Foundation pit concrete support segmented pouring separation and steel bar positioning formwork frame and using method thereof

Abstract

The invention discloses a foundation pit concrete support segmented pouring separation and reinforcing steel bar positioning formwork frame and a using method thereof.The formwork frame comprises a plurality of sets of strip-shaped steel formworks, round reinforcing steel bar holes are formed in each set of strip-shaped steel formworks, each set of strip-shaped steel formworks is formed by oppositely splicing two steel formwork clamping pieces, and each round reinforcing steel bar hole is divided into two semicircular reinforcing steel bar holes; the at least two long screw rods are vertically distributed on each group of strip-shaped steel templates at intervals; the at least two long screw rods are vertically distributed at the two ends of each group of strip-shaped steel templates in a crossed manner; connecting plates are vertically arranged at the butt joint positions of the two steel formwork clamping pieces of each set of strip-shaped steel formworks and the intersecting positions of the long screws, and the long screws penetrate through the intersecting connecting plates and abut against the outer side faces of the connecting plates in a fastened mode through a plurality of nuts connected to the long screws in a threaded mode. The device can be repeatedly recycled, the repeated utilization rate is increased, adjustment can be conducted according to the distribution position of the steel bars in the concrete support, and the device has the advantage of being wide in application range.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a foundation pit concrete support segmented pouring separation and steel bar positioning formwork and a using method thereof. BACKGROUND

[0002] The foundation pit concrete support is usually segmented pouring, and wood formwork is used for separation and steel bar positioning during segmented pouring of the foundation pit concrete support. Holes are needed to be opened in positions corresponding to steel bars passing through the wood formwork, and then the wood formwork is assembled. This method has the following disadvantages: a large number of holes are opened in the wood formwork, and a lot of manpower and time are consumed. The wood formwork is a one-time material, and is easily damaged or deformed after being removed, and is difficult to be reused, resulting in material waste. SUMMARY

[0003] The present application aims to provide a foundation pit concrete support segmented pouring separation and steel bar positioning formwork and a using method thereof, so as to solve the problems of a large number of holes opened in the wood formwork, time and labor consumption, and low reusability caused by the wood formwork being easily damaged or deformed during the removal process.

[0004] In order to solve the above technical problems, the technical scheme provided by the present application is as follows: a foundation pit concrete support segmented pouring separation and steel bar positioning formwork, comprising a plurality of groups of strip-shaped steel formworks matched with the row number or column number of steel bar distribution of the foundation pit concrete support, each group of the strip-shaped steel formworks being provided with circular steel bar holes corresponding to the steel bar distribution positions of the foundation pit concrete support and for the steel bars in the foundation pit concrete support to pass through, each group of the strip-shaped steel formworks being composed of two strip-shaped steel formwork clamping pieces and dividing each circular steel bar hole into two semicircular steel bar holes; at least two long screws vertically and spacedly distributed on each group of the strip-shaped steel formworks, the at least two long screws being vertically intersected and distributed at two ends of each group of the strip-shaped steel formworks; each group of the strip-shaped steel formwork clamping pieces being vertically provided with a connecting plate at the joint of the two strip-shaped steel formwork clamping pieces intersecting with the long screw, the long screw penetrating each connecting plate at the intersection and being fastened and abutting on the outer side surface of each connecting plate by a plurality of nuts threadedly connected thereon.

[0005] Further, the foundation pit concrete support segmented pouring separation and steel bar positioning formwork provided by the present application comprises four long screws, two long screws being vertically and intersected distributed at two ends of each group of the strip-shaped steel formworks, and the other two long screws being vertically and intersected distributed at the middle of each group of the strip-shaped steel formworks.

[0006] Further, the foundation pit concrete support segmented pouring separation and steel bar positioning formwork provided by the present application comprises two long screws at the two ends of each group of the strip-shaped steel formworks, which are arranged in parallel.

[0007] Further, the foundation pit concrete support segmented pouring partition and steel positioning formwork provided by the present application is characterized in that the diameter of the steel hole is greater than the diameter of the distributed steel in the foundation pit concrete support.

