Adjustable cast-in-place slab steel bar positioning device and method of use thereof

Abstract

The present application relates to the field of engineering construction technology, in particular to an adjustable cast-in-place slab steel bar positioning device and a use method thereof. It comprises two relatively rotatable support frames, a plurality of scale shafts adjustably arranged on the support frames, the scale shafts being provided with scale lines, and a plurality of clamping plates adjustably arranged on the scale shafts for clamping cast-in-place slab steel bars. The beneficial effects are as follows: by arranging two support frames, scale shafts and a plurality of clamping plates, the angle between the two support frames is adjusted to be consistent with the angle between the two-direction cast-in-place slab steel bars, then the positions of the plurality of clamping plates are adjusted according to the scale lines on the scale shafts, the scale shafts are adjusted downward until the clamping plates are in close contact with the designed position base, then the cast-in-place slab steel bars are passed through the corresponding clamping plates, so that the two-direction cast-in-place slab steel bars are simultaneously positioned and fixed, thereby improving the floor steel bar construction quality, strongly guaranteeing the structural floor bearing capacity, improving the overall construction quality of the structure, and reducing the structural safety hidden danger of floor steel bar unevenness causing cracks affecting the floor bearing capacity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of engineering construction, in particular to an adjustable cast-in-place slab steel bar positioning device and a use method thereof. BACKGROUND

[0002] The cast-in-place slab steel bar of the main structure of a building project is basically a two-way steel bar, and the two-way steel bar refers to the fact that there are both force steel bars and pressure steel bars in the same section of a component. The two-way cast-in-place slab steel bar is arranged in X and Y directions, and in the construction process, the positioning and spacing control of the slab steel bar has always been a problem plaguing the construction site. The positioning and spacing of the slab steel bar are difficult to control uniformly, and further cracks in the slab structure caused by uneven steel bars affect the overall construction quality of the structure.

[0003] Therefore, the present application provides an adjustable cast-in-place slab steel bar positioning device and a use method thereof. SUMMARY

[0004] The present application aims to overcome the defects of the prior art and provide an adjustable cast-in-place slab steel bar positioning device and a use method thereof, which solve the problem of difficult positioning and uniform spacing control during the arrangement of the existing slab steel bar.

[0005] The present application provides an adjustable cast-in-place slab steel bar positioning device, and the technical scheme is as follows: two support frames that can rotate relative to each other; a plurality of scale shafts that are adjustably arranged on the support frames in an up-down direction, the scale shafts being provided with scale lines; and a plurality of clamping plates that are adjustably arranged on the scale shafts to clamp cast-in-place slab steel bars.

[0006] Further, each support frame comprises two support rods arranged vertically, and a support beam fixed between the two support rods, the ends of the support beam being fixedly connected to the corresponding support rods, and the support beam of one support frame being located above the support beam of the other support frame.

[0007] Further, a rotating shaft is arranged vertically through the middle portions of the two support beams, and the rotating shaft is rotatably connected to the two support beams.

[0008] Further, a plurality of second fixers are arranged, four scale shafts are arranged on each support frame, two scale shafts arranged in an up-down direction form a group, the two ends of each scale shaft are fixedly provided with a second fixer, the second fixer at one end is adjustably arranged on the rotating shaft, and the second fixer at the other end is adjustably arranged on the corresponding support rod.

[0009] Further, the device further comprises a plurality of connecting rods arranged between the upper and lower scale shafts, a first fixing device fixed at the ends of the connecting rods, the first fixing device being slidably sleeved on the corresponding scale shaft and corresponding to the scale line, and the clamping plate being vertically fixed on the corresponding first fixing device on the lower side.

[0010] Further, the clamping plate comprises a fixed clamping plate fixed on the corresponding first fixing device, a sliding groove being formed in the fixed clamping plate, a movable clamping plate, the upper end of the movable clamping plate being adjustably arranged in the sliding groove of the fixed clamping plate, and an adjuster, the surface of the adjuster being provided with threads, the top end of the movable clamping plate being engaged with the threads of the adjuster.

