CN217982547U - Rag bolt operating condition early warning device for tower assembling construction - Google Patents
Rag bolt operating condition early warning device for tower assembling construction Download PDFInfo
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- CN217982547U CN217982547U CN202221721277.XU CN202221721277U CN217982547U CN 217982547 U CN217982547 U CN 217982547U CN 202221721277 U CN202221721277 U CN 202221721277U CN 217982547 U CN217982547 U CN 217982547U
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Abstract
The utility model relates to an rag bolt operating condition early warning device is used in tower erection, the device includes pressure perception nut, data acquisition and transmission terminal, power module and host computer monitoring system, the quantity of pressure perception nut suits with the quantity of the rag bolt of transmission tower, and each place of rag bolt is gone up the cooperation and is connected with fastening nut, and a plurality of pressure perception nut is installed respectively on fastening nut and is connected with corresponding rag bolt cooperation to gather the pressure data of each place of rag bolt department, pressure perception nut is connected with data acquisition and transmission terminal, data acquisition and transmission terminal send the data of gathering to host computer monitoring system through wireless communication mode, host computer monitoring system monitors and early warning the operating condition of rag bolt according to the data of acquireing; and the power supply module supplies power to the data acquisition and transmission terminal. The device is favorable for improving the safety in the construction of the power transmission tower group.
Description
Technical Field
The utility model belongs to the technical field of transmission tower group tower, concretely relates to rag bolt operating condition early warning device for tower construction.
Background
The foundation bolts of the power transmission tower play a connecting role in fixing the power transmission tower and transferring the pull load on the power transmission tower to the foundation. For an angle steel tower, only 4 foundation bolts are connected on each tower foot, if the foundation bolts are not matched with the screw cap specifications due to human factors and the screw cap is not fastened in place in the tower assembling construction, the problems of screw cap loosening, slippage and the like occur, serious accidents such as falling of the power transmission tower and falling of people on the tower can be caused, and serious accidents such as tower damage and death caused by the fact that the foundation bolts are not fastened during the tower assembling construction in recent years in Yunnan and Jiangxi and the like. The state of the anchor bolts determines the safety of the transmission tower and the construction workers during the construction process. Therefore, how to monitor the operation and safety of the key small part has important significance for preventing tower collapse accidents in construction.
Disclosure of Invention
An object of the utility model is to provide a rag bolt operating condition early warning device is used in tower construction of group, the device do benefit to the security in the construction of the group tower of improvement transmission tower.
In order to achieve the above object, the utility model adopts the following technical scheme: the foundation bolt working state early warning device for tower assembling construction comprises pressure sensing nuts, a data acquisition and transmission terminal, a power supply module and an upper computer monitoring system, wherein the number of the pressure sensing nuts is matched with that of foundation bolts of a power transmission tower, each foundation bolt is connected with a fastening nut in a matched mode, a plurality of the pressure sensing nuts are respectively installed on the fastening nuts and are connected with the corresponding foundation bolts in a matched mode so as to acquire pressure data at each foundation bolt, the pressure sensing nuts are connected with the data acquisition and transmission terminal, the data acquisition and transmission terminal sends acquired data to the upper computer monitoring system in a wireless communication mode, and the upper computer monitoring system monitors and early warns the working state of the foundation bolts according to the acquired data; and the power supply module supplies power to the data acquisition and transmission terminal.
Further, the pressure perception nut comprises fixation nut and piezoelectric pressure sensor, the fixation nut middle part have with the internal thread of rag bolt adaptation, piezoelectric pressure sensor fixed connection is in the fixation nut lower part, piezoelectric pressure sensor middle part has the through-hole that is greater than the rag bolt diameter.
Furthermore, the data acquisition and transmission terminal and the power supply module are installed at the horizontal material of the first section of the tower leg.
Furthermore, the data outgoing line of the pressure sensing nut is connected with the data acquisition and transmission terminal, and the connecting line is arranged on the inner side of the horizontal material and the inner side of the main material angle steel so as not to influence the tower assembling construction.
Furthermore, the data acquisition and transmission terminal sends the acquired data to an upper computer monitoring system through a 4G or 5G network.
Further, the power supply module is a solar power supply module and comprises a solar panel, a solar controller and a storage battery, wherein the solar controller and the storage battery are arranged in the waterproof metal shell to prevent rain and extrusion in construction.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a rag bolt operating condition early warning device is used in group tower construction, the device can intelligent perception transmission tower rag bolt's operating condition, and early warning danger point makes group tower constructor can master rag bolt's true operating condition in real time to improve the security of transmission tower construction and operation, reduce because of rag bolt and fastening nut mismatch or the risk that the nut fastening can not be in place takes place the tower collapse accident, improve construction quality. Furthermore, the utility model discloses need not improve any multiplexer utensil and cooperate with it, can take off the device when pouring the protective cap after transmission line group tower and overhead line construction, need not install always on rag bolt, can recycle, realize with low costs. The utility model discloses transmission tower especially adapted to during construction has very strong practicality and wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the pressure-sensing nut according to an embodiment of the present invention.
