two right connecting plates, by extruding the left arc-shaped plate and the right arc-shaped plate to move towards the direction close to each other, the two balls push the corresponding slide rods to slide in the corresponding shaft sleeves, when the two springs are compressed to a proper state, the two support plates are fixed on the ground by utilizing the eight inserted rods, the positions of the left arc-shaped plate and the right arc-shaped plate can be preliminarily fixed, and then the two locking nuts are respectively screwed on the corresponding threaded rods, the positions of the left arc-shaped plate and the right arc-shaped plate can be further fixed, and the installation positions of the left arc-shaped plate and the right arc-shaped plate which can be packaged are stable.
(2) This device of control prestressed concrete tubular pile straightness that hangs down, through rotating four handles in proper order, adjust four to the board when all contacting with prestressed concrete tubular pile's outer wall, can impress prestressed concrete tubular pile underground gradually, through utilizing four outer wall sliding contact of supporting board and prestressed concrete tubular pile, play and carry out the effect of fixing a position to prestressed concrete tubular pile's moving direction, make prestressed concrete tubular pile can vertical move downwards and insert in the underground soil, be difficult for taking place the skew, thereby can effectual control prestressed concrete tubular pile's straightness that hangs down.
(3) This a control prestressed concrete tubular pile straightness's device hangs down, through the in-process of impressing prestressed concrete tubular pile into underground downwards, observe whether scale interval on two L type pointers point to corresponding scale mark respectively changes, perhaps whether the change of scale interval is in the within range value of regulation, thereby can detect at any time and judge whether prestressed concrete tubular pile takes place the slope, whether keep good straightness that hangs down, need not suspend to push down behind the prestressed concrete tubular pile, measure again and judge prestressed concrete tubular pile's the straightness that hangs down, time saving and labor saving, operating procedure has been reduced, and the work efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic top cross-sectional view of the left and right arcuate plates;
fig. 5 is an enlarged schematic view of a portion B in fig. 4.
In the figure: 1. a left arc-shaped plate; 2. a right arc-shaped plate; 3. a connecting seat; 4. a support pillar; 5. a support plate; 6. a shaft sleeve; 7. a slide bar; 8. a ball; 9. a spring; 10. scale lines; 11. an L-shaped pointer; 12. a threaded sleeve; 13. a screw rod; 14. a resisting plate; 15. a handle; 16. a left connecting plate; 17. a right connecting plate; 18. a threaded rod; 19. locking the nut; 20. and (4) inserting the rod.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a control prestressed concrete tubular pile hangs down straightness's device, includes left arc 1 and right arc 2, its characterized in that: the side, far away from each other, of each of the left arc-shaped plate 1 and the right arc-shaped plate 2 is fixedly provided with a connecting seat 3, the bottoms of the two connecting seats 3 are fixedly provided with supporting columns 4, the bottom ends of the two supporting columns 4 are fixedly provided with a supporting plate 5, the side, close to each other, of each of the left arc-shaped plate 1 and the right arc-shaped plate 2 is fixedly provided with a shaft sleeve 6, the end, far away from each other, of each of the two shaft sleeves 6 penetrates through the left arc-shaped plate 1 and the right arc-shaped plate 2 respectively, the two shaft sleeves 6 are provided with a detection assembly, in the process of pressing the prestressed concrete pipe pile into the ground, the verticality of the prestressed concrete pipe pile can be detected and judged at any time within a proper range, the left arc-shaped plate 1 and the right arc-shaped plate 2 are fixedly provided with two threaded sleeves 12, the four threaded sleeves 12 are symmetrically arranged in pairs, and positioning assemblies are arranged in the four threaded sleeves 12, through setting up locating component, in the in-process of pressing prestressed concrete tubular pile into ground, can keep the vertical downward movement of prestressed concrete tubular pile to insert the underground, and then can control the straightness that hangs down of prestressed concrete tubular pile.
In this embodiment, the detection subassembly includes slide bar 7, ball 8 and spring 9, slide bar 7 slidable mounting is in axle sleeve 6, slide bar 7's both ends all extend to outside axle sleeve 6, ball 8 fixed mounting is in slide bar 7's one end, spring 9 cover is established on slide bar 7, spring 9's one end and ball 8 fixed connection, spring 9 keeps away from ball 8's one end and axle sleeve 6's one end fixed connection, contact through the outer wall that utilizes two balls 8 and prestressed concrete tubular pile, utilize the spring action of two springs 9, steerable slide bar 7 slides in axle sleeve 6, two balls 8 are stainless steel metal material and make, and the surface of two balls 8 is handled more smoothly through polishing process.
