A testing and experimental platform for traffic engineering

Abstract

This invention relates to the field of traffic engineering, specifically to a testing platform for traffic engineering. The platform includes a testing stand with a U-shaped frame fixedly connected to its upper surface. A lifting plate is slidably connected inside the U-shaped frame. Two symmetrical first wedge plates are fixedly connected to the bottom surface of the lifting plate. Two symmetrical moving blocks are slidably connected to the upper surface of the testing stand, and second wedge plates are fixedly connected to the upper surfaces of both moving blocks. This invention enables the automatic clamping of materials by synchronously linking the lifting plate and the pressure testing plate during movement. After testing, the clamping is released by a first spring, and the material is automatically pushed to an external receiving device by a pusher plate driven by the driving mechanism. This eliminates the need for manual intervention in the clamping and material handling processes, effectively solving the problem of poor continuity in existing technologies. This not only reduces labor intensity but also significantly improves testing efficiency.

Description

Technical Field

[0001] This invention relates to the field of traffic engineering technology, and more specifically to a testing and experimental platform for traffic engineering. Background Technology

[0002] Traffic engineering testing encompasses two major areas: highway engineering and waterway engineering testing. It involves specialized testing activities conducted in accordance with national laws and regulations, as well as engineering construction technical standards, specifications, and procedures, to assess the quality and technical indicators of materials, components, engineering products, and the physical structures used in highway and waterway engineering. The results directly impact the construction quality and operational safety of traffic engineering projects. Among the various testing items for materials used in traffic construction projects, compressive strength testing is one of the core indicators, directly affecting the load-bearing capacity and durability of the engineering structure, thus possessing crucial practical significance.

[0003] Currently, in the existing testing benches, clamping and fixing the material to be tested is a necessary step to ensure the accuracy of the test data. However, after the test is completed, the fixing must be released first, and then the material must be manually removed from the testing bench. In the entire testing process, the fixing, unfixing and material removal are independent of each other, with very poor continuity. Especially when dealing with batch material testing, operators need to perform repeated operations, which not only increases the labor intensity but also leads to low testing efficiency.

[0004] Therefore, the present invention provides a testing bench for traffic engineering to solve the above problems. Summary of the Invention

[0005] In view of the above situation and to overcome the defects of the prior art, the present invention provides a testing bench for traffic engineering, which solves the problem that the existing technology has extremely poor continuity when conducting batch testing of materials, requiring operators to perform repeated operations, which not only increases labor intensity but also leads to low testing efficiency.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A testing platform for traffic engineering includes a testing platform. A U-shaped frame is fixedly connected to the upper surface of the testing platform. A lifting plate is slidably connected inside the U-shaped frame. Two symmetrical first wedge plates are fixedly connected to the bottom surface of the lifting plate. Two symmetrical moving blocks are slidably connected to the upper surface of the testing platform. A second wedge plate is fixedly connected to the upper surface of each of the two moving blocks. The second wedge plates correspond one-to-one with the first wedge plates, and the inclined surfaces of the second wedge plates contact the inclined surfaces of the first wedge plates. Mounting holes are provided inside the moving blocks. A first spring is fixedly connected inside the mounting holes. The other end of the first spring is fixedly connected to the inner wall of the U-shaped frame. A slider is slidably connected inside the testing platform. A first moving plate is fixedly connected to the upper surface of the slider. A connecting rod is fixedly connected to the front side of the first moving plate. A pusher plate is fixedly connected to the other end of the connecting rod. A driving mechanism is provided below the testing platform.

[0007] Preferably, a hydraulic rod is installed on the upper surface of the U-shaped frame, the telescopic end of the hydraulic rod slides through the upper surface of the U-shaped frame and is fixedly connected to the lifting plate, a support column is fixedly connected at the center of the bottom surface of the lifting plate, and a pressure detection plate is installed at the other end of the support column.

