Formwork structure for casting construction of cast-in-place shear wall of elevator shaft

Abstract

The utility model relates to the field of building construction, and particularly discloses an elevator shaft cast-in-place shear wall pouring construction formwork structure which comprises a plurality of pouring formworks, and the outer walls of the pouring formworks are opposite to the straight inner wall of an elevator shaft. The dismounting and mounting formwork units are detachably mounted between every two adjacent pouring formworks, and the dismounting and mounting formwork units are opposite to the corners of the inner wall of the elevator shaft; the power unit controls the pouring formworks to be close to or away from the center of the elevator shaft. According to the scheme, when the pouring formworks and the disassembly and assembly formworks are folded, the disassembly and assembly formworks can be disassembled firstly, a large moving space is formed between the pouring formworks, and then interference is not prone to occurring; and meanwhile, the device can cooperate with a power unit to control folding of the pouring formwork, interference of the pouring formwork can be further avoided, and the integrity of the pouring formwork and the integrity of the disassembling and assembling formwork are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially, relate to a kind of elevator shaft cast-in-place shear wall pouring construction formwork structure. BACKGROUND

[0002] In building construction, often encounter various shapes and different section size cylinder type cast-in-place shear wall, such as elevator shaft cylinder type cast-in-place shear wall, when the construction of this kind of cast-in-place shear wall, generally in the cylinder inside splicing formwork platform, then the installation of formwork, the more common method is to use steel pipe, fastener, batten, plywood and other materials to be spliced, to realize the pouring of cast-in-place shear wall forming formwork.

[0003] In narrow elevator shaft, generally segmental pouring is carried out for cast-in-place shear wall, after the pouring of a segment of cast-in-place shear wall is completed, the formwork needs to be separated from the cast-in-place shear wall, and the formwork is moved upward to the last segment of the formed cast-in-place shear wall, the formwork is again surrounded by the inner wall of the elevator shaft to form a pouring cavity for the cast-in-place shear wall, and pouring construction is carried out; during the disassembly and assembly of the formwork, since the formwork is closed in a ring shape and surrounded by the inner wall of the elevator shaft, when the plurality of sub-formworks constituting the formwork are moved towards the center of the elevator shaft, the sub-formworks are easily interfered with each other, and then collide, affecting the integrity of the plurality of sub-formworks and the pouring precision of the subsequent cast-in-place shear wall. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides an elevator shaft cast-in-place shear wall pouring construction formwork structure to solve the problem that the plurality of sub-formworks are easily interfered with each other when moving towards the center of the elevator shaft, affecting the integrity of the plurality of sub-formworks.

[0005] In order to achieve the above-mentioned purpose, the basic scheme of the utility model is as follows: an elevator shaft cast-in-place shear wall pouring construction formwork structure, comprising:

[0006] a plurality of pouring formworks, the outer wall of the pouring formwork is opposite to the flat inner wall of the elevator shaft;

[0007] a disassembly and assembly formwork unit detachably installed between two adjacent pouring formworks, the disassembly and assembly formwork unit is opposite to the corner of the inner wall of the elevator shaft;

[0008] a power unit for controlling the plurality of pouring formworks to move towards or away from the center of the elevator shaft.

[0009] The utility model discloses a technical principle is: in use, according to the elevator shaft cross section profile length and width, select corresponding pouring formwork, so that pouring formwork can be cooperated with the dismounting template unit after with the inner wall of pouring cavity is adapted, to adapt the width specification of pouring formwork, and then can be to the pouring of different specifications elevator shaft in cast-in-place shear wall.

[0010] When folding the pouring formwork and the dismounting formwork, the dismounting formwork can be disassembled first, so that a larger moving space is formed between the pouring formworks, and interference is not easy to occur; at the same time, the folding of the pouring formwork can be controlled in cooperation with the power unit, which can further avoid interference of the pouring formwork and ensure the integrity of the pouring formwork and the dismounting formwork.

[0011] Further, the dismounting formwork unit comprises:

[0012] A plurality of inclined forms are installed on both sides of the vertical edge of the pouring formwork, and the side of the inclined form away from the pouring formwork is inclined, and the side of the inclined form close to the center of the elevator shaft has a narrow cross section;

[0013] An angle form can be installed on the side of the inclined form away from the pouring formwork, and the angle form is located between two adjacent pouring formworks.

