Cast-in-place floor thickness control device

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a cast-in-place floor thickness control device. The utility model provides a cast-in-place floor thickness control device which comprises a support unit, a steel bar supporting unit connected to the support unit in a sliding mode and a leveling unit arranged at the upper end of the support unit. The reinforcing steel bar supporting unit comprises a sliding groove formed in the support unit, at least two clamping blocks connected into the sliding groove in a sliding mode, and locking assemblies arranged at the ends, located in the sliding groove, of the clamping blocks. Meanwhile, the thickness of the cast-in-place floor slab can be controlled by controlling the thickness of the floor slab steel bars, further, whether the pouring surface is flat or not can be measured, and the construction efficiency and precision of the cast-in-place floor slab are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a cast-in-place floor slab thickness control device. Background Art

[0002] The thickness of cast-in-place floor slabs is usually between 80-160mm, and the specific thickness needs to be determined according to the design requirements of the floor slab's location, size, reinforcement, concrete strength, etc. The thickness of cast-in-place floor slabs is not only related to the structural safety of the building, but also directly affects the use function and comfort. Choosing the appropriate floor slab thickness is both a technical issue and an economic issue. Under the premise of ensuring structural safety, reasonable cost control is one of the important factors for the success of a construction project.

[0003] A Chinese utility model patent with patent announcement number CN221168734U and announcement date 2024.6.18 discloses a floor thickness control bracket, including a base steel plate, a hollow telescopic ring, a telescopic rod and a cover plate. The hollow telescopic ring is arranged on the top of the base steel plate, the telescopic rod is arranged on the top of the hollow telescopic ring, and the telescopic rod and the inner wall gap of the hollow telescopic ring are matched, the cover plate is arranged on the top of the telescopic rod, the base steel plate is a square plate, and the data of the base steel plate is 100x50x4mm, and the base steel plate is symmetrically provided with first threaded holes on both sides of the hollow telescopic ring.

[0004] The floor thickness control bracket in the Chinese utility model patent has the following general usage and advantages: when in use, after the cast-in-place floor reinforcement is tied, the floor thickness control device welded with iron nails is nailed and fixed to the formwork, and then the height of the telescopic rod is adjusted according to the thickness of the floor so that the upper steel plate is slightly lower than the concrete finish surface, and the bottom and upper steel plates are respectively connected to the base steel plate and the top cover plate, and the height of the hollow telescopic ring and the telescopic rod is adjusted to adjust the distance between the hollow telescopic ring and the telescopic rod as needed, and then the hollow telescopic ring and the telescopic rod are fixed with fixing screws to fix the distance between the base steel plate and the cover plate, thereby controlling the thickness of the concrete floor; the advantage is that it solves the problems of difficult operation and large error of the traditional cast-in-place floor thickness control method, and provides a simple and efficient floor thickness control device, which can accurately control the floor thickness and improve construction efficiency.

[0005] However, during actual use, the floor slab thickness control bracket still has at least the following shortcomings, in other words, which are the technical problems to be solved by the present invention: the floor slab thickness control bracket is independent of the floor slab steel bars, not only does it need to occupy a certain space separately, causing waste, but there is also the problem of uneven thickness or strength of the cast-in-place floor slab due to the sinking of the middle part of the steel bars which are too long.

[0006] Therefore, in summary, there is an urgent need for a thickness control device that can provide support strength for the steel bars while controlling the thickness of the cast-in-place floor slab to solve the problems of this type. Utility Model Content

[0007] The utility model provides a cast-in-place floor slab thickness control device, comprising a bracket unit, a steel bar support unit slidably connected to the bracket unit, and a leveling unit arranged at the upper end of the bracket unit, the steel bar support unit comprising a slide groove arranged on the bracket unit, at least two clamping blocks slidably connected in the slide groove, and a locking assembly arranged on the end of the clamping block located in the slide groove, so that: the utility model provides a certain support strength for the steel bars of the cast-in-place floor slab, and at the same time can control the thickness of the cast-in-place floor slab by controlling the thickness of the floor slab steel bars, and further, can also measure whether the casting surface is flat, thereby improving the efficiency and accuracy of cast-in-place floor slab construction.

