CN202187298U - Split guiding beam type bridge girder erection machine for passing through tunnel - Google Patents
Split guiding beam type bridge girder erection machine for passing through tunnel Download PDFInfo
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- CN202187298U CN202187298U CN 201120317985 CN201120317985U CN202187298U CN 202187298 U CN202187298 U CN 202187298U CN 201120317985 CN201120317985 CN 201120317985 CN 201120317985 U CN201120317985 U CN 201120317985U CN 202187298 U CN202187298 U CN 202187298U
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Abstract
The utility model relates to a bridge girder erection machine, in particular to an improved structure of a split guiding beam type bridge girder erection machine for passing through a tunnel. The split guiding beam type bridge girder erection machine for passing through the tunnel comprises a main beam and a lower guiding beam arranged under the main beam, and a front supporting leg, a middle supporting leg and a rear supporting leg which are used for supporting the lower guiding beam are arranged on the lower guiding beam in sequence. A traction device for dragging the front supporting leg and the middle supporting leg to roll over, a front supporting device for supporting the main beam, a front lifting device and a rear lifting device for hoisting a box beam to be erected, a middle supporting device for supporting the main beam, a C-shaped supporting leg which is used for supporting the main beam and can enable the box beam to be erected to penetrate through the C-shaped supporting leg and a rear supporting device for supporting the main beam are arranged on the main beam sequentially. Therefore, the split guiding beam type bridge girder erection machine for passing through the tunnel has the advantages that the bridge girder erection machine can be used by being matched with a low-position beam transporting vehicle, and achieve zero distance and negative distance of a tunnel entrance and beam erection in the tunnel. Passing through the tunnel with few dismounting can be achieved, and the dismounting of the supporting leg of a first-final hole guiding beam can be achieved through a self mechanism.
Description
Technical field
The utility model relates to a kind of bridge formation machine, especially relates to a kind of structural improvement of split nose girder formula being crossed tunnel bridge formation machine.
Background technology
In the large-tonnage concrete box girder transportation rack device of routine, several kinds of bridge formation machine constructions below Beam transportation vehicle cooperates usually.The Beam transportation vehicle height is generally about 3 meters.
1. auxiliary nose girder formula bridge formation machine
Nose girder only assists the bridge formation machine to accomplish the via hole operation as the slave part of bridge formation machine.Girder has tail outstanding at bridge formation machine rear support leg rear portion, get the beam position at the rear support leg rear portion, and Beam transportation vehicle is carried the only traveling on the Beam transportation vehicle track of beam dolly on the back.
2. nose girder formula fixed point is lifted by crane the bridge formation machine
Nose girder not only assists the bridge formation machine to accomplish via hole, also is the plummer of treating frame case beam simultaneously, assists to accomplish setting up of case beam.Beam transportation vehicle is carried the beam chassis on the back and is directly run to the Luo Liang position from Beam transportation vehicle.
3. walking bridge formation machine
Walking bridge formation machine rear support leg rear portion is many supporting leg, tail boom is long.The bridge formation machine need not assist nose girder to carry out via hole, through self supporting leg traveling or convert via hole.
4. integration of transporting and building machine
The integration of transporting and building machine mainly divides main frame and nose girder.Main frame is taken into account the fortune beam and is set a roof beam in place task, and main frame need run to the nose girder top.
When linking to each other tunnel face, location box beam erection to mountain terrain bridge tunnel, above-mentioned bridge formation machine has following shortcoming respectively:
1. the above-mentioned auxiliary nose girder formula bridge formation machine and the rear support leg section of walking bridge formation machine are very big usually, can't accomplish the hole and set a roof beam in place;
2. above-mentioned nose girder formula fixed point lifting bridge formation machine can realize that through cooperating with the low level Beam transportation vehicle tunnel face sets a roof beam in place, but big the disassembling of needs could be passed through the tunnel usually;
3. above-mentioned integration of transporting and building machine efficiency of construction is very low, and nose girder requires stability high;
The utility model content
The utility model mainly is to solve existing in prior technology to assist the rear support leg section of nose girder formula bridge formation machine and walking bridge formation machine very big usually; Can't accomplish the hole sets a roof beam in place; Nose girder formula fixed point lifting bridge formation machine can realize that through cooperating with the low level Beam transportation vehicle tunnel face sets a roof beam in place; But need big disassembling could pass through the tunnel usually, integration of transporting and building machine efficiency of construction is very low, and nose girder requires the high technical problem of stability; Provide a kind of and low level Beam transportation vehicle to be used, can realize that the split nose girder formula of setting a roof beam in place in tunnel face zero distance, negative distance and the tunnel crosses tunnel bridge formation machine.