[0008] Preferably, both movable blocks are provided with a clamping mechanism. The clamping mechanism includes a bolt threaded inside the movable block. A clamping plate is rotatably installed at one end of the bolt near the pressure detection plate. A guide post is fixedly connected to the side of the clamping plate near the movable block. The other end of the guide post passes through the movable block and the U-shaped frame in sequence and extends to the outside of the U-shaped frame.

[0009] Preferably, both sides of the U-shaped frame are provided with clearance grooves to avoid bolts.

[0010] Preferably, the driving mechanism includes a first support plate fixedly connected to the bottom surface of the testing table, a first transmission shaft rotatably mounted inside the first support plate, a one-way bearing fixedly connected to the outer surface of the first transmission shaft, and a first gear fixedly connected to the outer ring of the one-way bearing.

[0011] Preferably, an L-shaped plate is fixedly connected to the back of the lifting plate, and a first toothed plate adapted to the first gear is fixedly connected to the bottom surface of the L-shaped plate.

[0012] Preferably, a second support plate is fixedly connected to the bottom surface of the testing platform, and a second transmission shaft is rotatably installed inside the second support plate. Both the outer surfaces of the second transmission shaft and the first transmission shaft are fixedly connected to bevel gears, and the two bevel gears mesh with each other.

[0013] Preferably, a third drive shaft is rotatably mounted inside the second support plate, and synchronous pulleys are fixedly connected to the outer surfaces of both the third drive shaft and the second drive shaft. The two synchronous pulleys are connected by a synchronous belt drive.

[0014] Preferably, a second movable plate is fixedly connected to the bottom surface of the slider, a second toothed plate is fixedly connected to the side of the second movable plate away from the first support plate, and a second gear adapted to the second toothed plate is fixedly connected to the outer surface of the third transmission shaft, and the second gear meshes with the second toothed plate.

[0015] Preferably, a second spring is fixedly connected to the side of the second movable plate away from the first support plate, and a third support plate is fixedly connected to the other end of the second spring. The upper surface of the third support plate is fixedly connected to the bottom surface of the testing table.

[0016] The beneficial effects of this invention are as follows: 1. When the lifting plate and pressure detection plate move, the present invention can synchronously link the clamping mechanism to realize the automatic clamping of materials. After the detection is completed, the first spring resets and releases the fixation. At the same time, the drive mechanism drives the pusher plate to automatically push the material to the external receiving device. There is no need for manual intervention in the fixing and material picking process, which effectively solves the problem of poor continuity in the prior art. Thus, it can not only reduce labor intensity, but also greatly improve detection efficiency.

[0017] 2. By tightening the bolts, the clamping plate can be moved horizontally, thus adapting to the compressive strength testing of traffic engineering materials of different sizes and types. There is no need to change the device for different materials, which significantly reduces the testing cost. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 This is a side view of the present invention.

[0020] Figure 3 This is a schematic diagram of the testing platform and U-shaped frame of the present invention.

[0021] Figure 4 This is a schematic diagram of the structure of the first wedge plate, the second wedge plate, and the moving block of the present invention.

[0022] Figure 5 This is a schematic diagram showing the connection between the mounting hole and the first spring in this invention.

[0023] Figure 6 This is a schematic diagram of the pusher plate and drive mechanism of the present invention.

[0024] Figure 7 This is a schematic diagram showing the connection between the first drive shaft and the one-way bearing of the present invention.

[0025] Figure 8 This is a schematic diagram showing the connection between the second gear and the second toothed plate of the present invention.

[0026] In the diagram: 1. Testing platform; 2. U-shaped frame; 3. Lifting plate; 4. Support column; 5. Pressure testing plate; 6. First wedge plate; 7. Second wedge plate; 8. Moving block; 9. Bolt; 10. Clamping plate; 11. Guide column; 12. Mounting hole; 13. First spring; 14. First moving plate; 15. Connecting rod; 16. Pushing plate; 17. First support plate; 18. Second support plate; 19. First drive shaft; 20. Second drive shaft; 21. Bevel gear; 22. One-way bearing; 23. First gear; 24. L-shaped plate; 25. First toothed plate; 26. Third drive shaft; 27. Synchronous pulley; 28. Second gear; 29. ​​Second moving plate; 30. Second toothed plate; 31. Second spring; 32. Third support plate; 33. Hydraulic rod. Detailed Implementation