[0008] Further, the foundation pit concrete support segmented pouring partition and steel positioning formwork provided by the present application is characterized in that the nut is welded on the connecting plate.

[0009] In order to solve the above technical problems, another technical solution provided by the present application is a use method of the foundation pit concrete support segmented pouring partition and steel positioning formwork. The two steel formwork clamping pieces of each group of strip-shaped steel formworks are clamped on the steel at the corresponding position in the foundation pit concrete support through the round steel hole, the connecting plate of the two steel formwork clamping pieces at the joint is penetrated by the short screw rod, and the nut connected with the short screw rod is fastened and abuts on the outer side of each connecting plate to temporarily assemble each group of strip-shaped steel formworks into a whole. The long screw rod is used to replace the short screw rods distributed in the same straight line to penetrate the two connecting plates of each group of strip-shaped steel formworks, the nut is threadedly connected on the long screw rod to fasten and abut on the outer side of each connecting plate to permanently assemble each group of strip-shaped steel formworks into a whole, and the groups of strip-shaped steel formworks are connected in series to form the formwork. The gap between the two adjacent groups of strip-shaped steel formworks is filled with the strip-shaped formwork to form the foundation pit concrete support segmented pouring partition and steel positioning formwork.

[0010] Further, the use method of the foundation pit concrete support segmented pouring partition and steel positioning formwork provided by the present application further comprises: After the foundation pit concrete support is constructed by the foundation pit concrete support segmented pouring partition and steel positioning formwork, the strip-shaped formwork is removed, the long screw rod is unloaded, and the two steel formwork clamping pieces of each group of strip-shaped steel formworks are unfolded to be taken out from the steel.

[0011] Further, the use method of the foundation pit concrete support segmented pouring partition and steel positioning formwork provided by the present application is characterized in that the strip-shaped formwork is a steel formwork or a wooden formwork.

[0012] Compared with the prior art, the present application has the following beneficial effects: The foundation concrete support segmented pouring separation and steel positioning template frame and the use method thereof provided by the application, the steel bars distributed in the foundation concrete support segmented pouring construction are clamped by the round steel bar holes on the two steel template clamping pieces of each group of strip-shaped steel templates, and the two steel template clamping pieces are fixed as a whole after being spliced and then being fixed by the long screw rod and the nut abutting against the outer side of the connecting plate, each group of strip-shaped steel templates can be connected in series as a template frame by the long screw rod and the nut connected with the long screw rod by threads, so that the steel bars are positioned and each segment of the foundation concrete support is separated. The strip-shaped steel template has high structural strength and can be used multiple times after one-time opening, has the effect of repeated recycling, improves the recycling rate, and avoids the problem that new wood templates need to be used every time to cause time and labor consumption and material waste due to damage or deformation of the wood templates after being removed.

[0013] The foundation concrete support segmented pouring separation and steel positioning template frame and the use method thereof provided by the application, each group of strip-shaped steel templates can adjust the positions of the strip-shaped steel templates on the long screw rod by the connecting plate penetrating through the long screw rod, so as to be suitable for the case that the steel bars distributed in the foundation concrete support have different intervals between the upper and lower layers, and has the advantage of wide application range. Compared with directly using a whole steel template with one-time opening, the problem that the whole steel template with one-time opening cannot be reused due to inconsistent row or column intervals between the steel bars distributed in the foundation concrete support is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic view of the foundation concrete support segmented pouring separation and steel positioning template frame; Figure 2 is a three-dimensional exploded view of a group of strip-shaped steel templates at a connecting node with the long screw rod; Figure 3 is a three-dimensional structural schematic view of the steel template clamping piece, the semicircular steel bar hole and the connecting plate thereon; shown in the figure: 100, the foundation concrete support segmented pouring separation and steel positioning template frame; 110, the strip-shaped steel template, 111, the steel template clamping piece, 112, the round steel bar hole, 112a, the semicircular steel bar hole, 113, the connecting plate, 113a, the through hole; 120, the long screw rod; 130, the nut. DETAILED DESCRIPTION

[0015] The application will be described in detail below with reference to the drawings: the advantages and features of the application will be clearer according to the following description. It should be noted that the drawings are very simplified and use non-precise proportions, only for the purpose of facilitating and clearly assisting the description of the embodiments of the application.

