Fastening detection device for steel structure engineering

Abstract

The invention provides a fastening detection device for steel structure engineering, and relates to the technical field of material testing, the fastening detection device comprises a detection device body, the detection device body comprises a detection frame, a support clamp, a pressurization mechanism and a pressure applying mechanism, a driving mechanism is inserted in the middle of the detection frame, and the driving mechanism comprises a motor and a driving shaft. A supporting clamp is embedded in the top end of the detection frame, a back plate is welded to the rear end of the detection frame, a sliding assembly is connected to the surface of the back plate in a threaded mode, a pressurizing mechanism is inserted in the bottom of the sliding assembly, and a pressure applying mechanism is installed at the bottom of the pressurizing mechanism. The purpose of mobile detection is achieved, the efficiency in a multi-point measurement task is improved, the test process of workpiece overturning and alternating stress application can be rapidly carried out, meanwhile, the installation position of a steel structure can be positioned, and the problem that the steel structure to be detected slides is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material testing, in particular to a fastening detection device for steel structure engineering. BACKGROUND

[0002] The force received by the steel structure in actual application is not only in the vertical direction, but also in the horizontal direction. Through fastening detection, it can be ensured that the connecting part is still firm under the condition of multi-directional stress of the steel structure, and the safety hidden danger of the whole structure caused by local fastening failure is prevented, and the fastening quality of the connecting part directly affects whether the whole engineering meets the design standard. Detection can verify whether the fastening degree of the steel structure meets the design bearing capacity and use requirement, and ensure the engineering quality.

[0003] In the prior art, when testing the fastening strength of the plate member used in steel structure engineering, the to-be-tested plate is directly placed on the top of the hydraulic equipment, and the fastening strength of the welded or screwed area is detected by providing fixed pressure, but in actual application, the pressure position of the steel member is not fixed, therefore, in order to simulate the pressure process of different areas, it is necessary to frequently change the test position of the to-be-tested workpiece, which leads to complicated process steps of multiple tests, and the time is spent more, and the workpiece clamping process is time-consuming and laborious. SUMMARY

[0004] In view of the defects in the prior art, the present application aims to provide a fastening detection device for steel structure engineering to solve the problems in the background art. The present application applies downward pressure during sliding to detect the fastening of the steel structure, achieves the purpose of moving detection, improves the efficiency in multi-point measurement tasks, and can quickly flip the workpiece and perform the test process of alternating stress application. At the same time, the installation position of the steel structure can also be positioned to avoid the problem of sliding of the to-be-tested steel structure.

[0005] In order to achieve the above object, the present application is realized by the following technical scheme: A fastening detection device for steel structure engineering, comprising a detection device body, the detection device body comprises a detection frame, a support clamp, a pressure increasing mechanism and a pressure applying mechanism, a driving mechanism is inserted in the middle of the detection frame, the driving mechanism comprises a motor and a driving shaft, a support clamp is embedded at the top end of the detection frame, a back plate is welded at the rear end of the detection frame, a sliding assembly is screwed on the surface of the back plate, a pressure increasing mechanism is inserted at the bottom of the sliding assembly, a pressure applying mechanism is installed at the bottom of the pressure increasing mechanism, a hydraulic rod is connected at one end of the pressure applying mechanism, a base is installed at the side of the hydraulic rod, the end of the base is welded on the surface of the back plate, a clamping groove is formed in the inner side of the support clamp, the clamping groove is in overall rectangular structure, the support clamp is used for placing and supporting the steel structure to be measured, a pressing wheel is installed at the bottom of the pressure applying mechanism, the bottom of the pressing wheel is used for abutting against the surface of the steel structure to be measured.

[0006] Further, the sliding assembly comprises a supporting plate and a locking plate, a sliding groove is formed in the surface of the supporting plate, a locking hole is formed in the middle of the locking plate, and the supporting plate and the locking plate are parallel to each other and at the same horizontal height.