The above-mentioned technical problem of the utility model mainly is able to solve through following technical proposals:
A kind of split nose girder formula is crossed tunnel bridge formation machine, it is characterized in that, the following nose girder that comprises girder and be arranged on the girder below sets gradually on the described nose girder down to be useful on and supports front leg strut, middle supporting leg and the rear support leg of nose girder down; Set gradually the draw-gear, the front supporting device that is used for supporting girder that are useful on the upset of traction said front leg strut and middle supporting leg on the described girder, be used to lift by crane preceding lifting gear and back lifting gear, the bracing or strutting arrangement that is used to support girder of treating frame case beam, be used to support girder and can make and treat that frame case beam is from C type supporting leg that wherein passes through and the rear support device that is used to support girder; It is hinged that bolt and hinged-support and following nose girder are passed through in described rear support leg top; In described supporting leg comprise be inter-connected via a bolt joint first in a straddle in the straddle and second; A straddle lower transverse beam during a straddle includes in the straddle and second in described first, in a traversing beam of straddle, in a straddle telescopic mast, in a straddle tugboat device and in a straddle change great mechanism; A straddle tugboat device supports nose girder in described; A straddle change great mechanism hangs over down on the nose girder lower tracks in described; In described straddle telescopic mast with in a traversing beam of straddle be connected through bolt, prop up in described the traversing beam of straddle through oil cylinder can in prop up on the straddle lower transverse beam traversing; Described front leg strut comprises front leg strut lower transverse beam, front leg strut telescopic mast, hinged-support, front leg strut tugboat mechanism and front leg strut running mechanism.
Split nose girder formula above-mentioned is crossed tunnel bridge formation machine; Described draw-gear comprises that being supported on being used on the track of girder front end setting through wheel lifts by crane the said front leg strut of nose girder down and the accessory cart of supporting leg, and described accessory cart comprises vertical shift driving mechanism, vehicle frame and lifting mechanism.
Split nose girder formula above-mentioned is crossed tunnel bridge formation machine; Described front supporting device is assisted supporting leg and girder front leg strut before comprising girder; Described girder front leg strut comprises girder front leg strut Pulley mechanism, girder front leg strut top rail, collapsible steel case beam column body, girder front leg strut tugboat mechanism and swing leg; Described girder front leg strut top rail is connected with girder through bolt; Described girder front leg strut Pulley mechanism hangs on the lower tracks of described girder, and described girder front leg strut Pulley mechanism bottom is supported on the bridge pier through described collapsible steel case beam column body, and described tugboat device can be held down the nose girder vertical shift;
Split nose girder formula above-mentioned is crossed tunnel bridge formation machine; The preceding supporting leg of assisting of described girder comprises preceding running mechanism on the supporting leg, preceding supporting leg girder, preceding supporting leg sliding beam, preceding supporting leg up-down inner cylinder, preceding traversing beam of supporting leg and the preceding supporting leg wheels mechanism of assisting of girder assisted of girder assisted of girder assisted of girder assisted of girder assisted of girder; Running mechanism drives through chain sprocket voluntarily on the preceding auxiliary supporting leg of described girder; Assist the supporting leg girder to be connected with girder through bolt before the described girder, auxiliary supporting leg sliding beam is connected through the preceding auxiliary supporting leg girder of hoist cylinder and girder before the described girder.Auxiliary supporting leg up-down inner cylinder top is connected through the preceding auxiliary supporting leg sliding beam of latch and girder before the described girder; The bottom is connected through the preceding auxiliary traversing beam of supporting leg of bolt and girder; The auxiliary traversing beam of supporting leg is connected through the preceding auxiliary supporting leg wheels mechanism of sideslip oil cylinder and girder before the described girder; Auxiliary supporting leg wheels mechanism is supported on down through wheel on the track at nose girder top before the described girder, drives nose girder vertical shift down through chain sprocket.
Split nose girder formula above-mentioned is crossed tunnel bridge formation machine; Lifting gear and back lifting gear comprise preceding trolley, back trolley respectively before described; Preceding trolley, back trolley include big vehicle frame, traversing dolly, assembly pulley, vertical shift micromatic setting and traversing micromatic setting; Described traversing dolly is placed on the said big vehicle frame and through traversing micromatic setting and is connected with big vehicle frame; This traversing dolly connects suspender and back hoisting system, preceding hoisting system through wire rope; Said suspender is connected with concrete box girder through suspension rod, and described big vehicle frame is supported on walking on the cross girders of girder, and described vertical shift micromatic setting is connected girder through bolt with big vehicle frame.
