CN212475768U - Overhead closure device for hoisting steel box girder - Google Patents
Overhead closure device for hoisting steel box girder Download PDFInfo
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- CN212475768U CN212475768U CN202021094912.7U CN202021094912U CN212475768U CN 212475768 U CN212475768 U CN 212475768U CN 202021094912 U CN202021094912 U CN 202021094912U CN 212475768 U CN212475768 U CN 212475768U
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Abstract
The utility model discloses a steel case roof beam hoist and mount closure device in air, it relates to bridge construction technical field, helps solving the technical problem that is difficult to satisfy the welding requirement between two steel case roof beams, and it is including being fixed in the fixed subassembly that two adjacent steel case roof beams are close to mutually, every all can dismantle on the fixed subassembly and be provided with spacing subassembly, adjacent two be connected with between the spacing subassembly and be used for the subassembly that tightens up that two steel case roof beams foldd, tighten up the subassembly with spacing subassembly rotates and connects. Can finely tune and tighten up the closure seam that produces between two steel box girders to the later stage welding is convenient for.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction technique and specifically relates to a steel case roof beam hoist and mount closure device in air is related to.
Background
With the rapid development of economy and technology, the quantity of bridge engineering is rapidly increased, the quantity of steel box girder bridges is also increased, the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode, and compared with the traditional concrete bridge, the steel box girder bridge has the advantages of light dead weight, short construction period, environmental protection, material saving, low cost and the like.
When the traditional steel box girder is applied, one steel box girder is hoisted at first, then the other steel box girder is hoisted through a crane, and the second steel box girder and the previous steel box girder need to be folded.
Because the range of crane is great, it is difficult to close the long seam accurate control between two steel box girders to the realization finely tunes the close long seam between two steel box girders, thereby is difficult to satisfy the welding requirement between two steel box girders.
SUMMERY OF THE UTILITY MODEL
According to the not enough that prior art exists, the utility model aims at providing an overhead closure device of steel case roof beam hoist and mount adjusts closure joint, has and is convenient for carry out welded effect to closure joint between two steel case roof beams.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a steel case roof beam hoist and mount aerial closure device, is including being fixed in the fixed subassembly on two adjacent steel case roof beams respectively, every all can dismantle on the fixed subassembly and be provided with spacing subassembly, adjacent two be connected with the tightening up subassembly that is used for foling two steel case roof beams between the spacing subassembly, tightening up the subassembly with spacing subassembly rotates and is connected.
Through adopting above-mentioned technical scheme, when the clearance that produces between two steel box girders is difficult to carry out the welding, need reduce the interval between the closure seam that produces between two steel box girders. Firstly, fix the fixed subassembly respectively on two steel box girders, then fix spacing subassembly on the fixed subassembly, fix the subassembly that tightens up between two spacing subassemblies at last, tighten up spacing subassembly towards relative position through the subassembly that tightens up to can drive the steel box girder and tighten up. Consequently, the setting of fixed subassembly, spacing subassembly and tightening component can finely tune the closure seam that produces between two steel box girders and tighten up to burn the seam in the later stage.
The present invention may be further configured in a preferred embodiment as: the fixing assembly comprises a fixing block and a triangular block supporting the fixing block, the fixing block is fixed at the position, close to the edge of the steel box girder, and the triangular block is fixed at one side, close to the steel box girder adjacent to the fixing block, of the fixing block.
Through adopting above-mentioned technical scheme, when tightening up the subassembly and exerting force to spacing subassembly, spacing subassembly will exert force to the fixed block, and three hornblocks can support the fixed block through the stability of self, make the fixed block be difficult to buckle and spacing subassembly break away from the connection.
The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a limiting column and a U-shaped limiting rod, the limiting column is arranged on two sides of the opening position of the limiting rod, a mounting hole used for mounting the tightening assembly is radially formed in the limiting column along the radial direction of the limiting column, and the limiting rod is sleeved on the fixing block.
Through adopting above-mentioned technical scheme, when needing to adjust the closure seam, establish the gag lever post cover on the fixed block, when the closure seam is adjusted to required interval, install in the mounting hole and tighten up the subassembly, can apply the pulling force to two gag lever posts through tightening up the subassembly, then apply the pulling force to two fixed blocks through the gag lever post to adjust the closure seam.
