Impact testing device for building steel structural member

Abstract

The invention discloses a building steel structural member impact test device, and belongs to the technical field of building steel structural test.The building steel structural member impact test device comprises a base, limiting mechanisms are symmetrically and slidably connected to the top face of the base, a first connecting plate is fixedly connected to one side of the top face of the base, and a second connecting plate is fixedly connected to the side, close to the base, of the top face of the first connecting plate; the bottom surface of the second connecting plate is slidably connected with an impact mechanism, the impact mechanism comprises first sliding parts which are symmetrically and slidably connected with the second connecting plate, a guide rail is fixedly connected between the two first sliding parts, the guide rail is slidably connected with a second sliding part, the bottom surface of the second sliding part is fixedly connected with a telescopic part, and the bottom of the telescopic part is fixedly connected with an impact part; the impact part comprises an impact box fixedly connected with the telescopic piece, a driving piece is arranged in the impact box, and the driving piece is fixedly connected with an impact piece. The impact pressure applying point is adjusted through the first sliding part and the second sliding part, and targeted testing can be carried out according to actual use of the to-be-tested steel structure.

Description

Technical Field

[0001] The invention belongs to the technical field of steel structure testing, and in particular relates to an impact testing device for building steel structure parts. Background Art

[0002] Steel structure engineering inspection includes all the specified test and inspection contents of raw materials, welding materials, welded parts, fasteners, welds, bolt ball joints, coatings and other materials and engineering of steel structures and special equipment. The main structure engineering inspection, sampling inspection, steel chemical composition analysis, coating inspection, construction engineering materials, waterproof material inspection, energy-saving inspection and other complete inspection technologies, the compression and seismic inspection of structures like steel plates or steel bars generally adopts axial impact or pressure test on the test piece, and the axial strain of the detector is used to judge the performance. The traditional inspection equipment has a single structure and cannot adjust the stress points and support points according to the actual use of steel bars or steel plates. Summary of the invention

[0003] The purpose of the present invention is to provide an impact testing device for building steel structure members to solve the problems existing in the above-mentioned prior art.

[0004] To achieve the above-mentioned purpose, the present invention provides the following scheme: The present invention provides an impact testing device for building steel structure members, comprising a base, the top surface of the base being symmetrically slidably connected to a limiting mechanism, a first connecting plate being fixedly connected to one side of the top surface of the base, a second connecting plate being fixedly connected to the top surface of the first connecting plate close to the side of the base, a bottom surface of the second connecting plate being slidably connected to an impact mechanism, the impact mechanism comprising a first sliding portion symmetrically slidably connected to the second connecting plate, a guide rail being fixedly connected between the two first sliding portions, the guide rail being slidably connected to the second sliding portion, a telescopic member being fixedly connected to the bottom surface of the second sliding portion, an impact portion being fixedly connected to the bottom of the telescopic member, the impact portion comprising an impact box fixedly connected to the telescopic member, a driving member being provided in the impact box, and the driving member being fixedly connected to the impact member.

[0005] Preferably, the driving member includes a first motor fixedly connected in the impact box, the output shaft of the first motor is fixedly connected to a third connecting plate, the end of the third connecting plate away from the first motor is rotatably connected to a first connecting shaft, the end of the first connecting shaft away from the third connecting plate is rotatably connected to a first sliding block, the first sliding block is slidably connected to a first slide rail outside, the bottom of the first slide rail is fixedly connected to the impact member, the two ends of the first slide rail are respectively slidably connected to second slide rails, and the second slide rails are fixed to the inner wall of the impact box.

[0006] Preferably, the impact member includes an impact rod fixedly connected to the first slide rail, the bottom of the impact rod extends to the outside of the impact box, the impact rod is slidably connected to the bottom surface of the impact box, and an impact head is fixedly connected to the bottom surface of the impact rod.

