CN209686254U - A kind of folding retractable support leg device - Google Patents
A kind of folding retractable support leg device Download PDFInfo
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- CN209686254U CN209686254U CN201920289779.1U CN201920289779U CN209686254U CN 209686254 U CN209686254 U CN 209686254U CN 201920289779 U CN201920289779 U CN 201920289779U CN 209686254 U CN209686254 U CN 209686254U
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- distribution beam
- guide post
- flexible guide
- supporting leg
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Abstract
The utility model relates to a kind of folding retractable support leg devices, it includes ground beam, the ground beam is fixedly arranged above distribution beam, distribution beam left and right ends are equipped with left inside set and right inner sleeve, the left inside set and right inner sleeve two sides are provided with the first slideway, distribution beam hydraulic cylinder is provided between the left inside set and right inner sleeve, the distribution beam top is additionally provided with the second slideway and traversing oil cylinder, flexible guide post is further fixed on above the distribution beam, the flexible guide post is made of outer bush and inner guiding post, outer bush upper end side is connect with jacking cylinder bottom end, inner guiding post lower end side is connect with jacking cylinder jacking end, the outer bush is connected by middle supporting leg upper beam with middle supporting leg lower beam, the flexible guide post upper end is fixed with twisted seat, the middle supporting leg upper beam and folding ram inner guiding post are hinged, the folding ram bottom end is fixed on main tank On beam crossbeam；The utility model has the advantages that structurally reasonable, work efficiency is high, safe coefficient is high.
Description
Technical field
The utility model belongs to Bridge Erector technical field, and in particular to a kind of folding retractable support leg device.
Background technique
Bridge Erector is exactly the equipment being placed into prefabricated beam piece on prefabricated bridge pier, and Bridge Erector belongs to crane model
Farmland, major function are to lift beam piece, are put down after being then transported to designated position, Bridge Erector and crane in general sense
Be very different, it is required that condition it is harsh, and there are beam on piece travelings, or cry vertical shift, and Bridge Erector is divided into erection public affairs
Road and bridge, conventional railway bridge, railway of passengers' private line bridge etc. is several, and with the high speed development of China's expressway construction, the basis in China is built
If also achieving significant progress, the development of Bridge Erector technology is further promoted, the use of Bridge Erector makes the bridge construction duration
It greatly shortens, also provides equipment to a certain extent for the construction of heavy construction and support, but in the transition of Bridge Erector, lifting
Process is there is still a need for a lot of manpower and time resource is expended, at present if encountered in country's Multiple Type Bridge Erector erection process
When the operating conditions such as abutment, hanging beam, roadbed, transition, the middle supporting leg of Bridge Erector generally requires to remove, if using manual demolition machinery
If fitting method, working efficiency is very low, and reinstalls and take time and effort, and there is also very big security risks.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of structurally reasonable, working efficiency
Support leg device in foldable Bridge Erector high, safe coefficient is high.
Purpose of the utility model is realized as follows: a kind of folding retractable support leg device, it includes ground beam, the ground beam
It is fixedly arranged above distribution beam, the distribution beam is telescoping mechanism, and distribution beam left and right ends are respectively equipped with left inside set and right inner sleeve, institute
It states left inside set and right inner sleeve two sides is provided with the first slideway, be provided with distribution beam hydraulic oil between the left inside set and right inner sleeve
Cylinder, the distribution beam middle part are additionally provided with the second slideway and traversing oil cylinder, and the traversing oil cylinder bottom end is fixedly connected on distribution beam
Middle part, the traversing cylinder jacking end are fixedly connected on distribution beam sides, and the distribution beam top is further fixed on flexible guide post, institute
Flexible guide post is stated to be made of outer bush and inner guiding post, the outer bush side is fixedly connected with jacking cylinder housing, it is described in lead
Column lower end side is fixedly connected with jacking cylinder jacking end, and the outer bush is connected by middle supporting leg upper beam and middle supporting leg lower beam
It connects, the flexible guide post upper end is fixed with twisted seat, and the twisted seat is fixed below main tank beam, the middle supporting leg upper beam and folding
Oil cylinder inner guiding post is hinged, and the folding ram bottom end is fixed on main tank beam crossbeam, is also provided at two on the main tank beam crossbeam
A boom is provided with pumping plant in the main tank beam.
