LU502145B1 - Monitoring and alarm device for construction sag of high pier formwork platform - Google Patents
Monitoring and alarm device for construction sag of high pier formwork platform Download PDFInfo
- Publication number
- LU502145B1 LU502145B1 LU502145A LU502145A LU502145B1 LU 502145 B1 LU502145 B1 LU 502145B1 LU 502145 A LU502145 A LU 502145A LU 502145 A LU502145 A LU 502145A LU 502145 B1 LU502145 B1 LU 502145B1
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- monitoring
- high pier
- rod
- vertical
- assembly
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a monitoring and alarm device for construction sag of high pier formwork platform, comprising: a monitoring conical sleeve frame is fixedly installed on the bottom surface of the high pier construction platform, the calibration assembly is located vertically below a heavy hammer reference assembly, the heavy hammer reference assembly is movably sleeved on the inner side of the monitoring conical sleeve frame, and the monitoring conical sleeve frame comprises a fixed substrate and a conical sleeve frame and a plurality of magnetic sensing monitoring assemblies. According to the present invention, the structure of the heavy hammer reference assembly and the calibration assembly is additionally arranged on the bottom surface of the high pier construction platform, so that the heavy hammer reference assembly still keeps the drooping opposite direction of the calibration assembly after the high pier construction platform inclines, and the magnetic induction effect is generated by the relative movement between the moving sleeve rod, so as to sense the slight inclination offset of the high pier construction platform and the monitoring conical sleeve frame, so as to give an alarm and prompt the construction personnel in time.
Description
BL-5506 LU502145
BACKGROUND Field of Invention The present invention relates to the technical field of road bridge engineering construction, in particular relates to a monitoring and alarm device for construction sag of high pier formwork platform.
Background of the Invention For the construction of the high pier cover beam of the bridge in the mountains and the river valley regions, the floor stand cannot be used due to the terrain and geology of the bridge location, the pin rod type, hoop type or bracket type support structure can be used. The pin rod method needs to reserve a hole through the pier column, concrete filling is adopted in the later period, the quality of the filled concrete is difficult to guarantee, and the bending effect of the circular section of the pin bar is poor and the bearing capacity is not high. When the hoop method is adopted, the value of the friction coefficient between the hoop and the pier column is difficult to master, the hoop torsion is prone to occurring during construction, the high pier formwork platform is deflected and 1
BL-5506 LU502145 inclined in the construction process, the overall structural strength of the high pier formwork platform is seriously influenced, and the deviation of the construction sag is likely to influence the high pier construction precision.
At present, the construction sag of the high pier formwork platform 1s mainly monitored through periodic measurement of construction personnel, observation is carried out through the measuring instrument, which is cumbersome to operate and requires a large number of personnel to make regular measurement, and during actual use, the high pier formwork platform construction personnel cannot know the inclined state of the high pier formwork platform in time due to the long interval between the regular measurement, and there is no real-time alarm structure, due to the verticality and inclination of the formwork platform, the judgment error of the construction personnel can easily lead to the construction error of high pier, which leads to serious consequences. In view of this, this paper studies and improves the existing problems, and provides a monitoring and alarm device for construction sag of high pier formwork platform, so as to solve the existing problems of no automatic monitoring and real-time alarm.
