Steel structure building anti-seismic detection device

Abstract

The utility model discloses a steel structure building anti -seismic detection device, including base, vibration unit, vibration unit includes the vibration board of sliding setting on the base and sets up the vibration source on the base, and vibration source output is connected with the vibration board, and vibration source is used for driving vibration board to produce the transverse wave vibration, places the unit, and the placement unit includes the placement board of rotation setting on the vibration board, and sets up the limiting component for limiting the rotation of placement board on the vibration board, and placement board is used for placing the steel structure body, and limiting component is used for limiting the rotation of placement board every time ninety degrees, through the vibration source drive of vibration unit sliding setting vibration board on the base produces the transverse wave vibration, and the placement board rotation of placement unit sets up on the vibration board, can make steel structure body in the same plane bears transverse wave vibration after, rotates the placement board ninety degrees and continues to bear longitudinal wave vibration, has broken through the limitation that traditional equipment can only simulate transverse wave in single horizontal direction, has promoted the practical value of detection result.

Description

Technical Field

[0001] This utility model relates to the field of building inspection equipment technology, specifically to a seismic inspection device for steel structure buildings. Background Technology

[0002] Steel structure buildings are widely used in modern architecture due to their high strength, light weight, and short construction period. However, the seismic performance of steel structure buildings is crucial in the event of natural disasters such as earthquakes. Therefore, it is necessary to test their seismic performance before construction. To ensure that the design drawings have sufficient seismic resistance after the building is completed, it is necessary to build a model before construction and test the seismic performance of the model, thus achieving the lowest-cost testing.

[0003] Currently, the commonly used seismic testing equipment is the vibration testing machine, which tests steel structure specimens by simulating earthquake vibrations. However, most vibration testing machines can only simulate the P-wave or S-wave vibrations caused by earthquakes. If P-wave and S-wave vibration test data are required, it needs to be done on two different machines, which is quite cumbersome. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a seismic testing device for steel structure buildings, so as to solve the problem that the existing vibration testing machine can only simulate the longitudinal or transverse wave vibrations caused by earthquakes.

[0005] According to an embodiment of this utility model, a seismic testing device for steel structure buildings includes a base, a vibration unit, the vibration unit including a vibration plate slidably disposed on the base and a vibration source disposed on the base, the output end of the vibration source being connected to the vibration plate, the vibration source being used to drive the vibration plate to generate transverse wave vibration; and a placement unit, the placement unit including a placement plate rotatably disposed on the vibration plate, and a limiting component disposed on the vibration plate to limit the rotation of the placement plate, the placement plate being used to place the steel structure body, and the limiting component being used to limit the placement plate to rotate 90 degrees each time.

[0006] Compared with existing technologies, this utility model has the following advantages: The vibration source of the vibration unit drives a vibrating plate slidably mounted on the base to generate transverse wave vibrations, while the placement plate of the placement unit is rotatably mounted on the vibrating plate. With the help of a limiting component, the placement plate can be restricted to rotating 90 degrees each time. This allows the steel structure to withstand transverse wave vibrations in the same plane, and then continue to withstand longitudinal wave vibrations after rotating the placement plate 90 degrees. This overcomes the limitation of traditional equipment that can only simulate transverse waves in a single horizontal direction, better reflecting the complex characteristics of transverse waves during actual earthquakes and enhancing the practical value of the test results. With the setting of the limiting component and the placement plate, the transverse and longitudinal wave vibration tests of the steel structure in the same horizontal plane can be completed on the same equipment, eliminating the need for frequent equipment changes or significant adjustments to the specimens. This reduces operation steps, shortens testing time, and improves the efficiency of obtaining transverse and longitudinal wave vibration test data.

[0007] Preferably, the vibrating plate has symmetrical grooves on its bottom side, and the base is slidably disposed in the corresponding grooves on both sides.

[0008] Preferably, a web is provided on the bottom side of the vibrating plate, a sink groove is provided on the base, the vibration source is located in the sink groove, and the output end of the vibration source is connected to the web.