The jacking cylinder is set as two, it is possible to provide bigger loading force meets larger range of construction demand.
The jacking cylinder is controlled simultaneously by a reversal valve, guarantees synchronous accuracy and balanced valve and speed regulation is arranged
Valve, play the role of hydraulic cylinder rod position be maintained, rodless cavity oil return when keep back pressure.
The folding ram can make legs fold or stretching, extension in Bridge Erector according to job requirements, and it is existing to well adapt to construction
The multiple changeable situation in field, keeps the scope of application of Bridge Erector more wide.
The place that the flexible guide post inner guiding post is connect with distribution beam is additionally provided with floor, it is possible to reduce jacking cylinder work
When the vibration that generates, and connect more secured, improve safety, the reliability of device.
The pumping plant is integrated in main tank beam, is local operation, is reduced construction operation area, reduce in work progress
The risk factor that may occur.
The utility model has the beneficial effects that the utility model is a kind of folding retractable support leg device, the Bridge Erector course of work
Middle its front leg strut of needs, middle supporting leg, rear support leg are worked in coordination work；Middle supporting leg sets jacking hydraulic system, and Bridge Erector is worked
Cheng Zhong, after supporting leg is supported on concrete box girder support top position in rear support leg and the driving Bridge Erector arrival of front leg strut running mechanism,
By the middle outrigger support state of middle supporting leg hydraulic lifting oil cylinder adjustment Bridge Erector, front leg strut telescopic oil cylinder work, before making Bridge Erector
Supporting leg is lifted to be left with bridge pier, and front leg strut is forwarded to next bridge pier, and task, front leg strut push up front leg strut telescopic oil cylinder upwards again
Rise contact with bridge main beam after, continue upper top bridge owner's Liang Sicheng be not less than 200mm, middle supporting leg help under, bridge main beam to
Lower falling is completely supported on front leg strut, and front leg strut is in place, into the state of setting a roof beam in place.It is supported on beam-ends when Bridge Erector via hole, is bridge
The front fulcrum of machine via hole, ground top surface of the beam setting slideway and traversing oil cylinder, complete machine can realize a tentering under the action of traversing oil cylinder
The yaw of degree, so that the erection of curved bridge aligns；Ground beam is telescoping mechanism, needs that inner sleeve is first extend out to support level when operating with
It sets, 3cm rubber pad need to be padded at the support of both ends, midfoot support pads 2cm steel plate, can adjust branch cushion state by on-site actual situations, protect
Supporting leg pads in card.Girder bottom is hung on by folding ram contraction when middle supporting leg is set a roof beam in place.Since Bridge Erector figure is huge, fortune
It generally requires to split into several segments transport during defeated, assembles after transporting to construction site, kept away using the utility model design method again
The dismounting for having exempted from supporting leg in Bridge Erector is very helpful for shortening construction period, and the construction personnel needed also accordingly subtracts
It is few, construction cost is reduced, the utility model has the advantages that structurally reasonable, work efficiency is high, safe coefficient is high.
Detailed description of the invention
Fig. 1 is a kind of folding retractable support leg device structural schematic diagram of the utility model.
Fig. 2 is a kind of folding retractable support leg device of the utility model left side structural schematic diagram.
Fig. 3 is a kind of folding retractable support leg device distribution beam structural schematic diagram of the utility model.
