CN214089504U - Long-span steel box girder positioning device - Google Patents
Long-span steel box girder positioning device Download PDFInfo
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- CN214089504U CN214089504U CN202022599163.XU CN202022599163U CN214089504U CN 214089504 U CN214089504 U CN 214089504U CN 202022599163 U CN202022599163 U CN 202022599163U CN 214089504 U CN214089504 U CN 214089504U
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- box girder
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Abstract
The utility model belongs to the technical field of steel box girder installation, in particular to a long-span steel box girder positioning device, which comprises a steel box girder, wherein the lower end surface of the steel box girder is movably connected with a bearing block, the left side and the right side of the bearing block are both provided with grooves, the inner walls of the two grooves are all spliced with mounting plates, the mounting plates and the grooves are detachably connected through a plurality of bolts, one sides of the two mounting plates, which are opposite to each other, are both fixedly connected with connecting plates, the two connecting plates are respectively positioned on the left side and the right side of the steel box girder, and the upper ends of the two connecting plates are both fixedly connected with wing plates; place the steel box roof beam on accepting the piece through the loop wheel machine, the connecting plate of two slopes with accept the whole spout of piece formation, and then inject the position of steel box roof beam in the spout, then promote steel box roof beam front and back rectilinear movement, a plurality of steel box roof beams concatenate and accomplish the back, can dismantle a plurality of bolts of accepting terminal surface under the piece, extract two mounting panels respectively towards one side back of the body again, and then dismantle two pterygoid laminas.
Description
Technical Field
The utility model relates to a steel case roof beam installation technical field, concretely relates to long span steel case roof beam positioner.
Background
In the bridge construction process, the steel box girder segment is often hoisted on the upper support by adopting a floating crane and then is subjected to sliding construction, so that the steel box girder segment is required to be positioned on the sliding block, and after the steel box girder segment is driven by the sliding block to move to a specified position, the steel box girder segment is lifted up, and then the sliding block is moved away.
The position of present long span steel box girder need be adjusted repeatedly when the installation to butt joint the both ends steel box girder and weld, can not restrict the position of steel box girder betterly, slide block is removed again to the need lifting up the steel box girder after the steel box girder segment section slides to the assigned position, has increased the time of demolising positioner and support simultaneously.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides among the above-mentioned background art, the utility model provides a long span steel box girder positioner through set up positioner on the support, consequently the integrated device has the characteristics that can conveniently prescribe a limit to steel box girder segment position, conveniently demolishs positioner and support simultaneously.
In order to achieve the above object, the utility model provides a following technical scheme: a large-span steel box girder positioning device comprises a steel box girder, wherein splice plates are fixedly connected to the front side and the rear side of the steel box girder, a bearing block is movably connected to the lower end face of the steel box girder, grooves are formed in the left side and the right side of the bearing block, mounting plates are inserted into the inner walls of the two grooves, the mounting plates and the grooves are detachably connected through a plurality of bolts, one opposite sides of the two mounting plates respectively penetrate through the two grooves and extend to the outer side of the bearing block, connecting plates are fixedly connected to the opposite sides of the two mounting plates and are respectively located on the left side and the right side of the steel box girder, and wing plates are fixedly connected to the upper ends of the two connecting plates;
the lower terminal surface fixedly connected with of holding piece four two bisymmetry distributions's pillar, four the pillar all is located between two mounting panels, four the equal fixedly connected with fixed plate of lower extreme of pillar, four the lower terminal surface of fixed plate all can be dismantled through a plurality of bolts and be connected with the base.
For the convenience steel box girder segment section of thick bamboo slides around on the piece that holds, conduct the utility model relates to a long span steel box girder positioner is preferred, two the equal fixed mounting of up end of pterygoid lamina has a plurality of evenly distributed's a flexible section of thick bamboo, the bottom fixedly connected with spring of flexible section of thick bamboo inner wall, the top that a flexible section of thick bamboo and extension to a flexible section of thick bamboo is run through to the upper end of spring, the upper end fixedly connected with swash plate of spring, the up end of swash plate and the outside swing joint of steel box girder.
