CN201473890U - Bilaterally operational girder bridge erecting machine - Google Patents
Bilaterally operational girder bridge erecting machine Download PDFInfo
- Publication number
- CN201473890U CN201473890U CN 200920185943 CN200920185943U CN201473890U CN 201473890 U CN201473890 U CN 201473890U CN 200920185943 CN200920185943 CN 200920185943 CN 200920185943 U CN200920185943 U CN 200920185943U CN 201473890 U CN201473890 U CN 201473890U
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- girder
- support leg
- nose girder
- rear support
- nose
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Abstract
The utility model relates to a bilaterally operational girder bridge erecting machine, comprising a main girder and a lower nose girder. The front end portion and the rear end portion of the main girder are provided with a front support leg for the main girder and a rear support leg for the main girder, and the lower bottom face of the lower nose girder is provided with a front support leg for the lower nose girder, a movable support leg and an aligning support leg for the lower nose girder from front to back. The movable support leg is of a structure capable of extending up and down, and can not only support the lower nose girder but also support the main girder, the front support leg and the rear support leg both for the main girder can detachably arranged on the main girder, the front support leg for the main girder can be mounted on the rear end portion of the main girder, and the rear support leg for the main girder can be mounted on the front end portion of the main girder. The front and the rear support legs for the main girder are detachably mounted, the bridge erecting machine can realize reverse operation through changing places of the front and the rear support legs of the main girder, the movable support leg is used as the support point for the main girder during place changing, and the operation is safe and convenient.
Description
Technical field
The utility model relates to a kind of nose girder formula bridge formation machine, but particularly a kind of nose girder formula bridge formation machine of two-way operation.
Background technology
According to China's Mid-term and Long-term Plan of the Railway Network, about 1.2 ten thousand kilometers of Line for Passenger Transportation, high-speed railway that building at present neutralizes is about to construction, the bridge proportion surpasses 50% in the circuit.Wherein Beijing-Shanghai High-Speed Railway bridge ratio accounts for about 80%.The main beam type of these bridges is whole hole 32m, 24m, 20m prefabricated case beam, heavily about 900 tons of the heaviest 32m two-wire whole opening box girder, thereby construction has that the beam type is many, lift heavy big, set up the precision height, need to adapt to that change is striden and curve such as sets up at characteristics.Beijing-Shanghai High-Speed Railway need be passed through cable-carried arch bridge and be set up the case beam, and some Line for Passenger Transportation is located in hills and mountain area, and the bridge formation machine need set up the case beam by the tunnel.
Existing bridge formation machine is when operation, if can't continue to build bridge in the place ahead, and want to turn round when opposite direction is set up the case beam, must transfer turnback to girder, and before turning girder, the forward and backward supporting leg that is connected on the girder all will be removed, after girder has been turned, the more forward and backward supporting leg of girder is connected up, therefore, when bridge formation machine commutation operation, comparatively bother.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model purpose is to provide a kind of need not turn the girder front and back position, just realizes the nose girder formula bridge formation machine of two-way operation.
In order to reach above purpose, the scheme that the utility model adopts is: but a kind of nose girder formula bridge formation machine of two-way operation, comprise girder and following nose girder, described girder leading section is provided with the girder front leg strut, rearward end is provided with the girder rear support leg, be respectively equipped with down the nose girder front leg strut on the bottom surface of described nose girder down backward in the past, movable supporting legs, following nose girder contraposition supporting leg, described movable supporting legs is the structure that can stretch up and down, described movable supporting legs can be used as described down nose girder and is supported in a fulcrum on the bridge floor, when described movable supporting legs protrudes upward, can be used as described girder and be supported in a fulcrum of bridge floor, described girder front leg strut and girder rear support leg all are removably disposed on the described girder, and described girder front leg strut also can be installed in the rearward end place of described girder, and described girder rear support leg also can be installed in the front end of described girder.
Preferably, the rearward end of described girder is provided with the rear support leg flanged plate, and described girder leading section is provided with the front leg strut flanged plate, and described rear support leg flanged plate both can be connected with described girder rear support leg, also can be connected with described girder front leg strut; Described front leg strut flanged plate both can be connected with described girder front leg strut, also can be connected with described girder rear support leg.
Because the utility model has adopted above technical scheme, obtain following beneficial effect: by the forward and backward supporting leg of girder being arranged to the structure of replaceable installation, like this when whole bridge formation machine needs operation in the other direction, as long as the forward and backward supporting leg transposition of girder can be realized, and during transposition, the strong point of movable supporting legs as girder arranged, safe and convenient.
