阅读说明：本技术 一种伺服轴力钢支撑装置及施工方法 (Servo axial force steel supporting device and construction method ) 是由 俞嫒妍 郑祥杰 王正佳 刘泉 许勇 于 2020-06-23 设计创作，主要内容包括：本发明提供了一种伺服轴力钢支撑装置及施工方法,其中,伺服轴力钢支撑装置包括多个支撑单元和总控箱,每个支撑单元包括千斤顶、临时支撑架、通讯线、液压管线和泵站分控箱,千斤顶设置在临时支撑架的顶部,千斤顶通过液压管线和通讯线与泵站分控箱连接,泵站分控箱与总控箱通信连接。本发明提供的伺服轴力支撑装置可通过千斤顶调整临时支撑架向下部结构传导的载荷值,对下部结构的过载情况进行释放与缓解,使得千斤顶承载的载荷值与上部结构安装过程中产生的总载荷值的占比稳定,保证临时支撑架向下部结构传导的载荷值在下部结构的可接受范围内,从而避免下部结构超载损坏,保证施工安全,且本发明结构简单,易于安装和拆除。(The invention provides a servo axial force steel supporting device and a construction method, wherein the servo axial force steel supporting device comprises a plurality of supporting units and a master control box, each supporting unit comprises a jack, a temporary supporting frame, a communication line, a hydraulic pipeline and a pump station sub-control box, the jack is arranged at the top of the temporary supporting frame and is connected with the pump station sub-control box through the hydraulic pipeline and the communication line, and the pump station sub-control box is in communication connection with the master control box. The servo axial force supporting device provided by the invention can adjust the load value transmitted from the temporary supporting frame to the lower part structure through the jack, and release and relieve the overload condition of the lower part structure, so that the ratio of the load value borne by the jack to the total load value generated in the mounting process of the upper part structure is stable, and the load value transmitted from the temporary supporting frame to the lower part structure is ensured to be within the acceptable range of the lower part structure, thereby avoiding overload damage of the lower part structure and ensuring construction safety.)

1. The utility model provides a servo axial force steel strutting arrangement, its characterized in that includes a plurality of support element and master control case, every the support element includes jack, interim support frame, communication line, hydraulic pressure pipeline and pump station branch control case, the jack sets up the top of interim support frame, the jack passes through the hydraulic pressure pipeline with the communication line with pump station branch control case is connected, pump station branch control case with master control case communication connection.

2. The servo axial force steel supporting device according to claim 1, further comprising a communication bus, wherein a plurality of the pump station sub-control boxes are sequentially connected through the communication line and are connected with the main control box through the communication bus.

3. The servo axial force steel supporting device as claimed in claim 1, wherein a pressure sensor is arranged on the jack and used for monitoring the load value carried by the jack in real time and feeding the load value carried by the jack back to the master control box.

4. The servo axial force steel supporting device according to claim 1, wherein a stroke sensor is arranged on the jack and used for monitoring the extension length value of a piston rod of the jack in real time and feeding back the extension length value of a piston cylinder to the master control box.

5. The servo axial force steel supporting device according to claim 1, wherein the supporting unit further comprises a jack stand on which the jack is mounted, the jack stand being provided on a top of the temporary supporting stand.

6. The servo axial force steel supporting device according to claim 1, wherein each supporting unit comprises a plurality of the jacks, and the plurality of the jacks are controlled by the same pump station sub-control box.

7. The servo axial force steel supporting device according to claim 1, wherein each supporting unit comprises a plurality of the jacks, and the plurality of the jacks are respectively controlled by the same pump station sub-control box.

8. The servo axial force steel supporting device according to claim 1, wherein the temporary supporting frame is a lattice column, a steel independent column or a round pipe.

9. A construction method based on the servo axial force steel support device according to any one of claims 1 to 9, characterized by comprising the following steps:

(1) preparing construction, namely mounting the servo axial force steel supporting device on a lower structure;

(2) extending a piston rod of each jack to a certain height;

(3) setting a reference interval for the ratio of the load value borne by each jack and the total load value generated in the mounting process of the upper structure through the master control box;

(4) installing an upper structure, wherein the main control box controls the jack to lift or retract the cylinder in real time through the sub-control boxes of the pump station, so that the ratio of the load value borne by the jack to the total load value generated in the installation process of the upper structure is within the reference interval;

(5) after the upper structure is installed, the general control box controls the support unit to be separated from the upper structure;

(6) and unloading and detaching the servo axial force steel supporting device, and finishing construction.

