CN203475316U - Steel box beam auxiliary closuring longitudinally ejecting device - Google Patents
Steel box beam auxiliary closuring longitudinally ejecting device Download PDFInfo
- Publication number
- CN203475316U CN203475316U CN201320491550.9U CN201320491550U CN203475316U CN 203475316 U CN203475316 U CN 203475316U CN 201320491550 U CN201320491550 U CN 201320491550U CN 203475316 U CN203475316 U CN 203475316U
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- jack
- spike
- base
- thrustor
- case beam
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Abstract
The utility model discloses a steel box beam auxiliary closuring longitudinally ejecting device. The steel box beam auxiliary closuring longitudinally ejecting device comprises an ejecting mechanism arranged on one side of a beam. The ejecting mechanism comprises a base, the end portion of the inner side of the base is provided with a supporting plate, and the supporting plate is fixedly connected with a supporting cushion stone fixedly arranged on the beam. The base is provided with an ejecting device body connected with the base in a sliding mode, and the output end of the ejecting device body is connected with a corbel base for supporting a steel box beam. A detachable connecting plate is arranged between the ejecting device body and the supporting plate. By means of the steel box beam auxiliary closuring longitudinally ejecting device, the box beam can be ejected more accurately, safely and reliably.
Description
Technical field
The utility model relates to technical field of bridge construction, refers to particularly the longitudinal thrustor of a kind of steel case beam auxiliary closure.
Background technology
At present, equipment for bridge incremental launching mainly contains two classes, one class is to adopt steel strand to disperse the mode of traction, after completing closure section beam sections at two sides, with stiff skeleton, connect two beam sections, and traction steel strand and jack are set in beam section both sides, after closure section has been lifted by crane, by jack and the steel strand section of closure, draw close, reduce closure section width to complete closure.Another kind of is the mode that adopts hydraulic jack to carry out jacking horizontal sliding, jack is only set which and bracket jacking horizontal sliding steel case beam moves, jacking is to specifying jack after stroke to need for a long time in stress, and accurately oppositely positioning repeatedly, and safety is lower.Two class devices all cannot be accomplished accurate location, repeatedly positioning.And strengthen safety stock.
Therefore, need improve prior art.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, and a kind of more accurate and safe and reliable longitudinal thrustor of steel case beam auxiliary closure of pushing tow that makes case beam is provided.
The technical solution of the utility model is: the longitudinal thrustor of a kind of steel case beam auxiliary closure, it comprises the top-pushing mechanism that is arranged on crossbeam one side, described top-pushing mechanism comprises base, it is characterized in that: the medial end of described base is provided with gripper shoe, described gripper shoe is fixedly connected with the support pinner that is fixedly installed on crossbeam top; Described base is provided with the thrustor being slidably connected with it, and the output of described thrustor is connected with the bracket base for supporting steel case beam; Between described thrustor and gripper shoe, be provided with dismountable junction plate.
In such scheme:
Described gripper shoe is fixedly connected with the built-in fitting supporting in pinner by being embedded in gripper shoe.
Described thrustor comprises jack spike, and the horizontal both ends open of described jack spike is provided with jack in jack spike, and one end of described jack is fixed on junction plate, and the other end of jack is connected with bracket base by tube connector.
Between described jack spike and junction plate, be provided with backing plate after dismountable spike.
Between the lower end of described jack spike and base, be provided with polyfluortetraethylene plate, described polyfluortetraethylene plate is connected with base sliding, and polyfluortetraethylene plate is fixedly connected with jack spike.
Described top-pushing mechanism is symmetricly set on the two ends of crossbeam.