Split nose girder formula above-mentioned is crossed tunnel bridge formation machine; Auxiliary supporting leg during bracing or strutting arrangement comprises in described, described in auxiliary supporting leg comprise switching mechanism, outer cylindrical body, up-down inner cylinder, be fixedly connected beam and be used to the back support of the machine of building bridge and be supported on the support wheels on the beam face of treating frame case beam, described in auxiliary supporting leg upper end be connected with the crossbeam of girder through bolt and bearing pin; Described C type supporting leg is connected with the two longitudinal beams outside of girder through bolt and bearing pin; This C type supporting leg comprises cylinder, lower prop and straight cylinder, and described support wheels are connected with the cross girders bottom of walking of said girder through bolt, and described nose girder girder down is the fish belly type; The rear end is single girder; Front end is two girders, and described girder upper end is provided with walking rails, and its both sides, front end bottom are provided with track.
Therefore, the utlity model has following advantage: be used with the low level Beam transportation vehicle, can realize setting a roof beam in place in tunnel face zero distance, negative distance and the tunnel.Can realize that few dismounting through the tunnel, can realize the dismounting of first last hole nose girder supporting leg through self mechanism.
Description of drawings
Fig. 1 is that the said split nose girder of the utility model formula is crossed tunnel bridge formation machine structural representation;
Fig. 2 is the rear support leg structural representation;
Fig. 3 is the auxiliary leg structure sketch map in back;
Fig. 4 is a C type leg structure sketch map;
Fig. 5 is a trolley at the girder beam sheet sketch map of hanging oneself;
Fig. 6 assists supporting leg to prop up sketch map on following nose girder in being;
Fig. 7 is that front leg strut props up sketch map on bridge pier;
Fig. 8 is that preceding auxiliary supporting leg props up sketch map on following nose girder;
Fig. 9 is accessory cart nose girder supporting leg sketch map under lifting on the girder;
Figure 10 is a leg structure sketch map in the following nose girder;
Figure 11 is following nose girder front leg strut structural representation;
Figure 12 is the structural representation of step 1 in the present embodiment;
Figure 13 is the structural representation of step 2 in the present embodiment;
Figure 14 is the structural representation of step 3 in the present embodiment;
Figure 15 is the structural representation of step 4 in the present embodiment;
Figure 16 is the structural representation of step 5 in the present embodiment;
Figure 17 is the structural representation of step 6 in the present embodiment;
Figure 18 is the structural representation of step 7 in the present embodiment;
Figure 19 is the structural representation of step 8 in the present embodiment;
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment:
Split nose girder formula is crossed tunnel bridge formation machine, and the following nose girder that comprises girder and be arranged on the girder below sets gradually on the described nose girder down to be useful on and supports front leg strut, middle supporting leg and the rear support leg of nose girder down; Set gradually the draw-gear, the front supporting device that is used for supporting girder that are useful on the upset of traction said front leg strut and middle supporting leg on the described girder, be used to lift by crane preceding lifting gear and back lifting gear, the bracing or strutting arrangement that is used to support girder of treating frame case beam, be used to support girder and can make and treat that frame case beam is from C type supporting leg that wherein passes through and the rear support device that is used to support girder.C type leg can pass through the tunnel through the folding of self.Following nose girder girder is the fish belly type, and the rear end is single girder, and front end is two girders, and described girder upper end is provided with walking rails, and its both sides, front end bottom are provided with track.The nose girder forward part adopts two main beam structures; Single main beam structure is adopted at the rear portion; The dismounting of nose girder supporting leg when the gap in the middle of the anterior two main beam structures has guaranteed to set a roof beam in place in first last hole is through the anterior pair main beam structure forms of lifting and nose girder of bridge formation machine accessory cart, the dismounting that has solved the nose girder supporting leg.
With reference to Fig. 1, Fig. 2, rear support leg 4 comprises up-down inner cylinder 21, up-down outer cylindrical body 23, running mechanism 20 and connects top rail 24, the middle cross beam 22 of up-down outer cylindrical body.Its top is connected with two longitudinal beams of girder 9 through latch.During the upset rear support leg, up-down inner cylinder 21 is upwards received, can be removed running mechanism 20 and overturn big time saver.
Be connected with two longitudinal beams of girder 9 through bolt with reference to auxiliary supporting leg 3 behind Fig. 1, the described girder of Fig. 3; Leg cylinder center to center distance is bigger; Overturn and support the bridge formation machine, said Beam transportation vehicle 1 can be smoothly through arriving bridge formation ventral portion, can realize that the bridge formation machine cuts in the tunnel.