Technical Field

The invention relates to the technical field of steel structure engineering construction, in particular to a servo axial force steel supporting device and a construction method.

Background

In the hoisting construction process of the steel structure, a large number of temporary support structures are needed to temporarily support the steel structure, the currently used temporary support structures are generally round tube type, lattice column type or section steel type steel support structures, and the steel support structures are all rigid support structures, namely compressed or pulled passive rod pieces.

The rigid support structure, when in use, directly transfers all the loads generated by the superstructure during construction to the substructure, causing the substructure to overload and fail.

In addition, the temporary support structure is required to be unloaded and dismantled after the steel structure is installed, the existing method is that workers are located at the top of the temporary support, the upper structure is separated from the temporary support structure through a cutting method, and the method has high safety risk and consumes time and labor.

Disclosure of Invention

The invention aims to provide a servo axial force steel supporting device and a construction method, and aims to solve the problems that when a rigid supporting structure in the prior art is used, all loads generated in the construction process of an upper structure are directly transmitted to a lower structure, the lower structure is overloaded to be damaged, and time and labor are wasted during unloading and dismantling.

In order to solve the technical problems, the invention provides the following specific technical scheme:

in a first aspect, the invention provides a servo axial force steel supporting device which comprises a plurality of supporting units and a master control box, wherein each supporting unit comprises a jack, a temporary supporting frame, a communication line, a hydraulic pipeline and a pump station sub-control box, the jack is arranged at the top of the temporary supporting frame and is connected with the pump station sub-control box through the hydraulic pipeline and the communication line, and the pump station sub-control box is in communication connection with the master control box.

Optionally, the system further comprises a communication bus, and the plurality of pump station sub-control boxes are sequentially connected through the communication line and are connected with the master control box through the communication bus.

Optionally, a pressure sensor is arranged on the jack and used for monitoring the load value borne by the jack in real time and feeding back the load value borne by the jack to the master control box.

Optionally, a stroke sensor is arranged on the jack and used for monitoring the extension length value of the piston rod of the jack in real time and feeding back the extension length value of the piston cylinder to the master control box.

Optionally, the supporting unit further includes a jack support, the jack is mounted on the jack support, and the jack support is disposed on the top of the temporary supporting frame.

Optionally, each support unit comprises a plurality of jacks, and the plurality of jacks are controlled by the same pump station sub-control box.

Optionally, each support unit includes a plurality of the jacks, and the plurality of the jacks are respectively controlled by a plurality of the pump station sub-control boxes.

Optionally, the temporary support frame is a lattice column, a profile steel independent column or a round pipe.

In a second aspect, the present invention provides a construction method based on the servo axial force steel support device according to the first aspect, the construction method comprising the steps of:

(1) preparing construction, namely mounting the servo axial force steel supporting device on a lower structure;

(2) extending a piston rod of each jack to a certain height;

(3) setting a reference interval for the ratio of the load value borne by each jack and the total load value generated in the mounting process of the upper structure through the master control box;

(4) installing an upper structure, wherein the main control box controls the jack to lift or retract the cylinder in real time through the sub-control boxes of the pump station, so that the ratio of the load value borne by the jack to the total load value generated in the installation process of the upper structure is within the reference interval;

(5) after the upper structure is installed, the general control box controls the support unit to be separated from the upper structure;

(6) and unloading and detaching the servo axial force steel supporting device, and finishing construction.

The servo axial force steel supporting device and the construction method provided by the invention have the following beneficial effects: the servo axial force steel supporting device comprises a plurality of supporting units and a master control box, wherein each supporting unit comprises a jack, a temporary supporting frame, a communication line, a hydraulic pipeline and a pump station sub-control box, the jack is arranged at the top of the temporary supporting frame, the jack is connected with the pump station sub-control box through the hydraulic pipeline and the communication line, and the pump station sub-control box is in communication connection with the master control box. When the servo axial force supporting device provided by the invention is used, a reference interval can be set according to the ratio of the load value borne by each jack to the total load value generated in the mounting process of an upper structure by the main control box, then when the upper structure is mounted, the main control box controls the jacks to lift or retract through the pump station sub-control boxes in real time according to the load value borne by the jacks so as to adjust the supporting axial force of the jacks, namely the load value borne by the jacks, further adjust the load value conducted by the temporary supporting frame to the lower structure, release and relieve the overload condition of the lower structure, enable the ratio of the load value borne by the jacks to the total load value generated in the mounting process of the upper structure to be within the reference interval, and ensure that the load value conducted by the temporary supporting frame to the lower structure is within the acceptable range of the lower structure, thereby avoiding overload damage of the lower structure and ensuring construction safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a servo axial force steel support device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the supporting unit in a servo axial force steel supporting device according to an embodiment of the present invention;

wherein the reference numerals of figures 1-2 are as follows:

