Bearing capacity detection device for corrugated web I-shaped section steel beam

By designing a bearing capacity detection device for corrugated web I-shaped cross-section steel beams including a load table, a fixing mechanism, a loading mechanism and a measuring mechanism, the problems of low detection accuracy and complex operation in the prior art are solved, and the problem of low detection accuracy and complex operation is achieved. The accurate bearing capacity detection of corrugated web I-shaped cross-section steel beams improves the detection accuracy and scope of application.

CN222259014UActive Publication Date: 2024-12-27CHINA RAILWAY CONSTR GROUP CO LTD +2
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Patent Information

Application Number
CN202422838830.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2024-12-27
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

The existing steel beam bearing capacity detection devices have low detection accuracy, complex operation and limited application range, making it difficult to meet the detection requirements of corrugated web I-shaped cross-section steel beams.

Method used

A load-bearing capacity detection device for corrugated web I-shaped cross-section steel beams including a load table, a fixing mechanism, a loading mechanism and a measuring mechanism is designed. The pressure is transmitted through the hydraulic cylinder, and the loading head is matched with the surface of the steel beam, and the sliding track is convenient for position adjustment. , the measuring mechanism measures deformation and stress, and adapts to steel beams of different shapes and lengths.

Benefits of technology

Accurate detection of the bearing capacity of corrugated web I-shaped cross-section steel beams is achieved, the detection accuracy and operation simplicity is improved, the scope of application is expanded, and the detection reliability and flexibility are ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bearing capacity detection device for a corrugated web I-shaped section steel beam, which belongs to the technical field of steel beam detection and comprises a bearing table. The fixing mechanisms are symmetrically and fixedly connected to the two sides of the bearing table, and the fixing mechanisms are used for fixing the positions of the two sides of the steel beam; the loading mechanism comprises a bracket, the top of the bracket is fixedly connected with a hydraulic cylinder, and the movable end of the hydraulic cylinder penetrates through the top surface of the bracket and is detachably connected with a loading head; sliding rails are fixedly connected to the two sides of the fixing mechanism, and the bottom of the support is slidably connected to the sliding rails. And the measuring mechanism is used for measuring deformation and stress of the steel beam in the loading process. The device is flexible to adjust, convenient to use and wide in application range.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel beam detection, and particularly relates to a bearing capacity detection device for a corrugated web I-shaped cross-section steel beam. Background Art

[0002] Due to its unique structural characteristics, corrugated web I-section steel beams have been widely used in the fields of construction, bridges, etc. However, in order to ensure the safety and reliability of steel beams during use, their bearing capacity needs to be accurately tested. At present, the existing steel beam bearing capacity testing devices have some shortcomings, such as low detection accuracy, complex operation, and limited scope of application.

[0003] Therefore, a bearing capacity detection device for I-section steel beam with corrugated web is proposed. Utility Model Content

[0004] In order to solve the above technical problems, the utility model proposes a bearing capacity detection device for a corrugated web I-section steel beam.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a bearing capacity detection device for a corrugated web I-section steel beam, comprising:

[0006] Loading platform;

[0007] A fixing mechanism is symmetrically fixed to two sides of the bearing platform, and the fixing mechanism is used to fix the positions of two sides of the steel beam;

[0008] The loading mechanism comprises a bracket, a hydraulic cylinder is fixedly connected to the top of the bracket, and a movable end of the hydraulic cylinder passes through the top surface of the bracket and is detachably connected to a loading head; sliding rails are fixedly connected to both sides of the fixing mechanism, and the bottom of the bracket is slidably connected to the sliding rails;

[0009] Measuring mechanism for measuring deformation and stress of steel beams during loading.

[0010] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, the interior of the bearing platform is hollow, a plurality of bearing plates are arranged side by side in the bearing platform, the plurality of bearing plates are connected to each other, and a plurality of hydraulic telescopic columns are fixedly connected to the bottom of the bearing plates.

[0011] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, the fixing mechanism includes a base, the base is fixedly connected to both sides of the bearing platform, a slide groove is provided on the base, at least two sliders are slidably connected in the slide groove, a telescopic rod is fixed to the top of the slider, a threaded rod is threadedly connected to the top of the telescopic rod, the threaded rod is perpendicular to the bearing platform, and an end of the threaded rod close to the bearing platform is rotatably connected to an abutment block.

[0012] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, a rotating handle is fixedly connected to one end of the threaded rod away from the bearing platform.