The utility model has the advantage of:
1) displacement restriction facilitates adjustable, safety factor is high: by selecting backing plate after the spike of different specifications, can make jack in the utility model there is vertical displacement restriction and adjust function, and after lifting jack unloading jacking force by junction plate and spike after backing plate bear, safety factor is high;
2) whole frequency modulation function is stable, controls accurately vertical non-displacement:
The utlity model has two jack pushing tows stressed, can accomplish accurate control, prevent that drift angle from producing, vertical force is born by vertical base, safe and reliable;
3) processing is simple, and cost is little, is convenient to install: after spike of the present utility model, backing plate and junction plate all adopt the easy prepared materials such as steel pipe, and material is simply convenient to make, and can gather materials on the spot, and single-piece weight is little, can reconcile according to construction requirement, installs simple and convenient;
4) can longitudinal positive and negative two-phase pushing tow, jacking force discharges controlled: the utility model arranges two-way pushing jack and for backing plate after spacing spike, and to facilitate the intense adjustment the contraposition time, two-way pushing pressure release counter-force is controlled, increases safety factor;
5) case beam has joined the two sections of a bridge, etc rear for convenience detach: the utility model arranges power transmission tube connector, after having joined the two sections of a bridge, etc, can cut off, and facilitates thrustor dismounting.
Accompanying drawing explanation
Fig. 1 is the utility model structural front view;
Fig. 2 is the top-pushing mechanism structural representation in the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The longitudinal thrustor of a kind of steel case beam auxiliary closure as shown in Figure 1, it comprises the top-pushing mechanism that is symmetricly set on crossbeam 10 both sides, described top-pushing mechanism comprises base 1, and the medial end of base 1 is provided with gripper shoe 2, and gripper shoe 2 is fixedly connected with the support pinner 9 that is fixedly installed on crossbeam 10 tops; Base 1 is provided with the thrustor being slidably connected with it, and the output of thrustor is connected with the bracket base 4 for supporting steel case beam 12; Between thrustor and gripper shoe 2, be provided with dismountable junction plate 6.
In the present embodiment:
Gripper shoe 2 is fixedly connected with the built-in fitting 3 supporting in pinner 9 by being embedded in gripper shoe 2.
Thrustor comprises jack spike 8, and the horizontal both ends open of jack spike 8 is provided with jack 7 in jack spike 8, and one end of jack 7 is fixed on junction plate 6, and the other end of jack 7 is connected with bracket base 4 by tube connector 11.
Between jack spike 8 and junction plate 6, be provided with backing plate 5 after dismountable spike, by selecting backing plate 5 after the spike of different size, can make jack 7 in the utility model there is vertical displacement restriction and adjust function.
Between the lower end of jack spike 8 and base 1, be provided with polyfluortetraethylene plate, polyfluortetraethylene plate and base 1 are slidably connected, and polyfluortetraethylene plate is fixedly connected with jack spike 8, can realize being like this slidably connected of base 1 and thrustor.
During steel case beam 12 one-sided pushing tow, adopt jack full hydraulic system, start jack 7 pushing tows, one-sided jack 7 pushing tow bracket bases 4 are to requiring stroke, and backing plate 5 after the jack spike 8 rear side cushioning spikes of this side, prevents steel case beam reverse shuffle.Jack 7 pressure release oil returns.After pushing tow completes, if single stroke is not enough, can increases cushion block at jack 7 front ends, then repeat said process.
Before the reverse pushing tow of steel case beam 12, need first to carry out its one-sided pushing tow, during to its reverse pushing tow, the jack 7 of one side starts in advance, take out backing plate 5 after the spike after this side jack spike 8, for the reverse pushing tow of steel case beam 12 provides pushing tow stroke, these side jack 7 pressure release oil returns, slowly discharge pushing tow horizontal force.Start subsequently the jack of opposite side, by the reverse pushing tow of steel case beam 12, to requiring position, backing plate 5 after the rear interpolation spike of jack spike 8 of this side, prevents steel case beam reverse slide after pushing tow.
The utility model can be realized along bridge to pushing tow displacement, and can carry out positive and negative two-phase pushing tow, oppositely pushing tow and return are all controlled, and control jacking force of the present utility model discharges and loading accuracy is many, potential safety hazard while having eliminated due to other method pushing tow, makes pushing tow safety and reliability.
