CN214740055U - High-precision verticality adjusting device for steel pipe column - Google Patents
High-precision verticality adjusting device for steel pipe column Download PDFInfo
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- CN214740055U CN214740055U CN202120345411.XU CN202120345411U CN214740055U CN 214740055 U CN214740055 U CN 214740055U CN 202120345411 U CN202120345411 U CN 202120345411U CN 214740055 U CN214740055 U CN 214740055U
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Abstract
The utility model discloses a steel pipe column high accuracy transfers device that hangs down, including transferring platform, steel pipe column and the detection module that hangs down, wherein, transfers platform that hangs down to include first platform and second platform, is equipped with first fine setting subassembly on the first platform, and first fine setting subassembly is around first through-hole setting; a second fine adjustment assembly is arranged on the second platform and surrounds the second through hole; the detection module is used for monitoring the perpendicularity of the steel pipe column and feeding back information to adjust the perpendicularity of the steel pipe column through the first fine adjustment assembly and the second fine adjustment assembly. Its advantage lies in, utilizes the detection module control to carry out the straightness control that hangs down to adjust through first fine setting subassembly and the second fine setting subassembly on first platform and the second platform, effectively realize steel-pipe column and fix a position installation, calibration fast, promote work efficiency by a wide margin, it is lower to constructor's professional literacy requirement, construction speed is fast, the time limit for a project is shorter.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a steel pipe column high accuracy is transferred and is hung down device.
Background
The reverse construction method is continuously popularized and popularized in the development of urban underground space. As a main stress component in the excavation stage of an underground space foundation pit, the key for smoothly implementing the reverse construction method is to realize high-quality construction of a large-bearing-capacity rotary excavating cast-in-place pile, wherein the verticality of a steel pipe column is a key and difficult point for ensuring the quality of a column body.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a device that hangs down is transferred to steel pipe column high accuracy.
The purpose of the utility model is realized by adopting the following technical scheme:
a high-precision verticality adjusting device for a steel pipe column, which comprises a verticality adjusting platform, the steel pipe column and a detection module, wherein,
the verticality adjusting platform comprises a first platform and a second platform, the first platform is parallel to a construction surface, and the second platform is positioned above the first platform and is parallel to the first platform; a first through hole is formed in the first platform, a second through hole is formed in the second platform, and the first through hole and the second through hole are arranged concentrically; a first fine tuning assembly is arranged on the first platform and surrounds the first through hole; a second fine adjustment assembly is arranged on the second platform and surrounds the second through hole;
the detection module is used for monitoring the perpendicularity of the steel pipe column and feeding back information to adjust the perpendicularity of the steel pipe column through the first fine adjustment assembly and the second fine adjustment assembly.
Preferably, the distance between the first platform and the second platform is greater than or equal to 1.5 m.
Preferably, the first platform and the second platform comprise a bracket keel and a steel plate, and the first platform and the second platform are fixed by welding through the bracket keel.
Preferably, the steel pipe column high-precision verticality adjusting device further comprises a plurality of steel rods, the steel rods are uniformly arranged at the edges of the first through hole and the second through hole in the circumferential direction, penetrate through the first through hole and the second through hole and are placed into a construction surface, and the steel rods are welded and fixed with the first platform and the second platform.
Preferably, the first fine adjustment assembly and the second fine adjustment assembly each comprise an adjusting screw rod, an adjusting bolt and a hydraulic jack, and the adjusting screw rod is aligned with the standard line on the steel pipe column.
Preferably, the detection module includes total powerstation and theodolite, first fine setting subassembly with the second fine setting subassembly with the total powerstation with the theodolite linkage, the total powerstation with the theodolite monitoring the straightness that hangs down of steel-pipe column then is through not equidirectional accommodate the lead screw finely tunes.
Preferably, the theodolite is the laser theodolite, four the theodolite sets up respectively on the four corners of second platform, it is relative the line of theodolite is perpendicular each other.
Preferably, the detection module further comprises a laser plummet.
