Combined hydraulic box culvert template trolley based on disc buckle scaffold

Abstract

This invention discloses a combined hydraulic box culvert formwork trolley based on disc-lock scaffolding, comprising a movable base, on which disc-lock scaffolding is detachably mounted; side formwork is provided on both sides and supported by support rods; a top formwork is provided on the upper side and supported by screws; the base includes first channel steel on both sides and a second channel steel in the middle, with multiple rollers and wheel rails for supporting and running the rollers; a hydraulic assembly is fixed on the upper side of the first channel steel for driving the wheel seats and rollers to move and lift the base off the ground. The disc-lock scaffolding structure, supported by the movable base, allows the scaffolding to be moved to the next section of construction after one section of box culvert construction is completed, eliminating the cumbersome process of dismantling and rebuilding the scaffolding, greatly shortening the construction process, saving time, and improving construction efficiency.

Description

Technical Field

[0001] This invention belongs to the technical field of box culvert construction equipment, and in particular relates to a combined hydraulic box culvert formwork trolley based on disc-lock scaffolding. Background Technology

[0002] The water conservancy project involves urban and rural water supply and irrigation replenishment, creating conditions for the region to cope with water supply security risks and improve the ecological environment. It is divided into two major sections: water conveyance trunk line and backbone water supply. The main structures include: water diversion canal, intake culvert, wastewater cleaning bridge, forebay, intake pool, main pump house, auxiliary plant, installation room, pressure tank, outlet culvert, outlet tailrace, traffic roads, management area, etc. Among them, the top slab thickness of the intake box culvert and outlet box culvert is 900mm and 700mm respectively (including the inlet flood control and outlet flood control gate culvert sections). Both the intake box culvert and the outlet box culvert are square-section cement building layers with built-in steel reinforcement skeletons, buried below the soil layer. The specific construction steps include: construction preparation → three-axis deep mixing pile construction → well construction and foundation pit dewatering → earthwork excavation → support system erection → formwork installation → reinforcement binding → concrete pouring → earthwork backfilling.

[0003] The construction of box culverts involves first preparing the reinforced concrete base slab, then using this slab as support and employing a modular, full-span scaffolding system. The scaffolding rests on the reinforced concrete base slab at the designated location. Next, side and top formwork are erected. After the formwork is in place, the reinforcing cage is assembled, and finally, the concrete pouring process begins. Currently, the modular scaffolding system lacks mobility at its base, requiring the scaffolding to be moved to the next stage after one section of the box culvert is completed, resulting in significant manpower and time costs. Summary of the Invention

[0004] The purpose of this invention is to provide a combined hydraulic box culvert formwork trolley based on disc-lock scaffolding, which solves the problems of difficulty in moving existing box culvert construction formwork support components, resulting in delays in work time and increased labor costs.

[0005] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: A combined hydraulic box culvert formwork trolley based on disc-lock scaffolding includes a movable base, on the upper side of which disc-lock scaffolding is detachably installed. Side formwork is provided on both sides of the disc-lock scaffolding and supported by support rods. A top formwork is provided on the upper side of the disc-lock scaffolding and supported by screws. The base includes first channel steel on both sides and second channel steel in the middle. The first channel steel and second channel steel on both sides are connected by multiple sets of telescopic tube assemblies and fixed as a whole. The first channel steel has a U-shaped cross section and a trough. Multiple rollers are arranged in the trough along its length. The bottom of the first channel steel is provided with a wheel rail for supporting and running the rollers. Each roller is mounted on a wheel seat. A hydraulic assembly is fixed on the upper side of the first channel steel to drive the wheel seat and rollers to move up and down as a whole, so as to raise the base off the ground support.

[0006] Furthermore, the supporting edge corresponding to the first channel steel is bent to both sides to form a supporting part, the bottom of the wheel rail has a supporting plate, the upper supporting surface of the first channel steel extends to both sides and has an extension part, and the inner side of the first channel steel and the extension part are fixed with reinforcing plate ribs.

[0007] Furthermore, the front projection of the wheel seat is U-shaped, with a support shaft on the upper side, and limiting grooves for limiting the wheel seat sidewalls are opened on both sides of the first channel steel.

