Concrete floor thickness controller
By using an elevation platform and support frame to support the tied steel bars during concrete slab construction, and using the scale lines of the adjustment rod to determine the thickness, the problem of low measurement accuracy in the existing technology is solved, and more precise slab thickness control is achieved.
Patent Information
- Application Number
- CN202520103627.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-01-16
AI Technical Summary
In existing technologies, the measurement of concrete floor slab thickness is easily affected by concrete aggregates and reinforcing steel bars, resulting in low measurement accuracy.
An elevation platform is used as the reference for pouring thickness. The tied steel bars are supported by a support frame, and the pouring thickness is determined by the measuring scale on the adjusting rod, avoiding interference from sand, gravel and tied steel bars.
It improves the accuracy of concrete slab thickness measurement and ensures that the measurement process is not affected by concrete and reinforcing steel bars.
Smart Images

Figure CN223867668U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete construction technology, specifically a concrete floor slab thickness controller. Background Technology
[0002] Concrete construction refers to the process of fabricating and binding reinforcing bars, placing and fixing formwork, mixing raw materials that meet quality requirements and in accordance with the prescribed proportions, transportation, pouring, and curing, in accordance with the design drawings. At the same time, the entire process of quality control and inspection is carried out. Currently, the thickness of floor slabs is a key monitoring item in concrete engineering, and its control directly affects the safety and functionality of buildings.
[0003] In existing technologies, the thickness control of cast-in-place floor slabs is mainly achieved through a self-made steel bar insert method, which involves using 12mm steel bars welded together. During this process, a designated person continuously checks the concrete thickness at multiple locations using the insert during concrete paving. Then, a large-area string line is used to control the elevation of the entire cast-in-place surface, with at least five points per room and a spacing of no more than 2 meters. However, this manual insert method is easily affected by concrete aggregates, the obstruction of the reinforcing steel bars, and the angle of the insert, thus impacting the accuracy of the measurements.
[0004] According to announcement number CN215952432U, a concrete slab thickness controller relates to the field of building construction, specifically a concrete slab thickness measuring device used in cast-in-place concrete construction. It consists of a stainless steel rod and a stainless steel sliding cylinder. The bottom end of the stainless steel rod is tapered, and the surface of the rod has graduations indicating the height from bottom to top. The stainless steel sliding cylinder is fitted into the middle section of the stainless steel rod and slides in conjunction with it. The lower end of the sliding cylinder has a horizontally arranged annular metal plate. This design solves the problems of existing similar devices being complex to operate, requiring the use of a leveling rod or measuring tape, and unable to quickly and accurately measure the thickness of cast-in-place concrete slabs.
[0005] According to the slab thickness controller described above, the manual insertion method for inspection is easily affected by the sand and gravel in the concrete, the reinforcing bars, and the angle of the insertion, which affects the accuracy of the measurement. Therefore, we need to propose a concrete slab thickness controller. Utility Model Content
[0006] The purpose of this utility model is to provide a concrete slab thickness controller that uses an elevation platform as the reference for pouring thickness. The pouring personnel observe whether the poured concrete reaches the elevation of the platform, and then determine the pouring thickness by observing the measuring scale line on the adjustment rod. The supporting frame supports the tied reinforcing bars, so that the measurement process is not affected by the sand and gravel in the concrete, the tied reinforcing bars, etc., thereby improving the measurement accuracy of the slab thickness controller and solving the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a concrete floor slab thickness controller, comprising a base and an elevation platform. The base is located at the bottom end of the elevation platform, and a support frame for supporting the binding of reinforcing bars is provided at the top end of the base. An adjusting rod is fixedly connected to the bottom end of the elevation platform. The surface of the adjusting rod is inserted into and slides with the inner cavity of the support frame. A measuring scale line is provided on the surface of the adjusting rod, and the length of the measuring scale line is equal to the length of the adjusting rod. An adjusting hole is provided on the side wall of the adjusting rod.
[0008] Preferably, the adjustment holes are provided in several groups, and the several groups of adjustment holes are distributed at equal intervals on the side wall of the support column.
[0009] Preferably, the support frame includes a support column, the bottom end of which is fixedly connected to the top end of the base, the top end of which has an adjustment groove, the inner cavity of which slides into the surface of the adjustment rod, the surface of which has a connection hole, and two sets of support columns are provided, with a support structure provided between the two sets of support columns.