[0011] The application further discloses a use method of the adjustable cast-in-place slab steel bar positioning device, and specifically comprises the following steps: placing the device at a designed position of a cast-in-place slab; adjusting the angle between the two supporting frames so that the included angle between the two supporting frames is consistent with the included angle of the cast-in-place slab steel bars in two directions of the designed position; adjusting the positions of the plurality of clamping plates according to the scale lines on the scale shafts so that the positions of the clamping plates correspond to the positions of the corresponding cast-in-place slab steel bars; adjusting the scale shafts downward so that the scale shafts drive the clamping plates downward and are attached to the base of the designed position; and arranging the cast-in-place slab steel bars at the designed position and making the cast-in-place slab steel bars pass through the corresponding clamping plates.

[0012] Further, the method for adjusting the positions of the clamping plates is as follows: the connecting rods are adjusted leftward and rightward on the scale shafts, the first fixing devices at the two ends of the connecting rods are driven to slide on the scale shafts, the first fixing devices are aligned with the corresponding scale lines according to the scale lines on the scale shafts, the spacing between the two adjacent connecting rods is consistent with the designed spacing of the cast-in-place slab steel bars, and thus the clamping plates on the first fixing devices on the lower side are consistent with the designed spacing of the cast-in-place slab steel bars.

[0013] Further, the initial position of the scale shaft is at the middle of the supporting frame, and the specific steps for adjusting the clamping plates downward are as follows: the second fixing device is adjusted downward, the second fixing device is driven to move downward on the corresponding supporting rod and rotating shaft, the second fixing device drives the scale shaft to move downward, the scale shaft drives the clamping plates to move downward through the first fixing device and the connecting rods, and the lower end of the clamping plate is attached to the base of the designed position.

[0014] Further, before the cast-in-place slab steel bars are laid, the interval between the fixed clamping plate and the movable clamping plate on the clamping plate needs to be adjusted, and the specific adjustment steps are as follows: rotating the adjuster, so that the adjuster drives the movable clamping plate to slide in the sliding groove on the fixed clamping plate, and the interval between the fixed clamping plate and the movable clamping plate is greater than the diameter of the cast-in-place slab steel bar.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] By setting two support frames, a scale shaft rod and a plurality of clamping plates, the angle between the two support frames is adjusted to be consistent with the angle between the cast-in-place slab steel bars in two directions, then the positions of the plurality of clamping plates are adjusted according to the scale lines on the scale shaft rod, the scale shaft rod is adjusted downward until the clamping plates are attached to the base at the designed position, and then the cast-in-place slab steel bars are passed through the corresponding clamping plates, so that the cast-in-place slab steel bars in two directions are positioned and fixed at the same time, thereby improving the floor slab steel bar construction quality, strongly guaranteeing the structural floor slab bearing capacity, improving the overall construction quality of the structure, and reducing the structural safety hidden danger of cracks caused by uneven floor slab steel bars affecting the floor bearing capacity. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the adjustable cast-in-place slab steel bar positioning device.

[0018] Figure 2 It is a support frame structural schematic view of the adjustable cast-in-place slab steel bar positioning device.

[0019] Figure 3 It is a partial structural schematic view of the adjustable cast-in-place slab steel bar positioning device.

[0020] Legend: 1, support rod; 2, rotating shaft; 3, scale shaft rod; 4, connecting rod; 5, clamping plate; 6, first fixer; 7, second fixer; 8, support base; 9, support cross beam; 10, adjuster. DETAILED DESCRIPTION

[0021] The present application will be further described below in combination with the drawings and specific embodiments.

[0022] Reference Figure 1The application provides an adjustable cast-in-place slab steel bar positioning device and a use method thereof, and solves the problem that it is difficult to position and uniformly control the interval when the existing floor steel bar is laid out. By arranging two support frames, a scale shaft and a plurality of clamping plates, the angle between the two support frames is adjusted to be consistent with the angle between the cast-in-place slab steel bars in two directions, then the positions of the plurality of clamping plates are adjusted according to the scale line on the scale shaft, the scale shaft is adjusted downward until the clamping plate is attached to the base at the designed position, then the cast-in-place slab steel bar is inserted through the corresponding clamping plate, so that the cast-in-place slab steel bars in two directions are positioned and fixed at the same time, thereby improving the floor steel bar construction quality, strongly ensuring the structural floor bearing capacity, improving the overall construction quality of the structure, and reducing the structural safety hidden danger of cracks caused by uneven floor steel bars.