[0008] The technical solution adopted by the utility model to solve the above-mentioned problem is: a cast-in-place floor slab thickness control device, including a bracket unit, a steel bar support unit slidably connected to the bracket unit, and a leveling unit arranged at the upper end of the bracket unit; the steel bar support unit includes a slide groove arranged on the bracket unit, at least two clamping blocks slidably connected in the slide groove and used for clamping steel bars, and a locking component arranged on the end of the clamping block located in the slide groove and used for locking the position of the clamping block.

[0009] A further preferred technical solution is that the locking assembly includes a plurality of connecting holes arranged on the end of the clamping block located in the slide groove, a plurality of through holes arranged on the bracket unit and connected to the slide groove, and a limiting rod passing through the through holes and connected to the connecting holes.

[0010] A further preferred technical solution is that the steel bar support unit further includes an elastic member arranged in the slide groove and used for supporting the sliding of the clamping block.

[0011] A further preferred technical solution is that the support unit includes a table plate parallel to the ground, a vertical plate arranged at the lower end of the table plate, a through groove arranged on the vertical plate for the steel bars to slide, and the through groove is connected to the slide groove.

[0012] A further preferred technical solution is that the leveling unit includes a mounting plate arranged on the upper surface of the table, a connecting plate arranged on the side end of the mounting plate, a connecting piece arranged on the connecting plate and connected to the side of the table, and a winding assembly arranged on the mounting plate and perpendicular to the mounting plate.

[0013] A further preferred technical solution is that the winding assembly includes a winding drum arranged on the mounting plate, a central axis arranged inside the winding drum, a clockwork spring arranged on the central axis, a rope wound on the central axis and connected to the clockwork spring, and a through hole arranged on the winding drum for passing the rope.

[0014] A further preferred technical solution is that the winding assembly also includes a fixing buckle arranged at one end of the rope away from the clockwork spring, and a fixing seat arranged on the side surface of the winding drum and engaged with the fixing buckle.

[0015] A further preferred technical solution is that: the fixing buckle comprises a fixing column arranged on the rope, and a clamping groove arranged on the fixing column; and the fixing base has a protrusion clamped with the clamping groove.

[0016] A further preferred technical solution is that the connecting member includes a first threaded hole arranged on the side of the table, a second threaded hole arranged on the connecting plate, and a bolt arranged in the second threaded hole and connected to the first threaded hole.

[0017] A further preferred technical solution is that the bracket unit also includes a plurality of slurry leakage holes arranged on the table plate.

[0018] A further preferred technical solution is that an external thread segment is provided on the outer surface of the limiting rod, and the connecting hole and the inner side surface of the through hole have an internal thread segment adapted to the external thread segment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the utility model;

[0020] Figure 2 It is a partial cross-sectional view of the utility model;

[0021] Figure 3 This is a schematic diagram of a steel bar support unit of the utility model;

[0022] Figure 4 It is a top view of the steel bar support unit of the utility model;

[0023] Figure 5 It is a front view of the leveling unit of the utility model;

[0024] Figure 6 This is a top view of the leveling unit of the present utility model.

[0025] In the figure, the meanings of the reference numerals are as follows:

[0026] Steel bar a;

[0027] Bracket unit 1, steel bar support unit 2, leveling unit 3;

[0028] The table 11, the vertical plate 12, the through slot 13, the slurry leakage hole 14, the slide 21, the clamping block 22, the locking assembly 23, the elastic member 24, the mounting plate 31, the connecting plate 32, the connecting member 33, and the winding assembly 34;

[0029] Connecting hole 231, through hole 232, limiting rod 233, external thread section 234, internal thread section 235, first threaded hole 331, second threaded hole 332, bolt 333, winding drum 341, central axis 342, spring 343, rope 344, through hole 345, fixing buckle 346, fixing base 347;

[0030] Fixed column 3461 , snap-in groove 3462 , and protrusion 3471 . DETAILED DESCRIPTION

[0031] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. The following description is only a preferred embodiment of the present invention and does not limit the scope of the present invention.

