CN218090544U

CN218090544U - Large-scale bridge support that slides

Info

Publication number: CN218090544U
Application number: CN202222265570.6U
Authority: CN
Inventors: 房雄飞; 吴凯; 董立辉; 王泽岸; 高志军; 马艳梅; 毛佳名
Original assignee: China Construction Sixth Engineering Division Co Ltd; China State Construction Bridge Corp Ltd
Current assignee: China Construction Sixth Engineering Division Co Ltd; China State Construction Bridge Corp Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-20
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a bridge construction field specifically discloses a large-scale bridge support that slides, including a plurality of gimbal mechanism, gimbal mechanism includes by lower supreme pile foundation, steel column, first distribution roof beam, a plurality of enhancement support element, second distribution roof beam and the slide roof beam of fixed connection in proper order, still includes a plurality of laser emitter and a plurality of laser receiver, and a plurality of laser emitter can dismantle the connection in proper order along the horizontal axis of slide roof beam, and a plurality of laser receiver can dismantle the connection in proper order along the horizontal axis of slide roof beam, and laser emitter and laser receiver interval in proper order set up on the vertical lateral wall of slide roof beam; the top end of the slideway beam is fixedly provided with a sliding rail and a sliding block which slides on the sliding rail along the axial direction. This scheme laser emitter and laser receiver's cooperation, whether on the coplanar when two slide roof beams of real-time detection are installed, can adjust the high position of slide roof beam sooner for a plurality of slide roof beams are located same horizontal plane.

Description

Large-scale bridge support that slides

Technical Field

The utility model relates to a bridge construction technical field especially relates to a large-scale bridge support that slides.

Background

The large bridge is generally erected on rivers, lakes and seas, is convenient for vehicles and ships to pass, and is an important building for modern traffic development. In the process of building a large bridge, a supporting device is needed to support and install the sectional bridge body, so that adjacent bridge bodies can be connected and fastened conveniently.

When a conventional small bridge is supported by a supporting device, the supporting device is generally supported by a scaffold or can horizontally slide along the ground, so that the scaffold is convenient to disassemble and transfer to the installation position of the next section of the bridge, and the supporting device is convenient to horizontally move along the ground to support the bridge of the next section; if the support for supporting the bridge body is fixedly arranged, the support strength of the support for the bridge body can be improved, but when the support is installed, surveying and mapping instruments such as a level, a theodolite, a plummet and the like are adopted to measure the top ends of the plurality of supports after the support is fixedly installed, whether the top ends of the plurality of supports are kept on the same horizontal plane or not is judged, so that untimely measurement is easily caused, and the horizontal installation precision of the top ends of the plurality of supports on the same vertical plane is influenced; after the installation is accomplished, when there is the height error in the horizontal plane that a plurality of support tops were located too big, be difficult to highly adjusting a plurality of supports, can reduce the efficiency of construction to the bridge.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a large-scale bridge support that slides to it is difficult to in time adjustment to solve a plurality of support top department horizontal installation precision, leads to the accumulation of pontic construction error easily, reduces the problem of bridge efficiency of construction easily.

In order to achieve the above object, the basic scheme of the present invention is as follows: a large bridge sliding support comprises a plurality of support mechanisms, wherein each support mechanism comprises a pile foundation, a steel column, a first distribution beam, a plurality of reinforcing support units, a second distribution beam and a slide way beam which are sequentially and fixedly connected from bottom to top, and further comprises a plurality of laser transmitters and a plurality of laser receivers, the plurality of laser transmitters are sequentially detachably connected along the horizontal axis of the slide way beam, the plurality of laser receivers are sequentially detachably connected along the horizontal axis of the slide way beam, and the laser transmitters and the laser receivers are sequentially arranged on the vertical side wall of the slide way beam at intervals; the top end of the slideway beam is fixedly provided with a sliding rail and a sliding block which slides on the sliding rail along the axial direction.

