Automatic vibrating and end sealing template for box girder

Abstract

The utility model discloses a box girder automatic vibration end sealing template which comprises a cover plate detachably connected to the beam end face of a box girder, an anchor recess to be sealed is formed in the beam end face of the box girder, and at least two fixing rods distributed in parallel are arranged on the surface of the side, away from the box girder, of the cover plate. Clamping mechanisms which are in clamping connection with the inner side wall and the outer side wall of the box girder are arranged at the two ends of the fixing rod correspondingly; a grouting opening communicated with the anchor recess is formed in the upper part of the cover plate, is distributed close to the top of the anchor recess, and is movably provided with a blocking plate; the cover plate is provided with a vibrator located below the grouting opening. The clamping mechanism is installed on the fixing rod, the cover plate can be firmly clamped on the beam end face of the box beam, tie bars do not need to be pre-buried, mounting and dismounting are convenient, concrete can be fully tamped through the attached vibrator, and construction quality is improved; in addition, the device can be recycled, and has better practicability and popularization and application value.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field especially relates to a box girder automatic vibration end sealing formwork. BACKGROUND

[0002] When the box girder is prefabricated, the box girder main body is prepared by preliminary pouring first, then prestressed reinforcement tensioning is carried out, and after tensioning is completed, the tension hole in the box girder is grouted, the steel strand is cut and the anchor is sealed, after the anchor is sealed, the tension reinforcement head is left in the anchor hole at the end of the box girder, and then the end of the box girder needs to be poured for end sealing treatment.

[0003] At present, the end sealing formwork for sealing the anchor hole mostly adopts wooden board or thin iron sheet formwork, which is fixed by using the form of pre-embedded tensioning, the formwork is removed after pouring, the exposed tensioning is cut off and then smoothed, in actual operation, such process is very complex, and the tensioning cannot be recycled, at the same time, the anchor concrete is inserted and vibrated by using a vibrating rod, and due to improper use of the vibrating tool, the concrete is not compacted, the top of the anchor hole is hollow or separated. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of box girder automatic vibration end sealing formwork, with the characteristics of no need to pre-embedded tensioning, convenient construction, and by the self-attached attached type vibrator, concrete can be fully rammed, and the problems mentioned in the above background technology are well solved.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of box girder automatic vibration end sealing formwork, including the cover plate of detachable connection in the beam end surface of box girder, the beam end surface of the box girder has the anchor hole to be sealed, the side surface of the cover plate away from the box girder is equipped with at least two parallel distribution fixed rods, the both ends of the fixed rod are respectively equipped with the clamping mechanism of clamping connection with the inner side wall and the outer side wall of box girder;The upper portion of the cover plate is equipped with the grouting port being communicated with the anchor hole, the grouting port is distributed close to the top of the anchor hole, the grouting port movably installs sealing plate;The cover plate is installed with the vibrator below grouting port.

[0007] Further, the clamping mechanism includes clamping block and lock slot at the end of the fixed rod, the lock slot is distributed along the length direction of the fixed rod, the clamping block is equipped with the first threaded rod being perpendicular to the fixed rod, the first threaded rod penetrates the lock slot, the end of the first threaded rod away from the clamping block is installed with lock nut.

[0008] Further, the end side wall of the clamping block close to the cover plate is equipped with anti-skid gasket.

[0009] Further, the lock slot is a U-shaped through slot.

[0010] Further, the two sides of the grouting opening are respectively provided with parallel distribution of baffle plates, the lower part of the two baffle plates is provided with a rotating shaft, the lower part of the sealing plate is rotationally connected with the rotating shaft, the side of the baffle plate away from the cover plate is provided with a limiting plate extending towards the sealing plate, and the limiting plate is inclined distribution.

[0011] Further, the upper part of the baffle plate is provided with a insertion hole, and the insertion hole is provided with a locking pin.

[0012] Further, the installation position of the vibrator is opposite to the center of the anchor hole.

[0013] Further, the side surface of the cover plate away from the box girder is provided with a fixing mechanism for fixing the vibrator.

[0014] Further, the fixing mechanism comprises a fixing plate, a clamping block, a second threaded rod and a fixing nut mounted on the second threaded rod, the fixing plate is weldedly connected with the cover plate, the clamping block is fixed at one end of the fixing plate, the second threaded rod is rotationally installed at the other end of the fixing plate, one side of the vibrator is provided with a first clamping groove embeddedly connected with the clamping block, and the other side of the vibrator is provided with a second clamping groove embeddedly connected with the second threaded rod.

[0015] Further, the cover plate is provided with a lifting ring.

