CN214615612U - Integral synchronous jacking control device for building structure - Google Patents
Integral synchronous jacking control device for building structure Download PDFInfo
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- CN214615612U CN214615612U CN202120225290.5U CN202120225290U CN214615612U CN 214615612 U CN214615612 U CN 214615612U CN 202120225290 U CN202120225290 U CN 202120225290U CN 214615612 U CN214615612 U CN 214615612U
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Abstract
The utility model provides a building structure whole synchronization jacking controlling means, include: a tray located below the building structure to support the building structure; the jacking unit is positioned below the tray to jack the tray and the building structure; the sensing unit comprises a plurality of strain sensors which are respectively positioned in the tray and on the building structure so as to acquire strain data of the tray and the building structure; the data processing unit is connected with the sensing unit to receive the strain data of the sensing unit, analyze and process the strain data and output an adjusting signal; and the power control unit is simultaneously connected with the jacking unit and the data analysis unit and is used for receiving the adjusting signal output by the data processing unit and adjusting the jacking force and the jacking stroke of the jacking unit according to the adjusting signal. By collecting strain data of the tray and the building structure and quantitatively analyzing the stress and strain states of the tray and the building structure in the jacking process, the active control on the jacking force and the jacking stroke of the building structure is realized.
Description
Technical Field
The utility model relates to an existing building transformation engineering technical field especially relates to a building structure whole synchronization jacking controlling means.
Background
China is a big building stock country. In a large number of existing buildings, a considerable portion of the buildings approach or have reached their designed service life, and if the reconstruction is reversed, a large investment is required. The existing buildings are underpinned and jacked in situ, so that the continued historical buildings can be protected, and the construction waste transportation and land acquisition cost is reduced. Simultaneously, the earthquake-resistant reinforcement and underground storey-adding transformation technology are combined, the stress condition of the existing structure is improved, the using area of the existing building is increased, the using function of the structure is improved, the service life of the building is prolonged, and the economic effect is remarkable.
As the jacking engineering objects are mostly protective buildings, the later generations are long, most structural systems are deteriorated to a certain degree, the uneven deformation resistance is poor, and the structural secondary stress members induced by the jack stroke and force asynchronization in the jacking stage are damaged and sensitive. Most of the conventional synchronous jacking control devices only control and observe the lifting force and displacement of the jack, and the states of the tray and the superstructure are adjusted through a PLC synchronous control system. The asynchronous identification lag in the jacking process is usually identified only by obvious cracks or damage signs on the structure through jacking force and displacement control, the mechanical properties of the building structure in the jacking stage cannot be intuitively reflected in real time, and the active control and adjustment on the unfavorable stress state of the building structure cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a building structure is whole synchronous jacking controlling means, through the stress and the strain state of real-time feedback building structure, realized the jacking force of building structure jacking in-process and the active control of jacking stroke, reduced the damage risk of building structure in the jacking in-process.
In order to achieve the above object, the utility model provides a building structure is whole to be synchronous jacking controlling means, include:
a tray located below a building structure to support the building structure;
the jacking unit is positioned below the tray to jack the tray and the building structure;
the sensing unit comprises a plurality of strain sensors which are respectively positioned in the tray and on the building structure so as to acquire strain data of the tray and the building structure;
the data processing unit is connected with the sensing unit to receive the strain data of the sensing unit, analyze and process the strain data and output an adjusting signal;
and the power control unit is simultaneously connected with the jacking unit and the data analysis unit and is used for receiving the adjusting signal output by the data processing unit and adjusting the jacking force and the jacking stroke of the jacking unit according to the adjusting signal.
Optionally, the tray is a reinforced concrete frame structure.
Optionally, a part of the strain sensors are embedded in the tray and connected with the steel bars in the tray, and the rest of the strain sensors are arranged at weak positions of the building structure.
Optionally, the strain sensor is a vibrating wire sensor or an optical fiber sensor.
Optionally, the jacking unit includes a plurality of jacks, and the jacks are evenly distributed along the lower surface of the tray.
Optionally, the jack is a hydraulic jack, a pneumatic jack or a mechanical jack.
Optionally, the sensing unit and the data processing unit are in wired communication connection or wireless communication connection.
Optionally, the data processing unit is a computer.
Optionally, the power control unit is a PLC controller.
Optionally, the control device for integrally and synchronously jacking the building structure further comprises an alarm unit connected with the data processing unit, and when the strain data acquired by the strain sensor is greater than a threshold value, the data processing unit controls the alarm unit to give an alarm.
The utility model provides an among the whole synchronous jacking controlling means of building structure, through strain sensor collection tray and building structure's strain data, then utilize the stress and the strain state of data processing unit quantitative analysis jacking in-process tray and building structure to carry out active control according to stress and strain state to the jacking force and the jacking stroke of jacking unit, reduced the damage risk of building structure in the jacking in-process.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation to the scope of the invention. Wherein:
fig. 1 is a schematic view of an integral synchronous jacking control device for a building structure according to an embodiment of the present invention;
wherein the reference numerals are:
10-a tray; 20-a building structure; 30-a strain sensor; 40-a data processing unit; 50-a power control unit; 60-a jack; 70-alarm unit.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently. It should be further understood that the terms "first," "second," "third," and the like in the description are used for distinguishing between various components, elements, steps, and the like, and are not intended to imply a logical or sequential relationship between various components, elements, steps, or the like, unless otherwise indicated or indicated.