[0013] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, the telescopic rod includes a sleeve rod and an inner rod, the inner rod is sleeved inside the sleeve rod, a plurality of limit holes are formed on the sleeve rod, a pin hole is formed at the bottom of the inner rod, the pin hole and the limit hole correspond to and penetrate a limit pin; the bottom of the sleeve rod is fixedly connected to the slider, and the top of the inner rod is threadedly connected to the threaded rod.

[0014] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, the slider is a T-shaped slider, and the slide groove is arranged as a T-shaped groove corresponding to the T-shaped slider.

[0015] According to the bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, the bracket is a portal frame, and hydraulic lifting rods are fixedly connected at the two feet of the bracket. The movable end of the hydraulic lifting rod faces downward and is fixedly connected to a roller. Anti-skid plates are arranged on both sides of the roller, and the top of the anti-skid plate is connected to the bottom of the bracket;

[0016] When the hydraulic lifting rod is retracted, the anti-slip plate abuts against the sliding track, and the roller is suspended in the air;

[0017] When the hydraulic lifting rod is extended, the roller abuts against the sliding track, and the anti-slip plate is suspended in the air.

[0018] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in the present application, a flange plate is fixedly connected to the movable end of the hydraulic cylinder, and the loading head is detachably connected to the flange plate by bolts.

[0019] Compared with the prior art, the utility model has the following advantages and technical effects:

[0020] The bearing platform is used to place the steel beam, and the fixing mechanism limits the position of the steel beam placed on the bearing platform from both sides to prevent the steel beam from shaking left and right; the loading mechanism transmits the pressure to the loading head through the hydraulic cylinder, and then the loading head transmits it to the sample steel beam; the loading head is detachably connected and easy to replace, so that the shape of the loading head matches the upper surface of the steel beam to ensure the uniformity of loading; the loading mechanism can slide on the sliding track, which is convenient for measuring the bearing capacity of different positions of the steel beam sample, and the adjustment is convenient and quick, and space can also be made to facilitate the early loading and fixing of the beam; the measuring mechanism is used to measure the deformation and stress of the steel beam during the loading process. The utility model is flexible in adjustment, easy to use, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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:

[0022] Figure 1 This is a schematic diagram of the structure of the bearing capacity detection device for the corrugated web I-section steel beam of the utility model;

[0023] Figure 2 It is a side view of the bearing capacity detection device for the corrugated web I-section steel beam of the utility model;

[0024] Figure 3 This is a schematic diagram of the internal structure of the load-bearing platform in the utility model;

[0025] Figure 4 It is an exploded view of the telescopic rod in the utility model.

[0026] In the figure: 1. bearing platform; 2. bracket; 3. hydraulic cylinder; 4. loading head; 5. sliding track; 6. bearing plate; 7. hydraulic telescopic column; 8. base; 9. slide groove; 10. slider; 11. telescopic rod; 1101. sleeve rod; 1102. inner rod; 1103. limit hole; 1104. pin hole; 1105. limit pin; 12. threaded rod; 13. abutment block; 14. rotating handle; 15. hydraulic lifting rod; 16. roller; 17. anti-skid plate; 18. flange plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figures 1 to 4 As shown, this embodiment provides a bearing capacity detection device for a corrugated web I-section steel beam, comprising:

[0030] Carrying platform 1;

[0031] The fixing mechanism is symmetrically fixed to the two sides of the bearing platform 1, and the fixing mechanism is used to fix the positions of the two sides of the steel beam;

[0032] The loading mechanism comprises a bracket 2, a hydraulic cylinder 3 is fixedly connected to the top of the bracket 2, and a loading head 4 is detachably connected to the movable end of the hydraulic cylinder 3 through the top surface of the bracket 2; sliding rails 5 are fixedly connected to the two sides of the fixing mechanism, and the bottom of the bracket 2 is slidably connected to the sliding rails 5;

[0033] Measuring mechanism for measuring deformation and stress of steel beams during loading.

[0034] The bearing platform 1 is used to place the steel beam, and the fixing mechanism limits the position of the steel beam placed on the bearing platform 1 from both sides to prevent the steel beam from shaking left and right; the loading mechanism transmits the pressure to the loading head 4 through the hydraulic cylinder 3, and then the loading head 4 transmits it to the sample steel beam; the loading head 4 is detachably connected and easy to replace, so that the shape of the loading head 4 matches the upper surface of the steel beam to ensure the uniformity of loading; the loading mechanism can slide on the sliding track 5, which is convenient for measuring the bearing capacity of different positions of the steel beam sample, and the adjustment is convenient and fast, and space can also be made to facilitate the early loading and fixing of the beam; the measuring mechanism is used to measure the deformation and stress of the steel beam during the loading process. The utility model is flexible to adjust, easy to use, and has a wide range of applications.

