CN217579804U - Side-span platform and bridge girder erection machine - Google Patents

Abstract

The utility model provides a sidespan platform and bridging machine relates to bridge construction technical field, the sidespan platform includes platform body, support frame, flange subassembly, walking roof beam and peg subassembly, and on the support frame was located to the platform body, the support frame passed through the flange subassembly detachable and installs on walking the roof beam, walks to be equipped with the peg subassembly on walking the roof beam, walks to walk the roof beam and is suitable for and removes through the peg subassembly and set up on the bridging machine body. The utility model discloses a side striding platform, walk the roof beam through the drive of hanging wheel subassembly and walk to walk on the bridge girder erection machine body on the one hand and walk to move in order to drive the platform body, and install the whole along with the bridge girder erection machine body removal of side striding platform on the bridge girder erection machine body, realize the nimble adjustment to platform body position, reduce the number of times that side striding platform dismouting was changed in the work progress, the efficiency of construction is improved, on the other hand is because the support frame with walk to adopt detachable flange joint between the roof beam, even the local damage of taking place part easily can conveniently be changed at the in-process of construction, construction cost is reduced.

Description

Side-span platform and bridge girder erection machine

Technical Field

The utility model relates to a bridge construction technical field particularly, relates to a sidespan platform and bridging machine.

Background

After the bridge sections are pre-assembled, steel strands in the bridge sections need to be subjected to prestress tensioning or joints among the bridge sections are constructed, a construction platform is particularly difficult to build on bridges spanning buildings such as highways, railways and riverways, the existing construction platform usually adopts a mode of fixing hanging baskets on the bridge, the construction platform needs to be continuously disassembled and assembled along with the extension of the bridge sections, and therefore the bridge sections are extremely easy to damage, high in construction cost and low in construction efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sidespan platform to solve the technical problem that current construction platform needs frequent dismouting fragile, construction cost is high, the efficiency of construction is low.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the side span platform comprises a platform body, a support frame, a flange assembly, a walking beam and a hanging wheel assembly, wherein the platform body is arranged on the support frame, the support frame is detachably arranged on the walking beam through the flange assembly, the hanging wheel assembly is arranged on the walking beam, and the walking beam is suitable for being movably arranged on a bridge girder erection machine body through the hanging wheel assembly.

The utility model discloses a side platform, the platform body is used for the construction to walk capable, the platform body passes through the support frame to be installed on walking the roof beam, walk the roof beam and install on the bridge girder erection machine body, on the one hand walk the roof beam through the sprocket assembly drive on the bridge girder erection machine body walk capable drive the platform body and remove, and the side platform whole installed on the bridge girder erection machine body moves along with the removal of bridge girder erection machine body, realize the nimble adjustment to the platform body position, reduce the number of times that side platform dismouting was changed in the work progress, increase of service life, improve the efficiency of construction, can stride the construction operation on highway, river; on the other hand, as the support frame is connected with the walking beam by adopting the detachable flange, the support frame can be easily and conveniently replaced even if the parts of the hanging wheel assembly, the walking beam or the platform body and the like are damaged locally in the construction process, and the construction cost is reduced.

Optionally, the support frame includes connecting rod and first retaining member, the connecting rod sets up in pairs the both sides of platform body, the connecting rod is being close to one side interval of platform body is equipped with the lockhole, first retaining member pass the lockhole with platform body coupling.

Optionally, the support frame further comprises a cross-link, and the two connecting rods arranged in pairs are connected through the cross-link.

Optionally, the side span platform further comprises a reinforcing plate, the reinforcing plate is arranged along the circumferential direction of the connecting rod, and two ends of the reinforcing plate are connected with the connecting rod and the walking beam respectively.

Optionally, the flange assembly includes first flange, second flange and second retaining member, first flange with the second flange is located respectively walk the roof beam and on the connecting rod, first flange with the cooperation of second flange is installed, the second retaining member passes first flange reaches the second flange.

Optionally, the hanging wheel assembly comprises a hanging wheel and a connecting seat, the connecting seat is arranged on the walking beam, the hanging wheel is rotatably mounted on the connecting seat, and the driving motor is in driving connection with the hanging wheel.

Optionally, the connecting rod adopts a telescopic rod, and the telescopic rod is used for driving the platform body to lift along the vertical direction.

Optionally, the sidespan platform further comprises a suspension assembly, and the platform body is connected with the walking beam through the suspension assembly.

Optionally, the suspension assembly includes first wire rope, second wire rope and chain block, the one end of chain block passes through first wire rope with it connects to walk the walking beam, the other end of chain block is equipped with a plurality ofly second wire rope is in order to pass through second wire rope with platform body couple, chain block is suitable for the drive the platform body goes up and down along vertical direction.

Another object of the utility model is to provide a bridge girder erection machine, including bridge girder erection machine body and foretell sidespan platform, be equipped with the guide rail on the girder of bridge girder erection machine body, the hanging wheel subassembly of sidespan platform remove set up in on the guide rail.

Bridge girder erection machine for prior art the advantage that has the same with above-mentioned side span platform, no longer give unnecessary details here.

Drawings

FIG. 1 is a front view of an edge span platform according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a side view of the side-span platform of the embodiment of the present invention installed on the bridge girder erection machine body.

Description of reference numerals:

1. a platform body; 2. a support frame; 21. a connecting rod; 22. a first locking member; 23. transverse connection; 3. a flange assembly; 31. a first flange; 32. a second flange; 33. a second locking member; 4. a walking beam; 5. a hanger wheel assembly; 51. a change gear; 52. a connecting seat; 6. a reinforcing plate; 7. a suspension assembly; 71. a first wire rope; 72. a second wire rope; 73. chain block turning; 74. a third wire rope; 8. a bridge girder erection machine body; 81. a main beam; 811. a guide rail.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, it should be noted that, in the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate terms of orientation, and are only used for simplifying the positional relationship based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must operate according to specific orientation and defined operation, method, and configuration, and such terms of orientation do not constitute limitations of the present invention.

A coordinate system XYZ is provided herein, wherein a forward direction of the X-axis represents the left, a reverse direction of the X-axis represents the right, a forward direction of the Y-axis represents the front, a reverse direction of the Y-axis represents the rear, a forward direction of the Z-axis represents the upper, and a reverse direction of the Z-axis represents the lower.

As shown in fig. 1, the utility model provides a sidespan platform, include platform body 1, support frame 2, flange subassembly 3, walk walking roof beam 4 and peg subassembly 5, platform body 1 locates on the support frame 2, support frame 2 passes through flange subassembly 3 is detachable installs on walking roof beam 4, be equipped with on walking roof beam 4 peg subassembly 5, walking roof beam 4 is suitable for through peg subassembly 5 removes and sets up on bridge girder erection machine body 8.

In this embodiment, the platform body 1 may be a frame structure, and is disposed along the width direction of the main beam 81 of the bridge girder erection machine body 8, and the platform body 1 is used for a constructor to stand so as to construct a bridge section. Platform body 1 can adopt scalable form, include first platform and second platform, the third platform that is located first platform both ends, first platform the second platform reaches the third platform all sets up along the shown direction of X axle, the second platform with first platform sliding connection, the third platform with first platform sliding connection, when needs moving platform body 1, can to first platform direction slides the second platform the third platform shortens platform body 1's length, when the construction, can with the second platform with the third platform is to keeping away from the direction roll-off of first platform, in order to prolong the length of platform body.

The main beam 81 is arranged along the direction shown by the Y axis, the walking beam 4 and the platform body 1 are arranged along the direction shown by the X axis, and the support frame 2 is arranged along the direction shown by the Z axis. A guide rail 811 extending in the Y-axis direction is provided at the lower edge of the main beam 81, and the hanger assembly 5 is adapted to run along the guide rail 811.

Constructors stand on the platform body 1, when needing to move to the next section of girder construction, the accessible removes the bridge girder erection machine body 8 and drives the whole position of moving to the position of being convenient for the construction of sidespan platform, also can drive walking beam 4 and support frame 2, platform body 1 through hanger wheel subassembly 5 and remove along guide rail 811 together, changes platform body 1 with the relative position of bridge section, until moving to the assigned position.

Compared with a traditional hanging basket fixed construction platform, the side span platform is flexible in movement, does not need to be frequently disassembled and assembled, can meet construction requirements of different positions, can avoid damage, and can be conveniently disassembled even if the supporting frame 2 is connected with the walking beam 4 through the flange assembly 3, so that the hanging wheel assembly 5, the walking beam 4 or the platform body 1 can be conveniently replaced by local parts even if the hanging wheel assembly, the walking beam 4 or the platform body 1 are damaged due to abrasion, uneven stress or other reasons in the using process, the whole construction cost is not required to be replaced, and the construction cost is reduced.

Optionally, the supporting frame 2 includes a connecting rod 21 and a first locking member 22, the connecting rod 21 is disposed on two sides of the platform body 1 in pairs, the connecting rod 21 is provided with a locking hole at an interval on one side close to the platform body 1, and the first locking member 22 passes through the locking hole to be connected with the platform body 1.

In this embodiment, the supporting frames 2 are disposed at two ends of the platform body 1, and the two supporting frames 2 lift the platform body 1 together.

Here, the support frame 2 includes two connecting rods 21 located at the front and rear sides of the platform body 1, and the first locking member 22 passes through the connecting rods 21 to be locked with the front and rear sides of the platform body 1, so as to improve the mounting stability of the platform body 1, and the first locking member 22 may be a bolt.

Adopt above the structure of support frame 2 except can carrying out the fixed action, two connecting rods 21 through vertical setting still possess certain guide effect, avoid platform body 1 takes place to rock at the in-process that removes.

Optionally, the support frame 2 further includes a cross-link 23, and the two connecting rods 21 arranged in pairs are connected through the cross-link 23.

In this embodiment, the connecting rods 21 arranged oppositely on two sides of the platform body 1 are connected through a plurality of cross links 23 arranged at intervals, the cross links 23 are arranged along the direction shown by the Y axis, and the supporting strength of the supporting frame 2 on the platform body 1 is improved through the cross links 23.

The connecting rod 21 can be a telescopic rod, and can stretch along the direction shown by the Z axis, so that the platform body 1 can be conveniently lifted vertically, and the telescopic rod is driven by a driving device, such as a winch, gear and rack transmission and the like.

Optionally, the side span platform further includes a reinforcing plate 6, the reinforcing plate 6 is disposed along the circumferential direction of the connecting rod 21, and two ends of the reinforcing plate 6 are connected to the connecting rod 21 and the walking beam 4, respectively.

In this embodiment, the reinforcing plates 6 are arranged at intervals along the circumferential direction of the connecting rod 21, and the reinforcing plates 6 are used for improving the connection stability between the connecting rod 21 and the walking beam 4 and avoiding the fracture caused by insufficient connection strength of the connecting rod 21.

Optionally, as shown in fig. 2, the flange assembly 3 includes a first flange 31, a second flange 32 and a second locking member 33, the first flange 31 and the second flange 32 are respectively disposed on the walking beam 4 and the connecting rod 21, the first flange 31 and the second flange 32 are installed in a matching manner, and the second locking member 33 passes through the first flange 31 and the second flange 32.

Optionally, as shown in fig. 2, the hanging wheel assembly 5 includes a hanging wheel 51, a connecting seat 52 and a driving motor, the connecting seat 52 is disposed on the walking beam 4, the hanging wheel 51 is rotatably mounted on the connecting seat 52, and the driving motor is drivingly connected to the hanging wheel 51.

In this embodiment, four of the hanging wheel assemblies 5 are arranged, two of the hanging wheels are located on one side of the guide rail 811, the hanging wheels 51 on two sides respectively travel along the guide rail 811, and clamping is formed on the guide rail 811 together, so that the stability of the hanging wheels 51 in the traveling process is improved.

The plurality of the hanging wheels 51 positioned at one side of the guide 811 may be provided at intervals, and is not limited to two.

Optionally, the sidespan platform further comprises a suspension assembly 7, and the platform body 1 is connected with the walking beam 4 through the suspension assembly 7.

In this embodiment, the front and rear sides of the platform body 1 are connected to the connecting rods 21 of the supporting frame 2, and in order to further improve the stability of the platform body 1, the top of the platform body 1 is hung on the walking beam 4 by the hanging component 7.

But suspension assembly 7 symmetry sets up platform body 1's both sides, and suspension assembly 7 and support frame 2 can realize supporting from the multiple spot platform body 1 improves its support stability, ensures constructor's walking security.

Optionally, the suspension assembly 7 includes a first steel wire rope 71, a second steel wire rope 72 and a chain block 73, one end of the chain block 73 is connected to the walking beam 4 through the first steel wire rope 71, and the other end of the chain block 73 is provided with a plurality of second steel wire ropes 72 for hooking the platform body 1 through the second steel wire ropes 72; connecting rod 21 adopts the telescopic link, chain block 73 reaches connecting rod 21 drives jointly platform body 1 goes up and down along vertical direction.

In this embodiment, the upper end of first wire rope 71 is connected with the extension that walks capable roof beam 4 below through bow-shaped shackle, chain block 73, second wire rope 72 are passed through to the lower extreme of first wire rope 71 and are connected with platform body 1, and chain block 73 is the electrodynamic type, and first wire rope 71, chain block 73 and second wire rope 72 slant setting are right platform body 1 carries out the tractive.

Illustratively, there are two suspension assemblies 7. Two second steel cables 72 of each suspension assembly 7 may be provided, wherein the two second steel cables 72 of one suspension assembly 7 are connected to two vertices at one end of the platform body 1, and the two second steel cables 72 of the other suspension assembly 7 are connected to two vertices at the other end of the platform body 1.

In addition to the need to effect horizontal movement of the side-span platform relative to the bridge segment, vertical movement is also required. The chain block 73 and the connecting rod 21 can drive the platform body 1 to lift through the common extension of the two sides, so that the vertical movement of the side span platform is realized.

The suspension assembly 7 may further include a third steel wire rope 74, one end of the third steel wire rope 74 is connected to the support frame 2, and the other end of the third steel wire rope 74 is connected to the platform body 1, so as to improve stability of the platform body 1.

As shown in fig. 3, another object of the present invention is to provide a bridge erecting machine, which includes a bridge erecting machine body 8 and the above-mentioned side span platform, wherein a guide rail 811 is disposed on the main beam 81 of the bridge erecting machine body 8, and the hanging wheel assembly 5 of the side span platform is movably disposed on the guide rail 811.

In this embodiment, the bridge girder erection machine body 8 is used for erecting a bridge, and when a certain bridge section needs to be tensioned after being erected, the side span platform can be moved along the direction indicated by the main girder guide rail (i.e. the Y-axis direction), or lifted along the direction indicated by the Z-axis until the side span platform reaches a suitable position, so as to perform construction operation.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The side span platform is characterized by comprising a platform body (1), a support frame (2), a flange assembly (3), a walking beam (4) and a hanging wheel assembly (5), wherein the platform body (1) is arranged on the support frame (2), the support frame (2) is detachably arranged on the walking beam (4) through the flange assembly (3), the hanging wheel assembly (5) is arranged on the walking beam (4), and the walking beam (4) is suitable for being movably arranged on a bridge girder erection machine body (8) through the hanging wheel assembly (5).

2. The endbay platform of claim 1, wherein the support frame (2) comprises a connecting rod (21) and a first locking member (22), the connecting rod (21) is arranged on two sides of the platform body (1) in pairs, the connecting rod (21) is provided with locking holes at intervals on one side close to the platform body (1), and the first locking member (22) is connected with the platform body (1) through the locking holes.

3. The endbay platform of claim 2, wherein the support frame (2) further comprises a cross-bar (23), and the two connecting rods (21) arranged in pairs are connected through the cross-bar (23).

4. The endbay platform of claim 2, further comprising a reinforcing plate (6), wherein the reinforcing plate (6) is arranged along the circumference of the connecting rod (21), and two ends of the reinforcing plate (6) are respectively connected with the connecting rod (21) and the walking beam (4).

5. The sidespan of claim 2 characterized in that said flange assembly (3) comprises a first flange (31), a second flange (32) and a second locking member (33), said first flange (31) and said second flange (32) are respectively provided on said walking beam (4) and said connecting rod (21), said first flange (31) and said second flange (32) are installed in a matching way, said second locking member (33) passes through said first flange (31) and said second flange (32).

6. The sidespan platform of claim 1 characterized in that the hanging wheel assembly (5) comprises a hanging wheel (51), a connecting seat (52) and a driving motor, wherein the connecting seat (52) is arranged on the walking beam (4), the hanging wheel (51) is rotatably installed on the connecting seat (52), and the driving motor is in driving connection with the hanging wheel (51).

7. The endbay platform of claim 2, wherein the connecting rod (21) is a telescopic rod for driving the platform body (1) to lift and lower in a vertical direction.

8. The endbay platform of claim 7, further comprising a suspension assembly (7), the platform body (1) being connected to the walking beam (4) by the suspension assembly (7).

9. The endbay platform of claim 8, wherein the suspension assembly (7) comprises a first steel wire rope (71), a second steel wire rope (72) and a chain block (73), one end of the chain block (73) is connected with the walking beam (4) through the first steel wire rope (71), the other end of the chain block (73) is provided with a plurality of second steel wire ropes (72) to be hooked with the platform body (1) through the second steel wire ropes (72), and the chain block (73) is suitable for driving the platform body (1) to ascend and descend in a vertical direction.

10. Bridge girder erection machine, characterized in that it comprises a bridge girder erection machine body (8) and an edge platform according to any one of claims 1 to 9, wherein a guide rail (811) is provided on the main beam (81) of the bridge girder erection machine body (8), and the hanging wheel assembly (5) of the edge platform is movably arranged on the guide rail (811).

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