[0009] Preferably, a rectangular plate is fixedly provided at the bottom of the placement plate, and a cylindrical seat is fixedly provided at the bottom of the rectangular plate. A circular groove is provided on the vibrating plate, the rectangular plate is located in the circular groove, and the cylindrical seat is rotatably connected to the bottom of the circular groove.

[0010] Preferably, the limiting component includes a limiting arm and a telescopic rod disposed at one end of the limiting arm. A storage groove is provided on the vibration plate, which is connected to a circular groove. Both the limiting arm and the telescopic rod are located in the storage groove. The limiting arm abuts against the side wall of the rectangular plate under the drive of the telescopic rod.

[0011] Preferably, a roller is provided at the end of the limiting arm away from the telescopic rod.

[0012] Preferably, the rectangular plate has arc-shaped surfaces at all four corners, and each arc-shaped surface is in contact with the sidewall of the circular groove.

[0013] Preferably, the top of the placement plate is also provided with multiple sets of clamping members for fixing the steel structure body, and each clamping member is used to fix the steel structure body.

[0014] Preferably, each clamping component includes a Z-shaped block and a fastening bolt rotatably disposed at one end of the Z-shaped block. Multiple sets of adjusting screw holes are evenly distributed on the top of the placement plate, and each fastening bolt is located in the corresponding adjusting screw hole.

[0015] Preferably, support legs are provided at all four corners of the bottom of the base. Attached Figure Description

[0016] Figure 1This is a three-dimensional structural diagram of an embodiment of the present utility model.

[0017] Figure 2 This is an exploded structural diagram of an embodiment of the present invention.

[0018] Figure 3 This is a full sectional view of the vibrating plate in an embodiment of this utility model.

[0019] Figure 4 This is a three-dimensional structural diagram of the limiting component in an embodiment of the present utility model.

[0020] Figure 5 This is a schematic diagram of the rotation of the rectangular plate in an embodiment of this utility model.

[0021] The reference numerals in the accompanying drawings include:

[0022] 10. Base; 11. Support legs; 12. Vibration source; 13. Settling tank;

[0023] 20. Vibrating plate; 21. Web plate; 22. Slide groove; 23. Circular groove; 24. Storage groove;

[0024] 30. Placement plate; 31. Adjustment screw hole; 32. Rectangular plate; 33. Cylindrical base; 34. Curved surface;

[0025] 40. Steel structure body;

[0026] 50. Z-block; 51. Fastening bolt;

[0027] 60. Telescopic pole;

[0028] 70. Limit arm; 71. Roller. Detailed Implementation

[0029] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0030] like Figures 1 to 5 As shown in the figure, this utility model embodiment proposes a seismic testing device for steel structure buildings, which includes a base 10, a vibration unit, the vibration unit including a vibration plate 20 slidably disposed on the base 10 and a vibration source 12 disposed on the base 10, the output end of the vibration source 12 being connected to the vibration plate 20, the vibration source 12 being used to drive the vibration plate 20 to generate transverse wave vibration; and a placement unit, the placement unit including a placement plate 30 rotatably disposed on the vibration plate 20, and a limiting component disposed on the vibration plate 20 for limiting the rotation of the placement plate 30, the placement plate 30 being used to place the steel structure body 40, and the limiting component being used to limit the placement plate 30 to rotate 90 degrees each time.

[0031] The detailed working process of this embodiment is as follows:

[0032] The vibration source 12 of the vibration unit drives the vibration plate 20, which is slidably mounted on the base 10, to generate transverse wave vibration. The placement plate 30 of the placement unit is rotatably mounted on the vibration plate 20. With the help of the limiting component, the placement plate 30 can be limited to rotate 90 degrees each time. This allows the steel structure body 40 to withstand transverse wave vibration in the same plane, and then continue to withstand longitudinal wave vibration after rotating the placement plate 30 90 degrees. This breaks through the limitation of traditional equipment that can only simulate transverse waves in a single horizontal direction, and is more in line with the complex characteristics of transverse waves during actual earthquakes, thus improving the practical value of the test results.