[0032] Directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" respectively refer to the direction toward or away from the geometric center of a specific component. They are relative concepts and may change accordingly according to their different positions and different usage states. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0033] As attached Figure 1-6 As shown, a cast-in-place floor thickness control device includes a bracket unit 1, a steel bar support unit 2 slidably connected to the bracket unit 1, and a leveling unit 3 arranged at the upper end of the bracket unit 1; the steel bar support unit 2 includes a slide groove 21 arranged on the bracket unit 1, at least two clamping blocks 22 slidably connected in the slide groove 21 for clamping steel bars a, and a locking component 23 arranged on the end of the clamping block 22 located in the slide groove 21 for locking the position of the clamping block 22.

[0034] In this embodiment, the general method of using the cast-in-place floor slab thickness control device is as follows:

[0035] The support unit 1 is arranged on the board surface for forming the cast-in-place floor slab, and the steel bar support unit 2 slides on the support unit 1 to adapt to the steel bar skeletons of different heights and thicknesses. The support unit 1 is provided with a scale to control the height of the steel bar skeleton and thus control the thickness of the cast-in-place floor slab. A detachable leveling unit 3 is arranged at the upper end of the support unit 1, which can be removed after the pouring is completed, and the steel bar support unit and the support unit are retained in the cast-in-place floor slab to maintain strength; the steel bar support unit 2 includes a slide 21, a clamping block 22, and a locking assembly 23. The clamping block 22 is provided with protrusions on both sides, and the protrusions slide up and down in the slide 21 to adapt to steel bars of different heights. A groove is provided on the opposite side of the two clamping blocks 22, and the groove is for the steel bar a to pass through. By moving the positions of the two clamping blocks 22 in the slide 21, the locking assembly 23 is used to lock the position of the clamping block 22 to achieve the clamping and fixation of the steel bar a.

[0036] As a preferred embodiment of the present invention, the support unit 1 includes a table plate 11 parallel to the ground, a vertical plate 12 arranged at the lower end of the table plate 11, a through groove 13 arranged on the vertical plate 12 for the steel bar a to slide, and a plurality of grouting holes 14 arranged on the table plate 11, and the through groove 13 is connected to the slide groove 21.

[0037] In this embodiment, the upper end of the table 11 is used to install the leveling unit 3, and the lower end is provided with a vertical plate 12, preferably vertical plates are provided in four directions, and a through groove 13 is provided on the vertical plate 11. Every two opposite vertical plates 12 are used to support the same steel bar. The middle section of the clamping block 22 slides in the through groove 13, and the two ends slide in the slide groove 21 to adapt to different steel bar heights; a plurality of slurry leakage holes 14 are opened on the table 11 to prevent the device from affecting the pouring process.

[0038] As a preferred embodiment of this embodiment, the steel bar support unit 2 further includes an elastic member 24 disposed in the slide groove 21 and used for supporting the sliding of the clamping block 22 .

[0039] In this embodiment, the elastic member 24 is preferably a spring with one end connected to the bottom of the slide groove 21 and the other end connected to the clamping block 22. The spring can provide certain support for the sliding of the clamping block, which is convenient for construction personnel to adjust.

[0040] As a preferred embodiment of the present embodiment, the locking assembly 23 includes a plurality of connecting holes 231 arranged on the end of the clamping block 22 located in the slide groove 21, a plurality of through holes 232 arranged on the bracket unit 1 and connected to the slide groove 21, and a limiting rod 233 passing through the through holes 232 and connected to the connecting holes 231.

[0041] In this embodiment, the limit rod 233 passes through the vertical plate 12, extends into the slide groove 21 and is inserted into the connecting hole 231, thereby fixing the position of the clamping block 22. When the steel bars are clamped, the height of the steel bars can be fixed by locking the upper and lower clamping blocks, thereby controlling the thickness of the cast-in-place floor slab.

