Adjustable formwork supporting system

Abstract

The utility model discloses an adjustable formwork supporting system which comprises a supporting scaffold and a triangular truss, an operation scaffold is arranged on one side of the supporting scaffold, an adjustable support is arranged at the top end of a vertical rod of the supporting scaffold, and the triangular truss comprises a telescopic transverse rod, a telescopic vertical rod and a telescopic inclined rod which are mutually hinged to form a right triangle structure. The bottom of the telescopic cross rod is fixedly connected with the adjustable support, and the multiple pieces of I-shaped steel are arranged at the top of the telescopic inclined rod at equal intervals, so that the size of the triangular truss can be conveniently adjusted according to parameters such as section sizes of different rock anchor beams, and the application range is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete formwork support system technology field, concretely relates to a kind of adjustable underground powerhouse rock wall crane beam concrete construction's formwork support system. BACKGROUND

[0002] As the main force of renewable clean energy, pumped storage power station construction will be accelerated, and the number of projects will increase significantly. With the deep development of pumped storage power station, high water head and large capacity power station is mostly used in underground or semi-underground powerhouse. Rock wall crane beam as an important part of underground powerhouse, rock wall crane beam construction has become a very important link in the construction process of pumped storage power station.

[0003] In water conservancy and hydropower engineering, the concrete formwork support system of underground powerhouse rock wall crane beam (referred to as "rock anchor beam") often uses a triangular frame with an integral welded structure to support the inclined formwork. However, due to factors such as geological conditions and design requirements, the inclination angle of the rock anchor beam of the underground powerhouse is different, and the triangular frame with an integral welded structure can only be applied to rock anchor beams with specific angles, which is not very practical. Moreover, the construction time of rock anchor beams is relatively tight, and welding triangular frames is labor-intensive and material-consuming. Designing and processing multiple triangular frames with different angles not only reduces efficiency, but also increases material consumption and labor costs, increases the workload of workers, and prolongs the construction period, which adversely affects the progress of the project. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of adjustable formwork support system to solve the above technical problems, the length of each side length is adjusted conveniently by the telescopic horizontal rod, telescopic vertical rod and telescopic inclined rod of triangular truss, can adapt to the inclined formwork of multiple inclination angles, realize flexible adjustment, simple structure, safe and reliable, disassembly and assembly are convenient, can be reused.

[0005] A kind of adjustable formwork support system, including support scaffold and triangular truss, one side of support scaffold is provided with operation scaffold, the top of vertical rod of support scaffold is provided with adjustable support, triangular truss includes telescopic horizontal rod, telescopic vertical rod and telescopic inclined rod that are hingedly connected to form a right triangle structure, the bottom of telescopic horizontal rod is fixedly connected with adjustable support, and the top of telescopic inclined rod is provided with multiple I-beams at equal intervals.

[0006] Further technical solutions are: a telescopic first support rod is connected between the telescopic inclined rod and the telescopic horizontal rod, and a telescopic second support rod is connected between the connection of the telescopic vertical rod and the telescopic horizontal rod and the telescopic inclined rod.

[0007] A further technical solution is as follows: the telescopic crossbar, telescopic upright, telescopic diagonal bar, first support bar and second support bar are all made of two angle steels that are stacked on one side and one side of each other. Multiple fixing holes are provided on the adjacent side wings of the two angle steels along the length direction, and they are threadedly connected to the corresponding fixing holes by limit bolts.

[0008] A further technical solution is: a pad is provided between the top of the angle steel stacked below and the I-beam in the telescopic diagonal bar, and the thickness of the pad is the same as the thickness of the side wing of the angle steel.

[0009] A further technical solution is as follows: both ends of the first and second support rods are provided with threaded holes. The two ends of the first support rod are respectively fixedly connected to the fixing holes on the angle steel of the telescopic crossbar and the telescopic diagonal bar by bolts. One end of the second support rod is fixedly connected to the fixing hole on the angle steel of the telescopic diagonal bar by bolts, and the other end is hinged to the hinge end of the telescopic diagonal bar and the telescopic upright.