[0007] Preferably, the bottom surface of the second connecting plate is symmetrically provided with a first slide groove, the first sliding part includes a second sliding block slidably connected to the first slide groove, the guide rail is fixedly connected between the two second sliding blocks, a second motor is fixedly connected to the side of the second connecting plate away from the first connecting plate, an output shaft of the second motor passes through the second connecting plate and extends into the first slide groove, an end of the output group of the second motor extending into the first slide groove is fixedly connected to one end of the first lead screw, the first lead screw is threadedly connected to the second sliding block, and an end of the first lead screw away from the first motor is rotatably connected to the inner wall of the first slide groove.

[0008] Preferably, the second sliding portion includes a third sliding block slidably connected to the guide rail, a first cavity is provided at the bottom of the third sliding block, a first groove is provided at the bottom of the guide rail, teeth are provided in the first groove, a third motor is fixedly connected to the first cavity, a gear is fixedly connected to the output shaft of the third motor, a first opening is provided at the top of the first cavity, the first opening is communicated with the first groove, and the gear passes through the first opening and meshes with the teeth.

[0009] Preferably, the telescopic member comprises a hydraulic telescopic rod fixedly connected to the bottom surface of the second sliding block, and the hydraulic telescopic rod is fixedly connected to the top surface of the impact box.

[0010] Preferably, a second slide groove is symmetrically provided on the top surface of the base, and the limiting mechanism includes a fourth sliding block symmetrically slidably connected in the second slide groove, a limiting portion is provided between the fourth sliding block and the second slide groove, a second connecting shaft is slidably provided on the top of the fourth sliding block, a pressing block is fixedly connected to the second connecting shaft, a spring is provided outside the second connecting shaft, and the spring is respectively fixedly connected to the fourth sliding block and the pressing block.

[0011] Preferably, the fourth sliding block is hollow, and second openings are respectively provided on both sides of the fourth sliding block, the second openings are connected to the second sliding groove, the bottom of the second connecting shaft extends into the fourth sliding block and is fixedly connected to a first limit block, and a third sliding groove is symmetrically provided in the fourth sliding block, the third sliding groove is connected to the second opening adjacent to it, and a second limit block is slidably connected in the third sliding groove, and the first limit block is respectively adapted to the two second limit blocks.

[0012] The present invention discloses the following technical effects: a building steel structure to be tested is placed on a base, fixed by a limiting mechanism, and after fixing, the building steel structure to be tested is impacted by an impact mechanism, during the impact process, the impact member contacts the building steel structure to be tested, and a first sliding part and a second sliding part are provided to adjust the impact position of the impact member, so as to obtain more comprehensive test data. The present invention adjusts the impact pressure point by the first sliding part and the second sliding part, and can perform targeted tests according to the actual use of the steel structure to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 It is a structural schematic diagram of the impact testing device for building steel structure members of the present invention;

[0015] Figure 2 It is a side view of the impact testing device for building steel structure members of the present invention;

[0016] Figure 3 For the present invention Figure 2 A partial enlarged view of middle A;

[0017] Figure 4 For the present invention Figure 2 A partial enlarged view of B in the middle;

[0018] Figure 5 It is a schematic diagram of the structure inside the impact box of the present invention.

[0019] In the figure: 1. base; 2. first connecting plate; 3. second connecting plate; 4. guide rail; 5. impact box; 6. first motor; 7. third connecting plate; 8. first connecting shaft; 9. first sliding block; 10. first slide rail; 11. second slide rail; 12. impact rod; 13. impact head; 14. first slide groove; 15. second sliding block; 16. second motor; 17. first lead screw; 18. third sliding block; 19. first cavity; 20. first groove; 21. third motor; 22. gear; 23. hydraulic telescopic rod; 24. second slide groove; 25. fourth sliding block; 26. second connecting shaft; 27. pressing block; 28. spring; 29. ​​second opening; 30. first limit block; 31. third slide groove; 32. second limit block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0022] Reference Figure 1-Figure 5 As shown, this embodiment provides an impact testing device for building steel structural members, including a base 1, the top surface of the base 1 is symmetrically slidably connected to a limiting mechanism, a first connecting plate 2 is fixedly connected to one side of the top surface of the base 1, a second connecting plate 3 is fixedly connected to the top surface of the first connecting plate 2 close to the side of the base 1, and the bottom surface of the second connecting plate 3 is slidably connected to an impact mechanism, the impact mechanism includes a first sliding portion symmetrically slidably connected to the second connecting plate 3, a guide rail 4 is fixedly connected between the two first sliding portions, the guide rail 4 is slidably connected to the second sliding portion, a telescopic member is fixedly connected to the bottom of the telescopic member, and an impact portion is fixedly connected, the impact portion includes an impact box 5 fixedly connected to the telescopic member, a driving member is provided in the impact box 5, and the driving member is fixedly connected to the impact member.

