Concrete slab thickness change trend testing device
By designing a concrete slab thickness change trend test device with a pressure block structure connected by spring group, the problems of low accuracy and complex operation of traditional detection methods are solved, efficient and accurate thickness detection is achieved, and the safety and cost-effectiveness of the detection process are ensured.
Patent Information
- Application Number
- CN202422215323.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Traditional concrete slab thickness detection methods have the disadvantages of low accuracy, complex operation, long time consumption and possible damage to the structure, and cannot meet the needs of modern construction projects for efficient and accurate inspection.
A concrete slab thickness change trend test device is designed, using a spring-connected upper and lower pressure block structure to achieve real-time observation and recording of thickness changes through scales and scale indicators. The structure is simple, convenient to operate and does not damage the concrete slab.
It realizes efficient and precise detection of the changing trend of concrete slab thickness, is easy to install and use, is low in cost and does not damage the concrete slab structure.
Smart Images

Figure CN223005469U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of concrete slab thickness testing, in particular to a device for testing the thickness change trend of a concrete slab. Background Art
[0002] In the current field of construction engineering, as an important load-bearing and partitioning component, the accuracy and uniformity of the thickness of a concrete slab are crucial for ensuring the overall structural safety and stability of a building. However, traditional concrete slab thickness detection methods often have problems such as low accuracy, complex operation, and long time consumption, and cannot meet the requirements of modern construction engineering for efficient and accurate detection.
[0003] Traditional concrete slab thickness detection methods mainly include: for an uninstalled structure, the method of manual ruler measurement and observation is used, and for an installed structure, the steel bar insertion method, ultrasonic detection method, etc. are used.
[0004] Regarding the traditional ruler measurement method for an uninstalled concrete slab structure, there are disadvantages such as discontinuous measurement, troublesome recording, and low accuracy. If the steel bar insertion method, ultrasonic detection method, etc. are used, there will be disadvantages such as damage to the structure itself and high cost.
[0005] Therefore, developing a new device for testing the thickness change trend of a concrete slab has important practical application value and significance, with a simple structure, convenient operation, and no damage to the concrete slab itself. Summary of the Utility Model
[0006] The technical problem to be solved by the utility model is: to overcome the deficiencies in the prior art, and provide a device for testing the thickness change trend of a concrete slab.
[0007] The technical solution adopted by the utility model to solve its technical problem is: a device for testing the thickness change trend of a concrete slab, the concrete slab to be tested is erected through brackets at the left and right ends, including upper and lower pressure blocks, and the two pressure blocks are connected by a spring group. The pressure blocks are respectively arranged at the upper and lower ends of the concrete slab to be tested and are tightened by the spring group;
[0008] Oblique grooves are arranged on the left and right sides of the pressure block, a frame plate wheel is arranged at the bottom of the pressure block, and clamping members are arranged on the left and right sides of the frame plate wheel. The frame plate wheel is quickly installed by clamping the clamping members into the corresponding left and right grooves;
[0009] A scale is installed on the left side of the pressure block near the front end face through a bolt, and a scale indicating member is arranged on the front end face of the pressure block;
[0010] When the pressure block is moved, the scale indicating member will move up and down with the undulation of the concrete slab surface, facilitating the observation and recording of the thickness change value at any time.
[0011] Further, the spring group of the present utility model includes four springs in total, arranged in front and back and symmetrically in pairs; they are respectively placed on the front and back sides of the concrete slab.
[0012] Further, arc-shaped side pull members are provided on both the front end face and the rear end face of the pressure block of the present utility model. The arc-shaped side pull members connect the pressure blocks above and below, facilitating side pulling.
[0013] Further, a push-pull handle is also provided on the top of the pressure block of the present utility model; it is convenient to push and pull from the top of the corresponding pressure block.
[0014] Further, the bottom of the pressure block of the present utility model is coated with a smooth metal skin;
[0015] When the frame plate wheels are not used, they can be removed, and the smooth metal skin directly contacts the surface of the concrete slab for moving operations, and can be selected according to the surface structure of the concrete slab to be measured.