Description of drawings
Accompanying drawing 1 is the structural representation of nose girder formula bridge formation machine of the present utility model;
Accompanying drawing 3 is structural representations of nose girder front leg strut under the nose girder formula bridge formation machine of the present utility model;
Accompanying drawing 5 is structural representations of nose girder formula movable supporting legs of bridge erecting machine of the present utility model;
Accompanying drawing 7 is nose girder formula crane ' s major girder structural representations of the present utility model;
Accompanying drawing 8 is structural representations of nose girder formula girder front leg strut of the present utility model;
Accompanying drawing 9 is structural representations of nose girder formula girder rear support leg of the present utility model;
Accompanying drawing 10 is that nose girder formula girder front leg strut of the present utility model reaches the schematic diagram of nose girder front leg strut duty down;
Accompanying drawing 11 is front views of nose girder formula bridge formation machine lifting overhead traveling crane of the present utility model;
Accompanying drawing 12 is lateral views of nose girder formula bridge formation machine lifting overhead traveling crane of the present utility model;
Accompanying drawing 13 is structural representations of nose girder formula movable supporting legs of bridge erecting machine feeding beam state of the present utility model;
Accompanying drawing 14 is structural representations of nose girder formula movable supporting legs of bridge erecting machine duty of the present utility model;
Wherein: 1, girder; 101, girder unit; 102, rear support leg flanged plate; 103, front leg strut flanged plate; 2, girder front leg strut; 201, first telescopic mast; 202, telescopic oil cylinder; 203, top rail; 204, overturning oil cylinder; 205, first tie-beam; 206, the 3rd traveling roller box; 3, girder rear support leg; 301, the bent leg of C shape; 302, straight leg; 303, second telescopic mast; 304, the first traveling roller box; 4, following nose girder; 401, carry beam dolly aisle square steel on the back; 402, orbit square steel voluntarily; 403, hanging rail square steel; 5, following nose girder front leg strut; 501, supporting leg door frame; 502, hang wheel; 503, first oil cylinder; 504, second spiral top; 6, following nose girder contraposition supporting leg; 601, supporting leg crossbeam; 602, the second traveling roller box; 603, second oil cylinder; 604, free bearing; 7, movable supporting legs; 701, base; 702, the 3rd telescopic mast; 703, locking mechanism; 704, hanging mechanism; 705, oil cylinder; 706, following nose girder connecting gear; 707, bearing; 708, roller; 709, jacking unit; 8, lifting overhead traveling crane; 801, crownblock beam; 802, vertical shift oil cylinder; 803, fixed pulley group; 804, running block; 805, sideslip oil cylinder; 9, suspender.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Referring to the nose girder formula bridge formation machine shown in the accompanying drawing 1, it comprises girder 1, be installed in the girder front leg strut 2 of girder 1 leading section, be installed in main beam rear end portion girder rear support leg 3, be installed in the girder below following nose girder 4, be installed in down the nose girder leading section following nose girder front leg strut 5, be installed in down the following nose girder contraposition supporting leg 6 of nose girder rearward end, be arranged on down movable supporting legs 7 on the nose girder 4 movably, also movably be provided with lifting overhead traveling crane 8 and suspender 9 on the girder 1.Movable supporting legs 7 is the structure that can stretch up and down, and it both can be used as down nose girder 4 and has been supported in a fulcrum on the bridge floor, and when movable supporting legs 7 protruded upward, it also can be used as the fulcrum that girder 1 is supported in bridge floor.
As shown in Figure 7, girder 1 is a twin beams box-shaped formula, and every group of girder is made of four joint girder unit 101, and vertically symmetric design can realize two-way operation.Concrete structure is: the rearward end of girder is established rear support leg flanged plate 102, and the girder leading section is provided with front leg strut flanged plate 103, and rear support leg flanged plate 102 both can be connected with described girder rear support leg 3, also can be connected with girder front leg strut 2; Front leg strut flanged plate 103 both can be connected with girder front leg strut 2, also can be connected with girder rear support leg 3.Girder front leg strut 2 and girder rear support leg 3 all are both can be connected the leading section of girder 1, also can be connected the rearward end of girder 1.Each saves between the girder unit 101 splices by burnished bolt and junction plate, and whole girder 1 is the main load bearing component of bridge formation machine.The top of girder 1 is provided with the chute board for lifting overhead traveling crane displacement slippage.There is the connection crossbeam at the girder two ends, connect on the crossbeam hoist engine can be installed.
