A tunnel curb ditch form fixing device

Abstract

The application provides a tunnel inner curb ditch formwork fixing device, which comprises two fixing device bodies, the two fixing device bodies are respectively arranged at two ends of a curb ditch formwork, the two fixing device bodies are connected through a connecting assembly, the fixing device body comprises a truss structure, the curb ditch formwork comprises a ditch side formwork and a ditch top formwork, the ditch top formwork is arranged on the top of the truss structure, and the ditch side formwork is arranged on the side wall of the truss structure. The structure can ensure that the curb ditch formwork and the pavement formwork do not interfere with each other, so that the purpose of integral pouring is achieved, the traditional construction method mentioned in the background art cannot achieve the purpose of integral pouring of the curb ditch and the pavement slab, the phenomenon of two layers of the curb ditch and the tunnel pavement slab is easily caused, and the quality hidden danger is caused.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of road construction, and particularly relates to a fixing device for a curb ditch formwork in a tunnel. BACKGROUND

[0002] In the construction of a curb ditch in a highway tunnel, the traditional process is to install a formwork after the construction of a tunnel pavement slab is completed to construct a curb ditch, but the traditional construction method cannot achieve the purpose of integral pouring of the curb ditch and the pavement slab, and besides, due to a small pouring operation area, the concrete is difficult to be vibrated and compacted, and in addition, the curb ditch has a small thickness, which easily causes the phenomenon of two layers of the curb ditch and the tunnel pavement slab, thus causing quality hidden troubles. SUMMARY

[0003] The present application aims to provide a fixing device for a curb ditch formwork in a tunnel, which solves the above-mentioned deficiencies in the prior art.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present application is as follows:

[0005] The present application provides a fixing device for a curb ditch formwork in a tunnel, which comprises two fixing device bodies, and the two fixing device bodies are respectively arranged at two ends of the curb ditch formwork.

[0006] The two fixing device bodies are connected through a connecting assembly.

[0007] The fixing device body comprises a truss structure.

[0008] The curb ditch formwork comprises a side ditch formwork and a top ditch formwork, wherein the top ditch formwork is installed on the top of the truss structure, and the side ditch formwork is installed on the side wall of the truss structure.

[0009] Preferably, the truss structure comprises a cross beam, a support rod and a suspender, the cross beam is installed above the cable groove, one end of the support rod is connected with one end of the cross beam, the support rod is arranged in the gap between the cable groove and the tunnel wall, and the suspender is installed on the other end of the cross beam.

[0010] Preferably, the top ditch formwork is installed on the cross beam through a lifting adjusting device for adjusting the up-and-down movement of the top ditch formwork.

[0011] Preferably, the lifting adjusting device comprises a mechanical jack, a first fixed rod, a second fixed rod and a high-strength screw rod, wherein one end of the first fixed rod is fixed on the cross beam, and the free end of the first fixed rod is connected with the upper support point of the mechanical jack; one end of the second fixed rod is connected with the lower support point of the mechanical jack, and the free end of the second fixed rod is connected with the side ditch top formwork; the threaded segment of the high-strength screw rod passes through the through hole formed on the boom and the support point on the side of the mechanical jack away from the cable trench in sequence, and is connected with the high-strength nut fixed on the inner wall of the support point on the side of the mechanical jack close to the cable trench.

[0012] Preferably, the side ditch side formwork is installed on the boom through a fixing assembly.

[0013] Preferably, the fixing assembly comprises a welding plate and a connecting plate, wherein one end of the welding plate is fixed on the side wall of the side ditch side formwork, and the welding plate is connected with the connecting plate through bolts; one end of the connecting plate is fixed on the boom.

[0014] Preferably, a walking part is arranged on the truss structure, and the walking part is matched with the cable trench.

[0015] Preferably, the walking part comprises four walking wheels, which are a first walking wheel, two second walking wheels and a third walking wheel, wherein the first walking wheel is installed on the cross beam and is in contact with the top surface of the cable trench; the two second walking wheels are installed on the support rods and are in contact with the inner side walls of the cable trench; and the third walking wheel is installed on the lifting adjusting device and is in contact with the outer side wall of the cable trench.

[0016] Preferably, the connecting assembly comprises three angle steels, wherein the top portions of the two fixed device bodies are connected through two parallel arranged angle steels; and the side walls of the two fixed device bodies are connected through the remaining angle steel.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The fixing device for the tunnel curb side ditch formwork provided by the present application installs the side ditch side formwork of the curb side ditch formwork on the side wall of the truss structure, installs the side ditch top formwork on the top of the truss structure, and forms a form structure, which can ensure that the curb side ditch formwork and the pavement formwork do not interfere with each other, so as to realize the purpose of integral pouring, solve the problem that the traditional construction method cannot achieve the purpose of integral pouring of the curb side ditch and the pavement slab, and avoid the phenomenon that the curb side ditch and the tunnel pavement slab are two separate pieces, thereby avoiding the quality hidden danger caused by the phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view of the present application;

[0020] Figure 2Detail view of the adjustment device. DETAILED DESCRIPTION

[0021] The application will be further described in detail below in combination with the drawings and examples.