In this embodiment, be provided with scale mark 10 on the outer wall of slide bar 7, the equal fixed mounting in one side that left arc 1 and right arc 2 kept away from each other has L type pointer 11, through setting up scale mark 10 and L type pointer 11, is convenient for judge whether slide bar 7 takes place to slide and can measure out the gliding distance of slide bar 7 in axle sleeve 6, and then judges whether the straightness that hangs down of prestressed concrete tubular pile changes.
In this embodiment, the positioning assembly includes a screw rod 13, a resisting plate 14 and a handle 15, the screw rod 13 is installed in the threaded sleeve 12 in a threaded manner, two ends of the screw rod 13 all extend out of the threaded sleeve 12, the resisting plate 14 and the handle 15 are respectively and fixedly installed at two ends of the screw rod 13, the screw rod 13 and the bottom plate 14 can be controlled to rotate and move by rotating the handle 15, the resisting plate 14 is further utilized to contact with the outer wall of the prestressed concrete pipe pile, in the process of pressing the prestressed concrete pipe pile into the ground, the effect of positioning the moving direction of the prestressed concrete pipe pile is achieved, the prestressed concrete pipe pile can be vertically inserted into the underground soil downwards, the resisting plate 14 is made of a stainless steel metal material, and the outer surface of the resisting plate 14 is processed by a polishing process to be smooth.
In this embodiment, the equal fixed mounting in both sides of left side arc 1 has left connecting plate 16, the equal fixed mounting in both sides of right side arc 2 has right connecting plate 17, the equal fixed mounting in one side that two left connecting plates 16 are close to corresponding right connecting plate 17 has threaded rod 18, the round hole has all been seted up to one side of two right connecting plates 17, corresponding round hole is run through respectively to the one end of two threaded rods 18, equal threaded mounting has lock nut 19 on two threaded rods 18, two lock nut 19 contact with corresponding right connecting plate 17 respectively, through the threaded connection cooperation that sets up two threaded rods 18 and two lock nut 19, be convenient for connect left side arc 1 and right arc 2 fixedly.
In this embodiment, four jacks that are two bisymmetry settings are seted up at the top of backup pad 5, and the equal activity runs through in four jacks has inserted bar 20, through setting up inserted bar 20, is convenient for fix backup pad 5 subaerial.
When the device is used, the prestressed concrete pipe pile is hoisted to a position to be constructed and kept in a vertical state, the bottom end of the prestressed concrete pipe pile is contacted with the ground, then the left arc-shaped plate 1 and the right arc-shaped plate 2 are placed on two sides of the prestressed concrete pipe pile, the two round balls 8 are contacted with the outer wall of the prestressed concrete pipe pile, one ends of the two threaded rods 18 respectively penetrate through the round holes on the two right connecting plates 17, the two supporting plates 5 are contacted with the ground, the two round balls 8 push the corresponding sliding rods 7 to slide in the corresponding shaft sleeves 6 by extruding the left arc-shaped plate 1 and the right arc-shaped plate 2 to move towards the mutually approaching direction, the two springs 9 are compressed to generate elastic force, when the two springs 9 are compressed to a proper state, the eight inserting rods 20 sequentially penetrate through the inserting holes on the two supporting plates 5 and are inserted into the ground, the two supporting plates 5 can be fixed on the ground, the positions of the left arc-shaped plate 1 and the right arc-shaped plate 2 can be preliminarily fixed, then the two locking nuts 19 are respectively screwed on the corresponding threaded rods 18, the positions of the left arc-shaped plate 1 and the right arc-shaped plate 2 can be further fixed, further the installation positions of the left arc-shaped plate 1 and the right arc-shaped plate 2 are stable, after the left arc-shaped plate 1 and the right arc-shaped plate 2 are fixed, at the moment, two L-shaped pointers 11 are respectively pointed to scale values on the corresponding scale marks 10 and recorded, then the four handles 15 are sequentially rotated, the corresponding screw rods 13 and the corresponding resisting plates 14 are driven by the handles 15 to rotate and move towards the direction close to the prestressed concrete pipe pile, when the four resisting plates 14 are adjusted to be in contact with the outer wall of the prestressed concrete pipe pile, the vertical downward pressure can be applied to the prestressed concrete pipe pile, the prestressed concrete pipe pile is gradually pressed