[0027] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0028] As attached Figure 1-8 As shown, a testing platform for traffic engineering includes a testing platform 1. A U-shaped frame 2 is fixedly connected to the upper surface of the testing platform 1. A lifting plate 3 is slidably connected inside the U-shaped frame 2. Two symmetrical first wedge plates 6 are fixedly connected to the bottom surface of the lifting plate 3. Two symmetrical moving blocks 8 are slidably connected to the upper surface of the testing platform 1. A second wedge plate 7 is fixedly connected to the upper surface of each of the two moving blocks 8. The second wedge plate 7 corresponds one-to-one with the first wedge plate 6, and the inclined surface of the second wedge plate 7 contacts the inclined surface of the first wedge plate 6. The inclined surfaces of the first wedge plate 6 and the second wedge plate 7 are designed with a suitable tilt angle to ensure smooth transmission when they are in contact, accurately converting the vertical downward movement of the lifting plate 3 into the horizontal opposing movement of the moving blocks 8.

[0029] Both movable blocks 8 have mounting holes 12 inside. A first spring 13 is fixedly connected inside the mounting hole 12. The other end of the first spring 13 is fixedly connected to the inner wall of the U-shaped frame 2. When the first spring 13 is in its natural state, the movable block 8 is in contact with the inner wall of the U-shaped frame 2. When the movable block 8 moves towards the material, the first spring 13 is stretched and stores elastic potential. After the test is completed, the movable block 8 is quickly pulled back to its original position.

[0030] The testing table 1 has a slider connected inside, and a first moving plate 14 is fixedly connected to the upper surface of the slider. A connecting rod 15 is fixedly connected to the front of the first moving plate 14, and a pusher plate 16 is fixedly connected to the other end of the connecting rod 15. The testing table 1 has a groove inside that matches the slider, so that the first moving plate 14 can drive the connecting rod 15 and the pusher plate 16 to slide smoothly and horizontally. The bottom surface of the pusher plate 16 is flush with the upper surface of the testing table 1, so as to better push the material.

[0031] A hydraulic rod 33 is installed on the upper surface of the U-shaped frame 2. The telescopic end of the hydraulic rod 33 slides through the upper surface of the U-shaped frame 2 and is fixedly connected to the lifting plate 3. A support column 4 is fixedly connected to the center of the bottom surface of the lifting plate 3. A pressure detection plate 5 is installed at the other end of the support column 4. The hydraulic rod 33 is vertically installed at the center of the upper surface of the U-shaped frame 2 to ensure that the driving force can be evenly transmitted to the lifting plate 3, so as to realize the smooth lifting of the lifting plate 3. The pressure detection plate 5 integrates a pressure sensor, which can collect pressure data in real time during the detection process and transmit it to an external display device for easy reading of the detection results by the operator.

[0032] Both movable blocks 8 are equipped with clamping mechanisms, which include bolts 9 threaded inside the movable blocks 8. A clamping plate 10 is rotatably mounted on one end of the bolt 9 near the pressure detection plate 5. A guide post 11 is fixedly connected to the side of the clamping plate 10 near the movable blocks 8. The other end of the guide post 11 passes through the movable blocks 8 and the U-shaped frame 2 in sequence and extends to the outside of the U-shaped frame 2. The bolt 9 is adapted to the threaded hole inside the movable blocks 8. By rotating the bolt 9 clockwise or counterclockwise, the clamping plate 10 can be pushed to move towards or away from the material.

[0033] Both sides of the U-shaped frame 2 are provided with clearance grooves to avoid the bolts 9. By providing clearance grooves inside the U-shaped frame 2, it is convenient for workers to tighten the bolts 9.