1-a support unit; 11-a jack; 12-a temporary support; 13-pump station separate control box; 14-hydraulic lines; 15-communication lines; 16-jack support; 2-a master control box; 3-a communication bus; 4-a superstructure; 5-lower structure.

Detailed Description

The following provides a servo axial force steel supporting device and a construction method thereof, which are provided by the invention, with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As described in the background art, in the prior art, when a rigid supporting structure is generally used to temporarily support a steel structure during a construction process, the rigid supporting structure directly transmits all loads generated by an upper structure during the construction process to a lower structure, so that the loads borne by the upper structure and the lower structure are seriously unbalanced, the lower structure is overloaded to be damaged, and the unloading and dismantling of the rigid supporting structure are time-consuming and labor-consuming after the construction is completed. To this end, a servo axial force steel supporting device is provided in this embodiment, fig. 1 is a schematic structural diagram of a servo axial force steel supporting device provided in this embodiment, fig. 2 is a schematic structural diagram of the supporting units in a servo axial force steel supporting device provided in this embodiment, please refer to fig. 1 and fig. 2, the servo axial force steel supporting device includes a plurality of supporting units 1 and a master control box 2, each supporting unit 1 includes a jack 11, a temporary supporting frame 12, a communication line 15, a hydraulic pipeline 14 and a pump station sub-control box 13, the jack 11 is disposed on the top of the temporary supporting frame 12, the jack 11 is connected to the pump station sub-control box 13 through the hydraulic pipeline 14 and the communication line 15, and the pump station sub-control box 13 is connected to the master control box 2 in a communication manner.

When the servo axle force supporting device provided by this embodiment is used, a reference interval may be set by the ratio of the load value borne by each jack 11 and the total load value generated in the installation process of the upper structure 4 through the master control box 2, then when the upper structure 4 is installed, the master control box 2 controls the jacks 11 to perform cylinder lifting or cylinder retracting according to the load values borne by the jacks 11 through the pump station sub-control box 13 in real time, so as to adjust the supporting axle force of the jacks, that is, the load value borne by the jacks 11, further adjust the load value conducted by the temporary supporting frame 12 to the lower structure 5, and release and relieve the overload condition of the lower structure 5, so that the ratio of the load value borne by the jacks 11 and the total load value generated in the installation process of the upper structure 4 is within the reference interval, and ensure that the load value conducted by the temporary supporting frame 12 to the lower structure 5 is within the acceptable range of the lower structure 5 Thereby avoiding overload damage of the lower structure 5 and ensuring construction safety.

Specifically, the supporting unit 1 further includes a jack support 16, the jack 11 is mounted on the jack support 16, and the jack support 16 is disposed on the top of the temporary supporting frame 12.

Furthermore, the servo axial force supporting device further comprises a communication bus 3, and the plurality of pump station sub-control boxes 13 are sequentially connected through the communication line 15 and are connected with the main control box 2 through the communication bus 3.

Further, a pressure sensor (not shown in the figure) is arranged on the jack 11 and is used for monitoring the upward supporting axial force of the jack 11 in real time, namely the load value borne by the jack 11, and feeding back the load value borne by the jack 11 to the master control box 2, when the ratio of the load value borne by the jack 11 and the total load value generated in the mounting process of the upper structure 4 monitored by the pressure sensor is not within a set reference interval, the master control box 2 controls the jack 11 to perform cylinder lifting or cylinder retracting through the pump station sub-control box 13 so as to increase or decrease the load value borne by the jack 11, so that the load value borne by the jack 11 is variable in real time, and the ratio of the load value borne by the jack 11 and the total load value generated in the mounting process of the upper structure 4 is kept stable within the set reference interval.

Further, the jack 11 is further provided with a stroke sensor (not shown in the figure) for monitoring the extension length value of the piston rod of the jack 11 in real time and feeding the extension length value of the piston rod back to the master control box 2, so as to ensure that the extension length value of the piston rod is within a safety value during the cylinder lifting or cylinder retracting process of the jack 11, the mechanical performance of the jack 11 cannot be affected, and thus the construction quality and the construction safety are ensured.

In addition, each support unit 1 may include a plurality of the jacks 11, and the plurality of the jacks 11 may be controlled by the same pump station sub-control box 13, or may be controlled by a plurality of the pump station sub-control boxes 13, respectively.

Further, the temporary support frame 12 may be a lattice column, a section steel independent column or a round pipe.

In addition, the embodiment also provides a construction method based on the servo axial force steel supporting device, and the construction method comprises the following steps:

(1) and (4) preparing construction, and mounting the servo axial force steel supporting device on the lower structure 5.

Specifically, the temporary support frame 12 is installed on a lower structure 5 such as the ground, a basement roof, a steel structure and the like, the jack support 16 is installed at the top of the temporary support frame 12, the jack 11 is provided with a pressure sensor and a travel sensor, the jack 11 is installed on the jack support 16, the jack 11 is connected with the corresponding pump station sub-control boxes 13 through a hydraulic pipeline 14 and a communication line 15, and finally the pump station sub-control boxes 13 are sequentially connected through the communication line 15 and are connected with the main control box 2 through the communication bus 3.

(2) And extending the piston rod of each jack 11 to a certain height so as to facilitate the subsequent cylinder lifting or cylinder contraction of the jacks 11 to adjust the upward supporting axial force of the jacks.

(3) A reference interval is set for the ratio of the load value carried by each jack 11 to the total load value generated in the mounting process of the upper structure 4 through the master control box 2.

Specifically, if 4 supporting units 1 are provided in the servo axial force steel supporting device, and the total load value generated during the installation of the upper structure 4 is x, if the ratio of the load value borne by each jack 11 to the total load value generated during the installation of the upper structure 4 is set to 10% to 15%, the load value borne by each jack 11 is 0.1x to 0.15x, and only 40% to 60% of the total load value generated during the installation of the upper structure 4 is transmitted to the lower structure 5 through the temporary supporting frame 12.

(4) And installing the upper structure 4, and controlling the jack 11 to lift or retract the cylinder by the main control box 2 through the pump station sub-control box 13 in real time, so that the ratio of the load value borne by the jack 11 to the total load value generated in the installation process of the upper structure 4 is within the reference interval.

Specifically, the pressure sensor monitors the upward supporting axial force of the jack 11 in real time, that is, the load value borne by the jack 11, and feeds the load value borne by the jack 11 back to the master control box 2, and when the ratio of the load value borne by the jack 11 and the total load value generated in the mounting process of the upper structure 4 monitored by the pressure sensor is not within a set reference interval, the master control box 2 controls the jack 11 to perform cylinder lifting or cylinder retracting through the pump station sub-control box 13 to increase or decrease the load value borne by the jack 11, so that the load value borne by the jack 11 is variable in real time, and the ratio of the load value borne by the jack 11 and the total load value generated in the mounting process of the upper structure 4 is kept stable within the set reference interval.

(5) After the upper structure 4 is installed, the general control box 2 controls the supporting unit 1 to be separated from the upper structure 4, and time and labor are saved.

(6) And unloading and detaching the servo axial force steel supporting device, and finishing construction.

In summary, the servo axial force steel supporting device and the construction method provided by the invention have the following advantages: the servo axial force steel supporting device comprises a plurality of supporting units and a master control box, wherein each supporting unit comprises a jack, a temporary supporting frame, a communication line, a hydraulic pipeline and a pump station sub-control box, the jack is arranged at the top of the temporary supporting frame, the jack is connected with the pump station sub-control box through the hydraulic pipeline and the communication line, and the pump station sub-control box is in communication connection with the master control box. The servo axial force supporting device provided by the embodiment can adjust the load value transmitted from the temporary supporting frame to the lower structure through the jack, and release and relieve the overload condition of the lower structure, so that the ratio of the load value borne by the jack to the total load value generated in the mounting process of the upper structure is stable, and the load value transmitted from the temporary supporting frame to the lower structure is ensured to be within the acceptable range of the lower structure, thereby avoiding overload damage of the lower structure and ensuring construction safety.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.