Sand vibrating device for highway engineering detection

By introducing a positioning mechanism into the sand vibrating device, and using a servo motor and ball screw system to achieve precise positioning and stable clamping of cement test blocks, the problems of angle deviation and positional offset caused by manual placement are solved, and the data consistency and stability of test block placement are improved.

CN224122264UActive Publication Date: 2026-04-14JIAXING HEYE CONSTRUCTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

During the use of existing sand-vibrating devices, there may be slight angular deviations or positional shifts when manually placing cement test blocks, which can affect data consistency.

Method used

The positioning mechanism includes a servo motor, a ball screw, a ball nut, a moving sleeve, and a limiting mechanism. The servo motor drives the ball screw to move the connecting frame and the positioning connecting plate, thereby achieving precise positioning and stable clamping of the cement test block.

Benefits of technology

This ensures that cement test blocks are always in the preset position, reduces reliance on manual operation, and improves data consistency and the stability of test block placement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sand vibrating devices, and discloses a sand vibrating device for highway engineering detection, which comprises a sand vibrating table board, sand vibrating connecting legs are mounted at the bottom of the sand vibrating table board, sand vibrating connecting seats are arranged at the bottoms of the sand vibrating connecting legs, and a fixing plate is fixed at the top of the sand vibrating table board. By arranging the positioning mechanism, the two positioning connecting plates clamp and limit a cement test block, the test block can be strictly fixed and is ensured to be always in a preset position, slight angle deviation or position deviation possibly exists when the test block is manually placed, the limiting device adopts a standard clamping groove or clamping design, the operation dependence is reduced, and the working efficiency is improved. The data consistency is improved; by arranging the limiting mechanism, the corresponding face of the positioning nut is tightly attached to the positioning anti-skid gasket, the corresponding face of the positioning anti-skid gasket is tightly attached to the positioning connecting plate, the outer side of the cement test block is subjected to auxiliary limiting through the limiting baffle, and it is further ensured that the cement test block is stably placed.
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Description

Technical Field

[0001] This utility model relates to the field of sand-vibrating device technology, and in particular to a sand-vibrating device for highway engineering testing. Background Technology

[0002] Sand vibration platforms are mainly used to compact cement materials, reducing gaps and air in the material. In highway engineering, sand vibration platforms are typically used to compact cement into cement test blocks, test the relevant properties of the cement test blocks, and thus improve the quality of cement used in highway engineering.

[0003] However, in the use of existing sand-vibrating devices, slight angular deviations or positional shifts may occur when manually placing test blocks, affecting data consistency. Therefore, those skilled in the art have provided a sand-vibrating device for highway engineering testing to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a sand-vibrating device for highway engineering testing.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a sand-vibrating device for highway engineering testing, comprising a sand-vibrating table, a sand-vibrating connecting leg installed at the bottom of the sand-vibrating table, a sand-vibrating connecting seat provided at the bottom of the sand-vibrating connecting leg, a fixing plate fixed at the top of the sand-vibrating table, a positioning mechanism installed at the top of the sand-vibrating table, and a limit mechanism provided on the outside of the positioning mechanism.

[0006] The positioning mechanism includes a servo motor, one end of the output shaft of the servo motor is fixed with a ball screw, the outer side of the ball screw is threaded with a ball nut, one side of the ball nut is fixed with a movable sleeve, the outer side of the movable sleeve is fixed with a movable connecting frame, one end of the movable connecting frame is fixed with a positioning connecting plate, and the positioning connecting plate has a limit groove inside.

[0007] As a further description of the above technical solution:

[0008] The servo motor and the vibrating sand table are fixedly connected, and one end of the ball screw is connected to the fixed plate.

[0009] By adopting the above technical solution, the connection between the servo motor and the vibrating table can be ensured to be stable.

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

[0011] The movable connecting frame and the movable sleeve are fixed together by bolts, and the two ball nuts on the outside of each ball screw have opposite internal thread directions.

[0012] By adopting the above technical solution, the two ball nuts on the outside of each ball screw move in opposite directions.

[0013] As a further description of the above technical solution:

[0014] The movable connecting frame and the positioning connecting plate are fixed together by bolts, and the number of servo motors is specifically two.

[0015] By adopting the above technical solution, the positioning connecting plate moves when the two mobile connecting frames move simultaneously.

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

[0017] The movable sleeve has a through hole inside, the size of which is adapted to the size of the ball screw.

[0018] As a further description of the above technical solution:

[0019] The limiting mechanism includes a limiting baffle, an anti-detachment slider is fixed on one side of the limiting baffle, a handle plate is fixed on the outside of the anti-detachment slider, a fixing connecting block is fixed on one side of the anti-detachment slider, and a positioning threaded post that passes through the other side of the fixing connecting block is movably inserted into one side of the fixing connecting block.