As shown in fig. 1, the present embodiment provides a building structure integral synchronous jacking control device, including:
a tray 10 positioned below a building structure 20 to hold the building structure 20;
a jacking unit located below the tray 10 to jack the tray 10 and the building structure 20;
a sensing unit including a plurality of strain sensors 30, wherein the plurality of strain sensors 30 are respectively located in the tray 10 and on the building structure 20 to collect strain data of the tray 10 and the building structure 20;
the data processing unit 40 is connected with the sensing unit to receive the strain data of the sensing unit, analyze and process the strain data and output an adjusting signal;
and the power control unit 50 is simultaneously connected with the jacking unit and the data analysis unit, receives the adjusting signal output by the data processing unit 40, and adjusts the jacking force and the jacking stroke of the jacking unit according to the adjusting signal.
Compare conventional jacking synchronizer, the utility model discloses a strain sensor gathers tray and building structure's strain data, then utilizes the stress and the strain state of data processing unit quantitative analysis jacking in-process tray and building structure to carry out active control according to stress and strain state to the jacking force and the jacking stroke of jack, reduce the damage risk of building structure in the jacking in-process.
Specifically, the tray 10 is generally a reinforced concrete frame structure with a large rigidity, which is newly poured on the basis of the original building structure 20, and serves as an integral jacking platform, so that the tray 10 is tightly connected with the jacked building structure 20.
The sensing unit comprises a plurality of strain sensors 30, the strain sensors 30 being adapted to collect strain data of the pallet 10 and the building structure 20. In this embodiment, a portion of the strain sensors 30 are embedded in the tray 10 and connected to the steel bars in the tray 10, and the remaining portion of the strain sensors 30 may be disposed at a weak position of the building structure 20, such as the positions of the span, the supports, the load-bearing members, the beam-column joints, the arch rings, the window openings and the like of the building structure, by monitoring and collecting the strain data of the reinforcing steel bars in the tray 10 and the weak positions of the building structure 20, the mechanical properties of the tray 10 and the building structure 20 in the jacking process are reflected, then the data processing unit 40 can be used for analyzing and processing, and comparing and analyzing the data with the structural characteristic data under the designed jacking working condition to obtain the structural safety redundancy in the jacking process, and then feeds back the information to the power control unit 50 in real time to correct and adjust the jacking force of the jacking unit and the output of the jacking stroke.
In this embodiment, the strain sensor 30 may be bound with the steel bar in the tray 10 and then poured, and the strain sensor 30 at the weak position of the building structure 20 may be directly fixed on the surface of the monitoring point. The strain sensor 30 includes, but is not limited to, a vibrating wire sensor or a fiber optic sensor.
Further, the sensing unit and the data processing unit 40 are connected by wired communication or wireless communication, which is not limited in this application. For example, the strain sensor 30 may be connected to the data processing unit 40 through a cable, or may transmit information through wireless communication means such as radio frequency, bluetooth, and the like.
The data processing unit 40 has data analyzing, comparing and storing functions, and can analyze the structural redundancy and safety reserve conditions of the weak position members and the trays of the building structure 20 according to the monitoring data of the strain sensor 30, so as to provide a basis for the active control of the building structure 20 in the jacking stage. In this embodiment, the data processing unit 40 is a computer, the computer includes a host and a liquid crystal touch screen, the host is used for data analysis and processing, and the liquid crystal touch screen is used for displaying the stress-strain data obtained by collection in real time, so that monitoring personnel can observe and adjust the data conveniently.
In this embodiment, the power control unit 50 is a PLC controller, and can adjust the jacking force and the jacking stroke of the jacking assembly according to the adjustment signal output by the data processing unit 40, so as to realize active control in the jacking process of the building structure and reduce the risk of damage to the building structure in the jacking process.
In this embodiment, the jacking unit includes a plurality of jacks 60, and the jacks 60 are uniformly distributed along the lower surface of the tray 10. The jacks 60 are used for jacking synchronously, so that the safety and stability of the jacking process are ensured.
Further, the jack 60 is a hydraulic jack 60, a pneumatic jack 60 or a mechanical jack 60, that is, the jack 60 may adopt other transmission modes such as hydraulic, pneumatic, mechanical and the like, which is not limited in this application.
With reference to fig. 1, the apparatus for controlling the integral synchronous jacking of a building structure further includes an alarm unit 70 connected to the data processing unit 40, and when the strain data collected by the strain sensor 30 is greater than a threshold value, the data processing unit 40 controls the alarm unit 70 to send an alarm. When the alarm unit 70 sends an alarm, it indicates that the strain at the at least one strain sensor 30 exceeds the threshold, which indicates that an abnormal situation occurs locally in the building structure 20, and at this time, after receiving the alarm signal, the relevant monitoring personnel quickly identifies the abnormal part by looking up the relevant data, and takes effective measures in a targeted manner according to the situations such as the strain threshold.
