Bridge load bearing capacity test detection device

Abstract

The utility model relates to road and bridge bearing capacity test technical field, and disclose a kind of road and bridge bearing capacity test detection device, including base, the bottom fixed mounting of base is positioned with sleeve, the first side fixed mounting of connecting plate one near base center point is placed table, the top fixed mounting of placed table is antiskid pad.The utility model is connected with slider one by sliding in the inside of sliding chute, the first side fixed mounting of connecting plate one near base center point is placed table, and the top fixed mounting of placed table is antiskid pad, when needing to carry out test detection outdoors, first, base is placed in specified position, now according to level to the balance of base is observed, when there is pit and hollow, screw rod is engaged with positioning sleeve, so that the height of knob bolt is adjusted and ground is contacted, so that the overall of base keeps stable condition, and it will not appear to shake when testing, so as to keep the effect of the precision of test.

Description

Technical Field

[0001] This utility model relates to the field of road and bridge bearing capacity testing technology, and more specifically, to a road and bridge bearing capacity testing device. Background Technology

[0002] Road and bridge load-bearing capacity testing devices are specialized equipment used to evaluate the load-bearing capacity and structural safety of transportation infrastructure such as bridges and roads. These devices determine whether a project meets design requirements or operational safety standards by simulating actual loads or monitoring structural responses. However, existing load testing devices often require outdoor testing due to limited indoor space. Outdoor testing is challenging because uneven ground conditions make it difficult to achieve a stable environment, which may affect the accuracy of the experiment. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a road and bridge bearing capacity testing device, which has the advantages of maintaining stability and not affecting the experimental accuracy.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a road and bridge bearing capacity testing device, comprising a base, a positioning sleeve fixedly installed at the bottom of the base, a threaded rod rotatably connected inside the positioning sleeve, a support foot fixedly installed at the bottom of the threaded rod, a knob bolt fixedly installed on the outside of the threaded rod, a sliding groove opened inside the base, a slider slidably connected inside the sliding groove, a connecting plate fixedly installed above the slider, a placement platform fixedly installed on the first side of the connecting plate near the center point of the base, and an anti-slip pad fixedly installed above the placement platform.

[0005] As a preferred technical solution of this utility model, a second slider is slidably connected inside the slide groove, a support plate is fixedly installed above the second slider, a support shaft is fixedly installed above the support plate, the support shaft contacts the placement table and is located at the bottom of the placement table, and a nut is fixedly installed at the bottom of the connecting plate.

[0006] As a preferred embodiment of this utility model, a fixing plate is fixedly installed on the top of the base, a motor is fixedly installed on the outside of the fixing plate, and a lead screw is fixedly installed at the output end of the motor, the lead screw engaging with a lead nut.

[0007] As a preferred embodiment of this utility model, a level is fixedly installed at the front of the base, a weighing sensor is fixedly installed in the middle of the base, a support block is fixedly installed at the rear of the base, a connecting plate two is fixedly installed above the support block, a hydraulic cylinder is fixedly installed above the connecting plate two, an output shaft is fixedly installed at the output end of the hydraulic cylinder, and a pressure block is fixedly installed at the bottom of the output shaft.

[0008] As a preferred embodiment of this utility model, there are four placement platforms, all of which are located above the base, and there are multiple anti-slip mats, each located above one of the four placement platforms.

[0009] As a preferred technical solution of this utility model, there are two slides, and there are four sliders one and four sliders two. The four sliders one and four sliders two are respectively located on the left and right sides of the weighing sensor. The surface of the lead screw is threaded and distributed in opposite directions with the center point of the weighing sensor as the center. A hydraulic cylinder is fixedly installed above the connecting plate two. An oil supply pipe is fixedly installed on the outside of the hydraulic cylinder. The oil supply pipe is fixedly connected to the hydraulic cylinder.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model features a slider connected to the inside of a sliding groove, a connecting plate fixedly installed above the slider, and a placement platform fixedly installed on the first side of the connecting plate near the center point of the base. An anti-slip pad is fixedly installed above the placement platform. When outdoor testing is required, the base is first placed in the designated position. The balance of the base is then observed using a level. If there are any pits or unevenness, the threaded rod is engaged with the positioning sleeve, adjusting the height of the knob bolt to contact the ground. This ensures the base remains stable and does not wobble during testing, thus maintaining the accuracy of the test.

[0012] 2. This utility model has a motor fixedly installed on the outside of the fixed plate, and a lead screw fixedly installed at the output end of the motor. The lead screw meshes with the lead screw nut. When the motor is started, the lead screw rotates. At this time, the lead screw will mesh with the lead screw nut, and the lead screw nut is fixedly connected to the connecting plate. The connecting plate can move left and right through the sliding connection between the slider and the slide groove, thereby moving the position of the center point of the placement platform and the base. When facing road bridge plates of different sizes, the distance can be adjusted so that the road bridge plate is placed just right, achieving the effect of testing road bridge plates of different sizes. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This utility model Figure 1 Enlarged schematic diagram of the structure at point A;

[0015] Figure 3 This utility model Figure 1 Enlarged schematic diagram of the structure at point B;

[0016] Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point C;

[0017] Figure 5 This is a schematic diagram of the base structure of this utility model.

