A building steel structure stress detection device

Abstract

The present application provides a stress detection device for building steel structures, which relates to the technical field of steel structure stress detection. It includes a fixed support member and an adjustable support member. A hydraulic push rod is arranged on one side of the fixed support member. The fixed support member includes a fixed column, an angle seat, a support seat, an adaptation seat, a first U-shaped seat, an angle plate, a support shaft, a first bearing, three top plates, three guiding sliding seats, a guiding sliding rod, a second spring, a connecting plate piece, a pressure sensor and a first spring. The adjustable support member includes a support column, a sliding column, a second U-shaped seat, two cushion columns, a shaft rod, a second bearing and a rolling sleeve. The technical key points are as follows: By making the hydraulic push rod control the first U-shaped seat to drive the adaptation seat to rotate inside the support seat under the support of the angle plate, and enabling the support column to control the sliding column to extend from the inside of the support column by means of a hydraulic cylinder, the steel member between the second U-shaped seat and the first U-shaped seat can be supported in most inclined states, which is convenient for the support steel member to bear the force applied from top to bottom.

Description

Technical Field

[0001] The present invention relates to the technical field of steel structure stress detection, and specifically, it is a steel structure stress detection device for buildings. Background Art

[0002] A steel structure is a structure composed of steel materials and is one of the main building structure types. A steel structure is mainly composed of steel beams, steel columns, steel trusses and other components made of sections and steel plates, and rust removal and rust prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing are adopted. Welds, bolts or rivets are usually used to connect between components or parts. Because of its light self-weight and simple construction, it is widely used in large factories, stadiums, super high-rise buildings, bridges and other fields. Steel structures are prone to rusting. Generally, steel structures need to be derusted, galvanized or painted, and need to be maintained regularly.

[0003] Stress widely exists inside steel structures. During the production and use of steel structures, stress detection methods are required to detect the surface stress of workpieces, so as to qualitatively and quantitatively analyze the stress. Stress detection can not only judge its quality, but also improve the process according to the stress distribution.

[0004] A patent document with the publication number CN115266379B, a steel structure stress detection device for buildings, installs the two ends of an I-beam on a first clamping assembly and a second clamping assembly respectively, and restricts the position of the I-beam through clamping blocks. Then, the operator adjusts the fixing frame to a vertical state or a horizontal state according to the detection requirements. When the fixing frame is adjusted to a vertical state, the vertical load of the I-beam can be simulated by controlling the first hydraulic expansion rod, and the horizontal load of the I-beam can be simulated by controlling the second hydraulic rod to detect the load state of the I-beam when used as a column; when the fixing frame is adjusted to a horizontal state, the vertical load of the I-beam can be simulated by controlling the second hydraulic expansion rod, and the horizontal load of the I-beam can be simulated by controlling the first hydraulic rod to detect the load state of the I-beam when used as a beam.

[0005] However, in the process of implementing the above technical solution, it is found that the above technical solution has the following technical problems:

[0006] When the steel structure stress detection device for buildings is in use, the I-beam is simulated into the horizontal and vertical states during use, and the actual use state is simulated by applying loads, so as to obtain the actual use stress situation. However, in the actual application process, because steel structures are often erected to an inclined state to support the construction of various main structures, it is difficult to comprehensively simulate the use state of steel structures, and there are certain limitations. Summary of the Invention

[0007] In order to overcome the limitations of existing building steel structure stress detection equipment, which often has difficulty in comprehensively simulating the usage state of steel structures because steel structures are often erected in an inclined state to support the construction of various main structures, the embodiment of the present application provides a building steel structure stress detection equipment. By enabling the hydraulic push rod to control the rotation of the first U-shaped seat and the adaptation seat inside the support seat under the support of the angle plate, and enabling the support column to control the sliding column to extend from the inside of the support column through the hydraulic cylinder, the steel member between the second U-shaped seat and the first U-shaped seat can be supported in most inclined states. During the process of the steel member being stressed from top to bottom, pressure is exerted on the three top plates at the bottom and one side of the adaptation seat. The top plates squeeze the two spring two through two guiding slide rods, two positioning sliding sleeves, and a connecting plate, and at the same time exert pressure on the pressure sensor through the connecting plate, facilitating the use of three pressure sensors to monitor the pressure and the direction of force.