[0035] The measuring mechanism includes a strain gauge, a displacement sensor and a data collector. The strain gauge is pasted on the surface of the steel beam to measure the strain of the steel beam; the displacement sensor is installed at both ends of the steel beam to measure the deflection of the steel beam; the data collector is connected to the strain gauge and the displacement sensor to collect and process the measurement data.

[0036] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, the interior of the bearing platform 1 is hollow, and a plurality of bearing plates 6 are arranged side by side in the bearing platform 1. The plurality of bearing plates 6 are connected to each other, and a plurality of hydraulic telescopic columns 7 are fixedly connected to the bottom of the bearing plates 6.

[0037] Each hydraulic telescopic column 7 can be raised and lowered independently to support the steel beam sample, and can adapt to different lengths and shapes of the steel beam sample, thereby increasing the scope of application.

[0038] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, a fixing mechanism includes a base 8, the base 8 is fixedly connected to both sides of a bearing platform 1, a slide groove 9 is provided on the base 8, at least two sliders 10 are slidably connected in the slide groove 9, a telescopic rod 11 is fixedly connected to the top of the slider 10, a threaded rod 12 is threadedly connected to the top of the telescopic rod 11, the threaded rod 12 is perpendicular to the bearing platform 1, and an end of the threaded rod 12 close to the bearing platform 1 is rotatably connected to an abutment block 13.

[0039] The slider 10 drives the telescopic rod 11 to slide and connect in the slide groove 9, so that the threaded rod 12 and the abutment block 13 on the top of the telescopic rod 11 can slide to the appropriate positions on both sides of the steel beam sample as needed. The threaded rod 12 is rotated to make the abutment block 13 abut against the side of the sample. Different abutment blocks 13 abut against the sample from both sides of the sample, so that the horizontal position of the sample can be fixed to prevent the sample from moving left and right.

[0040] According to the bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, a rotating handle 14 is fixedly connected to one end of the threaded rod 12 away from the bearing platform 1 .

[0041] The handle 14 is turned to facilitate the rotation of the threaded rod 12 .

[0042] According to a bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, the telescopic rod 11 includes a sleeve rod 1101 and an inner rod 1102, the inner rod 1102 is sleeved inside the sleeve rod 1101, a plurality of limiting holes 1103 are provided on the sleeve rod 1101, a pin hole 1104 is provided at the bottom of the inner rod 1102, the pin hole 1104 and the limiting hole 1103 correspond to and penetrate a limiting pin 1105; the bottom of the sleeve rod 1101 is fixedly connected to the slider 10, and the top of the inner rod 1102 is threadedly connected to the threaded rod 12.

[0043] The telescopic rod 11 is telescopically movable by the inner rod 1102 in the sleeve rod 1101 , and its position is limited by the limit pin 1105 .

[0044] According to the bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, the slider 10 is a T-shaped slider 10, and the slide groove 9 is set as a T-shaped groove corresponding to the T-shaped slider 10.

[0045] The T-shaped slide block 10 slides in the T-shaped groove and is not easy to slip off.

[0046] According to the bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, the bracket 2 is a portal frame, and hydraulic lifting rods 15 are fixedly connected at the two feet of the bracket 2. The movable end of the hydraulic lifting rod 15 faces downward and is fixedly connected to a roller 16. Anti-skid plates 17 are arranged on both sides of the roller 16, and the top of the anti-skid plate 17 is connected to the bottom of the bracket 2;

[0047] When the hydraulic lifting rod 15 is retracted, the anti-slip plate 17 abuts against the sliding track 5, and the roller 16 is suspended in the air;

[0048] When the hydraulic lifting rod 15 is extended, the roller 16 abuts against the sliding track 5 and the anti-slide plate 17 is suspended in the air.

[0049] The roller 16 is driven to rise and fall by the hydraulic lifting rod 15, thereby adjusting the relative height between the bottom surface of the roller 16 and the bottom surface of the anti-skid plate 17. When the bottom surface of the roller 16 is lower than the bottom surface of the anti-skid plate 17, the roller 16 contacts the sliding track 5, making it easy for the bracket 2 to move on the sliding track 5; when the bottom surface of the roller 16 is lower than the bottom surface of the anti-skid plate 17, the bottom surface of the anti-skid plate 17 abuts against the sliding track 5, the roller 16 is suspended in the air, and the bracket 2 is difficult to move, so the position of the bracket 2 can be fixed.

