CN106835995A - Erecting machine supporting leg can be turned down - Google Patents
Erecting machine supporting leg can be turned down Download PDFInfo
- Publication number
- CN106835995A CN106835995A CN201710151849.2A CN201710151849A CN106835995A CN 106835995 A CN106835995 A CN 106835995A CN 201710151849 A CN201710151849 A CN 201710151849A CN 106835995 A CN106835995 A CN 106835995A
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- supporting leg
- retractor device
- hole
- erecting machine
- retractor
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Erecting machine supporting leg can be turned down the invention discloses one kind, is related to field of bridge construction, including：Main body, it includes subject beam and is fixed on two main body longerons at subject beam two ends.Elevating mechanism, it includes two retractor devices and first crossbeam, and each retractor device is connected with a main body longeron, and elevating mechanism includes first driving means and locking device, and first driving means drive retractor device to stretch, and locking device limitation retractor device stretches.Turnover mechanism, it includes turning down bearing and the second drive device, turnover bearing is fixed on one end of main body longeron, and be connected with retractor device, retractor device can up and down be turned down by turning down bearing, allow body to be set a roof beam in place to pass through, and the second drive device is fixed between subject beam and first crossbeam, second drive device drives retractor device to turn down and position by extending and shrinking, moreover it is possible to turn down up and down.The present invention occupies little space, and is not required to increase whole height and can guarantee that body to be set a roof beam in place enters inside erecting machine.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to one kind can turn down erecting machine supporting leg.
Background technology
It is a very important construction task in bridge construction that bridge superstructure beam body sets up.Bridge beam body quantity
Many, volume is big, and weight is big, and the efficiency reduction duration is set up to improve beam body, is commonly designed erecting machine to carry out beam body erection construction.
Erecting machine is mainly made up of mechanisms such as girder, front leg strut, middle supporting leg, rear support leg, electrical system, hydraulic system, guard systems.Its
Middle rear support leg also needs to ensure that the smooth entrance of physical efficiency to be set a roof beam in place is set a roof beam in place except coordinating front leg strut, middle supporting leg to complete the walking of erecting machine
Inside machine.
In order to allow physical efficiency to be set a roof beam in place smoothly to enter inside erecting machine, traditional erecting machine is mainly by increasing between supporting leg
Spacing, using bending supporting leg or supporting leg high and set up supporting leg auxiliary bracket meet erect-position ensure beam body enter it is fashionable needed for sky
Between.But, in bridge half range beam body erection construction, working width is limited, spacing supporting leg wide and supporting leg auxiliary bracket limitation
Greatly；Bending supporting leg stress is big, there is structure security risk, while bending part protrudes, also takes segment space；And supporting leg meeting high
Causing integral body highly increases, and center of gravity is high, exists and topples over or rollover risk, is unfavorable for construction safety.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of structure safely, occupy little space
And whole height need not be increased can guarantee that body to be set a roof beam in place smoothly into the turned down erecting machine supporting leg inside erecting machine.
To achieve the above objectives, the present invention is adopted the technical scheme that：
One kind can turn down erecting machine supporting leg, including：
Main body, it includes subject beam and is separately fixed at two main body longerons at the subject beam two ends；
Elevating mechanism, it includes two retractor devices and the first crossbeam being fixed between two retractor devices, often
The individual retractor device is connected with a main body longeron respectively, and the elevating mechanism also includes first driving means and locking
Device, the first driving means drive the retractor device to stretch, and the locking device limits the flexible of the retractor device；
And
Turnover mechanism, it includes turning down bearing and the second drive device, and the turnover bearing is fixed on the main body longeron
It is connected with the retractor device near the side of the retractor device, and the turnover bearing, the retractor device can be by institute
State turnover bearing turn down up and down, allow body to be set a roof beam in place to pass through, second drive device be fixed on the subject beam and
Between first crossbeam, second drive device is extensible and retractable, and the retractor device can be driven to turn down up and down simultaneously
The retractor device is positioned.
On the basis of above-mentioned technical proposal, the main body longeron is additionally provided with hold-down support, and the hold-down support includes solid
Two side plates on the main body longeron are scheduled on, a groove is formed between described two side plates, the retractor device upper end is located at
In the groove, side plate hole is additionally provided with the side plate, the retractor device side relative with the side plate is provided with the 3rd hole,
When the retractor device is turned down up and down, the side plate hole can connect with the 3rd hole.
On the basis of above-mentioned technical proposal, the retractor device includes telescopic joint and is set in the telescopic joint outer wall
Basic section, the outer wall of the telescopic joint is supported on the inwall of the basic section, and the telescopic joint can be with the basic section phase
To sliding.