[0020] As a further description of the above technical solution:

[0021] Two positioning anti-slip pads are movably sleeved on the outer side of the positioning threaded post, and two positioning nuts are threadedly connected to the outer side of the positioning threaded post.

[0022] As a further description of the above technical solution:

[0023] The anti-detachment slider and the limiting groove are sliding fit components, and the outer side of the positioning nut is provided with anti-slip texture.

[0024] This utility model has the following beneficial effects:

[0025] 1. Compared with existing technologies, this sand vibrating device for highway engineering testing has a positioning mechanism that allows two positioning connecting plates to clamp and limit the cement test block, which can strictly fix the test block and ensure that it is always in the preset position. Moreover, since manual placement of test blocks may result in slight angular deviations or positional shifts, the limiting device reduces operational dependence and improves data consistency through standardized slot or clamping design.

[0026] 2. Compared with the existing technology, the sand vibrating device for highway engineering testing has a limiting mechanism that ensures the corresponding surface of the positioning nut is in close contact with the positioning anti-slip pad, and the corresponding surface of the positioning anti-slip pad is in close contact with the positioning connecting plate. The limiting baffle further limits the outer side of the cement test block, thus ensuring the stability of the cement test block. Attached Figure Description

[0027] Figure 1 This is a perspective view of a sand-vibrating device for highway engineering testing proposed in this utility model;

[0028] Figure 2 This is a schematic diagram of the outer structure of the positioning mechanism of a sand vibrating device for highway engineering testing proposed in this utility model;

[0029] Figure 3 This is a schematic diagram of the positioning mechanism of a sand vibrating device for highway engineering testing proposed in this utility model;

[0030] Figure 4 This utility model Figure 3 A magnified diagram of region A.

[0031] Legend:

[0032] 1. Vibrating sand table; 2. Vibrating sand connecting leg; 3. Vibrating sand connecting seat; 4. Fixing plate; 5. Positioning mechanism; 51. Servo motor; 52. Ball screw; 53. Ball nut; 54. Moving sleeve; 55. Moving connecting frame; 56. Positioning connecting plate; 57. Limiting through groove; 6. Limiting mechanism; 61. Limiting baffle; 62. Anti-detachment slider; 63. Handle plate; 64. Fixing connecting block; 65. Positioning threaded post; 66. Positioning anti-slip pad; 67. Positioning nut. Detailed Implementation

[0033] 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.

[0034] Reference Figure 1-4 The present invention provides a sand-vibrating device for highway engineering testing, including a sand-vibrating table 1, a sand-vibrating connecting leg 2 installed at the bottom of the sand-vibrating table 1, a sand-vibrating connecting seat 3 provided at the bottom of the sand-vibrating connecting leg 2, a fixing plate 4 fixed at the top of the sand-vibrating table 1, a positioning mechanism 5 installed at the top of the sand-vibrating table 1, and a limit mechanism 6 provided on the outside of the positioning mechanism 5.

[0035] The positioning mechanism 5 includes a servo motor 51. A ball screw 52 is fixed to one end of the output shaft of the servo motor 51. A ball nut 53 is threaded onto the outer side of the ball screw 52. A movable sleeve 54 is fixed to one side of the ball nut 53. A movable connecting frame 55 is fixed to the outer side of the movable sleeve 54. A positioning connecting plate 56 is fixed to one end of the movable connecting frame 55. A limit groove 57 is formed inside the positioning connecting plate 56. The servo motor 51 is fixedly connected to the vibrating table 1. One end of the ball screw 52 is connected to the fixed plate 4 to ensure the proper functioning of the servo motor 51 and the vibrating table 1. The sanding table 1 is stably connected. The movable connecting frame 55 and the movable sleeve 54 are fixed together by bolts. The two ball nuts 53 on the outside of each ball screw 52 have opposite internal thread directions. The two ball nuts 53 on the outside of each ball screw 52 move in opposite directions. The movable connecting frame 55 and the positioning connecting plate 56 are fixed together by bolts. There are two servo motors 51. When the two movable connecting frames 55 move at the same time, they drive the positioning connecting plate 56 to move. The movable sleeve 54 has a through hole inside. The size of the through hole is adapted to the size of the ball screw 52.