[0016] Compared with the prior art, the box girder automatic vibration end sealing formwork has the following beneficial effects:

[0017] The cover plate can be firmly clamped on the beam end surface of the box girder through the clamping mechanism on the fixing rod, without the need of pre-buried reinforcing bars, and the installation and disassembly are relatively convenient, the concrete can be fully tamped through the self-provided attached vibrator, and the construction quality is provided; in addition, the vibrator can be recycled, and has better practicality and popularization and application value. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0020] Figure 2 It is an assembly schematic view of the vibrator and the sealing plate on the cover plate.

[0021] Figure 3 The utility model discloses the use of the box girder is the schematic diagram of the use of the utility model in the box girder.

[0022] Figure 4 For Figure 3 The cross section schematic diagram along A-A direction.

[0023] Reference Signs: 1, cover plate;11, fixed rod;111, lock groove;12, grouting port;13, plugging plate;14, clamping block;141, first threaded rod;142, locking nut;15, non-slip gasket;16, baffle;161, rotating shaft;162, limiting plate;163, insertion hole;164, lock pin;17, fixed plate;171, clamping block;172, second threaded rod;173, fixed nut;18, lifting ring;2, vibrator;21, first clamping groove;22, second clamping groove;3, box girder;31, beam end face;32, anchor hole. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings through specific embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Reference Figures 1-4 The embodiment provides a box girder automatic vibration end sealing formwork, including the cover plate 1 that can be detachably connected at the beam end face 31 of the box girder 3, the beam end face 31 of the box girder 3 has the anchor hole 32 to be plugged, the side surface of the cover plate 1 away from the box girder 3 is equipped with at least two parallel distribution's fixed rod 11, and the both ends of the fixed rod 11 are equipped with the clamping mechanism of clamping connection with the inner side wall and the outer side wall of the box girder 3 respectively;The upper portion of the cover plate 1 is equipped with the grouting port 12 that communicates with the anchor hole 32, and the grouting port 12 is close to the top distribution of the anchor hole 32, and the grouting port 12 movably installs the plugging plate 13;The cover plate 1 is installed with the vibrator 2 below the grouting port 12.Through installing the clamping mechanism on the fixed rod, the cover plate can be firmly clamped on the beam end face of the box girder, need not pre-buried tensioning bar, and installation and disassembly are relatively convenient, and the concrete can be fully rammed by the self-attached attached vibrator, and the construction quality is provided;In addition, since the whole can be disassembled, can be recycled, has better practicality and popularization and application value.

[0026] In some specific embodiments, the cover plate 1 and the plugging plate 13 are both steel plates.

[0027] In some specific embodiments, reference Figures 1-4The clamping mechanism comprises a clamping block 14 and locking grooves 111 located at the ends of the fixing rods 11, the locking grooves 111 are distributed along the length direction of the fixing rods 11, the clamping block 14 is provided with a first threaded rod 141 which is distributed perpendicularly to the fixing rods 11, the first threaded rod 141 penetrates the locking grooves 111, and a locking nut 142 is installed at the end of the first threaded rod 141 which is away from the clamping block 14. Since the locking grooves are distributed along the direction of the fixing rods, it is convenient to adapt to box beams of different thicknesses for clamping and installing the cover plate; the position of the clamping block can be adjusted by twisting the locking nut, and the clamping block can be clamped and fixed to the inner side wall or the outer side wall of the box beam, and after the end is sealed, the clamping block can be disassembled and recycled.

[0028] As an improved embodiment, refer to Figure 1 The clamping block 14 is provided with a non-slip gasket 15 near one end side wall of the cover plate 1, so as to greatly increase the non-slip performance and avoid the clamping block from slipping.

[0029] In some specific embodiments, as shown in Figures 1-3 The locking grooves 111 are U-shaped through grooves, so as to facilitate quick assembly and disassembly.

[0030] In some specific embodiments, refer to Figures 1-4 The two sides of the grouting port 12 are respectively provided with parallel distributed baffle plates 16, the lower part of the two baffle plates 16 is provided with a rotating shaft 161, the lower part of the plugging plate 13 is rotationally connected with the rotating shaft 161, and the side of the baffle plate 16 which is away from the cover plate 1 is provided with a limiting plate 162 which protrudes and extends towards the plugging plate 13, and the limiting plate 162 is inclinedly distributed. More specifically, as shown in Figure 2 The upper part of the baffle plate 16 is provided with a insertion hole 163, and the insertion hole 163 is installed with a locking pin 164. When pouring, the locking pin is pulled out, the plugging plate is turned over and opened and supported by the limiting plate, the concrete can slide through the plugging plate in the inclined distribution state and enter the anchor hole through the grouting port, when the pouring is completed, the plugging plate is turned over and closed and the locking pin is inserted to fix the plugging plate, so that the plugging plate closes the grouting port.