On the basis of above-mentioned technical proposal, the locking device includes the first hole being arranged on the telescopic joint, sets
Put the second hole on the basic section and locking bearing pin, during relative with the basic section slip of the telescopic joint, described first
Second hole connection described in Kong Keyu.
The first hole described in three rows is vertically provided with the basis of above-mentioned technical proposal, on the telescopic joint, it is each
Row is provided with two first holes；The second hole described in a row is vertically provided with the basic section, each row is provided with two
Second hole.
On the basis of above-mentioned technical proposal, the first driving means are the first hydraulic jack, and described second drives
Device is the second hydraulic jack.
On the basis of above-mentioned technical proposal, the erecting machine supporting leg that turns down also includes supporting mechanism, the support machine
Structure includes support beam, and the support beam is fixed with the lower end of two retractor devices, and the support beam includes top board and base plate,
The relatively described top board in the two ends of the base plate is additionally provided with external part.
On the basis of above-mentioned technical proposal, bracket structure, the bracket structure are additionally provided with the outside of the retractor device
The 4th hole is vertically provided with, the oil cylinder of first hydraulic jack is fixed on the bracket structure, first liquid
The piston rod of jack is pressed to be fixed on the external part through the 4th hole.
On the basis of above-mentioned technical proposal, the turnover mechanism also includes cylinder support, and the cylinder support is fixed on
On the subject beam, and one end of second drive device is arranged on the cylinder support.
On the basis of above-mentioned technical proposal, the turnover bearing is provided with turnover bearing pin, and the retractor device is turned over described
Folding bearing pin is for axial direction is upper and is turned over downwards.
Compared with prior art, the advantage of the invention is that：
Supporting leg in the present invention can be turned down, and disclosure satisfy that section beam body wide enters inside erecting machine.In addition, supporting leg
Spacing is small so that erecting machine can be used in limited construction width range.Additionally, supporting leg erect-position is steady, it is not necessary to set up
Other auxiliary construction things, structure stress safety so that erecting machine fuselage general safety good stability.
Brief description of the drawings
Fig. 1 is the front view that erecting machine supporting leg can be turned down in the present invention；
Fig. 2 is the left view that erecting machine supporting leg can be turned down in the present invention；
Fig. 3 is the stereogram that erecting machine supporting leg can be turned down in the present invention.
In figure：1- main bodys, 11- subject beams, 12- main body longerons, 121- hold-down supports, 122- side plates, 123- side plates hole,
124- fixed pin shafts, 2- elevating mechanisms, 21- retractor devices, 21a- telescopic joints, 21b- is saved substantially, the holes of 211- the 3rd, 22- first
Crossbeam, 23- first driving means, 24- locking devices, the holes of 241- first, the holes of 242- second, 243- locking bearing pins, 25- bracket knots
Structure, the holes of 251- the 4th, 3- turnover mechanisms, 31- turnover bearings, the drive devices of 32- second, 33- cylinder supports, 34- turnover bearing pins,
4- supporting mechanisms, 41- support beams, 411- top boards, 412- base plates, 413- external parts, 42- supporting leg hinged-supports, the hydraulic pressure thousand of 43- the 3rd
Jin top, 5- drive trains.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the present invention provides one kind and can turn down erecting machine supporting leg, and it includes main body 1, elevating mechanism 2, turnover
Mechanism 3 and supporting mechanism 4.
Main body 1 includes subject beam 11 and is separately fixed at two main body longerons 12 at the two ends of subject beam 11.
Elevating mechanism 2 includes two retractor devices 21 and the first crossbeam 22 being fixed between two retractor devices 21.Often
Individual retractor device 21 is connected with a main body longeron 12 respectively.Elevating mechanism 2 also includes first driving means 23 and locking device
24, first driving means 23 are used for driving retractor device 21 to stretch, and locking device 24 is used for limiting the flexible of retractor device 21.
Retractor device 21 includes telescopic joint 21a and is set in the basic section 21b of telescopic joint 21a outer walls in the present invention.It is flexible
Section 21a and basic section 21b are hollow type structure, and the outer wall of telescopic joint 21a is supported on the inwall of basic section 21b, in external force
In the presence of, telescopic joint 21a relative with the 21b generations of basic section can be slided.First driving means 23 in the present invention are the first liquid
Pressure jack, can be provided by the first hydraulic jack makes the external force of telescopic joint 21a slips relative with the 21b generations of basic section.