Preferably, the steel pipe column high-precision verticality adjusting device further comprises a steel reinforcement cage, and the steel reinforcement cage penetrates through the first through hole and the second through hole after verticality adjustment and is arranged in a construction surface; the steel reinforcement cage is provided with a hook used for assisting in adjusting the steel pipe column in the process that the steel pipe column penetrates into the steel reinforcement cage.
Preferably, two double stirrups with adjustable intervals are arranged at the top of the reinforcement cage.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a steel pipe column high accuracy is transferred and is hung down device will transfer platform and detection module combination that hangs down, in the installation of steel pipe column, monitors the straightness that hangs down of steel pipe column, utilizes and transfers first fine setting subassembly and the second fine setting subassembly that hangs down on the platform to finely tune the steel pipe fitting, and detection module feeds back in real time, controls the adjustment size of first fine setting subassembly and second fine setting subassembly to realize the super high accuracy location installation of steel pipe column.
Drawings
Fig. 1 is a schematic structural view of a verticality adjusting platform and a steel pipe column according to an embodiment of the present invention;
fig. 2 is an installation schematic diagram of a steel pipe column according to an embodiment of the present invention.
In the figure: 10. adjusting a vertical platform; 11. a first platform; 12. a second platform; 13. a scaffold keel; 14. a steel plate; 15. a first through hole; 16. a second through hole; 17. adjusting the screw rod; 18. adjusting the bolt; 20. steel pipe columns; 30. a theodolite.
Detailed Description
The present invention will be described in greater detail hereinafter with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation, and in which, although specific embodiments of the invention have been described, the invention is not limited to these embodiments. The specific embodiments described are merely illustrative. The various embodiments may be combined with each other to form other embodiments not shown in the following description. The disclosure is also intended to cover alternatives, modifications, and equivalents. Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the disclosed technology to those of ordinary skill in the art. However, embodiments may be practiced without these specific details.
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 and fig. 2, the high-precision verticality adjusting device for a steel pipe column according to the embodiment of the present invention comprises a verticality adjusting platform 10, a steel pipe column 20 and a detection module, wherein,
the verticality adjusting platform 10 comprises a first platform 11 and a second platform 12, wherein the first platform 11 is parallel to a construction surface, and the second platform 12 is positioned above the first platform 11 and is parallel to the first platform 11; a first through hole 15 is formed in the first platform 11, a second through hole 16 is formed in the second platform 12, and the first through hole 15 and the second through hole 16 are concentrically arranged; a first fine tuning component is arranged on the first platform 11 and surrounds the first through hole 15; a second fine tuning assembly is arranged on the second platform 12 and surrounds the second through hole 16;
the detection module is used for detecting the levelness of the verticality adjusting platform 10 and monitoring the verticality of the steel pipe column 20 in real time, and feeding back information to adjust the verticality of the steel pipe column 20 through the first fine adjustment assembly and the second fine adjustment assembly.
The high-precision verticality adjusting device for the steel pipe column 20 provided by the embodiment of the utility model comprises a verticality adjusting platform 10 with a two-layer structure, and through performing upper and lower two-layer horizontal positioning and verticality monitoring on the steel pipe column 20, the verticality and horizontal elevation of the steel pipe column 20 are ensured to the maximum extent, and the construction quality of the steel pipe column 20 is ensured; the device easy operation, it is high-efficient convenient, utilize the detection module control to carry out the straightness control that hangs down to adjust through first fine setting subassembly and the second fine setting subassembly on first platform 11 and the second platform 12, effectively realize steel-pipe column 20 and fix a position installation, calibration fast, promote work efficiency by a wide margin, it is lower to constructor's professional literacy requirement, construction speed is fast, the time limit for a project is shorter.
In some implementation scenarios, as shown in fig. 2, the lower end of the steel pipe column 20 is embedded with a reinforced concrete cast-in-place pile 2.5m, and the positioning deviation of the bottom of the steel pipe column 20 is required to be less than 5 mm. Need hang the steel column into stake hole location installation after the bored concrete pile pours concrete, it is very big to pinpoint installation steel-pipe column 20 degree of difficulty in 12.1m depths underground, can adopt the utility model discloses a device carries out the installation of steel-pipe column 20, satisfies the positioning accuracy requirement.