[0033] With the setting of the limiting component and the placement plate 30, the transverse and longitudinal wave vibration tests of the steel structure body 40 on the same horizontal plane can be completed on the same equipment. There is no need to frequently change equipment or make large adjustments to the test specimen, which reduces the operation steps, shortens the test time, and improves the efficiency of obtaining transverse and longitudinal wave vibration test data.

[0034] In the initial state, the steel structure body 40 is installed on the placement plate 30 for transverse wave vibration test. When the transverse wave vibration test is completed, the longitudinal wave vibration test is required. Simply rotate the placement plate 30 by 90 degrees, and the initial position of the steel structure body 40 changes by 90 degrees. At this time, the vibration wave generated by the drive is the longitudinal wave vibration relative to the steel structure body 40 in the initial state.

[0035] like Figure 2 As shown, the vibrating plate 20 has symmetrically opened grooves 22 on the bottom side, and the base 10 is slidably set in the corresponding grooves 22 on both sides.

[0036] The detailed working process of this embodiment is as follows: the sliding engagement between the groove 22 and the base 10 forms a clear guiding structure, which can limit the movement trajectory of the vibration plate 20 and ensure that it will not deviate or shake when it reciprocates in the horizontal direction. Stable reciprocating motion can reduce additional interference during the vibration process, making the simulation of transverse wave vibration more accurate and ensuring the reliability of the test data.

[0037] like Figure 2 As shown, a web plate 21 is provided on the bottom side of the vibration plate 20, a sink 13 is provided on the base 10, the vibration source 12 is located in the sink 13, and the output end of the vibration source 12 is connected to the web plate 21.

[0038] The detailed working process of this embodiment is as follows: the sink 13 provides installation space for the vibration source 12. Through the setting of the web plate 21, the power output by the vibration source 12 can be transmitted to the entire vibration plate 20 more evenly and stably, so that the vibration plate 20 generates transverse wave vibration.

[0039] In this embodiment, the vibration source 12 is a vibration testing machine, which provides transverse wave vibration to the vibration plate 20. In other embodiments, any vibration testing equipment that can provide transverse wave vibration to the vibration plate 20 and can be connected to the vibration plate 20 can be used as the vibration source 12. This embodiment only illustrates one implementation method.

[0040] like Figure 2 As shown, a rectangular plate 32 is fixedly installed at the bottom of the placement plate 30, and a cylindrical seat 33 is fixedly installed at the bottom of the rectangular plate 32. A circular groove 23 is opened on the vibration plate 20, the rectangular plate 32 is located in the circular groove 23, and the cylindrical seat 33 is rotatably connected to the bottom of the circular groove 23.

[0041] The detailed working process of this embodiment is as follows: With the cooperation of the cylindrical base 33 and the circular groove 23, the rotational connection between the bottom of the cylindrical base 33 and the circular groove 23 provides a stable rotation fulcrum for the placement plate 30, ensuring the stability of the placement plate 30 during rotation. At the same time, the rectangular plate 32 is located inside the circular groove 23, and the circular groove 23 forms a surrounding constraint on the rectangular plate 32, which can effectively limit the swaying of the placement plate 30 in the horizontal direction, making the rotation smoother, and avoiding collisions caused by swaying that affect the testing status of the steel structure specimen.

[0042] like Figure 3 As shown, the limiting assembly includes a limiting arm 70 and a telescopic rod 60 disposed at one end of the limiting arm 70. A storage groove 24 is provided on the vibration plate 20, and the storage groove 24 is connected to the circular groove 23. The limiting arm 70 and the telescopic rod 60 are both located in the storage groove 24. The limiting arm 70 abuts against the side wall of the rectangular plate 32 under the drive of the telescopic rod 60.