[0023] The application provides an adjustable cast-in-place slab steel bar positioning device and a use method thereof, and solves the problem that it is difficult to position and uniformly control the interval when the existing floor steel bar is laid out. By arranging two support frames, a scale shaft and a plurality of clamping plates, the angle between the two support frames is adjusted to be consistent with the angle between the cast-in-place slab steel bars in two directions, then the positions of the plurality of clamping plates are adjusted according to the scale line on the scale shaft, the scale shaft is adjusted downward until the clamping plate is attached to the base at the designed position, then the cast-in-place slab steel bar is inserted through the corresponding clamping plate, so that the cast-in-place slab steel bars in two directions are positioned and fixed at the same time, thereby improving the floor steel bar construction quality, strongly ensuring the structural floor bearing capacity, improving the overall construction quality of the structure, and reducing the structural safety hidden danger of cracks caused by uneven floor steel bars.

[0024] Referring to Figure 1 , a structure schematic view of the adjustable cast-in-place slab steel bar positioning device is shown. Referring to Figure 2 , a support frame structure schematic view of the adjustable cast-in-place slab steel bar positioning device is shown. Referring to Figure 3 , a partial structure schematic view of the adjustable cast-in-place slab steel bar positioning device is shown. The application provides an adjustable cast-in-place slab steel bar positioning device and a use method thereof, and solves the problem that it is difficult to position and uniformly control the interval when the existing floor steel bar is laid out. By arranging two support frames, a scale shaft and a plurality of clamping plates, the angle between the two support frames is adjusted to be consistent with the angle between the cast-in-place slab steel bars in two directions, then the positions of the plurality of clamping plates are adjusted according to the scale line on the scale shaft, the scale shaft is adjusted downward until the clamping plate is attached to the base at the designed position, then the cast-in-place slab steel bar is inserted through the corresponding clamping plate, so that the cast-in-place slab steel bars in two directions are positioned and fixed at the same time, thereby improving the floor steel bar construction quality, strongly ensuring the structural floor bearing capacity, improving the overall construction quality of the structure, and reducing the structural safety hidden danger of cracks caused by uneven floor steel bars. Figures 1 to 3

[0025] As shown in Figures 1 to 3 , the application provides an adjustable cast-in-place slab steel bar positioning device, which comprises two relatively rotatable support frames, a plurality of scale shafts 3 arranged on the support frames and capable of being adjusted up and down, and a plurality of clamping plates 5 arranged on the scale shafts 3 and capable of being adjusted in position and used for clamping cast-in-place slab steel bars. By arranging two relatively rotatable support frames, the two support frames are arranged at a certain angle when used, and the included angle between the two support frames is folded to the minimum after use, so that the occupied space is reduced and the storage is more convenient.

[0026] In a specific embodiment, each support frame comprises two vertical support rods 1 and a support beam 9 fixed between the two support rods 1, the two ends of the support beam 9 are fixedly connected with the corresponding support rods 1, and the support beam 9 of one support frame is located above the support beam 9 of the other support frame.

[0027] In a specific embodiment, a rotating shaft 2 vertically penetrates the middle part of the two support beams 9, and the rotating shaft 2 is rotatably connected with the two support beams 9.​

[0028] In one embodiment, the second fixer 7 is further included, four of which are provided on each of the scale shafts 3, and two of which are arranged in an upper and lower distribution, and the two ends of each of the scale shafts 3 are fixedly provided with the second fixer 7, and the second fixer 7 at one end is adjustably arranged on the rotating shaft 2, and the second fixer 7 at the other end is adjustably arranged on the corresponding support rod 1.

[0029] In one embodiment, the connecting rod 4 is further included between the upper and lower scale shafts 3, the first fixer 6 is fixedly arranged at both ends of the connecting rod 4, the first fixer 6 is slidably sleeved on the corresponding scale shaft 3 and corresponds to the scale line, and the clamping plate 5 is vertically fixedly arranged on the corresponding first fixer 6 on the lower side.

[0030] In one embodiment, the first fixer 6 includes a first ring and a first adjusting bolt, the first ring is slidably sleeved on the corresponding scale shaft 3, and the first adjusting bolt is engaged with the first ring and abuts against the scale shaft 3 at the end.

[0031] In one embodiment, the second fixer 7 includes a second ring and a second adjusting bolt, the second ring is slidably sleeved on the corresponding rotating shaft 2 or support rod 1, and the second adjusting bolt is engaged with the second ring and abuts against the rotating shaft 2 or the support rod 1 at the end.

[0032] In one embodiment, the rotating shaft 2 and the lower end of the support rod 1 are fixedly provided with a support seat 8.

