Plane deformation correcting device and method for steel structure roof buttress

Abstract

The invention provides a steel structure roof buttress plane deformation correction device and a method thereof.The steel structure roof buttress plane deformation correction device comprises a C-shaped supporting frame, the upper end of a side arm is connected with one end of an upper arm, the lower end of the side arm is connected with one end of a lower arm, and the upper arm, the side arm and the lower arm are sequentially spliced into a C shape; the bottom of the jack is connected with the upper arm, an ejection part of the jack is downwards aligned to a base connected with the lower portion of the electromechanical support stand column, and the upper surface of the lower arm of the C-shaped supporting frame makes contact with the lower surface of the plane connected with the steel structure roof buttress. The C-shaped supporting frame can be matched with the outer surface of the buttress, and stable and uniform supporting is provided. The jack can perform accurate pressure control by adopting a hydraulic system to correct the deformation of the buttress, the stress sensor can monitor the pressure in the correction process in real time, and the correction safety and accuracy are ensured.

Description

Technical Field

[0001] The invention relates to a device and method for correcting plane deformation of a steel structure roof buttress. Background Art

[0002] In steel structure buildings, the plane deformation of the steel roof piers will affect the overall stability and safety of the electromechanical support system. Traditional correction methods such as manual welding or mechanical adjustment have the problems of low precision, high cost and low efficiency. Summary of the invention

[0003] The object of the present invention is to provide a device and method for correcting plane deformation of a steel structure roof pier.

[0004] In order to solve the above problems, the present invention provides a device for correcting plane deformation of a steel structure roof pier, comprising:

[0005] A C-shaped support frame, wherein the upper end of the side arm is connected to one end of the upper arm, and the lower end of the side arm is connected to one end of the lower arm, and the upper arm, the side arm and the lower arm are sequentially spliced ​​into a C-shaped upper arm;

[0006] The jack has its bottom connected to the upper arm, and its ejection portion is downwardly aligned with the base connected to the lower part of the electromechanical support column, and the upper surface of the lower arm of the C-shaped support frame contacts the lower surface of the plane connected to the steel structure roof pier. The ejection portion of the jack is ejected downward to apply fitting and leveling pressure to the base and the plane of the steel structure roof pier located between the ejection portion of the jack and the lower arm of the C-shaped support frame.

[0007] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, the jack is a hydraulic jack; and a manual rocker is provided on the jack.

[0008] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, the length of the upper arm matches the radial width of the electromechanical support column so that the other end of the upper arm contacts the side of the electromechanical support column.

[0009] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, the length of the lower arm matches the diameter of the steel structure roof pier so that the other end of the lower arm contacts the side of the steel structure roof pier.

[0010] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, a stress sensor is also provided on the C-shaped support frame.

[0011] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, the stress sensor is arranged on the side arm.

[0012] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, there are two stress sensors, wherein one stress sensor is arranged on the connection node between the side arm and the upper arm, and the other stress sensor is arranged on the connection node between the side arm and the lower arm.

[0013] Furthermore, in the above-mentioned steel structure roof pier plane deformation correction device, the upper arm, side arm and lower arm of the C-shaped support frame are sequentially welded and connected by steel plates.

[0014] According to another aspect of the present invention, a method for correcting plane deformation of a steel structure roof pier is provided, using any of the above-mentioned devices for correcting plane deformation of a steel structure roof pier, the method comprising:

[0015] Step S1, aligning the ejection part of the jack on the C-shaped support frame with the corresponding area of ​​the base where the upper part of the plane of the steel structure roof pier at the deformed and bent part that needs to be corrected contacts;

[0016] Step S2, operating the manual rocker of the jack to press down, so that the ejection part of the jack slowly descends, applying pressure to the corresponding area of ​​the base, observing the rebound of the deformed and bent part of the plane of the steel structure roof pier contacted by the lower arm, and gradually operating the rocker to apply pressure so that the deformed and bent part of the plane of the steel structure roof pier fits and is leveled with the base;

[0017] Step S3, using a torque wrench, retighten the plane and base of the structural roof pier after being fitted and leveled by through bolts.

[0018] Furthermore, in the above method, step S2 includes:

[0019] Based on the real-time stress feedback from the stress sensor on the C-type support frame, the pressure is gradually increased by a manual joystick, increasing by 0.5 MPa each time.

