CN218951979U - Cast-in-situ box girder template placing bent - Google Patents

Abstract

The utility model relates to a bridge engineering's field discloses a cast-in-place case roof beam template rack, and it includes bailey frame and multiunit support piece, bailey frame fixed connection is subaerial, multiunit support piece all sets up on the bailey frame, multiunit support piece sets up along the length interval of case roof beam template, and every support piece of group all includes supporting pole, two diagonal bracing and many spinal branch vaulting poles, the supporting pole is used for supporting the template bottom, and many the bracing pole all sets up the supporting pole with in order to right between the bailey frame the supporting pole, two diagonal bracing all sets up on the supporting pole in order to support case roof beam template both sides. The method has the effects of reducing the possibility of deformation of the side die of the box girder and improving the quality of the poured box girder.

Description

Cast-in-situ box girder template placing bent

Technical Field

The application relates to the field of bridge engineering, in particular to a cast-in-situ box girder template placement bent.

Background

In bridge engineering, reinforced concrete structural beams are mainly divided into prefabricated box beams and cast-in-situ box beams, wherein the cast-in-situ box beams are mainly used for construction of large continuous bridges. In the construction of the cast-in-situ box girder, a template of the cast-in-situ box girder is usually supported by a template supporting device, and then the box girder is poured on the template.

At present, the existing formwork support devices are mostly scaffolds, and workers erect the scaffolds by erecting a plurality of support steel pipes together, so that the scaffolds are erected below the box girder formwork, and the box girder formwork is supported.

For the related art, the inventor finds that when the scaffold formed by supporting the steel pipes supports the side dies on the box girder templates, the steel pipe diagonal braces are difficult to fix, so that the side dies are easy to deform when the box girder is poured, and the defect that the quality of the poured and molded box girder is low exists.

Disclosure of Invention

In order to alleviate the easy deformation of side form when the case roof beam is pour, lead to pouring fashioned case roof beam quality lower, this application provides a cast-in-place case roof beam template and places bent.

The application provides a cast-in-situ box girder template places bent adopts following technical scheme:

the utility model provides a cast-in-place box girder template places bent frame, includes bailey frame and multiunit support piece, bailey frame fixed connection is subaerial, multiunit support piece all sets up on the bailey frame, multiunit support piece sets up along the length interval of box girder template, and every group support piece all includes carrier bar, two diagonal brace and many spinal branch vaulting poles, the carrier bar is used for supporting the template bottom, and many the bracing piece all sets up the carrier bar with between the bailey frame in order to right the carrier bar supports, two diagonal brace all sets up on the carrier bar in order to support box girder template both sides.

Through adopting above-mentioned technical scheme, set up two diagonal bracing on the supporting rod, when supporting the case roof beam template, set up the supporting rod in the bottom of template to support the supporting rod through bailey frame and many supporting rods, utilize the diagonal bracing to support two side forms of case roof beam template simultaneously, prevent effectively that case roof beam side form from warping, improve the quality of the case roof beam of pouring.

Preferably, the two diagonal braces are both slidably connected to the support rods, the two diagonal braces move in directions close to or far away from each other, and an adjusting assembly is arranged on the support rods and used for adjusting the distance between the two diagonal braces.

Through adopting above-mentioned technical scheme, with diagonal brace sliding connection on the support pole, can make the diagonal brace support the case beam template of different width through adjusting the position of two diagonal braces, improve two diagonal brace suitability.

Preferably, the adjusting component is provided with two groups, two groups of adjusting components and two diagonal braces are arranged in a one-to-one correspondence manner, each group of adjusting components comprises a screw and a sliding block, the screw is rotationally connected to the support rod, the sliding blocks are slidingly connected to the support rod, the sliding blocks are in threaded connection with the screw, and the diagonal braces are connected to the sliding blocks.

Through adopting above-mentioned technical scheme, set up the diagonal brace on the slider, when needs support the case roof beam template of different width, rotate the lead screw and can drive the slider and remove, the slider removes and drives the diagonal brace that is connected with it and remove, can realize the adjustment to two diagonal brace positions.

Preferably, the diagonal brace is hinged on the sliding block, the hinge axis of the diagonal brace is parallel to the length direction of the bridge formwork, an auxiliary brace component for supporting the diagonal brace is arranged on the supporting rod, the auxiliary brace component comprises a sliding ring, an auxiliary brace, a locking piece and a first tightening bolt, the sliding ring is sleeved on the outer side of the supporting rod, the sliding ring is in sliding connection with the supporting rod, the first tightening bolt is in threaded connection with the sliding ring, the first tightening bolt is used for locking the position of the sliding ring, the auxiliary brace is hinged on the sliding ring through the locking piece, and the locking piece is used for locking the auxiliary brace.