[0043] The detailed working process of this embodiment is as follows: Under the drive of the telescopic rod 60, the limiting arm 70 abuts against the side wall of the rectangular plate 32, and can effectively constrain the rectangular plate 32 through rigid contact. Since the rectangular plate 32 is a rectangular structure with its four side walls distributed at right angles, when the limiting arm 70 abuts against the side wall of the rectangular plate 32, it will limit the rectangular plate 32, prevent it from rotating, and ensure that the steel structure specimen can stably withstand transverse wave vibration in the set direction.

[0044] When a limit is needed, the telescopic rod 60 drives the limit arm 70 to extend and abut against the rectangular plate 32; when the rectangular plate 32 needs to be rotated, the telescopic rod 60 retracts and pulls back the limit arm 70, making the operation flexible and convenient.

[0045] like Figure 4 As shown, a roller 71 is provided at the end of the limiting arm 70 away from the telescopic rod 60.

[0046] The detailed working process of this embodiment is as follows: When it is necessary to rotate the placement plate 30 to adjust the angle, if the rotation angle of the placement plate 30 is less than 90 degrees, the limiting arm 70 extends and rigidly abuts against the side wall of the placement plate 30; with the setting of the roller 71, the roller 71 can form a rolling contact with the side wall of the rectangular plate 32, which can greatly reduce the frictional resistance between the two compared with the original rigid contact, and at the same time can push the rectangular plate 32, which has not been rotated to the working state, to the correct position (the working state is when the side wall of the rectangular plate 32 near the limiting arm 70 is parallel to the limiting arm 70).

[0047] like Figure 3 and Figure 5 As shown, each of the four corners of the rectangular plate 32 is provided with an arc-shaped surface 34, and each arc-shaped surface 34 is in contact with the side wall of the circular groove 23.

[0048] The detailed working process of this embodiment is as follows: The arc-shaped surfaces 34 at the four corners of the rectangular plate 32 replace the original right angles. When in contact with the side wall of the circular groove 23, the angular friction of sliding contact is transformed into smooth contact of the arc-shaped surfaces 34, which also increases the contact area. The arc-shaped surfaces 34 can reduce the frictional resistance and jamming phenomenon with the side wall of the circular groove 23, making the rotation process smoother.

[0049] The curved surface 34 increases the contact area, reduces the pressure per unit area, decreases wear on both surfaces, extends the service life of the rectangular plate 32 and the vibrating plate 20, and reduces maintenance frequency. Simultaneously, the continuous contact between the curved surface 34 and the sidewall of the circular groove 23 enhances the stability of the placement plate 30. When the vibrating plate 20 transmits transverse wave vibrations, the curved surface 34 provides more uniform constraint on the rectangular plate 32, reducing the horizontal swaying of the placement plate 30, making the steel structure specimen more stable during vibration, and ensuring the accuracy of test data.

[0050] like Figure 1 and Figure 2 As shown, the top of the placement plate 30 is also provided with multiple sets of clamping members for fixing the steel structure body 40, and each of the clamping members is used to fix the steel structure body 40.

[0051] like Figure 2 As shown, each clamping component includes a Z-shaped block 50 and a fastening bolt 51 rotatably disposed at one end of the Z-shaped block 50. Multiple sets of adjusting screw holes 31 are evenly distributed on the top of the placement plate 30, and each fastening bolt 51 is located in the corresponding adjusting screw hole 31.

[0052] The detailed working process of this embodiment is as follows: Multiple sets of evenly distributed adjusting screw holes 31 provide a variety of installation position options for the clamping components. By screwing the fastening bolts 51 into the adjusting screw holes 31 at different positions, the fixing points of the Z-shaped blocks 50 can be adjusted according to the size and shape of the steel structure body 40, so as to achieve precise fixing of steel structure specimens of different specifications and structural forms, which greatly improves the adaptability of the device to diverse testing needs.