[0018] In the diagram: 1. Base; 2. Positioning sleeve; 3. Threaded rod; 4. Support foot; 5. Knob bolt; 6. Slide groove; 7. Slider 1; 8. Connecting plate 1; 9. Placement platform; 10. Anti-slip pad; 11. Slider 2; 12. Support plate; 13. Support shaft; 14. Nut; 15. Fixing plate; 16. Motor; 17. Lead screw; 18. Level; 19. Weighing sensor; 20. Support block; 21. Connecting plate 2; 22. Hydraulic cylinder; 23. Output shaft; 24. Pressure block; 25. Oil cylinder; 26. Oil supply pipe. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1 to 5 As shown, this utility model provides a road and bridge bearing capacity testing device, including a base 1, a positioning sleeve 2 fixedly installed at the bottom of the base 1, a threaded rod 3 rotatably connected inside the positioning sleeve 2, a support foot 4 fixedly installed at the bottom of the threaded rod 3, a knob bolt 5 fixedly installed on the outside of the threaded rod 3, a sliding groove 6 opened inside the base 1, a slider 7 slidably connected inside the sliding groove 6, a connecting plate 8 fixedly installed above the slider 7, a placement platform 9 fixedly installed on the first side of the connecting plate 8 near the center point of the base 1, and an anti-slip pad 10 fixedly installed above the placement platform 9.

[0021] When outdoor testing is required, first place the base 1 in the designated position. Then, observe the balance of the base 1 using the level 18. If there are pits or unevenness, engage the threaded rod 3 with the positioning sleeve 2 to adjust the height of the knob bolt 5 to contact the ground, thereby keeping the base 1 stable and preventing it from shaking during the test, thus maintaining the accuracy of the test.

[0022] The slide groove 6 has a sliding block 11 inside, a support plate 12 is fixedly installed above the sliding block 11, a support shaft 13 is fixedly installed above the support plate 12, the support shaft 13 contacts the placement table 9 and is located at the bottom of the placement table 9, and a nut 14 is fixedly installed at the bottom of the connecting plate 8.

[0023] The main function of the support shaft 13 is to support the placement platform 9 and prevent the placement platform 9 from deforming under large forces, which could lead to test failure.

[0024] A fixing plate 15 is fixedly installed on the top of the base 1, and a motor 16 is fixedly installed on the outside of the fixing plate 15. A lead screw 17 is fixedly installed on the output end of the motor 16, and the lead screw 17 meshes with the lead nut 14.

[0025] When the motor 16 is started, it drives the lead screw 17 to rotate. At this time, the lead screw 17 will mesh with the lead screw nut 14. The lead screw nut 14 is fixedly connected to the connecting plate 8. The connecting plate 8 can move left and right through the sliding connection between the slider 7 and the slide groove 6, thereby moving the position of the center point of the placement platform 9 and the base 1. When facing road bridge plates of different sizes, the distance can be adjusted so that the road bridge plate is placed just right, so that the test can be carried out on road bridge plates of different sizes.

[0026] A level 18 is fixedly installed at the front of the base 1, a weighing sensor 19 is fixedly installed in the middle of the base 1, a support block 20 is fixedly installed at the rear of the base 1, a connecting plate 21 is fixedly installed above the support block 20, a hydraulic cylinder 22 is fixedly installed above the connecting plate 21, an output shaft 23 is fixedly installed at the output end of the hydraulic cylinder 22, and a pressure block 24 is fixedly installed at the bottom of the output shaft 23.

[0027] The hydraulic cylinder 22 is activated to drive the output shaft 23 to press downwards. After the road bridge plate is placed above the placement platform 9, the output shaft 23 drives the pressure block 24 to press downwards, thereby achieving the effect of testing the load-bearing capacity of the road bridge plate. At the same time, the weighing sensor 19 is located at the bottom of the road bridge plate and is in contact with the road bridge plate, thereby detecting the pressure borne by the road bridge plate and providing accurate data.

[0028] There are four placement platforms 9, all of which are located above the base 1. There are multiple anti-slip mats 10, which are located above the four placement platforms 9 respectively.

[0029] Place the bridge deck above the placement platform 9 so that the anti-slip pad 10 comes into contact with the bridge deck, increasing the friction between them and preventing slippage.

[0030] There are two slides 6, and four sliders 7 and 11. The four sliders 7 and 11 are located on the left and right sides of the load cell 19, respectively. The screw 17 has threads on its surface, which are distributed in opposite directions with the center point of the load cell 19 as the center. A hydraulic cylinder 25 is fixedly installed on the top of the connecting plate 21. An oil supply pipe 26 is fixedly installed on the outside of the hydraulic cylinder 25. The oil supply pipe 26 is fixedly connected to the hydraulic cylinder 22.