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SUMMARY The invention aims to solve one of the technical problems existing in the prior art or related technologies. Therefore, the technical scheme adopted by the invention is as follows: a monitoring and alarm device for construction sag of high pier formwork platform, comprising: a high pier construction platform, a monitoring conical sleeve frame, a heavy hammer reference assembly and a calibration assembly fixed on the ground, wherein the monitoring conical sleeve frame is fixedly installed on the bottom surface of the high pier construction platform, the calibration assembly is located vertically below the heavy hammer reference assembly, and the heavy hammer reference assembly is movably sleeved on the inner side of the monitoring conical sleeve frame; the monitoring conical sleeve frame comprises a fixed substrate and a conical sleeve frame and a plurality of magnetic induction monitoring assemblies, wherein the top surface of the conical sleeve frame 1s fixedly welded to the bottom surface of the fixed substrate and fixed to the bottom surface of the high pier construction platform by means of the fixed substrate, the heavy hammer reference assembly comprises a ball seat, a heavy vertical sleeve seat, a reference vertical rod and a laser generating end, one end of the magnetic induction monitoring assembly is fixed to the bottom surface of the fixed substrate and the other end is movably connected to the surface of the vertical 3
BL-5506 LU502145 sleeve seat, the reference vertical rod is sleeved on the inner side of the heavy vertical sleeve seat, the ball seat is fixed to the bottom surface of the fixed substrate, and the end of the laser generating end faces the surface of the calibration assembly and 1s fixed to the bottom end of the reference vertical rod; the calibration assembly comprises a calibration base and a light receiving sensor, the light receiving sensor is fixedly mounted on the surface of the calibration base, and the laser generating end and the light receiving sensor are located on the same vertical line.
The beneficial effects of the invention are as follows:
1.The structure of the heavy hammer reference assembly and the calibration assembly is additionally arranged on the bottom surface of the high pier construction platform, so that the heavy hammer reference assembly still keeps the drooping opposite direction of the calibration assembly after the high pier construction platform inclines, and the magnetic induction effect is generated by the relative movement between the vertical static rod and the moving sleeve rod to sense the slight inclination deviation of the high pier construction platform and the monitoring conical sleeve frame, so as to give an alarm and prompt the construction personnel in time.
2. By adopting the Hall sensor structure, multiple sides of the Hall sensors are energized after the relative deviation of the monitoring conical sleeve frame and the weight reference assembly, and the magnetic 4
BL-5506 LU502145 core is close to or far away from the end of the Hall sensor to generate voltage output, and the voltage is proportional to the displacement of the vertical static pole, so as to accurately judge the sag deviation of the high pier construction platform and the monitoring conical sleeve frame, and assist personnel in leveling the template platform at the later stage.
3. By adopting the free heavy vertical structure, the gravity sag of the heavy hammer reference assembly is used to calibrate the reference structure of the sag, the heavy hammer reference assembly maintains the high degree of freedom of the heavy hammer reference assembly according to the gravity free sag through the ball seat and the heavy vertical sleeve seat, so as to avoid synchronous inclination offset with the monitoring conical sleeve frame and the high pier construction platform, moreover, the laser calibration of the laser generating end and the light receiving sensor keeps the sag monitoring of the measuring mechanism, so as to avoid the false alarm of the system caused by the inclination of the benchmark vertical rod, and improve the alarm accuracy of equipment.
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BL-5506 LU502145
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 1s a schematic diagram of an overall structure; Fig. 2 is a schematic structural diagram of a monitoring conical sleeve frame and a heavy hammer reference assembly; Fig. 3 is a schematic diagram of an installation structure of a heavy hammer reference assembly; Fig. 4 is a schematic diagram of the connection structure of the vertical sleeve seat and the magnetic induction monitoring assembly; Fig. 5 1s the schematic diagram of the support structure of the reference vertical rod; Fig. 6 is a schematic structural diagram of a magnetic induction sensing monitoring assembly; FIG. 7 1s a schematic structural diagram of a calibration assembly. Description of the figures: 100, high pier construction platform; 200, monitoring conical sleeve frame; 210, fixed substrate; 220, conical sleeve frame; 230, magnetic induction monitoring assembly; 231, moving sleeve rod; 232, vertical static rod; 233, electromagnetic coil; 234, magnetic core; 235, Hall sensor; 300, heavy hammer reference assembly; 310, ball seat; 320, vertical sleeve seat; 330, reference vertical rod; 340, laser generating end; 331, ball head rod; 332, abutting ball head; 333, suspension sleeve ball; 6
BL-5506 LU502145 400, calibration assembly; 410, calibration base; 420, light receiving sensor.