Be connected with the two longitudinal beams outside of girder 9 through bolt and bearing pin with reference to Fig. 1, the described C type of Fig. 4 supporting leg 5, comprise cylinder 27, lower prop 26 and straight cylinder 25.Its inner headroom satisfies case beam 2 to be passed through, and grows up when setting a roof beam in place apart from non-tunnel, fixed with the bridge formation machine, the back support during directly as the said rear support leg 4 upset feeding beams of bridge formation machine, thereby the efficiency of construction when improving non-tunnel and setting a roof beam in place.Its section is greater than tunnel cross-section, and the bridge formation machine is removed straight cylinder 25 earlier during through the tunnel, will go up cylinder 27 again, lower prop 26 can pass through the tunnel smoothly through turnover.
With reference to Fig. 1, Fig. 5 described before trolley 11, back trolley 6 adopt the fixed point lifting, form by vertical shift micromatic setting 31, big vehicle frame 32, assembly pulley 33, traversing micromatic setting 34, traversing dolly 35.Described traversing dolly 35 directly is placed on the big vehicle frame 32, is connected with big vehicle frame 32 through traversing micromatic setting 34, connects suspender 29 and back hoisting system, preceding hoisting system through wire rope, and said suspender 29 passes through suspension rod 28 and is connected with concrete box girder 2.Described big vehicle frame 32 is supported on walking on the cross girders 30 of girder 9.Described vertical shift micromatic setting 31 is connected girder 9 through bolt with big vehicle frame 32.When setting a roof beam in place work, preceding trolley 11, back trolley 6 can vertically move along girder 9 through vertical shift micromatic setting 31, laterally move to reach the accurate location of concrete box girder 2 through traversing micromatic setting 34.
Be connected with cross girders 30 bottoms of walking of said girder 9 through bolt with reference to the described support wheels 7 of Fig. 1, adopt the wheel track traveling, the rolling support device when being first hole, tunnel face box beam erection feeding beam.
Comprise Pulley mechanism 44, top rail 43, collapsible steel case beam column body 42, tugboat mechanism 41, swing leg 40 with reference to Fig. 1, the described front leg strut 12 of Fig. 7.Swing leg 40 can rotate through self and thread lock realizes the support of heavy duty, and can be through the variation of rotation realization position.Top rail 43 is connected with girder 9 through bolt, and described Pulley mechanism 44 hangs on described girder 9 lower tracks, can drive vertical shift voluntarily, reaches the demand of setting up different spans beam sheet.The bottom is supported on the bridge pier through described collapsible steel case beam column body 42, and the inboard tugboat device 41 that is provided with can be held down the nose girder vertical shift.During feeding beam, described swing leg 40 can turn 90 degrees and stretches up and down and support described down nose girder 17 through revolving, and makes and treats on the described nose girder 17 down of going up of frame case beam 2 safety.
With reference to auxiliary supporting leg 14 before Fig. 1, the described girder of Fig. 8 by auxiliary supporting leg girder 50, girder before the girder before on the auxiliary supporting leg before running mechanism 49, the girder before auxiliary supporting leg sliding beam 48, the girder before auxiliary supporting leg up-down inner cylinder 47, the girder before the traversing beam of auxiliary supporting leg 46, the girder auxiliary supporting leg wheels mechanism 45 form.Before the girder on the auxiliary supporting leg running mechanism 49 drive voluntarily through chain sprocket.Auxiliary supporting leg girder 50 is connected with crane ' s major girder 9 through bolt before the girder.Auxiliary supporting leg sliding beam 48 is connected through the preceding auxiliary supporting leg girder 50 of hoist cylinder and girder before the girder.Auxiliary supporting leg sliding beam 48 is connected before assisting supporting leg up-down inner cylinder 47 tops through latch and girder before the girder, and the bottom is connected through the preceding auxiliary traversing beam 46 of supporting leg of bolt and girder.The traversing beam 46 of auxiliary supporting leg is connected through the preceding auxiliary supporting leg wheels mechanism 45 of sideslip oil cylinder and girder before the girder.Auxiliary supporting leg wheels mechanism 45 is supported on down through wheel on the track at nose girder 17 tops before the girder, drives nose girder 17 vertical shifts down through chain sprocket.
Be supported on the track of girder 9 front ends setting through wheel with reference to Fig. 1, the described accessory cart 15 of Fig. 9; Form by lifting mechanism 53, vertical shift driving mechanism 52, vehicle frame 51; Be used for lifting by crane the said supporting leg 18 and the front leg strut 19 of nose girder 17 down; Abutment on the nose girder 17 is established to satisfy last hole roof beam structure under realizing.