By adopting the technical scheme, the diagonal brace is hinged on the sliding block, and the diagonal brace can support the side dies of the box girder at different angles by rotating the angle of the diagonal brace, so that the applicability of the diagonal brace is further improved; after the angle of the diagonal brace is adjusted, the position of the auxiliary brace is adjusted, and then the auxiliary brace supports the diagonal brace, so that the supporting strength of the diagonal brace can be ensured.

Preferably, a screw rod is arranged at one end of the auxiliary stay bar far away from the sliding ring in a penetrating way, and the screw rod is in threaded connection with the auxiliary stay bar.

Through adopting above-mentioned technical scheme, threaded connection screw rod on assisting the vaulting pole can be adjusted the support length who assists the vaulting pole through rotating the screw rod, and then can adjust the supporting angle who assists the vaulting pole, guarantees the supporting strength of bracing piece.

Preferably, two side that the diagonal brace kept away from each other all is provided with multiunit auxiliary stay subassembly, is close to the diagonal brace the auxiliary stay subassembly is used for the diagonal brace supports, keeps away from the diagonal brace the auxiliary stay subassembly is used for supporting the template flank.

Through adopting above-mentioned technical scheme, all set up multiunit in one side of every diagonal brace and assist and prop the subassembly, when supporting the template, utilize part to assist and prop the subassembly and prop the diagonal brace, make other assistance and prop the subassembly and support the template of case Liang Ceyi position, improve the support strength of whole case roof beam template.

Preferably, each supporting rod is detachably connected with the supporting rod, a clamping buckle is fixedly connected to the supporting rod, a plugging rod is arranged on the side wall of the clamping buckle in a penetrating mode, the plugging rod is connected with the clamping buckle in a sliding mode, a spring is arranged between the plugging rod and the clamping buckle, each supporting rod is provided with a plugging hole, and the spring is used for pulling the plugging rod to be inserted into the supporting rod to be plugged into the plugging hole.

By adopting the technical scheme, when the supporting rod is installed, after the supporting rod is clamped into the clamping buckle, the inserting rod is loosened, and then the inserting rod is inserted into the inserting hole formed in the supporting rod under the pushing of the spring, so that the installation of the supporting rod can be realized; when the bent frame needs to be disassembled, the inserting connection rod is pulled out of the inserting hole, and then the supporting rod can be disassembled, so that the convenience of the installation and the disassembly of the supporting rod is improved.

Preferably, the support piece further comprises a plurality of connecting rods, each supporting rod is provided with a connecting hole matched with the connecting rod, each supporting rod is connected with a second abutting bolt in a threaded mode, and the second abutting bolts are used for being inserted into the connecting rods in the connecting holes to abut against.

Through adopting above-mentioned technical scheme, when supporting the case roof beam template, insert a plurality of support pieces with the connecting rod and lie in the connecting hole of same row, then screw up the second and support tight bolt, can many spinal branch vaulting poles link together through the connecting rod, improve the bulk strength of bent.

In summary, the present application at least includes the following beneficial technical effects:

1. two diagonal braces are arranged on two sides of the bearing rod, when the box girder template is supported, the bearing rod supports the bottom of the box girder template, and then supports two side dies of the box girder by using the two diagonal braces, so that the deformation of the side dies of the box girder is effectively prevented, and the quality of the poured box girder is improved;

2. the two diagonal braces are connected to the bearing rod in a sliding manner, and the positions of the two diagonal braces can be adjusted by driving the two diagonal braces to move through the adjusting component, so that the two diagonal braces can support box girder templates with different widths, and the applicability of the two diagonal braces is improved;

3. the inclined stay bars are hinged to the sliding blocks, and the inclined stay bars can support the side dies of the box girder at different angles by rotating the inclined stay bars, so that the applicability of the inclined stay bars is further improved; and the auxiliary stay bars are utilized to support the diagonal stay bars, so that the support strength of the diagonal stay bars after the angle adjustment is ensured.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of an adjustment assembly in an embodiment of the present application;

FIG. 3 is a schematic structural view of an auxiliary strut assembly according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a clip according to an embodiment of the present application.

Reference numerals: 100. a bailey frame; 200. a support; 300. a support rod; 400. a support rod; 500. a diagonal brace; 600. an adjustment assembly; 610. a screw rod; 620. a slide block; 630. a slip groove; 700. an auxiliary support assembly; 710. a slip ring; 720. a first abutment bolt; 730. an auxiliary stay bar; 740. a screw; 741. a mounting hole; 750. a locking member; 760. a first hinge ear; 770. a second hinge ear; 780. a bolt; 790. a nut; 800. a clamping buckle; 810. inserting a connecting rod; 820. a spring; 830. a plug hole; 840. a limiting block; 900. a connecting rod; 910. a connection hole; 920. and secondly, tightly abutting the bolt.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a cast-in-situ box girder template placing bent frame.