[0014] Through the above arrangement, when the pouring formwork is folded, the connection between the angle form and one side of the inclined form can be disassembled to separate the two adjacent pouring formworks, and then the pouring formwork can be quickly controlled to move up to pour the cast-in-place shear wall of the upper layer, the dismounting and cooperation between the pouring formwork and the dismounting formwork are simple and convenient, and the dismounting efficiency is high; at the same time, when folding, the cooperation between the angle form and the inclined surface of the inclined form controls the assembly sequence between the angle form and the inclined form, so that interference impact during synchronous movement is not easy to occur when folding, and the folding of the angle form and the inclined form is more smooth and stable.

[0015] Further, the side of the angle form away from the inclined form smoothly transitions with the outer wall of the adjacent pouring formwork, the other side of the angle form away from the inclined form smoothly transitions with the outer wall of the other adjacent pouring formwork, and the side of the angle form away from the inclined form also smoothly transitions with the outer wall of the inclined form.

[0016] Through the above arrangement, the outer walls of the angle form, the inclined form and the pouring formwork smoothly transition after assembly, which can make the surface of the finally formed cast-in-place shear wall smooth and neat.

[0017] Further, the dismounting formwork unit further comprises a plurality of adjusting bolt groups, the adjusting bolt groups are installed between the angle form and the inclined form, and the adjusting bolts are located at the side of the angle form and the inclined form close to the center of the elevator shaft.

[0018] Through the above arrangement, the adjusting bolt groups can be stably connected, and only one side of the angle form needs to be disassembled, which is fast and stable after assembly.

[0019] Further, the several adjusting bolts are arranged along the vertical direction of the corner die and the inclined die in sequence.

[0020] Through the above arrangement, the several adjusting bolts can be uniformly and stably connected to the corner die and the inclined die, so that the stable combination and installation between the corner die and the inclined die is realized.

[0021] Further, the power unit comprises:

[0022] The lower support sliding part is detachably connected with the lower end of the pouring formwork;

[0023] The upper pulling adjusting support part is detachably connected with the lower end of the pouring formwork.

[0024] Through the above arrangement, when the pouring formwork is folded or stretched, the lower support sliding part and the upper pulling adjusting support part can pull the upper part and the lower part of the pouring formwork synchronously and stably, so that the folding or stretching of the pouring formwork is stable.

[0025] Further, the upper pulling adjusting support part comprises:

[0026] The winch is vertically provided with an arc-shaped clamping groove, one end of the clamping groove extends to the shaft center of the winch, and the other end of the clamping groove extends to the edge of the winch;

[0027] The driving source shaft coaxial with the winch is provided for positive and reverse rotation;

[0028] The motor driving the driving source shaft to rotate in positive and reverse directions is fixedly installed on the upper end of the rack, and the driving source shaft is coaxially arranged in the rack;

[0029] The rack;

[0030] The winch is vertically provided with an arc-shaped clamping groove, one end of the clamping groove extends to the shaft center of the winch, and the other end of the clamping groove extends to the edge of the winch;

[0031] The driving source shaft coaxial with the winch is provided for positive and reverse rotation, and the driving source shaft is coaxially arranged in the elevator shaft;

[0032] The motor driving the driving source shaft to rotate in positive and reverse directions is fixedly installed on the rack;

[0033] The pull rod is fixedly provided with a limiting protrusion on one end of the pull rod, and the limiting protrusion is slidingly installed in the clamping groove;

[0034] The screw rod;

[0035] The pin is hingedly connected to one end of the screw rod, the number of the screw rod and the pin is two, one end of the pull rod away from the limiting protrusion is detachably connected with one of the pins, and the other pin is detachably connected with the upper side of the pouring formwork;

[0036] The sleeve is provided with a bolt on each end thereof, the bolt is threadedly connected with the screw rod, the two bolts are different in rotation direction, and the bolt is threadedly connected with the screw rod away from the pin;

[0037] The handle is fixedly installed on the outer wall of the sleeve.