With reference to Fig. 1, Fig. 9, Figure 10, the described nose girder girder 17 down of Figure 11 is the fish belly type, is single girder form with reference to Figure 10 rear end, is two girder forms with reference to Figure 11 front end.The girder upper end is provided with walking rails, and its both sides, front end bottom are provided with track.Lifting mechanism 53 through accessory cart 15 can from the headroom lifting in the middle of the two girders of front end of nose girder girder 17 down down nose girder supporting leg 18 and front leg strut 19.
Be connected with following nose girder 17 through bolt and hinged-support with reference to the described lower nose girder rear support leg of Fig. 1 16 tops, liftable can turn down.
Be inter-connected via a bolt joint by a straddle in the straddle and second in first with reference to supporting leg in the described nose girder down of Fig. 1, Fig. 9, Figure 10 and form, a straddle lower transverse beam 54 during each supporting leg comprises, in the traversing beam of a straddle 55, in a straddle telescopic mast 56, in a straddle tugboat device 57, in a straddle change great mechanism 58.In straddle tugboat device 57 support nose girders, in a straddle change great mechanism 58 hang over down on nose girder 17 lower tracks, can drive vertical shift voluntarily.In straddle telescopic mast 56 and traversing beam 55 is connected through bolt, in prop up the traversing beam 55 of straddle through oil cylinder can in prop up on the straddle lower transverse beam 54 traversingly, realization bridge formation machine curve is set a roof beam in place.
Comprise front leg strut lower transverse beam 59, front leg strut telescopic mast 60, front leg strut hinged-support 61, front leg strut tugboat mechanism 62, front leg strut running mechanism 63 with reference to the described nose girder front leg strut 19 down of Fig. 1, Figure 10 and Figure 11.
Main frame is crossed when striding, and following nose girder 17 is through the preceding auxiliary supporting leg 14 of the rail supported girder at its top.During feeding beam, rear support leg 4 turnovers, the swing leg 40 of bridge formation machine front leg strut 12 supports the middle part of nose girder 17 down; Beam transportation vehicle 1 fortune case beam 2 is accomplished to the bridge formation drive end unit and is integrated with; Carry beam chassis 65 fortune case beams 2 on the back top to bottm on the nose girder 17, non-tunnel face feeding beam adopts C type supporting leg 5 to support the bridge formation machines, and tunnel face zero distance and negative during apart from feeding beam; C type supporting leg 5 is in folded state, supports the bridge formation machine through supporting auxiliary supporting leg 8 conversions in wheels 7 and back.During hanging beam, rear support leg 4 supports the bridge formation machine.The swing leg 40 of bridge formation machine front leg strut 12 spins out; Following nose girder 17 is through shrinking its rear support leg 16 and front leg strut 19; The tugboat mechanism 41 of bridge formation machine front leg strut 12 supports nose girder 17 middle parts down, and the completion vertical shift was crossed and striden under the wheels mechanism 45 of auxiliary supporting leg 14 drove before girder.Cross and stride the back and support nose girder 17 down, supporting leg 18 can nose girder 17 vertical shifts under the driving lower edge of its tugboat device 57 in the following nose girder, to satisfy the support demand of different spans.Supporting leg 18 supports nose girder 17 middle parts down in the following nose girder, and bridge formation machine front leg strut 12 is soared, and through the traversing bridge formation machine of sideslip oil cylinder of auxiliary supporting leg 14 before the crane ' s major girder, the realization curve is set a roof beam in place.Under the running mechanism 20 of bridge formation machine rear support leg 4 drove, the bridge formation machine was accomplished vertical shift.