[0033] In one embodiment, the clamping plate 5 includes a fixed clamping plate, the fixed clamping plate is fixedly arranged on the corresponding first fixer 6, and a sliding groove is formed in the fixed clamping plate, and a movable clamping plate, the upper end of the movable clamping plate is adjustably arranged in the sliding groove of the fixed clamping plate, and an adjuster 10, the adjuster 10 is rotatably arranged in the sliding groove of the fixed clamping plate, the surface of the adjuster 10 is provided with a spiral thread, and the upper end of the movable clamping plate is engaged with the thread of the adjuster 10. By rotating the adjuster 10, the spacing between the movable clamping plate and the fixed clamping plate can be adjusted, so as to realize clamping or loosening of the cast-in-place slab reinforcement.

[0034] The application also provides a method for using the adjustable cast-in-place slab steel bar positioning device, which specifically comprises the following steps: placing the device at a designed position of a cast-in-place slab; adjusting the angle between the two support frames so that the included angle between the two support frames is consistent with the included angle between the cast-in-place slab steel bars in two directions of the designed position; adjusting the positions of the plurality of clamping plates 5 so that the positions of the clamping plates 5 are consistent with the positions of the corresponding cast-in-place slab steel bars; adjusting the scale shaft 3 downward so that the scale shaft 3 drives the clamping plates 5 to move downward and be attached to the base of the designed position; and laying the cast-in-place slab steel bars at the designed position and making the cast-in-place slab steel bars pass through the corresponding clamping plates 5.

[0035] In an embodiment, the method for adjusting the positions of the clamping plates 5 is as follows: moving the connecting rod 4 left and right on the scale shaft 3, the connecting rod 4 drives the first fixers 6 at both ends to slide on the scale shaft 3, and according to the scale lines on the scale shaft 3, the first fixers 6 are aligned with the corresponding scale lines, so that the clamping plates 5 are aligned with the positions of the corresponding cast-in-place slab steel bars.

[0036] In an embodiment, the initial position of the scale shaft 3 is in the middle of the support frame, and the specific steps for adjusting the clamping plates 5 downward are as follows: adjusting the second fixer 7 downward, the second fixer 7 moves downward on the corresponding support rod 1 and rotating shaft 2, the second fixer 7 drives the scale shaft 3 to move downward, the scale shaft 3 drives the clamping plates 5 to move downward through the first fixer 6 and connecting rod 4, until the lower end of the clamping plates 5 is attached to the base of the designed position.

[0037] In an embodiment, before laying the cast-in-place slab steel bars, the spacing between the fixed clamping plates and the movable clamping plates on the clamping plates 5 needs to be adjusted, and the specific adjustment steps are as follows: rotating the adjuster 10, the adjuster 10 drives the movable clamping plates to slide in the sliding groove on the fixed clamping plates, so that the spacing between the fixed clamping plates and the movable clamping plates is greater than the diameter of the cast-in-place slab steel bars.

[0038] The use process of the adjustable cast-in-place slab steel bar positioning device is described in detail below.

[0039] The device is placed at a designed position of a cast-in-place slab steel bar, one of the support rods 1 is pulled, the corresponding support frame is rotated around the rotating shaft 2, so that the angle between the two support frames is adjusted. When the angle is rotated to be consistent with the angle between the cast-in-place slab steel bars in two directions, the rotation is stopped and the two support frames are fixed.

[0040] The connecting rod 4 is adjusted to make the first fixer 6 at both ends of the connecting rod 4 slide on the corresponding scale shaft 3 and make the first fixer 6 align with the corresponding scale line, so that the clamping plate 5 aligns with the cast-in-place slab reinforcement at the designed position.

[0041] The second fixer 7 is adjusted downward to make the clamping plate 5 move downward and fit the base at the designed position through the scale shaft 3.

[0042] Then the cast-in-place slab reinforcement is arranged at the designed position and passes through the corresponding clamping plate 5, so that the positioning and fixing of the cast-in-place slab reinforcement are realized.

[0043] The above embodiment of the present application is described in detail in combination with the drawings, and those skilled in the art can make various changes to the present application according to the above description. Therefore, some details in the embodiment should not constitute a limitation on the present application, and the scope of protection of the present application is defined by the appended claims.