As shown in fig. 1, the first platform 11 and the second platform 12 include a bracket keel 13 and a steel plate 14, the first platform 11 and the second platform 12 are fixed by welding through the bracket keel 13, the first platform 11 is enclosed into a square frame by the bracket keel 13, the steel plate 14 is located in the square frame and welded with the bracket keel 13, and the first through hole 15 is arranged at the center of the steel plate 14; the second platform 12 is also enclosed into a square frame by the support keels 13, the steel plate 14 is positioned in the square frame and welded with the support keels 13, and the second through hole 16 is formed in the center of the steel plate 14; the first platform 11 and the second platform 12 are horizontally arranged in parallel and are welded and fixed through a vertical bracket keel 13; based on the structure, the verticality adjusting platform 10 can be disassembled or assembled on site, convenience in the carrying process is improved, repeated utilization can be achieved, a green environment-friendly process is adopted, and construction cost is reduced. In one implementation scenario, the bracket keel 13 is an i-beam 20a and the steel plate 14 is a 35mm thick steel plate 14.
As shown in fig. 2, in an implementation scenario of underground reverse construction, the vertically supported steel pipe column 20 is generally long, and the alignment system using the device of this embodiment aligns the steel pipe column 20 by means of three-point positioning adjustment. The steel plates 14 of the first platform 11 and the second platform 12 are provided with a first fine adjustment assembly and a second fine adjustment assembly, the first fine adjustment assembly and the second fine adjustment assembly are used for positioning the steel pipe column 20 to coincide with the center of a pile position, after the verticality adjusting platform 10 is fixed on the ground and is stable, acting forces in four directions are formed by the first fine adjustment assembly, the second fine adjustment assembly and the steel pipe column 20, and the steel pipe column is adjusted and fixed by utilizing a lever principle. In the real-time adjustment process, instruments such as a theodolite 30 and a total station in the detection module are used for monitoring the inclination of the steel pipe column 20, after inclination measurement data are formed, the inclination measurement data are collected to a computer in the detection module on site at the first time, a calculation program is fixed, so that the inclination measurement verticality of the steel pipe column 20 is obtained, and after the inclination measurement verticality reaches the drawing design requirement (generally not less than 1/1000), fine adjustment of the steel pipe column 20 is stopped and the steel pipe column 20 is fixed. The steel pipe column 20 perpendicularity can be reasonably and effectively adjusted by concentrically positioning the middle points of the first through hole 15 and the second through hole 16. The method for adjusting the verticality of the steel pipe column 20 is high in construction precision and speed, the whole straightening frame system can be recycled, and the operation is simple and convenient.
Preferably, the detection module includes the laser vertical measuring instrument, and the laser vertical measuring instrument mainly used detects the straightness that hangs down of steel-pipe column 20 self, and specific using-way is: the method of fixed-point stay wire measurement at the positions of the two ends of the steel pipe column 20 and the body of the steel pipe column 20 at equal distances is adopted on site, the laser verticality meter is adopted to recheck the self verticality, and the deviation between the vertical distance between each position of the steel pipe column 20 and the column body and the control distance at the two sides is measured to determine whether the steel pipe column 20 is vertical.
After the self perpendicularity detection of the steel pipe column 20 is completed, the perpendicularity adjusting platform 10 needs to be installed, preferably, the upper portion of the operating platform needs to be at least 1.5m higher than the ground, a certain lever adjusting effect can be achieved, the distance between the first platform 11 and the second platform 12 is larger than or equal to 1.5m, and the using requirements of the steel pipe column 20 with the common length are met. Because the steel pipe column 20 is a cylinder and the elevation of the steel pipe column 20 is the positive and negative elevation of the ground, a civil engineering construction party needs to excavate a construction surface to the elevation of the steel pipe column 20 below-1.5 m, thereby ensuring the elevation of the top of the steel pipe column 20 and the convenience of hoisting. The construction surface needs to have certain ground bearing capacity, such as field hardening, local concrete pier foundation making, or roadbed box adding on the construction surface, so as to ensure certain bearing capacity.