The described bridge formation machine of the utility model tunnel face process of setting a roof beam in place is following: Beam transportation vehicle 1 is packed the bridge formation machine and is arrived end of the bridge, and C type supporting leg 5 is folding, removes through a little that auxiliary supporting leg 8 and front leg strut 12 support the bridge formation machines in the girder of back.The bridge formation machine is carried out the preparation of setting a roof beam in place; The front leg strut 19 of following nose girder 17, middle supporting leg 18, rear support leg 16 are supported on the bridge pier; Its front leg strut 19 is supported on the same bridge pier with middle supporting leg 18; Auxiliary supporting leg 14 supports the bridge formation machines before assisting supporting leg 8 and girder in bridge formation machine front leg strut 12, the girder, and front leg strut 12 is supported on the same bridge pier with its swing leg 40, and nose girder 17 is (when set a roof beam in place in non-tunnel face under three supporting leg together support of swing leg 40 and following nose girder 17; Front leg strut 12 supports the bridge formation machines with C type supporting leg 5, and C type supporting leg 5 is supported on the frame case beam).Beam transportation vehicle 1 carries along the beam face that has set up and treats that frame case beam 2 drives to bridge formation machine rear end (being the left end of Fig. 1), and its track is connected with the track at following nose girder 17 tops.Carry beam chassis 65 on the back and carry and treat frame case beam 2 top to bottm on the nose girder 17, and vertical shift auxiliary supporting leg 8 rears in the girder.Support wheels 7 and be supported on the track of treating frame case beam 2 tops, auxiliary supporting leg 8 in the turnover girder.Carrying beam chassis 65 on the back transports and treats that frame case beam 2 puts in place.The bridge formation machines are supported in rear support leg 4 upset, pack up and support wheels 7, and preceding trolley 11, back trolley 6 are sling and treated frame case beam 2.Carry beam chassis 65 on the back and turn back on the Beam transportation vehicle 1, Beam transportation vehicle 1 is given an encore and is got beam.Following nose girder 17 vertical shifts put in place.Treat that frame case beam 2 accurately falls on the bridge pier.After treating that its mortar solidifies, under the running mechanism 20 of rear support leg 4 drove, the bridge formation machine was accomplished vertical shift.After the bridge formation machine was accomplished and was striden; Successively pack up the preceding auxiliary supporting leg 14 of girder, prop front leg strut 12, change 5 supports of C type supporting leg, prop rear support leg 4; The middle supporting leg 18 of following nose girder 17 is forwarded to and the front leg strut 19 of following nose girder 17 is supported on the same bridge pier in vertical shift under the driving of its change great mechanism 58, and the swing leg 40 of front leg strut 12 supports down nose girder 17.Prepare setting up of next case beam 2.
Set a roof beam in place as follows in concrete bridge formation machine tunnel face:
Step 1: Beam transportation vehicle 1 is packed the transition of bridge formation machine.When packing the tunnel; C type supporting leg 5 is folded in girder 9 outsides; Assist wheels mechanism 45 dismountings of supporting leg 14 to be placed on down on the nose girder 17 in the girder before the fixed connection beam 36 of auxiliary supporting leg 8, the girder; The crossbeam of auxiliary supporting leg 8 and front leg strut 12 supports the bridge formation machine in the girder, arrives end of the bridge and will descend nose girder front leg strut 19, middle supporting leg 18 to be installed on down on the nose girder 17 successively.With reference to Figure 12
Step 2: the bridge formation machine is carried out the preparation of setting a roof beam in place.The front leg strut 19 of following nose girder 17, middle supporting leg 18, rear support leg 16 are supported on respectively on the bridge pier of treating frame case beam 2, and its front leg strut 19 is supported on the same bridge pier with middle supporting leg 18; Auxiliary supporting leg 14 support bridge formation machines before auxiliary supporting leg 8 and the girder in bridge formation machine front leg strut 12, the girder; Assist supporting leg 14 to be supported on down on nose girder 17 tracks before auxiliary supporting leg 8, the girder in the girder; Front leg strut 12 is supported on the bridge pier of treating frame case beam 2; Front leg strut 12 is supported on the same bridge pier with its swing leg 40; Nose girder 17 under three supporting leg together support of swing leg 40 and following nose girder 17 (when set a roof beam in place in non-tunnel face, front leg strut 12 and C type supporting leg 5 support bridge formation machines, C type supporting leg 5 are supported on the frame case beam).Beam transportation vehicle 1 carries along the beam face that has set up and treats that frame case beam 2 drives to bridge formation machine rear end (being the left end of Fig. 1), and its track is connected with the track at following nose girder 17 tops.With reference to Figure 13
Step 3: carry beam chassis 65 on the back and carry and treat frame case beam 2 from Beam transportation vehicle 1 top to bottm on the nose girder 17, and the rear of vertical shift auxiliary supporting leg 8 in the main frame girder.With reference to Figure 14
Step 4: support wheels 7 and be supported on the track of treating frame case beam 2 tops, auxiliary supporting leg 8 in the turnover girder.With reference to Figure 15
Step 5: carry beam chassis 65 on the back and transport and treat that frame case beam 2 puts in place.The bridge formation machines are supported in rear support leg 4 upset, pack up and support wheels 7, and preceding trolley 11, back trolley 6 are sling and treated frame case beam 2.Carry beam chassis 65 on the back and turn back on the Beam transportation vehicle 1, Beam transportation vehicle 1 is given an encore and is got beam.With reference to Figure 16
Step 6: nose girder 17 under the vertical shift.The swing leg 40 of bridge formation machine front leg strut 12 spins out; The front leg strut 19 of following nose girder 17, rear support leg 16 shrink; The tugboat mechanism 41 of main frame front leg strut 12 supports nose girder 17 down; The wheels mechanism 45 of auxiliary supporting leg 14 drives nose girder 17 vertical shifts down through chain sprocket before the girder, and front leg strut 19 vertical shifts through adjusting down nose girder 17 are to adapt to setting up of different spans case beam, and following nose girder 17 vertical shifts put in place.Treat that frame case beam 2 accurately falls on the bridge pier under the effect of preceding trolley 11, back trolley 6.With reference to Figure 17,18