In the figure: 1. pressure perception nut, 11, fixing nut, 12, piezoelectric type pressure sensor, 13, internal thread, 14, through-hole, 15, data lead-out wire, 2, data acquisition and transmission terminal, 3, power module, 4, upper computer monitoring system, 5, rag bolt, 6, fastening nut, 7, baseboard, 8, basis.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure herein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the embodiment provides an anchor bolt working state early warning device for tower assembly construction, which includes pressure sensing nuts 1, a data acquisition and transmission terminal 2, a power supply module 3 and an upper computer monitoring system 4, wherein the number of the pressure sensing nuts 1 is adapted to the number of anchor bolts 5 of a power transmission tower, each anchor bolt 5 is cooperatively connected with a fastening nut 6, a plurality of the pressure sensing nuts 1 are respectively installed on the fastening nuts 6 and cooperatively connected with the corresponding anchor bolts 5 to acquire pressure data at each anchor bolt, the pressure sensing nuts 1 are connected with the data acquisition and transmission terminal 2, the data acquisition and transmission terminal 2 transmits acquired data to the upper computer monitoring system 4 through wireless communication modes such as a 4G or 5G network, and the upper computer monitoring system 4 monitors and warns the working state of the anchor bolt according to the acquired data; and the power supply module 3 supplies power to the data acquisition and transmission terminal 2.
As shown in fig. 2, the pressure sensing nut 1 is composed of a fixing nut 11 and a piezoelectric pressure sensor 12, wherein the fixing nut 11 has an internal thread 13 matched with the anchor bolt 5 in the middle, the piezoelectric pressure sensor 12 is fixedly connected to the lower portion of the fixing nut 11, and the piezoelectric pressure sensor 12 has a through hole 14 in the middle, which is larger than the diameter of the anchor bolt. The fixing nut 11 is used for positioning the piezoelectric pressure sensor 12 and applying a pre-tightening force between the fixing nut and the fastening nut 6; during use, the initial pressure value sensed by the piezoelectric pressure sensor 12 can be adjusted by tightening or loosening the fixing nut 11 to change the collected pressure range as the height of the tower assembly increases.
In this embodiment, the data acquisition and transmission terminal 2 and the power supply module 3 are installed at the horizontal bar of the first section of the tower leg. The data outgoing line 15 of the pressure sensing nut 1 is connected with the data acquisition and transmission terminal 2, and the connecting line is arranged on the inner side of the horizontal material and the main material angle steel so as not to influence tower assembling construction.
In the preferred embodiment of the present invention, the power supply module can be a solar power supply module, which comprises a solar panel, a solar controller and a storage battery, wherein the solar controller and the storage battery are disposed in a waterproof metal casing to prevent rain and extrusion during construction.
After the tower legs are assembled, foundation bolt nuts are installed and fastened, and each nut of 16 foundation bolts of 4 tower foot plates is subjected to initial fastening force under the windless and lateral load-free conditionsP 1 The gravity of the iron tower structure on the upper part of the tower leg and the construction holding pole system is G, the falling of the tower during the tower assembling construction is caused by the overturning of the horizontal construction load or the strong wind, and the overturning moment M is inevitably generated at 4 tower feet, wherein 8 foundation bolts of 2 tower feet bear the upward uplifting force M/8 respectivelya（aFor the pylon to be rooted), i.e. the initial fastening force of the anchor boltsP 1 On the basis of which M/8 is superposedaThe nut is pressed by a force ofP 1 -G/16+M/8a. The other 2 tower legs are pressed downwards, and the nut is stressedp 1 - G/16-M/8a. If the foundation bolt of the upper pulling tower foot is not matched with the nut, the lower pulling tower foot is arranged on the lower pulling tower footP 1 -G/16+M/8aThe nut slides slowly for a period of time under the action of the upward pulling force until the nut slips, so that the tower foot plate is separated from the foundation bolt to cause the iron tower to topple. In addition, if the nut is not fastened in place, the tower foot plate can generate impact force under the action of uplifting force, and the nut can loosen and fall off under the action of the impact force, so that the tower foot plate is separated from the foundation bolt, and the tower falls.
The utility model discloses realized a rag bolt operating condition early warning device based on pressure perception technique, made it possess rag bolt and nut power transmission state real-time perception, dangerous early warning function, satisfied the target of transmission tower safety construction.
