A concrete vibrating table

Abstract

The utility model relates to concrete test technical field discloses a concrete vibration table, including base, the base top four corners all are fixedly connected with telescopic link, the telescopic link outer periphery is equipped with spring, four telescopic link top between fixedly connected with fixed base, the fixed base inside both sides all are equipped with the limit slot, the fixed base top slidingly connected with the placing table, the placing table bottom both sides all are fixedly connected with the limit block, be provided with two connecting frames between the limit block with the base, the fixed base bottom fixedly connected with four fixed column, four fixed column bottom between fixedly connected with the drive board. In the utility model, when carrying out the test to the concrete sample, can vibrate the sample fully, the simulated vibration condition can be more in accord with actual construction condition, and then improve the precision of test, provide more accurate parameter setting for subsequent construction equipment.

Description

Technical Field

[0001] This utility model relates to the field of concrete testing technology, and in particular to a concrete vibration table. Background Technology

[0002] A concrete vibrating table is a device used to test concrete during the production process. The prepared concrete is placed on a storage container, which is then fixed to the vibrating table. The vibration of the table thoroughly mixes, impregnates, contacts, and removes internal gases from the concrete. The vibration of the table effectively tests the vibration parameters of that type of concrete during construction, ensuring that the vibration parameters of the vibrator on the concrete vibrator can be set correctly during subsequent construction.

[0003] Currently, most concrete vibration tables achieve rapid vibration through vibration motors or cam structures. These vibration structures typically only allow the vibration table to vibrate rapidly up and down. However, in actual construction, the vibrating rods of the vibrator often extend into the poured concrete, resulting in multi-directional vibration. Consequently, existing vibration tables differ from actual construction results during simulation testing, leading to certain deviations in the simulation test parameters. Therefore, a new type of concrete vibration table is proposed. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a concrete vibration table, which aims to improve the problem that the vibration table in the prior art has differences between the simulation test and the actual construction, and the parameters of the simulation test will also have certain deviations.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a concrete vibration table, including a base, with telescopic rods fixedly connected to the four corners of the top of the base, springs sleeved on the outer periphery of the telescopic rods, a fixed seat fixedly connected between the tops of the four telescopic rods, limit grooves formed on both sides of the interior of the fixed seat, a placement platform slidably connected to the top of the fixed seat, limit blocks fixedly connected to both sides of the bottom of the placement platform, two connecting frames provided between the limit blocks and the base, four fixed columns fixedly connected to the bottom of the fixed seat, a drive plate fixedly connected between the bottoms of the four fixed columns, fixed plates fixedly connected to both sides of the top of the base, a motor fixedly connected to the outer side of one of the fixed plates, a rotating rod fixedly connected to the output end of the motor, the two ends of the rotating rod rotatably connected between the interiors of the two fixed plates, multiple cams fixedly connected to the middle of the outer periphery of the rotating rod, and a fixing assembly installed on the top of the placement platform.

[0006] As a further description of the above technical solution:

[0007] The fixing assembly includes a worktable, the bottom of which is fixedly connected to the top of the placement platform. A cylinder is fixedly connected to the outer periphery of the worktable. Four sliding grooves are provided on the top of the worktable. A sliding rod is fixedly connected inside the sliding groove. A slider is slidably connected to the outer periphery of the sliding rod. A clamping block is fixedly connected to the top of the slider. A turntable is rotatably connected to the inner top wall of the worktable. A connecting rod is provided between the edge of the turntable and the bottom of the slider. One of the sliders is fixedly connected to the cylinder output end on the side away from the turntable.

[0008] As a further description of the above technical solution:

[0009] The top hinge of the connecting frame is connected to the bottom of the limiting block, and the bottom hinge of the connecting frame is connected to the top of the base.

[0010] As a further description of the above technical solution:

[0011] The limiting block is slidably connected to the inside of the limiting groove on its outer side, and the cross-section of the limiting block is T-shaped.

[0012] As a further description of the above technical solution:

[0013] The outer periphery of the cam abuts against the top of the drive plate, the top end of the spring is fixedly connected to the bottom of the fixed seat, and the bottom end of the spring is fixedly connected to the middle of the telescopic rod.

[0014] As a further description of the above technical solution:

[0015] The outer side of the slider is slidably connected to the inside of the groove, and the bottom of the clamping block is slidably connected to the top of the worktable.

[0016] As a further description of the above technical solution:

[0017] One end of the connecting rod is rotatably connected to the bottom of the slider, and the other end of the connecting rod is rotatably connected to the bottom edge of the turntable.