In order to support in the middle part of accepting the piece, conduct the utility model relates to a long span steel box girder positioner is preferred, the below of accepting the piece is provided with the chassis, the up end fixedly connected with spiral shell section of thick bamboo on chassis, the inner wall threaded connection of spiral shell section of thick bamboo has the screw rod, the top that the spiral shell section of thick bamboo and extend to the spiral shell section of thick bamboo is run through to the upper end of screw rod, the upper end fixedly connected with dead lever of screw rod, the upper end of dead lever and the lower terminal surface butt of accepting the piece.
For convenient twisting the screw rod, and then dismantle the spiral shell section of thick bamboo, as the utility model relates to a long span steel case roof beam positioner is preferred, a plurality of connecting rods of outer wall fixedly connected with of dead lever, it is a plurality of the other end fixedly connected with carousel of connecting rod.
In order to improve the stability between the many pillars, as the utility model relates to a long span steel box girder positioner is preferred, equal fixedly connected with reinforcing plate between the pillar of two front sides and between the pillar of two rear sides.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this kind of long span steel box girder positioner places the steel box girder on accepting the piece through the loop wheel machine, and the connecting plate of two slopes forms whole spout with accepting the piece, and then prescribes a limit to the position of steel box girder in the spout, then promotes steel box girder linear motion around the promotion.
2. This kind of long span steel box girder positioner, a plurality of steel box girders concatenation are accomplished the back, can dismantle a plurality of bolts of accepting terminal surface under the piece, and two mounting panels are extracted respectively towards one side back of the body mutually again, and then dismantle two pterygoid laminas.
3. This kind of long span steel box girder positioner when dismantling the support, unscrews the bolt spiral of a plurality of fixed plate up end, and then makes pillar and base separation, then takes out a plurality of bases from the bottom to reach the effect of conveniently dismantling and holding piece and pillar.
In summary, the following steps: the utility model provides a long span steel box girder positioner, through set up positioner on the support, consequently whole device has can conveniently carry out the characteristics of injecing to steel box girder segment position, conveniently demolishs positioner and support simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a structural diagram of a positioning device for a long-span steel box girder of the present invention;
FIG. 2 is a cross-sectional view of the receiving block of the present invention;
FIG. 3 is a view showing the structure of the base plate, the screw cylinder and the screw rod of the present invention;
fig. 4 is a structural diagram of the telescopic cylinder, the spring and the sloping plate of the present invention.
In the figure, 1, a steel box girder; 101. splicing plates; 2. a bearing block; 201. a groove; 3. a wing plate; 301. a connecting plate; 302. mounting a plate; 4. a telescopic cylinder; 401. a spring; 402. a sloping plate; 5. a chassis; 501. a screw cylinder; 502. a screw; 503. fixing the rod; 504. a connecting rod; 505. a turntable; 6. a pillar; 601. a fixing plate; 602. a base; 603. a reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a stride footpath steel box girder positioner greatly, including steel box girder 1, the equal fixedly connected with splice plate 101 in both sides around steel box girder 1, the lower terminal surface swing joint of steel box girder 1 has the piece 2 that holds, hold the left and right sides of piece 2 and all seted up recess 201, the inner wall of two recess 201 has all been pegged graft and has mounting panel 302, mounting panel 302 can be dismantled through a plurality of bolts with recess 201 and be connected, two mounting panel 302 one side that carry on the back mutually run through two recess 201 respectively and extend to the outside of holding piece 2, the equal fixedly connected with connecting plate 301 in one side that two mounting panel 302 carried on the back mutually, two connecting plates 301 are located the left and right sides of steel box girder 1 respectively, the equal fixedly connected with pterygoid lamina 3 in.
In this embodiment: place steel box girder 1 on accepting block 2 through the loop wheel machine, the connecting plate 301 of two slopes forms whole spout with accepting block 2, and then inject steel box girder 1's position in the spout, then promote steel box girder 1 front and back rectilinear movement, and after the concatenation of a plurality of steel box girders is accomplished, can dismantle a plurality of bolts of accepting block 2 lower terminal surface, extracts two mounting panels 302 respectively towards one side of carrying on the back again, and then dismantles two pterygoid lamina 3.