[0023] The building steel structure to be tested is placed on the base 1 and fixed by a limiting mechanism. After the fixing is completed, the building steel structure to be tested is impacted by an impact mechanism. During the impact process, the impact member contacts the building steel structure to be tested. At the same time, a first sliding part and a second sliding part are provided to adjust the impact position of the impact member so as to obtain more comprehensive test data.

[0024] A further optimized solution is that the driving member includes a first motor 6 fixedly connected in the impact box 5, the output shaft of the first motor 6 is fixedly connected to the third connecting plate 7, the end of the third connecting plate 7 away from the first motor 6 is rotatably connected to the first connecting shaft 8, the end of the first connecting shaft 8 away from the third connecting plate 7 is rotatably connected to the first sliding block 9, the first sliding block 9 is slidably connected to the first slide rail 10 outside, the bottom of the first slide rail 10 is fixed with an impact member, the two ends of the first slide rail 10 are respectively slidably connected to the second slide rail 11, and the second slide rail 11 is fixed to the inner wall of the impact box 5.

[0025] According to a further optimized solution, the impact member includes an impact rod 12 fixedly connected to the first slide rail 10, the bottom of the impact rod 12 extends to the outside of the impact box 5, the impact rod 12 is slidably connected to the bottom surface of the impact box 5, and an impact head 13 is fixedly connected to the bottom surface of the impact rod 12.

[0026] When it is necessary to impact the building steel structure to be tested, start the first motor 6, the output shaft of the first motor 6 drives the third connecting plate 7 to rotate, the third connecting plate 7 drives the first connecting shaft 8 to rotate, the first connecting shaft 8 drives the first sliding block 9 to slide along the first sliding groove 14, so that the first sliding groove 14 reciprocates up and down along the second sliding groove 24, and then drives the impact rod 12 to reciprocate, and the impact rod 12 drives the impact head 13 to reciprocate to impact the building steel structure to be tested.

[0027] A further optimized solution is that the bottom surface of the second connecting plate 3 is symmetrically provided with a first slide groove 14, the first sliding part includes a second sliding block 15 slidably connected to the first slide groove 14, a guide rail 4 is fixedly connected between the two second sliding blocks 15, a second motor 16 is fixedly connected to the side of the second connecting plate 3 away from the first connecting plate 2, the output shaft of the second motor 16 passes through the second connecting plate 3 and extends into the first slide groove 14, and one end of the output group of the second motor 16 extending into the first slide groove 14 is fixedly connected to one end of the first lead screw 17, the first lead screw 17 is threadedly connected to the second sliding block 15, and the end of the first lead screw 17 away from the first motor 6 is rotatably connected to the inner wall of the first slide groove 14.

[0028] When it is necessary to make the impact head 13 slide along the direction of the first slide groove 14, start the second motor 16, the output shaft of the second motor 16 drives the first screw 17 to rotate, the first screw 17 drives the second sliding block 15 to slide along the first slide groove 14, and then drives the guide rail 4 to slide along the direction of the first slide groove 14, and the guide rail 4 drives the second drive part and the impact box 5 to move along the direction of the first slide groove 14.