[0008] Furthermore, the telescopic tube assembly includes a first sleeve fixed to the second channel steel. One end of the first sleeve is fixed to the side wall of the second channel steel, and the other end is fitted with a second sleeve. The fitting ends of the first sleeve and the second sleeve are threaded together. The free end of the second sleeve is a threaded end and has a limiting ring. It extends through the first channel steel for fixing by a nut. The first channel steel has a round hole for the threaded end of the second sleeve to pass through.

[0009] Furthermore, the disc-lock scaffolding includes vertical poles arranged along the length of the first channel steel and the second channel steel, respectively, with connecting rods connecting the vertical poles. Multiple circular disc locks are fixed to the vertical poles along their length. The ends of the connecting rods have tenons that cooperate with the disc locks. The lower ends of the vertical poles have sleeves, and the first channel steel and the second channel steel have positioning posts for the sleeves to be fitted onto.

[0010] The connecting rod has a two-section structure, and the mating end has a threaded sleeve structure.

[0011] Furthermore, the vertical rod is a tubular structure with a screw installed at its upper end. The lower end of the screw is sleeved onto the vertical rod, and the upper end is fitted with a support groove for supporting the top template. The screw is threadedly fitted with a limiting sleeve. One end of the support rod is hinged to a tenon for fixing to the vertical rod, and the other end is hinged to the side template. The support rod is a two-section structure with a threaded sleeve at the joint.

[0012] The present invention has the following beneficial effects: (1) Unlike conventional full-span scaffolding, this scaffolding is a disc-lock scaffolding structure and is supported by a movable base. After the construction of a box culvert section is completed, the scaffolding can be moved as a whole to the next section of construction through the movable base. There is no need to dismantle the scaffolding and rebuild it. This greatly shortens the construction process, saves time, and improves construction efficiency.

[0013] (2) This movable base moves at the bottom via rollers and is equipped with a wheel rail for stable movement. The wheel rail has a support plate to provide a stable support surface. When the base is needed as a stable support system, the height of the base is lowered by a hydraulic component. The bottom of the first channel steel has a support part that bends to both sides, which can support the support plate to form a stable support for the template. At the same time, when the height of the first channel steel is released, it can wrap around and cover the rollers to prevent the rollers from misaligning with the wheel rail when the base is raised by the hydraulic component. This is mainly aimed at the problem that in the existing movable template support system, after the support is provided, concrete needs to be poured and vibrated, which causes the base of the support system to shift after vibration and stress, and the rollers cannot be aligned with the wheel rail after the rollers are released.

[0014] (3) The first channel steel and the second channel steel are connected by a telescopic pipe assembly. The spacing between the first channel steel and the second channel steel is an adjustable structure, so that the width of the overall base can be adjusted to meet the requirements of the construction of box culvert templates of different widths. Moreover, the second channel steel and the first channel steel can be disassembled. The disassembled base can be divided into multiple independent components, which is convenient for transportation.

[0015] (4) In this invention, the base and the disc-lock scaffold are combined to complete the construction process of the box culvert formwork. The upper disc-lock scaffold and the base are installed through positioning columns and have a sleeve structure. The installation is convenient and detachable. In cases where the base is not needed, the disc-lock scaffold can be disassembled and used independently for support operations. It can be applied to formwork construction in other situations, reduce equipment costs, make comprehensive use of equipment resources, and realize a sustainable operation system. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0017] Figure 1 : A schematic diagram of the structure of the side formwork and top formwork erection during the construction process of this invention.

[0018] Figure 2 : Schematic diagram of the installation structure of the disc-lock scaffold and base of the present invention.

[0019] Figure 3 : Schematic diagram of the separation structure of the disc-lock scaffold and the base of the present invention.

[0020] Figure 4 : Schematic diagram of the installation structure of the side template of the present invention.

[0021] Figure 5 : Schematic diagram of the first channel steel, roller and wheel-rail assembly structure of the present invention.

[0022] Figure 6: A schematic diagram of the overall adjustable installation structure of the first channel steel of the present invention.

[0023] Figure 7 : A schematic diagram of the installation and assembly of the screw and the top template of this invention.