[0010] Preferably, the support structure includes a support wheel, the surface of which has a through hole, a bolt is inserted and slidably inserted into the inner cavity of the through hole, the outer surface of the bolt is inserted and slidably inserted into the inner cavities of the connecting hole and the adjusting hole respectively, and a nut is bolted to the other end of the bolt.
[0011] Preferably, the connecting holes are provided in several groups, and the several groups of connecting holes are distributed at equal intervals on the outer surface of the support column.
[0012] Preferably, the surface of the base is provided with mounting holes, and two sets of mounting holes are provided, which are symmetrically distributed on both sides of the base.
[0013] Preferably, the support wheels are provided in two sets, and the two sets of support wheels are symmetrically distributed at the upper and lower ends of the support column.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This utility model provides a concrete slab thickness controller. It uses an elevation platform as the reference for pouring thickness. The pouring personnel observe whether the poured concrete reaches the elevation of the platform, and then determine the pouring thickness by observing the measuring scale line on the adjustment rod. The binding steel bars are supported by a support frame, so that the measurement process is not affected by sand and gravel in the concrete, binding steel bars, etc., thus improving the measurement accuracy of the slab thickness controller.
[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained through the structures pointed out in the description and the accompanying drawings. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model fixed on the formwork for pouring concrete slabs;
[0018] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 3 This is a structural diagram showing the disassembled structure of this utility model.
[0020] In the diagram: 1. Base; 11. Mounting hole; 2. Elevation platform; 3. Support frame; 31. Support column; 311. Connecting hole; 312. Adjustment groove; 32. Support wheel; 33. Bolt; 41. Adjustment rod; 411. Adjustment hole; 412. Measuring scale line. Detailed Implementation
[0021] 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.
[0022] Please see Figure 1-3 This utility model provides a technical solution: a concrete floor slab thickness controller, including a base 1 and an elevation platform 2. The base 1 is located at the bottom end of the elevation platform 2. The top end of the base 1 is provided with a support frame 3 for supporting the tied steel bars. An adjusting rod 41 is fixedly connected to the bottom end of the elevation platform 2. The surface of the adjusting rod 41 is inserted and slidably connected to the inner cavity of the support frame 3. The surface of the adjusting rod 41 is provided with a measuring scale line 412. The length of the measuring scale line 412 is equal to the length of the adjusting rod 41. An adjusting hole 411 is opened on the side wall of the adjusting rod 41.
[0023] In use, the base 1 is fixed on the formwork of the cast-in-place floor slab. The position of the elevation platform 2 is adjusted according to the required pouring thickness. The elevation platform 2 is used as the reference for pouring thickness. The pouring thickness can be determined by observing the measuring scale line 412 on the adjustment rod 41. The tied steel bars are supported by the support frame 3, so that the measurement process is not affected by the sand and gravel of the concrete, the tied steel bars, etc., thus improving the measurement accuracy of the slab thickness controller.
[0024] Several sets of adjustment holes 411 are provided, and these sets of adjustment holes 411 are evenly distributed on the side wall of the adjustment rod 41. By providing the adjustment holes 411, the adjustable range of the adjustment rod 41 within the support frame 3 is increased, and the movable range of the adjustment rod 41 is improved.
[0025] The support frame 3 includes a support column 31, the bottom end of which is fixedly connected to the top end of the base 1. An adjustment groove 312 is provided at the top end of the support column 31. The inner cavity of the adjustment groove 312 slides and inserts into the surface of the adjustment rod 41. A connection hole 311 is provided on the surface of the support column 31. Two sets of support columns 31 are provided, and a support structure is provided between the two sets of support columns 31. The adjustment rod 41 moves in the inner cavity of the adjustment groove 312. By changing the distance of the adjustment rod 41 in the inner cavity of the adjustment groove 312, the horizontal height between the elevation platform 2 and the base 1 is changed. After adjusting the horizontal height, it is fixed by the support structure. At the same time, the support structure can support the tied steel bars.
[0026] The support structure includes a support wheel 32, with a through hole on its surface. A bolt 33 is inserted and slidably inserted into the inner cavity of the through hole of the support wheel 32. The outer surface of the bolt 33 is inserted and slidably inserted into the inner cavities of the connecting hole 311 and the adjusting hole 411, respectively. A nut is connected to the other end of the bolt 33. The bolt 33 is inserted from the connecting hole 311, passes through the adjusting hole 411, and exits from the connecting hole 311 on the other side. Then, it passes through the through hole of the support wheel 32 and another set of support columns 31 in sequence, and is locked by the nut to fix the position of the support wheel 32 and the adjusting rod 41. The tied steel bars are placed on the support wheel 32 for support, reducing the interference of the tied steel bars.
