CN217128033U - Hydraulic pushing device for steel box girder - Google Patents
Hydraulic pushing device for steel box girder Download PDFInfo
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- CN217128033U CN217128033U CN202220997084.0U CN202220997084U CN217128033U CN 217128033 U CN217128033 U CN 217128033U CN 202220997084 U CN202220997084 U CN 202220997084U CN 217128033 U CN217128033 U CN 217128033U
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- hydraulic
- guiding
- steel box
- box girder
- sliding block
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Abstract
The utility model discloses a hydraulic pushing device for steel box girder, which comprises a hydraulic jacking platform and a pushing mechanism arranged on the hydraulic jacking platform, wherein the pushing mechanism comprises a slider, a driving mechanism and a guiding mechanism, the output end of the driving mechanism is hinged with the slider, the guiding mechanism comprises two guiding groups which are symmetrically arranged, the guiding group comprises a mounting frame, a mounting plate, a plurality of guiding rods arranged on the mounting plate and a hydraulic cylinder I connected with the mounting frame, the utility model is provided with the guiding mechanism which can guide the slider, the slider and a supporting table can move on a circular arc line by arranging the plurality of guiding rods with different heights, thereby being suitable for pushing the steel box girder on the arc channel of a high-speed elevated gateway, compared with the common pushing equipment in the prior art, the utility model can share the extrusion force on the steel box girder guiding beam, effectively prevent the nose girder deformation, improve the construction precision.
Description
Technical Field
The utility model relates to a building engineering equipment field, in particular to a hydraulic pressure thrustor for steel case roof beam.
Background
With the continuous promotion of national construction, the number of overpasses and river-crossing bridges is increased day by day, but due to the influences of a plurality of factors such as geographic positions, weather, traffic navigation, bridge structures and the like in the construction process, the construction progress and the construction safety and quality need to be ensured, and meanwhile, the reduction of the vehicle sealing time needs to be considered in the overpass. For a composite structure bridge, the construction of a steel structure bridge generally adopts the construction methods such as a dragging and pulling method, a longitudinal connection dragging and pulling method, a guide beam dragging and pulling method and the like, but the technical difficulty of the methods is that the frictional resistance generated by self weight is overcome, and a beam body is pushed to move forwards, so equipment in a pushing mode needs to be designed
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic pressure thrustor for steel case roof beam can solve the problem that points out among the background art.
A hydraulic pushing device for a steel box girder comprises a hydraulic jacking table and a pushing mechanism arranged on the hydraulic jacking table, wherein the pushing mechanism comprises a sliding block, a driving mechanism and a guide mechanism, the output end of the driving mechanism is hinged with the sliding block, the guide mechanism comprises two guide groups which are symmetrically arranged, each guide group comprises a mounting frame, a mounting plate which is arranged in the mounting frame in a sliding mode, a plurality of guide rods arranged on the mounting plate and a first hydraulic cylinder connected with the mounting frame, the lengths of the guide rods are different, and points where the end parts of the guide rods are located on the same circular arc line;
the sliding block is positioned between the two guide groups, and the guide rod is abutted to the sliding block under the action of the first hydraulic cylinder.
Preferably, the upper side of the sliding block is provided with a supporting table in a sliding mode, two hydraulic cylinders are symmetrically arranged in the supporting table, the top of each mounting frame is provided with a baffle, and the extending ends of the two hydraulic cylinders can abut against the baffles.
Preferably, the driving mechanism is a third hydraulic cylinder, and an output end of the third hydraulic cylinder is hinged to the sliding block through a connecting rod.
Preferably, a plurality of the guide rods are detachably arranged on the mounting plate.
Preferably, be provided with on the mounting panel with guide bar complex sleeve, threaded connection has fixing bolt on the sleeve, fixing bolt's tip stretches into in the sleeve and contradict on the guide bar.
Preferably, the end of the guide rod is provided with a roller.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with guiding mechanism, can lead to the slider, make slider and brace table can remove on the circular arc line through setting up a plurality of guide bars that highly differ to be applicable to and carry out the top of steel box girder on the arc passageway of high-speed, overpass gateway and push away the operation, compare common top in the prior art and push away equipment, the utility model discloses can share the extrusion force on the steel box girder nose girder, prevent effectively that the nose girder from warping, improve the construction precision.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the mounting rack of the present invention;
fig. 3 is a top view of the mounting bracket of the present invention;
fig. 4 is a top view of the present invention.
