阅读说明：本技术 一种柔性片体构件翻身方法 (Flexible sheet member turning-over method ) 是由 鄢云祥 陈望民 代钥 伍鲲鹏 邓静 王兰 于 2020-05-25 设计创作，主要内容包括：本发明涉及一种柔性片体构件翻身方法。该翻身方法包括：提供吊耳、包括可在地面滚动的滚体的滚翻托枕、以及柔性片体构件,将至少两个吊耳安装在柔性片体构件的第一侧,将至少两个滚翻托枕安装在柔性片体构件的第二侧；操作吊耳,使吊耳在向上升起的同时向前方移动,带动柔性片体构件绕滚翻托枕的滚轮翻转；待柔性片体构件提至与地面呈垂直状态时,翻身作业暂停；操作吊耳,使吊耳在继续向前移动的同时下放,带动柔性片体构件绕滚翻托枕的滚体翻转,直至柔性片体构件的第一侧着地,完成柔性片体构件的翻身作业。本发明可对构件进行保护,避免了构件与地面接触造成的损失或变形,且使柔性片体构件的翻身过程简便,快捷,具有很好的实用价值。(The invention relates to a turning method of a flexible sheet member. The turning-over method comprises the following steps: providing lifting lugs, a roll-over supporting pillow comprising a rolling body capable of rolling on the ground and a flexible sheet member, wherein at least two lifting lugs are arranged on a first side of the flexible sheet member, and at least two roll-over supporting pillows are arranged on a second side of the flexible sheet member; operating the lifting lug to enable the lifting lug to move forwards while rising upwards so as to drive the flexible sheet member to turn around the roller of the rolling support pillow; when the flexible sheet member is lifted to be vertical to the ground, the turning-over operation is suspended; and operating the lifting lug to enable the lifting lug to be lowered while continuing to move forwards, and driving the flexible sheet member to turn over around the rolling body of the rolling turning support pillow until the first side of the flexible sheet member lands on the ground, so that the turning operation of the flexible sheet member is completed. The invention can protect the member, avoid the loss or deformation caused by the contact between the member and the ground, and ensure that the turning process of the flexible sheet member is simple, convenient and quick, thereby having good practical value.)

1. A method of turning over a flexible sheet member, the method comprising:

providing a lifting lug and a rolling supporting pillow, wherein the rolling supporting pillow comprises a rolling body capable of rolling on the ground;

providing a flexible blade member having opposing first and second sides;

mounting at least two lifting lugs on a first side of the flexible blade member and at least two roll-over bolsters on a second side of the flexible blade member;

operating the lifting lug to enable the lifting lug to move forwards while rising upwards so as to drive the flexible sheet member to turn over around the roller of the roll-over support pillow;

when the flexible sheet member is lifted to be vertical to the ground, the turning-over operation is suspended;

and operating the lifting lug to enable the lifting lug to be lowered while continuing to move forwards, and driving the flexible sheet member to overturn around the rolling body of the rolling support pillow until the first side of the flexible sheet member lands on the ground, so that the turnover operation of the flexible sheet member is completed.

2. A method of turning over a flexible blade member as claimed in claim 1 wherein said flexible blade member comprises a panel structure and a plurality of cross-members fixedly attached in a transverse direction to said panel structure body.

3. A method of turning over a flexible blade member as claimed in claim 2 wherein said panel structure comprises a plurality of panel units connected in series longitudinally and a plurality of said cross-members are fixedly disposed in transverse direction on a plurality of said panel units connected in series.

4. A method of turning over a flexible sheet member as claimed in claim 3, wherein each of said panel units comprises a top plate and a plurality of longitudinal ribs provided in series longitudinally on said top plate;

every the crossbeam all includes apron and web, the web is connected perpendicularly on the apron, be provided with on the web a plurality ofly with the breach that corresponds is matchd in the middle part of indulging the rib, the middle part welding of indulging the rib corresponds in the breach on the web of crossbeam.

5. The turning over method of a flexible sheet member as claimed in claim 4, wherein said lifting lug is connected to one lateral end of said panel structure by a first connecting member, said first connecting member comprising a first connecting plate and two first clamping plates, said lifting lug being fixedly disposed on one side of said first connecting plate, said two first clamping plates being fixedly disposed on the other side of said first connecting plate, said two first clamping plates fixedly clamping an end portion of a first side of a web of one of said cross beams of said panel structure.

6. The method of turning over a flexible sheet member of claim 4 wherein the rollers of said roll bolster are semi-circular.

7. The method of turning over a flexible blade member of claim 6, wherein said roll-over bolster further comprises a second connecting member, said second connecting member comprising a second connecting plate fixedly disposed on an inner wall of said roller body and two second clamping plates relatively fixedly disposed on a side of said second connecting plate facing away from said roller body, said two second clamping plates fixedly clamping an end of a second side of a web of one of said cross beams of said panel structure.

8. The turning-over method of the flexible sheet member as claimed in claim 7, wherein the roll-over bolster further comprises a plurality of stiffening plates, one end of each of the plurality of stiffening plates is fixedly connected to the middle of the side surface of the second connecting plate facing the roller, the other ends of the plurality of stiffening plates are radially arranged, and the other ends of the plurality of stiffening plates are fixedly connected to the inner wall of the roller.

9. The method of turning over a flexible blade member of claim 4 wherein said longitudinal ribs are U-shaped.

10. The turning over method of a flexible sheet member as claimed in claim 4, wherein a plurality of vertical ribs are sequentially provided at intervals on both side surfaces of the web of each cross beam.

Technical Field

The invention belongs to the technical field of bridge engineering, and particularly relates to a turning method of a flexible sheet member.

Background

In the process of manufacturing the steel structure bridge, various structural (part) components and the like are often turned over due to the requirements of manufacturing procedures and production organizations, and a mature process or method is provided for turning over the conventional structures, such as box-shaped structures, I-shaped structures and the like or the components with stronger rigidity. However, because of the various structural forms of the steel bridge, the number of special-shaped components is large, and especially the large-scale overweight flexible sheet body structure has heavier weight and weaker rigidity, when the components turn over, the structure is easy to deform or damage if no effective measures are taken.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a turning method of a flexible sheet member, which aims to solve the technical problem that the structure is easy to deform or damage when the member is turned in the prior art.

The invention realizes the purpose through the following technical scheme:

a method of turning over a flexible blade member, the method comprising:

providing a lifting lug and a rolling supporting pillow, wherein the rolling supporting pillow comprises a rolling body capable of rolling on the ground;

providing a flexible blade member having opposing first and second sides;

mounting at least two lifting lugs on a first side of the flexible blade member and at least two roll-over bolsters on a second side of the flexible blade member;

operating the lifting lug to enable the lifting lug to move forwards while rising upwards so as to drive the flexible sheet member to turn over around the roller of the roll-over support pillow;

when the flexible sheet member is lifted to be vertical to the ground, the turning-over operation is suspended;

and operating the lifting lug to enable the lifting lug to be lowered while continuing to move forwards, and driving the flexible sheet member to overturn around the rolling body of the rolling support pillow until the first side of the flexible sheet member lands on the ground, so that the turnover operation of the flexible sheet member is completed.

Further, the flexible sheet member includes a panel structure and a plurality of beams, and the plurality of beams are fixedly connected to the panel structure body along a transverse direction.

Furthermore, the panel structure comprises a plurality of panel units which are sequentially connected along the longitudinal direction, and the plurality of cross beams are fixedly arranged on the plurality of panel units which are sequentially connected along the transverse direction.

Furthermore, each panel unit comprises a top plate and a plurality of longitudinal ribs, wherein the longitudinal ribs are sequentially arranged on the top plate along the longitudinal direction;

every the crossbeam all includes apron and web, the web is connected perpendicularly on the apron, be provided with on the web a plurality ofly with the breach that corresponds is matchd in the middle part of indulging the rib, the middle part welding of indulging the rib corresponds in the breach on the web of crossbeam.

Furthermore, the lifting lug is connected to one transverse end of the panel structure through a first connecting piece, the first connecting piece comprises a first connecting plate and two first clamping plates, the lifting lug is fixedly arranged on one side of the first connecting plate, the two first clamping plates are relatively fixedly arranged on the other side of the first connecting plate, and the two first clamping plates fixedly clamp the end part of the first side of the web plate of one cross beam of the panel structure.

Preferably, the rolling body of the roll-over support pillow is in a semicircular ring shape.

Further, the roll over and hold in palm pillow still includes the second connecting piece, the second connecting piece includes second connecting plate and two second grip blocks, the second connecting plate is fixed to be set up on the inner wall of the roll body, two the second grip block is fixed relatively to be set up the second connecting plate dorsad on the side of the roll body, two the fixed centre gripping of second grip block the tip of the second side of the web of one of them crossbeam of panel structure.

Furthermore, the roll-over supporting pillow further comprises a plurality of stiffening plates, one ends of the stiffening plates are fixedly connected to the middle of the side face, facing the rolling body, of the second connecting plate, the other ends of the stiffening plates are arranged in a radial mode, and the other ends of the stiffening plates are fixedly connected to the inner wall of the rolling body.

Further, the longitudinal ribs are U-shaped.

Furthermore, two side surfaces of the web plate of each cross beam are sequentially provided with a plurality of vertical ribs at intervals.

The invention has the beneficial effects that:

the invention discloses a turning-over method of a flexible sheet member, which is characterized in that in the whole turning-over operation, the flexible sheet member is turned over around a roller of a rolling and turning-over support pillow by operating a lifting lug, so that the flexible sheet member can be prevented from being directly contacted with the ground to protect the member, the loss or deformation caused by the contact of the member and the ground is avoided, and the roller of the rolling and turning-over support pillow is matched with the ground in a rolling manner, so that the turning-over process of the flexible sheet member is simple, convenient and rapid, and has good practical value.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a flexible blade member according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the panel structure of FIG. 1;

FIG. 3 is a schematic structural view of the beam of FIG. 1;

FIG. 4 is a schematic view of the connection of the beam and panel unit of FIG. 1;

FIG. 5 is a schematic view of the mounting of the lifting lugs and roll-over bolsters to the flexible blade members as required by an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of the lifting lug in FIG. 5

FIG. 7 is a schematic view of the roll-over bolster of FIG. 5;

fig. 8 is a schematic flow chart of a method of turning over a flexible sheet member in accordance with an embodiment of the present invention;

fig. 9 is a schematic structural view of the lifting lug moving forward while rising upward to drive the flexible sheet member to turn around the roller of the rolling support pillow;

FIG. 10 is a schematic view of the flexible blade member being raised to a position perpendicular to the ground;

fig. 11 is a schematic structural view for completing the turning operation of the flexible blade member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a certain steel structure bridge, a bridge deck is designed into an orthotropic steel bridge deck, the overall size of the whole bridge deck is 18m long, 26.1m wide and 2.024m high, the structure comprises a 16mm thick bridge deck, 8mm thick longitudinal ribs are stiffened (the distance is 600mm), 2.024m high cross beams are stiffened at the distance of 2.2m, the weight is about 170t, the member belongs to a typical large-scale overweight flexible sheet structure, during turning over, lifting lugs are required to be arranged at proper positions, on the other hand, the structural strength of the member and the lifting capacity are required to be considered, and the turning over mode is ground rolling over, so that a turning over method which has high structural strength, is simple and practical, can protect the member from being damaged or deformed and can be repeatedly utilized is required to be developed.

Fig. 1 is a schematic structural view of a flexible sheet member according to an embodiment of the present invention, and referring to fig. 1, the flexible sheet member includes a panel structure and a plurality of cross beams 2, and the plurality of cross beams 2 are fixedly connected to a body of the panel structure along a transverse direction.

Fig. 2 is a schematic structural diagram of the panel unit in fig. 1, and in combination with fig. 1 and fig. 2, in the embodiment of the present invention, each panel unit 1 includes a top plate 1.1 and a longitudinal rib 1.2, the longitudinal rib 1.2 is provided in plurality, and the plurality of longitudinal ribs 1.2 are sequentially provided on the top plate 1.2 along the longitudinal direction.

In the embodiment of the present invention, the longitudinal rib 1.2 may be U-shaped, and may be fixedly connected to the corresponding panel unit 1 by welding.

Fig. 3 is a schematic structural view of the beam of fig. 1, and fig. 4 is a schematic connection view of the beam and the panel unit of fig. 1. With reference to fig. 1 to 4, in the embodiment of the present invention, each cross beam 2 includes a cover plate 2.1 and a web 2.2, the web 2.2 is vertically connected to the cover plate 2.1, the web 2.2 is provided with a plurality of notches 2.3 corresponding to the middle portions of the longitudinal ribs 1.2, and the middle portions of the longitudinal ribs 1.2 are welded in the notches 2.3 on the web 2.2 of the corresponding cross beam.

Further, referring to fig. 3, in the embodiment of the present invention, two side surfaces of the web 2.2 of each cross beam 2 are sequentially provided with a plurality of vertical ribs 2.4 at intervals to reinforce the structure.

Aiming at the flexible sheet member with the structure, the embodiment of the invention designs a turning method of the flexible sheet member, and the turning method needs lifting lugs 3 and roll-over supporting pillows 4.

Fig. 5 is an assembly schematic diagram of a lifting lug and a roll-over support pillow on a flexible sheet member, which are required by the embodiment of the invention, fig. 6 is a structural schematic diagram of the lifting lug in fig. 5, and with reference to fig. 5 and fig. 6, the lifting lug 3 of the embodiment of the invention is connected to one transverse end of a panel structure through a first connecting piece 5, the first connecting piece 5 comprises a first connecting plate 5.1 and two first clamping plates 5.2, the lifting lug 3 is fixedly arranged on one side of the first connecting plate 5, the two first clamping plates 5.2 are relatively fixedly arranged on the other side of the first connecting plate 5.1, and the two first clamping plates 5.2 are fixedly clamped on the end portion of the first side of the web 2.1 of one cross beam 2 of the panel structure.

In the embodiment of the invention, the lifting lug 3 can be welded on the first connecting piece 5, the first connecting plate 5.1 and the two first clamping plates 5.2 can be integrally formed, and the two first clamping plates 5.2 can fixedly clamp the end part of the first side of the web 2.1 of one cross beam 2 of the panel structure in a bolt manner, so that the lifting lug 3 and the cross beam 2 can be detachably assembled and can be used in a circulating manner.

Fig. 7 is a schematic structural diagram of the roll bolster in fig. 5, and with reference to fig. 5 and 7, the roll bolster 4 according to the embodiment of the present invention includes a roll body 4.1 and a second connecting member, where the roll body 4.1 is in a semicircular ring shape, the second connecting member includes a second connecting plate 4.2 and two second clamping plates 4.3, the second connecting plate 4.2 is fixedly disposed on an inner wall of the roll body 4.1, the two second clamping plates 4.3 are relatively fixedly disposed on a side of the second connecting plate 4.2 facing away from the roll body 4.1, and the two second clamping plates 4.3 fixedly clamp an end of a second side of a web of one of the beams 2 of the panel structure.

In the embodiment of the invention, the rolling body 4.1, the second connecting plate 4.2 and the two second clamping plates 4.3 can be integrally formed, and the two second clamping plates 4.3 can fixedly clamp the end part of the second side of the web 2.1 of one cross beam 2 of the panel structure in a bolt manner, so that the rolling bolster and the cross beam 2 can be detachably assembled and can be used in a circulating manner.

Further, with reference to fig. 7, in the embodiment of the present invention, the roll-over bolster 4 further includes a plurality of stiffening plates 4.4, one end of each of the plurality of stiffening plates 4.4 is fixedly connected to the middle of the side of the second connecting plate 4.2 facing the roller 4.1, the other ends of the plurality of stiffening plates 4.4 are radially disposed, and the other ends of the plurality of stiffening plates 4.4 are fixedly connected to the inner wall of the roller 4.1, so as to reinforce the structure of the roll-over bolster 4.

In the embodiment of the invention, the lifting lug 3 and the roll-over supporting pillow 4 are both connected with the beam 2, because the beam of the flexible sheet member is a reinforced structure, the structural strength is stronger than that in the longitudinal direction, and meanwhile, the beam can be better connected with the lifting lug 3 and the roll-over supporting pillow 4, so that the turn-over direction of the flexible sheet member is determined to be transverse turn-over.

Fig. 8 is a schematic flow chart of a turning method of a flexible sheet member according to an embodiment of the present invention, and in conjunction with fig. 8, the turning method includes:

s1: providing the lifting lug shown in figure 6 and the roll bolster shown in figure 7;

s2: providing a flexible blade member as shown in fig. 1, the flexible blade member having opposing first and second sides;

s3: mounting at least two lifting lugs on a first side of the flexible blade member and at least two rollover bolster on a second side of the flexible blade member, as shown in fig. 5;

s4: operating the lifting lug to enable the lifting lug to move forwards while rising upwards to drive the flexible sheet member to turn over around the roller of the rolling support pillow, as shown in fig. 9;

s5: when the flexible sheet member is lifted to be vertical to the ground, the turning-over operation is suspended, as shown in fig. 10;

s6: and operating the lifting lug to enable the lifting lug to be lowered while continuing to move forwards, and driving the flexible sheet member to overturn around the rolling body of the roll-over supporting pillow until the first side of the flexible sheet member lands on the ground, so that the roll-over operation of the flexible sheet member is completed, as shown in fig. 11.

In the embodiment of the invention, the lifting lug can be operated by the gantry crane, and in the whole operation process, the steel wire rope connected with the lifting lug and the gantry crane is always in a vertical state and is used as a construction reference standard.

The invention discloses a turning-over method of a flexible sheet member, which is characterized in that in the whole turning-over operation, the flexible sheet member is turned over around a roller of a rolling turning-over support pillow by operating a lifting lug, so that the flexible sheet member can be prevented from being directly contacted with the ground to protect the member, the loss or deformation caused by the contact of the member and the ground is avoided, and the roller of the rolling turning-over support pillow is matched with the ground in a rolling manner, so that the turning-over process of the flexible sheet member is simple, convenient and quick, and has good practical value.

The above-mentioned embodiments are only for convenience of description of the invention, and are not intended to limit the invention in any way, and those skilled in the art will recognize that the invention can be practiced without departing from the spirit and scope of the invention.