The utility model discloses make into a pressure perception nut with piezoelectric type pressure sensor and fixation nut, the fastening is on the fastening nut has been installed, as shown in fig. 1, acquire the pressure time course change of pressure between the nut, in case tower foot pressurized side is when the effect of pulling out at the upper portion under the horizontal load effect, if compare with the fastening force of initial nut and increase more, it has the slip to explain fastening nut, data acquisition and transmission terminal can be with data transmission to host computer monitoring system, judge whether to belong to normal condition according to current wind speed wind direction and group tower construction operating mode, if with the current wind speed wind direction and the construction operating mode broughtIf the load increment is inconsistent, early warning information is sent out randomly, and constructors can observe the states and the field conditions of foundation bolts to judge the problems; if the pressure value measured by the pressure sensing nut is close to the pressure valueP 1 -G/16+M/8aIn time, in a very emergency state, constructors must stop construction to tighten the stay wires or timely set the stay wires so as to avoid the occurrence of accidents of people death due to the damage of the tower. The utility model discloses a real-time supervision rag bolt's connected state reflects rag bolt's stress state, and the early warning is dangerous, and especially whether rag bolt matches or not complete fastening during the tower construction of group makes the key place that tower construction site commander can comprehensively judge the security of the iron tower of having organized at present.
The implementation method of the foundation bolt working state early warning device for tower assembling construction in the embodiment comprises the following steps:
in the process of tower assembling, the pressure sensing screw cap is arranged on the corresponding foundation bolt, and the pretightening force between the pressure sensing screw cap and the fastening nut is adjusted; installing the data acquisition and transmission terminal and the power supply module on the tower legs, and completing the line connection among the pressure sensing screw cap, the data acquisition and transmission terminal and the power supply module; and then, realizing data communication between the data acquisition and transmission terminal and the upper computer monitoring system.
Monitoring the working state of the foundation bolt: the pressure perception nut gathers the pressure data of corresponding rag bolt department and transmits for data acquisition and transmission terminal, data acquisition and transmission terminal send the data of gathering to host computer monitoring system, host computer monitoring system monitors rag bolt's operating condition according to the data of acquireing, and when rag bolt's pressure data exceeded predetermined early warning threshold value, host computer monitoring system sends the early warning and indicates the position of danger point to let the timely discovery of group tower constructor danger and handle.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The foundation bolt working state early warning device for tower assembling construction is characterized by comprising pressure sensing nuts, data acquisition and transmission terminals, a power supply module and an upper computer monitoring system, wherein the number of the pressure sensing nuts is matched with that of foundation bolts of a power transmission tower, fastening nuts are connected to each foundation bolt in a matched mode, a plurality of the pressure sensing nuts are respectively installed on the fastening nuts and are connected with the corresponding foundation bolts in a matched mode so as to acquire pressure data at each foundation bolt, the pressure sensing nuts are connected with the data acquisition and transmission terminals, the data acquisition and transmission terminals transmit the acquired data to the upper computer monitoring system in a wireless communication mode, and the upper computer monitoring system monitors and early warns the working state of the foundation bolts according to the acquired data; and the power supply module supplies power to the data acquisition and transmission terminal.
2. The early warning device for the working state of the foundation bolt for the tower erection according to claim 1, wherein the pressure sensing nut is composed of a fixing nut and a piezoelectric pressure sensor, an internal thread adapted to the foundation bolt is formed in the middle of the fixing nut, the piezoelectric pressure sensor is fixedly connected to the lower portion of the fixing nut, and a through hole larger than the diameter of the foundation bolt is formed in the middle of the piezoelectric pressure sensor.
3. The foundation bolt working state early warning device for tower erection according to claim 1, wherein the data acquisition and transmission terminal and the power supply module are installed at the horizontal section of the first section of the tower leg.
4. The early warning device for the working state of the foundation bolt for the tower assembling construction according to claim 1, wherein a data outgoing line of the pressure sensing nut is connected with a data acquisition and transmission terminal, and a connecting line is arranged on the inner side of a horizontal material and a main material angle steel so as not to influence the tower assembling construction.
5. The foundation bolt working state early warning device for tower erection according to claim 1, wherein the data acquisition and transmission terminal transmits the acquired data to an upper computer monitoring system through a 4G or 5G network.
6. The foundation bolt working state early warning device for tower erection according to claim 1, wherein the power supply module is a solar power supply module, and comprises a solar panel, a solar controller and a storage battery, and the solar controller and the storage battery are arranged in a waterproof metal shell to prevent rain and extrusion during construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721277.XU CN217982547U (en) | 2022-07-06 | 2022-07-06 | Rag bolt operating condition early warning device for tower assembling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221721277.XU CN217982547U (en) | 2022-07-06 | 2022-07-06 | Rag bolt operating condition early warning device for tower assembling construction |
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| CN217982547U true CN217982547U (en) | 2022-12-06 |
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| CN202221721277.XU Active CN217982547U (en) | 2022-07-06 | 2022-07-06 | Rag bolt operating condition early warning device for tower assembling construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219093A (en) * | 2022-07-06 | 2022-10-21 | 国网福建省电力有限公司经济技术研究院 | Foundation bolt working state early warning device and method for tower erection construction |
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2022
- 2022-07-06 CN CN202221721277.XU patent/CN217982547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219093A (en) * | 2022-07-06 | 2022-10-21 | 国网福建省电力有限公司经济技术研究院 | Foundation bolt working state early warning device and method for tower erection construction |
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