Claims (6)
1. the longitudinal thrustor of steel case beam auxiliary closure, it comprises the top-pushing mechanism that is arranged on crossbeam (10) one sides, described top-pushing mechanism comprises base (1), it is characterized in that: the medial end of described base (1) is provided with gripper shoe (2), described gripper shoe (2) is fixedly connected with the support pinner (9) that is fixedly installed on crossbeam (10) top; Described base (1) is provided with the thrustor being slidably connected with it, and the output of described thrustor is connected with the bracket base (4) for supporting steel case beam (12); Between described thrustor and gripper shoe (2), be provided with dismountable junction plate (6).
2. the longitudinal thrustor of steel case beam auxiliary closure according to claim 1, is characterized in that: described gripper shoe (2) is fixedly connected with the built-in fitting (3) supporting in pinner (9) by being embedded in gripper shoe (2).
3. the longitudinal thrustor of steel case beam auxiliary closure according to claim 1, it is characterized in that: described thrustor comprises jack spike (8), the horizontal both ends open of described jack spike (8), in jack spike (8), be provided with jack (7), it is upper that one end of described jack (7) is fixed on junction plate (6), and the other end of jack (7) is connected with bracket base (4) by tube connector (11).
4. the longitudinal thrustor of steel case beam auxiliary closure according to claim 3, is characterized in that: between described jack spike (8) and junction plate (6), be provided with backing plate (5) after dismountable spike.
5. the longitudinal thrustor of steel case beam auxiliary closure according to claim 3, it is characterized in that: between the lower end of described jack spike (8) and base (1), be provided with polyfluortetraethylene plate, described polyfluortetraethylene plate and base (1) are slidably connected, and polyfluortetraethylene plate is fixedly connected with jack spike (8).
6. the longitudinal thrustor of steel case beam auxiliary closure according to claim 1, is characterized in that: described top-pushing mechanism is symmetricly set on the two ends of crossbeam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491550.9U CN203475316U (en) | 2013-08-12 | 2013-08-12 | Steel box beam auxiliary closuring longitudinally ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491550.9U CN203475316U (en) | 2013-08-12 | 2013-08-12 | Steel box beam auxiliary closuring longitudinally ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203475316U true CN203475316U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320491550.9U Expired - Lifetime CN203475316U (en) | 2013-08-12 | 2013-08-12 | Steel box beam auxiliary closuring longitudinally ejecting device |
Country Status (1)
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| CN (1) | CN203475316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908632A (en) * | 2016-05-28 | 2016-08-31 | 中交公局第三工程有限公司 | Hybrid girder cable-stayed bridge closure front girder body pre-bias pushing device |
| CN106087713A (en) * | 2016-08-25 | 2016-11-09 | 中铁五局集团路桥工程有限责任公司 | Stiff skeleton is locked outside a kind of assembled closure section |
| CN109252446A (en) * | 2018-08-28 | 2019-01-22 | 中交武汉港湾工程设计研究院有限公司 | Steel box-girder longitudinal direction pushing closure constructing device and its construction method |
-
2013
- 2013-08-12 CN CN201320491550.9U patent/CN203475316U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908632A (en) * | 2016-05-28 | 2016-08-31 | 中交公局第三工程有限公司 | Hybrid girder cable-stayed bridge closure front girder body pre-bias pushing device |
| CN106087713A (en) * | 2016-08-25 | 2016-11-09 | 中铁五局集团路桥工程有限责任公司 | Stiff skeleton is locked outside a kind of assembled closure section |
| CN106087713B (en) * | 2016-08-25 | 2018-06-22 | 中铁五局集团路桥工程有限责任公司 | Stiff skeleton is locked outside a kind of assembled closure section |
| CN109252446A (en) * | 2018-08-28 | 2019-01-22 | 中交武汉港湾工程设计研究院有限公司 | Steel box-girder longitudinal direction pushing closure constructing device and its construction method |
| CN109252446B (en) * | 2018-08-28 | 2020-07-10 | 中交武汉港湾工程设计研究院有限公司 | Steel box girder longitudinal pushing closure construction device and construction method thereof |
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