[0042] As a preference of this embodiment, an external thread section 234 is provided on the outer surface of the limiting rod 233, and the inner side surfaces of the connecting hole 231 and the through hole 232 have an internal thread section 235 adapted to the external thread section.

[0043] In this embodiment, the connecting hole 231 and the through hole 232 are preferably threaded holes, and the limiting rod 233 is preferably a threaded rod. A nut is provided on the end of the threaded rod on the outer side of the vertical plate, and the screw connection method improves the connection stability of the locking assembly 23.

[0044] As a preferred embodiment of the present embodiment, the leveling unit 3 includes a mounting plate 31 arranged on the upper surface of the table 11, a connecting plate 32 arranged on the side end of the mounting plate 31, a connecting member 33 arranged on the connecting plate 32 and connected to the side of the table 11, and a winding assembly 34 arranged on the mounting plate 31 and perpendicular to the mounting plate 31.

[0045] In this embodiment, the table top 11 needs to be set parallel to the bottom surface of the floor slab, the mounting plate 31 is fitted with the table top 11, and the connecting plate 32 on the side of the mounting plate 31 is connected to the table top 11 through the connecting piece 33 and kept stable. The winding assembly 34 connecting the two adjacent devices is used to mark the level of the cast-in-place floor slab. According to the actual situation on site, multiple leveling units 3 can be set and connected to each other to check the flatness.

[0046] As a preferred embodiment of this embodiment, the connecting member 33 includes a first threaded hole 331 arranged on the side of the table 11, a second threaded hole 332 arranged on the connecting plate 32, and a bolt 333 arranged in the second threaded hole 332 and connected to the first threaded hole 331.

[0047] In this embodiment, by connecting the bolt 333 with the first threaded hole 331 and the second threaded hole 332, the bottom of the leveling unit 3 is stabilized to facilitate subsequent leveling operations; after the floor thickness adjustment is completed, the bolt 333 is removed and the leveling unit 3 is recycled, which will not cause additional negative impacts on the one hand, and save construction costs on the other hand.

[0048] As a preferred embodiment of the present embodiment, the winding assembly 34 includes a winding drum 341 arranged on the mounting plate 31, a central axis 342 arranged inside the winding drum 341, a spring 343 arranged on the central axis 342, a rope 344 wound around the central axis 342 and connected to the spring 343, a through hole 345 arranged on the winding drum 341 for passing the rope 344, a fixing buckle 346 arranged at one end of the rope 344 away from the spring 343, and a fixing base 347 arranged on the side surface of the winding drum 341 and engaged with the fixing buckle 346; the fixing buckle 346 includes a fixing column 3461 arranged on the rope 344, and a engaging groove 3462 arranged on the fixing column 3461; the fixing base 347 has a protrusion 3471 engaged with the engaging groove 3462.

[0049] In this embodiment, one end of the clockwork spring 343 is located at the winding core and is fixedly connected to the central axis 342, and the other end is connected to the rope 344. When the construction personnel pull out the rope 344, the clockwork spring will unfold and store energy. After letting go, the stored energy will automatically retract the rope 344, thereby realizing the automatic rewinding function of the rope 344. The rope 344 passes through the perforation 345 to keep the end of the rope outside the winding drum 341; preferably, a fixing buckle 346 is provided on the end of the rope 344 located outside the winding drum 341, and the fixing buckle 346 is interconnected with the fixing clamping seat 347 on another device, so as to conveniently and quickly realize the inspection of the flatness of the cast-in-place floor slab; the fixing buckle 346 is pulled to drive the rope 344 to unfold, approach the fixing clamping seat 347 of another device, and clamp the protrusion 3471 in the clamping groove 3462 to complete the locking. After the measurement is completed, the fixing buckle 346 is lifted upward to unlock, and the rope is automatically retracted.