[0034] A drive mechanism is provided below the testing platform 1. The drive mechanism includes a first support plate 17 fixedly connected to the bottom surface of the testing platform 1. A first transmission shaft 19 is rotatably mounted inside the first support plate 17. A one-way bearing 22 is fixedly connected to the outer surface of the first transmission shaft 19. A first gear 23 is fixedly connected to the outer ring of the one-way bearing 22. The locking direction of the one-way bearing 22 is set as follows: when the first gear 23 rotates clockwise, the one-way bearing 22 locks, driving the first transmission shaft 19 to rotate synchronously. When the first gear 23 rotates counterclockwise, the one-way bearing 22 rotates freely, and the first transmission shaft 19 remains stationary, thereby realizing the one-way transmission of power.

[0035] An L-shaped plate 24 is fixedly connected to the back of the lifting plate 3. A first toothed plate 25 that is adapted to the first gear 23 is fixedly connected to the bottom surface of the L-shaped plate 24. The tooth profile of the first toothed plate 25 is completely adapted to the tooth profile of the first gear 23. The length of the first toothed plate 25 is designed according to the maximum lifting stroke of the lifting plate 3 to ensure that the first toothed plate 25 can effectively mesh with the first gear 23 during the lowering and rising process of the lifting plate 3.

[0036] The bottom surface of the testing platform 1 is fixedly connected to a second support plate 18. A second transmission shaft 20 is rotatably mounted inside the second support plate 18. Both the outer surfaces of the second transmission shaft 20 and the first transmission shaft 19 are fixedly connected to bevel gears 21, and the two bevel gears 21 mesh with each other. The second support plate 18 is set perpendicular to the first support plate 17. The two bevel gears 21 are respectively interference-fitted with the first transmission shaft 19 and the second transmission shaft 20, and the meshing angle between them is ninety degrees, so as to realize the change of power transmission direction.

[0037] The third drive shaft 26 is rotatably mounted inside the second support plate 18. Synchronous pulleys 27 are fixedly connected to the outer surfaces of both the third drive shaft 26 and the second drive shaft 20. The two synchronous pulleys 27 are connected by a synchronous belt. The third drive shaft 26 and the second drive shaft 20 are arranged parallel to each other to ensure coaxiality when they rotate. The two synchronous pulleys 27 are of the same specification. The synchronous belt is made of high-strength rubber material, which can ensure synchronous transmission between the second drive shaft 20 and the third drive shaft 26, avoid speed difference, and ensure the accuracy of power transmission.

[0038] A second movable plate 29 is fixedly connected to the bottom surface of the slider. A second toothed plate 30 is fixedly connected to the side of the second movable plate 29 away from the first support plate 17. A second gear 28 adapted to the second toothed plate 30 is fixedly connected to the outer surface of the third transmission shaft 26. The second gear 28 meshes with the second toothed plate 30. The tooth profile of the second toothed plate 30 matches the tooth profile of the second gear 28. When the second gear 28 rotates, it can drive the second toothed plate 30 to move horizontally through tooth surface meshing, thereby driving the second movable plate 29, the slider, the first movable plate 14 and the pusher plate 16 to move synchronously to realize the pushing action.

[0039] A second spring 31 is fixedly connected to the side of the second moving plate 29 away from the first support plate 17. A third support plate 32 is fixedly connected to the other end of the second spring 31. The upper surface of the third support plate 32 is fixedly connected to the bottom surface of the detection table 1. The third support plate 32 is fixed on the other side of the bottom surface of the detection table 1, opposite to the first support plate 17. When the second spring 31 is in its natural state, the pusher plate 16 is located behind the two clamping plates 10, leaving enough space for material placement. When the pusher plate 16 moves towards the material, the second spring 31 is compressed, storing elastic potential energy. When the driving force disappears, the elastic potential energy is released, pulling the second moving plate 29 and the pusher plate 16 to quickly reset, preparing for the next detection.

