CN214005428U

CN214005428U - Anti-tilting support for precast beam

Info

Publication number: CN214005428U
Application number: CN202022500800.3U
Authority: CN
Inventors: 徐建雄; 董辉; 刘全峰; 林彬; 陈玉良; 聂启波; 商小平; 朱君伟; 兰冰; 黄健柏
Original assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-20
Anticipated expiration: 2030-11-02

Abstract

The utility model relates to a support is prevented inclining by precast beam, include: the device comprises a mobile platform, turnable supporting frames arranged on the longitudinal side edges of the mobile platform in pairs, and a connecting seat for connecting the supporting frames and the mobile platform, wherein one end of each supporting frame is connected with the connecting seat, and the other end of each supporting frame is connected with a screw type jacking device for abutting against a prefabricated beam web. The support frame sets up in moving platform lengthwise lateral margin in pairs, sets up in the precast beam both sides promptly, through the tight precast beam web in top of the tight device in top, the connecting seat is fixed the support frame steadily on moving platform, and then guarantees that the precast beam has better stability at the removal in-process, prevents inclining the support based on crossbeam, stand and the tight device in top form frame construction for the whole of this application prevents inclining the supporting structure comparatively simply, and then is convenient for make the installation.

Description

Anti-tilting support for precast beam

Technical Field

The utility model relates to a building technical field, concretely relates to support is prevented inclining by precast beam.

Background

In the bridge building construction process, in order to improve the construction efficiency of the bridge, the construction of bridge beam sections is simultaneously carried out in the bridge foundation construction process, so that the construction efficiency of the bridge is improved, and the construction period of the bridge is shortened. The prefabricated box girder can meet the condition of synchronous construction with a bridge substructure, further shortens the construction period of the bridge, can be produced in an industrial mode, is easy to control compared with the quality of a cast-in-place box girder, and is more and more widely applied to bridge construction.

Currently, precast box girders are mainly completed through precast beam yards. The precast beam needs to be transferred according to the manufacturing steps of the precast beam and the requirements of the steps, because the precast beam is longer, the top is wide and the bottom is narrow, the stability is poor in the moving process, the precast beam is easy to overturn, accidents are easy to cause, the construction progress can be prolonged, and construction materials are damaged or wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, particularly the problems of longer precast beam and poorer stability in the moving process, the following technical scheme is proposed:

the utility model provides a support is prevented inclining by precast beam includes: the device comprises a mobile platform, turnable supporting frames arranged on the longitudinal side edges of the mobile platform in pairs, and a connecting seat for connecting the supporting frames and the mobile platform, wherein one end of each supporting frame is connected with the connecting seat, and the other end of each supporting frame is connected with a screw type jacking device for abutting against a prefabricated beam web.

Optionally, the support frame includes a cross beam horizontally disposed on the connecting seat, and a first upright and a second upright which are connected to the cross beam and extend upward, a top end of the second upright is bolted to a screw end of the tightening device, and a top end of the first upright abuts against a free end of the tightening device.

Optionally, the jacking device comprises a first inclined strut, and a jacking mechanism connected with the first inclined strut, wherein the screw end of the first inclined strut is bolted with the top end of the second upright post.

Optionally, the first upright column and the second upright column are vertically connected with the cross beam, and two second inclined struts are further arranged between the first upright column and the second upright column.

Optionally, the two second inclined struts are splayed, the two second inclined struts are arranged at a position, far away from one end of the first upright post, and the two second inclined struts are arranged at a position, close to one end of the second upright post.

Optionally, the top end of the first upright is inclined toward a second upright, and the second upright is perpendicular to the cross beam.

Optionally, two connecting seats are arranged below the cross beam of one supporting frame, and the two connecting seats are arranged at two ends of the cross beam.

Optionally, one end of the cross beam is connected to the second column, the other end of the cross beam extends out of the first column, the cross beam includes a first end close to the precast beam and a second end far away from the precast beam, and a projection of the connecting seat connected to the first end on the horizontal plane is overlapped with a projection of the first column on the horizontal plane.

Optionally, the jacking mechanism includes a jacking plate for jacking the precast beam, and a screw connected to the first diagonal brace.

Optionally, a rubber pad is arranged on the tightening surface of the tightening plate.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model provides a precast beam prevents support that inclines, the roll-over support frame sets up in moving platform lengthwise lateral margin in pairs, sets up in the precast beam both sides promptly, through the tight precast beam web in top of top device, and the connecting seat is fixed roll-over support frame steadily on moving platform, and then guarantees that the precast beam has better stability at the removal in-process, and the support that prevents inclining that this application embodiment provided simultaneously, simple structure is convenient for make the installation.