[0016] Reference is made to Figures 1 to 3 The embodiment of the present application provides a kind of segmental pouring partition and reinforcement positioning formwork frame 100 of foundation pit concrete support, including several groups of strip steel formwork 110 matched with the row number or column number of foundation pit concrete support reinforcement distribution, each group of the strip steel formwork 110 is provided with round steel bar hole 112 corresponding with the position of foundation pit concrete support reinforcement distribution and for the steel bar in foundation pit concrete support to pass through, each group of the strip steel formwork 110 is formed by two steel formwork clamping pieces 111 and each the round steel bar hole 112 is divided into two semicircular steel bar holes 112a;It also includes at least two long screws 120 vertically spaced distribution on each group of the strip steel formwork 110, at least two the long screw 120 vertically intersect distribution in the two ends of each group of the strip steel formwork 110;Two the steel formwork clamping pieces 111 of each group of the strip steel formwork 110 are vertically provided with connecting plate 113 in the position of intersection with the long screw 120, the long screw 120 is threaded through each block the connecting plate 113 of intersection and is fastened to the outside of each block the connecting plate 113 by the nut 130 threaded on it and abuts against.The two steel formwork clamping pieces 111 of two opposite joints are assembled into a group of the strip steel formwork 110 by the long screw 120 of each block the connecting plate 113 threaded on it and the nut 13 abutting against the outside of each block the connecting plate 113 on both sides of the two steel formwork clamping pieces 111 of two opposite joints and each group of the strip steel formwork 110 is connected in series into the formwork frame 100.Therein Figure 1 The strip steel formwork 110 of each group is distributed in row is exemplified in the embodiment of the present application.The through hole 113a for long screw 120 to pass through is provided on each block the connecting plate 113.

[0017] Reference is made to Figure 1 The embodiment of the present application also provides a kind of using method of segmental pouring partition and reinforcement positioning formwork frame 100 of foundation pit concrete support, comprising: Step S1, the two steel formwork clamping pieces 111 of each group of strip steel formwork 110 are folded and held on the steel bar of corresponding position in foundation pit concrete support by round steel bar hole 112, the connecting plate 113 of two steel formwork clamping pieces 111 at opposite joint is threaded through short screw, and nut 130 threaded on short screw is fastened to the outside of each block the connecting plate 113 and abuts against, temporarily assemble each group of strip steel formwork 110 into whole.The short screw and long screw 120 can be all external thread rod of length, in order to facilitate the assembly of screw, the one end of long screw 120 can be provided with outer hexagonal head, so as to be assembled by bolt tool, improve assembly effect.

[0018] Step S2, permanently assembling each group of strip steel formworks 110 into a whole and connecting each group of strip steel formworks 110 in series into the formwork frame 100 by replacing each short screw rod with a long screw rod 120, screwing nuts 130 on the long screw rod 120, and fastening the nuts 130 against the outer side surfaces of the connecting plates 113 of each group of strip steel formworks 110. Here, the permanent assembly is relative to the temporary assembly of the short screw rod, and is not absolutely permanent. When the formwork is removed, the nuts 130 need to be removed, and the next time the formwork is used, the nuts 130 need to be reassembled.

[0019] Step S3, splicing a supplementary strip formwork at the gap between the two adjacent groups of strip steel formworks 110 to form a foundation pit concrete support segmented pouring separation and steel bar positioning formwork. The supplementary strip formwork can be a steel formwork or a wooden formwork. Since the supplementary strip formwork does not have holes, the probability of deformation after the formwork is removed is reduced. Therefore, the steel formwork or the wooden formwork can be repeatedly used.