The technical principle of the utility model is that: when a plurality of support mechanisms are installed, one support mechanism is installed according to a standard; during installation, the pile foundation, the steel column, the first distribution beam, the plurality of reinforcing support units, the second distribution beam and the slide way beam are fixedly connected from bottom to top in sequence, then a part of the laser transmitters and the laser receivers are installed on the side wall of the slide way beam, then the adjacent support mechanism is installed in the same way, the other part of the laser transmitters and the laser receivers are installed on the adjacent slide way beam, so that the laser transmitter on one slide way beam is opposite to the laser receiver on the other slide way beam, in the process, the installation position of the slide way beam in the other support mechanism can be finely adjusted by checking the superposition condition of the laser transmitted by the laser transmitters and the slide way beam on the other side, and in the adjustment process, the fine adjustment is carried out on the installation gaps among the slide way beam in the other support mechanism, the second distribution beam and the reinforcing support units; when the laser receiver on one of the slideway beams receives laser emitted by the laser generators on the two slideway beams, the top ends of the two adjacent support mechanisms are positioned on the same horizontal plane, and the mounting accuracy of the two support mechanisms is in place; then the slide rail and the slide block are installed on the slide way beam, and the installation accuracy of the slide rails and the slide blocks on the support mechanisms is synchronously improved.

Through the process, the installation of a plurality of support mechanisms can be completed in sequence, the cooperation of the laser transmitter and the laser receiver can enable the slide beams at the tops of the support mechanisms, the second distribution beams and the reinforcing supporting units to be installed, whether the two slide beams are on the same plane or not during installation can be detected in real time, the height positions of the slide beams can be adjusted more quickly, the slide beams are located on the same horizontal plane, the error accumulation in the construction process of the bridge body is reduced, and the construction precision and the construction efficiency of the bridge body are improved.

Furthermore, the slide way beam is made of H-shaped steel, the left side or the right side of the slide way beam is fixedly connected with the upper end face of the second distribution beam, and the laser transmitters and the laser receivers are located between the left side and the right side of the slide way beam.

Through the setting, after installing a plurality of laser emitter and a plurality of laser receiver on the slide roof beam, the lateral wall department of slide roof beam can provide the space for a plurality of laser emitter and a plurality of laser receiver's installation, and then lateral wall department can block and protect a plurality of laser emitter and a plurality of laser receiver about the slide roof beam.

Furthermore, the laser transmitters and the laser receivers are both positioned at the vertical center of the middle part of the slideway beam, and only one laser transmitter is arranged between every two adjacent laser receivers.

Through the arrangement, when the laser transmitter and the laser receivers are installed on the two slide beams, the laser transmitter and the laser receivers on the two slide beams are only needed to be arranged in a staggered mode, so that the laser transmitter and the laser receivers on the two slide beams can be opposite one to one, and all the laser receivers can confirm whether the two slide beams are located on the same horizontal plane, so that comprehensive levelness control and adjustment can be conducted in the axial direction of the slide beams conveniently.

Further, the pile foundation includes the brace table of level setting and the stake of a plurality of vertical settings, on the equal fixed mounting brace table's of a plurality of stakes lower surface, brace table's upper surface and steel column fixed connection, the cross section diameter more than or equal to 1m of stake.

When the pile foundation is installed, an installation groove for embedding the pile is dug on the ground, the pile is installed under the ground, the ground of the support table is abutted, and the support table and the pile can be stably installed on the ground; meanwhile, the diameter of the cross section of the pile is large, and the large-scale bridge can be supported.

Further, the steel column includes a plurality of vertical coaxial fixed connection's in proper order steel pipe and a plurality of bracing piece that the slope set up, steel pipe upper end and the first distribution roof beam fixed connection of top department, the steel pipe lower extreme of bottom and the last fixed surface of a supporting bench are connected, bracing piece fixed mounting is in the steel pipe, a plurality of bracing pieces follow the axis of steel pipe from supreme setting gradually down and a plurality of bracing pieces end to end.

Through the setting, the steel column can stably support the slide beam, the second distribution beam, the reinforcing support unit and the first distribution beam, and meanwhile, after a plurality of support rods in the steel column are installed, a triangular arrangement is formed between the plurality of support rods and the inner wall of the steel pipe, so that the steel column can be changed to be reinforced, and the support strength of the steel pipe is improved.

Further, strengthen the support element and include reinforcing frame, a plurality of reinforcement web members and bailey piece, on the lateral wall of bailey piece fixed mounting reinforcing frame, reinforcement web member slope, vertical or horizontal fixed mounting are in the reinforcing frame, and the upside and the second distribution roof beam fixed connection of reinforcing frame, the downside and the first distribution roof beam fixed connection of reinforcing frame.