[0008] When the steel member is transformed from a horizontal state to an inclined state, the rolling sleeve is sleeved outside the shaft rod and rolls on the inner wall at the bottom of the second movable strip groove. Based on the unchanged connection points between the steel member and the adaptation seat and the second U-shaped seat, the steel member pulls the support column to slide inside the first movable strip groove to adapt to the unchanged distance between the connection points of the steel member and the fixed support member and the adjustable support member, and still can be in any inclined state.

[0009] The technical solution adopted by the embodiment of the present application to solve its technical problems is:

[0010] A building steel structure stress detection equipment, including a fixed support member and an adjustable support member. The adjustable support member is arranged on one side of the fixed support member, and a bottom plate is jointly arranged between their bottoms;

[0011] Wherein, one end of the steel structure to be detected is erected on the top of the fixed support member, and the other end is erected on the top of the adjustable support member. A hydraulic push rod is arranged on one side of the fixed support member, and the hydraulic push rod controls the rotation of the connection point between the steel structure to be detected and the fixed support member. One end of the adjustable support member moves with the steel structure to be detected, rises to the top and rotates adaptively.

[0012] In a possible implementation manner, the fixed support member includes a fixed column. One end of the fixed column is assembled and connected with an angle seat. The inner side of the angle seat is assembled and connected with a support seat. The inner side of the support seat is rotatably connected with an adaptation seat. One side of the adaptation seat is assembled and connected with a first U-shaped seat through a processed section. One side in the middle of the fixed column is assembled and connected with an angle plate. The two ends of the hydraulic push rod are respectively assembled and connected between the angle plate and the first U-shaped seat. The other end of the fixed column is processed to the top of one end of the bottom plate.

[0013] In a possible implementation, a support shaft is connected in a nested manner inside the adaptor seat. On the outside of both ends of the support shaft, there are interference fits with bearing one. On the inner side of the support seat, there are three top plates. On the outer wall of the support seat, there are three guiding sliding seats. The three top plates and the three guiding sliding seats are arranged at equal intervals around the center of the adaptor seat. At both ends of the three top plates, there are guiding sliding rods connected in a nested manner. Outside the guiding sliding rods, there are spring two connected in a nested manner. Between one ends of two positioning sliding sleeves on the same side of a top plate, there is a connecting plate piece processed. On one side of the connecting plate piece, there is a pressure sensor. At one end of the pressure sensor, there is spring one. The positioning sliding sleeve is connected in a sliding manner inside the support seat and the guiding sliding seat. The connecting plate piece presses spring two on the surface of the guiding sliding seat. One end of the pressure sensor presses the guiding sliding seat inside the guiding sliding seat and is connected in a sliding manner inside the guiding sliding seat itself. The other end of the pressure sensor supports on the surface of one side of the connecting plate piece, making the surface of the other side of the connecting plate piece fit with the surface of one side of the top plate. The surface of the other side of the top plate supports on the arc surface of the adaptor seat.

[0014] In a possible implementation, inside the corner of the angle seat, there is a movable notch two processed. Inside both ends of the angle seat, there is a movable notch one processed. The three guiding sliding seats respectively correspond to the two movable notch ones and one movable notch two and are received inside them.

[0015] In a possible implementation, on the front and back of the support seat, there are sector grooves two and sector grooves one processed. The two sector grooves one are located inside the two sector grooves two. The two bearing ones are connected in a movable manner inside the two sector grooves two. Both ends of the support shaft are respectively connected in a movable manner inside the two sector grooves one.

[0016] In a possible implementation, the adjusting support member includes a support column. Inside the support column, there is a sliding column connected in a sliding manner. At one end of the sliding column, there is a U-shaped seat two connected in a hinged manner. On the front and back of the bottom of the support column, there are two cushion columns processed. At one end of the cushion column, there is a shaft rod processed.

[0017] In a possible implementation, inside the bottom plate, there are movable strip grooves one and movable strip grooves two processed. The movable strip grooves one and the movable strip grooves two are vertically staggered and communicate with each other in the middle. One end of the support column is connected in a movable manner inside the movable strip groove one. The shaft rods located on the front and back of the support column are connected in a movable manner inside the movable strip groove two.