[0010] A further technical solution is as follows: reinforcing steel plates are fixedly connected to the side wings of the angle steel overlap of the telescopic crossbar, telescopic upright, first support, and second support; and bent steel plates are fixedly connected to the connection of the telescopic crossbar and telescopic upright.

[0011] A further technical solution is as follows: The top of the I-beam is fixedly connected with a back beam timber, the back beam timber is fixedly connected to a sloping template by fasteners, the lower end of the sloping template is connected to the rock wall, and the upper end is fixedly connected to a vertical template. The vertical template is installed on the vertical waler by multiple horizontal back beams. Tie rods are fixedly connected to the top and bottom of the vertical waler, and the other end of the tie rods is fixedly connected to an anchor rod anchored to the rock wall.

[0012] A further technical solution is as follows: the supporting scaffold includes multiple uprights, each with an adjustable base at its bottom. Multiple horizontal bars are installed between adjacent uprights in both the horizontal and vertical directions. Diagonal bars are also installed between the uprights. A wall tie is installed every two steps and three spans on the supporting scaffold.

[0013] The beneficial effects of this utility model are:

[0014] The support system of this utility model includes a supporting scaffold and a triangular truss. The triangular truss is equipped with telescopic horizontal bars, telescopic vertical bars, and telescopic diagonal bars that are hinged to each other. The telescopic horizontal bars, telescopic vertical bars, and telescopic diagonal bars are fixed with bolts after adjusting the overlap length between two angle steels. The length of the two right-angled sides (telescopic horizontal bars and telescopic vertical bars) can be flexibly adjusted to adapt to inclined templates with various inclination angles. It is convenient to adjust the size of the triangular truss according to parameters such as the cross-sectional dimensions of different rock anchor beams, and has a wide range of applications.

[0015] This utility model has a simple structure, is safe and reliable, is easy to install, and can be reused, thus reducing construction costs and improving construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 schematic diagram of angle-adjustable support architecture;

[0017] Fig. 2 schematic diagram of side of triangular truss.

[0018] Fig. 3 schematic diagram of connection of triangular truss and inclined formwork.

[0019] In the drawings:

[0020] 1, support scaffold, 2, triangular truss, 3, telescopic horizontal rod, 4, telescopic vertical rod, 5, telescopic inclined rod, 6, first supporting rod, 7, second supporting rod, 8, angle steel, 9, reinforcing steel plate, 10, bent steel plate, 11, adjustable support, 12, adjustable base, 13, vertical rod, 14, horizontal rod, 15, inclined rod, 16, wall connecting piece, 17, inclined formwork, 18, vertical formwork, 19, fastener, 20, bracing, 21, backrest square wood, 22, horizontal backrest, 23, pull rod, 24, anchor rod, 25, vertical surrounding purlin, 26, working scaffold, 27, steel jumping plate, 28, rock anchor beam, 29, concrete cushion layer, 30, I-beam, 31, pad, 32, fixed hole. DETAILED DESCRIPTION

[0021] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the structure related to the utility model.

[0022] In the description of the utility model, it needs to be explained that, if the orientation or position relationship indicated by the terms such as “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and it is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, if the terms “mounting”, “connection” and “connection” appear, they should be understood in a broad sense, for example, they can be fixedly connected, or they can be detachably connected, or integrally connected; they can be mechanically connected, or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium; they can be connected inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] An adjustable formwork support system, such asFigs. 1-3 As shown, for underground powerhouse rock wall crane beam concrete pouring, including support scaffold 1 and triangular truss 2, one side of the support scaffold 1 is provided with a working scaffold 26, the top of the vertical rod 13 of the support scaffold 1 is provided with an adjustable support 11, the triangular truss 2 includes a telescopic horizontal rod 3, a telescopic vertical rod 4 and a telescopic inclined rod 5 which are hinged to form a right triangle structure, the bottom of the telescopic horizontal rod 3 is fixedly connected with the top of the adjustable support 11, and the top of the telescopic inclined rod 5 is provided with a plurality of I-beams 30 at equal intervals.

[0025] The telescopic first support rod 6 is detachably connected between the telescopic inclined rod 5 and the telescopic horizontal rod 3, and the telescopic second support rod 7 is detachably connected between the connection of the telescopic vertical rod 4 and the telescopic horizontal rod 3 and the telescopic inclined rod 5. The first support rod 6 and the second support rod 7 are arranged to reinforce the triangular truss 2 and improve the stability of the triangular truss 2, and the telescopic length of the first support rod 6 and the second support rod 7 can be adjusted according to the angle of the triangular truss 2.

[0026] The telescopic horizontal rod 3, the telescopic vertical rod 4, the telescopic inclined rod 5, the first support rod 6 and the second support rod 7 are all formed by two angle steels which are overlapped on the adjacent ends, and a plurality of fixing holes 32 are arranged on the adjacent ends of the side wings of the two angle steels 8 along the length direction and are fixedly connected with bolts. According to the Pythagorean theorem, the spacing of the threaded holes on the telescopic inclined rod 5, the telescopic horizontal rod 3 and the telescopic vertical rod 4 is set respectively, and specifically, the spacing of the threaded holes on the telescopic horizontal rod 3 or the telescopic vertical rod 4 is set as 5cm or an integer multiple of 5cm. In actual construction and use, a plurality of fixing holes for fixing the length can be drilled on the side wings of the overlapped part of the two angle steels of the telescopic horizontal rod 3, the telescopic vertical rod 4 or the telescopic inclined rod 5 after the telescopic horizontal rod 3, the telescopic vertical rod 4 and the telescopic inclined rod 5 are adjusted to the suitable length and angle, and the two fixing holes are fixedly connected by bolts and nuts, so that the whole triangular truss meets the inclination angle of the rock anchor beam and the construction needs.

[0027] A pad 31 is arranged between the top of the overlapped lower angle steel 8 of the telescopic inclined rod 5 and the I-beam 30, and the thickness of the pad 31 is the same as the thickness of the side wing of the angle steel 8. The pad 31 is arranged to eliminate the height difference caused by the overlapped connection of the two angle steels 8, so that the top surfaces of the I-beams 30 at the top of the telescopic inclined rod 5 are on the same plane.

[0028] A reinforcing steel plate 9 is fixedly connected on the side wing of the overlapped part of the angle steels 8 of the telescopic horizontal rod 3, the telescopic vertical rod 4, the first support rod 6 and the second support rod 7, and a bent steel plate 10 is fixedly connected at the connection of the telescopic horizontal rod 3 and the telescopic vertical rod 4. The reinforcing steel plate 9 improves the stability of the overlapped part, and the bent steel plate 10 improves the stability of the connection between the telescopic horizontal rod 3 and the telescopic vertical rod 4.

[0029] The first supporting rod 6 and the second supporting rod 7 are both provided with threaded holes, the two ends of the first supporting rod 6 are fixedly connected with the fixed holes on the angle steel 8 of the telescopic horizontal rod 3 and the telescopic inclined rod 5 through bolts respectively, one end of the second supporting rod 7 is fixedly connected with the fixed hole on the angle steel 8 of the telescopic inclined rod 5 through a bolt, and the other end is hingedly connected with the hinged end of the telescopic horizontal rod 3 and the telescopic vertical rod 4.

[0030] The top of the I-shaped steel 30 is fixedly connected with a back lath square wood 21, the back lath square wood 21 is fixedly connected with the inclined formwork 17 through the fastener 19, the lower end of the inclined formwork 17 is connected with the rock wall, the upper end of the inclined formwork is fixedly connected with the vertical formwork 18, the vertical formwork 18 is installed on the vertical surrounding purlin 25 through multiple horizontal back laths 22, the top and the bottom of the vertical surrounding purlin 25 are fixedly connected with the pull rod 23, and the other end of the pull rod 23 is fixedly connected with the anchor rod 24 anchored on the rock wall.

[0031] In a specific embodiment, the fastener 19 adopts a butterfly buckle, the screw rod of the butterfly buckle penetrates through the inclined formwork 17 and the back lath square wood 21, the top end of the screw rod penetrating out of the upper end of the inclined formwork 17 is fixedly connected with the stay 20, the other end of the stay 20 is fixedly connected with the anchor rod 24 anchored on the rock wall, and two steel pipes are fixedly connected on the butterfly buckle below the back lath square wood 21.

[0032] The supporting scaffold 1 is built on the concrete cushion layer 29, specifically, the supporting scaffold 1 comprises multiple vertical rods 13, the top end and the bottom end of the vertical rod 13 are respectively provided with an adjustable support 11 and an adjustable base 12, multiple horizontal rods 14 are arranged transversely and longitudinally between adjacent two vertical rods 13, and an inclined rod 15 is further arranged between the vertical rods 13. Preferably, one connecting wall piece 16 is arranged every two steps and three spans on the supporting scaffold 1, so as to improve the stability of the supporting scaffold 1 as a whole.

[0033] The operation scaffold 26 is built on the side of the supporting scaffold 1 away from the rock anchor beam 28, multiple steel jump plates 27 are arranged on the operation scaffold 26 along the height direction at intervals, so as to facilitate workers to work up and down.

[0034] Based on the above ideal embodiment according to the present application, through the above description, relevant staff can make various changes and modifications without deviating from the technical concept of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. An adjustable formwork support system, characterised in that, The support scaffold is provided with a work scaffold on one side, and the top end of the vertical rod of the support scaffold is provided with an adjustable support; the triangular truss comprises telescopic horizontal rods, telescopic vertical rods and telescopic inclined rods which are hingedly connected to form a right-angled triangular structure, the bottom of the telescopic horizontal rod is fixedly connected with the adjustable support, and the top of the telescopic inclined rod is provided with a plurality of I-beams at equal intervals.

2. A system according to claim 1, wherein, The telescopic inclined rod and the telescopic horizontal rod are connected with a telescopic first support rod, and the connection position of the telescopic vertical rod and the telescopic horizontal rod and the telescopic inclined rod are connected with a telescopic second support rod.

3. An adjustable formwork support system according to claim 2, wherein, The telescopic horizontal rod, the telescopic vertical rod, the telescopic inclined rod, the first support rod and the second support rod are all formed by two adjacent angle steels which are overlapped on the top and bottom, a plurality of fixing holes are arranged on the side wings of the two adjacent angle steels along the length direction, and the fixing holes are threadedly connected by bolts.

4. A system according to claim 3, wherein, A backing plate is arranged between the top of the overlapped angle steel in the telescopic inclined rod and the I-beam, and the thickness of the backing plate is the same as the thickness of the side wing of the angle steel.

5. An adjustable formwork support system according to claim 3, wherein, The two ends of the first support rod and the second support rod are provided with threaded holes, the two ends of the first support rod are fixedly connected with the fixing holes on the angle steels of the telescopic horizontal rod and the telescopic inclined rod by bolts, one end of the second support rod is fixedly connected with the fixing hole on the angle steel of the telescopic inclined rod by a bolt, and the other end is hingedly connected with the hinge end of the telescopic horizontal rod and the telescopic vertical rod.

6. An adjustable formwork support system according to claim 3, wherein, The side wings of the angle steels at the joint positions of the telescopic horizontal rod, the telescopic vertical rod, the first support rod and the second support rod are fixedly connected with reinforcing steel plates, and the joint position of the telescopic horizontal rod and the telescopic vertical rod is fixedly connected with a bent steel plate.

7. An adjustable formwork support system according to claim 1, wherein, The top of the I-beam is fixedly connected with a back lath square wood, the back lath square wood is fixedly connected with an inclined formwork through a fastener, the lower end of the inclined formwork is connected with a rock wall, and the upper end is fixedly connected with a vertical formwork, the vertical formwork is installed on a vertical surrounding purlin through a plurality of horizontal back laths, the top and bottom of the vertical surrounding purlin are fixedly connected with pull rods, and the other ends of the pull rods are fixedly connected with anchor rods anchored on the rock wall.

8. The adjustable formwork support system of claim 1, wherein, The support scaffold comprises a plurality of vertical rods, the bottom end of the vertical rod is provided with an adjustable base, a plurality of horizontal rods are arranged transversely and longitudinally between the adjacent two vertical rods, and an inclined rod is further arranged between the vertical rods, and one wall connecting piece is arranged every two steps and three spans on the support scaffold.

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