Referring to fig. 1, a placement bent frame for a cast-in-situ box girder formwork comprises a bailey frame 100, wherein the bailey frame 100 is fixedly connected to the ground, a plurality of groups of supporting elements 200 are installed on the bailey frame 100, the plurality of groups of supporting elements 200 are arranged at intervals along the length direction of the box girder formwork, and the plurality of groups of supporting elements 200 support the box girder formwork together. Each group of supporting pieces 200 comprises a supporting rod 300, the supporting rods 300 are located below the box girder templates, the supporting rods 300 are parallel to the width direction of the box girder templates, a plurality of supporting rods 400 are installed below the supporting rods 300, the supporting rods 400 are arranged at intervals along the length direction of the supporting rods 300, and the lower ends of the supporting rods 400 are fixedly connected to the bailey frames 100 through bolts 780. Two diagonal braces 500 are installed on the support rod 300, the two diagonal braces 500 are respectively located at positions close to two ends of the support rod 300, and the two diagonal braces 500 respectively support two side dies of the box girder template. When the box girder casting device is used, the bottom of the box girder template is supported by the supporting rods 300, two side dies of the box girder template are supported by the two inclined supporting rods 500, the deformation of the side dies of the box girder is effectively prevented, and the quality of the cast box girder is improved.

Referring to fig. 1 and 2, in order to improve applicability of the placement of the bent frame, two inclined struts 500 are slidably connected to the support rod 300, the two inclined struts 500 slide along a length direction of the support rod 300, two groups of adjusting assemblies 600 are mounted on the support rod 300, the two groups of adjusting assemblies 600 are arranged in one-to-one correspondence with the two inclined struts 500, and the two groups of adjusting assemblies 600 are used for adjusting positions of the two inclined struts 500.

Each adjusting assembly 600 includes a screw 610 rotatably connected to the support bar 300, the rotational axis of the screw 610 being parallel to the length direction of the support bar 300, two sliding grooves 630 being provided above the support bar 300, the two sliding grooves 630 being located near two ends of the support bar 300, respectively, the screw 610 being located in the sliding groove 630 on the same side of the box girder formwork as the screw 610. The screw rod 610 is connected with a sliding block 620 in a threaded manner, the sliding block 620 is matched with the sliding groove 630, the sliding block 620 is connected in the sliding groove 630 in a sliding manner, and the diagonal brace 500 is arranged on the sliding block 620 which is positioned on the same side of the diagonal brace and is positioned on the box girder template. When supporting the case girder templates of different widths, rotate lead screw 610, can drive diagonal brace 500 through lead screw 610 and remove to adjust the position of diagonal brace 500, make two diagonal brace 500 can support the side form of the case girder templates of different widths then, improve the suitability of diagonal brace 500.

Referring to fig. 2 and 3, the diagonal brace 500 is hinged to the slider 620 corresponding thereto, the hinge axis of the diagonal brace 500 is parallel to the length direction of the girder formwork, multiple sets of auxiliary brace assemblies 700 are installed on the sides of the two diagonal braces 500 far away from each other, each set of auxiliary brace assemblies 700 includes a sliding ring 710, the sliding rings 710 are sleeved on the outer sides of the supporting rods 300, the sliding rings 710 are slidably connected to the supporting rods 300, the sliding rings 710 are provided with first supporting bolts 720 in a penetrating manner, the first supporting bolts 720 are in threaded connection with the sliding rings 710 penetrating through the first supporting bolts 720, and the first supporting bolts 720 are used for locking the sliding rings 710 penetrating through the first supporting bolts on the supporting rods 300. The sliding ring 710 is provided with a locking member 750, and the sliding ring 710 is hinged with an auxiliary stay 730 through the locking member 750.