[0018] In a possible implementation, on the outside of both ends of the four shaft rods, there are interference fits with bearing two. Outside the two bearing two, there is the same rolling sleeve sleeved. The rolling sleeve is connected in a rolling manner at the bottom inner wall of the movable strip groove two.

[0019] In a possible implementation, limit sliding grooves are machined inside both sides of the second U-shaped seat. A roller is slidably connected inside the limit sliding groove. A screw rod is arranged on one side of the roller. The screw rod is threadedly connected inside the second U-shaped seat and pushes the roller to extend from the inner side of the second U-shaped seat.

[0020] In a possible implementation, the rolling directions of the two rollers are the same. One side of the roller rolls in the long side direction of the steel member to be detected between the top of the adjusting support member and the fixed support member.

[0021] The beneficial effects of this application are as follows:

[0022] First, in this solution, by enabling the hydraulic push rod to control the first U-shaped seat to drive the adaptation seat to rotate inside the support seat under the support of the angle plate, and enabling the support column to control the sliding column to extend from the inside of the support column with the help of the hydraulic cylinder, the steel member between the second U-shaped seat and the first U-shaped seat can be supported in a vast majority of inclined states. During the process of the steel member being stressed from top to bottom, pressure is exerted on the three top plates at the bottom and one side of the adaptation seat. The top plates squeeze the two second springs through the two guiding slide rods, two positioning sliding sleeves, and the connecting plate piece. At the same time, pressure is exerted on the pressure sensor with the help of the connecting plate piece, which is convenient for monitoring the pressure and the stress direction by using the three pressure sensors.

[0023] Second, in this solution, when the steel member is converted from a horizontal state to an inclined state and the sliding column rises from the inside of the support column, the second U-shaped seat rotates around its hinge point with the sliding column due to its connection with the steel member. The roller can roll on the surface of the steel member, adapting to the distance between the connection points of the steel member with the fixed support member and the adjusting support member under the condition that the positions of the fixed support member and the adjusting support member remain unchanged.

[0024] Third, in this solution, when the steel member is converted from a horizontal state to an inclined state, the rolling sleeve is sleeved outside the shaft rod and rolls on the bottom inner wall of the second movable strip groove. Based on the unchanged connection points of the steel member with the adaptation seat and the second U-shaped seat, the steel member pulls the support column to slide inside the first movable strip groove to adapt to the unchanged distance between the connection points of the steel member with the fixed support member and the adjusting support member, and the steel member can still be in any inclined state. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a building steel structure stress detection device according to the present invention;

[0026] Figure 2 It is a schematic diagram of a building steel structure stress detection device according to the present invention in the use state;

[0027] Figure 3Schematic diagram of the structure of a fixing and supporting member of a building steel structure stress detection device according to the present invention;

[0028] Figure 4 A building steel structure stress detection device according to the present invention Figure 3 Enlarged schematic diagram of part B in;

[0029] Figure 5 Schematic diagram of the connection structure of the top plate and the second spring of a building steel structure stress detection device according to the present invention;

[0030] Figure 6 Schematic diagram of the structure of a support seat of a building steel structure stress detection device according to the present invention;

[0031] Figure 7 Cross-sectional view of a support seat of a building steel structure stress detection device according to the present invention;

[0032] Figure 8 Cross-sectional view of the second U-shaped seat of a building steel structure stress detection device according to the present invention;

[0033] Figure 9 Schematic diagram of the structure of a building steel structure stress detection device when the rolling sleeve and the support column are disconnected;

[0034] Figure 10 A building steel structure stress detection device according to the present invention Figure 2 Enlarged schematic diagram of part A in.

[0035] Reference numerals:

[0036] 1. Fixing and supporting member; 101. Fixed column; 102. Angle seat; 103. Support seat; 104. Adaptation seat; 105. First U-shaped seat; 106. First bearing; 107. Support shaft; 108. Positioning sliding sleeve; 109. Connecting plate; 110. Guide sliding rod; 111. Guide sliding seat; 112. Pressure sensor; 113. First spring; 114. Top plate; 115. Second spring;

[0037] 2. Limit sliding groove;

[0038] 3. Angle plate; 4. Hydraulic push rod;

[0039] 5. Adjusting support member; 501. Sliding column; 502. Support column; 503. Second U-shaped seat; 504. Roller; 505. Screw; 506. Pad column; 507. Shaft rod; 508. Second bearing; 509. Rolling sleeve;