[0053] The Z-shaped block 50 can form a stable fit with the surface of the steel structure body 40. By tightening the fastening bolt 51 in the adjusting screw hole 31, a continuous and uniform clamping force can be generated, firmly fixing the steel structure body 40 to the placement plate 30. During the transmission of transverse wave vibration by the vibration plate 20, it can effectively prevent the steel structure body 40 from shifting, shaking, or even falling off, ensuring the stability of the specimen position during the test and providing a reliable guarantee for obtaining accurate seismic test data.

[0054] like Figure 2 As shown, support legs 11 are provided at the four corners of the bottom of the base 10.

[0055] The detailed working process of this embodiment is as follows: With the support leg 11 in place, the support leg 11 can keep the base 10 at a certain distance from the ground, so as to avoid the base 10 directly contacting the ground and causing wear.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A seismic testing device for steel structure buildings, characterized in that, include: Base (10), The vibration unit includes a vibration plate (20) slidably disposed on the base (10) and a vibration source (12) disposed on the base (10). The output end of the vibration source (12) is connected to the vibration plate (20), and the vibration source (12) is used to drive the vibration plate (20) to generate transverse wave vibration. The placement unit includes a placement plate (30) rotatably mounted on the vibration plate (20) and a limiting component mounted on the vibration plate (20) for limiting the rotation of the placement plate (30). The placement plate (30) is used to place the steel structure body (40), and the limiting component is used to limit the placement plate (30) to rotate 90 degrees each time.

2. The seismic testing device for steel structure buildings according to claim 1, characterized in that: The vibrating plate (20) has symmetrical grooves (22) on its bottom side, and the base (10) is slidably disposed on both sides in the corresponding grooves (22).

3. The seismic testing device for steel structure buildings according to claim 2, characterized in that: The vibrating plate (20) has a web plate (21) on its bottom side, and a sink trough (13) is provided on the base (10). The vibration source (12) is located in the sink trough (13), and the output end of the vibration source (12) is connected to the web plate (21).

4. The seismic testing device for steel structure buildings according to claim 1 or 2, characterized in that: A rectangular plate (32) is fixedly installed at the bottom of the placement plate (30), and a cylindrical seat (33) is fixedly installed at the bottom of the rectangular plate (32). A circular groove (23) is opened on the vibration plate (20), the rectangular plate (32) is located in the circular groove (23), and the cylindrical seat (33) is rotatably connected to the bottom of the circular groove (23).

5. The seismic testing device for steel structure buildings according to claim 4, characterized in that: The limiting component includes a limiting arm (70) and a telescopic rod (60) disposed at one end of the limiting arm (70). The vibration plate (20) has a storage groove (24) which is connected to the circular groove (23). The limiting arm (70) and the telescopic rod (60) are both located in the storage groove (24). The limiting arm (70) abuts against the side wall of the rectangular plate (32) under the drive of the telescopic rod (60).

6. The seismic testing device for steel structure buildings according to claim 5, characterized in that: A roller (71) is provided at the end of the limiting arm (70) away from the telescopic rod (60).

7. The seismic testing device for steel structure buildings according to claim 4, characterized in that: The rectangular plate (32) has arc-shaped surfaces (34) at each of its four corners, and each arc-shaped surface (34) is in contact with the side wall of the circular groove (23).

8. The seismic testing device for steel structure buildings according to claim 1, characterized in that: The top of the placement plate (30) is also provided with multiple sets of clamping members for fixing the steel structure body (40), and each clamping member is used to fix the steel structure body (40).

9. The seismic testing device for steel structure buildings according to claim 8, characterized in that: Each of the clamping components includes a Z-shaped block (50) and a fastening bolt (51) rotatably disposed at one end of the Z-shaped block (50). The top of the placement plate (30) is evenly distributed with multiple sets of adjusting screw holes (31), and each of the fastening bolts (51) is located in the corresponding adjusting screw hole (31).

10. The seismic testing device for steel structure buildings according to claim 1, characterized in that: The base (10) is provided with support legs (11) at the four corners of its bottom.

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