[0022] In order to solve the problem of integral pouring of the curb ditch and the tunnel pavement slab, the application provides a form erecting mode to ensure that the curb ditch formwork and the pavement slab formwork do not interfere with each other, thereby achieving the purpose of integral pouring. In addition, the positioning and removal of the formwork can be quickly achieved by the mechanical jack, and the repositioning and re-construction can be quickly achieved by the walking system.

[0023] As shown in Figure 1 , Figure 2 The application provides a fixing device for a curb ditch formwork in a tunnel, which comprises two fixing device bodies, and the two fixing device bodies are respectively arranged at two ends of the curb ditch formwork.

[0024] The two fixing device bodies are connected through a connecting assembly.

[0025] The connecting assembly comprises three angle steels, wherein two angle steels are arranged in parallel between the top portions of the two fixing device bodies, and one angle steel is arranged between the side walls of the two fixing device bodies.

[0026] The curb ditch formwork comprises a ditch side formwork 42 and a ditch top formwork 4.

[0027] The ditch top formwork is installed on the top portion of the truss structure, and the ditch side formwork is installed on the side wall of the truss structure.

[0028] The fixing device body comprises a cross beam 1, a suspender 2, a mechanical jack 3, a ditch top formwork 4, a support rod 5, an angle steel 6, a first walking wheel 11, a first bolt 12, a connecting plate 21, a first fixing rod 31, a high-strength screw rod 38, a first high-strength nut 33, a second high-strength nut 34, a manual adjustment device 35, a third walking wheel 36, a third high-strength nut 37, a mounting plate 121 and a second bolt 122, wherein the cross beam 1 is installed on the top of the cable groove, one end of the support rod 5 is connected with the cross beam 1, and the two are spliced to form an inverted L-shaped structure.

[0029] The cross beam 1 is provided with the first walking wheel 11, and the first walking wheel 11 is in contact with the top of the cable groove.

[0030] The support rod 5 is arranged in the gap between the cable groove and the tunnel wall.

[0031] The support rod 5 is provided with two second walking wheels 51, the two second walking wheels 51 are arranged side by side and in contact with the wall of the cable groove.

[0032] The free end side of the crossbeam 1 is connected with a suspender 2 through a first bolt 12, and the suspender 2 is arranged in parallel with the supporting rod 5.

[0033] The crossbeam 1, the suspender 2 and the supporting rod 5 form a truss structure.

[0034] The bottom of the crossbeam 1 is provided with a sliding groove, and the suspender 2 is fittedly installed in the sliding groove and moves back and forth along the axial direction of the crossbeam 1.

[0035] The suspender 2 is fittedly installed in the sliding groove through an adjusting device.

[0036] The adjusting device comprises a mounting plate 121 welded on the top of the suspender 2, and a second bolt 122 is fixed on the mounting plate 121, the free end of the second bolt is fittedly installed in the sliding groove, and the second bolt can make the suspender 2 slide along the crossbeam 1 in a small range in an untightened state, so as to facilitate the removal of the side mold.

[0037] The suspender 2 is provided with a side ditch side mold plate 42.

[0038] A welding plate 41 is welded on the side ditch side mold plate 42, and a connecting plate 21 is connected with the welding plate 41 through a bolt, and the connecting plate 21 is fixed on the lower end of the suspender 2.

[0039] A first fixed rod member 31 is installed on the crossbeam 1, and the first fixed rod member 31 is connected with the crossbeam 1 through a bolt.

[0040] The first fixed rod member 31 is arranged between the suspender 2 and the cable groove.

[0041] A mechanical jack 3 is installed on the free end of the first fixed rod member 31.

[0042] The mechanical jack 3 is further connected with a second fixed rod member 32, and the first fixed rod member 31 and the second fixed rod member 32 are coaxially arranged.

[0043] The free end of the second fixed rod member 32 is connected with a side ditch top mold plate 4.

[0044] The mechanical jack 3 and the suspender 2 are connected through a high-strength screw rod 38.

[0045] A through hole is formed on the suspender 2, and the bottom of the high-strength screw rod 38 is threadedly connected with a first high-strength nut 33 fixed on the mechanical jack through the through hole and the inner cavity of the mechanical jack 3.

[0046] The nut 33 is fixed on the inner wall of the mechanical jack 3 near the fulcrum on the side of the cable groove.