Step 7: after case beam 2 is fallen the position, take off suspender.After treating that its mortar solidifies, the middle supporting leg 18 of nose girder 17 under the jacking soars bridge formation machine front leg strut 12, and through the traversing bridge formation machine of sideslip oil cylinder of auxiliary supporting leg 14 before the crane ' s major girder, the realization curve is set a roof beam in place.Under the running mechanism 20 of bridge formation machine rear support leg 4 drove, the bridge formation machine was accomplished vertical shift.With reference to Figure 19
Step 8: after the bridge formation machine was accomplished and striden; Successively pack up the preceding auxiliary supporting leg 14 of girder, prop front leg strut 12, change 5 supports of C type supporting leg, upset rear support leg 4; The middle supporting leg 18 of following nose girder 17 is forwarded to and the front leg strut 19 of following nose girder 17 is supported on the same bridge pier in vertical shift under the driving of its change great mechanism 58, and the swing leg 40 of front leg strut 12 supports down nose girder 17.Prepare setting up of next case beam 2.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (5)
1. a split nose girder formula is crossed tunnel bridge formation machine, it is characterized in that, the following nose girder that comprises girder and be arranged on the girder below sets gradually on the described nose girder down to be useful on and supports front leg strut, middle supporting leg and the rear support leg of nose girder down; Set gradually the draw-gear, the front supporting device that is used for supporting girder that are useful on the upset of traction said front leg strut and middle supporting leg on the described girder, be used to lift by crane preceding lifting gear and back lifting gear, the bracing or strutting arrangement that is used to support girder of treating frame case beam, be used to support girder and can make and treat that frame case beam is from C type supporting leg that wherein passes through and the rear support device that is used to support girder; Described nose girder girder down is the fish belly type; The rear end is single girder; Front end is two girders; Described girder upper end is provided with walking rails; Its both sides, front end bottom are provided with track; Described rear support leg top is hinged through bolt and hinged-support and following nose girder, described in supporting leg comprise be inter-connected via a bolt joint first in a straddle in the straddle and second, a straddle lower transverse beam during a straddle includes in the straddle and second in described first, in a traversing beam of straddle, in a straddle telescopic mast, in prop up straddle tugboat device and in prop up the straddle change great mechanism; A straddle tugboat device supports nose girder in described; A straddle change great mechanism hangs over down on the nose girder lower tracks in described, described in a straddle telescopic mast with in a traversing beam of straddle be connected through bolt, prop up in described the traversing beam of straddle through oil cylinder can in prop up on the straddle lower transverse beam traversing; Described front leg strut comprises front leg strut lower transverse beam, front leg strut telescopic mast, hinged-support, front leg strut tugboat mechanism and front leg strut running mechanism.
2. split nose girder formula according to claim 1 is crossed tunnel bridge formation machine; It is characterized in that; Described draw-gear comprises that being supported on being used on the track of girder front end setting through wheel lifts by crane the said front leg strut of nose girder down and the accessory cart of supporting leg, and described accessory cart comprises vertical shift driving mechanism, vehicle frame and lifting mechanism.
3. split nose girder formula according to claim 1 is crossed tunnel bridge formation machine; It is characterized in that; Described front supporting device is assisted supporting leg and girder front leg strut before comprising girder; Described girder front leg strut comprises girder front leg strut Pulley mechanism, girder front leg strut top rail, collapsible steel case beam column body, girder front leg strut tugboat mechanism and swing leg; Described girder front leg strut top rail is connected with girder through bolt; Described girder front leg strut Pulley mechanism hangs on the lower tracks of described girder, and described girder front leg strut Pulley mechanism bottom is supported on the bridge pier through described collapsible steel case beam column body, and described tugboat device can be held down the nose girder vertical shift;
The preceding supporting leg of assisting of described girder comprises preceding supporting leg running mechanism, preceding supporting leg girder, preceding supporting leg sliding beam, preceding supporting leg up-down inner cylinder, preceding traversing beam of supporting leg and the preceding supporting leg wheels mechanism of assisting of girder assisted of girder assisted of girder assisted of girder assisted of girder assisted of girder; Running mechanism drives through chain sprocket voluntarily on the preceding auxiliary supporting leg of described girder; Assist the supporting leg girder to be connected with girder through bolt before the described girder, auxiliary supporting leg sliding beam is connected through the preceding auxiliary supporting leg girder of hoist cylinder and girder before the described girder.Auxiliary supporting leg up-down inner cylinder top is connected through the preceding auxiliary supporting leg sliding beam of latch and girder before the described girder; The bottom is connected through the preceding auxiliary traversing beam of supporting leg of bolt and girder; The auxiliary traversing beam of supporting leg is connected through the preceding auxiliary supporting leg wheels mechanism of sideslip oil cylinder and girder before the described girder; Auxiliary supporting leg wheels mechanism is supported on down through wheel on the track at nose girder top before the described girder, drives nose girder vertical shift down through chain sprocket.