The first fine adjustment assembly and the second fine adjustment assembly on the verticality adjusting platform 10 respectively comprise four groups of hydraulic jacks, each hydraulic jack comprises an adjusting screw rod 17 and an adjusting bolt 18, the four groups of hydraulic jacks are uniformly distributed around the first through hole 15 or the second through hole 16 and are arranged in a pairwise opposite mode, a central connecting line between the opposite adjusting screw rods 17 is perpendicular to a central connecting line of the other group, a cross point is overlapped with the center points of the first through hole 15 and the second through hole 16, and meanwhile after the positions of the first fine adjustment assembly and the second fine adjustment assembly are determined, during installation, a standard line on the steel pipe column 20 is controlled to be aligned with the position where the adjusting screw rods 17 are arranged, and initial positioning of the steel pipe column 20 is achieved.
Preferably, the device of the embodiment further comprises a plurality of steel rods, the plurality of steel rods are uniformly arranged at the edges of the first through hole 15 and the second through hole 16 in the circumferential direction, part of the steel rods passing through the first through hole 15 and the second through hole 16 is arranged in the construction surface, and the steel rods are welded and fixed with the first platform 11 and the second platform 12. The using mode of the steel chisel is as follows: after the verticality adjusting platform 10 is installed, centering is performed in a mode of combining a cross line and a plumb line, a central position of a pile hole is determined by the cross line, a cross steel bar is placed at the center of the second platform 12, the cross steel bar is aligned with the cross line by a plumb bob, the verticality adjusting platform 10 is required to be horizontally erected on an orifice of the pile hole, the center of a through hole of the verticality adjusting platform 10 is required to be matched with the central point of the pile, and the deviation is not more than 5 mm. After the verticality adjusting platform 10 is centered, 4 steel brazes with the length of 2M are respectively arranged at four corners of the platform and are arranged underground, and the steel brazes are fixedly welded with the first platform 11 and the second platform 12; it is noted that the number of drill rods is increased as appropriate depending on the particular circumstances at the site.
Preferably, the detection module includes a total station and a theodolite 30, the first fine tuning assembly and the second fine tuning assembly are linked with the total station and the theodolite 30, and the total station and the theodolite 30 monitor the perpendicularity of the steel pipe column 20 and then perform fine tuning through the adjusting screw rods 17 in different directions. The theodolite 30 is a laser theodolite, and the detection precision is higher.
The steel pipe column 20 is installed on site, the steel pipe column 20 is suspended below the steel pipe column 20, the construction precision requirement of the installation verticality of the steel pipe column 20 is high, the hoisting requirement is met in a reasonable radius, three hoisting points are arranged in the reasonable radius and are respectively located at the top end, the middle portion and the tail end of the steel pipe column 20, the top end of the steel pipe column 20 is a main hoisting point, and the middle portion and the tail end hoisting point are connected with an auxiliary hook of a crane to assist in hoisting. The steel pipe column 20 is lifted to be about 50cm away from the ground, the angle is changed until the steel pipe column becomes vertical, then the bottom end auxiliary crane is removed, the steel pipe column 20 is moved to the position of the pile hole, and the hole is slowly inserted by aligning the position of the pile hole. After the steel pipe column 20 reaches the elevation required by the design, the steel pipe column is fixed on the verticality adjusting platform 10, the central position of the steel pipe column 20 is determined by using a total station, then the central position of the steel pipe column 20 is roughly adjusted and positioned by moving a crane hook, and then the total station and the theodolite 30 in the first fine adjustment component, the second fine adjustment component and the detection module are used for fine adjustment.
In some embodiments, it is desirable to first place the reinforcement cage and then place the steel pipe string 20 into the reinforcement cage, and therefore, the apparatus of this embodiment also includes a reinforcement cage.