[0040] 6. Bottom plate; 7. First movable strip groove; 8. Second movable strip groove; 9. First sector groove; 10. Second sector groove; 11. First movable slot opening; 12. Second movable slot opening. Detailed implementation manners

[0041] The technical solutions in the embodiments of the present application to solve the problems in the above-mentioned background technology are generally as follows:

[0042] Embodiment 1: This embodiment introduces the specific structure of a stress detection device for building steel structures. Specifically, refer to Figures 1 - 10 As shown in the figure, it includes a fixed support member 1 and an adjustable support member 5 arranged on one side of the fixed support member 1. A bottom plate 6 is jointly arranged between the bottoms of the fixed support member 1 and the adjustable support member 5, and a hydraulic push rod 4 is arranged on one side of the fixed support member 1;

[0043] As Figure 1 shown in the figure, the fixed support member 1 includes a fixed column 101. One end of the fixed column 101 is assembled and connected with an angle seat 102. The inner side of the angle seat 102 is assembled and connected with a support seat 103. The inner side of the support seat 103 is rotatably connected with an adaptor seat 104. One side of the adaptor seat 104 is assembled and connected with a U-shaped seat one 105 through a machined section surface. One side of the middle part of the fixed column 101 is assembled and connected with an angle plate 3;

[0044] Among them, by sleeving a support shaft 107 inside the adaptor seat 104 and interference-fitting bearings one 106 on the outer sides of both ends of the support shaft 107, the support shaft 107 can support the adaptor seat 104 to rotate inside the support seat 103;

[0045] As Figure 1 shown in the figure, the adjustable support member 5 includes a support column 502. A sliding column 501 is slidably connected inside the support column 502. (The power for movement can be provided by a hydraulic cylinder) One end of the sliding column 501 is hingedly connected with a U-shaped seat two 503. Two cushion columns 506 are machined on the front and back of the bottom of the support column 502, and a shaft rod 507 is machined at one end of the cushion column 506;

[0046] An active strip groove one 7 and an active strip groove two 8 are machined inside the bottom plate 6. The active strip groove one 7 and the active strip groove two 8 are vertically staggered and communicate with each other in the middle;

[0047] Among them, by movably connecting one end of the support column 502 inside the active strip groove one 7, and movably connecting the shaft rods 507 on the front and back of the support column 502 inside the active strip groove two 8. When interference-fitting bearings two 508 are simultaneously arranged on the outer sides of both ends of the four shaft rods 507, and the same rolling sleeve 509 is sleeved outside the two bearings two 508, the rolling sleeve 509 can be rotatably connected to the inner wall of the bottom of the active strip groove two 8, reducing the resistance when the support column 502 moves inside the active strip groove one 7;

[0048] Secondly, by making the two ends of the hydraulic push rod 4 respectively assembled and connected between the angle plate 3 and the U-shaped seat 105, one end of the fixed column 101 is processed to the top of one end of the base plate 6. When one end of the steel structure to be inspected is erected on the top of the fixed support 1, and the other end is erected on the top of the adjustable support 5, the hydraulic push rod 4 can be used to control the rotation of the connection point between the steel structure to be inspected and the fixed support 1, so that one end of the adjustable support 5 moves with the steel structure to be inspected, rises to the top and rotates adaptively.

[0049] Embodiment 2: Based on Embodiment 1, this embodiment introduces the specific structure of the support base 103, such as Figures 1 - 7 As shown, three top plates 114 are arranged on the inner side of the support seat 103, three guide slide seats 111 are processed on the outer wall of the support seat 103, the surfaces at both ends of the three top plates 114 are sleeve-connected with guide slide bars 110, the outer side of the guide slide bars 110 is sleeve-connected with spring 2 115, and a connecting plate 109 is processed between one end of two positioning slide sleeves 108 on one side of the same top plate 114;

[0050] Among them, the three top plates 114 and the three guide slides 111 are arranged at equal intervals around the center of the adaptive seat 104, and the positioning sleeve 108 is slidably connected to the inside of the support seat 103 and the guide slide 111. When the steel member to be detected is at the top of the fixed support member 1 and the adjustment support member 5 and is subjected to pressure from the top to the bottom, the connecting plate 109 presses the spring 2 115 on the surface of the guide slide 111, so that the surface on one side of the connecting plate 109 fits with the surface on one side of the top plate 114, and the surface on one side of the top plate 114 is supported on the arc surface of the adaptive seat 104, which can reduce the stress on the detection bracket when the steel member to be detected is under pressure (in this state, the stress is mainly borne by the multiple springs 2 115, the hydraulic oil inside the hydraulic push rod 4, and the hydraulic cylinder set between the support column 502 and the sliding column 501);