As a technical optimization scheme of the utility model, accept the pillar 6 of four two liang of symmetric distributions of lower terminal surface fixedly connected with of piece 2, four pillars 6 all are located between two mounting panels 302, the equal fixedly connected with fixed plate 601 of lower extreme of four pillars 6, and the lower terminal surface of four fixed plates 601 all can be dismantled through a plurality of bolts and be connected with base 602.
In this embodiment: when the support is disassembled, the bolts on the upper end surfaces of the fixing plates 601 are screwed out, so that the support column 6 is separated from the base 602, and then the base 602 is taken out from the bottom, so that the effect of conveniently disassembling the bearing block 2 and the support column 6 is achieved.
As a technical optimization scheme, the equal fixed mounting of up end of two pterygoid lamina 3 has a plurality of evenly distributed's a flexible section of thick bamboo 4, the bottom fixedly connected with spring 401 of 4 inner walls of a flexible section of thick bamboo, and flexible section of thick bamboo 4 is run through and is extended to the top of flexible section of thick bamboo 4 in the upper end of spring 401, the upper end fixedly connected with swash plate 402 of spring 401, the up end of swash plate 402 and the outside swing joint of steel box girder 1.
In this embodiment: when placing steel box girder 1 between two connecting plates 301, the left and right sides of terminal surface is located two pterygoid lamina 3's top respectively under the steel box girder 1, and a plurality of springs 401 compress and bounce-back pressure to steel box girder 1 this moment, and then make steel box girder 1 and accept and have certain gap between the piece 2 to reach laborsaving effect promoting steel box girder 1 in-process.
As the utility model discloses a technical optimization scheme, the below of accepting piece 2 is provided with chassis 5, the up end fixedly connected with spiral shell section of thick bamboo 501 on chassis 5, the inner wall threaded connection of spiral shell section of thick bamboo 501 has screw rod 502, spiral shell section of thick bamboo 501 is run through and extends to the top of spiral shell section of thick bamboo 501 in the upper end of screw rod 502, the upper end fixedly connected with dead lever 503 of screw rod 502, the upper end of dead lever 503 and the lower terminal surface butt of accepting piece 2, the outer wall fixedly connected with of dead lever 503 connects a plurality of connecting rods 504, the other end fixedly connected with carousel 505 of a plurality of connecting rods 504.
In this embodiment: the middle part of the lower end face of the bearing block 2 can be supported through the screw cylinder 501 and the screw rod 502, the steel box girder 1 is further stably supported, the steel box girder 1 can move stably, the screw screwing turntable 505 can drive the screw rod 502 to move downwards in the screw cylinder 501, and therefore the effect of conveniently disassembling the supporting device is achieved.
As a technical optimization scheme of the utility model, equal fixedly connected with reinforcing plate 603 between the pillar 6 of two front sides and between the pillar 6 of two rear sides.
In this embodiment: connect two pillars 6 through reinforcing plate 603, and be provided with the strengthening rib in reinforcing plate 603, and then can reduce the possibility that the pillar atress warp, further increase the stability between two pillars 6 to guarantee positioner's stability.