[0020] Compared with the prior art, the C-shaped support frame of the present invention can perfectly fit the outer surface of the pier, providing stable and uniform support; the jack of the present invention can use the hydraulic system to accurately control the pressure to correct the deformation of the pier, and the stress sensor of the present invention can monitor the pressure during the correction process in real time to ensure the safety and accuracy of the correction. The present invention improves the accuracy and efficiency of correction; reduces material loss and labor costs during the correction process; improves the force bearing and force transmission performance of the steel structure, and extends the service life of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view of a device for correcting plane deformation of a steel structure roof pier according to an embodiment of the present invention;

[0022] Figure 2It is a side view of a device for correcting plane deformation of a steel structure roof pier according to an embodiment of the present invention;

[0023] Figure 3 It is a pressure diagram of a device for correcting plane deformation of a steel structure roof pier according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figures 1 to 3 As shown, the present invention provides a device for correcting plane deformation of a steel structure roof pier, comprising:

[0026] A C-shaped support frame 4, wherein the upper end of the side arm is connected to one end of the upper arm, and the lower end of the side arm is connected to one end of the lower arm, and the upper arm, the side arm and the lower arm are sequentially spliced ​​into a C-shaped upper arm;

[0027] The bottom of the jack is connected to the upper arm, the ejection part of the jack is downwardly aligned with the base 2 connected to the lower part of the electromechanical support column 1, the upper surface of the lower arm of the C-type support frame contacts the lower surface of the plane connected to the steel structure roof pier 3, and the ejection part of the jack is ejected downward to apply fitting and leveling pressure to the plane of the base and the steel structure roof pier located between the ejection part of the jack and the lower arm of the C-type support frame.

[0028] Here, the C-shaped support frame of the present invention can perfectly fit with the outer surface of the pier to provide stable and uniform support; the jack of the present invention can use the hydraulic system to accurately control the pressure to correct the deformation of the pier, and the stress sensor of the present invention can monitor the pressure during the correction process in real time to ensure the safety and accuracy of the correction. The present invention improves the accuracy and efficiency of the correction; reduces the material loss and labor cost during the correction process; improves the force bearing and force transmission performance of the steel structure, and extends the service life of the structure.

[0029] In one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, the jack is a hydraulic jack.

[0030] Here, you can choose jacks suitable for various deformation types to meet different correction needs. The modular design allows the jack to be quickly installed and removed on the C-shaped support frame.

[0031] like Figures 1 to 3 As shown, in one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, a manual rocker 7 is provided on the jack 5 .

[0032] In one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, the length of the upper arm matches the radial width of the electromechanical support column so that the other end of the upper arm contacts the side of the electromechanical support column.

[0033] In one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, the length of the lower arm matches the diameter of the steel structure roof pier so that the other end of the lower arm contacts the side of the steel structure roof pier.

[0034] like Figures 1 to 3 As shown, in one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, a stress sensor 6 is also provided on the C-shaped support frame.

[0035] In one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, the stress sensor is arranged on the side arm.

[0036] In one embodiment of the steel structure roof pier plane deformation correction device of the present invention, there are two stress sensors, wherein one stress sensor is arranged on the connection node between the side arm and the upper arm, and the other stress sensor is arranged on the connection node between the side arm and the lower arm.

[0037] In one embodiment of the device for correcting plane deformation of a steel structure roof pier of the present invention, the upper arm, the side arm and the lower arm of the C-shaped support frame are sequentially connected by welding of steel plates.

[0038] Here, the C-type support frame can use high-strength and economical Q345B steel, which is formed by cutting and welding to ensure that the support frame has sufficient bearing capacity.