into the ground, the prestressed concrete pipe pile is positioned by utilizing the four abutting plates 14 to be in sliding contact with the outer wall of the prestressed concrete pipe pile in the process that the prestressed concrete pipe pile is pressed downwards, so that the prestressed concrete pipe pile can vertically downwards move and be inserted into underground soil and is not easy to deviate, the verticality of the prestressed concrete pipe pile can be effectively controlled, the scale values of the two L-shaped pointers 11 respectively pointing to the corresponding scale marks 10 can be observed at any time in the process that the prestressed concrete pipe pile is pressed downwards into the ground, if the scale values of the two L-shaped pointers 11 respectively pointing to are not changed, the verticality of the prestressed concrete pipe pile is qualified, if the scale values of the two L-shaped pointers 11 respectively pointing to are changed, the change of the two scale marks is larger than the specified range, the pipe pile is inclined and the verticality is unqualified, so that a worker can timely adjust the prestressed concrete pipe pile, detect and judge whether the prestressed concrete pipe pile is inclined or not at any time and keep good verticality or not in the process of pressing the prestressed concrete pipe pile into the ground, measure and judge the verticality of the prestressed concrete pipe pile after the prestressed concrete pipe pile is not pressed temporarily, time and labor are saved, operation steps are reduced, and the working efficiency is improved.
To sum up, can obtain, this device of control prestressed concrete tubular pile straightness that hangs down, through utilizing the outer wall sliding contact of four buttresses 14 and prestressed concrete tubular pile, can play the effect of fixing a position the moving direction of prestressed concrete tubular pile, can control the prestressed concrete tubular pile vertical downward movement insert in the underground soil, be difficult for taking place the skew, can the effectual straightness that hangs down of control prestressed concrete tubular pile, and the prestressed concrete tubular pile pushes the in-process in ground downwards, can detect and judge whether the prestressed concrete tubular pile takes place the slope at any time, whether keep good straightness that hangs down, need not pause to push down behind the prestressed concrete tubular pile, measure again and judge the straightness that hangs down of prestressed concrete tubular pile, time saving and labor saving, the operating procedure has been reduced, and then work efficiency has been improved.
Claims (6)
1. The utility model provides a control prestressed concrete tubular pile hangs down straightness's device, includes left arc (1) and right arc (2), its characterized in that: the side, far away from each other, of the left arc-shaped plate (1) and the right arc-shaped plate (2) is fixedly provided with a connecting seat (3), the bottoms of the two connecting seats (3) are fixedly provided with supporting columns (4), the bottom ends of the two supporting columns (4) are fixedly provided with supporting plates (5), the side, close to each other, of the left arc-shaped plate (1) and the right arc-shaped plate (2) are fixedly provided with shaft sleeves (6), one ends, far away from each other, of the two shaft sleeves (6) respectively penetrate through the left arc-shaped plate (1) and the right arc-shaped plate (2), the two shaft sleeves (6) are respectively provided with a detection assembly, the left arc plate (1) and the right arc plate (2) are fixedly provided with two threaded sleeves (12), four threaded sleeves (12) are symmetrically arranged in pairs, and four positioning assemblies are arranged in the threaded sleeves (12).
2. The device for controlling the verticality of the prestressed concrete pipe pile according to claim 1, is characterized in that: the detection assembly comprises a sliding rod (7), a ball (8) and a spring (9), the sliding rod (7) is slidably mounted in the shaft sleeve (6), the two ends of the sliding rod (7) extend to the outside of the shaft sleeve (6), the ball (8) is fixedly mounted at one end of the sliding rod (7), the spring (9) is sleeved on the sliding rod (7), one end of the spring (9) is fixedly connected with the ball (8), one end of the spring (9) far away from the ball (8) is fixedly connected with one end of the shaft sleeve (6).
3. The device for controlling the verticality of the prestressed concrete pipe pile according to claim 2, is characterized in that: the outer wall of the sliding rod (7) is provided with scale marks (10), and an L-shaped pointer (11) is fixedly mounted on one side, far away from the left arc-shaped plate (1) and the right arc-shaped plate (2), of the left arc-shaped plate and the right arc-shaped plate.