[0051] At the same time, a pressure sensor 112 is provided on one side of the connecting plate 109 (the transmission line on the pressure sensor 112 passes through the inside of the guide slide 111, and the pressure sensor 112 adopts the well-known technology in the art, and applies matching parts and using methods), and a spring 113 is provided on one end of the pressure sensor 112. By making one end of the pressure sensor 112 supported on the surface of one side of the connecting plate 109, the pressure sensor 112 is driven by the top plate 114 to press the guide slide 111 inside the guide slide 111 at one end, and the pressure sensor 112 itself is slidably connected to the inside of the guide slide 111, and the actual pressure and force direction of the steel member to be detected under the pressure state can be monitored with the help of the pressure sensor 112;

[0052] Secondly, to ensure that the positioning sliding sleeve 108 and the guiding sliding rod 110 can move inside the angle seat 102 during movement without affecting the connection and fixation of the support seat 103 and the angle seat 102, as Figure 4 and Figure 7 shown, an inner movable notch two 12 is machined at the corner of the angle seat 102, and inner movable notches one 11 are machined at both ends of the angle seat 102. By making the three guiding sliding seats 111 correspond to the two movable notches one 11 and one movable notch two 12 respectively and being received therein, support can be provided for the connection between the support seat 103 and the angle seat 102;

[0053] Furthermore, to enable the support shaft 107 and the bearing one 106 to move when the adaptor seat 104 moves inside the support seat 103, as Figure 4 and Figure 6 shown, fan-shaped notches two 10 and fan-shaped notches one 9 are machined on the front and back of the support seat 103. By making the two fan-shaped notches one 9 located inside the two fan-shaped notches two 10, the two bearings one 106 are movably connected inside the two fan-shaped notches two 10, and the two ends of the support shaft 107 are respectively movably connected inside the two fan-shaped notches one 9. When the adaptor seat 104 moves inside the support seat 103, interference between the support shaft 107, the bearing one 106 and the support seat 103 can be avoided.

[0054] Embodiment 3: Based on Embodiment 1 and Embodiment 2, this embodiment introduces the specific structure of the U-shaped seat two 503, as Figure 1 、 Figure 2 and Figure 8 shown, inner limiting sliding grooves 2 are machined on both sides of the U-shaped seat two 503, a roller 504 is slidably connected inside the limiting sliding groove 2, and a screw rod 505 is arranged on one side of the roller 504;

[0055] Among them, by threadedly connecting the screw rod 505 inside the U-shaped seat two 503 and pushing the roller 504 to extend from the inner side of the U-shaped seat two 503, the steel member to be detected placed on the tops of the fixed support member 1 and the adjusting support member 5 can be clamped and fixed;

[0056] Secondly, by making the rolling directions of the two rollers 504 the same, when the screw rod 505 is used to push the roller 504 to clamp and fix the steel member, it does not affect the rolling of one side of the roller 504 in the long side direction of the steel member to be detected between the adjusting support member 5 and the top of the fixed support member 1, ensuring that the hydraulic push rod 4 controls the up and down movement of the U-shaped seat one 105 and enabling the adaptor seat 104 to rotate inside the support seat 103 without being affected by the distance change between the U-shaped seat two 503 and the U-shaped seat one 105 due to the conversion of the steel member from a horizontal state to an inclined state.