[0039] like Figures 1 to 3 As shown, the present invention also provides a method for correcting plane deformation of a steel structure roof pier, using the above-mentioned device for correcting plane deformation of a steel structure roof pier, the method comprising:

[0040] Step S1, aligning the ejection portion of the jack on the C-shaped support frame with the corresponding area of ​​the base where the upper part of the plane of the steel structure roof pier at the curved part that needs to be corrected contacts;

[0041] Here, the outer surface dimensions of the steel structure roof can be accurately measured and a matching C-shaped support frame can be designed. A jack is set between the notches of the C-shaped support frame, and the ejection part of the jack is aligned with the bending part that needs to be corrected;

[0042] Step S2, operating the manual rocker of the jack to press down, so that the ejection part of the jack slowly descends, applying pressure to the corresponding area of ​​the base, observing the rebound of the deformed and bent part of the plane of the steel structure roof pier contacted by the lower arm, and gradually operating the rocker to apply pressure so that the deformed and bent part of the plane of the steel structure roof pier fits and is leveled with the base;

[0043] Here, based on the stress fed back in real time by the stress sensor on the C-type support frame, the pressure can be gradually increased by a manual joystick, increasing by 0.5 MPa each time, to ensure precise control of the force during the correction process and avoid overcorrection.

[0044] Step S3, using a torque wrench, retighten the plane and base of the structural roof pier after being fitted and leveled by through bolts.

[0045] Here, due to hydraulic leveling, the through bolts connecting the plane and base of the structural roof pier need to be re-tightened using a torque wrench to meet the torque value (tightening torque is 45NM), and a line is marked at the nut after meeting the requirements. That is, after correction, use a torque wrench to adjust the bolt to the torque specified in the design to ensure the stability of the connection, and mark the nut to facilitate subsequent maintenance and inspection.

[0046] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0047] Obviously, those skilled in the art can make various changes and modifications to the invention without departing from the spirit and scope of the invention. Thus, if these modifications and variations of the invention fall within the scope of the claims of the invention and their equivalents, the invention is also intended to include these modifications and variations.

Claims

1. A device for correcting plane deformation of a steel structure roof pier, characterized in that: include: A C-shaped support frame, wherein the upper end of the side arm is connected to one end of the upper arm, and the lower end of the side arm is connected to one end of the lower arm, and the upper arm, the side arm and the lower arm are sequentially spliced ​​into a C-shaped upper arm; The jack has its bottom connected to the upper arm, and its ejection portion is downwardly aligned with the base connected to the lower part of the electromechanical support column, and the upper surface of the lower arm of the C-shaped support frame contacts the lower surface of the plane connected to the steel structure roof pier. The ejection portion of the jack is ejected downward to apply fitting and leveling pressure to the base and the plane of the steel structure roof pier located between the ejection portion of the jack and the lower arm of the C-shaped support frame.

2. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: The jack is a hydraulic jack; a manual rocker is arranged on the jack.

3. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: The length of the upper arm matches the radial width of the electromechanical support column, so that the other end of the upper arm contacts the side surface of the electromechanical support column.

4. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: The length of the lower arm matches the diameter of the steel structure roof buttress so that the other end of the lower arm contacts the side surface of the steel structure roof buttress.

5. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: The C-shaped support frame is also provided with a stress sensor.

6. The device for correcting plane deformation of a steel structure roof pier according to claim 5, characterized in that: The stress sensor is arranged on the side arm.

7. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: There are two stress sensors, one of which is arranged at a connection node between the side arm and the upper arm, and the other stress sensor is arranged at a connection node between the side arm and the lower arm.

8. The device for correcting plane deformation of a steel structure roof pier according to claim 1, characterized in that: The upper arm, the side arm and the lower arm of the C-shaped support frame are formed by welding steel plates in sequence.

9. A method for correcting plane deformation of a steel structure roof pier, characterized in that: Using the device for correcting plane deformation of a steel structure roof pier according to any one of claims 1 to 8, the method comprises: Step S1, aligning the ejection part of the jack on the C-shaped support frame with the corresponding area of ​​the base where the upper part of the plane of the steel structure roof pier at the deformed and bent part that needs to be corrected contacts; Step S2, operating the manual rocker of the jack to press down, so that the ejection part of the jack slowly descends, applying pressure to the corresponding area of ​​the base, observing the rebound of the deformed and bent part of the plane of the steel structure roof pier contacted by the lower arm, and gradually operating the rocker to apply pressure so that the deformed and bent part of the plane of the steel structure roof pier fits and is leveled with the base; Step S3, using a torque wrench, retighten the plane and base of the structural roof pier after being fitted and leveled by through bolts.

10. The method for correcting plane deformation of a steel structure roof pier according to claim 9, characterized in that: Step S2 includes: Based on the real-time stress feedback from the stress sensor on the C-type support frame, the pressure is gradually increased by a manual joystick, increasing by 0.5 MPa each time.

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