Adjusting verticality of the steel pipe column:
firstly, after the steel pipe column 20 is lowered to a designed elevation, the adjusting bolt 18 is screwed down, and the steel pipe column 20 is adjusted to the center of a pile hole in a mode of ensuring equal distance between the periphery of the steel pipe column 20 and the adjusting screw rod 17;
secondly, because the steel pipe column 20 and the reinforcement cage need to be effectively connected, the steel pipe column and the reinforcement cage are all placed to a designed elevation by means of the verticality adjusting platform 10, the reinforcement cage is placed to the designed elevation first, then the steel pipe column 20 is placed to the designed elevation, a hook is arranged on the reinforcement cage and used for connecting the steel pipe column 20, the steel pipe column 20 is ensured not to deviate, and meanwhile, the verticality adjusting and correcting process is assisted after the steel pipe column 20 enters the reinforcement cage;
and thirdly, detecting the verticality of the steel pipe column 20. The method comprises the steps of carrying out steel pipe perpendicularity testing by adopting a total station or a theodolite 30, monitoring whether a standard line on a steel pipe column 20 coincides with 4 lines set by a plumb through the instrument, adjusting through an adjusting screw rod 17 of a hydraulic jack of a first platform 11 and a second platform 12, and repeatedly adjusting through multiple groups of data to enable the perpendicularity of a steel column to reach an allowable deviation value.
And guiding the steel pipe column 20 to adjust the verticality of the rigid pipe column by adjusting the verticality adjusting platform 10 through graphic and text prompts until the verticality of the rigid pipe column meets the requirements. The verticality testing method is simple and feasible, and field operation can indirectly reflect the verticality change condition of the steel pipe column 20 in the hole in the verticality adjusting process in real time; if the detection result does not meet the design requirement, the detection personnel gives data and adjusts the direction, adjusts the hydraulic jack to carry out straightening adjustment, and finally fixes the rigid screw rod at the upper part of the straightening frame to meet the design requirement. The steel pipe column 20 after the verticality adjustment is fastened by a fixing screw on a positioning frame.
Preferably, 2 double stirrups are added at the top of the steel reinforcement cage, the distance between the double stirrups in the insertion range of the steel pipe column 20 is properly increased, and the situation that the normal adjustment of the steel reinforcement cage cannot be caused by the contact of a stud, a ring rib and the like on the steel pipe column 20 is prevented.
Preferably, after the steel reinforcement cage is vertically hung and placed in the hole, the total station rechecks the deviation between the hole site and the center of the pile casing again and marks are made; 4 guiding and deviation rectifying devices can be arranged on the inner side of the steel reinforcement cage, and after the steel pipe column 20 is inserted into the first through hole 15 and the second through hole 16 on the verticality adjusting platform 10, guiding and deviation rectifying guiding in the holes is started.
Preferably, as shown in fig. 1, the first platform 11 may be provided with four theodolites 30, the four theodolites 30 being respectively provided at four corners of the second platform 12, and the lines connecting the opposing theodolites 30 being perpendicular to each other. Observing the standard line on the steel pipe column 20 by using two laser theodolites which form a right angle with each other, and performing initial adjustment according to observation data when the steel pipe column 20 is inserted into the supporting pile by self weight for 3 m: according to the perpendicularity detection data on the first platform 11, the first fine adjustment assembly and the second fine adjustment assembly are utilized to adjust the verticality of the steel pipe column 20 until 1/1000 meeting the design requirements, then the vertical adjustment platform 10 and the steel pipe column 20 are divided into an upper layer and a lower layer which are fixed in a groined shape through channel steel, and meanwhile, short steel bars are used for reinforcing and fixing between a steel reinforcement cage and the steel pipe column 20.
After the steel pipe column 20 is installed, respectively pouring supporting pile underwater C35 and underwater C50 concrete in the steel pipe column 20, and backfilling in holes; after the concrete pouring is finished, the steel pipe column 20 is rechecked again, and the verticality is guaranteed to meet the requirement. The verticality adjusting platform 10 can be disassembled subsequently and reused for multiple times in other construction sites.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. The high-precision verticality adjusting device for the steel pipe column is characterized by comprising a verticality adjusting platform, the steel pipe column and a detection module, wherein,
the verticality adjusting platform comprises a first platform and a second platform, the first platform is parallel to a construction surface, and the second platform is positioned above the first platform and is parallel to the first platform; a first through hole is formed in the first platform, a second through hole is formed in the second platform, and the first through hole and the second through hole are arranged concentrically; a first fine tuning assembly is arranged on the first platform and surrounds the first through hole; a second fine adjustment assembly is arranged on the second platform and surrounds the second through hole;
the detection module is used for monitoring the perpendicularity of the steel pipe column and feeding back information to adjust the perpendicularity of the steel pipe column through the first fine adjustment assembly and the second fine adjustment assembly.