[0057] Specifically, when using the building steel structure stress detection equipment to detect steel components:

[0058] First, insert one end of the steel structure into the interior of the U-shaped seat 105, and install the other end of the steel structure into the interior of the U-shaped seat 2 503, keep the steel structure in a horizontal state, adjust the threaded connection between the screw rod 505 and the U-shaped seat 2 503, push the roller 504 to slide inside the U-shaped seat 2 503, and extend it from the interior of the U-shaped seat 2 503 to clamp and fix the steel structure;

[0059] In this state, the detection pressure is applied from the top to the bottom. The adaptable seat 104 is connected to the U-shaped seat 105 and the steel member, so the top plate 114 directly below the adaptable seat 104 is pressed toward the bottom. The top plate 114 is inside the two positioning sleeves 108 through the two guide slide bars 110, and uses the connecting plate 109 to squeeze the two springs 115, and uses the connecting plate 109 to press the pressure sensor 112, so that the spring 113 is compressed (the pressure sensor 112 can monitor the pressure state of the steel member in this state);

[0060] At the same time, the support shaft 107 located inside the adapting seat 104 moves inside the fan-shaped groove 1 9, and the bearings 106 at both ends of the support shaft 107 move in the fan-shaped groove 2 10, which can satisfy the state that the adapting seat 104 moves inside the supporting seat 103 and applies pressure to the top plate 114;

[0061] Then, the hydraulic push rod 4 is started, so that the hydraulic push rod 4 controls the U-shaped seat 105 to drive the adapting seat 104 to rotate inside the supporting seat 103 under the support of the angle plate 3, and the supporting column 502 can control the sliding column 501 to extend from the inside of the supporting column 502 by setting a hydraulic cylinder inside it, so as to support the steel member between the U-shaped seat 2 503 and the U-shaped seat 105 in most of the tilted states (and for the stress detection in the axial direction of the steel member, one end of the steel member is removed from the inside of the U-shaped seat 105 to keep the steel member When the steel member is connected and fixed to the U-shaped seat 2 503, the U-shaped seat 2 503 is rotated around the sliding column 501 and is in a vertical state. When one end of the steel member is in contact with the top of the bottom plate 6, pressure can be applied from the top to the bottom to make the steel member bear force) to simulate the actual use state. During this process, the sliding column 501 rises from the inside of the supporting column 502, and the U-shaped seat 2 503 rotates around the hinge point between the sliding column 501 and the steel member. As the steel member switches from a horizontal state to an inclined state, the roller 504 rolls on the surface of the steel member.

[0062] In this state, a detection pressure is applied from top to bottom to press three top plates 114 at the bottom and one side of the adaptor seat 104. The top plates 114 are inside two positioning sliding sleeves 108 through two guiding sliding rods 110. The connecting plate 109 squeezes two second springs 115, and presses the pressure sensors 112 by means of the connecting plate 109, so that the first spring 113 is compressed, thereby monitoring the pressure and the force direction by using three pressure sensors 112.

[0063] It should be noted that: when the steel member switches from the horizontal state to the inclined state, the roller 504 rolls on the surface of the steel member, which can be replaced by a rolling sleeve 509 sleeved outside the shaft rod 507 (a second bearing 508 is sleeved outside the shaft rod 507 first, abuts against one side of the cushion column 506. After one end of the rolling sleeve 509 is sleeved outside a second bearing 508, another second bearing 508 is sleeved between the rolling sleeve 509 and the shaft rod 507), and rolls on the inner wall of the bottom of the movable strip groove 2. Based on the unchanged connection points of the steel member with the adaptor seat 104 and the second U-shaped seat 503, when the steel member is inclined (becomes the hypotenuse of a triangle, pulling the support column 502 closer to the fixed column 101), the support column 502 slides inside the movable strip groove 1, while the rolling sleeve 509 rolls on the inner wall of the bottom of the movable strip groove 2 to adapt to the change of the inclined state of the steel member.