[0016] The beneficial effects of the present utility model are as follows: A new type of test device for the thickness change trend of concrete slabs of the present utility model overcomes the defects existing in the prior art. Through the elastic pressure block structure, the thickness change trend of the concrete slab can be observed and recorded at any time during the moving test. The installation and use are very convenient. In addition, the structure of the present utility model is simple, the cost is low, and the structure of the concrete slab itself will not be damaged during measurement. Description of the Drawings
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0018] Figure 1 is the structural schematic diagram of the present utility model;
[0019] Figure 2 is Figure 1 the enlarged view of part A in
[0020] Reference numerals in the figure: 1. Concrete slab to be tested, 2. Bracket, 3. Pressure block, 4. Spring group, 5. Groove, 6. Frame plate wheel, 7. Clamping member, 8. Bolt, 9. Scale, 10. Scale indicating member, 11. Arc-shaped side pull member, 12. Push-pull handle. Detailed Embodiments
[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0022] As Figure 1 and Figure 2 shown, a test device for the thickness change trend of a concrete slab. The concrete slab 1 to be tested is erected by brackets 2 at its left and right ends, and includes upper and lower pressure blocks 3. The two pressure blocks 3 are connected by a spring group 4. The pressure blocks 3 are respectively arranged at the upper and lower ends of the concrete slab 1 to be tested and are tightened by the spring group 4.
[0023] Oblique grooves 5 are arranged on the left and right sides of the pressure block 3, and a frame plate wheel 6 is arranged at the bottom of the pressure block 3. Clamping members 7 are arranged on the left and right sides of the frame plate wheel 6. The frame plate wheel 6 is quickly installed by clamping the clamping members 7 into the corresponding grooves 5 on the left and right. A scale 9 is installed on the pressure block 3 near the front end face on the left side by a bolt 8, and a scale indicating member 10 is arranged on the front end face of the pressure block 3.
[0024] Among them, the spring group 4 includes a total of four springs arranged in the front and rear and symmetrically in pairs, and are respectively arranged on the front and rear sides of the concrete slab. Arc-shaped side pull members 11 are arranged on both the front end face and the rear end face of the pressure block 3. The arc-shaped side pull members 11 connect the upper and lower pressure blocks 3, which is convenient for side pulling. A push-pull handle 12 is also arranged on the top of the pressure block 3, which is convenient for pushing and pulling from the top of the corresponding pressure block. The bottom of the pressure block 3 is covered with a smooth metal skin.
[0025] Working principle:
[0026] Connect the upper and lower pressure blocks with four springs, sleeved the two pressure blocks together with the springs on the concrete slab to be tested. The upper and lower pressure blocks are closely attached to the upper and lower surfaces of the concrete slab under the action of the springs.
[0027] When moving the pressure block through the arc-shaped side pull member or the push-pull handle, the scale indicating member will move up and down with the undulation of the concrete slab surface, which is convenient for observing and recording the thickness change value at any time.
[0028] It is possible to choose whether to use the frame plate wheel according to the surface structure of the concrete slab to be tested. When not using the frame plate wheel, it can be removed, and the smooth metal skin can be directly used to contact the concrete slab surface for moving operation.
[0029] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.
Claims
1. A device for testing the thickness variation trend of a concrete slab, wherein a concrete slab to be tested (1) is erected by brackets (2) at left and right ends, and is characterized in that: It comprises two upper and lower pressure blocks (3), the two pressure blocks (3) are connected via a spring group (4), the pressure blocks (3) are respectively arranged at the upper and lower ends of the concrete slab (1) to be tested, and are tightened by the spring group (4); The left and right sides of the pressure block (3) are provided with oblique grooves (5), the bottom of the pressure block (3) is provided with a frame plate wheel (6), and the left and right sides of the frame plate wheel (6) are provided with clamping parts (7), and the frame plate wheel (6) can be quickly installed by clamping the clamping parts (7) into the corresponding left and right grooves (5); A scale (9) is installed on the left side of the pressure block (3) near the front end surface via bolts (8), and a scale indicator (10) is arranged on the front end surface of the pressure block (3).
2. A concrete slab thickness variation trend testing device as claimed in claim 1, characterized in that: The spring group (4) comprises four springs in total, which are symmetrically arranged in pairs.
3. A concrete slab thickness variation trend testing device as claimed in claim 1, characterized in that: The front end face and the rear end face of the pressure block (3) are both provided with arc-shaped side pull members (11), and the arc-shaped side pull members (11) connect the upper and lower pressure blocks (3).
4. A concrete slab thickness variation trend testing device as claimed in claim 1, characterized in that: A push-pull handle (12) is also provided on the top of the pressure block (3).
5. A concrete slab thickness variation trend testing device as claimed in claim 1, characterized in that: The bottom of the pressure block (3) is covered with a smooth metal skin.