[0007] Further, the pressure increasing mechanism comprises a sliding plate, a lifting plate and a spring, a sliding block is integrally formed at the bottom of the sliding plate, a stand is welded at the bottom of the sliding plate, the surface of the stand is sleeved with a spring, and the stand passes through the surface of the lifting plate.

[0008] Further, the sliding plate is pressed on the surface of the supporting plate and the locking plate, the sliding block is used for being embedded in the inside of the sliding groove, the surface of the sliding plate is inserted with a threaded column, the bottom end of the threaded column is embedded in the surface of the lifting plate through a bearing, and the top end of the spring is welded and fixed with the bottom of the lifting plate.

[0009] Further, the pressure applying mechanism comprises a fixed butt joint column, a movable butt joint column and a pressing wheel, an end plate is integrally formed at the top of the fixed butt joint column, the side of the fixed butt joint column is connected with the top end of the movable butt joint column through a rotating shaft, and a connecting plate is welded at the side of the fixed butt joint column.

[0010] Further, a bolt is inserted at the bottom of the connecting plate, the movable butt joint column is locked by the fixed butt joint column after the bolt passes through the connecting plate, the bottom of the stand passes downward from the surface of the end plate, and the bottom end of the spring is welded on the surface of the end plate.

[0011] Further, the inner side of the active connecting column is provided with a supporting column, the middle of the supporting column is integrally formed with a linkage push plate, the end of the hydraulic rod is screwed with a pull rod, the end of the pull rod passes through the inner side of the linkage push plate, and the bottom of the linkage push plate is provided with a gap with the top end of the pressing wheel.

[0012] Further, the side of the detection frame is welded with an extension frame, the surface of the extension frame is screwed with a motor, the output end of the motor is inserted with a driving shaft, the surface of the driving shaft is keyed with a driving gear, and the top of the detection frame is integrally formed with a supporting ring.

[0013] Further, the supporting clamp comprises a rotating sleeve ring, a convex ring and a positioning plate, the convex ring is integrally formed at the edge of the rotating sleeve ring and is embedded into the inside of the supporting ring, the side of the rotating sleeve ring is integrally formed with a driven gear, the bottom of the supporting ring is provided with a hole, and the top of the driving gear passes upwardly from the hole in the bottom of the supporting ring and is engaged with the driven gear.

[0014] Further, the rotating sleeve ring is pressed on the inner wall of the supporting ring, the middle of the rotating sleeve ring is provided with a clamping groove, the inside of the clamping groove is installed with the positioning plate, one side of the positioning plate is installed with a guide column, and the other side of the positioning plate is attached with an adhesive layer.

[0015] The beneficial effects of the present application are as follows: 1. The device for steel structure engineering fastening detection applies downward pressure in the sliding process to detect the fastening of the steel structure, achieves the purpose of mobile detection, can apply pressure to the surface of the steel structure at different positions in a short time to complete the test purpose of the fastening point, and the pressure applied in the moving process is constant, thereby improving the efficiency in the multi-point measurement task.

[0016] 2. The device for steel structure engineering fastening detection can quickly perform steel structure overturning and alternating stress application test process, can also switch and control the pressure application state of the pressure application mechanism, avoids blocking the overturning process of the bottom steel structure, and can always provide pressure for detection to the fixed position after overturning.