[0031] There are two connecting plates 8, both located on the left and right sides of the weighing sensor 19. When the starting motor 16 drives the lead screw 17 to rotate, the lead screw 17 meshes with the lead screw nut 14, causing the two connecting plates 8 to move towards the weighing sensor 19 simultaneously, thus facilitating the clamping of the bridge deck.

[0032] Working principle and usage process of this utility model:

[0033] First, a slider 7 is slidably connected inside the slide groove 6. A connecting plate 8 is fixedly installed above the slider 7. A placement platform 9 is fixedly installed on the first side of the connecting plate 8 near the center point of the base 1. An anti-slip pad 10 is fixedly installed above the placement platform 9. When outdoor testing is required, the base 1 is first placed in the designated position. The balance of the base 1 is then observed using a level 18. When there are pits or depressions, the threaded rod 3 is engaged with the positioning sleeve 2, so that the height of the knob bolt 5 is adjusted to contact the ground, thereby keeping the base 1 stable and preventing it from shaking during the test, thus maintaining the accuracy of the test.

[0034] Secondly, a motor 16 is fixedly installed on the outside of the fixed plate 15, and a lead screw 17 is fixedly installed at the output end of the motor 16. The lead screw 17 meshes with the lead screw nut 14. When the motor 16 is started, the lead screw 17 is driven to rotate. At this time, the lead screw 17 will mesh with the lead screw nut 14. The lead screw nut 14 is fixedly connected to the connecting plate 8. The connecting plate 8 can move left and right through the sliding connection between the slider 7 and the slide groove 6, thereby moving the position of the center point of the placement platform 9 and the base 1. When facing road and bridge panels of different sizes, the distance can be adjusted so that the road and bridge panels are placed just right.

[0035] Finally, the hydraulic cylinder 22 is activated to drive the output shaft 23 to press downwards. After the road bridge plate is placed above the placement platform 9, the output shaft 23 drives the pressure block 24 to press downwards, thereby achieving the effect of testing the load-bearing capacity of the road bridge plate. At the same time, the weighing sensor 19 is located at the bottom of the road bridge plate and is in contact with the road bridge plate, thereby detecting the pressure borne by the road bridge plate and providing accurate data.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bridge and road bearing capacity testing device, comprising a base (1), characterized in that: A positioning sleeve (2) is fixedly installed at the bottom of the base (1). A threaded rod (3) is rotatably connected inside the positioning sleeve (2). A support foot (4) is fixedly installed at the bottom of the threaded rod (3). A knob bolt (5) is fixedly installed on the outside of the threaded rod (3). A sliding groove (6) is opened inside the base (1). A slider (7) is slidably connected inside the sliding groove (6). A connecting plate (8) is fixedly installed above the slider (7). A placement platform (9) is fixedly installed on the first side of the connecting plate (8) near the center point of the base (1). An anti-slip pad (10) is fixedly installed above the placement platform (9).

2. The road and bridge bearing capacity testing device according to claim 1, characterized in that: The slide groove (6) is slidably connected to a second slider (11). A support plate (12) is fixedly installed above the second slider (11). A support shaft (13) is fixedly installed above the support plate (12). The support shaft (13) contacts the placement platform (9) and is located at the bottom of the placement platform (9). A nut (14) is fixedly installed at the bottom of the connecting plate (8).

3. The bridge bearing capacity testing device according to claim 2, characterized in that: A fixing plate (15) is fixedly installed on the top of the base (1), and a motor (16) is fixedly installed on the outside of the fixing plate (15). A lead screw (17) is fixedly installed at the output end of the motor (16), and the lead screw (17) meshes with the lead screw nut (14).

4. The road and bridge bearing capacity testing device according to claim 3, characterized in that: A level (18) is fixedly installed at the front of the base (1), a weighing sensor (19) is fixedly installed in the middle of the base (1), a support block (20) is fixedly installed at the rear of the base (1), a connecting plate (21) is fixedly installed above the support block (20), a hydraulic cylinder (22) is fixedly installed above the connecting plate (21), an output shaft (23) is fixedly installed at the output end of the hydraulic cylinder (22), and a pressure block (24) is fixedly installed at the bottom of the output shaft (23).

5. The road and bridge bearing capacity testing device according to claim 1, characterized in that: There are four placement platforms (9), all of which are located above the base (1). There are multiple anti-slip mats (10), which are located above the four placement platforms (9).

6. The road and bridge bearing capacity testing device according to claim 4, characterized in that: There are two slides (6), and there are four sliders (7) and four sliders (11). The four sliders (7) and four sliders (11) are located on the left and right sides of the weighing sensor (19). The surface of the lead screw (17) is threaded and distributed in opposite directions with the center point of the weighing sensor (19) as the center. A hydraulic cylinder (25) is fixedly installed above the connecting plate (21). An oil pipe (26) is fixedly installed on the outside of the hydraulic cylinder (25). The oil pipe (26) is fixedly connected to the hydraulic cylinder (22).

Images