Referring to fig. 2 and 3, the locking member 750 includes a first hinge lug 760 fixedly connected to the slip ring 710, a second hinge lug 770 fixedly connected to one end of the auxiliary stay 730, and a bolt 780 passing between the first hinge lug 760 and the second hinge lug 770, wherein the first hinge lug 760 and the second hinge lug 770 are both rotatably connected to the bolt 780, and a rotation axis of the bolt 780 is parallel to a length direction of the box girder formwork; the bolt 780 is threaded through the first hinge lug 760 and the second hinge lug 770 with a nut 790, and the first hinge lug 760 and the second hinge lug 770 are positioned between the nut 790 and the head of the bolt 780. By hinging the diagonal brace 500 on the slide block 620, when the box girder side molds with different inclinations are encountered, the angle of the diagonal brace 500 can be adjusted by rotating the diagonal brace 500 so as to adapt to the box girder side molds with different angles; after the angle of the diagonal brace 500 is adjusted, the position and the angle of the auxiliary brace 730 are adjusted, then the first supporting bolt 720 is screwed down to lock the position of the sliding ring 710, then the bolt 780 and the nut 790 are screwed down again to lock the auxiliary brace 730, so that the support of the auxiliary brace 730 to the diagonal brace 500 is ensured, and the support strength of the diagonal brace 500 is ensured. In this embodiment, one auxiliary stay 730 is used to support the diagonal brace 500, and in other embodiments, two or more auxiliary stays 730 may be used to support the diagonal brace 500 in order to improve the support strength of the diagonal brace 500.

Referring to fig. 3, one end of each auxiliary stay bar 730 far away from the slip ring 710 is provided with a threaded rod 740 in a penetrating manner, the threaded rod 740 penetrates into three quarters of the depth of the auxiliary stay bar 730, the threaded rod 740 is in threaded connection with the auxiliary stay bar 730 penetrated by the threaded rod, in the supporting process of the diagonal stay bar 500, the supporting length of the auxiliary stay bar 730 can be adjusted by rotating the threaded rod 740, and then the supporting angle of the auxiliary stay bar 730 can be adjusted, so that the supporting strength of the supporting rod 400 is ensured. Meanwhile, when the box girder template supporting device is used, the auxiliary supporting rods 730 far away from the inclined supporting rods 500 can be rotated to be in a vertical state, and then other auxiliary supporting components 700 can support templates at the Liang Ceyi position of the box girder template through the extension screw 740, so that the supporting strength of the whole box girder template is improved.

Referring to fig. 2 and 3, in order to facilitate the rotation of the screws 740, two mounting holes 741 are formed in the side wall of each screw 740, and the two mounting holes 741 penetrate the screws 740, wherein one mounting hole 741 is located near the upper end of each screw 740, and the other mounting hole 741 is located near the middle of each screw 740. When the screw 740 needs to be rotated to adjust the extension length of the screw 740, a worker may insert a tool bar into one of the installation holes 741, and rotate the screw 740 by rotating the tool bar, thereby facilitating the rotation of the screw 740.

Referring to fig. 1 and 4, in order to improve convenience in installing the bent, a plurality of fastening buttons 800 are fixedly connected to the lower side of the support bar 300, and the plurality of fastening buttons 800 are disposed at intervals along the length direction of the support bar 300. Each side wall of each clamping buckle 800 is penetrated with a plugging rod 810, the plugging rods 810 are in sliding connection with the clamping buckle 800 penetrated with the plugging rods, one end of each plugging rod 810, which is far away from each clamping buckle 800, is fixedly connected with a limiting block 840, a spring 820 is sleeved on the outer side of each plugging rod 810, one end of each spring 820 is fixedly connected with each clamping buckle 800, the other end of each spring 820 is fixedly connected with each limiting block 840, and each spring 820 applies a force close to each clamping buckle 800 to each plugging rod 810. The support bar 400 is provided with a plug hole 830, and the plug hole 830 is matched with the plug bar 810. When the bent frame is installed, after the support rod 400 is clamped into the clamping buckle 800, the inserting rod 810 is loosened, and the inserting rod 810 is inserted into the inserting hole 830 formed in the support rod 400 under the pushing of the spring 820, so that the installation of the support can be realized; when the inserting rod 810 is detached, the inserting rod 810 is pulled out of the inserting hole 830, so that the support rod 400 can be detached, and the convenience in detachment of the support rod 400 is improved.

Referring to fig. 1 and 4, in order to ensure stability of the bent, each support bar 400 is provided with a connection hole 910, a connection rod 900 is disposed in the same row of the connection holes 910 in a penetrating manner, a second locking bolt 780 is disposed on a side wall of each support bar 400 in a penetrating manner, and the second locking bolt 780 is in threaded connection with the support bar 400 in which it is disposed. After the support rods 400 are installed, connecting rods 900 are penetrated in connecting holes 910 on a plurality of support rods 400 in the same row, then second abutting bolts 920 are screwed down, and the plurality of support rods 400 are connected together by using the connecting rods 900, so that the overall strength of the bent frame is improved.