[0020] In order to realize the cyclic and repeated use, the use method of the foundation pit concrete support segmented pouring separation and steel bar positioning formwork frame 100 provided by the embodiment of the present application can further include: Step S4, after the foundation pit concrete support is segmented poured by the foundation pit concrete support segmented pouring separation and steel bar positioning formwork, the nuts 130 are removed, and the two steel formwork clamping pieces 111 of each group of strip steel formworks 110 are unfolded to take out the steel bars.

[0021] The foundation pit concrete support segmented pouring separation and steel bar positioning formwork frame 100 and the use method thereof provided by the embodiment of the present application can clamp the steel bars distributed in the foundation pit concrete support segmented poured by the circular steel bar holes 112 on the two steel formwork clamping pieces 111 of each group of strip steel formworks 110, and fix the two steel formwork clamping pieces 111 as a whole after splicing by the long screw rod 120 and the nuts 130 abutting against the outer side surfaces of the connecting plates 113. The long screw rod 120 and the nuts 130 threaded on the long screw rod 120 can connect each group of strip steel formworks 110 in series into the formwork frame 100, so as to position the steel bars and separate the foundation pit concrete supports. Each group of strip steel formworks 110 has high structural strength, can be used multiple times after one-time hole making, has the effect of repeated cyclic use, improves the repeated use rate, and avoids the problem that the wooden formwork is damaged or deformed after the formwork is removed, so that a brand-new wooden formwork needs to be used every time to make holes, which causes time and labor consumption and waste of materials.

[0022] The foundation pit concrete support segmented pouring separation and steel bar positioning template frame 100 and the using method thereof provided by the embodiment of the present application, each group of strip-shaped steel templates 110 can adjust the position of each group of strip-shaped steel templates 110 on the long screw rod 120 by penetrating the connecting plate 113 on the strip-shaped steel template 110 through the long screw rod 120, so as to be suitable for the case that the steel bars distributed in the foundation pit concrete support have different intervals between the upper and lower layers, and has the advantage of wide application range. Compared with directly using the steel template with an integral opening, the problem that the integral steel template with an opening cannot be reused due to the inconsistent row or column intervals between the row or column steel bars of the steel bar distribution of the foundation pit concrete support is avoided.

[0023] Please refer to Figure 1 In order to improve the reliability of the connection of each group of strip-shaped steel templates 110, the foundation pit concrete support segmented pouring separation and steel bar positioning template frame 100 provided by the embodiment of the present application, the long screw rod 120 is four, two long screw rods 120 are vertically intersected and distributed at both ends of each group of strip-shaped steel templates 110, and two long screw rods 120 are vertically intersected and distributed at the middle of each group of strip-shaped steel templates 110. By penetrating the connecting plate 113 at the corresponding position of each group of strip-shaped steel templates 110 through the four long screw rods 120 and abutting against by the nut fastening, each group of strip-shaped steel templates 110 is connected as a whole, and the reliability of the connection between each group of strip-shaped steel templates 110 is improved.

[0024] Please refer to Figure 1 In order to improve the overall strength of the assembled template frame 100, the foundation pit concrete support segmented pouring separation and steel bar positioning template frame 100 provided by the embodiment of the present application, the long screw rod 120 at both ends of each group of strip-shaped steel templates 110 is two long screw rods 120 arranged in parallel. At this time, a total of six long screw rods 120 are used.

[0025] In order to be suitable for different diameters of steel bars, the foundation pit concrete support segmented pouring separation and steel bar positioning template frame 100 provided by the embodiment of the present application, the diameter of the steel bar round hole is greater than the diameter of the steel bar distributed in the foundation pit concrete support. When clamping the steel bar with a smaller diameter distributed in the foundation pit concrete support, the spacer can be used to clamp and fix the steel bar by penetrating the spacer on the steel bar.

[0026] In order to facilitate assembly, the foundation pit concrete support segmented pouring separation and steel bar positioning template frame 100 provided by the embodiment of the present application, the nut 130 is welded on the connecting plate 113. Since the thickness of the connecting plate 113 is relatively thin, the hole wall of the through hole 113a is relatively thin, so it is not suitable to directly process an internal thread hole on the through hole 113a. This way cannot form effective connection of the long screw rod 120, and is prone to the problem of thread connection failure due to thread slipping. Since the thickness of the nut 130 is relatively thick, the internal thread on the nut 130 can threadedly connect and lock the long screw rod 120.