[0036] The limiting mechanism 6 includes a limiting baffle 61. An anti-detachment slider 62 is fixed to one side of the limiting baffle 61. A handle plate 63 is fixed to the outside of the anti-detachment slider 62. A fixing connecting block 64 is fixed to one side of the anti-detachment slider 62. A positioning threaded post 65 is movably inserted into one side of the fixing connecting block 64 and passes through the other side. Two positioning anti-slip pads 66 are movably sleeved on the outside of the positioning threaded post 65. Two positioning nuts 67 are threadedly connected to the outside of the positioning threaded post 65. The anti-detachment slider 62 and the limiting through groove 57 are sliding fit components. Anti-slip texture is provided on the outside of the positioning nuts 67.

[0037] Working principle: The cement test block is placed on the vibrating sand table 1, and then the servo motor 51 is started. The output end of the servo motor 51 drives the ball screw 52 to rotate, causing the two ball nuts 53 to move the moving sleeve 54 and the moving connecting frame 55. The two ball nuts 53 on the outer side of each ball screw 52 have opposite internal thread directions. After the moving connecting frame 55 drives the positioning connecting plate 56 to move, the two positioning connecting plates 56 clamp and limit the cement test block, which can strictly fix the test block and ensure that it is always in the preset position. Moreover, there may be slight angular deviations or positional offsets when manually placing the test block. The limiting device meets the standard The design incorporates slots or clamps to reduce operational dependence and improve data consistency. By setting a limiting mechanism 6, after the corresponding surfaces of the two positioning connecting plates 56 are attached to the outside of the cement block, the handle plate 63 can be turned to move the anti-detachment slider 62 and the limiting baffle 61, so that the corresponding surface of the limiting baffle 61 is in close contact with the cement block. Then, the positioning nut 67 on the outside of the positioning threaded column 65 is rotated, so that the corresponding surface of the positioning nut 67 is in close contact with the positioning anti-slip pad 66, and the corresponding surface of the positioning anti-slip pad 66 is in close contact with the positioning connecting plate 56. The limiting baffle 61 provides auxiliary limiting to the outside of the cement block, further ensuring the stability of the cement block.

[0038] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are 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 sand-vibrating device for highway engineering testing, comprising a sand-vibrating platform (1), characterized in that, The bottom of the sand-vibrating table (1) is equipped with a sand-vibrating connecting leg (2), the bottom of the sand-vibrating connecting leg (2) is provided with a sand-vibrating connecting seat (3), the top of the sand-vibrating table (1) is fixed with a fixing plate (4), the top of the sand-vibrating table (1) is equipped with a positioning mechanism (5), and the outside of the positioning mechanism (5) is provided with a limit mechanism (6). The positioning mechanism (5) includes a servo motor (51), one end of the output shaft of the servo motor (51) is fixed with a ball screw (52), the outer side of the ball screw (52) is threaded with a ball nut (53), one side of the ball nut (53) is fixed with a movable sleeve (54), the outer side of the movable sleeve (54) is fixed with a movable connecting frame (55), one end of the movable connecting frame (55) is fixed with a positioning connecting plate (56), and the interior of the positioning connecting plate (56) has a limit slot (57).

2. The vibrating sand device for highway engineering testing according to claim 1, characterized in that, The servo motor (51) and the vibrating sand table (1) are fixedly connected, and one end of the ball screw (52) is connected to the fixing plate (4).

3. The vibrating sand device for highway engineering testing according to claim 1, characterized in that, The movable connecting frame (55) and the movable sleeve (54) are fixed together by bolts, and the two ball nuts (53) on the outside of each ball screw (52) have opposite internal thread directions.

4. The vibrating sand device for highway engineering testing according to claim 1, characterized in that, The movable connecting frame (55) and the positioning connecting plate (56) are fixed together by bolts, and the number of servo motors (51) is specifically two.

5. A sand-vibrating device for highway engineering testing according to claim 4, characterized in that, The movable sleeve (54) has a through hole inside, the size of which is adapted to the size of the ball screw (52).

6. A sand-vibrating device for highway engineering testing according to claim 1, characterized in that, The limiting mechanism (6) includes a limiting baffle (61), an anti-detachment slider (62) is fixed on one side of the limiting baffle (61), a handle plate (63) is fixed on the outside of the anti-detachment slider (62), a fixing connecting block (64) is fixed on one side of the anti-detachment slider (62), and a positioning threaded post (65) that penetrates through the other side of the fixing connecting block (64) is movably inserted into one side of the fixing connecting block (64).

7. A sand-vibrating device for highway engineering testing according to claim 6, characterized in that, Two positioning anti-slip pads (66) are movably sleeved on the outer side of the positioning threaded post (65), and two positioning nuts (67) are threadedly connected to the outer side of the positioning threaded post (65).

8. A sand-vibrating device for highway engineering testing according to claim 7, characterized in that, The anti-detachment slider (62) and the limiting through groove (57) are sliding fit components, and the outer side of the positioning nut (67) is provided with anti-slip texture.