4. split nose girder formula according to claim 1 is crossed tunnel bridge formation machine; It is characterized in that; Lifting gear and back lifting gear comprise preceding trolley, back trolley respectively before described; Preceding trolley, back trolley include big vehicle frame, traversing dolly, assembly pulley, vertical shift micromatic setting and traversing micromatic setting; Described traversing dolly is placed on the said big vehicle frame and is connected with big vehicle frame through traversing micromatic setting, this traversing dolly through wire rope connect suspender and after hoisting system, preceding hoisting system, said suspender passes through suspension rod and is connected with concrete box girder; Described big vehicle frame is supported on walking on the cross girders of girder, and described vertical shift micromatic setting is connected girder through bolt with big vehicle frame.
5. split nose girder formula according to claim 1 is crossed tunnel bridge formation machine; It is characterized in that; Auxiliary supporting leg during bracing or strutting arrangement comprises in described; Auxiliary supporting leg comprises switching mechanism, outer cylindrical body, up-down inner cylinder, is fixedly connected beam and is used to the back support of the machine of building bridge and is supported on the support wheels of treating on the frame case beam beam face in described, described in auxiliary supporting leg upper end be connected with the crossbeam of girder through bolt and bearing pin, be connected outside two longitudinal beams of described C type supporting leg through bolt and bearing pin and girder; This C type supporting leg comprises cylinder, lower prop and straight cylinder, and described support wheels are connected with the cross girders bottom of walking of said girder through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120317985 CN202187298U (en) | 2011-08-29 | 2011-08-29 | Split guiding beam type bridge girder erection machine for passing through tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120317985 CN202187298U (en) | 2011-08-29 | 2011-08-29 | Split guiding beam type bridge girder erection machine for passing through tunnel |
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| Publication Number | Publication Date |
|---|---|
| CN202187298U true CN202187298U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120317985 Withdrawn - After Issue CN202187298U (en) | 2011-08-29 | 2011-08-29 | Split guiding beam type bridge girder erection machine for passing through tunnel |
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| CN (1) | CN202187298U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN105332345A (en) * | 2015-08-24 | 2016-02-17 | 陈修缘 | Lifting type construction system for bridge superstructure construction and construction method thereof |
| CN110273382A (en) * | 2018-03-17 | 2019-09-24 | 中铁第五勘察设计院集团有限公司 | Guide girder machine with rotatable middle nose girder supporting leg |
| CN110273374A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of non-tunnel beam erecting method |
| CN110273375A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of Bridge Erector |
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
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2011
- 2011-08-29 CN CN 201120317985 patent/CN202187298U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN102425120B (en) * | 2011-08-29 | 2013-12-18 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN105332345A (en) * | 2015-08-24 | 2016-02-17 | 陈修缘 | Lifting type construction system for bridge superstructure construction and construction method thereof |
| CN110273382A (en) * | 2018-03-17 | 2019-09-24 | 中铁第五勘察设计院集团有限公司 | Guide girder machine with rotatable middle nose girder supporting leg |
| CN110273374A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of non-tunnel beam erecting method |
| CN110273375A (en) * | 2018-03-17 | 2019-09-24 | 中国铁路总公司 | A kind of Bridge Erector |
| CN110273375B (en) * | 2018-03-17 | 2021-03-12 | 中国铁路总公司 | Bridge erecting machine |
| CN110346159A (en) * | 2019-06-18 | 2019-10-18 | 中国二十冶集团有限公司 | Hydraulic jacking equipment load test crossbeam and rolling-mill housing lift analogy method |
| CN110346159B (en) * | 2019-06-18 | 2021-01-26 | 中国二十冶集团有限公司 | Load test beam for hydraulic jacking equipment and rolling mill frame hoisting simulation method |
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