[0018] This utility model has the following beneficial effects:

[0019] 1. In this utility model, through the cooperation of telescopic rod, spring, fixed seat, limiting groove, placement platform, limiting block, connecting frame, fixed column, drive plate, fixed plate, motor, rotating rod, and cam, the concrete vibration table can fully vibrate the concrete sample when testing it. The simulated vibration conditions can better match the actual construction conditions, thereby improving the accuracy of the test and providing more accurate parameter settings for subsequent construction equipment.

[0020] 2. In this utility model, through the cooperation of the worktable, cylinder, slide, slide rod, slider, clamp, turntable and connecting rod, the concrete vibration table can conveniently and quickly fix the concrete sample storage equipment of different models, ensuring that the concrete sample and storage equipment will not fall off when the vibration table is performing vibration testing. Attached Figure Description

[0021] Figure 1 This is a perspective view of a concrete vibration table proposed in this utility model.

[0022] Figure 2 This is a schematic diagram of the cam structure of a concrete vibration table proposed in this utility model.

[0023] Figure 3 This is a schematic diagram of the drive plate structure of a concrete vibration table proposed in this utility model.

[0024] Figure 4 This is a schematic diagram of the internal structure of the workbench of a concrete vibration table proposed in this utility model.

[0025] Legend:

[0026] 1. Base; 2. Telescopic rod; 3. Spring; 4. Fixed seat; 5. Limiting groove; 6. Placement platform; 7. Limiting block; 8. Connecting frame; 9. Fixed column; 10. Drive plate; 11. Fixed plate; 12. Motor; 13. Rotating rod; 14. Cam; 15. Worktable; 16. Cylinder; 17. Slide groove; 18. Slide rod; 19. Slider; 20. Clamping block; 21. Turntable; 22. Connecting rod. Detailed Implementation

[0027] 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.

[0028] Reference Figure 1 and Figure 2This utility model provides an embodiment of a concrete vibration table, including a base 1. The base 1 is fixed to the table surface by bolts or cement to ensure that the vibration table does not shake when started. Telescopic rods 2 are fixedly connected to the four corners of the top of the base 1. Springs 3 are sleeved on the outer periphery of the telescopic rods 2. A fixed seat 4 is fixedly connected between the tops of the four telescopic rods 2. The fixed seat 4 can be pushed upward by the thrust of the springs 3, so that the fixed seat 4 can return to its original position upward after moving downward with the help of the springs 3. Limiting grooves 5 are formed on both sides of the interior of the fixed seat 4. A placement platform 6 is slidably connected to the top of the fixed seat 4. Limiting blocks 7 are fixedly connected to both sides of the bottom of the placement platform 6. Two connecting frames 8 are provided between the limiting blocks 7 and the base 1. When the fixed seat 4 moves downward, it drives the limiting blocks 7 to move downward synchronously, so that the limiting blocks 7 slide backward along the inside of the limiting grooves 5 under the action of the connecting frames 8, thereby pushing the placement platform 6 to move backward on the fixed seat 4. At the same time, when the fixed seat 4 moves upward, the connecting frame 8 will pull the limiting block 7 to move forward inside the limiting groove 5, thereby causing the placement platform 6 to reset forward on the fixed seat 4, thus achieving the purpose of the placement platform 6 being able to vibrate back and forth.

[0029] Reference Figures 1-3 The base 4 has four fixed posts 9 fixedly connected to its bottom, and a drive plate 10 fixedly connected between the bottoms of the four fixed posts 9. The base 1 has fixed plates 11 fixedly connected to both sides of its top. A motor 12 is fixedly connected to the outer side of one of the fixed plates 11. A rotating rod 13 is fixedly connected to the output end of the motor 12. The two ends of the rotating rod 13 are rotatably connected between the interiors of the two fixed plates 11. Multiple cams 14 are fixedly connected to the center of the outer periphery of the rotating rod 13. Starting the motor 12 drives the rotating rod 13 to rotate, which in turn drives the three cams 14 on it to rotate. When the cams 14 rotate, their protruding parts push the drive plate 10 downwards, causing the drive plate 10 to push the base 4 downwards via the fixed posts 9. As the base 4 moves downwards, it compresses the telescopic rod 2 and simultaneously compresses the spring 3 outside the telescopic rod 2. When the protruding part of cam 14 rotates from its lowest point to its highest point, the spring 3 returns to its original position, pushing the fixed seat 4 upward. Simultaneously, the fixed seat 4 drives the fixed column 9 to move the drive plate 10 upward, ensuring it contacts the outer periphery of cam 14. This continuous reciprocating motion causes the fixed seat 4 to vibrate up and down, resulting in continuous up-and-down vibration between the limiting groove 5 at the top of the fixed seat 4 and the fixed concrete sample. A fixing assembly is installed on the top of the placement platform 6, which effectively secures the storage device containing the concrete sample.