[0064] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly explaining the present invention, rather than limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A building steel structure stress detection device, characterized in that: include: A fixed support member (1); An adjusting support member (5) is arranged on one side of the fixing support member (1), and a bottom plate (6) is arranged between the bottoms of the two members; One end of the steel structure to be inspected is mounted on the top of the fixed support (1), and the other end is mounted on the top of the adjustable support (5); a hydraulic push rod (4) is provided on one side of the fixed support (1); the hydraulic push rod (4) controls the rotation of the connection point between the steel structure to be inspected and the fixed support (1); one end of the adjustable support (5) moves with the steel structure to be inspected, rises toward the top and rotates adaptively; The fixed support member (1) comprises a fixed column (101), one end of the fixed column (101) is assembled and connected to an angle seat (102), the inner side of the angle seat (102) is assembled and connected to a support seat (103), the inner side of the support seat (103) is rotatably connected to an adaptable seat (104), and one side of the adaptable seat (104) is assembled and connected to a U-shaped seat A (105) through a machined cut surface; One side of the middle of the fixed column (101) is assembled and connected with a corner plate (3), two ends of the hydraulic push rod (4) are respectively assembled and connected between the corner plate (3) and the U-shaped seat A (105), and the other end of the fixed column (101) is processed to the top of one end of the bottom plate (6); The adapting seat (104) is sleeve-connected with a support shaft (107) inside, and both ends of the support shaft (107) are interference-fitted with bearings A (106) outside, and three top plates (114) are arranged on the inner side of the support seat (103), and three guide slide seats (111) are processed on the outer wall of the support seat (103), and the three top plates (114) and the three guide slide seats (111) are arranged at equal intervals around the center of the adapting seat (104); The surfaces at both ends of the three top plates (114) are sleeve-connected with guide slide bars (110), the outer portion of the guide slide bars (110) is sleeve-connected with a spring B (115), a connecting plate (109) is processed between one end of two positioning sleeves (108) on one side of the same top plate (114), a pressure sensor (112) is provided on one side of the connecting plate (109), and a spring A (113) is provided at one end of the pressure sensor (112); The positioning sleeve (108) is slidably connected inside the support seat (103) and the guide slide seat (111); the connecting plate (109) presses the spring B (115) against the surface of the guide slide seat (111); one end of the pressure sensor (112) presses the guide slide seat (111) against the inside of the guide slide seat (111), and the pressure sensor (112) is slidably connected inside the guide slide seat (111); the other end of the pressure sensor (112) is supported on the surface of one side of the connecting plate (109), so that the surface of the other side of the connecting plate (109) is in contact with the surface of one side of the top plate (114); and the surface of the other side of the top plate (114) is supported on the arc surface of the adaption seat (104); The adjustment support member (5) comprises a support column (502), the interior of the support column (502) is slidably connected to a sliding column (501), one end of the sliding column (501) is hingedly connected to a U-shaped seat B (503), and two cushion columns (506) are processed on the front and back sides of the bottom of the support column (502), and one end of the cushion column (506) is processed with a shaft rod (507).

2. A building steel structure stress detection device as claimed in claim 1, characterized in that: A movable notch C (12) is machined inside the corner of the corner seat (102), and movable notches B (11) are machined inside both ends of the corner seat (102). The three guide slide seats (111) correspond to the two movable notches B (11) and the one movable notch C (12) respectively, and are accommodated inside them.

3. A building steel structure stress detection device as claimed in claim 1, characterized in that: The front and back surfaces of the support seat (103) are both machined with a fan-shaped groove B (10) and a fan-shaped groove A (9), the two fan-shaped grooves A (9) are located on the inner sides of the two fan-shaped grooves B (10), the two bearings A (106) are movably connected inside the two fan-shaped grooves B (10), and the two ends of the support shaft (107) are movably connected inside the two fan-shaped grooves A (9).

4. A building steel structure stress detection device as claimed in claim 1, characterized in that: The bottom plate (6) is processed with a movable groove A (7) and a movable groove B (8) inside. The movable groove A (7) and the movable groove B (8) are vertically staggered and interconnected in the middle. One end of the support column (502) is movably connected to the inside of the movable groove A (7), and the shaft rod (507) located on the front and back sides of the support column (502) is movably connected to the inside of the movable groove B (8).

5. A building steel structure stress detection device as claimed in claim 4, characterized in that: The outer ends of the four shaft rods (507) are interference-fitted with bearings B (508), and the outer parts of two bearings B (508) are sleeved with the same rolling sleeve (509), which is rollingly connected to the bottom inner wall of the movable strip groove B (8).

6. A building steel structure stress detection device as claimed in claim 1, characterized in that: Limiting grooves (2) are machined inside both sides of the U-shaped seat B (503), and a roller (504) is slidably connected inside the limiting groove (2). A screw (505) is provided on one side of the roller (504), and the screw (505) is threadedly connected inside the U-shaped seat B (503) and pushes the roller (504) to extend out from the inner side of the U-shaped seat B (503).

7. A building steel structure stress detection device as claimed in claim 6, characterized in that: The two rollers (504) roll in the same direction, and one side of the roller (504) rolls in the long side direction of the steel component to be inspected between the adjusting support member (5) and the top of the fixing support member (1).

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