[0029] A further optimized solution is that the second sliding part includes a third sliding block 18 slidably connected to the guide rail 4, a first cavity 19 is provided at the bottom of the third sliding block 18, a first groove 20 is provided at the bottom of the guide rail 4, teeth are provided in the first groove 20, a third motor 21 is fixedly connected to the first cavity 19, a gear 22 is fixedly connected to the output shaft of the third motor 21, a first opening is provided at the top of the first cavity 19, the first opening is communicated with the first groove 20, and the gear 22 passes through the first opening and meshes with the teeth.

[0030] When the impact head 13 needs to be moved along the guide rail 4, the third motor 21 is started, and the output shaft of the third motor 21 drives the gear 22 to rotate, and the gear 22 passes through the first opening and moves along the teeth.

[0031] In a further optimized solution, the telescopic member includes a hydraulic telescopic rod 23 fixedly connected to the bottom surface of the second sliding block 15, and the hydraulic telescopic rod 23 is fixedly connected to the top surface of the impact box 5. The distance between the impact head 13 and the building steel structure to be tested is adjusted by the hydraulic telescopic rod 23.

[0032] A further optimized solution is that a second slide groove 24 is symmetrically provided on the top surface of the base 1, and the limiting mechanism includes a fourth sliding block 25 symmetrically slidably connected in the second slide groove 24, a limiting portion is provided between the fourth sliding block 25 and the second slide groove 24, a second connecting shaft 26 slides on the top of the fourth sliding block 25, a pressing block 27 is fixedly connected to the second connecting shaft 26, and a spring 28 is provided on the outer sleeve of the second connecting shaft 26, and the spring 28 is respectively fixedly connected to the fourth sliding block 25 and the pressing block 27.

[0033] A further optimized solution is that the fourth sliding block 25 is hollow inside, and second openings 29 are respectively provided on both sides of the fourth sliding block 25, the second openings 29 are connected to the second slide groove 24, the bottom of the second connecting shaft 26 extends into the fourth sliding block 25 and is fixedly connected with a first limit block 30, and the fourth sliding block 25 is symmetrically provided with a third slide groove 31, the third slide groove 31 is connected to the second opening 29 adjacent to it, and a second limit block 32 is slidably connected in the third slide groove 31, and the first limit block 30 is respectively adapted to the two second limit blocks 32.

[0034] After the building steel structure to be tested is placed on the base 1, the second connecting shaft 26 is pulled upwards to make the first limit block 30 leave the second limit block 32, release the limit on the fourth sliding block 25, adjust the position of the fourth sliding block 25, and after the adjustment is completed, release the second connecting shaft 26. The second connecting shaft 26 moves downward under the tension of the spring 28, so that the first limit block 30 moves downward and squeezes the second limit block 32, so that the second limit block 32 squeezes the second slide groove 24, and limits the fourth sliding block 25. At the same time, when the second connecting shaft 26 moves downward, the pressing block 27 moves downward and contacts with the building steel structure to be tested, thereby fixing the building steel structure to be tested.

[0035] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. Building steel structure impact test device, characterized by: The invention comprises a base (1), the top surface of the base (1) is symmetrically slidably connected to a limiting mechanism, a first connecting plate (2) is fixedly connected to one side of the top surface of the base (1), a second connecting plate (3) is fixedly connected to the top surface of the first connecting plate (2) close to the side of the base (1), the bottom surface of the second connecting plate (3) is slidably connected to an impact mechanism, the impact mechanism comprises a first sliding part symmetrically slidably connected to the second connecting plate (3), a guide rail (4) is fixedly connected between the two first sliding parts, the guide rail (4) is slidably connected to the second sliding part, the bottom surface of the second sliding part is fixedly connected to a telescopic member, the bottom of the telescopic member is fixedly connected to an impact part, the impact part comprises an impact box (5) fixedly connected to the telescopic member, a driving member is arranged in the impact box (5), and the driving member is fixedly connected to the impact member.