2. The steel pipe column high-precision verticality adjusting device of claim 1, wherein: the distance between the first platform and the second platform is larger than or equal to 1.5 m.
3. The steel pipe column high-precision verticality adjusting device according to claim 1 or 2, wherein: the first platform and the second platform comprise support keels and steel plates, and the first platform and the second platform are fixed through the support keels in a welded mode.
4. The steel pipe column high-precision verticality adjusting device according to claim 1 or 2, wherein: the steel rods are uniformly arranged at the edges of the first through hole and the second through hole in the circumferential direction, penetrate through the first through hole and the second through hole and are arranged in a construction surface, and the steel rods are welded and fixed with the first platform and the second platform.
5. The steel pipe column high-precision verticality adjusting device of claim 1, wherein: the first fine adjustment assembly and the second fine adjustment assembly respectively comprise an adjusting screw rod and an adjusting bolt, and the adjusting screw rods are aligned with the standard lines on the steel pipe column.
6. The steel pipe column high-precision verticality adjusting device according to claim 5, is characterized in that: the detection module comprises a total station and a theodolite, and the first fine adjustment assembly and the second fine adjustment assembly are linked with the total station and the theodolite.
7. The steel pipe column high-precision verticality adjusting device of claim 6, wherein: the theodolites are laser theodolites, and four theodolites are respectively arranged on four corners of the second platform and are opposite to each other, and connecting lines of the theodolites are perpendicular to each other.
8. The steel pipe column high-precision verticality adjusting device of claim 1, wherein: the detection module further comprises a laser plummet.
9. The steel pipe column high-precision verticality adjusting device of claim 1, wherein: the steel reinforcement cage is arranged in a construction surface after being adjusted to be vertical and penetrating through the first through hole and the second through hole; the steel reinforcement cage is provided with a hook used for assisting in adjusting the steel pipe column in the process that the steel pipe column penetrates into the steel reinforcement cage.
10. The steel pipe column high-precision verticality adjusting device of claim 9, wherein: and two double hooping ribs with adjustable intervals are arranged at the top of the reinforcement cage.
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| CN202120345411.XU CN214740055U (en) | 2021-02-05 | 2021-02-05 | High-precision verticality adjusting device for steel pipe column |
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| CN202120345411.XU CN214740055U (en) | 2021-02-05 | 2021-02-05 | High-precision verticality adjusting device for steel pipe column |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703862A (en) * | 2022-03-30 | 2022-07-05 | 中交(南京)建设有限公司 | Vertical and rapid positioning device for mounting latticed column and mounting and positioning method |
| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
| CN115961622A (en) * | 2023-03-16 | 2023-04-14 | 中铁十七局集团建筑工程有限公司 | Pile foundation steel column positioning and verticality adjusting device and construction method thereof |
| CN116772814A (en) * | 2023-08-18 | 2023-09-19 | 贵州省公路工程集团有限公司 | Steel reinforcement cage perpendicularity detection device and method with positioning and adjusting functions |
-
2021
- 2021-02-05 CN CN202120345411.XU patent/CN214740055U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114703862A (en) * | 2022-03-30 | 2022-07-05 | 中交(南京)建设有限公司 | Vertical and rapid positioning device for mounting latticed column and mounting and positioning method |
| CN114753511A (en) * | 2022-04-29 | 2022-07-15 | 上海泰大建筑科技有限公司 | Steel column building site concatenation installation locator |
| CN115961622A (en) * | 2023-03-16 | 2023-04-14 | 中铁十七局集团建筑工程有限公司 | Pile foundation steel column positioning and verticality adjusting device and construction method thereof |
| CN116772814A (en) * | 2023-08-18 | 2023-09-19 | 贵州省公路工程集团有限公司 | Steel reinforcement cage perpendicularity detection device and method with positioning and adjusting functions |
| CN116772814B (en) * | 2023-08-18 | 2023-10-17 | 贵州省公路工程集团有限公司 | Steel reinforcement cage perpendicularity detection device and method with positioning and adjusting functions |
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