DETAILED DESCRIPTION OF THE EMBODIMENTS The monitoring and alarm device for construction sag of high pier formwork platform provided by some embodiments of the present invention is described below with reference to the accompanying drawings. As shown in Fig.l to 7, the monitoring and alarm device for construction sag of high pier formwork platform provided by the present invention, comprising: a high pier construction platform 100, a monitoring conical sleeve frame 200, a heavy hammer reference assembly 300 and a calibration assembly 400 fixed on the ground, wherein the monitoring conical sleeve frame 200 is fixedly installed on the bottom surface of the high pier construction platform 100, the calibration assembly 400 1s located vertically below the heavy hammer reference assembly 300, and the heavy hammer reference assembly 300 1s movably sleeved on the inner side of the monitoring conical sleeve frame 200; the monitoring conical sleeve frame 200 comprises a fixed substrate 210 and a conical sleeve frame 220 and a plurality of magnetic induction monitoring assemblies 230, wherein the top surface of the conical sleeve frame 220 is fixedly welded to the bottom surface of the fixed substrate 7
BL-5506 LU502145 210 and fixed to the bottom surface of the high pier construction platform 100 by means of the fixed substrate 210, the heavy hammer reference assembly 300 comprises a ball seat 310, a heavy vertical sleeve seat 320, a reference vertical rod 330 and a laser generating end 340, one end of the magnetic induction monitoring assembly 230 is fixed to the bottom surface of the fixed substrate 210 and the other end is movably connected to the surface of the vertical sleeve seat 320, the reference vertical rod 330 is sleeved on the inner side of the heavy vertical sleeve seat 320, the ball seat 310 is fixed to the bottom surface of the fixed substrate 210, and the end of the laser generating end 340 faces the surface of the calibration assembly 400 and is fixed to the bottom end of the reference vertical rod 330; the calibration assembly 400 comprises a calibration base 410 and a light receiving sensor 420, the light receiving sensor 420 is fixedly installed on the surface of the calibration base 410, and the laser generating end 340 and the light receiving sensor 420 are located on the same vertical line.
The reference vertical rod 330 comprises a ball head rod 331, an abutting ball head 332 and a suspension sleeve ball 333, the abutting ball head 332 and the suspension sleeve ball 333 are respectively fixedly sleeved at the top end and the middle portion of the ball head rod 331, the top surface of the ball abutting head 332 abuts against the surface of the 8
BL-5506 LU502145 ball seat 310, and the suspension sleeve ball 333 1s fixedly sleeved on the inner side of the vertical sleeve seat 320. Specifically, when the measuring mechanism inclines unexpectedly, the whole monitoring and alarm device cannot function after the reference vertical rod 330 inclines as the reference for sag monitoring, and the gravity sag of the heavy hammer reference assembly 300 is used for depending on the vertical proofreading reference structure.
The bottom end of the ball head rod 331 is provided with a limiting structure, the limiting structure is movably sleeved on the inner side of the conical sleeve frame 220, and there is a gap between the limiting structure and the inner side of the conical sleeve frame 220, and the limiting structure is spherical or disc-shaped, and if the deviation of the high pier construction platform 100 and the monitoring conical sleeve frame 200 is too large, the bottom end of the conical sleeve frame 220 is attached to the bottom end of the reference vertical rod 330, the reference vertical rod 330 moves synchronously along with the conical sleeve frame 220, and the light receiving sensor 420 cannot receive the optical electric signal of the laser generating end 340 so as to trigger the alarm synchronously.
The limiting structure is of a steel structure, and the mass of the limiting structure is greater than the sum of the mass of the ball head rod 331, the abutting ball head 332 and the suspension sleeve ball 333. 9
BL-5506 LU502145 Specifically, the bottom limit structure with large mass ensures the accuracy of the sag of the ball head rod 331, so as to improve the accuracy of the reference structure.
The end of the vertical static rod 232 is of a ball head structure, the surface of the heavy vertical sleeve seat 320 is provided with a ball head seat hole suitable for the ball head of the vertical static rod 232, and there are a plurality of the magnetic induction monitoring assemblies 230, which are distributed on the peripheral side of the heavy vertical sleeve seat 320 in a circumferential direction.