The utility model provides a support is prevented inclining by precast beam based on first bracing formation frame construction on crossbeam, stand and the tight device in top for the whole support structure of preventing inclining of this application is comparatively simple, easily makes the installation. The second bracing has guaranteed whole support frame structure's stability, and when first stand received great power, the second bracing provides bigger holding power for first stand on the basis of second stand simultaneously. When the first stand supports the first inclined strut obliquely to the second stand, the whole structure is simplified and the manufacturing cost of the anti-tilting support is saved when the stability of the structure is ensured.

The utility model provides a precast beam anti-tilt support, the first bracing among the tight device in top guarantees to push up to lean on the laminating between tight mechanism and the precast beam web, and the angle of guaranteeing to push up tight device is suitable, is convenient for laminate on the precast beam web. First bracing screw end is connected on second stand top, and first bracing free end supports and leans on the second stand, and first bracing can upwards overturn along the screw end for the precast beam is before placing moving platform or the precast beam shifts out the in-process from moving platform, can guarantee to prevent that the support of inclining can not disturb the removal of precast beam, has sufficient space to remove precast beam, also can guarantee simultaneously to prevent that the support of inclining can not appear damaging.

The utility model provides a support is prevented inclining by precast beam, the projection of the connecting seat that the first end of crossbeam is connected on the horizontal plane overlaps with the projection part that first stand went upward on the horizontal plane, has avoided the carriage atress too concentrated on moving platform, can also provide vertical ascending holding power for first stand simultaneously, and then guarantees the security of the supporting structure is prevented inclining by whole precast beam, removes the in-process at precast beam, is difficult for taking place the damage.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a precast beam anti-tilt bracket arranged on two sides of a precast beam according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a precast beam anti-tilt bracket according to a second embodiment of the present invention, the anti-tilt bracket being disposed on both sides of a precast beam;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, but do not preclude the presence or addition of one or more other features, integers, steps, operations, and/or groups thereof.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The utility model provides a support is prevented inclining by precast beam, as shown in fig. 1 and fig. 2, moving platform 1, set up reversible support frame 3 on moving platform 1 lengthwise lateral margin in pairs, when the precast beam was supported to support frame 3 promptly, support frame 3 set up in pairs in 2 both sides of precast beam and can support on 2 webs 21 of precast beam, still including connecting support frame 3 and moving platform 1

's connecting seat

4, 3 one end of support frame is connected with connecting seat 4, the other end is connected with and is used for leaning on the tight device in screw top of precast beam web 21. In the embodiment that this application provided, moving platform has realized the removal to precast beam, because precast beam is longer, and the top is wide at the bottom narrowly, shifts the in-process at precast beam, and support frame 3 supports in pairs in 2 both sides of precast beam, has guaranteed that 2 both sides of precast beam can even atress, avoids precast beam 2 to take place to empty toward one side in the removal process.

The support frame can overturn, is convenient for precast beam to place on the moving platform, perhaps takes out from the moving platform. The screw type jacking device is convenient to mount and dismount. The precast beam web plate 21 is tightly jacked through the jacking device, so that the supporting force provided by the supporting frame 3 can be uniformly and smoothly transmitted to the precast beam in the moving process of the precast beam 2, and further accidents are not easy to cause. Connecting seat 4 can dismantle support frame 3 and connect (if bolt) on moving platform for precast beam 2 keeps unanimous at the speed that removes the in-process and moving platform, and then guarantees that precast beam has better stability at the removal in-process, and the anti-tilt support that this application embodiment provided simultaneously, simple structure is convenient for make the installation.

In one embodiment provided by the present application, as shown in fig. 1 and 2, the supporting frame 3 includes a cross beam 31 horizontally disposed on the connecting seat 4, two upright posts 32 connected to the cross beam 31 and extending upward, the upright posts 32 include a first upright post 321 and a second upright post 322, a top end of the second upright post 322 is bolted to the turning end of the tightening device, and a top end of the first upright post 321 abuts against a free end of the tightening device. The supporting frame based on the cross beam, the stand column and the jacking device forms a frame structure, so that the whole anti-tilting support structure is simple and easy to manufacture and install. The jacking device can be connected to the top end of the second upright column 322 in a turnover mode, so that the precast beam can be placed on the moving platform or the moving platform to move out conveniently, and meanwhile after the precast beam is placed on the moving platform, the jacking device is turned to the side where the precast beam is located from the second upright column 322, and the jacking surface of the jacking device can abut against the first inclined strut 6 on the precast beam web plate 21. The crossbeam 31 can hold back two stands 32 simultaneously, guarantees stand 32 stability for support frame 3 is difficult for taking place the slope when providing the holding power to precast beam, and further guarantees the stability of tight device in top, makes the tight device in top can last the tight precast beam in top.

In an embodiment provided by the present application, as shown in fig. 1 and fig. 2, two connecting seats 4 are disposed below the cross beam 31 of one supporting frame 3, the connecting seats 4 are welded or bolted on the moving platform 1, the two connecting seats 4 are disposed at two ends of the cross beam 31, so as to prevent the supporting frame from being excessively stressed on the moving platform, and meanwhile, two ends of the cross beam 31 are connected to the connecting seats 4, so as to ensure the stability of two sides of the anti-roll support, and increase the stability of the whole anti-roll support structure. Optionally, one end of the cross beam 31 is connected to the second upright 322, and the other end extends out of the first upright 321, the cross beam 31 includes a first end 311 close to the precast beam 2 and a second end far away from the precast beam, and a projection of the connecting seat 4 connected to the first end 311 on a horizontal plane overlaps with a projection of the first upright 321 going upward on the horizontal plane. First stand 321 overlaps with the projection part of connecting seat 4 on the horizontal plane, has avoided the support frame to apply for moving platform on the atress too concentrated, can also provide vertical ascending holding power for first stand simultaneously, and then guarantees the security that entire precast beam prevents inclining supporting structure, at precast beam removal in-process, is difficult for taking place to damage. In an embodiment provided by the present application, the cross beam 31, the upright column 32, and the first inclined strut 6 are formed by welding channel steel.

Alternatively, in the embodiment provided by the present application, as shown in fig. 1 and 2, the tightening device includes a first inclined strut 6, and a tightening mechanism 5 connected to the first inclined strut 6, a screw end of the first inclined strut 6 is bolted to a top end of the second upright column 322, and the first inclined strut 6 is turned upward along the screw end of the first inclined strut 6. In the process of placing the precast beam on the moving platform 1, the jacking device of the overturn-preventing support is not easy to be damaged. After the precast beam finishes the lateral shifting, the jacking device is overturned, so that the precast beam is convenient to take out, the bolting can ensure that the jacking device jacks the precast beam, and the precast beam can be fastened and connected to the top end of the second upright column 322 and is not easy to move. Simultaneously first bracing 6 is when the tight precast beam in top, is provided with the chucking structure of first stand 321 on the first bracing 6 to first stand 321 provides firm holding power to crossbeam 33, and is difficult for appearing rocking. Alternatively, the turning manner of the first inclined strut 6 may be any one of manual operation, hydraulic operation and motor driving.

Optionally, in the embodiments provided in this application, the clamping structure may be a steel plate welded on the first inclined strut, and the steel plate is tightly propped against one side of the first column close to the precast beam. Optionally, the first bracing can also be provided with a steel groove into which the end part of the first upright post can be embedded, and the side wall of the steel groove is attached to the side wall of the first upright post. Optionally, the first bracing may also be provided with a reinforcing bar fitted to the end of the first upright. In the embodiment that this application provided, when the crossbeam bolt was on the connecting seat, the installation of being convenient for has still guaranteed the stability of structure.

Example one

In one embodiment provided by the present application, as shown in fig. 1, the vertical column 32 includes a first vertical column 321 close to the precast beam 2 and a second vertical column 322 far from the precast beam, and two second diagonal braces 34 are further disposed between the first vertical column 321 and the second vertical column 322. Optionally, the two second inclined struts 34 are in a splayed shape, one ends of the two second inclined struts 34 disposed on the first upright post 321 are farther apart, and one ends of the two second inclined struts 34 disposed on the second upright post 322 are closer to each other. Splayed braces provide a restraining and support structure between first upright 321 and second upright 322 to enable first upright 321 and second upright 322 to support each other.

Example two

In an embodiment provided by the present application, as shown in fig. 2, the vertical columns 32 include a first vertical column 321 close to the precast beam 2 and a second vertical column 322 far away from the precast beam, a top end of the first vertical column 321 is disposed obliquely to the second vertical column, the second vertical column 322 is disposed perpendicular to the cross beam, the first vertical column 321 is disposed obliquely, so that the first vertical column 321 can eccentrically support the first inclined strut 6, when the support frame 3 supports the precast beam 2 and receives a pressure applied to the support frame by the precast beam 2, the first vertical column can hold down the first inclined strut 6 to apply an excessive force to the second vertical column 322 on the basis that the cross beam 31 is bolted to the connection base, thereby ensuring the stability of the whole support frame structure.

In the embodiment provided by the present application, as shown in fig. 3, the tightening mechanism 5 includes a tightening plate 51 for tightening the precast beam, and a first connecting rod 52 connected to the first inclined strut 6, where the first connecting rod 52 is a screw rod, and the supporting frame 3 is provided with a limiting device movably connected to the first connecting rod 52. Optionally, the device further comprises a bolt connecting the limiting device and the first connecting rod 52, the first connecting rod 52 is provided with at least one connecting hole 521 through which the bolt passes, and the limiting device is provided with a fixing hole through which the bolt passes and corresponds to the connecting hole 521. The position of the jacking plate 51 is conveniently adjusted through the pin connection, so that the jacking plate 51 can be adjusted to extend out of the length of the first inclined strut according to the size of the precast beam, and the jacking plate 51 is guaranteed to be tightly jacked with the surface of the precast beam web. Optionally, the limiting device comprises an anchoring structure 55 anchored on the first inclined strut 6, and a second connecting rod 54 bolted to the anchoring structure 55, and the second connecting rod is provided with a fixing hole, so as to ensure the stability of the tightening mechanism on the first inclined strut 6. Be provided with rubber pad 53 on the tight face in top of the tight precast beam in top of top board 51 top, avoid preventing inclining the web surface that the support supported the in-process and damage the precast beam, the stability in the support process is guaranteed with head rod 52 integrated into one piece on the tight board 51 in top.

To sum up, the utility model provides a support is prevented inclining by precast beam includes following beneficial effect:

the utility model provides a support frame is prevented inclining by precast beam, support frame set up in mobile platform lengthwise lateral margin in pairs, set up in precast beam both sides promptly, through the tight precast beam web in top of top device, but the connecting seat is fixed the support frame that can overturn steadily on mobile platform, and then guarantees that precast beam has better stability at the removal in-process, the support frame is prevented inclining that this application embodiment provided simultaneously, simple structure, the preparation installation of being convenient for.

The utility model provides a precast beam anti-tilt support, the first bracing among the tight device in top guarantees to push up to lean on the laminating between tight mechanism and the precast beam web, and the angle of guaranteeing to push up tight device is suitable, is convenient for laminate on the precast beam web. The screw rod end of first bracing is connected on second stand top, and first bracing free end supports and leans on the second stand, and first bracing can upwards overturn along the screw rod end for the precast beam is before placing moving platform or the precast beam shifts out the in-process from moving platform, can guarantee to prevent that the support of inclining can not disturb the removal of precast beam, has sufficient space to remove precast beam, also can guarantee simultaneously to prevent that the support of inclining can not appear damaging.

The above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An anti-tilt bracket for a precast beam, comprising: the device comprises a mobile platform, turnable supporting frames arranged on the longitudinal side edges of the mobile platform in pairs, and a connecting seat for connecting the supporting frames and the mobile platform, wherein one end of each supporting frame is connected with the connecting seat, and the other end of each supporting frame is connected with a screw type jacking device for abutting against a prefabricated beam web.

2. The anti-tilt bracket for precast beam according to claim 1, wherein the support frame comprises a cross beam horizontally disposed on the connecting seat, a first upright and a second upright connected to the cross beam and extending upward, a top end of the second upright is bolted to a screw end of the tightening device, and a top end of the first upright abuts against a free end of the tightening device.

3. The anti-tilt bracket for precast beam according to claim 2, wherein the tightening means comprises a first brace, and a tightening mechanism connected to the first brace, a screw end of the first brace being bolted to a top end of the second column.

4. The anti-tilt bracket for precast beam according to claim 2, wherein the first and second vertical pillars are vertically connected to the cross beam, and two second diagonal braces are further provided between the first and second vertical pillars.

5. The anti-tilt bracket for precast beam according to claim 4, wherein the two second braces are splayed, one end of the two second braces disposed on the first vertical pillar is farther apart, and one end of the two second braces disposed on the second vertical pillar is closer to each other.

6. The anti-tilt bracket for precast beam according to claim 2, wherein the top end of the first pillar is disposed to be inclined toward the second pillar, which is perpendicular to the cross member.

7. The anti-tilt bracket for precast beam according to claim 2, wherein two of the connection seats are provided under the cross beam of one of the support frames, and the two connection seats are provided at both ends of the cross beam.

8. The anti-tilt bracket for precast beam of claim 7, wherein the cross beam is connected to the second upright at one end and extends beyond the first upright at the other end, the cross beam comprises a first end close to the precast beam and a second end far away from the precast beam, and the projection of the connecting seat connected to the first end on the horizontal plane is partially overlapped with the projection of the first upright on the horizontal plane.

9. The anti-tilt bracket for precast beam of claim 3, wherein the tightening mechanism comprises a tightening plate for tightening the precast beam, and a screw connected to the first diagonal brace.

10. The anti-tilt bracket for precast beam according to claim 9, wherein a rubber pad is provided on the tightening surface of the tightening plate.