When the integral synchronous jacking control device for the building structure provided by the embodiment works, the integral synchronous jacking control device generally comprises the following steps:
s1, according to the condition of the original building structure 20, arranging a reinforced concrete frame system with higher rigidity at the basic position of the building structure 20 to form a tray with higher rigidity as an integral jacking platform;
s2, pre-burying the strain sensor 30 in the tray 10, and arranging the strain sensor 30 at a weak position of the building structure 20;
s3, arranging the jacks 60, weighing the whole structure through pre-jacking before formal jacking, and acquiring the initial jacking force of each jack 60 and the initial value state of the structure before jacking;
and S4, setting a proper strain threshold value, and performing formal jacking after the jack 60 is adjusted.
In the jacking process, the conditions of the strain sensors 30 can be obtained in real time through the data processing unit, redundancy and safety reserve analysis is carried out on the building structure 20 and the tray 10, the jacking force and the stroke of the jack 60 are corrected and adjusted, and the alarm unit 70 warns the abnormal conditions of the local stress and the strain.
To sum up, the embodiment of the utility model provides a whole synchronous jacking controlling means of building structure, include: a tray located below a building structure to support the building structure; the jacking unit is positioned below the tray to jack the tray and the building structure; the sensing unit comprises a plurality of strain sensors which are respectively positioned in the tray and on the building structure so as to acquire strain data of the tray and the building structure; the data processing unit is connected with the sensing unit to receive the strain data of the sensing unit, analyze and process the strain data and output an adjusting signal; and the power control unit is simultaneously connected with the jacking unit and the data analysis unit and is used for receiving the adjusting signal output by the data processing unit and adjusting the jacking force and the jacking stroke of the jacking unit according to the adjusting signal. The strain sensors are used for acquiring strain data of the tray and the building structure, then the data processing unit is used for quantitatively analyzing the stress and strain states of the tray and the building structure in the jacking process, and the jacking force and the jacking stroke of the jack are actively controlled according to the stress and strain states, so that the damage risk of the building structure in the jacking process is reduced.
It should also be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, the foregoing description is not intended to limit the invention. To anyone skilled in the art, without departing from the scope of the present invention, the technical solution disclosed above can be used to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (10)
1. The utility model provides a whole synchronous jacking controlling means of building structure which characterized in that includes:
a tray located below a building structure to support the building structure;
the jacking unit is positioned below the tray to jack the tray and the building structure;
the sensing unit comprises a plurality of strain sensors which are respectively positioned in the tray and on the building structure so as to acquire strain data of the tray and the building structure;
the data processing unit is connected with the sensing unit to receive the strain data of the sensing unit, analyze and process the strain data and output an adjusting signal;
and the power control unit is simultaneously connected with the jacking unit and the data processing unit and is used for receiving the adjusting signal output by the data processing unit and adjusting the jacking force and the jacking stroke of the jacking unit according to the adjusting signal.
2. The apparatus for controlling the overall synchronous jacking of a building structure as claimed in claim 1, wherein said tray is a reinforced concrete frame structure.
3. The integral synchronous jacking control device of claim 2, wherein part of the strain sensors are pre-embedded in the tray and connected with the steel bars in the tray, and the rest of the strain sensors are arranged at weak positions of the building structure.
4. The building structure integral synchronous jacking control device of claim 1 or 3, wherein said strain sensor is a vibrating wire sensor or an optical fiber sensor.
5. The apparatus for controlling the overall synchronous jacking of a building structure according to claim 1, wherein said jacking unit includes a plurality of jacks, said jacks being evenly distributed along the lower surface of said tray.
6. The apparatus for controlling the overall synchronous jacking of a building structure according to claim 5, wherein said jack is a hydraulic jack, a pneumatic jack or a mechanical jack.
7. The apparatus according to claim 1, wherein the sensing unit is connected to the data processing unit in a wired or wireless manner.
8. The apparatus for controlling the overall synchronous jacking of a building structure as claimed in claim 1, wherein said data processing unit is a computer.
9. The apparatus of claim 1, wherein the power control unit is a PLC controller.
10. The device for controlling the integral synchronous jacking of the building structure according to claim 1, further comprising an alarm unit connected with the data processing unit, wherein when the strain data acquired by the strain sensor is greater than a threshold value, the data processing unit controls the alarm unit to give an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225290.5U CN214615612U (en) | 2021-01-26 | 2021-01-26 | Integral synchronous jacking control device for building structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120225290.5U CN214615612U (en) | 2021-01-26 | 2021-01-26 | Integral synchronous jacking control device for building structure |
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| Publication Number | Publication Date |
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| CN214615612U true CN214615612U (en) | 2021-11-05 |
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| CN202120225290.5U Active CN214615612U (en) | 2021-01-26 | 2021-01-26 | Integral synchronous jacking control device for building structure |
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2021
- 2021-01-26 CN CN202120225290.5U patent/CN214615612U/en active Active
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