The utility model discloses a theory of operation and use flow: place steel box girder 1 on accepting piece 2 through the loop wheel machine, the connecting plate 301 of two slopes forms whole spout with accepting piece 2, and then inject steel box girder 1's position in the spout, then promote steel box girder 1 front and back rectilinear movement, after the concatenation of a plurality of steel box girders 1 is accomplished, can dismantle a plurality of bolts of accepting piece 2 lower terminal surface, draw two mounting panels 302 respectively towards one side of carrying on the back mutually again, and then dismantle two pterygoid lamina 3, when dismantling the support, screw out the bolt spiral of a plurality of fixed plate 601 up end, and then make pillar 6 and base 602 separate, then take out a plurality of bases 602 from the bottom, dismantle pillar 6 again, screw out carousel 505 can drive screw rod 502 and move down in barrel 501, thereby dismantle strutting arrangement.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a long span steel box girder positioner, includes steel box girder (1), equal fixedly connected with splice plate (101) in both sides around steel box girder (1), its characterized in that: the lower end face of the steel box girder (1) is movably connected with a bearing block (2), the left side and the right side of the bearing block (2) are respectively provided with a groove (201), the inner walls of the two grooves (201) are respectively spliced with a mounting plate (302), the mounting plates (302) are detachably connected with the grooves (201) through a plurality of bolts, the opposite sides of the two mounting plates (302) respectively penetrate through the two grooves (201) and extend to the outer side of the bearing block (2), the opposite sides of the two mounting plates (302) are respectively and fixedly connected with connecting plates (301), the two connecting plates (301) are respectively positioned on the left side and the right side of the steel box girder (1), and the upper ends of the two connecting plates (301) are respectively and fixedly connected with a wing plate (3);
the lower terminal surface fixedly connected with of piece (2) is four pillar (6) that two liang of symmetric distributions, four pillar (6) all are located between two mounting panels (302), four the equal fixedly connected with fixed plate (601) of lower extreme of pillar (6), four the lower terminal surface of fixed plate (601) all can be dismantled through a plurality of bolts and be connected with base (602).
2. The long-span steel box girder positioning device of claim 1, wherein: two equal fixed mounting of up end of pterygoid lamina (3) has a plurality of evenly distributed's a flexible section of thick bamboo (4), the bottom fixedly connected with spring (401) of a flexible section of thick bamboo (4) inner wall, the top that flexible section of thick bamboo (4) and extend to flexible section of thick bamboo (4) is run through to the upper end of spring (401), the upper end fixedly connected with swash plate (402) of spring (401), the up end of swash plate (402) and the outside swing joint of steel box girder (1).
3. The long-span steel box girder positioning device of claim 1, wherein: the bearing block is characterized in that a base plate (5) is arranged below the bearing block (2), a screw cylinder (501) is fixedly connected to the upper end face of the base plate (5), a screw rod (502) is connected to the inner wall of the screw cylinder (501) in a threaded manner, the upper end of the screw rod (502) penetrates through the screw cylinder (501) and extends to the upper portion of the screw cylinder (501), a fixing rod (503) is fixedly connected to the upper end of the screw rod (502), and the upper end of the fixing rod (503) is abutted to the lower end face of the bearing block (2).
4. The long-span steel box girder positioning device of claim 3, wherein: the outer wall of the fixing rod (503) is fixedly connected with a plurality of connecting rods (504), and the other ends of the connecting rods (504) are fixedly connected with a turntable (505).
5. The long-span steel box girder positioning device of claim 1, wherein: reinforcing plates (603) are fixedly connected between the two front side pillars (6) and between the two rear side pillars (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599163.XU CN214089504U (en) | 2020-11-11 | 2020-11-11 | Long-span steel box girder positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599163.XU CN214089504U (en) | 2020-11-11 | 2020-11-11 | Long-span steel box girder positioning device |
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| CN214089504U true CN214089504U (en) | 2021-08-31 |
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| CN202022599163.XU Active CN214089504U (en) | 2020-11-11 | 2020-11-11 | Long-span steel box girder positioning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572829A (en) * | 2022-03-02 | 2022-06-03 | 振天建设集团有限公司 | Steel box girder hoisting and temporary pier multi-point positioning auxiliary device and auxiliary method |
| CN114922086A (en) * | 2022-06-15 | 2022-08-19 | 中铁广州工程局集团第三工程有限公司 | Construction method for hoisting interchange ramp steel box girder |
-
2020
- 2020-11-11 CN CN202022599163.XU patent/CN214089504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114572829A (en) * | 2022-03-02 | 2022-06-03 | 振天建设集团有限公司 | Steel box girder hoisting and temporary pier multi-point positioning auxiliary device and auxiliary method |
| CN114922086A (en) * | 2022-06-15 | 2022-08-19 | 中铁广州工程局集团第三工程有限公司 | Construction method for hoisting interchange ramp steel box girder |
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