2. The building steel structure impact testing device according to claim 1, characterized in that: The driving member comprises a first motor (6) fixedly connected in the impact box (5), the output shaft of the first motor (6) is fixedly connected to a third connecting plate (7), the end of the third connecting plate (7) away from the first motor (6) is rotatably connected to a first connecting shaft (8), the end of the first connecting shaft (8) away from the third connecting plate (7) is rotatably connected to a first sliding block (9), the first sliding block (9) is slidably connected to a first slide rail (10) outside, the bottom of the first slide rail (10) is fixedly connected to the impact member, the two ends of the first slide rail (10) are respectively slidably connected to second slide rails (11), and the second slide rail (11) is fixedly connected to the inner wall of the impact box (5).

3. The building steel structure impact testing device according to claim 2, characterized in that: The impact member comprises an impact rod (12) fixedly connected to the first slide rail (10), the bottom of the impact rod (12) extends to the outside of the impact box (5), the impact rod (12) is slidably connected to the bottom surface of the impact box (5), and the bottom surface of the impact rod (12) is fixedly connected to an impact head (13).

4. The building steel structure impact testing device according to claim 2, characterized in that: The bottom surface of the second connecting plate (3) is symmetrically provided with a first slide groove (14), the first sliding part includes a second sliding block (15) slidably connected in the first slide groove (14), the guide rail (4) is fixedly connected between the two second sliding blocks (15), a second motor (16) is fixedly connected to the side of the second connecting plate (3) away from the first connecting plate (2), an output shaft of the second motor (16) passes through the second connecting plate (3) and extends into the first slide groove (14), one end of the output group of the second motor (16) extending into the first slide groove (14) is fixedly connected to one end of a first lead screw (17), the first lead screw (17) is threadedly connected to the second sliding block (15), and one end of the first lead screw (17) away from the first motor (6) is rotatably connected to the inner wall of the first slide groove (14).

5. The building steel structure impact testing device according to claim 1, characterized in that: The second sliding portion comprises a third sliding block (18) slidably connected to the guide rail (4); a first cavity (19) is provided at the bottom of the third sliding block (18); a first groove (20) is provided at the bottom of the guide rail (4); teeth are provided in the first groove (20); a third motor (21) is fixedly connected in the first cavity (19); a gear (22) is fixedly connected to the output shaft of the third motor (21); a first opening is provided at the top of the first cavity (19); the first opening is communicated with the first groove (20); the gear (22) passes through the first opening and meshes with the teeth.

6. The building steel structure impact testing device according to claim 4, characterized in that: The telescopic member comprises a hydraulic telescopic rod (23) fixedly connected to the bottom surface of the second sliding block (15); the hydraulic telescopic rod (23) is fixedly connected to the top surface of the impact box (5).

7. The building steel structure impact testing device according to claim 1, characterized in that: The top surface of the base (1) is symmetrically provided with a second slide groove (24); the limiting mechanism comprises a fourth sliding block (25) symmetrically slidably connected in the second slide groove (24); a limiting portion is provided between the fourth sliding block (25) and the second slide groove (24); a second connecting shaft (26) is slidably provided on the top of the fourth sliding block (25); a pressing block (27) is fixedly connected to the second connecting shaft (26); a spring (28) is provided on the outer sleeve of the second connecting shaft (26); the spring (28) is respectively fixedly connected to the fourth sliding block (25) and the pressing block (27).

8. The building steel structure impact testing device according to claim 7, characterized in that: The fourth sliding block (25) is hollow inside, and second openings (29) are respectively provided on both sides of the fourth sliding block (25), and the second openings (29) are communicated with the second sliding groove (24). The bottom of the second connecting shaft (26) extends into the fourth sliding block (25) and is fixedly connected with a first limit block (30). The fourth sliding block (25) is symmetrically provided with a third sliding groove (31), and the third sliding groove (31) is communicated with the second opening (29) adjacent thereto. A second limit block (32) is slidably connected in the third sliding groove (31), and the first limit block (30) is respectively adapted to the two second limit blocks (32).

Images