[0027] The foundation pit concrete support segmented pouring separation and steel bar positioning formwork 100 and the using method thereof provided by the embodiment of the application, the steel formwork clamping piece 111 processes the round steel bar hole 112 once, can be reused multiple times, reduces material waste; the steel formwork clamping piece 111 does not need to be repeatedly holed to be made, saves labor and time, has the advantages of time saving and labor saving; the foundation pit concrete support segmented pouring separation and steel bar positioning formwork 100 is composed of the formwork frame of multiple groups of strip steel formworks 110, multiple long screw rods 120 and nuts 130, has the advantages of simple structure, low cost and wide applicability.

Claims

1. A formwork frame for segmented pouring of concrete support for foundation pits and for positioning reinforcing bars, characterized in that, The system includes several sets of strip steel formwork that match the number of rows or columns of reinforcing bars in the foundation pit concrete support. Each set of strip steel formwork has circular reinforcing bar holes corresponding to the distribution positions of the reinforcing bars in the foundation pit concrete support, allowing the reinforcing bars inside the foundation pit concrete support to pass through. Each set of strip steel formwork consists of two steel formwork clamps spliced ​​together, dividing each circular reinforcing bar hole into two semi-circular reinforcing bar holes. The system also includes at least two long screws vertically spaced on each set of strip steel formwork, with the at least two long screws perpendicularly intersecting at both ends of each set of strip steel formwork. At the splicing points where the two steel formwork clamps of each set of strip steel formwork intersect with the long screws, each long screw is vertically provided with a connecting plate. The long screws pass through each intersecting connecting plate and are fastened to the outer surface of each connecting plate by several nuts threaded onto them.

2. The formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 1, characterized in that, There are four long screws, with two long screws perpendicularly intersecting at both ends of each group of strip steel templates, and two long screws perpendicularly intersecting at the middle of each group of strip steel templates.

3. The formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 1, characterized in that, The long screws at both ends of each group of strip steel templates are two parallel rods.

4. The formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 1, characterized in that, The diameter of the circular hole for the reinforcing bar is larger than the diameter of the reinforcing bars distributed within the concrete support of the foundation pit.

5. The formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 1, characterized in that, The nut is welded to the connecting plate.

6. A method for using a formwork frame for segmented pouring of concrete support for foundation pits and for positioning reinforcement according to any one of claims 1-5, characterized in that, include: The two steel formwork clips of each group of strip steel formwork are joined together and clamped to the corresponding steel bars distributed in the concrete support of the foundation pit through the round steel bar holes. The short screw passes through the connecting plate of the two steel formwork clips at the splicing point and is tightened to the outer side of each connecting plate by the nut connected by the thread on the short screw. The strip steel formwork is temporarily assembled into a whole. By replacing the short screws that are distributed in the same straight line with long screws, passing through the two connecting plates of each group of strip steel templates, and threading nuts onto the long screws to fasten them against the outer surface of each connecting plate, the groups of strip steel templates are permanently assembled into a whole, and the groups of strip steel templates are connected in series to form a template frame. By splicing and filling the gaps between two adjacent sets of strip steel formwork, a formwork is formed to separate the concrete support for the foundation pit and to position the reinforcing bars.

7. The method of using the formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 6, characterized in that, Also includes: After constructing the foundation pit concrete support by segmented pouring of concrete and segmented pouring of concrete for positioning the reinforcing bars and formwork, the missing strip formwork is removed, the long screws are unloaded, and the two steel formwork clips of each set of strip steel formwork are broken open and taken out from the reinforcing bars.

8. The method of using the formwork frame for segmented pouring of foundation pit concrete support and reinforcement positioning as described in claim 6, characterized in that, The missing strip template is either a steel template or a wooden template.

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