[0030] Reference Figures 1-3The top of the connecting frame 8 is hinged to the bottom of the limiting block 7, and the bottom of the connecting frame 8 is hinged to the top of the base 1. This allows the limiting block 7 to be pushed or pulled by the connecting frame 8 under the interaction of forces when driven by the fixed seat 4. This enables the limiting block 7 to vibrate back and forth with the fixed seat 4, causing the limiting block 7 and the top placement platform 6 to vibrate accordingly. The outer side of the limiting block 7 is slidably connected inside the limiting groove 5. The limiting block 7 has a T-shaped cross-section, allowing it to cooperate with the placement platform 6. When the fixed seat 4 moves downward, the T-shaped structure pulls the limiting block 7 downward; when it moves upward, the placement platform 6 limits its movement. The outer periphery of the cam 14 abuts against the top of the drive plate 10, allowing the rotation of the cam 14 to drive the drive plate 10 to reciprocate up and down. The top end of the spring 3 is fixedly connected to the bottom of the fixed base 4, and the bottom end of the spring 3 is fixedly connected to the middle of the telescopic rod 2. Through the combined action of the spring 3 and the cam 14, the fixed base 4 can achieve the purpose of continuous up and down vibration.

[0031] Reference Figure 1 and Figure 4 The fixing assembly includes a worktable 15, the bottom of which is fixedly connected to the top of the placement platform 6. This allows the vibration of the placement platform 6 in the vertical and horizontal directions to be directly transmitted to the worktable 15, and then to the concrete sample placed on the worktable 15. A cylinder 16 is fixedly connected to the outer periphery of the worktable 15. Four sliding grooves 17 are formed on the top of the worktable 15. A sliding rod 18 is fixedly connected inside each groove 17. A slider 19 is slidably connected to the outer periphery of each sliding rod 18. A clamping block 20 is fixedly connected to the top of each slider 19. A turntable 21 is rotatably connected to the inner top wall of the worktable 15. A connecting rod 22 is provided between the edge of the turntable 21 and the bottom of each slider 19. One side of the slider 19 away from the turntable 21 is fixedly connected to the output end of the cylinder 16. Activating the cylinder 16 pushes one of the sliders 19 connected to it to slide inside the groove 17. The sliding of the slider 19 causes the clamping block 20 on its top to move towards the center of the top of the worktable 15. Simultaneously, the connecting rod 22 at the bottom of the slider 19 connected to the cylinder 16 also moves, pushing the turntable 21 to rotate. As the turntable 21 rotates, it pulls the other three connecting rods 22 connected to it to move synchronously, thereby pulling the corresponding sliders 19 to slide inside the slide groove 17. At this time, the four sliders 19 synchronously move towards the center of the worktable 15 inside the slide groove 17. This clamps and fixes the storage device placed on top of the worktable 15, achieving all-around clamping through forces in four directions, preventing the storage device from falling when the vibration table starts testing.

[0032] Reference Figure 4The slider 19 is slidably connected to the inside of the slide groove 17, allowing it to slide stably around the outer periphery of the slide rod 18. This, in turn, allows the clamping block 20 to stably clamp and fix the equipment containing the concrete sample. The bottom of the clamping block 20 is slidably connected to the top of the worktable 15, further ensuring the stability of its movement through the cooperation between the clamping block 20 and the worktable 15. One end of the connecting rod 22 is rotatably connected to the bottom of the slider 19, and the other end is rotatably connected to the bottom edge of the turntable 21. The connecting rod 22 transmits the force applied by the slider 19 to the turntable 21, causing the turntable 21 to rotate and move the other connecting rod 22, thus moving the other slider 19.

[0033] Working Principle: During the vibration test of concrete samples, the device containing the sample is placed on the worktable 15. Then, by activating the cylinder 16, a slider 19 connected to it slides inside the groove 17. The sliding of the slider 19 causes the clamping block 20 at its top to move towards the center of the worktable 15. Simultaneously, the connecting rod 22 at the bottom of the slider 19, connected to the cylinder 16, also moves, pushing the turntable 21 to rotate. As the turntable 21 rotates, it pulls the other three connecting rods 22 to move synchronously, which in turn pull the corresponding sliders 19 to slide inside the groove 17. At this time, all four sliders 19 move synchronously towards the center of the worktable 15 inside the groove 17. This clamps and fixes the storage device placed on top of the worktable 15, achieving omnidirectional clamping through forces in four directions, preventing the storage device from falling when the vibration table is activated for testing.