[0038] Through the above arrangement, when the pouring formwork and the disassembling formwork unit are separated from the cast-in-place shear wall, the electric motor is started, the electric motor drives the driving source shaft and the winch to rotate, the winch drives the end of the pull rod to slide along the clamping groove of the winch to the center of the winch, so that the pull rod is retracted into the winch, and the pouring formwork can be folded along the arc of the clamping groove, so that the inclined formwork and the corner formwork are not easy to interfere with each other when being folded or unfolded. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is an exploded view of the structure in the axial direction of the cast-in-place shear wall pouring construction formwork structure of the elevator shaft.

[0040] Figure 2 It is an exploded view of the structure in the axial direction of the cast-in-place shear wall pouring construction formwork structure of the elevator shaft. Figure 1 It is a partial structure schematic view of the cast-in-place shear wall pouring construction formwork structure of the elevator shaft after being spliced.

[0041] Figure 3 It is a partial structure schematic view of the cast-in-place shear wall pouring construction formwork structure of the elevator shaft after being spliced. Figure 1 It is an enlarged view of the upper pull adjusting support part.

[0042] Figure 4 It is an enlarged view of the lower support sliding part. Figure 1 It is an enlarged view of the lower support sliding part.

[0043] In the above drawings: the pouring formwork 1, the inclined formwork 2, the corner formwork 3, the adjusting bolt group 4, the first climbing assembly 5, the rack 51, the second climbing assembly 6, the cross beam 61, the adjusting sliding group 62, the guide rail group 63, the sliding block 64, the hydraulic cylinder 65, the support plate 66, the connecting beam unit 67, the connecting plate 617, the steel skeleton support 68, the winch 71, the clamping groove 711, the driving source shaft 72, the electric motor 73, the fixed plate 74, the pull rod 75, the limiting protrusion 715, the screw rod 81, the pin 82, the sleeve 83, and the handle 84. DETAILED DESCRIPTION

[0044] The technical solutions in the utility model will be further described below in combination with the drawings and embodiments.

[0045] The embodiment is basically the same as Figures 1-4The utility model discloses a kind of elevator shaft cast-in-place shear wall pouring construction formwork structures, including four pouring formworks 1, four detachable installation in the dismounting formwork unit between adjacent two pouring formworks 1 and control several pouring formworks 1 to the power unit of the center of elevator shaft convergence or away, pouring formwork 1 is pouring formwork 1, the outer wall of four pouring formworks 1 and the four sides inner wall of elevator shaft flat are one-to-one opposite, while the corner of dismounting formwork unit and the inner wall of elevator shaft is opposite.

[0046] As Figure 1 The dismounting formwork unit includes two structure consistent inclined forms 2, an angle mould 3 and several adjusting bolt groups 4, the cross-sectional profile of angle mould 3 is equilateral triangle shape, the vertical side of inclined form 2 is spliced and installed on the two sides of the vertical edge of pouring formwork 1, the side of inclined form 2 away from pouring formwork 1 is inclined plane, the side of inclined form 2 close to the center of elevator shaft is narrower in cross-sectional width;Angle mould 3 can be spliced and installed on the side of inclined form 2 away from pouring formwork 1, and angle mould 3 is located between adjacent two pouring formworks 1;Meanwhile, the side of angle mould 3 away from inclined form 2 and the outer wall of adjacent pouring formwork 1 are smoothly transitioned, the other side of angle mould 3 away from inclined form 2 and the outer wall of another adjacent pouring formwork 1 are smoothly transitioned, and the side of angle mould 3 away from inclined form 2 and the outer wall of inclined form 2 are also smoothly transitioned.

[0047] As Figure 1 And 2 Adjusting bolt group 4 is installed between angle mould 3 and inclined form 2, and adjusting bolt is located at the side of angle mould 3 and inclined form 2 close to the center of elevator shaft, and several adjusting bolt groups 4 are sequentially arranged along the vertical direction of angle mould 3 and inclined form 2.