[0017] 3. The device for steel structure engineering fastening detection directly inserts the two ends of the workpiece into the inside of the supporting clamp, and then fixes the two ends of the steel structure to be tested by means of the positioning plate and the adhesive layer, avoids sliding in the subsequent overturning or mobile detection process, and can also be suitable for steel structures of different thicknesses for detection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the appearance of the device for steel structure engineering fastening detection. Figure 2The connection diagram of the pressing mechanism part of the application; Figure 3 The structural diagram of the sliding assembly part of the application; Figure 4 The installation diagram of the pressure increasing mechanism part of the application; Figure 5 The structural diagram of the pressing mechanism part of the application; Figure 6 The structural diagram of the driving mechanism part of the application; Figure 7 The exploded view of the support clamp of the application; In the figure: 1, detection frame; 2, driving mechanism; 3, support clamp; 4, pressure increasing mechanism; 5, sliding assembly; 6, pressing mechanism; 7, base; 8, hydraulic rod; 9, pull rod; 10, back plate; 11, supporting plate; 12, locking plate; 13, sliding groove; 14, locking hole; 15, sliding plate; 16, sliding block; 17, stand column; 18, lifting plate; 19, spring; 20, threaded column; 21, end plate; 22, fixed butt joint column; 23, movable butt joint column; 24, rotating shaft; 25, connecting plate; 26, bolt; 27, support column; 28, linkage push plate; 29, pressing wheel; 30, extension frame; 31, motor; 32, driving shaft; 33, driving gear; 34, supporting ring; 35, rotating sleeve ring; 36, convex ring; 37, driven gear; 38, clamping groove; 39, positioning plate; 40, adhesive layer; 41, guide column. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application is further described below in combination with specific embodiments.

[0020] Please refer to Figures 1 to 7The application provides the following technical scheme: a fastening detection device for steel structure engineering, which comprises a detection device body, the detection device body comprises a detection frame 1, a support clamp 3, a pressure boosting mechanism 4 and a pressure applying mechanism 6, a driving mechanism 2 is inserted in the middle of the detection frame 1, the driving mechanism 2 comprises a motor 31 and a driving shaft 32, the support clamp 3 is embedded at the top end of the detection frame 1, a back plate 10 is welded at the rear end of the detection frame 1, a sliding assembly 5 is screwed on the surface of the back plate 10, the pressure boosting mechanism 4 is inserted at the bottom of the sliding assembly 5, the pressure applying mechanism 6 is installed at the bottom of the pressure boosting mechanism 4, one end of the pressure applying mechanism 6 is connected with a hydraulic rod 8, the base 7 is installed on the side of the hydraulic rod 8, the end of the base 7 is welded on the surface of the back plate 10, a clamping groove 38 is formed in the inner side of the support clamp 3, the clamping groove 38 is in overall rectangular structure, the support clamp 3 is used for placing and supporting the steel structure to be detected, the pressure applying mechanism 6 is installed with a pressing wheel 29 at the bottom, the bottom of the pressing wheel 29 is used for abutting against the surface of the steel structure to be detected. The detection device is used for testing the fastening area strength of the steel structure plate, and the test items include the bending resistance performance under pressure and the fatigue resistance performance after alternating stress.

[0021] When the application is used, the two ends of the steel structure plate to be detected are directly embedded into the inside of the support clamp 3, the positioning and supporting effect of the two ends of the steel structure plate is provided by the support clamp 3, then the subsequent detection process can be carried out through the top sliding assembly 5, the pressure boosting mechanism 4 and the applying mechanism, when the bending resistance performance under pressure of the steel structure plate is tested, the locking effect between the pressure boosting mechanism 4 and the pressure applying mechanism 6 is released, the position of the lower pressure boosting mechanism 4 in the sliding assembly 5 is not fixed, and in this state, the hydraulic rod 8 is started, the whole sliding seat, the pressure boosting mechanism 4 and the pressure applying mechanism 6 are controlled to move, finally the fixed pressure is applied to the lower steel structure plate and the point of the pressure applying pressure can be continuously changed during the movement. When the fatigue resistance performance after alternating stress is tested, the pressure boosting mechanism 4 and the pressure applying mechanism 6 are locked, the position of the lower pressure boosting mechanism 4 in the sliding assembly 5 is fixed, then the hydraulic rod 8 is used for periodic contraction and expansion, the pressure is periodically applied to the bottom, and the steel structure plate is driven to rotate by the driving mechanism 2 during the periodic operation process, so that the pressure applying direction can be changed.

[0022] The sliding assembly 5 comprises a supporting plate 11 and a locking plate 12, the surface of the supporting plate 11 is provided with a sliding groove 13, the middle of the locking plate 12 is provided with a locking hole 14, and the supporting plate 11 and the locking plate 12 are parallel to each other and at the same horizontal height. The booster mechanism 4 comprises a sliding plate 15, a lifting plate 18 and a spring 19, the bottom of the sliding plate 15 is integrally formed with a sliding block 16, the bottom of the sliding plate 15 is welded with a stand column 17, the surface of the stand column 17 is sleeved with the spring 19, and the stand column 17 penetrates the surface of the lifting plate 18. The sliding plate 15 is pressed on the surface of the supporting plate 11 and the locking plate 12, the sliding block 16 is used for embedding into the inside of the sliding groove 13, the surface of the sliding plate 15 is inserted with a threaded column 20, the bottom end of the threaded column 20 is embedded into the surface of the lifting plate 18 through a bearing, and the top end of the spring 19 is welded and fixed with the bottom of the lifting plate 18. The downward pressure is applied during the sliding process to detect the fastening of the steel structure, and the purpose of movement detection is achieved, so that the pressure can be applied to the steel structure surface at different positions in a short time to complete the test purpose of the fastening point, and the pressure applied during the movement is constant, which improves the efficiency in the multi-point measurement task.

[0023] Specifically, in the booster mechanism 4 at the bottom, the sliding plate 15 at the top is directly moved along the sliding assembly 5, in the process, the sliding block 16 is embedded into the inside of the sliding groove 13, and the sliding plate 15 is moved along the surface of the supporting plate 11, so that the pressure applying point of the booster mechanism 6 at the bottom on the surface of the steel structure plate can be changed, and if the middle of the sliding plate 15 is fixed in the inside of the locking hole 14 through a bolt, the entire sliding assembly 5 can be fixed, at this time, after being locked by the bolt 26 in the booster mechanism 6, the translational movement of the booster mechanism 6 is no longer controlled, but the rotational movement of the booster mechanism 6 is controlled.

[0024] The pressure applying mechanism 6 comprises a fixed butt joint column 22, a movable butt joint column 23 and a pressing wheel 29. The top of the fixed butt joint column 22 is integrally formed with an end plate 21. The side of the fixed butt joint column 22 is connected with the top end of the movable butt joint column 23 through a rotating shaft 24. The side of the fixed butt joint column 22 is welded with a connecting plate 25. The bottom of the connecting plate 25 is inserted with a bolt 26. The movable butt joint column 23 is locked by the fixed butt joint column 22 through the bolt 26 penetrating the connecting plate 25. The bottom of the stand column 17 penetrates from the surface of the end plate 21 downward. The bottom end of the spring 19 is welded on the surface of the end plate 21. The inner side of the movable butt joint column 23 is inserted with a support column 27. The middle of the support column 27 is integrally formed with a linkage push plate 28. The end of the hydraulic rod 8 is screwed with a pull rod 9. The end of the pull rod 9 penetrates from the inner side of the linkage push plate 28. The bottom of the linkage push plate 28 is provided with a gap with the top end of the pressing wheel 29. The steel structure can be quickly turned over. The test process of alternating stress application can be carried out. The pressure applying state of the pressure applying mechanism 6 can be switched and controlled. The bottom steel structure is prevented from being blocked during the turning over process. The detection pressure can be always provided to the fixed position after the turning over.

[0025] Specifically, the lifting plate 18 can be controlled to move up and down by rotating the threaded column 20 at the top. The spring 19 below can be pulled or compressed by the lifting effect of the lifting plate 18. The force of the bottom pressure applying mechanism 6 can be controlled to press downward. The force is controlled by the threaded column 20. The pressing wheel 29 at the bottom can always apply fixed detection pressure on the surface of the steel structure plate. The fixed butt joint column 22 and the movable butt joint column 23 can be locked as a whole by inserting the bolt 26 through the connecting plate 25 and then into the movable butt joint column 23. The entire pressure applying mechanism 6 can be directly controlled to move horizontally by the linkage push plate 28 by starting the hydraulic rod 8 to move forward and backward. The pressure point of the pressing wheel 29 below on the steel structure plate can be changed. If the bolt 26 is taken out of the connecting plate 25 and the top sliding assembly 5 is inserted into the locking hole 14 of the sliding plate 15 by using bolts, the hydraulic rod 8 can be controlled to contract. The linkage push plate 28 can be pulled to rotate. The entire pressure applying mechanism 6 can be rotated by cooperating with the support column 27. The pressing wheel 29 at the bottom can be lifted up. The driving mechanism 2 at the bottom can be started after being lifted up. The steel structure plate can be controlled to move over. The hydraulic rod 8 can be controlled to extend after the steel structure plate is turned over. The downward pressure can be applied again from the top surface of the steel structure plate after being turned over.

[0026] The side of the detection frame 1 is welded with an extension frame 30, the surface of the extension frame 30 is screwed with a motor 31, the output end of the motor 31 is inserted with a driving shaft 32, the surface of the driving shaft 32 is keyed with a driving gear 33, and the top of the detection frame 1 is integrally formed with a supporting ring 34. The supporting clamp 3 comprises a rotating ring 35, a convex ring 36 and a positioning plate 39, the convex ring 36 is integrally formed at the edge of the rotating ring 35 and is embedded into the inside of the supporting ring 34, the side of the rotating ring 35 is integrally formed with a driven gear 37, the bottom of the supporting ring 34 is provided with a hole, and the top of the driving gear 33 passes through the hole in the bottom of the supporting ring 34 upwards and is engaged with the driven gear 37. The rotating ring 35 is pressed on the inner wall of the supporting ring 34, the middle of the rotating ring 35 is provided with a clamping groove 38, the inside of the clamping groove 38 is provided with the positioning plate 39, one side of the positioning plate 39 is provided with a guide column 41, and the other side of the positioning plate 39 is attached with an adhesive layer 40. After the two ends of the workpiece are directly inserted into the inside of the supporting clamp 3, the two ends of the steel structure to be detected can be fixed by means of the positioning plate 39 and the adhesive layer 40, so as to avoid sliding during subsequent overturning or moving detection, and the supporting clamp 3 can also be suitable for steel structures of different thicknesses for detection.

[0027] Specifically, after the two ends of the steel structure plate are embedded into the inside of the clamping groove 38, the positioning plate 39 is in contact with the surface of the steel structure plate, and the adhesive layer 40 is attached and fixed to the corresponding area of the surface of the steel structure plate. The adhesive layer 40 is used to avoid the transverse sliding of the steel structure plate, and the motor 31 drives the driving shaft 32 to rotate, and the driving gear 33 drives the driven gear 37 to rotate, so as to control the rotating ring 35 to rotate, and the rotating ring 35 drives the steel structure plate to overturn.

[0028] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application.

[0029] In addition, it should be understood that although the present application is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A fastening detection device for steel structure engineering, comprising a detection device body, characterized in that: The main body of the testing device includes a testing frame (1), a support clamp (3), a pressurizing mechanism (4), and a pressure applying mechanism (6). A driving mechanism (2) is inserted through the middle of the testing frame (1). The driving mechanism (2) includes a motor (31) and a drive shaft (32). The support clamp (3) is embedded at the top of the testing frame (1). A back plate (10) is welded to the rear end of the testing frame (1). A sliding assembly (5) is screwed onto the surface of the back plate (10). The pressurizing mechanism (4) is inserted into the bottom of the sliding assembly (5). The bottom of the pressurizing mechanism (4) The part is equipped with a pressure mechanism (6), one end of which is connected to a hydraulic rod (8). A base (7) is installed on the side of the hydraulic rod (8). The end of the base (7) is welded to the surface of the back plate (10). A clamping groove (38) is opened on the inner side of the support clamp (3). The clamping groove (38) is rectangular in shape. The support clamp (3) is used to place and support the steel structure to be tested. A pressing wheel (29) is installed at the bottom of the pressure mechanism (6). The bottom of the pressing wheel (29) is used to press against the surface of the steel structure to be tested.