[0024] The components represented by each number in the attached diagram are listed below: base 1, side template 7, top template 8, screw 51, first channel steel 11, second channel steel 12, telescopic tube assembly 2, roller 3, wheel rail 4, wheel seat 31, hydraulic assembly 32, support plate 41, plate rib 13, limiting groove 14, first sleeve 21, second sleeve 22, limiting ring 23, nut 24, vertical rod 5, connecting rod 6, positioning post 15, bracket groove 52, limiting screw sleeve 53, support rod 71. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0026] like Figures 1-4 As shown: A combined hydraulic box culvert formwork trolley based on disc-lock scaffolding includes a movable base 1, on the upper side of which disc-lock scaffolding is detachably installed. Side formwork 7 is provided on both sides of the disc-lock scaffolding and supported by support rods 71. A top formwork 8 is provided on the upper side of the disc-lock scaffolding and supported by screws 51. The disc-lock scaffolding, as a height support system, can work based on the base 1 or detach from the base 1 to support the side formwork 7 and the top formwork 8 as an independent support structure.

[0027] The base 1 includes two first channel steels 11 on both sides and a second channel steel 12 in the middle. The first channel steels 11 and the second channel steel 12 on both sides are connected by multiple sets of telescopic pipe assemblies 2 and fixed as a whole. The three sets of channel steels are arranged in parallel to each other and are connected to each other by multiple sets of telescopic pipe assemblies 2 for support. They are combined into a frame structure. The telescopic pipe assemblies can be adjusted according to the width of the box culvert to lengthen the distance between the first channel steels 11 and the second channel steel 12 on both sides, thereby increasing the lateral support range of the upper overall disc-lock scaffold. It is suitable for box culvert formwork support with various width requirements.

[0028] like Figure 5 As shown: The first channel steel 11 has a U-shaped cross section and a trough. Multiple rollers 3 are arranged in the trough along the length direction. The bottom of the first channel steel 11 is provided with a wheel rail 4 for supporting and running the rollers 3. Each roller 3 is installed on a wheel seat 31. A hydraulic component 32 is fixed on the upper side of the first channel steel 11 for driving the wheel seat 31 and rollers 3 to move up and down as a whole, so as to raise the base 1 off the ground support.

[0029] The first channel steel 11 and the second channel steel 12 have similar cross-sections, both being I-beams with two supporting edges. The lower side of the first channel steel 11 has an open channel structure, while the second channel steel 12 serves as the central support, with a closed channel structure. The bottom channel of the first channel steel 11 is used to install rollers 3, which are supported by corresponding wheel rails 4. When installing the base 1, the wheel rail position is adjusted first, and then the base is erected. The width of the first channel steel 11 on both sides is adjusted using the telescopic pipe assembly 2 to match the erection distance of the template. Finally, the upper disc-lock scaffolding and template are erected.

[0030] Unlike conventional full-span scaffolding, this scaffolding is a disc-lock scaffolding structure supported by a movable base. After completing one section of box culvert construction, the entire scaffolding can be moved to the next section via the movable base, eliminating the need for the cumbersome process of dismantling and rebuilding the scaffolding. This greatly shortens the construction process, saves time, and improves construction efficiency.

[0031] The base 1 consists of three parallel channel steel components. The lower side of the first channel steel 11 on both sides is slotted and equipped with rollers 3. A wheel-rail assembly is provided for the rollers' movement, making the rollers 3 move more smoothly. This allows for a smaller roller size, enabling smaller rollers 3 to be installed within the first channel steel 11. A hydraulic assembly 32 raises and lowers the rollers 3, simultaneously driving them up and down until they contact the wheel-rail 4, providing support and elevating the base 1. During the pouring of the box culvert side formwork, the rollers 3 are raised, moving the first channel steel 11 to support the ground, providing better stability and preventing movement. When the base 1 needs to be moved, the rollers contact the wheel-rail, elevating the first channel steel 11 and separating it from the ground. This allows for convenient movement along the length of the wheel-rail to the next construction section. The rollers 3 facilitate easy scaffold transfer. Once the designated construction section is reached, the hydraulic assembly is released, bringing the first channel steel 11 into contact with the ground for subsequent construction.