[0027] Several sets of connecting holes 311 are provided, and the several sets of connecting holes 311 are evenly distributed on the outer surface of the support column 31. The number of connecting holes 311 and the number of adjusting holes 411 are equal, and the spacing between connecting holes 311 is equal to the spacing between adjusting holes 411. By providing connecting holes 311, the adjustable range of the support wheel 32 on the support column 31 is increased.
[0028] The base 1 has mounting holes 11 on its surface. There are two sets of mounting holes 11, which are symmetrically distributed on both sides of the base 1. With the mounting holes 11, the base 1 can be fixed to the formwork of the cast-in-place floor slab by screws, which increases the stability of the base 1 on the cast-in-place floor slab formwork.
[0029] There are two sets of support wheels 32, which are symmetrically distributed at the upper and lower ends of the support column 31. By setting the support wheels 32, the steel bars of the upper and lower layers can be supported at the same time.
[0030] In practical use: Place the base 1 on the formwork for pouring the floor slab, then insert screws into the mounting holes 11 for fixing, then adjust the position of the adjusting rod 41 in the adjusting groove 312 to adjust the horizontal height between the elevation platform 2 and the base 1. Then, insert the bolt 33 through the connecting hole 311 and through the adjusting hole 411 and out from the other end to fix the position of the adjusting rod 41. Then, tie the reinforcing bars into the cavity formed by the two support columns 31. Next, place the support wheel 32 at the position of the tied reinforcing bars for support. Finally, the bolt 33 passes through the through hole of the support wheel 32 and out from the other set of support columns 31, and is tightened with a nut. During pouring, the pouring personnel observe whether the poured concrete reaches the elevation of the elevation platform 2, and then determine the pouring thickness by observing the measuring scale line 412 on the adjusting rod 41. This makes the measurement process unaffected by the sand and gravel in the concrete, the tied reinforcing bars, etc., and improves the measurement accuracy of the slab thickness controller.
[0031] 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 concrete floor slab thickness controller, comprising a base (1) and an elevation platform (2), characterized in that: The base (1) is located at the bottom of the elevation platform (2). The top of the base (1) is provided with a support frame (3) for supporting the binding of steel bars. An adjusting rod (41) is fixedly connected to the bottom of the elevation platform (2). The surface of the adjusting rod (41) slides in the inner cavity of the support frame (3). The surface of the adjusting rod (41) is provided with a measuring scale line (412). The length of the measuring scale line (412) is equal to the length of the adjusting rod (41). An adjusting hole (411) is opened on the side wall of the adjusting rod (41).
2. A concrete floor slab thickness controller according to claim 1, characterized in that: The adjustment holes (411) are provided in several groups, and the several groups of adjustment holes (411) are evenly distributed on the side wall of the adjustment rod (41).
3. A concrete floor slab thickness controller according to claim 1, characterized in that: The support frame (3) includes a support column (31), the bottom end of the support column (31) is fixedly connected to the top end of the base (1), the top end of the support column (31) is provided with an adjustment groove (312), the inner cavity of the adjustment groove (312) is inserted and slidably connected to the surface of the adjustment rod (41), the surface of the support column (31) is provided with a connection hole (311), the support column (31) is provided in two sets, and a support structure is provided between the two sets of support columns (31).
4. A concrete floor slab thickness controller according to claim 3, characterized in that: The support structure includes a support wheel (32), the surface of which has a through hole, and a bolt (33) is inserted and slidably connected to the inner cavity of the through hole of the support wheel (32). The outer surface of the bolt (33) is inserted and slidably connected to the inner cavity of the connecting hole (311) and the adjusting hole (411) respectively. The other end of the bolt (33) is connected to a nut.
5. A concrete floor slab thickness controller according to claim 3, characterized in that: The connecting holes (311) are provided in several groups, and the several groups of connecting holes (311) are evenly distributed on the outer surface of the support column (31).
6. A concrete floor slab thickness controller according to claim 1, characterized in that: The base (1) has mounting holes (11) on its surface. There are two sets of mounting holes (11), which are symmetrically distributed on both sides of the base (1).
7. A concrete floor slab thickness controller according to claim 4, characterized in that: The support wheels (32) are provided in two sets, and the two sets of support wheels (32) are symmetrically distributed at the upper and lower ends of the support column (31).
Citation Information
Patent Citations
Concrete slab thickness controller
CN215952432U