In order that slip is more smooth, butter uniformly can also be filled on the outer wall of telescopic joint 21a.
Locking device 24 includes the first hole 241 being arranged on telescopic joint 21a, the second hole being arranged on basic section 21b
21b is relative for 242 and locking bearing pin 243, telescopic joint 21a and basic section when sliding, and the first hole 241 can connect with the second hole 242.When
After first hole 241 can connect with the second hole 242, insertion locking bearing pin 243 can be locked telescopic joint 21a and basic section 21b
It is fixed.The present invention is vertically provided with three on telescopic joint 21a and ranked first hole 241, and each row is provided with two the first holes 241.
One being vertically provided with basic section 21b and ranked second hole 242, each row is provided with two the second holes 242.When telescopic joint 21a with
When basic section 21b occurs relative slip, the telescopic joint 21a under different retracted positions and basic section 21b can be locked.
Turnover mechanism 3, it includes turning down the drive device 32 of bearing 31 and second, and turnover bearing 31 is fixed on main body longeron 12
It is connected with retractor device 21 near the side of retractor device 21, and turnover bearing 31.
Second drive device 32 is fixed between subject beam 11 and first crossbeam 22, the second drive device 32 it is extending and
Shrink, retractor device 21 can be driven to turn down up and down and positioned to retractor device 21.Specifically, turning down bearing in the present invention
31 are provided with turnover bearing pin 34, and the second drive device 32 is axle to turn down bearing pin 34 by being extended and retracted to drive retractor device 21
Turn down up and down, allow body to be set a roof beam in place to pass through.The second drive device 32 in the present invention is the second hydraulic jack, and it leads to
Cross piston rod and oil cylinder to carry out elongation contraction, turnover mechanism 3 also includes the cylinder support 33 being fixed on subject beam 11, the
The oil cylinder of two hydraulic jacks is arranged on cylinder support 33, and the oil cylinder of the second hydraulic jack can be around the pin of cylinder support 33
Axle is rotated within the specific limits, and the piston termination of the second hydraulic jack is then fixed on first crossbeam 22, so that the second hydraulic pressure
Jack can be with subject beam 11 for axle is turned down.
Main body longeron 12 is additionally provided with hold-down support 121, and hold-down support 121 includes two sides being fixed on main body longeron 12
Plate 122, forms a groove between two side plates 122, the upper end of retractor device 21 is located in groove, and side plate is additionally provided with side plate 122
Hole 123, the side relative with side plate 122 of retractor device 21 is provided with the 3rd hole 211, when retractor device 21 is turned down up and down,
Side plate hole 123 can connect with the 3rd hole 211.Specifically, when retractor device 21 is folded to vertical state, now side plate hole 123
Connected with the 3rd hole 211, then locked by plugging fixed pin shaft 124, it is ensured that the supporting leg in the present invention vertically, now stretches
Device 21 can not be turned down.After fixed pin shaft 124 are extracted, under the driving effect of the second hydraulic jack, retractor device 21 is again
Can be turned down.When retractor device 21 is folded to the angle shown in Fig. 2, the contraction of the second hydraulic jack can
Retractor device 21 is prevented to fall after rise under gravity.
Supporting mechanism 4 includes support beam 41, and support beam 41 is fixed with the lower end of two retractor devices 21, and support beam 41 includes
Top board 411 and base plate 412, the two ends of base plate 412 are additionally provided with external part 413 with respect to top board 411.The outside of retractor device 21 also sets
There is bracket structure 25, bracket structure 25 is vertically provided with the 4th hole 251, and the oil cylinder of the first hydraulic jack is fixed on bracket
In structure 25, the piston rod of the first hydraulic jack is fixed on external part 413 through the 4th hole 251.
The lower section of base plate 412 is provided with hinged seat, is connected with supporting leg hinged-support 42 by bearing pin.The outside of supporting leg hinged-support 42 is provided with
Drive train 5, for supporting leg walking provides power.3rd hydraulic jack 43 is arranged on the inner side of supporting leg hinged-support 42, the 3rd hydraulic pressure
The oil cylinder of jack 43 is connected vertically by high-strength bolt with base plate 412.Under off working state, the work of the 3rd hydraulic jack 43
Stopper rod is supported on the bearing beam of ground, undertakes most of weight of superstructure, reduces the vertical applied force of supporting leg hinged-support 42.
