Overhanging supporting device of high formwork support body

Abstract

The utility model relates to a high formwork body overhanging supporting device which comprises a reserved hole formed in a middle retaining wall below a track platform, a first cross beam is connected in the reserved hole in a penetrating mode, the two ends of the first cross beam extend out of the reserved hole, second cross beams are arranged above the two ends of the first cross beam respectively, and the second cross beams are connected with the first cross beam in a penetrating mode. A cantilever scaffold is arranged on the second cross beam, the lower end of the cantilever scaffold is connected with the second cross beam through a lower adjustable support, a through-wall pipe is further connected to the reserved hole in a penetrating mode, and the two ends of the through-wall pipe extend out of the reserved hole and are connected with the high formwork scaffolds on the two sides of the middle retaining wall through buckles. Upper adjustable supports are arranged at the upper ends of the cantilever scaffold and the high formwork scaffold, and a bottom formwork of the track platform is arranged on the upper adjustable supports. According to the utility model, the problem that a deformed concrete interface cannot support the frame body from the ground is solved, the use difficulty is reduced, and the construction quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a formwork scaffold, in particular to a high formwork support device. BACKGROUND

[0002] At present, with the improvement of mechanization degree, the C-type stockyard storage and transportation mode is gradually and widely applied in large and medium-sized steel enterprises due to its small land occupation and high volume rate. The method, stability and mass concrete construction technology and reasonable cost reduction and efficiency increase of the high formwork support system in construction are several important technical problems to be overcome. Especially, the high formwork concrete structure of the middle retaining wall deformation section in the form of "eight" under the C-type stockyard track platform, due to the narrow upper part and wide lower part of the middle retaining wall at the lower part, when the bottom formwork of the track platform is set, it is impossible to support the frame body from the ground, which increases the construction difficulty of the track platform and is difficult to ensure the formwork quality and stability. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a high formwork support device to solve the problem of difficult to ensure the formwork quality and stability during the construction of the high formwork concrete structure of the middle retaining wall deformation section in the form of "eight".

[0004] The utility model is realized as follows: a high formwork support device, including a reserved hole opening provided on the middle retaining wall below the track platform, a first cross beam is connected in the reserved hole opening, the two ends of the first cross beam extend out of the reserved hole opening, a second cross beam is arranged above the two ends of the first cross beam, a cantilevered scaffold is arranged on the second cross beam, the lower end of the cantilevered scaffold is connected with the second cross beam through a lower adjustable support, a wall pipe is connected in the reserved hole opening, the two ends of the wall pipe extend out of the reserved hole opening and are connected with the high formwork scaffolds on the two sides of the middle retaining wall through buckles, upper adjustable supports are arranged on the upper ends of the cantilevered scaffold and the high formwork scaffold, and a bottom formwork of the track platform is arranged on the upper adjustable supports.

[0005] Further, the first cross beam and the second cross beam are both I-shaped steel.

[0006] Further, two blocking strips are arranged above the two ends of the first cross beam respectively, the two blocking strips are located on the two sides of the second cross beam respectively, and the blocking strips are welded and fixed with the first cross beam.

[0007] Further, first wooden wedges are arranged at the two ends of the reserved hole opening respectively, and the first wooden wedges are arranged between the first cross beam and the top surface of the reserved hole opening.

[0008] Further, a third cross beam is arranged on the top of the upper adjustable support, and a second wooden wedge is arranged between the third cross beam and the bottom formwork.

[0009] Further, the cantilever scaffold and the high formwork scaffold both comprise vertical rods, horizontal rods and inclined rods.

[0010] The utility model discloses a C type stockyard track platform construction method, comprising the following steps.

[0011] a. Intermediate retaining wall construction is carried out, and a high formwork frame body is erected on the two sides of the intermediate retaining wall during the construction process, and the erection of the high formwork frame body is always higher than the construction height of the intermediate retaining wall.

[0012] b. When the intermediate retaining wall below the track platform is constructed, a reserved hole is arranged on the intermediate retaining wall, and the reserved hole horizontally penetrates the intermediate retaining wall.