Claims

1. An adjustable rebar positioning device for cast-in-place slabs, characterized in that: include: Two support frames that can rotate relative to each other; Several scale shafts (3) are adjustable up and down on the support frame, and scale lines are provided on the scale shafts (3); Several clamping plates (5) are adjustablely positioned on the scale shaft (3) for clamping the reinforcing bars of the cast-in-place slab; Each of the aforementioned support frames includes: Two vertically arranged support rods (1); A support beam (9) is fixed between two support rods (1), with both ends of the support beam (9) being fixedly connected to the corresponding support rod (1), and the support beam (9) of one support frame is located above the support beam (9) of the other support frame. It also includes a rotating shaft (2) that passes vertically through the middle of the two supporting beams (9); It also includes several second fixers (7), and each scale shaft (3) on the support frame is provided with four, and two scale shafts (3) distributed vertically form a group. Each scale shaft (3) is fixed with a second fixer (7) at both ends, and the second fixer (7) at one end is adjustablely provided on the rotating shaft (2), and the second fixer (7) at the other end is adjustablely provided on the corresponding support rod (1).

2. The adjustable cast-in-place slab reinforcement positioning device according to claim 1, characterized in that: The rotating shaft (2) is rotatably connected to the two supporting beams (9).

3. The adjustable cast-in-place slab reinforcement positioning device according to claim 2, characterized in that: Also includes: A number of connecting rods (4) are provided between the upper and lower scale shafts (3); The first fixture (6) is fixed at both ends of the connecting rod (4). The first fixture (6) is slidably sleeved on the corresponding scale shaft (3) and corresponds to the scale line. The clamp (5) is vertically fixed on the corresponding first fixture (6) on the lower side.

4. The adjustable cast-in-place slab reinforcement positioning device according to claim 3, characterized in that: The clamping plate (5) includes: A fixed clamp plate is fixed on the corresponding first fixture (6), and a sliding groove is provided on the fixed clamp plate; A movable clamping plate, the upper end of which is adjustablely disposed within a groove of the fixed clamping plate; The regulator (10) is rotatably disposed in the groove of the fixed clamping plate. The surface of the regulator (10) is provided with threads, and the top end of the movable clamping plate engages with the threads of the regulator (10).

5. A method of using the adjustable cast-in-place slab reinforcement positioning device according to claim 4, characterized in that: Specifically, the steps include the following: Place the device at the designed location on the cast-in-place slab; Adjust the angle between the two support frames so that the included angle between the two support frames is consistent with the included angle of the cast-in-place slab reinforcement in the two directions at the design position; Adjust the positions of the multiple clamping plates (5) according to the scale lines on the scale shaft (3) so that the positions of the clamping plates (5) correspond vertically to the positions of the corresponding cast-in-place slab reinforcement bars; Adjust the scale shaft (3) downwards so that the scale shaft (3) drives the clamp (5) downwards and fits against the base at the designed position; The cast-in-place slab reinforcement is laid at the design location and passes through the corresponding clamp (5).

6. The method of using the adjustable cast-in-place slab reinforcement positioning device according to claim 5, characterized in that: The method for adjusting the position of the clamp (5) is as follows: Move the connecting rod (4) left and right on the scale shaft (3). The connecting rod (4) drives the first fixing device (6) at both ends to slide on the scale shaft (3). According to the scale line on the scale shaft (3), the first fixing device (6) is aligned with the corresponding scale line, so that the clamp (5) is aligned vertically with the corresponding cast-in-place slab reinforcement.

7. The method of using the adjustable cast-in-place slab reinforcement positioning device according to claim 5, characterized in that: The initial position of the scale shaft (3) is in the middle of the support frame. The specific steps for adjusting the clamp (5) downward are as follows: Adjust the second fixing device (7) downwards so that the second fixing device (7) moves downwards on the corresponding support rod (1) and rotating shaft (2). The second fixing device (7) drives the scale shaft (3) to move downwards. The scale shaft (3) drives the clamping plate (5) to move downwards through the first fixing device (6) and connecting rod (4) until the lower end of the clamping plate (5) is in contact with the base at the designed position.

8. The method of using the adjustable cast-in-place slab reinforcement positioning device according to claim 5, characterized in that: Before laying the reinforcing bars of the cast-in-place slab, the spacing between the fixed clamp and the movable clamp on the clamp (5) needs to be adjusted. The specific adjustment steps are as follows: Rotate the adjuster (10) to drive the movable clamp to slide in the groove on the fixed clamp, so that the distance between the fixed clamp and the movable clamp is greater than the diameter of the cast-in-place slab reinforcement.

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