As shown in Figure 8, girder front leg strut 2 comprises two first telescopic masts 201 being connected with girder 1, is used to the overturning oil cylinder 204 controlling the flexible telescopic oil cylinder 202 of first telescopic mast, be used to control the upset of first telescopic mast.It is hinged by free bearing with top rail 203 that the top of first telescopic mast 201 is provided with top rail 203, the first telescopic masts 201, and top rail 203 is connected with girder 1.First telescopic mast 201 is connected with the piston rod of overturning oil cylinder 204, and overturning oil cylinder 204 is arranged on the inside of first telescopic mast 201, when the piston rod of overturning oil cylinder 204 is regained, makes 201 upsets of first telescopic mast.Be provided with first tie-beam 205 between two first telescopic masts 201, first tie-beam 205 is provided with the 3rd traveling roller box 206, the 3rd traveling roller box 206 cooperates with first guide rail on the following nose girder 4 and can slippage on first guide rail, thereby drives girder front leg strut 2 and whole girder 1 moves.
As shown in Figure 9, girder rear support leg 3 comprises the bent leg 301 of C shape, and the upper end of the bent leg 301 of C shape is hinged by free bearing and girder 1, and the bottom of the bent leg 301 of C shape is connected with straight leg 302.Be provided with second telescopic mast 303 in the straight leg 302, second telescopic mast 303 stretches out with girder 1 and is connected when shifting between bridge formation machine via hole or bridge, can make himself stable.Straight leg 302 bottoms are connected with the first traveling roller box and sleeper beam (not shown), girder rear support leg 3 moves on the case beam by the first traveling roller box 304, the sleeper beam bottom is equipped with first spiral top, and when zero load, first spiral top is as the support and the governor motion of girder rear support leg.When on the girder 1 load being arranged, this moment is by the back support component of movable supporting legs 7 as girder 1.
Referring to Fig. 2, following nose girder 4 supporting parts are case beam section structure, and the nose girder of auxiliary via hole partly is the capable cross section structure of groove.Following nose girder 4 end faces are laid and are carried beam dolly aisle square steel 401 on the back, the orbit square steel voluntarily 402 that uses when following nose girder 4 bottom surfaces are provided with for time nose girder 4 via holes, and following nose girder 1 bottom surface dual-side also is provided with the hanging rail square steel 403 that movable supporting legs 7 is used for vertical shift.Following nose girder 4 tops are equipped with first guide rail that matches with the 3rd traveling roller box 206, and following nose girder 4 bottoms are provided with second guide rail, and movable supporting legs 7 and following nose girder front leg strut 5 can move on second guide rail.
As shown in Figure 3, following nose girder front leg strut 5 comprises supporting leg door frame 501, hangs wheel 502, first oil cylinder 503, the piston rod that is arranged on second spiral top, 504, the first oil cylinders 503 of supporting leg door frame 501 upper ends pushes up 504 with second spiral and be connected.When the piston rod of first oil cylinder 503 stretched out, following nose girder front leg strut 5 was connected with following nose girder 4 bottoms by second spiral top 504, and following nose girder 4 is supported by nose girder front leg strut 5 down, and nose girder 4, second spiral pushed up 504 under load was passed through, supporting leg door frame 501 transmits downwards.When the piston rod of first oil cylinder 503 is withdrawn, removed being connected between second spiral top 504 and the following nose girder 4, following nose girder front leg strut 5 502 is hung on second guide rail by hanging wheel, and following nose girder front leg strut 5 can move before and after on second guide rail under the driving of first motor.Following nose girder front leg strut 5 locks schematic diagram referring to accompanying drawing 4 with Dun Ding, and the duty of following nose girder front leg strut 5 and girder front leg strut 2 is referring to shown in the accompanying drawing 10.
As shown in Figure 6, following nose girder contraposition supporting leg 6 comprises the supporting leg crossbeam 601 that the upper end is connected with following nose girder 4, second roller box 602 out of shape that is arranged on supporting leg crossbeam 601 bottoms, the second traveling roller box 602 is power and the rolling running mechanism when descending nose girder 4 and the displacement of bridge formation machine via hole by the 3rd motor-driven.The both ends of supporting leg crossbeam 601 are installed in respectively on the free bearing 604, and the second traveling roller box 602 is connected with supporting leg crossbeam 601 by described free bearing 604.The bottom of supporting leg crossbeam 601 is connected with second oil cylinder 603, and following nose girder contraposition supporting leg 6 can rise under the effect of second oil cylinder 603 and descend, and after fortune beam dolly fortune beam put in place, second oil cylinder 603 was adjusted the height of nose girder 4 down, docks with Beam transportation vehicle.Following nose girder contraposition supporting leg 6 both can be fixedlyed connected with the rearward end of following nose girder 4, also can fixedly connected with girder rear support leg 3, following nose girder contraposition supporting leg 6 is provided with power unit, this power unit can drive down, and nose girder contraposition supporting leg 6 moves forward, when the supporting leg of nose girder contraposition instantly 6 is connected with following nose girder 4, following nose girder contraposition supporting leg 6 can be used as down nose girder 4 and is supported on rear fulcrum on the bridge floor, and under the situation that nose girder 4 moves forward down, following nose girder contraposition supporting leg 6 also can be used as actuating unit; When the supporting leg of nose girder contraposition instantly 6 was fixedlyed connected with girder rear support leg 3, following nose girder contraposition supporting leg 6 can be used as girder 1 and is supported on rear fulcrum on the case beam, and under the situation that girder 1 moves forward, following nose girder contraposition supporting leg 6 also can be used as actuating unit.