[0013] c. The first horizontal beam is connected in the reserved hole, and the two ends of the first horizontal beam are symmetrically exposed outside the reserved hole by a certain length.

[0014] d. The first horizontal beam is leveled, and the upper part of the two ends of the first horizontal beam is wedged by the first wedge.

[0015] e. The wall pipe is connected in the reserved hole, and the two ends of the wall pipe are connected with the high formwork frame bodies on the two sides of the intermediate retaining wall by using the buckle.

[0016] f. The second horizontal beam is arranged on the upper part of the two ends of the first horizontal beam and is aligned.

[0017] g. The blocking strip is arranged on the two sides of the second horizontal beam and is welded and fixed on the upper part of the first horizontal beam.

[0018] h. The lower adjustable support is installed on the second horizontal beam, and the cantilever scaffold is installed on the lower adjustable support.

[0019] i. The top adjustable support and the bottom die are installed on the top of the cantilever scaffold and the high formwork frame body.

[0020] j. The track platform reinforcement is bound and the concrete is poured.

[0021] Further, the cantilever scaffold and the high formwork frame body are both socket type disc buckle scaffolds.

[0022] Further, in step i, the third horizontal beam is arranged on the top of the upper adjustable support, the second wedge is arranged between the third horizontal beam and the bottom die, and the ground is tightly pressed by the upper adjustable support and the second wedge.

[0023] The utility model is suitable for high formwork concrete structure of retaining wall deformation section "eight" character shape, guarantees track platform bottom die support to reach stress requirement, sets up cantilever scaffold to support from the reserved hole below, guarantees the support stability of bottom die inner end, solves the problem that the variant (narrow upper wide lower) concrete interface cannot support the frame from the ground, reduces the use difficulty and improves the construction quality. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the horizontal elevation schematic view of the high formwork frame of the C material field of the utility model.

[0025] Figure 2 It is the horizontal elevation schematic view of the high formwork frame of the C material field of the utility model.

[0026] Figure 3 It is the horizontal elevation node detail view of the cantilever support device of the high formwork frame of the utility model.

[0027] Figure 4 It is the longitudinal elevation schematic view of the cantilever support device of the partial high formwork frame of the utility model.

[0028] In the drawing: 1, intermediate retaining wall;2, track platform;3, unloading platform;4, side retaining wall;5, high formwork frame;6, reserved hole;7, first cross beam;8, second cross beam;9, lower adjustable support;10, cantilever scaffold;11, wall pipe;12, buckle;13, baffle;14, first wooden wedge;15, upper adjustable support;16, third cross beam;17, second wooden wedge;18, bottom die;19, vertical rod;20, cross rod;21, inclined pull rod. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be described below in conjunction with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0030] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] As Figure 1 shown, the C-type stockyard includes intermediate retaining wall 1, track platform 2, unloading platform 3 and side retaining wall 4, wherein the intermediate retaining wall 1 is narrow at the top and wide at the bottom, and if the traditional high formwork support system is used, the inner part of the track platform 2 cannot be supported by the high formwork support from the bottom.

[0032] In order to solve this problem, as Figures 2 to 4 shown, the utility model first proposes a high formwork frame body 5 cantilever support device, for the two side parts of the intermediate retaining wall 1, the traditional high formwork support system is used, and for the part that cannot be supported by the support system from the bottom, the cantilever support mode is used.

[0033] The high formwork frame body 5 cantilever support device of the utility model not only bears the platform load of elevation 12.8 meters, but also bears the load of unloading platform 3 of elevation 22 meters, and the stress and overall stability of the frame body are required to be higher.

[0034] As Figure 3 , Figure 4 shown, the high formwork frame body 5 cantilever support device includes a reserved hole 6 arranged on the intermediate retaining wall 1 below the track platform 2, the reserved hole 6 is arranged at equal intervals along the length direction of the intermediate retaining wall 1, the first cross beam 7 is respectively threaded in each reserved hole 6, the two ends of the first cross beam 7 respectively extend to a certain length outside the reserved hole 6, the second cross beam 8 is arranged above the two ends of the first cross beam 7, the two side second cross beams 8 are symmetrically arranged, the second cross beam 8 spans on multiple first cross beams 7, and the length direction of the second cross beam 8 is consistent with the length direction of the intermediate retaining wall 1.

[0035] The cantilever scaffold 10 is arranged along the length direction of the second cross beam 8, the lower end of the cantilever scaffold 10 is connected with the second cross beam 8 through the lower adjustable support 9, the lower adjustable support 9 is inverted on the second cross beam 8, the U-shaped retaining edge of the support is used to limit the movement on the second cross beam 8, and the stress point is ensured to be in the middle.

[0036] The wall pipe 11 is also threaded in the reserved hole 6, the wall pipe 11 is a steel pipe, the two ends of the wall pipe 11 extend to outside the reserved hole 6 and are connected with the high formwork scaffold on the two sides of the intermediate retaining wall 1 through the buckle 12, there are at least two connecting nodes between the wall pipe 11 and the high formwork scaffold, and the stability of the frame body as a whole is ensured.

[0037] The upper adjustable support 15 is arranged at the upper end of the cantilever scaffold 10 and the high formwork scaffold, and the bottom die 18 of the track platform 2 is arranged on the upper adjustable support 15, so that the bottom die 18 of the track platform 2 is supported by the cantilever scaffold 10 and the high formwork scaffold, and the stability of the bottom die 18 is ensured.

[0038] The first cross beam 7 and the second cross beam 8 are both I-shaped steel, the I-shaped steel has excellent supporting capacity, and the I-shaped steel web has space through-penetration wall pipe 11 on both sides.

[0039] In order to enable the second cross beam 8 to be stably placed on the first cross beam 7, a baffle 13 is arranged above the end of the first cross beam 7, the baffle 13 is located on both sides of the second cross beam 8, and the movement of the second cross beam 8 can be effectively limited.

[0040] First wedges 14 are arranged at both ends of the reserved hole 6, the first wedges 14 are arranged between the first cross beam 7 and the top surface of the reserved hole 6, and the first cross beam 7 is tightly wedged through the two first wedges 14.

[0041] A third cross beam 16 is arranged at the top of the upper adjustable support 15, and a second wedge 17 is arranged between the third cross beam 16 and the bottom die 18, so that the bottom die 18 is tightly pressed through adjustment of the upper adjustable support 15 and the second wedge 17.

[0042] The cantilevered scaffold 10 and the high formwork scaffold both include vertical rods 19, horizontal rods 20 and inclined rods 21.

[0043] The utility model discloses still announced a kind of C type stockyard track platform 2 construction method, including the following steps.

[0044] a. Intermediate retaining wall 1 construction is carried out, and high formwork frame body 5 is erected on both sides of intermediate retaining wall 1 during construction, and the construction height of high formwork frame body 5 is always higher than intermediate retaining wall 1.

[0045] The construction technology of the concrete pouring construction adopts longitudinal segmentation, height layering, skip warehouse method process and cancels post-pouring band.

[0046] b. When intermediate retaining wall 1 below track platform 2 is constructed, reserved hole 6 is arranged on intermediate retaining wall 1, and reserved hole 6 horizontally penetrates intermediate retaining wall 1.

[0047] Reserved hole 6 is arranged according to the spacing of the reinforcing steel of the retaining wall structure, the appropriate position is installed and designed.

[0048] c. First cross beam 7 is penetrated in reserved hole 6, and first cross beam 7 is symmetrically exposed outside reserved hole 6 for a certain length at both ends.

[0049] d. First cross beam 7 is leveled, and the upper part of the both ends of first cross beam 7 is tightly wedged using first wedge 14.

[0050] e. The reserved hole 6 is threaded through the wall pipe 11, and the buckle 12 is used to connect the two ends of the wall pipe 11 with the high formwork support body 5 on both sides of the intermediate retaining wall 1.

[0051] f. The second cross beam 8 is arranged at the upper part of the two ends of the first cross beam 7 and is aligned.

[0052] g. The retaining strip 13 is arranged on both sides of the second cross beam 8 and is welded and fixed on the upper part of the first cross beam 7.

[0053] h. The lower adjustable support 9 is installed on the second cross beam 8, and the cantilever scaffold 10 is installed on the lower adjustable support 9.

[0054] i. The top adjustable support and the bottom form 18 are installed on the top of the cantilever scaffold 10 and the high formwork support body 5.

[0055] j. The track platform 2 steel reinforcement is bound and the concrete is poured.

[0056] The cantilever scaffold 10 and the high formwork support body 5 are both socketed disc-type scaffolds.

[0057] In step i, the third cross beam 16 is arranged on the top of the upper adjustable support 15, the second wedge 17 is arranged between the third cross beam 16 and the bottom form 18, and the ground is tightly pressed through the upper adjustable support 15 and the second wedge 17.

[0058] Through the stress safety calculation of the platform at the elevation of 12.8 meters, the two sides of the retaining wall cannot be less than 4 rows of vertical column supports, and in order to ensure the stability of the support body, the two sides need to be connected as a whole. The second row of support body at the bottom is only 251 millimeters away from the edge of the concrete structure, and the first row of support body cannot be placed on the ground. Combined with the characteristics of the structure itself, at the elevation of 9.25 meters, the first row of support body is 150 millimeters away from the surface of the concrete structure, which meets the installation conditions of the support body.

[0059] Therefore, through the research and analysis of the characteristics of the structure itself, the overall engineering material plan and the cost, the patent support body cantilever device and the use method are the most economical and applicable. Through the wall HW type steel as the main bearing beam (longitudinal 4.5 meters uniformly distributed) of the first row of support body on the wall, the 20a I-beam as the support beam is arranged longitudinally on the wall HW type steel, and other auxiliary facilities are supplemented to form the patent device, so as to achieve the use function.

[0060] The utility model discloses simple structure, convenient to install and remove, economic and suitable, and the main material can be used twice, and the construction cost is reduced.

[0061] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can still be modified, or some or all of the technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A high formwork scaffold body cantilever support device, characterized by, The first cross beam is arranged in the reserved hole of the intermediate retaining wall under the track platform, the two ends of the first cross beam extend out of the reserved hole, the second cross beam is arranged above the two ends of the first cross beam respectively, the overhanging scaffold is arranged on the second cross beam, the lower end of the overhanging scaffold is connected with the second cross beam through the lower adjustable support, the through-wall pipe is arranged in the reserved hole, the two ends of the through-wall pipe extend out of the reserved hole and are connected with the high formwork scaffold on the two sides of the intermediate retaining wall through buckling, the upper adjustable support is arranged on the upper end of the overhanging scaffold and the high formwork scaffold, and the bottom die of the track platform is arranged on the upper adjustable support.

2. The high formwork scaffold body cantilever support device according to claim 1, characterized by, The first cross beam and the second cross beam are both I-shaped steel.

3. The high formwork scaffold body cantilever support device according to claim 1, characterized by, Two retaining bars are arranged on the upper part of the two ends of the first cross beam respectively, the two retaining bars are located on the two sides of the second cross beam respectively, and the retaining bars are welded and fixed with the first cross beam.

4. The high formwork scaffold body cantilever support device according to claim 1, characterized by, The first wooden wedge is arranged at the two ends of the reserved hole, and the first wooden wedge is arranged between the first cross beam and the top surface of the reserved hole.

5. The high formwork scaffold body cantilever support device according to claim 1, wherein, The third cross beam is arranged on the top of the upper adjustable support, and the second wooden wedge is arranged between the third cross beam and the bottom die.

6. The high formwork scaffold body cantilever support apparatus according to claim 1, wherein, The overhanging scaffold and the high formwork scaffold both include vertical rods, horizontal rods and inclined rods.

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