[0031] In some specific embodiments, refer to Figures 1-4 The installation position of the vibrator 2 is opposite to the center of the anchor hole 32, so that the vibrator can centrally vibrate the concrete in the anchor hole, and has better vibration effect.

[0032] In some specific embodiments, refer to Figures 1-4 The side surface of the cover plate 1 which is away from the box beam 3 is provided with a fixing mechanism for fixing the vibrator 2.

[0033] More specifically, as shown in Figure 2As shown, the fixing mechanism comprises a fixing plate 17, a clamping block 171, a second threaded rod 172 and a fixing nut 173 mounted on the second threaded rod 172, the fixing plate 17 is welded to the cover plate 1, the clamping block 171 is fixed at one end of the fixing plate 17, the second threaded rod 172 is rotatably mounted at the other end of the fixing plate 17, one side of the vibrator 2 is provided with a first clamping groove 21 which is embeddedly connected with the clamping block 171, and the other side of the vibrator 2 is provided with a second clamping groove 22 which is embeddedly connected with the second threaded rod 172. During installation, first, the first clamping groove on the vibrator is aligned with the clamping block and embeddedly connected, then the second threaded rod is turned to embed the second threaded rod into the second clamping groove on the vibrator, finally the fixing nut is tightened to complete the fixing installation of the vibrator.

[0034] In some specific embodiments, with reference to Figures 1-4 The cover plate 1 is provided with a lifting ring 18, so that hoisting is facilitated.

[0035] It should be noted that the above-mentioned vibrator 2 is a product of the prior art. As an example, a high-frequency attached concrete vibrator of the Nobeiman brand, model ZF75-150, can be selected in the present application.

[0036] The above embodiments only exemplarily illustrate the concept and technical solution of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical idea disclosed by the present application should be covered by the claims of the present application.

[0037] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A box girder automatic vibration sealing end formwork, comprising a cover plate detachably connected to the beam end face of a box girder, the beam end face of the box girder having an anchor hole to be plugged, characterized in that, The side surface of the cover plate away from the box girder is provided with at least two parallel fixed rods, both ends of the fixed rod are respectively provided with clamping mechanisms clamped with the inner side wall and the outer side wall of the box girder; the upper part of the cover plate is provided with a grouting port communicated with the anchor hole, the grouting port is distributed close to the top of the anchor hole, and the grouting port is movably provided with a sealing plate; the cover plate is provided with a vibrator located below the grouting port.

2. The automatic box girder vibrating and sealing formwork according to claim 1, characterized in that, The clamping mechanism comprises a clamping block and a lock slot at the end of the fixed rod, the lock slot is distributed along the length direction of the fixed rod, the clamping block is provided with a first threaded rod perpendicular to the fixed rod, the first threaded rod penetrates the lock slot, and a locking nut is mounted at the end of the first threaded rod away from the clamping block.

3. The automatic box girder vibrating and sealing formwork according to claim 2, characterized in that, The end side wall of the clamping block close to the cover plate is provided with an anti-skid gasket.

4. The automatic box girder vibrating and sealing formwork according to claim 2, characterized in that, The lock slot is a U-shaped through slot.

5. The automatic box beam vibrating and sealing formwork according to claim 1, wherein, Both sides of the grouting port are respectively provided with parallel baffles, the lower part of the two baffles is provided with a rotating shaft, the lower part of the sealing plate is rotationally connected with the rotating shaft, one side of the baffle away from the cover plate is provided with a limiting plate protruding and extending towards the sealing plate, and the limiting plate is inclined.

6. The automatic box girder vibrating and sealing formwork according to claim 5, characterized in that, The upper part of the baffle is provided with a insertion hole, and the insertion hole is provided with a locking pin.

7. The automatic box beam vibrating and sealing formwork according to claim 1, characterized in that, The installation position of the vibrator is opposite to the center of the anchor hole.

8. The automatic box beam vibrating and sealing formwork according to claim 1, wherein, The side surface of the cover plate away from the box girder is provided with a fixing mechanism for fixing the vibrator.

9. The automatic box beam vibrating and sealing formwork according to claim 8, characterized in that, The fixing mechanism comprises a fixed plate, a clamping block, a second threaded rod and a fixing nut mounted on the second threaded rod, the fixed plate is welded with the cover plate, the clamping block is fixed at one end of the fixed plate, the second threaded rod is rotationally mounted at the other end of the fixed plate, one side of the vibrator is provided with a first clamping slot embedded with the clamping block, and the other side of the vibrator is provided with a second clamping slot embedded with the second threaded rod.

10. The automatic box beam vibrating and sealing formwork according to any one of claims 1-9, characterized in that, The cover plate is provided with lifting rings.

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