In figure: 1, ground beam 2, distribution beam 3, left inside set 4, right inner sleeve 5, the first slideway 6, distribution beam hydraulic oil
Cylinder 7, the second slideway 8, traversing oil cylinder 9, flexible guide post 10, outer bush 11, inner guiding post 12, jacking cylinder 13
Middle supporting leg upper beam 14, twisted seat 16, main tank beam 17, folding ram inner guiding post 18, folds middle supporting leg lower beam 15
Oil cylinder 19, main tank beam crossbeam 20, boom 21, pumping plant 22, floor.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of folding retractable support leg device, it includes ground beam 1, fixed above the ground beam 1
There is a distribution beam 2, the distribution beam 2 is telescoping mechanism, and left and right ends are equipped with left inside set 3 and right inner sleeve 4, in the left inside set and the right side
Set two sides are provided with the first slideway 5, are provided with distribution beam hydraulic cylinder 6, the distribution between the left inside set 3 and right inner sleeve 4
Back end is additionally provided with the second slideway 7 and traversing oil cylinder 8, and flexible guide post 9 is further fixed on above the distribution beam 2, described flexible
Guide post is made of outer bush 10 and inner guiding post 11, and the 10 upper end side of outer bush is connect with 12 upper end of jacking cylinder, described interior
11 lower end side of guide post and 12 liters of jacking cylinder top end connect, and the outer bush 10 is by horizontal under middle supporting leg upper beam 13 and middle supporting leg
Beam 14 connects, and flexible 9 upper end of guide post is fixed with twisted seat 15, and the twisted seat 15 is fixed on 16 lower section of main tank beam, the middle branch
Leg upper beam 13 and folding ram inner guiding post 17 are hinged, and 18 bottom end of folding ram is fixed on main tank beam crossbeam 19, described
It is also provided at two booms 20 on main tank beam crossbeam 19, is additionally provided with pumping plant 21 in the main tank beam.
The utility model is a kind of folding retractable support leg device, and middle supporting leg sets jacking hydraulic system, when rear support leg and preceding branch
After supporting leg is supported on concrete box girder support top position in the driving Bridge Erector arrival of leg running mechanism, by middle supporting leg hydraulic lifting oil cylinder
The middle outrigger support state of 8 adjustment Bridge Erectors, the work of front leg strut telescopic oil cylinder are lifted front outrigger for bridge girder erection machine and are left with bridge pier,
Front leg strut is forwarded to next bridge pier, front leg strut telescopic oil cylinder task again, front leg strut jacks upwards contacted with bridge main beam after,
Continue upper top bridge owner's Liang Sicheng not less than 200mm, under the help of middle supporting leg, bridge main beam, which is fallen after rise downwards, is completely supported at preceding branch
On leg, front leg strut is in place, into the state of setting a roof beam in place.
Since Bridge Erector figure is huge, generally requires to split into several segments transport in transportational process, transport to behind construction site again
Assembling, the dismounting of supporting leg in Bridge Erector is avoided using the utility model design method, is had for shortening construction period very big
It helps, and the construction personnel needed is also accordingly reduced, and reduces construction cost.The utility model has structurally reasonable, work effect
The advantage that rate is high, safe coefficient is high.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 3, it is supported on beam-ends when Bridge Erector via hole, is the front fulcrum of bridge machine via hole, on ground beam 1
Side is fixed with distribution beam 2, and the distribution beam 2 is telescoping mechanism, and left and right ends are equipped with left inside set 3 and right inner sleeve 4, the left inside set
Right inner sleeve two sides are provided with the first slideway 5, complete machine can realize the yaw of certain amplitude under the action of traversing oil cylinder 8, so as to
The erection of curved bridge aligns.Distribution beam 2 is telescoping mechanism, needs that left inside set 3 and right inner sleeve 4 are first extend out to support when operating with
Position need to pad 3cm rubber pad at the support of both ends, and midfoot support pads 2cm steel plate, can adjust branch cushion state by on-site actual situations,
Supporting leg pads in guarantee, is hung on 16 bottom of main tank beam by the contraction of folding ram 18 when middle supporting leg is set a roof beam in place.
Jacking cylinder is set as 2.
Jacking cylinder acts synchronization in jacking or decline.
The place that the inner guiding post of flexible guide post is connect with distribution beam is additionally provided with floor.
Twisted seat is fixed by bolts with flexible guide post.
Since Bridge Erector figure is huge, generally requires to split into several segments transport in transportational process, transport to behind construction site again
Assembling, the dismounting of supporting leg in Bridge Erector is avoided using the utility model design method, is had for shortening construction period very big
It helps, and the construction personnel needed is also accordingly reduced, reduces construction cost, the utility model has structurally reasonable, work effect
The advantage that rate is high, safe coefficient is high.
Claims (5)
1. a kind of folding retractable support leg device, it includes ground beam, it is characterised in that: the ground beam is fixedly arranged above distribution beam, institute
Stating distribution beam is telescoping mechanism, and distribution beam left and right ends are respectively equipped with left inside set and right inner sleeve, the left inside set and right inner sleeve two
Side is provided with the first slideway, and distribution beam hydraulic cylinder is provided between the left inside set and right inner sleeve, is gone back in the middle part of the distribution beam
It is provided with the second slideway and traversing oil cylinder, the traversing oil cylinder bottom end is fixedly connected in the middle part of distribution beam, the traversing oil cylinder top
It rises end and is fixedly connected on distribution beam sides, the distribution beam top is further fixed on flexible guide post, and the flexible guide post is by outer bush
It is formed with inner guiding post, the outer bush side is fixedly connected with jacking cylinder housing, inner guiding post lower end side and jacking oil
Cylinder jacking end is fixedly connected, and the outer bush is connected by middle supporting leg upper beam with middle supporting leg lower beam, the flexible guide post upper end
It is fixed with twisted seat, the twisted seat is fixed below main tank beam, and the middle supporting leg upper beam and folding ram inner guiding post are hinged, described
Folding ram bottom end is fixed on main tank beam crossbeam, is also provided at two booms on the main tank beam crossbeam, in the main tank beam
It is provided with pumping plant.
2. a kind of folding retractable support leg device according to claim 1, it is characterised in that: the jacking cylinder is set as 2
It is a.
3. a kind of folding retractable support leg device according to claim 1 or 2, it is characterised in that: the jacking cylinder is pushing up
Movement synchronizes when rising or declining.
4. a kind of folding retractable support leg device according to claim 1, it is characterised in that: the inner guiding post of the flexible guide post
The place connecting with distribution beam is additionally provided with floor.
5. a kind of folding retractable support leg device according to claim 1, it is characterised in that: the twisted seat is adopted with flexible guide post
It is fixed with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289779.1U CN209686254U (en) | 2019-03-07 | 2019-03-07 | A kind of folding retractable support leg device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289779.1U CN209686254U (en) | 2019-03-07 | 2019-03-07 | A kind of folding retractable support leg device |
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| CN209686254U true CN209686254U (en) | 2019-11-26 |
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| CN201920289779.1U Active CN209686254U (en) | 2019-03-07 | 2019-03-07 | A kind of folding retractable support leg device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174833A (en) * | 2021-04-14 | 2021-07-27 | 合肥正浩机械科技有限公司 | Self-loading and unloading mechanism for emergency trestle equipment |
| CN116136179A (en) * | 2023-04-03 | 2023-05-19 | 江西蓝翔重工有限公司 | Disconnect-type support platform |
-
2019
- 2019-03-07 CN CN201920289779.1U patent/CN209686254U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174833A (en) * | 2021-04-14 | 2021-07-27 | 合肥正浩机械科技有限公司 | Self-loading and unloading mechanism for emergency trestle equipment |
| CN116136179A (en) * | 2023-04-03 | 2023-05-19 | 江西蓝翔重工有限公司 | Disconnect-type support platform |
| CN116136179B (en) * | 2023-04-03 | 2023-11-21 | 江西蓝翔重工有限公司 | Disconnect-type support platform |
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