[0050] According to the bearing capacity detection device for a corrugated web I-section steel beam proposed in this embodiment, a flange plate 18 is fixedly connected to the movable end of the hydraulic cylinder 3, and the loading head 4 is detachably connected to the flange plate 18 by bolts.

[0051] A plurality of loading heads 4 of different shapes are provided, and different loading heads 4 correspond to different sample top surface structures. The loading heads 4 can be conveniently replaced through the flange plate 18 and bolts to adapt to samples of different shapes.

[0052] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0053] 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.

[0054] The embodiments described above are only descriptions of the preferred methods 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 fall within the protection scope determined by the claims of the present invention.

Claims

1. A bearing capacity detection device for a corrugated web I-section steel beam, characterized in that: include: A carrier platform (1); A fixing mechanism, symmetrically fixed to two sides of the bearing platform (1), the fixing mechanism being used to fix the positions of two sides of the steel beam; The loading mechanism comprises a bracket (2), the top of the bracket (2) being fixedly connected to a hydraulic cylinder (3), the movable end of the hydraulic cylinder (3) passing through the top surface of the bracket (2) and being detachably connected to a loading head (4); sliding rails (5) being fixedly connected to both sides of the fixing mechanism, the bottom of the bracket (2) being slidably connected to the sliding rails (5); Measuring mechanism for measuring deformation and stress of steel beams during loading.

2. The bearing capacity detection device for the corrugated web I-section steel beam according to claim 1, characterized in that: The interior of the bearing platform (1) is hollow, a plurality of bearing plates (6) are arranged side by side in the bearing platform (1), the plurality of bearing plates (6) are connected to each other, and a plurality of hydraulic telescopic columns (7) are fixedly connected to the bottom of the bearing plates (6).

3. The bearing capacity detection device for the corrugated web I-section steel beam according to claim 1, characterized in that: The fixing mechanism comprises a base (8), the base (8) being fixedly connected to two sides of the bearing platform (1), the base (8) being provided with a slide groove (9), at least two sliders (10) being slidably connected in the slide groove (9), a telescopic rod (11) being fixedly connected to the top of the slider (10), a threaded rod (12) being threadedly connected to the top of the telescopic rod (11), the threaded rod (12) being perpendicular to the bearing platform (1), and an end of the threaded rod (12) close to the bearing platform (1) being rotatably connected to an abutment block (13).

4. The bearing capacity detection device for the corrugated web I-section steel beam according to claim 3, characterized in that: A rotating handle (14) is fixedly connected to one end of the threaded rod (12) away from the supporting platform (1).

5. The bearing capacity detection device for the corrugated web I-section steel beam according to claim 3, characterized in that: The telescopic rod (11) comprises a sleeve rod (1101) and an inner rod (1102); the inner rod (1102) is sleeved inside the sleeve rod (1101); the sleeve rod (1101) is provided with a plurality of limiting holes (1103); a pin hole (1104) is provided at the bottom of the inner rod (1102); the pin hole (1104) corresponds to the limiting hole (1103) and is penetrated by a limiting pin (1105); the bottom of the sleeve rod (1101) is fixedly connected to the slider (10); the top of the inner rod (1102) is threadedly connected to the threaded rod (12).

6. The bearing capacity detection device for the corrugated web I-section steel beam according to claim 3, characterized in that: The slider (10) is a T-shaped slider (10), and the slide groove (9) is configured as a T-shaped groove corresponding to the T-shaped slider (10).

7. The bearing capacity detection device for a corrugated web I-section steel beam according to claim 1, characterized in that: The support (2) is a door-type frame, and hydraulic lifting rods (15) are fixedly connected at the two feet of the support (2), and the movable end of the hydraulic lifting rod (15) faces downward and is fixedly connected to a roller (16), and anti-skid plates (17) are arranged on both sides of the roller (16), and the top of the anti-skid plate (17) is connected to the bottom of the support (2); When the hydraulic lifting rod (15) is retracted, the anti-slip plate (17) abuts against the sliding track (5), and the roller (16) is suspended in the air; When the hydraulic lifting rod (15) is extended, the roller (16) abuts against the sliding track (5), and the anti-slip plate (17) is suspended in the air.

8. The bearing capacity detection device for a corrugated web I-section steel beam according to claim 1, characterized in that: The movable end of the hydraulic cylinder (3) is fixedly connected to a flange plate (18), and the loading head (4) is detachably connected to the flange plate (18) via bolts.