The implementation principle of the cast-in-situ box girder template placement bent frame provided by the embodiment of the application is as follows: through setting up two diagonal brace 500 on the supporting rod 300, when supporting the case roof beam template, utilize many spinal branch vaulting poles 400 to support supporting rod 300, make supporting rod 300 support in the bottom of case roof beam template, utilize two diagonal brace 500 to support two side forms of case roof beam simultaneously, reduce the possibility that case roof beam side forms take place deformation, improve the quality of pouring out the case roof beam.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A cast-in-situ box girder template placing bent is characterized in that: including bailey frame (100) and multiunit support piece (200), bailey frame (100) fixed connection is subaerial, multiunit support piece (200) all set up on bailey frame (100), multiunit support piece (200) are along the length interval setting of case girder template, and every support piece (200) of group all includes carrier bar (300), two diagonal bracing (500) and many bracing piece (400), carrier bar (300) are used for supporting the template bottom, and many bracing piece (400) all set up carrier bar (300) with be in order to right between bailey frame (100) carrier bar (300) are supported, two diagonal bracing (500) all set up on carrier bar (300) are in order to support case girder template both sides.

2. A cast-in-place box girder formwork placing bent according to claim 1, wherein: two diagonal braces (500) are all sliding connection is in on supporting rod (300), two diagonal braces (500) are to being close to each other or the direction of keeping away from removes, be provided with adjusting part (600) on supporting rod (300), adjusting part (600) are used for two distance between diagonal braces (500) is adjusted.

3. A cast-in-place box girder formwork placing bent according to claim 2, wherein: the adjusting assembly (600) is provided with two groups, two groups the adjusting assembly (600) and two diagonal bracing rods (500) are arranged in a one-to-one correspondence mode, each group of adjusting assembly (600) comprises a screw rod (610) and a sliding block (620), the screw rods (610) are rotationally connected to the bearing rods (300), the sliding blocks (620) are slidingly connected to the bearing rods (300), the sliding blocks (620) are in threaded connection with the screw rods (610), and the diagonal bracing rods (500) are connected to the sliding blocks (620).

4. A cast-in-place box girder formwork placing bent according to claim 3, wherein: the diagonal brace (500) is hinged to the sliding block (620), the hinge axis of the diagonal brace (500) is parallel to the length direction of the bridge formwork, an auxiliary brace assembly (700) for supporting the diagonal brace (500) is arranged on the bearing rod (300), the auxiliary brace assembly (700) comprises a sliding ring (710), an auxiliary brace (730), a locking piece (750) and a first supporting bolt (720), the sliding ring (710) is sleeved on the outer side of the bearing rod (300), the sliding ring (710) is in sliding connection with the bearing rod (300), the first supporting bolt (720) is in threaded connection with the sliding ring (710), the first supporting bolt (720) is used for locking the position of the sliding ring (710), the auxiliary brace (730) is hinged to the sliding ring (710) through the locking piece (750), and the locking piece (750) is used for locking the auxiliary brace (730).

5. The cast-in-place box girder formwork placing bent according to claim 4, wherein: one end of the auxiliary stay bar (730) far away from the sliding ring (710) is provided with a screw rod (740) in a penetrating mode, and the screw rod (740) is in threaded connection with the auxiliary stay bar (730).

6. The cast-in-place box girder formwork placing bent according to claim 4, wherein: two diagonal brace bars (500) are all provided with multiunit auxiliary stay subassembly (700) on one side that keeps away from each other, are close to diagonal brace bar (500) auxiliary stay subassembly (700) are used for diagonal brace bar (500) support, keep away from auxiliary stay subassembly (700) of diagonal brace bar (500) are used for supporting the template flank.

7. A cast-in-place box girder formwork placing bent according to claim 1, wherein: each supporting rod (400) is detachably connected with the corresponding supporting rod (300), a clamping buckle (800) is fixedly connected to the supporting rod (300), a plugging rod (810) is arranged on the side wall of the clamping buckle (800) in a penetrating mode, the plugging rod (810) is slidably connected with the clamping buckle (800), a spring (820) is arranged between the plugging rod (810) and the clamping buckle (800), each supporting rod (400) is provided with a plugging hole (830), and the spring (820) is used for pulling the plugging rod (810) to be inserted into the supporting rod (400) to be provided with the plugging holes (830).

8. A cast-in-place box girder formwork placing bent according to claim 1, wherein: the support piece (200) further comprises a plurality of connecting rods (900), each supporting rod (400) is provided with a connecting hole (910) matched with the connecting rod (900), each supporting rod (400) is connected with a second abutting bolt (920) in a threaded mode, and the second abutting bolts (920) are used for being inserted into the connecting rods (900) in the connecting holes (910) to abut against.

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