The present invention may be further configured in a preferred embodiment as: the tightening assembly comprises a first screw rod, a second screw rod and a driving block fixed between the first screw rod and the second screw rod;
the first screw rod and the second screw rod are opposite in rotating direction, and the first screw rod and the second screw rod are respectively in threaded connection with the corresponding mounting holes.
Through adopting above-mentioned technical scheme, when adjusting the closure seam size, the staff rotates the drive block, because the soon of first screw rod and second screw rod is opposite to can stimulate two spacing posts and move towards relative direction, and then move two steel box girders towards relative direction.
The present invention may be further configured in a preferred embodiment as: a plurality of operation holes are formed in the driving block and distributed at the circumferential position of the driving block, and the axes of the operation holes are arranged in a staggered mode.
By adopting the technical scheme and the arrangement of the operation hole, a worker can insert tools such as a stick into the operation hole and then rotate the tools, so that the driving block can be rotated. The axes of the operation holes are arranged in a staggered mode, so that when the driving block rotates, a worker can insert tools into other operation holes conveniently to rotate the driving block.
The present invention may be further configured in a preferred embodiment as: the both ends of gag lever post are all fixed and are provided with solid fixed ring, spacing post wears to locate in the solid fixed ring, and with gu fixed ring rotates to be connected.
Through adopting above-mentioned technical scheme, rotate between spacing post and the gag lever post and be connected, can be convenient for the installation of first screw rod and second screw rod. When installing first screw rod, can rotate spacing post, the axis with the mounting hole above the spacing post up, the staff of being convenient for installs first screw rod in the mounting hole, then rotates the spacing post of having installed first screw rod, with first screw rod towards another spacing post of not installing the second screw rod, then with the axis of the mounting hole of this spacing post along the direction of second screw rod, can install the second screw rod to can install first screw rod and second screw rod between two spacing posts.
The present invention may be further configured in a preferred embodiment as: a limiting lug is fixedly arranged on one side face, far away from the triangular block, of the fixing block, and the limiting lug is far away from the corresponding steel box girder;
the limiting rod is positioned in a limiting groove formed between the limiting convex block and the steel box girder.
Through adopting above-mentioned technical scheme, the setting of spacing lug can carry on spacingly to the position of gag lever post, makes the gag lever post be difficult to and break away from the connection between the fixed block.
The present invention may be further configured in a preferred embodiment as: the length direction of the connecting surface of the fixed block and the steel box girder is consistent with the length direction of the first screw.
Through adopting above-mentioned technical scheme, on the one hand, because the length of the connection face of limiting plate and steel box girder is unanimous with the length direction of limiting rod, so can be convenient for establish the gag lever post cover on the fixed block. On the other hand, if set up the fixed block slope or the level sets up, if produce the phenomenon of tearing between fixed block and the steel box girder, the gag lever post tears the separation with the fixed block from the steel box girder very easily.
The present invention may be further configured in a preferred embodiment as: the length of the long edge of the limiting rod is 1.1 to 1.2 times of the length of the first screw or the second screw.
Through adopting above-mentioned technical scheme, can provide sufficient flexible space for first screw rod or second screw rod to can adjust the closure seam between two steel box girders. When the first screw rod and the second screw rod rotate, the first screw rod and the second screw rod move towards the position of the limiting rod, if the length of the limiting rod is smaller than that of the first screw rod or the second screw rod, when the closure seam is not completely closed, the first screw rod and the second screw rod impact the triangular block, and therefore the closure seam is not closed well.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the fixing assembly, the limiting assembly and the tightening assembly, the fine adjustment and tightening of the closure joint generated between the two steel box girders can be realized, so that the later seam burning effect is facilitated;
2. through the arrangement of the operation hole, the effect of facilitating the rotation of the driving block by a worker can be achieved;
3. through the setting of spacing lug, can play and make the gag lever post be difficult to and break away from the effect of being connected between the fixed block.