Specifically, the reference vertical rod 330 serves as a reference structure for monitoring the inclination of the high pier construction platform 100 and the monitoring conical sleeve frame 200, the heavy hammer reference assembly 300 maintains the high degree of freedom of the heavy hammer reference assembly 300 according to the gravity free sag through the ball seat 310 and the heavy vertical sleeve seat 320, so as to avoid synchronous inclination offset with the monitoring conical sleeve frame 200 and the high pier construction platform 100.
The magnetic induction monitoring assembly 230 comprises a moving sleeve rod 231, a vertical static rod 232, an electromagnetic coil 233 and a Hall sensor 235, one end of the vertical static rod 232 is fixedly connected with a magnetic core 234 located on the inner side of the moving sleeve rod 231, the electromagnetic coil 233 1s in a spiral shape 10
BL-5506 LU502145 and adheres to the inner side of the moving sleeve rod 231, and the Hall sensor 235 is fixedly installed at one end of the inner cavity of the moving sleeve rod 231.
Further, the input end of the electromagnetic coil 233 1s electrically connected to a current generator, and the magnetic core 234 is a yoke structure, so that the electromagnetic coil 233 and the magnetic core 234 are combined to form an electromagnet structure, and the magnetic force is easy to adjust and control, so as to avoid the impact of the natural decline of permanent magnet on the monitoring results. Specifically, when the fixed substrate 210 and the conical sleeve 220 are inclined, the vertical static rod 232 1s stationary, and the Hall sensor 235 moves close to or away from the magnetic core 234 with the fixed substrate 210 and the moving sleeve rod 231, the Hall sensor 235 senses the change of the magnetic field and outputs the voltage intensity according to the magnitude of displacement, so that the offset of the high pier construction platform 100 and the monitoring conical sleeve frame 200 1s reflected through the monitoring system, and an alarm is prompted. The output end of the Hall sensor 235 and an output end of the light receiving sensor 420 are electrically connected with a controller, the controller is of a PLC controller structure, the output end of the controller is in telecommunication connection with a display panel and an alarm 11
BL-5506 LU502145 prompting mechanism, and the alarm prompting mechanism is one or more of a buzzing alarm or a flashing light.
Specifically, the magnetic core 234 with magnetism 1s close to or far away from the end of the impact Hall sensor 235 to generate voltage output, and the voltage magnitude is directly proportional to the displacement of the vertical static rod 232, so as to accurately judge the sag offset of the high pier construction platform 100 and the monitoring cone 200, the laser calibration of the laser generating end 340 and the light receiving sensor 420 keep the sag monitoring of the measuring mechanism, so as to avoid the false alarm of the system caused by the inclination of the reference vertical rod 330, the PLC controller carries out alarm control according to the electrical signal input of Hall sensor 235 and light receiving sensor 420, and the output voltage of the hall sensor 235 reminds the construction personnel of the sag offset through the display panel.