[0050] Compared with the prior art, the technical solution described in this embodiment has the following advantages: on the one hand, it can control the steel bar thickness of the cast-in-place floor slab and provide certain support for the height of the steel bar to avoid the occurrence of uneven floor slab thickness due to middle collapse caused by excessively long steel bars; on the other hand, the detachable leveling unit can inspect the thickness of the floor slab after casting, further controlling the thickness of the cast-in-place floor slab; the overall operation is convenient and quick, the inspection structure can be recycled multiple times, the cost is low, and it is suitable for use on construction sites.

[0051] The above is a detailed description of the implementation of the utility model in conjunction with the accompanying drawings, but the utility model is not limited to the above implementation. Various modifications can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the utility model. These are all non-creative modifications and are protected by patent law as long as they are within the scope of the claims of the utility model.

Claims

1. A cast-in-place floor slab thickness control device, characterized in that: The invention comprises a support unit (1), a steel bar support unit (2) slidably connected to the support unit (1), and a leveling unit (3) arranged at the upper end of the support unit (1); the steel bar support unit (2) comprises a slide groove (21) arranged on the support unit (1), at least two clamping blocks (22) slidably connected in the slide groove (21) and used for clamping a steel bar (a), and a locking assembly (23) arranged at the end of the clamping block (22) located in the slide groove (21) and used for locking the position of the clamping block (22).

2. A cast-in-place floor slab thickness control device according to claim 1, characterized in that: The locking assembly (23) comprises a plurality of connection holes (231) arranged on the end of the clamping block (22) located in the slide groove (21), a plurality of through holes (232) arranged on the bracket unit (1) and connected to the slide groove (21), and a limiting rod (233) passing through the through holes (232) and connected to the connection holes (231).

3. The cast-in-place floor slab thickness control device according to claim 1, characterized in that: The steel bar support unit (2) further comprises an elastic member (24) arranged in the slide groove (21) and used for supporting the sliding of the clamping block (22).

4. A cast-in-place floor slab thickness control device according to claim 2, characterized in that: The support unit (1) comprises a platform (11) parallel to the ground, a vertical plate (12) arranged at the lower end of the platform (11), and a through groove (13) arranged on the vertical plate (12) for the steel bar (a) to slide, wherein the through groove (13) is connected to the slide groove (21).

5. A cast-in-place floor slab thickness control device according to claim 4, characterized in that: The leveling unit (3) comprises a mounting plate (31) arranged on the upper surface of the table (11), a connecting plate (32) arranged at the side end of the mounting plate (31), a connecting member (33) arranged on the connecting plate (32) and connected to the side of the table (11), and a winding assembly (34) arranged on the mounting plate (31) and perpendicular to the mounting plate (31).

6. A cast-in-place floor slab thickness control device according to claim 5, characterized in that: The winding assembly (34) comprises a winding drum (341) arranged on the mounting plate (31), a central shaft (342) arranged inside the winding drum (341), a spring (343) arranged on the central shaft (342), a rope (344) wound around the central shaft (342) and connected to the spring (343), and a through hole (345) arranged on the winding drum (341) for passing the rope (344).

7. A cast-in-place floor slab thickness control device according to claim 6, characterized in that: The winding assembly (34) further comprises a fixing buckle (346) arranged at one end of the rope (344) away from the clockwork spring (343), and a fixing seat (347) arranged on the side surface of the winding drum (341) and engaged with the fixing buckle (346).

8. A cast-in-place floor slab thickness control device according to claim 7, characterized in that: The fixing buckle (346) comprises a fixing column (3461) arranged on the rope (344), and a clamping groove (3462) arranged on the fixing column (3461); the fixing clamping seat (347) has a protrusion (3471) clamped with the clamping groove (3462).

9. The cast-in-place floor slab thickness control device according to claim 5, characterized in that: The connecting member (33) comprises a first threaded hole (331) arranged on a side of the platform (11), a second threaded hole (332) arranged on the connecting plate (32), and a bolt (333) arranged in the second threaded hole (332) and connected to the first threaded hole (331).

10. The cast-in-place floor slab thickness control device according to claim 4, characterized in that: The support unit (1) further comprises a plurality of grout leakage holes (14) arranged on the platform (11).

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