2. The fastening detection device for steel structure engineering according to claim 1, characterized in that: The sliding assembly (5) includes a support plate (11) and a locking plate (12). The surface of the support plate (11) is provided with a sliding groove (13), and the locking plate (12) is provided with a locking hole (14) in the middle. The support plate (11) and the locking plate (12) are parallel to each other and are at the same horizontal level.

3. The fastening detection device for steel structure engineering according to claim 2, characterized in that: The pressurization mechanism (4) includes a sliding plate (15), a lifting plate (18) and a spring (19). The bottom of the sliding plate (15) is integrally formed with a slider (16). A column (17) is welded to the bottom of the sliding plate (15). The surface of the column (17) is fitted with a spring (19), and the column (17) passes through the surface of the lifting plate (18).

4. The fastening detection device for steel structure engineering according to claim 3, characterized in that: The sliding plate (15) is pressed against the surface of the support plate (11) and the locking plate (12). The slider (16) is used to be embedded in the interior of the groove (13). The surface of the sliding plate (15) is interspersed with threaded columns (20). The bottom end of the threaded column (20) is embedded in the surface of the lifting plate (18) through a bearing. The top end of the spring (19) is welded and fixed to the bottom of the lifting plate (18).

5. The fastening detection device for steel structure engineering according to claim 3, characterized in that: The pressure application mechanism (6) includes a fixed docking column (22), a movable docking column (23) and a pressing wheel (29). The top of the fixed docking column (22) is integrally formed with an end plate (21). The side of the fixed docking column (22) is connected to the top of the movable docking column (23) through a rotating shaft (24). The side of the fixed docking column (22) is welded with a connecting plate (25).

6. The fastening detection device for steel structure engineering according to claim 5, characterized in that: The bottom of the connecting plate (25) is fitted with a pin (26). The fixed docking column (22) uses the pin (26) to pass through the connecting plate (25) and locks the movable docking column (23). The bottom of the column (17) passes downward from the surface of the end plate (21). The bottom end of the spring (19) is welded to the surface of the end plate (21).

7. A fastening detection device for steel structure engineering according to claim 6, characterized in that: A support column (27) is inserted into the inner side of the movable docking column (23). A linkage push plate (28) is integrally formed in the middle of the support column (27). A pull rod (9) is screwed to the end of the hydraulic rod (8). The end of the pull rod (9) passes through the inner side of the linkage push plate (28). A gap is provided between the bottom of the linkage push plate (28) and the top of the pressing wheel (29).

8. A fastening detection device for steel structure engineering according to claim 5, characterized in that: The side of the testing frame (1) is welded with an extension frame (30), and a motor (31) is screwed onto the surface of the extension frame (30). A drive shaft (32) is inserted into the output end of the motor (31), and a drive gear (33) is keyed to the surface of the drive shaft (32). A support ring (34) is integrally formed on the top of the testing frame (1).

9. A fastening detection device for steel structure engineering according to claim 8, characterized in that: The support clamp (3) includes a rotating collar (35), a convex ring (36) and a positioning plate (39). The convex ring (36) is integrally formed at the edge of the rotating collar (35) and is embedded in the inside of the support ring (34). The rotating collar (35) has an integrally formed driven gear (37) on its side. The support ring (34) has a hole at its bottom. The top of the driving gear (33) passes upward through the hole at the bottom of the support ring (34) and meshes with the driven gear (37).

10. A fastening detection device for steel structure engineering according to claim 9, characterized in that: The rotating collar (35) is pressed against the inner wall of the support ring (34), and a clamping groove (38) is provided in the middle of the rotating collar (35). A positioning plate (39) is installed inside the clamping groove (38). A guide post (41) is installed on one side of the positioning plate (39), and an adhesive layer (40) is attached to the other side of the positioning plate (39).

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