[0034] After the equipment containing the concrete sample is fixed on the vibration table, the motor 12 drives the rotating rod 13 to rotate, which in turn drives the three cams 14 on it to rotate. When the cams 14 rotate, the protruding parts push the drive plate 10 downward, which in turn pushes the fixed seat 4 downward through the fixed column 9. As the fixed seat 4 moves downward, it compresses the telescopic rod 2 and the spring 3 outside the telescopic rod 2. When the protruding part of the cam 14 rotates from the lowest point to the highest point, the spring 3 returns to its original position and pushes the fixed seat 4 upward. At the same time, the fixed seat 4 drives the fixed column 9 to move the drive plate 10 upward, ensuring that it contacts the outer periphery of the cam 14. By repeating this process continuously, the fixed seat 4 vibrates up and down, thereby causing the limiting groove 5 at the top of the fixed seat 4 and the fixed concrete sample to vibrate up and down repeatedly. Furthermore, when the cam 14 rotates and moves the fixed seat 4 downward, the fixed seat 4 pulls the T-shaped limiting block 7 downward as well. Simultaneously, the downward movement of the limiting block 7 exerts a force on the connecting frame 8. Since there is no displacement between the bottom of the connecting frame 8 and the base 1, the interaction of forces causes the connecting frame 8 to push the limiting block 7 to slide inside the limiting groove 5, which in turn causes the limiting groove 5 to slide backward on the fixed seat 4. When the spring 3 returns to its original position and pushes the fixed seat 4 upward, the tension of the connecting frame 8 pulls the limiting block 7 forward, causing the limiting groove 5 to move forward on the fixed seat 4. This continuous movement allows the limiting groove 5 to vibrate back and forth on the fixed seat 4. Therefore, when the vibration table starts, it can simultaneously perform vertical vibration tests on the concrete sample and horizontal back and forth vibration tests, making the simulated test scenario more closely resemble the actual construction scenario, thereby improving the test accuracy and providing more accurate parameter settings for subsequent construction equipment.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A concrete vibration table, comprising a base (1), characterized in that: The base (1) has four telescopic rods (2) fixedly connected to its top corners. Each telescopic rod (2) has a spring (3) sleeved around its outer periphery. A fixed seat (4) is fixedly connected between the tops of the four telescopic rods (2). Limiting grooves (5) are provided on both sides of the fixed seat (4). A placement platform (6) is slidably connected to the top of the fixed seat (4). Limiting blocks (7) are fixedly connected to both sides of the bottom of the placement platform (6). Two connecting brackets (8) are provided between the limiting blocks (7) and the base (1). Four connecting brackets (8) are fixedly connected to the bottom of the fixed seat (4). A fixed column (9) is fixedly connected to the bottom of the four fixed columns (9), and a drive plate (10) is fixedly connected to the bottom of the base (1). A fixed plate (11) is fixedly connected to both sides of the top of the base (1). A motor (12) is fixedly connected to the outside of one of the fixed plates (11). A rotating rod (13) is fixedly connected to the output end of the motor (12). The two ends of the rotating rod (13) are rotatably connected between the two fixed plates (11). Multiple cams (14) are fixedly connected to the middle of the outer periphery of the rotating rod (13). A fixing component is installed on the top of the placement platform (6).

2. A concrete vibrating table according to claim 1, characterized in that: The fixing assembly includes a workbench (15), the bottom of which is fixedly connected to the top of the placement platform (6). A cylinder (16) is fixedly connected to the outer periphery of the workbench (15). Four sliding grooves (17) are provided on the top of the workbench (15). A sliding rod (18) is fixedly connected inside the sliding groove (17). A slider (19) is slidably connected to the outer periphery of the sliding rod (18). A clamping block (20) is fixedly connected to the top of the slider (19). A turntable (21) is rotatably connected to the inner top wall of the workbench (15). A connecting rod (22) is provided between the edge of the turntable (21) and the bottom of the slider (19). One of the sliders (19) is fixedly connected to the output end of the cylinder (16) on the side away from the turntable (21).

3. A concrete vibrating table according to claim 1, characterized in that: The top hinge of the connecting frame (8) is connected to the bottom of the limiting block (7), and the bottom hinge of the connecting frame (8) is connected to the top of the base (1).

4. A concrete vibrating table according to claim 1, characterized in that: The limiting block (7) is slidably connected to the inside of the limiting groove (5) on the outside, and the cross section of the limiting block (7) is T-shaped.

5. A concrete vibrating table according to claim 1, characterized in that: The outer periphery of the cam (14) abuts against the top of the drive plate (10), the top end of the spring (3) is fixedly connected to the bottom of the fixed seat (4), and the bottom end of the spring (3) is fixedly connected to the middle of the telescopic rod (2).

6. A concrete vibrating table according to claim 2, characterized in that: The slider (19) is slidably connected to the inside of the groove (17) on the outside, and the clamp (20) is slidably connected to the top of the worktable (15) on the bottom.

7. A concrete vibrating table according to claim 2, characterized in that: One end of the connecting rod (22) is rotatably connected to the bottom of the slider (19), and the other end of the connecting rod (22) is rotatably connected to the bottom edge of the turntable (21).

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