[0032] like Figure 5 As shown: the supporting edge corresponding to the first channel steel 11 is bent to both sides to form a supporting part. The bottom of the wheel rail 4 has a supporting plate 41. The upper supporting surface of the first channel steel 11 extends to both sides and has an extension. The inner side of the first channel steel 11 and the position of the extension are fixed with reinforcing ribs 13. The supporting plate 41 is used to increase the contact area between the wheel rail 4 and the ground, prevent the wheel rail from being damaged by excessive weight, and cooperate with the supporting part of the first channel steel 11. During the descent of the first channel steel 11, the supporting part contacts the supporting plate, improving the stability of the support.

[0033] The roller 3 has a roller body structure with a groove on its circumference and a convex rib structure on the upper edge of the wheel rail. It has a mutually engaging limiting structure, allowing for automatic alignment with slight misalignment when the roller moves downwards, preventing misalignment between the roller and the wheel rail. When the roller 3 is raised to bring the first channel steel 11 into contact with the support plate 41, the groove also encloses part of the wheel rail 4. During construction, mechanical vibrations will not cause the wheel rail 4 to separate from the groove of the first channel steel 11, greatly improving the accuracy of alignment between the roller 3 and the wheel rail 4 when the roller 3 moves downwards. The wheel seat 31 has a U-shaped front projection, with a support shaft on the upper side. Limiting grooves 14 for limiting the wheel seat sidewalls are provided on both sides of the first channel steel 11. The support shaft is driven by the hydraulic component 32. The upper side of the first channel steel 11 has a through hole for the support shaft to pass through. The hydraulic component 32 drives the wheel seat and roller 3 to rise and fall through the support shaft. During the rising and falling process, the wheel seat sidewall is limited by the limiting groove 14 to prevent the roller 3 from being misaligned with the wheel rail 4. The hydraulic component 32 of the present invention is a jack and is fixed on the upper side of the first channel steel 11.

[0034] like Figure 6 As shown: The telescopic tube assembly 2 includes a first sleeve 21 fixed to the second channel steel 12. One end of the first sleeve 21 is fixed to the side wall of the second channel steel 12, and the other end is fitted with a second sleeve 22. The fitting ends of the first sleeve 21 and the second sleeve 22 are threaded together. The free end of the second sleeve 22 is a threaded end and has a limiting ring 23, which extends through the first channel steel 11 for fixing by a nut 24. The first channel steel 11 has a round hole for the threaded end of the second sleeve 22 to pass through. The side wall of the second sleeve 22 also has a handle for easy rotation. The first sleeve 21 is fixed to the second channel steel 12 as a fixing component. When installing the base, it is necessary to adjust the distance between the first channel steel 11 and the second channel steel 12. The telescopic tube assembly 2 is shortened or lengthened by rotating the second sleeve 22. Then, the first channel steel 11 is assembled by passing through the round hole through the end of the second sleeve 22 to control the distance between the first channel steel 11 and the second channel steel 12. After completion, it is fixed by a nut 24.

[0035] like Figure 3 As shown: The disc-lock scaffolding includes vertical poles 5 arranged along the length of the first channel steel 11 and the second channel steel 12, respectively. Connecting rods 6 connect the vertical poles 5. Multiple circular discs are fixed to the vertical poles 5 along their length. The ends of the connecting rods 6 have tenons that engage with the discs. The lower ends of the vertical poles 5 have sleeves. The first channel steel 11 and the second channel steel 12 have positioning posts 15 for the sleeves to fit into. The vertical poles 5 are designed for detachable installation. Connecting rods 6 are installed laterally and diagonally between the vertical poles 5 for lateral and diagonal tension fixation, maintaining the stability of the entire disc-lock scaffolding.

[0036] The connecting rod 6 has a two-section structure with a threaded connection at the joint end. It is used to allow for length adjustment of the connecting rod 6 to accommodate changes in the distance between the two vertical rods 5.

[0037] like Figure 7 As shown: The vertical rod 5 is a tubular structure with a screw 51 installed at its upper end. The lower end of the screw 51 is sleeved onto the vertical rod 5, and the upper end is fitted with a support groove 52 for supporting the top formwork 8. The screw 51 is threadedly fitted with a limiting sleeve 53. Based on the required lifting height of the top formwork 8, the sleeve 53 is first adjusted, then inserted into the upper end of the vertical rod 5, and the sleeve is rotated again, thus providing support for the top formwork 8. The top formwork also has a crossbeam that mates with the support groove 52.

[0038] like Figure 4 As shown: Support rod 71 has a latch at one end for fixing to the vertical rod 5, and the other end is hinged to the side formwork 7. Support rod 71 is a two-section structure with a threaded connection at the joint. The side formwork 7 is a vertical structure, and each vertical rod 5 supports a single set of side formwork 7. Adjacent side formwork 7s are spliced ​​together to form a pouring groove. Support rod 71 can be adjusted in length, and both ends are hinged, allowing for adjustment of the fixing direction. Each set of side formwork 7 has at least two sets of support rods between it and the disc-lock scaffolding.

[0039] These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and utilize the present invention.

Claims

1. A combined hydraulic box culvert formwork trolley based on disc-lock scaffolding, characterized in that: It includes a movable base (1), on which a disc-lock scaffold is detachably installed. Side templates (7) are provided on both sides of the disc-lock scaffold and supported by support rods (71). A top template (8) is provided on the upper side of the disc-lock scaffold and supported by screws (51). The base (1) includes first channel steel (11) on both sides and second channel steel (12) in the middle. The first channel steel (11) and second channel steel (12) on both sides are connected by multiple sets of telescopic tube assemblies (2) and fixed as a whole. The first channel steel (11) has a U-shaped cross section and a groove. Multiple rollers (3) are arranged in the groove along the length direction. The bottom of the first channel steel (11) is provided with a wheel rail (4) for the rollers (3) to support and run. Each roller (3) is installed on a wheel seat (31). A hydraulic component (32) is fixed on the upper side of the first channel steel (11) for driving the wheel seat (31) and rollers (3) to move as a whole, so as to raise the base (1) away from the ground support.

2. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 1, characterized in that: The supporting edge corresponding to the first channel steel (11) is bent to both sides to form a supporting part. The bottom of the wheel rail (4) has a supporting plate (41). The upper supporting surface of the first channel steel (11) extends to both sides and has an extension part. The inner side of the first channel steel (11) and the extension part are both fixed with reinforcing plate ribs (13).

3. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 1, characterized in that: The front projection of the wheel seat (31) is U-shaped, with a support shaft on the upper side. Limiting grooves (14) for limiting the wheel seat sidewalls are opened on both sides of the first channel steel (11).

4. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 1, characterized in that: The telescopic tube assembly (2) includes a first sleeve (21) fixed to the second channel steel (12). One end of the first sleeve (21) is fixed to the side wall of the second channel steel (12), and the other end is fitted with a second sleeve (22). The first sleeve (21) and the sleeve end of the second sleeve (22) are threaded together. The free end of the second sleeve (22) is a threaded end and has a limiting ring (23). It extends through the first channel steel (11) for fixing by a nut (24). The first channel steel (11) has a round hole for the threaded end of the second sleeve (22) to pass through.

5. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 1, characterized in that: The disc-lock scaffolding includes vertical poles (5) arranged along the length of the first channel steel (11) and the second channel steel (12), respectively. Connecting rods (6) are connected between the vertical poles (5). Multiple circular discs are fixed along the length of the vertical poles (5). The end of the connecting rod (6) has a tenon that cooperates with the discs. The lower end of the vertical pole (5) has a sleeve. The first channel steel (11) and the second channel steel (12) have positioning posts (15) for the sleeve to be fitted.

6. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 5, characterized in that: The connecting rod (6) has a two-section structure, and the mating end has a threaded sleeve structure.

7. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 5, characterized in that: The vertical rod (5) is a tubular structure with the screw (51) installed at the upper end. The lower end of the screw (51) is sleeved on the vertical rod (5), and the upper end is equipped with a support groove (52) for supporting the top template (8). The screw (51) is threadedly sleeved with a limiting screw sleeve (53).

8. The combined hydraulic box culvert formwork trolley based on disc-lock scaffolding according to claim 5, characterized in that: The support rod (71) has a tenon at one end for fixing to the vertical rod (5) and a side template (7) at the other end. The support rod (71) is a two-section structure with a threaded connection at the joint end.

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