[0048] As Figure 1 And Figure 4As shown, the power unit includes a first climbing assembly 5, a second climbing assembly 6, a lower support sliding part, and an upward adjustment support part; the first climbing assembly 5 and the second climbing assembly 6 can climb alternately in the elevator shaft under the action of the power device; the lower support sliding part includes a crossbeam 61, eight guide rail groups 63, eight sliders 64 that can slide along the guide rail groups 63, two support plates 66, four adjusting sliding groups 62, two connecting beam units 67, four hydraulic cylinders 65, and four steel frame supports 68. The crossbeam 61 is in the shape of a "well" and the eight guide rail groups 63 are horizontally fixed on the eight ends of the crossbeam 61 respectively. Each support plate 66 is horizontal to two guide rail groups. On the two sliders 64 of 63, two support plates 66 are symmetrically arranged along the horizontal centerline of the crossbeam 61; the adjusting slide block 62 is horizontally installed on both ends of the crossbeam 61, with the adjusting slide block 62 and the support plate 66 located on different ends of the crossbeam 61; two connecting beam units 67 are symmetrically arranged along the horizontal centerline of the crossbeam 61, and the connecting beam unit 67 is located between the two adjusting slide blocks 62; the hydraulic cylinder 65 is horizontally installed between the support plate 66 and the crossbeam 61 or between the connecting beam unit 67 and the crossbeam 61, and the axis of the hydraulic cylinder 65 is parallel to the axis of the guide rail assembly 63; two steel frame supports 68 are vertically and detachably installed on the two support plates 66 by bolts.

[0049] like Figure 1 and Figure 3 As shown, the pull-up adjustment support includes a frame 51, a winch 71, a drive shaft 72 that drives the winch 71 to rotate coaxially, a motor 73 that drives the drive shaft 72 to rotate coaxially, a pull rod 75, a screw 81, a pin 82, a sleeve 83, and a handle 84. A vertically extending, arc-shaped groove 711 is provided on the winch 71, with one end extending towards the axis of the winch 71 and the other end extending towards the edge of the winch 71. The frame 51 coaxially passes through the center of the crossbeam 61. The motor 73 is fixedly mounted on the upper end of the frame 51 via a fixing plate 74. The drive shaft 72 is coaxially mounted with the frame 51. The fixing plate 74 is fixedly mounted on the upper end of the frame 51, located between the motor 73 and the winch 71. A limiting protrusion 715 is fixedly installed on one end of the rod 75 and slidably mounted on the slot 711; at the same time, in the pull-up adjustment support unit, the pin 82 is hinged to one end of the screw 81, and there are two screws 81 and two pins 82. The end of the pull rod 75 away from the limiting protrusion 715 is detachably connected to one of the pins 82 through a pin shaft, and the other pin 82 is detachably connected to the upper side of the casting template 1 through a pin shaft; both ends of the sleeve 83 are provided with bolts that are threadedly connected to the screw 81. The two bolts have different directions of rotation and are threadedly connected to the end of the screw 81 away from the pin 82; the handle 84 is welded and installed on the outer wall of the sleeve 83, and the end of a single pull rod 75 is connected to the pins 82 in the two pull-up adjustment support units.

[0050] The pouring construction formwork structure of the elevator shaft cast-in-place shear wall in the embodiment is used according to the length and width of the cross-sectional profile of the elevator shaft, four pouring formworks 1 of corresponding widths are selected, the pouring formwork 1 is matched with the disassembled formwork unit after being spliced, and the pouring formwork 1 is adapted to the inner wall of the pouring cavity; in this process, the width specification of the pouring formwork 1 can be adaptively changed to adapt to the pouring of cast-in-place shear walls in elevator shafts of different specifications.

[0051] When the cast-in-place shear wall needs to be poured, the pouring formwork 1 is installed on the pin 82 at the end of the steel skeleton support 68 and the screw rod 81, so that the pouring formwork 1 is stably installed on the first climbing assembly 5 and the second climbing assembly 6 and can cooperate with the first climbing assembly 5 and the second climbing assembly 6 to segmentally pour the cast-in-place shear wall; then the pouring formwork 1 is controlled to drive the inclined form 2 and the corner form 3 to approach the pouring cavity, at this time the motor 73 is started and the hydraulic cylinder 65 is controlled to extend, the motor 73 drives the driving source shaft 72 to rotate in the positive direction, the driving source shaft 72 and the winch 71 rotate, the end of the pull rod 75 is driven by the winch 71 to slide along the clamping groove 711 of the winch 71 away from the center of the winch 71, so that the pull rod 75 moves away from the winch 71, and then the pull rod 75, the screw rod 81 and the pin 82 push the pouring formwork 1 to approach the pouring cavity; at the same time, the hydraulic cylinder 65 extends, and the steel skeleton support 68 is controlled to move away from the rack 51 through the guide rail group 63 and the sliding block 64 under the support of the connecting beam unit 67 or the support plate 66; when the corner form 3 is in close contact with the inclined surface of the inclined form 2 on the adjacent pouring formwork 1, it indicates that the pouring formwork 1 and the disassembled formwork unit are spliced in place, the adjusting bolt set 4 is installed between the corner form 3 and the inclined form 2 to realize the splicing and fixing of the pouring formwork 1 and the disassembled formwork unit, and then the pouring of concrete can be carried out.