The process of supporting leg turnover is as follows in the present invention：
1. the 3rd hydraulic jack 43 is shunk, and its piston rod end departs from ground bearing beam；
2. the stroke of the first hydraulic jack of slight regulation lifting, extracts the locking bearing pin 243 on basic section 21b；
3. the first hydraulic jack is shunk, and telescopic joint 21a outer walls are close to section 21b inwalls substantially and are slided upwards, supporting leg
Hinged-support 42 gradually leaves supporting surface, supporting leg Stepwize Shrink, when the of the first hole of telescopic joint 21a bottoms 241 and basic section 21b
When two hole 242 overlaps, insertion locking bearing pin 243；
4. the stroke of the second hydraulic jack of slight regulation, extracts the fixed pin shaft 124 on basic section 21b；
5. the pulling force of the second hydraulic jack contraction, the elevating mechanism 2 packed up and supporting mechanism 4 in the second hydraulic jack
Under effect, around turning down, bearing pin 34 is turned-out to be folded to specified altitude assignment.
Supporting leg in the present invention can be turned down, and disclosure satisfy that section beam body wide enters inside erecting machine.Further, since
Supporting leg spacing is small so that erecting machine can be used in limited construction width range.Additionally, supporting leg erect-position is steady, it is not necessary to
Set up other auxiliary construction things, structure stress safety so that erecting machine fuselage general safety good stability.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. one kind can turn down erecting machine supporting leg, it is characterised in that including：
Main body (1), it includes subject beam (11) and is separately fixed at two main body longerons at the subject beam (11) two ends
(12)；
Elevating mechanism (2), it include two retractor devices (21) and be fixed between two retractor devices (21) first
Crossbeam (22), each described retractor device (21) is connected with a main body longeron (12) respectively, and the elevating mechanism (2) is also
Including first driving means (23) and locking device (24), the first driving means (23) drive the retractor device (21) to stretch
Contracting, the locking device (24) limits the flexible of the retractor device (21)；And
Turnover mechanism (3), it includes turnover bearing (31) and the second drive device (32), and turnover bearing (31) is fixed on institute
Main body longeron (12) is stated near the side of the retractor device (21), and turnover bearing (31) and the retractor device (21)
It is connected, the retractor device (21) can up and down be turned down by turnover bearing (31), allow body to be set a roof beam in place to pass through, described
Second drive device (32) is fixed between the subject beam (11) and first crossbeam (22), second drive device (32)
It is extensible and retractable, the retractor device (21) can be driven to turn down up and down and positioned to the retractor device (21).
2. erecting machine supporting leg can be turned down as claimed in claim 1, it is characterised in that：The main body longeron (12) is additionally provided with fixation
Bearing (121), the hold-down support (121) includes two side plates (122) being fixed on the main body longeron (12), described two
A groove is formed between individual side plate (122), retractor device (21) upper end is located in the groove, on the side plate (122)
Side plate hole (123) is additionally provided with, the retractor device (21) side relative with the side plate (122) is provided with the 3rd hole (211), institute
When stating retractor device (21) and turning down up and down, the side plate hole (123) can connect with the 3rd hole (211).
3. erecting machine supporting leg can be turned down as claimed in claim 1, it is characterised in that：The retractor device (21) is including telescopic joint
(21a) and the basic section (21b) of the telescopic joint (21a) outer wall is set in, the outer wall of the telescopic joint (21a) is supported described
On the inwall of basic section (21b), and the telescopic joint (21a) relative with the basic section (21b) can be slided.
4. erecting machine supporting leg can be turned down as claimed in claim 3, it is characterised in that：The locking device (24) is including being arranged on
The first hole (241) on the telescopic joint (21a), the second hole (242) being arranged on the basic section (21b) and locking bearing pin
(243), the telescopic joint (21a) is relative with the basic section (21b) when sliding, and first hole (241) can be with described second
Hole (242) connects.
5. erecting machine supporting leg can be turned down as claimed in claim 3, it is characterised in that：Along vertical side on the telescopic joint (21a)
To the first hole (241) described in three rows are provided with, each row is provided with two first holes (241)；Along perpendicular on the basic section (21b)
Nogata is provided with two second holes (242) to the second hole (242) described in a row, each row is provided with.
6. erecting machine supporting leg can be turned down as claimed in claim 5, it is characterised in that：The first driving means (23) are first
Hydraulic jack, second drive device (32) is the second hydraulic jack.
7. erecting machine supporting leg can be turned down as claimed in claim 6, it is characterised in that：The erecting machine supporting leg that turns down also includes
Supporting mechanism (4), the supporting mechanism (4) includes support beam (41), the support beam (41) and two retractor devices
(21) lower end is fixed, and the support beam (41) includes top board (411) and base plate (412), and the two ends of the base plate (412) are relative
The top board (411) is additionally provided with external part (413).