Description of reference numerals:
1-hydraulic jacking table, 2-mounting frame, 3-guide rod, 4-hydraulic cylinder I, 5-slide block, 6-support table, 7-hydraulic cylinder II, 8-baffle, 9-hydraulic cylinder III, 10-sleeve, 11-fixing bolt, 12-roller, 13-connecting rod and 14-mounting plate.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
As shown in fig. 1 to 4, an embodiment of the present invention provides a hydraulic thrustor for a steel box girder, including a hydraulic jacking table 1 and a pushing mechanism disposed on the hydraulic jacking table 1, where the pushing mechanism includes a slider 5, a driving mechanism and a guiding mechanism, an output end of the driving mechanism is hinged to the slider 5, the guiding mechanism includes two guiding groups symmetrically disposed, each guiding group includes a mounting frame 2, a mounting plate 14 slidably disposed in the mounting frame 2, a plurality of guide rods 3 disposed on the mounting plate 14, and a first hydraulic cylinder 4 connected to the mounting frame 2, the guide rods 3 are different in length, and points where ends of the guide rods 3 are located on the same circular arc line;
the pushing equipment in the prior art is horizontally pushed, and the viaduct and the high-speed gate are arc-shaped, so that a part of thrust is applied to the guide beam of the steel box girder by using the pushing equipment in the prior art, the guide beam is deformed, the construction error is large, and continuous adjustment is needed;
the hydraulic jacking table 1 is of an existing structure and is not described herein;
the guide rods 3 are detachably arranged on the mounting plate 14, and the length of the guide rods 3 can be selected according to specific construction conditions;
the sliding block 5 is positioned between the two guide groups, and the guide rod 3 is abutted against the sliding block 5 under the action of the first hydraulic cylinder 4;
a support table 6 is slidably arranged on the upper side of the sliding block 5, hydraulic cylinders 7 are symmetrically arranged in the support table 6, baffles 8 are arranged at the tops of the two mounting frames 2, and the extending ends of the hydraulic cylinders 7 can abut against the baffles 8;
the second hydraulic cylinder 7 works to enable the support table 6 to move, so that the position of the steel box girder can be adjusted transversely;
the bottom of the support table 6 is provided with a slide rail, the upper side of the slide block 5 is provided with a slide groove matched with the slide rail, and the slide rail and the slide groove are not drawn in the figure;
the driving mechanism is a hydraulic cylinder III 9, and the output end of the hydraulic cylinder III 9 is hinged with the sliding block 5 through a connecting rod 13;
be provided with on the mounting panel 14 with 3 complex sleeves 10 of guide bar, threaded connection has fixing bolt 11 on the sleeve 10, fixing bolt 11's tip stretches into in the sleeve 10 and contradict on the guide bar 3, adjust the length that guide bar 3 stretched into in the sleeve 10 through not hard up bolt 11 to be applicable to the construction of different radial high-speed, overpass floodgate ways.
In order to reduce friction, the ends of the guide rods 3 are provided with rollers 12.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. A hydraulic jacking device for a steel box girder is characterized by comprising a hydraulic jacking platform and a pushing mechanism arranged on the hydraulic jacking platform, wherein the pushing mechanism comprises a sliding block, a driving mechanism and a guiding mechanism, the output end of the driving mechanism is hinged with the sliding block, the guiding mechanism comprises two symmetrically arranged guiding groups, each guiding group comprises a mounting frame, a mounting plate arranged in the mounting frame in a sliding manner, a plurality of guiding rods arranged on the mounting plate and a first hydraulic cylinder connected with the mounting frame, the lengths of the plurality of guiding rods are different, and points where the end parts of the plurality of guiding rods are located on the same circular arc line;
the sliding block is positioned between the two guide groups, and the guide rod is abutted to the sliding block under the action of the first hydraulic cylinder.
2. The hydraulic thrustor for a steel box girder according to claim 1, wherein a support platform is slidably arranged on the upper side of the sliding block, second hydraulic cylinders are symmetrically arranged in the support platform, a baffle is arranged on the top of each of the two mounting frames, and the extending ends of the second hydraulic cylinders can abut against the baffle.
3. The hydraulic thrustor for a steel box girder according to claim 1, wherein the driving mechanism is a third hydraulic cylinder, and an output end of the third hydraulic cylinder is hinged to the sliding block through a connecting rod.
4. A hydraulic thruster for a steel box beam as set forth in claim 1 wherein a plurality of said guide rods are removably mounted on said mounting plate.
5. A hydraulic thrustor for a steel box girder according to claim 1, wherein the mounting plate is provided with a sleeve engaged with the guide rod, the sleeve is threadedly connected with a fixing bolt, and an end of the fixing bolt extends into the sleeve and abuts against the guide rod.
6. A hydraulic thruster for a steel box girder as claimed in claim 1 wherein the ends of the guide rods are provided with rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997084.0U CN217128033U (en) | 2022-04-24 | 2022-04-24 | Hydraulic pushing device for steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220997084.0U CN217128033U (en) | 2022-04-24 | 2022-04-24 | Hydraulic pushing device for steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217128033U true CN217128033U (en) | 2022-08-05 |
Family
ID=82650566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220997084.0U Active CN217128033U (en) | 2022-04-24 | 2022-04-24 | Hydraulic pushing device for steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217128033U (en) |
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2022
- 2022-04-24 CN CN202220997084.0U patent/CN217128033U/en active Active
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