[0047] The outer wall of the fulcrum is fixed with a third walking wheel 36, which is in contact with the cable groove wall.

[0048] The inner and outer walls of the boom 2 are respectively fixed with a second high-strength nut 34 and a third high-strength nut 37, and a high-strength screw rod 38 is in threaded connection with the first high-strength nut 33 in sequence through the third high-strength nut 37, the second high-strength nut 34 and the inner cavity of the mechanical jack 3.

[0049] The outer wall of the fulcrum near the side of the boom of the mechanical jack 3 is welded with the second high-strength nut 34, which is in matched connection with the high-strength screw rod 38.

[0050] The top of the high-strength screw rod 38 is fixed with a manual adjusting device 35.

[0051] The manual adjusting device 35 is a handle.

[0052] The mechanical jack is a shear jack.

[0053] The working process of the present application is as follows:

[0054] After all the components are assembled, the truss structure and the mechanical jack are installed on the cable groove side wall, and the formwork elevation is adjusted (the elevation is determined when the components are processed), after the installation of all components is completed, the formwork positioning is started, that is, the device is pushed to the section to be poured, the manual adjusting device 35 is rotated clockwise, the boom 2 is moved to the right under the driving of the jack through the adjusting device, so that the purpose of formwork positioning is quickly achieved, after the concrete pouring is completed, the manual adjusting device 35 is rotated counterclockwise, the mechanical jack is opened, the formwork is lifted through the second fixing rod 32 at the bottom, and the side formwork is moved backward through the adjusting device, so that the formwork removal is completed, and the pushing device can be used for the next cycle construction.

[0055] The present application solves the problem of integral pouring of curb ditch concrete and tunnel inner pavement slab concrete, and the formwork positioning is simple and convenient to assemble and disassemble.

Claims

1. A tunnel curb trench form securing device, comprising: The two fixed device bodies are arranged at two ends of the curb ditch formwork respectively; The two fixed device bodies are connected through the connecting assembly; The fixed device body comprises a truss structure; The curb ditch formwork comprises a curb ditch side formwork and a curb ditch top formwork, wherein the curb ditch top formwork is installed on the top of the truss structure; the curb ditch side formwork is installed on the side wall of the truss structure; The truss structure comprises a crossbeam (1), a support rod (5) and a boom (2), wherein the crossbeam (1) is installed above the cable trench; one end of the support rod (5) is connected with one end of the crossbeam (1), and the support rod (5) is arranged in the gap between the cable trench and the tunnel wall; the boom (2) is installed on the other end of the crossbeam (1); The curb ditch top formwork is installed on the crossbeam (1) through the lifting adjusting device for adjusting the up-and-down movement of the curb ditch top formwork; The curb ditch side formwork is installed on the boom (2) through the fixing assembly; The truss structure is provided with a walking part which cooperates with the cable trench.

2. The tunnel curb trench form securing device of claim 1, wherein, The lifting adjusting device comprises a mechanical jack (3), a first fixed rod (31), a second fixed rod (32) and a high-strength screw rod (38), wherein one end of the first fixed rod (31) is fixed on the crossbeam (1), and the free end of the first fixed rod (31) is connected with the upper support point of the mechanical jack (3); one end of the second fixed rod (32) is connected with the lower support point of the mechanical jack (3), and the free end of the second fixed rod (32) is connected with the curb ditch top formwork; the threaded section of the high-strength screw rod (38) passes through the through hole formed on the boom (2) and the support point on the side of the mechanical jack (3) away from the cable trench in sequence, and is connected with the high-strength nut fixed on the inner wall of the support point on the side of the mechanical jack (3) close to the cable trench.

3. The tunnel curb trench form securing device of claim 1, wherein, The fixing assembly comprises a welding plate (41) and a connecting plate (21), wherein one end of the welding plate (41) is fixed on the side wall of the curb ditch side formwork, and the welding plate is connected with the connecting plate (21) through bolts; one end of the connecting plate (21) is fixed on the boom (2).

4. The tunnel curb trench form securing device of claim 1, wherein, The walking part comprises four walking wheels, which are a first walking wheel (11), two second walking wheels (51) and a third walking wheel (36) respectively, wherein the first walking wheel (11) is installed on the crossbeam (1) and contacts the top surface of the cable trench; the two second walking wheels (51) are installed on the support rod (5) and contact the inner side wall of the cable trench; the third walking wheel (36) is installed on the lifting adjusting device and contacts the outer side wall of the cable trench.

5. The apparatus of claim 1, wherein: The connecting assembly comprises three angle steels, wherein the top portions of the two fixed device bodies are connected through two parallel arranged angle steels; the side walls of the two fixed device bodies are connected through the remaining angle steel.

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