Drawings
Fig. 1 is an overall structure schematic diagram of a steel box girder hoisting aerial closure device.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure, 1, fixing the assembly; 11. a fixed block; 12. a triangular block; 13. a limiting bump; 15. a limiting groove; 2. a limiting component; 21. a limiting rod; 22. a limiting column; 23. mounting holes; 24. a fixing ring; 3. a tightening assembly; 31. a first screw; 32. a second screw; 33. a drive block; 34. an operation hole; 4. closing the seams; 5. a steel box girder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to the figure 1, the utility model discloses an aerial closure device of steel box girder hoist and mount, including being fixed in the fixed subassembly 1 between two adjacent steel box girders 5 respectively, two fixed subassemblies 1 are close to the setting each other. The limiting assemblies 2 can be detachably sleeved on each fixing assembly 1, a closure seam 4 is formed between every two adjacent steel box girders 5, and a tightening assembly 3 used for closing the two steel box girders 5 is connected between the two limiting assemblies 2.
Referring to fig. 2, the fixing assembly 1 comprises fixing blocks 11 welded on the steel box girder 5, and the planes of the two fixing blocks 11 are perpendicular to the closure seam 4. The limiting component 2 comprises a U-shaped limiting rod 21 sleeved on the fixing block 11, the length direction of the contact surface of the fixing block 11 and the steel box girder 5 is consistent with the length of the limiting rod 21, the limiting rod 21 can be conveniently sleeved on the fixing block 11, the limiting rod 21 can be conveniently detached from the fixing block 11, and the tearing and separation effect of the fixing block 11 and the steel box girder 5 can be reduced. And a limiting lug 13 is arranged on one side surface of each of the two fixing blocks, which is opposite to each other, and a limiting rod 21 is positioned in a limiting groove 15 formed between the limiting lug 13 and the steel box girder 5. In order to improve the reliability of being connected between fixed block 11 and the steel box girder 5, be provided with three hornblocks 12 in the one side that fixed block 11 is close to gag lever post 21, through three hornblocks 12 self stability, support fixed block 11, thereby make fixed block 11 be difficult to the bending fracture and break away from the connection with spacing subassembly 2.
Referring to fig. 1 and 2, the end portions of the two long sides of the limiting rod 21 are both fixedly provided with fixing rings 24, the opening position of the limiting rod 21 is provided with a limiting column 22, and the two ends of the limiting column 22 are respectively penetrated into the corresponding fixing rings 24 and are rotatably connected with the fixing rings 24. The tightening assembly 3 comprises a first screw 31, a driving block 33 and a second screw 32 which are fixedly connected in sequence, and the rotating directions of the first screw 31 and the second screw 32 are opposite. Mounting holes 23 are formed in the two limiting columns 22 along the radial direction, the axes of the mounting holes 23 are perpendicular to the axes of the limiting columns 22, and one ends, far away from the driving block 33, of the first screw 31 and one ends, far away from the driving block 33, of the second screw 32 are respectively in threaded connection with the corresponding mounting holes 23. The lengths of the first screw 31 and the second screw 32 are kept consistent, and the length of the long side of the limiting rod 21 is set to be 1.1 times to 1.2 times of the length of the first screw 31 or the second screw 32, in this embodiment, the length of the long side of the limiting rod 21 is 1.1 times of the length of the first screw 31 or the second screw 32. So as to provide enough movement space for the first screw 31 or the second screw 32 to adjust the closure seam 4 between the two steel box girders 5. A plurality of operation holes 34 are formed in the driving block 33, the operation holes 34 are distributed at the circumferential position of the driving block 33, and the axes of the operation holes 34 are arranged in a staggered mode. The worker can insert a tool such as a stick into the operation hole 34, swing the tool, rotate the driving block 33, insert the tool into the other operation hole 34, rotate the driving block 33 again, and repeatedly operate to reduce the closure seam 4 between the two steel box girders 5.
The implementation principle of the above embodiment is as follows: when the closure seam 4 is reduced, firstly, the fixing blocks 11 with the limiting lugs 13 are welded on the two steel box girders 5 at the positions close to each other, and the periphery of the fixing blocks 11 and the steel box girders 5 are welded. Secondly, welding the triangular blocks 12 on the opposite sides of the two fixed blocks 11, and welding the joints between the triangular blocks 12 and the fixed blocks 11 and the joints between the triangular blocks 12 and the steel box girder 5. And thirdly, connecting the first screw 31 and the second screw 32 with the corresponding limiting columns 22 respectively. Then, the limiting rod 21 and the limiting column 22 are connected with each other, and the limiting rod 21 is sleeved in the limiting groove 15 formed between the limiting lug 13 and the steel box girder 5, so that the length direction of the limiting rod 21 is consistent with the length direction of the first screw 31, the driving block 33 and the second screw 32. Finally, the driving block 33 is rotated, the two limiting columns 22 are pulled to move towards opposite directions through the first screw 31 and the second screw 32, and the two limiting columns 22 respectively apply pulling force to the two fixing blocks 11, so that the two steel box girders 5 can move towards opposite directions.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a steel case roof beam hoist and mount closure device in air which characterized in that: including being fixed in fixed subassembly (1) on two adjacent steel box girders (5) respectively, every all can dismantle on fixed subassembly (1) and be provided with spacing subassembly (2), adjacent two be connected with between spacing subassembly (2) and be used for tightening up subassembly (3) that two steel box girders (5) are foldd, tighten up subassembly (3) with spacing subassembly (2) rotate and are connected.