The working principle and the using process of the invention are as follows: When the monitoring alarm device is used, the monitoring conical sleeve frame 200 and the heavy hammer reference assembly 300 are fixed to the bottom surface of the construction formwork platform, and the control circuit and the alarm system are connected to measure the sag of the calibration reference vertical bar 330, so that the reference vertical rod 12
BL-5506 LU502145
330 is in a free droop state, and the calibration assembly 400 1s arranged on the bottom surface of the right side of the heavy hammer reference assembly 300, so that the surface of the light receiving sensor 420 faces the output port of the laser generating end 340 and connected with the control circuit of the light sensor 420, when the measuring mechanism inclines unexpectedly, the laser generating end 340 and the light receiving sensor 420 cannot function after the reference vertical rod 330 inclines as the reference for sag monitoring, in order to avoid this situation, the laser generating end 340 and the light receiving sensor 420 are in daily use, when the reference vertical rod 330 is accidentally inclined and deflected, the port of the light receiving sensor 420 cannot receive the emission signal of the laser generating end 340, that is, the light receiving sensor 420 gives an alarm to inform the construction personnel the construction personnel to calibrate the reference vertical rod 330 in time to keep the free sag of the reference vertical rod 330;
In the free drooping of the reference vertical rod 330, the reference vertical rod 330 is used as the reference structure to monitor the inclination and sag offset of the high pier construction platform 100 and the monitoring conical sleeve frame 200, when the initial tilt sag deviation of the high pier construction platform 100 occurs, the monitoring conical sleeve frame 200 follows the high pier construction platform 100 to offset, and ball head rod 331 and the heavy vertical
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BL-5506 LU502145 sleeve seat 320 keep free sagging and stationary, when the fixed substrate 210 and the conical sleeve frame 220 are inclined, the vertical static rod 232 is stationary, while the hall sensor 235 moves close to or away from the magnetic core 234 follows the fixed substrate 210 and the moving sleeve rod 231, the hall sensor 235 senses the change of the magnetic field and outputs the corresponding voltage intensity according to the displacement, so as to respond to the offset of the high pier construction platform 100 and the monitoring conical sleeve frame 200 through the monitoring system and give an alarm; if the offset between the high pier construction platform 100 and the monitoring conical sleeve frame 200 is too large, the bottom end of the conical sleeve frame 220 attached to the bottom end of the reference vertical rod 330, and the reference vertical rod 330 offsets synchronously with the conical sleeve frame 220, the light receiving sensor 420 cannot receive the photoelectric signal of the laser generating end 340, so as to trigger the alarm synchronously.
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Claims (8)
1. A monitoring and alarm device for construction sag of high pier formwork platform, characterized by comprising: a high pier construction platform (100), a monitoring conical sleeve frame (200), a heavy hammer reference assembly (300) and a calibration assembly (400) fixed on the ground, wherein the monitoring conical sleeve frame (200) is fixedly installed on the bottom surface of the high pier construction platform (100), the calibration assembly (400) is located vertically below the heavy hammer reference assembly (300), and the heavy hammer reference assembly (300) is movably sleeved on the inner side of the monitoring conical sleeve frame (200); The monitoring conical sleeve frame (200) comprises a fixed substrate (210) and a conical sleeve frame (220) and a plurality of magnetic induction monitoring assemblies (230), wherein the top surface of the conical sleeve frame (220) is fixedly welded to the bottom surface of the fixed substrate (210) and fixed to the bottom surface of the high pier construction platform (100) by means of the fixed substrate (210), the heavy hammer reference assembly (300) comprises a ball seat (310), a heavy vertical sleeve seat (320), a reference vertical rod (330) and a laser generating end (340), one end of the magnetic induction monitoring assembly (230) is fixed to the bottom surface of the fixed substrate (210) and the other end is movably connected to the surface of the vertical 15
BL-5506 LU502145 sleeve seat (320), the reference vertical rod (330) is sleeved on the inner side of the heavy vertical sleeve seat (320), the ball seat (310) is fixed to the bottom surface of the fixed substrate (210), and the end of the laser generating end (340) faces the surface of the calibration assembly (400) and fixed to the bottom end of the reference vertical rod (330); The calibration assembly (400) comprises a calibration base (410) and a light receiving sensor (420), the light receiving sensor (420) 1s fixedly mounted on the surface of the calibration base (410), and the laser generating end (340) and the light receiving sensor (420) are located on the same vertical line.
2. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 1, characterized in that the reference vertical rod (330) comprises a ball head rod (331), an abutting ball head (332) and a suspension sleeve ball (333), the abutting ball head (332) and the suspension sleeve ball (333) are respectively fixedly sleeved at the top end and the middle portion of the ball head rod (331), the top surface of the ball abutting head (332) abuts against the surface of the ball seat (310), and the suspension sleeve ball (333) is fixedly sleeved on the inner side of the vertical sleeve seat (320).
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BL-5506 LU502145
3. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 2, characterized in that the bottom end of the ball head rod (331) is provided with a limiting structure, the limiting structure is movably sleeved on the inner side of the conical sleeve frame (220), and there is a gap between the limiting structure and the inner side of the conical sleeve frame (220), and the limiting structure is spherical or disc-shaped.
4. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 3, characterized in that the limiting structure is of a steel structure, and the mass of the limiting structure is greater than the sum of the mass of the ball head rod (331), the abutting ball head (332) and the suspension sleeve ball (333).
5. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 1, characterized in that the magnetic induction monitoring assembly (230) comprises a moving sleeve rod (231), a vertical static rod (232), an electromagnetic coil (233) and a Hall sensor (235), one end of the vertical static rod (232) is fixedly connected with a magnetic core (234) located on the inner side of the moving sleeve rod (231), the electromagnetic coil (233) is in a spiral shape and adheres to the inner side of the moving sleeve rod (231), and 17
BL-5506 LU502145 the Hall sensor (235) 1s fixedly installed at one end of the inner cavity of the moving sleeve rod (231).
6. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 5, characterized in that the end of the vertical static rod (232) is of a ball head structure, the surface of the heavy vertical sleeve seat (320) is provided with a ball head seat hole suitable for the ball head of the vertical static rod (232), and there are a plurality of the magnetic induction monitoring assemblies (230), which are distributed on the peripheral side of the heavy vertical sleeve seat (320) in a circumferential direction.
7. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 5, characterized in that an input end of the electromagnetic coil (233) is electrically connected to a current generator, and the magnetic core (234) is a yoke structure.
8. The monitoring and alarm device for construction sag of high pier formwork platform according to claim 5, characterized in that an output end of the Hall sensor (235) and an output end of the light receiving sensor (420) are electrically connected with a controller, the controller is of a PLC controller structure, the output end of the controller is in 18
BL-5506 LU502145 telecommunication connection with a display panel and an alarm prompting mechanism, and the alarm prompting mechanism is one or more of a buzzing alarm or a flashing light. 19
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111449052.3A CN114370001B (en) | 2021-12-01 | 2021-12-01 | High mound template platform construction sag monitoring alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU502145B1 true LU502145B1 (en) | 2022-11-24 |
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ID=81139363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU502145A LU502145B1 (en) | 2021-12-01 | 2022-05-23 | Monitoring and alarm device for construction sag of high pier formwork platform |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114370001B (en) |
| LU (1) | LU502145B1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832848B1 (en) * | 2007-06-01 | 2008-05-28 | 원용석 | Method for constructing pier and concrete permanent form applied to it |
| JP5244748B2 (en) * | 2009-09-10 | 2013-07-24 | 西日本旅客鉄道株式会社 | Temporary method of work stage in viaduct |
| CN205662835U (en) * | 2016-05-30 | 2016-10-26 | 中交一公局第五工程有限公司 | High mound roller die construction straightness autoalarm that hangs down |
| CN106192769B (en) * | 2016-09-06 | 2018-04-20 | 中铁二十四局集团南昌铁路工程有限公司 | High pier slding form operation verticality control device and its application method |
| CN112611369A (en) * | 2020-12-18 | 2021-04-06 | 中交一公局集团有限公司 | Simple measuring and controlling device for verticality of high pier |
| CN214666883U (en) * | 2021-06-10 | 2021-11-09 | 中铁大桥局上海工程有限公司 | Prefabricated stand template straightness detection device that hangs down of assembled bridge |
| CN113585094A (en) * | 2021-09-09 | 2021-11-02 | 中化学交通建设集团有限公司 | Mountain area superelevation mound pier stud straightness controlling means that hangs down |
-
2021
- 2021-12-01 CN CN202111449052.3A patent/CN114370001B/en active Active
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2022
- 2022-05-23 LU LU502145A patent/LU502145B1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CN114370001B (en) | 2024-04-05 |
| CN114370001A (en) | 2022-04-19 |
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| FG | Patent granted |
Effective date: 20221124 |