[0052] When the pouring formwork 1 and the disassembled formwork unit need to be separated from the cast-in-place shear wall after curing and solidification, the adjusting bolt set 4 connected between the corner form 3 and one side of the inclined form 2 is disassembled; the motor 73 is started again, the motor 73 drives the driving source shaft 72 to reverse, the driving source shaft 72 and the winch 71 rotate, the end of the pull rod 75 is driven by the winch 71 to slide along the clamping groove 711 of the winch 71 to the center of the winch 71, so that the pull rod 75 is retracted into the winch 71, at the same time, the hydraulic cylinder 65 is retracted, and the steel skeleton support 68 is controlled to move towards the rack 51 through the guide rail group 63 and the sliding block 64 under the support of the connecting beam unit 67 or the support plate 66; in this process, the side surface of the corner form 3 and the inclined surface of the inclined form 2 do not interfere with each other, and at the same time, since the pouring formwork 1 can be folded or unfolded along the arc of the clamping groove 711, the inclined form 2 and the corner form 3 are less likely to interfere with each other, and the pouring formwork 1 can move stably up and down.

[0053] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A cast-in-situ shear wall pouring construction formwork structure of an elevator shaft, characterized by, The utility model relates to a kind of construction method of elevator shaft, including: Several pouring templates, the outer wall of the pouring template is opposite to the flat inner wall of elevator shaft; Detachable installation is installed between two adjacent pouring templates dismounting template unit, and the dismounting template unit is opposite to the corner of elevator shaft inner wall; Power unit controls several pouring templates to approach or away from the center of elevator shaft; The dismounting template unit includes: Several inclined molds, the inclined mold is installed on the two sides of the vertical edge of pouring template, the side of inclined mold away from pouring template is inclined, and the side of inclined mold close to the center of elevator shaft is narrower in cross section; Corner mould, the corner mould can be installed on the side of inclined mold away from pouring template, and the corner mould is located between two adjacent pouring templates.

2. The cast-in-place shear wall pouring construction formwork structure of claim 1, wherein, The dismounting template unit further includes several adjusting bolt groups, the adjusting bolt group is installed between corner mould and inclined mold, and adjusting bolt is located at the side of corner mould and inclined mold close to the center of elevator shaft.

3. The cast-in-place shear wall formwork construction template structure of claim 2, wherein, Several adjusting bolt groups are sequentially arranged along the vertical direction of corner mould and inclined mold.

4. A cast-in-situ shear wall formwork construction for an elevator shaft according to any one of claims 1 to 3, characterized in that, The power unit includes: Lower support sliding part, the lower support sliding part is detachably connected with the lower end of pouring template; Pulling adjusting support part, the pulling adjusting support part is detachably connected with the lower end of pouring template.

5. The cast-in-place shear wall formwork construction of an elevator shaft according to claim 4, characterized in that, The pulling adjusting support part includes: Frame; Winch, the arc-shaped clamping groove is vertically arranged on the winch, one end of the clamping groove extends to the shaft center of winch, and the other end of the clamping groove extends to the edge of winch; Driving source shaft coaxial positive and negative rotation of winch, the driving source shaft is coaxially arranged in elevator shaft; Motor, the motor is fixedly installed on the frame and drives driving source shaft to rotate reversely; Pulling rod, the end of the pulling rod is fixedly provided with a limiting protrusion slidingly installed on the clamping groove; Screw rod; Pin, the pin is hinged to one end of screw rod, the number of screw rod and pin is two, the end of pulling rod away from limiting protrusion is detachably connected with one of pin, and the other pin is detachably connected with the upper side of pouring template; Sleeve, the two ends of the sleeve are provided with bolts threadedly connected with screw rod, the rotation directions of two bolts are different, and the bolt is threadedly connected with the end of screw rod away from pin; Handle, the handle is fixedly installed on the outer wall of sleeve.

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