2. The steel box girder hoisting aerial closure device of claim 1, which is characterized in that: fixed subassembly (1) includes fixed block (11) and support triangular block (12) of fixed block (11), fixed block (11) are fixed in the position that steel box girder (5) are close to its own border, triangular block (12) are fixed in fixed block (11) and are close to the one side rather than adjacent steel box girder (5).
3. The steel box girder hoisting aerial closure device of claim 2, characterized in that: spacing subassembly (2) are including gag lever post (22) and gag lever post (21) of "U" shape, gag lever post (22) set up in gag lever post (21) open position's both sides, mounting hole (23) that are used for the installation to tighten up subassembly (3) are radially offered along it to gag lever post (22), gag lever post (21) cover is located on fixed block (11).
4. The steel box girder hoisting aerial closure device according to claim 3, characterized in that: the tightening assembly (3) comprises a first screw (31), a second screw (32) and a driving block (33) fixed between the first screw (31) and the second screw (32);
the rotating directions of the first screw rod (31) and the second screw rod (32) are opposite, and the first screw rod (31) and the second screw rod (32) are respectively in threaded connection with the corresponding mounting holes (23).
5. The steel box girder hoisting aerial closure device according to claim 4, characterized in that: a plurality of operation holes (34) are formed in the driving block (33), the operation holes (34) are distributed in the circumferential position of the driving block (33), and the axes of the operation holes (34) are arranged in a staggered mode.
6. The steel box girder hoisting aerial closure device according to claim 3, characterized in that: both ends of gag lever post (21) are all fixed and are provided with solid fixed ring (24), spacing post (22) wear to locate in solid fixed ring (24), and with gu fixed ring (24) rotate to be connected.
7. The steel box girder hoisting aerial closure device according to claim 3, characterized in that: a limiting lug (13) is fixedly arranged on one side face, far away from the triangular block (12), of the fixing block (11), and the limiting lug (13) is arranged far away from the position corresponding to the steel box girder (5);
the limiting rod (21) is positioned in a limiting groove (15) formed between the limiting convex block (13) and the steel box girder (5).
8. The steel box girder hoisting aerial closure device of claim 7, characterized in that: the length direction of the connecting surface of the fixed block (11) and the steel box girder (5) is consistent with the length direction of the first screw (31).
9. The steel box girder hoisting aerial closure device according to claim 4, characterized in that: the length of the long side of the limiting rod (21) is 1.1-1.2 times that of the first screw (31) or the second screw (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094912.7U CN212475768U (en) | 2020-06-12 | 2020-06-12 | Overhead closure device for hoisting steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094912.7U CN212475768U (en) | 2020-06-12 | 2020-06-12 | Overhead closure device for hoisting steel box girder |
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| Publication Number | Publication Date |
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| CN212475768U true CN212475768U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021094912.7U Active CN212475768U (en) | 2020-06-12 | 2020-06-12 | Overhead closure device for hoisting steel box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356080A (en) * | 2021-07-10 | 2021-09-07 | 江苏百崮钢结构工程有限公司 | Middle transverse horizontal reverse jacking device for main tie beam of steel arch bridge |
-
2020
- 2020-06-12 CN CN202021094912.7U patent/CN212475768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356080A (en) * | 2021-07-10 | 2021-09-07 | 江苏百崮钢结构工程有限公司 | Middle transverse horizontal reverse jacking device for main tie beam of steel arch bridge |
| CN113356080B (en) * | 2021-07-10 | 2022-09-20 | 江苏百崮钢结构工程有限公司 | Middle transverse horizontal reverse jacking device for main tie beam of steel arch bridge |
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