8. erecting machine supporting leg can be turned down as claimed in claim 7, it is characterised in that：The outside of the retractor device (21) also sets
There is bracket structure (25), the bracket structure (25) is vertically provided with the 4th hole (251), first hydraulic jack
Oil cylinder is fixed on the bracket structure (25), and the piston rod of first hydraulic jack is solid through the 4th hole (251)
It is scheduled on the external part (413).
9. erecting machine supporting leg can be turned down as claimed in claim 1, it is characterised in that：The turnover mechanism (3) also includes oil cylinder
Bearing (33), the cylinder support (33) is fixed on the subject beam (11), and second drive device (32) one
End is arranged on the cylinder support (33).
10. erecting machine supporting leg can be turned down as claimed in claim 1, it is characterised in that：Turnover bearing (31) is provided with turnover
Bearing pin (34), the retractor device (21) is with turnover bearing pin (34) for axial direction is upper and is turned over downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151849.2A CN106835995A (en) | 2017-03-15 | 2017-03-15 | Erecting machine supporting leg can be turned down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151849.2A CN106835995A (en) | 2017-03-15 | 2017-03-15 | Erecting machine supporting leg can be turned down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106835995A true CN106835995A (en) | 2017-06-13 |
Family
ID=59144904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151849.2A Pending CN106835995A (en) | 2017-03-15 | 2017-03-15 | Erecting machine supporting leg can be turned down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106835995A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902354A (en) * | 2017-12-21 | 2018-04-13 | 合建卡特（芜湖）重工科技有限公司 | mobile bicycle |
| CN107901930A (en) * | 2017-12-21 | 2018-04-13 | 合建卡特（芜湖）重工科技有限公司 | Mobile trolley used rigid support mechanism |
| CN107934428A (en) * | 2017-12-21 | 2018-04-20 | 合建卡特（芜湖）重工科技有限公司 | Rubber-tyred trolley |
| CN107933691A (en) * | 2017-12-21 | 2018-04-20 | 合建卡特（芜湖）重工科技有限公司 | Mobile trolley used steering mechanism |
| CN108082024A (en) * | 2017-12-21 | 2018-05-29 | 合建卡特（芜湖）重工科技有限公司 | The trolley of cornering operation simplicity |
| CN108082870A (en) * | 2017-12-21 | 2018-05-29 | 合建卡特（芜湖）重工科技有限公司 | Reliable and stable heavy trolley |
| CN108099866A (en) * | 2017-12-21 | 2018-06-01 | 合建卡特（芜湖）重工科技有限公司 | Trolley supporting mechanism |
| CN108146323A (en) * | 2017-12-21 | 2018-06-12 | 合建卡特（芜湖）重工科技有限公司 | Trolley mobile unit |
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| CN206800198U (en) * | 2017-03-15 | 2017-12-26 | 中铁大桥局武汉桥梁特种技术有限公司 | Erecting machine supporting leg can be turned down |
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| CN201459607U (en) * | 2009-07-10 | 2010-05-12 | 邯郸中铁桥梁机械有限公司 | Gear rack transmission mechanism of single guide girder bridge erecting machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902354A (en) * | 2017-12-21 | 2018-04-13 | 合建卡特（芜湖）重工科技有限公司 | mobile bicycle |
| CN107901930A (en) * | 2017-12-21 | 2018-04-13 | 合建卡特（芜湖）重工科技有限公司 | Mobile trolley used rigid support mechanism |
| CN107934428A (en) * | 2017-12-21 | 2018-04-20 | 合建卡特（芜湖）重工科技有限公司 | Rubber-tyred trolley |
| CN107933691A (en) * | 2017-12-21 | 2018-04-20 | 合建卡特（芜湖）重工科技有限公司 | Mobile trolley used steering mechanism |
| CN108082024A (en) * | 2017-12-21 | 2018-05-29 | 合建卡特（芜湖）重工科技有限公司 | The trolley of cornering operation simplicity |
| CN108082870A (en) * | 2017-12-21 | 2018-05-29 | 合建卡特（芜湖）重工科技有限公司 | Reliable and stable heavy trolley |
| CN108099866A (en) * | 2017-12-21 | 2018-06-01 | 合建卡特（芜湖）重工科技有限公司 | Trolley supporting mechanism |
| CN108146323A (en) * | 2017-12-21 | 2018-06-12 | 合建卡特（芜湖）重工科技有限公司 | Trolley mobile unit |
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Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |