CN104727228A - Telescopic landing leg device for tunnel bridge construction machine - Google Patents
Telescopic landing leg device for tunnel bridge construction machine Download PDFInfo
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- CN104727228A CN104727228A CN201510147384.4A CN201510147384A CN104727228A CN 104727228 A CN104727228 A CN 104727228A CN 201510147384 A CN201510147384 A CN 201510147384A CN 104727228 A CN104727228 A CN 104727228A
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- oil cylinder
- telescopic mast
- level
- telescopic
- lower horizontal
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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
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A telescopic landing leg device for tunnel bridge construction machine comprises two sets of first-level telescopic structures, two sets of second-level telescopic structures and lower lateral combination. Each first-level telescopic structure is arranged below a girder outside column of the bridge construction machine, each second-level telescopic structure is arranged below the corresponding first-level telescopic structure, and the lower lateral combination is arranged below the two sets of second-level telescopic structures. Each first-level telescopic structure comprises a first-level telescopic column and a first-level telescopic oil cylinder. An automatic bolt device comprises a connecting beam, a bolt oil cylinder and a first pin shaft, wherein one end of the connecting beam is welded and fixed to the girder outside column, the other end of the connecting beam fixes the oil cylinder body of the bolt oil cylinder, and the tail end of the telescopic rod is connected with the first pin shaft through a hinge pin. Therefore, in the specific using process, the disassembly problem and the standing position problem after landing legs are disassembled do not need to be considered, the telescopic landing leg device has the advantages of being rapid in control, stable in operation, and the working efficiency and the comprehensive utilization rate of the bridge construction machine are improved greatly.
Description
Technical field
The present invention relates to the technical field of tunnel bridge formation machinery, particularly relate to a kind of tunnel Bridge Erector telescopic support leg device.
Background technology
Along with deepening constantly of railway construction construction, there is a large amount of Bridge-wire fusing time problems, particularly especially obvious in mountain terrain construction, may occur in tunnel crossing over solution cavity section in tunnel simultaneously, need box girder erection in tunnel.Cross the Bridge Erector of the large-scale general that tunnel Bridge Erector arises at the historic moment for this phenomenon.The middle supporting leg of usual Bridge Erector is on the one hand in order to meet passing through of case beam, on the other hand in order to meet hanging beam and the support requirement of the beam operation that falls, middle supporting leg is C type structure, because C type structure will carry additional moment of flexure, so huger by C type supporting leg, in order to meet the face size in tunnel, C type supporting leg is designed to hinge pin with girder outboard end and is connected, the appearance and size of Bridge Erector is reduced, to meet the requirement in tunnel by upset.
Therefore, adopt the connected mode of supporting leg and girder in existing tunnel Bridge Erector excessively to meet to set a roof beam in place in tunnel face zero distance, negative Distance geometry tunnel, and the construction workload in each tunnel is excessively large, long construction period, construction cost is high, also there is very large potential safety hazard.
For this reason, designer of the present invention is because above-mentioned defect, and by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of tunnel Bridge Erector telescopic support leg device, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of tunnel Bridge Erector telescopic support leg device, this telescopic outrigger not only design safety reliable, easy and simple to handle, the operation of setting a roof beam in place that can realize in tunnel face zero distance, negative distance and tunnel can be dismantled, drastically increase operating efficiency and the comprehensive utilization ratio of Bridge Erector.
For solving the problem, the invention discloses a kind of tunnel Bridge Erector telescopic support leg device, comprising two cover one-level stretching structures, two cover secondary stretching structure and lower horizontal-associates, it is characterized in that:
Each described one-level stretching structure is arranged at below the girder column jacket of Bridge Erector respectively, and each described secondary stretching structure is arranged at the below of one-level stretching structure, and described lower horizontal-associate is arranged at the below of two cover secondary stretching structures;
Described one-level stretching structure comprises one-level telescopic mast and one-level telescopic oil cylinder, described one-level telescopic mast is hollow sleeve, its upper end can be inserted in the hollow groove of girder column jacket, the oil cylinder body of described one-level telescopic oil cylinder is fixed in described one-level telescopic mast, the end of expansion link is connected to the top of the hollow groove of girder column jacket, thus realizes the sliding extension of one-level telescopic mast in girder column jacket;
Also comprise automatic pinning device, described automatic pinning device comprises tie-beam, plugging pin oil cylinder and the first bearing pin, wherein one end of tie-beam and the outer rim of girder column jacket are welded and fixed, the other end is bolted the oil cylinder body of described plugging pin oil cylinder, the expansion link end of described plugging pin oil cylinder is by hinge pin and the first pinned connection, and described girder column jacket and one-level telescopic mast are provided with for the through pin-and-hole of described first bearing pin.
Wherein: described secondary stretching structure comprises secondary telescopic mast and two-stage telescopic cylinder, described secondary telescopic mast is hollow sleeve, its upper end can be inserted in one-level telescopic mast, the oil cylinder body of described two-stage telescopic cylinder is fixed in described one-level telescopic mast, the end of expansion link is connected in secondary telescopic mast, thus realizes the sliding extension of secondary telescopic mast in one-level telescopic mast.
Wherein: described secondary telescopic mast is crossed derrick rig with bottom rail UNICOM and is connected, described derrick rig comprises pull bar, suspension rod and arm-tie, described pull bar runs through the interior also tail end of secondary telescopic mast and passes through nut check, described arm-tie welds with lower horizontal-associate, and the two ends of described suspension rod can be fixed respectively by bolt and pull bar, arm-tie.
Wherein: be also provided with post between described secondary telescopic mast and lower horizontal-associate and cut with scissors structure, described post hinge structure comprises the column base of column cap and the lower horizontal-associate upper surface being positioned at secondary telescopic mast bottom.
Wherein: in the middle part of the soffit of described lower horizontal-associate, be provided with an extension block, the both sides of described extension block are respectively equipped with a transverse moving structure, each described transverse moving structure comprises sideslip oil cylinder and traversing supporting seat, the oil cylinder body of described sideslip oil cylinder is fixed to extension block, the end of expansion link is fixed to traversing supporting seat, and described traversing supporting seat is positioned at the soffit of described lower horizontal-associate.
Wherein: be provided with four oil cylinder supporting legs in described lower horizontal-associate, the oil cylinder body of described oil cylinder supporting leg is fixed on described lower horizontal-associate, and the end of expansion link is supported in beam face by supporting seat, thus, traversing supporting seat can realize horizontal and vertical on displacement.
Known by said structure, tunnel of the present invention Bridge Erector telescopic support leg device has following effect:
1, structure is simple, easy to operate, applied widely;
2, the erect-position problem after not needing consideration dismounting and telescopic outrigger to disassemble in concrete use procedure, the features such as therefore telescopic telescopic outrigger realizes handling fast, operation is steady, effectively improve operating efficiency and the comprehensive utilization ratio of Bridge Erector.
Detailed content of the present invention obtains by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 shows the scheme of installation of tunnel of the present invention Bridge Erector telescopic support leg device.
Fig. 2 is the left view of Fig. 1.
Fig. 2 A is the sectional view of A-A in Fig. 2.
Fig. 3 A, 3B are Fig. 2 middle hanger device views.
Fig. 4 is automatic pinning device partial view in Fig. 2.
Fig. 5 is the flexible rear effect diagram intention of Fig. 2.
Fig. 6 is the B-B profile that Fig. 2 removes telescopic oil cylinder.
In figure, 1 is girder column jacket; 2 is one-level telescopic mast; 3 is one-level telescopic oil cylinder; 4 is secondary telescopic mast; 5 is two-stage telescopic cylinder; 6 is lower horizontal-associate; 7 is sleeper; 8 is sideslip oil cylinder; 9 is traversing supporting seat; 10 is oil cylinder supporting leg; 11 is derrick rig; 12 is the second bearing pin; 13 is automatic pinning device; 41 is column cap, and 61 is column base; 111 is pull bar, 112 suspension rods, and 113 is arm-tie; 131 is tie-beam, and 132 is plugging pin oil cylinder, and 133 is the first bearing pin.
Detailed description of the invention
See Fig. 1 to Fig. 6, show tunnel of the present invention Bridge Erector telescopic support leg device.
Described tunnel Bridge Erector telescopic support leg device comprises two cover one-level stretching structures, two cover secondary stretching structure and lower horizontal-associates 6.
Each described one-level stretching structure is arranged at below the girder column jacket 1 of Bridge Erector respectively, and each described secondary stretching structure is arranged at the below of one-level stretching structure, and described lower horizontal-associate 6 is arranged at the below of two cover secondary stretching structures.
Wherein, described one-level stretching structure comprises one-level telescopic mast 2 and one-level telescopic oil cylinder 3, described one-level telescopic mast 2 is hollow sleeve, its upper end can be inserted in the hollow groove of girder column jacket 1, the oil cylinder body of described one-level telescopic oil cylinder 3 is fixed in described one-level telescopic mast 2, the end of expansion link is connected to the top of the hollow groove of girder column jacket 1, thus realizes the sliding extension of one-level telescopic mast 2 in girder column jacket 1 by the flexible of one-level telescopic oil cylinder 3.
Wherein, also comprise automatic pinning device 13, see Fig. 4, described automatic pinning device 13 comprises tie-beam 131, plugging pin oil cylinder 132 and the first bearing pin 133, wherein one end of tie-beam 131 and the outer rim of girder column jacket 1 are welded and fixed, the other end is bolted the oil cylinder body of described plugging pin oil cylinder 132, the expansion link end of described plugging pin oil cylinder 132 is connected with the first bearing pin 133 by hinge pin, described girder column jacket 1 and one-level telescopic mast 2 are provided with for the through pin-and-hole of described first bearing pin 133, thus, automatic pinning device can realize the automatic pinning of one-level stretching structure and girder column jacket, without the need to manual operation, more convenient and quick.
Optionally, described girder column jacket 1 and one-level telescopic mast 2 also can be provided with slip location structure, described slip location structure can comprise at least two rail plates that at least two sliding guide grooves be oppositely arranged in girder column jacket 1 hollow groove and one-level telescopic mast 2 outer rim correspondence are arranged, and is convenient to the slip fast and accurately between girder column jacket 1 and one-level telescopic mast 2.
Wherein, described secondary stretching structure comprises secondary telescopic mast 4 and two-stage telescopic cylinder 5, described secondary telescopic mast 4 is hollow sleeve, its upper end can be inserted in one-level telescopic mast 2, the oil cylinder body of described two-stage telescopic cylinder 5 is fixed in described one-level telescopic mast 2, the end of expansion link is connected in secondary telescopic mast 4, thus realizes the sliding extension of secondary telescopic mast 4 in one-level telescopic mast 2 by the flexible of two-stage telescopic cylinder 5.
Also be provided with the second bearing pin 12 between described secondary telescopic mast 4 and one-level telescopic mast 2, described secondary telescopic mast 4 and one-level telescopic mast 2 are provided with for the through pin-and-hole of the second bearing pin 12.
Optionally, described secondary telescopic mast 4 and one-level telescopic mast 2 also can be provided with slip location structure, described slip location structure can comprise at least two sliding guide grooves be oppositely arranged of one-level telescopic mast 2 inner surface and at least two rail plates of secondary telescopic mast 4 external surface correspondence setting, is convenient to the slip fast and accurately between secondary telescopic mast 4 and one-level telescopic mast 2.
Described secondary telescopic mast 4 is connected by derrick rig 11 with lower horizontal-associate 6, as shown in Fig. 3 A, 3B, described derrick rig 11 comprises pull bar 111, suspension rod 112 and arm-tie 113, described pull bar 111 runs through the interior also tail end of secondary telescopic mast 4 and passes through nut check, described arm-tie 113 welds with lower horizontal-associate 6, the two ends of described suspension rod 112 can be fixed respectively by bolt and pull bar 111, arm-tie 113, thus it is fixing to be convenient to dismounting.
Also can be provided with post between described secondary telescopic mast 4 and lower horizontal-associate 6 and cut with scissors structure, see Fig. 2 A, described post hinge structure comprises the column cap 41 and the column base 61 of lower horizontal-associate 6 upper surface that are positioned at secondary telescopic mast 4 bottom, so that the location between secondary telescopic mast 4 and lower horizontal-associate 6.
An extension block is provided with in the middle part of the soffit of described lower horizontal-associate 6, the both sides of described extension block are respectively equipped with a transverse moving structure, each described transverse moving structure comprises sideslip oil cylinder 8 and traversing supporting seat 9, the oil cylinder body of described sideslip oil cylinder 8 is fixed to extension block, the end of expansion link is fixed to traversing supporting seat 9, described traversing supporting seat 9 is positioned at the soffit of described lower horizontal-associate 6 and can be supported on sleeper 7, four oil cylinder supporting legs 10 are provided with in described lower horizontal-associate 6, the oil cylinder body of described oil cylinder supporting leg 10 is fixed on described lower horizontal-associate 6, the end of expansion link is supported in beam face by supporting seat, thus, traversing supporting seat 9 can realize horizontal and vertical on displacement.
As shown in Figure 1, during Bridge Erector hanging beam, fall beam and via hole vertical shift working condition, the pressure of crane ' s major girder column jacket 1 pair of telescopic outrigger is by girder column jacket 1 and one-level telescopic mast 2 and the first bearing pin 133, and one-level telescopic mast 2 and secondary telescopic mast 4 and the second bearing pin 12, pass to lower horizontal-associate 6, lower horizontal-associate 6 is delivered to ground by sleeper 7, forms the two pillar construction of three grades of bushing types.
Wherein, bolt connecting mode is crossed by described bottom rail UNICOM and Beam transportation vehicle car body is fixed, and coordinates the telescopic outrigger of Beam transportation vehicle can realize packing of Bridge Erector.
Each stages operating flow process of the present invention is:
Before putting in place at Beam transportation vehicle fortune beam, synchronously carrying beam on the back with Bridge Erector: the connection bearing pin of one-level telescopic mast and secondary telescopic mast is extracted by (1), and secondary telescopic mast is retracted in one-level telescopic mast by manipulation two-stage telescopic cylinder; (2) handle the plugging pin oil cylinder of automatic pinning device, by oil cylinder retraction, the connection bearing pin of girder column jacket and one-level telescopic mast is extracted; (3) handling one-level telescopic oil cylinder is retracted in girder column jacket by one-level telescopic mast; (4) handling oil cylinder supporting leg makes traversing supporting seat and sleeper depart from, and takes out sleeper, bounces back oil cylinder supporting leg on earth, now traversing supporting seat and earth surface, and now Beam transportation vehicle and Bridge Erector prepare to start synchronously to carry beam on the back.
Synchronously carrying on the back after beam puts in place, the beam that falls puts in place, before vertical shift via hole: (1) handles the reset that one-level telescopic oil cylinder and two-stage telescopic cylinder complete one-level telescopic mast and secondary telescopic mast; (2) handle the plugging pin oil cylinder of automatic pinning device, stretched out by oil cylinder and the connection bearing pin of girder column jacket and one-level telescopic mast is inserted into position; (3) handle bearing pin one-level telescopic mast is connected with secondary telescopic mast; (4), after manipulation oil cylinder supporting leg makes telescoping mechanism and lower horizontal-associate contraposition, pad back sleeper, now Beam transportation vehicle exits Bridge Erector; (5) after rear supporting leg of bridge erecting machine supports, by derrick rig, upper telescoping mechanism is connected with lower horizontal-associate, handles automatic pinning device and the connection bearing pin of girder column jacket and one-level telescopic mast is discharged; (6) handle one-level telescopic oil cylinder retraction, make traversing supporting seat depart from sleeper, Bridge Erector prepares to drive telescopic outrigger via hole.
The invention solves prior art Shortcomings, a kind of novel Bridge Erector telescopic outrigger is provided, for auxiliary girder erection by bridging machine, realize box beam erection in tunnel face zero distance, negative distance and tunnel.It has does not need other auxiliary equipment, can outlet beam be allowed voluntarily fast to pass through space, alleviate operation easier and the workload of workman, the advantage such as to enhance productivity, under the cooperation of Beam transportation vehicle, by the conversion of few parts and folding, need not hoisting aids equipment, do not disassemble, what can realize Bridge Erector packed tunnel.
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present invention, application or use.Although described in an embodiment and be described in the drawings embodiment, but the present invention do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present invention, scope of the present invention will comprise any embodiment of manual and the appended claim fallen into above.
Claims (6)
1. a tunnel Bridge Erector telescopic support leg device, comprises two cover one-level stretching structures, two cover secondary stretching structure and lower horizontal-associates, it is characterized in that:
Each described one-level stretching structure is arranged at below the girder column jacket of Bridge Erector respectively, and each described secondary stretching structure is arranged at the below of one-level stretching structure, and described lower horizontal-associate is arranged at the below of two cover secondary stretching structures;
Described one-level stretching structure comprises one-level telescopic mast and one-level telescopic oil cylinder, described one-level telescopic mast is hollow sleeve, its upper end can be inserted in the hollow groove of girder column jacket, the oil cylinder body of described one-level telescopic oil cylinder is fixed in described one-level telescopic mast, the end of expansion link is connected to the top of the hollow groove of girder column jacket, thus realizes the sliding extension of one-level telescopic mast in girder column jacket;
Also comprise automatic pinning device, described automatic pinning device comprises tie-beam, plugging pin oil cylinder and the first bearing pin, wherein one end of tie-beam and the outer rim of girder column jacket are welded and fixed, the other end is bolted the oil cylinder body of described plugging pin oil cylinder, the expansion link end of described plugging pin oil cylinder is by hinge pin and the first pinned connection, and described girder column jacket and one-level telescopic mast are provided with for the through pin-and-hole of described first bearing pin.
2. tunnel as claimed in claim 1 Bridge Erector telescopic support leg device, it is characterized in that: described secondary stretching structure comprises secondary telescopic mast and two-stage telescopic cylinder, described secondary telescopic mast is hollow sleeve, its upper end can be inserted in one-level telescopic mast, the oil cylinder body of described two-stage telescopic cylinder is fixed in described one-level telescopic mast, the end of expansion link is connected in secondary telescopic mast, thus realizes the sliding extension of secondary telescopic mast in one-level telescopic mast.
3. tunnel as claimed in claim 2 Bridge Erector telescopic support leg device, it is characterized in that: described secondary telescopic mast is crossed derrick rig with bottom rail UNICOM and is connected, described derrick rig comprises pull bar, suspension rod and arm-tie, described pull bar runs through tail end in secondary telescopic mast and passes through nut check, described arm-tie welds with lower horizontal-associate, and the two ends of described suspension rod can be fixed respectively by bolt and pull bar, arm-tie.
4. tunnel as claimed in claim 3 Bridge Erector telescopic support leg device, it is characterized in that: be also provided with post between described secondary telescopic mast and lower horizontal-associate and cut with scissors structure, described post hinge structure comprises the column base of column cap and the lower horizontal-associate upper surface being positioned at secondary telescopic mast bottom.
5. as the tunnel Bridge Erector telescopic support leg device as described in arbitrary in claim 1-4, it is characterized in that: in the middle part of the soffit of described lower horizontal-associate, be provided with an extension block, the both sides of described extension block are respectively equipped with a transverse moving structure, each described transverse moving structure comprises sideslip oil cylinder and traversing supporting seat, the oil cylinder body of described sideslip oil cylinder is fixed to extension block, the end of expansion link is fixed to traversing supporting seat, and described traversing supporting seat is positioned at the soffit of described lower horizontal-associate.
6. tunnel as claimed in claim 5 Bridge Erector telescopic support leg device, it is characterized in that: in described lower horizontal-associate, be provided with four oil cylinder supporting legs, the oil cylinder body of described oil cylinder supporting leg is fixed on described lower horizontal-associate, the end of expansion link is supported in beam face by supporting seat, thus, traversing supporting seat can realize horizontal and vertical on displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147384.4A CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510147384.4A CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
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| CN104727228A true CN104727228A (en) | 2015-06-24 |
| CN104727228B CN104727228B (en) | 2016-05-25 |
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| CN201510147384.4A Active CN104727228B (en) | 2015-03-31 | 2015-03-31 | Tunnel Bridge Erector telescopic support leg device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607753A (en) * | 2019-09-30 | 2019-12-24 | 合肥正浩机械科技有限公司 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
| CN115030034A (en) * | 2022-03-18 | 2022-09-09 | 四川省交通建设集团股份有限公司 | Bolt device suitable for bridge girder erection machine landing leg |
| CN117865009A (en) * | 2024-01-19 | 2024-04-12 | 中铁十二局集团有限公司 | Climbing type bridge girder erection machine supporting leg and telescopic method thereof |
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| CN117865009A (en) * | 2024-01-19 | 2024-04-12 | 中铁十二局集团有限公司 | Climbing type bridge girder erection machine supporting leg and telescopic method thereof |
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| CN104727228B (en) | 2016-05-25 |
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