Through the arrangement, the reinforcing frame can support the second distribution beam and the first distribution beam, and meanwhile, the reinforcing web members and the Bailey pieces can support the reinforcing frame from the horizontal direction, the vertical direction and the inclined direction; simultaneously, the reinforcing frame, the second distribution beam and the first distribution beam can be matched with each other to disperse pressure, so that the slideway beam and the sliding rail are more stably supported.

The connecting unit comprises a plurality of horizontally arranged first connecting rods and a plurality of obliquely arranged second connecting rods, two ends of each first connecting rod respectively penetrate through the two steel pipes and are positioned in the steel pipes, and two ends of each first connecting rod are fixedly connected with the steel pipes; the second connecting rod is positioned outside the steel pipe, one end of the second connecting rod is fixedly connected with the joint of one of the first connecting rods and the steel pipe, and the other end of the second connecting rod is fixedly connected with the side wall of the adjacent first connecting rod.

Through the arrangement, the first connecting rods in the connecting units can be deeply connected into the steel pipes to reinforce the two steel pipes in the two adjacent support mechanisms; simultaneously, after the second connecting rod, the first connecting rod and the steel pipe are matched, the second connecting rod, the first connecting rod and the outer wall of the steel pipe are arranged in a triangular mode, and the connection stability between the two steel pipes is further improved.

Drawings

Fig. 1 is the embodiment of the utility model provides an in the embodiment of a large-scale bridge slide bracket installation back main view direction's schematic structure view.

Fig. 2 is a schematic structural view of a single support mechanism in fig. 1.

Fig. 3 is a left side view of the right side stand mechanism of fig. 2.

In the above drawings: support table 10, pile 101, steel pipe 20, support rod 202, reinforcing frame 30, reinforcing web 301, beret sheet 302, first connecting rod 401, second connecting rod 402, support pile 403, connecting table 404, support column 405, slide beam 60, laser emitter 601, laser receiver 602, first distribution beam 701, second distribution beam 702, slide rail 801, and slider 802.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

The embodiment of the present invention is basically as shown in fig. 1, fig. 2 and fig. 3, and an embodiment of the present invention provides a large bridge sliding support, which includes two support mechanisms and a connecting unit for connecting adjacent support mechanisms, and two support mechanisms are relatively disposed on a single vertical longitudinal section of a bridge body; the support mechanism comprises a pile foundation, a steel column, a first distribution beam 701, a plurality of reinforcing support units, a second distribution beam 702 and a slide beam 60 which are welded in sequence from bottom to top, the pile foundation comprises a support table 10 and two vertically arranged piles 101, the pile foundations are horizontally arranged, the plurality of piles 101 are fixedly arranged on the lower surface of the support table 10, the upper surface of the support table 10 is welded with the steel column, the diameter of the cross section of each pile 101 is equal to 1.2m, and the width of the support table 10 is 3.6m.

As shown in fig. 2, the steel column includes a plurality of steel pipes 20 sequentially vertically and coaxially fixedly connected and a plurality of support rods 202 obliquely arranged, the diameter of each steel pipe 20 is 4.5m, the length of each steel pipe 20 is 10m, the upper end of each steel pipe 20 at the top end is welded to the lower surface of the first distribution beam 701, the lower end of each steel pipe 20 at the bottom end is welded to the upper surface of the support table 10, the support rods 202 are welded in the steel pipes 20, the support rods 202 are sequentially arranged from bottom to top along the axis of each steel pipe 20 and are connected end to end with the support rods 202, and the acute angle between the axis of each support rod 202 and the horizontal plane is 80-90 °.

As shown in fig. 2 and 3, the reinforcing and supporting unit includes a reinforcing frame 30, a plurality of reinforcing web members 301 and bery sheets 302, the reinforcing frame 30 is in a square frame shape, the thickness of the reinforcing frame 30 is 1.3m, the bery sheets 302 are welded to four vertical side walls of the reinforcing frame 30, a part of the reinforcing web members 301 are welded in the reinforcing frame 30 in an inclined manner, the other part of the reinforcing web members 301 are welded in the reinforcing frame 30 in a vertical manner, the last part of the reinforcing web members 301 are welded in the reinforcing frame 30 in a horizontal manner, the plurality of reinforcing web members 301 are spliced in a shape of a Chinese character mi, the upper side of the reinforcing frame 30 is welded to the lower surface of the second distribution beam 702, and the lower side of the reinforcing frame 30 is welded to the upper surface of the first distribution beam 701.

As shown in fig. 1, the connection unit includes a plurality of horizontally arranged first connection rods 401, a plurality of obliquely arranged second connection rods 402, a support pile 403, a connection platform 404 and a support column 405, the support pile 403 is vertically fixed on the lower surface of the connection platform 404, the support pile 403 and the pile 101 have the same specification, the width of the connection platform 404 is less than or equal to the width of the support platform 10, the support column 405 is vertically and fixedly installed on the connection platform 404, and the support pile 403, the connection platform 404 and the support column 405 are all located between two support mechanisms; one end of a first connecting rod 401 penetrates through the supporting column 405 and the right steel pipe 20 and then is welded with the right steel pipe 20, the left end of the first connecting rod 401 penetrates through the left steel pipe 20 and then is welded with the left steel pipe 20, the joint of the first connecting rod 401 and the steel pipe 20 is in the same point with the joint of the end parts of the two supporting rods 202, and the first connecting rods 401 are uniformly arranged along the vertical axis of the steel pipe 20; the second connecting rod 402 is positioned outside the steel tube 20, one end of the second connecting rod 402 is welded with the joint of one of the first connecting rods 401 and the steel tube 20, and the other end of the second connecting rod 402 is welded with the joint of the adjacent first connecting rod 401 and the supporting column 405.

As shown in fig. 1 and 3, the chute beam 60 is made of "H" shaped steel, the right side of the chute beam 60 is welded to the upper end surface of the second distribution beam 702, and a slide rail 801 and a slide block 802 sliding on the slide rail 801 are fixedly arranged on the top end of the chute beam 60 along the axial direction; the slideway beam 60 is provided with a plurality of laser transmitters 601 and a plurality of laser receivers 602, the type of the laser transmitters 601 is "UTI K", the type of the laser receivers 602 is "mideke", the laser transmitters 601 are sequentially glued along the horizontal axis of the slideway beam 60, the laser receivers 602 are sequentially glued along the horizontal axis of the slideway beam 60, and the laser transmitters 601 and the laser receivers 602 are all positioned between the left side and the right side of the slideway beam 60; the laser transmitters 601 and the laser receivers 602 are located at the vertical center of the middle part of the slideway beam 60, and there is only one laser transmitter 601 between two adjacent laser receivers 602.

In addition, the welding positions in the embodiment are all connected by welding seams, the welding seams are fully welded, and the height of the welding materials at the welding seams is not less than 8mm.

When the large-scale bridge sliding support in the embodiment is installed, firstly, according to the installation position of the support mechanism, installing grooves for embedding the pile 101 and the supporting pile 403 are dug on the ground, the pile 101 and the supporting pile 403 are installed under the ground, the supporting platform 10 abuts against the ground of the connecting platform 404, then, according to the supporting height of a bridge body, a proper number of steel pipes 20 and supporting columns 405 with proper length are selected, the steel pipes 20 are vertically and coaxially welded on the supporting platform 10 in sequence, the supporting pile 403 is vertically welded on the connecting platform 404, and meanwhile, the first connecting rod 401 and the second connecting rod 402 are both welded between the steel pipes 20 and the supporting columns 405, so that the two support mechanisms are stably connected; then, the first distribution beam 701 is installed on the steel pipe 20, then the reinforcing support unit on the left bracket mechanism, the second distribution beam 702 and the chute beam 60 are installed on the first distribution beam 701 on the left side, then the laser transmitters 601 and the laser receivers 602 are glued to the horizontal middle part on the right side of the left side chute beam 60, and the upper side and the lower side of the left side chute beam 60 can block and protect the laser transmitters 601 and the laser receivers 602.

Then, the reinforcing support unit, the second distribution beam 702 and the slide way beam 60 on the right bracket mechanism are mounted on the first distribution beam 701 on the right side, meanwhile, a plurality of laser emitters 601 and a plurality of laser receivers 602 are glued to the horizontal middle part on the left side of the right slide way beam 60, the laser emitters 601 on the left slide way beam 60 and the laser emitters 601 on the right slide way beam 60 are arranged in a staggered mode, so that the laser emitters 601 and the laser receivers 602 are opposite to each other one by one, in the process, the mounting position of the right slide way beam 60 can be finely adjusted by checking the superposition condition of laser emitted by the laser emitters 601 and the horizontal middle part of the right slide way beam 60, and in the adjustment process, the mounting gaps among the right slide way beam 60, the second distribution beam 702 and the reinforcing support unit are finely adjusted, so that the right slide way beam 60 and the left slide way beam 60 are located on the same horizontal plane; when the laser receiver 602 on the right-side slideway beam 60 receives the laser emitted by the laser generator on the left-side slideway beam 60 and the laser receiver 602 on the left-side slideway beam 60 receives the laser emitted by the laser generator on the right-side slideway beam 60, it indicates that the right-side slideway beam 60 and the left-side slideway beam 60 are located on the same horizontal plane.

Then, the slide rails 801 are installed at the top ends of the slide rail beams 60, and through control of installation accuracy of the right side slide rail beam 60 and the left side slide rail beam 60, the slide rails 801 installed on the two support mechanisms also have corresponding installation accuracy, so that subsequent high-accuracy installation of a bridge body is facilitated, the accumulated amount of errors in the bridge body construction process can be reduced, and the bridge body construction quality is improved.

After the slide rail 801 and the slide block 802 are mounted, the laser emitter 601 and the laser receiver 602 on the right-side slide rail beam 60 and the left-side slide rail beam 60 are detached and mounted on the slide rail beams 60 in other support mechanisms for real-time detection and mounting.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A large bridge sliding support comprises a plurality of support mechanisms, wherein each support mechanism comprises a pile foundation, a steel column, a first distribution beam, a plurality of reinforcing support units, a second distribution beam and a slide way beam which are fixedly connected in sequence from bottom to top; the top end of the slideway beam is fixedly provided with a sliding rail and a sliding block which slides on the sliding rail along the axial direction.

2. The large bridge skidding support of claim 1 wherein the skid beams are H-shaped steel, the left or right sides of the skid beams are fixedly connected to the upper end surfaces of the second spreader beams, and the laser transmitters and the laser receivers are located between the left and right sides of the skid beams.

3. The large bridge sliding support according to claim 2, wherein the laser transmitters and the laser receivers are located at the vertical center of the middle part of the slideway beam, and there is only one laser transmitter between two adjacent laser receivers.

4. The large bridge sliding support according to claim 1, wherein the pile foundation comprises a horizontally arranged support platform and a plurality of vertically arranged piles, the piles are fixedly mounted on the lower surface of the support platform, the upper surface of the support platform is fixedly connected with the steel column, and the diameter of the cross section of each pile is greater than or equal to 1m.

5. The large bridge sliding support according to claim 1, wherein the steel column comprises a plurality of steel pipes which are sequentially, vertically, coaxially and fixedly connected and a plurality of support rods which are obliquely arranged, the upper end of the steel pipe at the top end is fixedly connected with the first distribution beam, the lower end of the steel pipe at the bottom end is fixedly connected with the upper surface of the support platform, the support rods are fixedly arranged in the steel pipes, the plurality of support rods are sequentially arranged from bottom to top along the axis of the steel pipe, and the plurality of support rods are connected end to end.

6. The large bridge sliding support according to claim 1, wherein the reinforcing support unit comprises a reinforcing frame, a plurality of reinforcing web members and a bery plate, the bery plate is fixedly installed on the side wall of the reinforcing frame, the reinforcing web members are fixedly installed in the reinforcing frame in an inclined, vertical or horizontal manner, the upper side of the reinforcing frame is fixedly connected with the second distribution beam, and the lower side of the reinforcing frame is fixedly connected with the first distribution beam.

7. The large bridge sliding support according to any one of claims 1 to 6, further comprising a connecting unit for connecting adjacent support mechanisms, wherein the connecting unit comprises a plurality of horizontally arranged first connecting rods and a plurality of obliquely arranged second connecting rods, two ends of each first connecting rod respectively penetrate through two steel pipes and are positioned in the steel pipes, and two ends of each first connecting rod are fixedly connected with the steel pipes; the second connecting rod is positioned outside the steel pipe, one end of the second connecting rod is fixedly connected with the joint of one of the first connecting rods and the steel pipe, and the other end of the second connecting rod is fixedly connected with the side wall of the adjacent first connecting rod.