4. The device for controlling the verticality of the prestressed concrete pipe pile according to claim 1, is characterized in that: the positioning assembly comprises a screw rod (13), a resisting plate (14) and a handle (15), the screw rod (13) is installed in the threaded sleeve (12) in a threaded mode, two ends of the screw rod (13) extend out of the threaded sleeve (12), and the resisting plate (14) and the handle (15) are fixedly installed at two ends of the screw rod (13) respectively.
5. The device for controlling the verticality of the prestressed concrete pipe pile according to claim 1, is characterized in that: the equal fixed mounting in both sides of left side arc (1) has left connecting plate (16), the equal fixed mounting in both sides of right side arc (2) has right connecting plate (17), two left side connecting plate (16) are close to correspondingly the equal fixed mounting in one side of right side connecting plate (17) has threaded rod (18), two the round hole has all been seted up to one side of right side connecting plate (17), two the one end of threaded rod (18) runs through corresponding respectively the round hole, two equal threaded mounting has lock nut (19), two on threaded rod (18) lock nut (19) respectively with corresponding right side connecting plate (17) contact.
6. The device for controlling the verticality of the prestressed concrete pipe pile according to claim 1, is characterized in that: four jacks which are symmetrically arranged in pairs are formed in the top of the supporting plate (5), and inserting rods (20) penetrate through the four jacks in a movable mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014702.3U CN215906780U (en) | 2021-08-25 | 2021-08-25 | Device for controlling verticality of prestressed concrete pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122014702.3U CN215906780U (en) | 2021-08-25 | 2021-08-25 | Device for controlling verticality of prestressed concrete pipe pile |
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| Publication Number | Publication Date |
|---|---|
| CN215906780U true CN215906780U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122014702.3U Expired - Fee Related CN215906780U (en) | 2021-08-25 | 2021-08-25 | Device for controlling verticality of prestressed concrete pipe pile |
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| CN (1) | CN215906780U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198732A (en) * | 2022-08-28 | 2022-10-18 | 中国建筑第二工程局有限公司 | Support arrangement for prestressed concrete tubular pile |
| CN115450205A (en) * | 2022-09-24 | 2022-12-09 | 贾龙国 | Construction structure and construction process for inserting prestressed pipe pile into triaxial mixing pile |
| CN115574686A (en) * | 2022-12-12 | 2023-01-06 | 山东建筑大学 | Device and method for monitoring deflection displacement of adjacent pile body in pipe pile construction process |
| CN116104069A (en) * | 2023-04-13 | 2023-05-12 | 青岛金源盛工程检测有限公司 | Building foundation bearing capacity detection equipment and detection method |
| CN118729930A (en) * | 2024-09-04 | 2024-10-01 | 江苏神禹港务工程有限公司 | PHC tubular pile straightness detection device that hangs down |
-
2021
- 2021-08-25 CN CN202122014702.3U patent/CN215906780U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198732A (en) * | 2022-08-28 | 2022-10-18 | 中国建筑第二工程局有限公司 | Support arrangement for prestressed concrete tubular pile |
| CN115198732B (en) * | 2022-08-28 | 2023-08-04 | 中国建筑第二工程局有限公司 | Supporting device for prestressed concrete pipe pile |
| CN115450205A (en) * | 2022-09-24 | 2022-12-09 | 贾龙国 | Construction structure and construction process for inserting prestressed pipe pile into triaxial mixing pile |
| CN115450205B (en) * | 2022-09-24 | 2024-01-26 | 贾龙国 | Construction structure and construction process for inserting pre-stress pipe pile into triaxial stirring pile |
| CN115574686A (en) * | 2022-12-12 | 2023-01-06 | 山东建筑大学 | Device and method for monitoring deflection displacement of adjacent pile body in pipe pile construction process |
| CN116104069A (en) * | 2023-04-13 | 2023-05-12 | 青岛金源盛工程检测有限公司 | Building foundation bearing capacity detection equipment and detection method |
| CN118729930A (en) * | 2024-09-04 | 2024-10-01 | 江苏神禹港务工程有限公司 | PHC tubular pile straightness detection device that hangs down |
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Granted publication date: 20220225 |