[0040] Working principle First, adjust the position of clamping plate 10 according to the specifications of the material to be tested, place a single piece of material to be tested in the designated position on the testing table 1, control the extension of hydraulic rod 33, and drive the lifting plate 3 to move vertically downward. Simultaneously, the lifting plate 3 drives the first wedge plate 6, support column 4, and pressure detection plate 5 on the bottom surface to descend. During the descent of the first wedge plate 6, its inclined surface contacts the inclined surface of the second wedge plate 7 and generates a squeezing force, pushing the second wedge plate 7 to drive the moving block 8 to move horizontally towards the material. At the same time, the first spring 13 inside the moving block 8 is stretched. When the first wedge plate 6 has completely moved to one side of the second wedge plate 7, the moving block 8 moves to the maximum stroke position. At this time, stop the extension of hydraulic rod 33, and turn the bolts 9 on the two moving blocks 8 clockwise in sequence. The bolts 9 push the clamping plate 10 to move towards the material until the clamping plate 10 is in close contact with the material surface and is stably fixed. Record the degree of tightening of the bolts 9 at this time to complete the debugging. Subsequent testing of materials of the same specifications does not require further debugging.

[0041] During testing, the material to be tested is placed sequentially at the designated position on the testing table 1, ensuring that the back of the material is in contact with the pusher plate 16. The hydraulic rod 33 is extended, causing the lifting plate 3, the first wedge plate 6, and the pressure detection plate 5 to descend. The first wedge plate 6 presses against the second wedge plate 7, causing the moving block 8 to move the clamping plate 10 towards the material until the clamping plate 10 clamps the material with the adjusted force. The lifting plate 3 continues to descend, and the pressure detection plate 5 contacts the upper surface of the material and applies pressure. The pressure sensor inside the pressure detection plate 5 collects the compressive strength data in real time and transmits it to the external equipment. During this process, the lifting plate 3 causes the L-shaped plate 24 and the first toothed plate 25 to descend. The first toothed plate 25 contacts and meshes with the first gear 23, causing the first gear 23 to rotate counterclockwise. At this time, the one-way bearing 22 rotates freely, and the first drive shaft 19 does not rotate.

[0042] After the test is completed, the hydraulic rod 33 shortens, causing the lifting plate 3 to return to its original position. The first wedge plate 6 separates from the second wedge plate 7, and the first spring 13 releases its elastic potential energy, pulling the moving block 8 and the clamping plate 10 back to their original positions, releasing the fixation on the material. At the same time, the lifting plate 3 causes the first toothed plate 25 to move upward, and the first toothed plate 25 meshes with the first gear 23, causing the first gear 23 to rotate clockwise. At this time, the one-way bearing 22 locks, causing the first drive shaft 19 to rotate synchronously. The first drive shaft 19 drives the second drive shaft 20 to rotate through the bevel gear 21. The second drive shaft 20 drives the third drive shaft 26 to rotate through the synchronous pulley 27 and the synchronous belt. The three drive shafts 26 mesh with the second gear 28 and the second toothed plate 30, driving the second moving plate 29, the slider, the first moving plate 14, the connecting rod 15, and the pusher plate 16 to move towards the material direction. The second spring 31 is compressed. During the movement of the pusher plate 16, the tested material is pushed from the test table 1 to the preset receiving box to realize automatic material picking. When the lifting plate 3 continues to move upward, the first toothed plate 25 separates from the first gear 23, the power transmission of the drive mechanism is interrupted, the second spring 31 releases its elastic potential energy, and pulls the pusher plate 16 and related components to reset, preparing for the next test. This cycle is repeated to complete the compressive strength test of batch materials.

[0043] It should be noted that in the description of this invention, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0045] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A testing platform for traffic engineering, comprising a testing platform (1), characterized in that, The upper surface of the testing platform (1) is fixedly connected to a U-shaped frame (2). A lifting plate (3) is slidably connected inside the U-shaped frame (2). Two symmetrical first wedge plates (6) are fixedly connected to the bottom surface of the lifting plate (3). Two symmetrical moving blocks (8) are slidably connected to the upper surface of the testing platform (1). A second wedge plate (7) is fixedly connected to the upper surface of each of the two moving blocks (8). The second wedge plate (7) corresponds one-to-one with the first wedge plate (6), and the inclined surface of the second wedge plate (7) contacts the inclined surface of the first wedge plate (6). The moving block (8) is provided with mounting holes (12) inside. A first spring (13) is fixedly connected inside the mounting hole (12). The other end of the first spring (13) is fixedly connected to the inner wall of the U-shaped frame (2). A slider is slidably connected inside the detection table (1). A first moving plate (14) is fixedly connected to the upper surface of the slider. A connecting rod (15) is fixedly connected to the front of the first moving plate (14). A pusher plate (16) is fixedly connected to the other end of the connecting rod (15). A driving mechanism is provided below the detection table (1).

2. The testing bench for traffic engineering according to claim 1, characterized in that, A hydraulic rod (33) is installed on the upper surface of the U-shaped frame (2). The telescopic end of the hydraulic rod (33) slides through the upper surface of the U-shaped frame (2) and is fixedly connected to the lifting plate (3). A support column (4) is fixedly connected at the center of the bottom surface of the lifting plate (3). A pressure detection plate (5) is installed at the other end of the support column (4).

3. The testing bench for traffic engineering according to claim 1, characterized in that, Both of the moving blocks (8) are provided with clamping mechanisms. The clamping mechanisms include bolts (9) threaded inside the moving blocks (8). A clamping plate (10) is rotatably installed on one end of the bolt (9) near the pressure detection plate (5). A guide post (11) is fixedly connected to the side of the clamping plate (10) near the moving blocks (8). The other end of the guide post (11) passes through the moving blocks (8) and the U-shaped frame (2) in sequence and extends to the outside of the U-shaped frame (2).

4. The testing bench for traffic engineering according to claim 3, characterized in that, Both sides of the U-shaped frame (2) are provided with clearance grooves to avoid the bolts (9).

5. The testing bench for traffic engineering according to claim 1, characterized in that, The drive mechanism includes a first support plate (17) fixedly connected to the bottom surface of the testing table (1), a first transmission shaft (19) is rotatably mounted inside the first support plate (17), a one-way bearing (22) is fixedly connected to the outer surface of the first transmission shaft (19), and a first gear (23) is fixedly connected to the outer ring of the one-way bearing (22).

6. The testing bench for traffic engineering according to claim 5, characterized in that, An L-shaped plate (24) is fixedly connected to the back of the lifting plate (3), and a first toothed plate (25) adapted to the first gear (23) is fixedly connected to the bottom surface of the L-shaped plate (24).

7. A testing bench for traffic engineering according to claim 5, characterized in that, The bottom surface of the testing platform (1) is fixedly connected to a second support plate (18), and a second transmission shaft (20) is rotatably installed inside the second support plate (18). The outer surfaces of the second transmission shaft (20) and the first transmission shaft (19) are both fixedly connected to bevel gears (21), and the two bevel gears (21) mesh with each other.

8. A testing bench for traffic engineering according to claim 7, characterized in that, The third drive shaft (26) is rotatably mounted inside the second support plate (18). The outer surfaces of the third drive shaft (26) and the second drive shaft (20) are both fixedly connected to synchronous pulleys (27), and the two synchronous pulleys (27) are connected by a synchronous belt drive.

9. A testing bench for traffic engineering according to claim 8, characterized in that, The bottom surface of the slider is fixedly connected to a second movable plate (29), and the side of the second movable plate (29) away from the first support plate (17) is fixedly connected to a second toothed plate (30). The outer surface of the third transmission shaft (26) is fixedly connected to a second gear (28) that is adapted to the second toothed plate (30), and the second gear (28) meshes with the second toothed plate (30).

10. A testing bench for traffic engineering according to claim 9, characterized in that, The second movable plate (29) is fixedly connected to a second spring (31) on the side away from the first support plate (17), and the other end of the second spring (31) is fixedly connected to a third support plate (32). The upper surface of the third support plate (32) is fixedly connected to the bottom surface of the detection table (1).

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