As shown in Figure 5, movable supporting legs 7 comprise base 701, bottom-hinged at a pair of the 3rd telescopic mast 702 at base 701 both ends, drive and stretch the flexible oil cylinder 705 of the 3rd telescopic mast 702, be arranged on being used on the base 701 and base be locked in the locking mechanism 703 on the case beam and drive the hanging mechanism 704 that movable supporting legs 7 moves forward and backward.When movable supporting legs 7 needs were mobile, movable supporting legs 7 moved on second guide rail by hanging mechanism 704.The 3rd telescopic mast 702 is made up of two joint telescopic mast unit, two joint telescopic mast unit sockets.Superposed telescopic mast unit is connected with the piston rod of oil cylinder 705, and when the piston rod of oil cylinder 705 stretched out, superposed telescopic mast unit stretched out, and can be used as a fulcrum that supports girder 1; When the piston rod of oil cylinder 705 is withdrawn, the withdrawal of superposed telescopic mast unit.Specifically referring to accompanying drawing 13,14, movable supporting legs 7 also comprises nose girder connecting gear 706 down, following nose girder connecting gear 706 comprises the bearing 707 that is arranged on the base 701, be arranged on roller 708 above the bearing 707, drive the jacking unit 709 that bearing 707 moves up, jacking unit 709 is arranged on the base 701, when nose girder 4 was advanced instantly, following nose girder 4 was supported on the roller 708 and moves ahead.
Shown in Figure 11,12, lifting overhead traveling crane 8 comprises crownblock beam 801, is arranged on the vertical shift oil cylinder 802 on the girder 1, the piston rod of vertical shift oil cylinder 802 is connected with crownblock beam 801, and crownblock beam 801 can move forward and backward under the effect of vertical shift oil cylinder 802, to adapt to the lifting of different spans beam type.Hoist engine adopts motor-driven, can carry out stepless speed regulation, realizes that suspender does not have the lifting of impact and stops hook.Hoist engine is installed in girder 1 rear and front end and connects on the crossbeam 102.Suspender 9 is connected with crownblock beam 801 by pulley assembly.Pulley assembly comprises fixed pulley group 803 and running block 804.Fixed pulley group 803 is arranged on the crownblock beam 801, and it comprises a plurality of pulley sheets, and the pulley sheet is connected with the piston rod of sideslip oil cylinder 805, and the pulley sheet can move laterally along girder 1 under the effect of sideslip oil cylinder 805, the accurate positioning requirements when falling beam to satisfy.Running block 804 is made up of a plurality of pulley sheets and casing, and its bottom is connected with suspender 9.For guaranteeing the hanging beam job safety, hoist engine is provided with two cover check mechanism, and the hoist engine speed end is provided with hydraulic push-rod brake, and the reel baffle plate is provided with the hydraulic tongs disk brake.
Also can be installed in the rear end of girder 1 by the front end of crane ' s major girder front leg strut 2 and girder rear support leg 3 all being arranged to both can be installed in girder 1, so just make the bridge formation machine can realize two-way operation.And when changing girder front leg strut 2 and girder rear support leg 3, the telescopic mast of movable supporting legs 7 risen make it can be as a strong point of girder 1, when changing girder front leg strut 2 and girder rear support leg 3, promptly safety have conveniently like this.
In addition, movable supporting legs 7 both can be connected down on the nose girder 4 and also can be connected on the girder 1, thereby made it both can be used as down nose girder 4 the via holes power and the rolling running mechanism in when displacement, power and rolling running mechanism when also can be used as the displacement of girder 1 via hole.
Set forth below should bridge formation machine construction operation idiographic flow:
Step 1: after Beam transportation vehicle fortune beam put in place, fine setting is the following nose girder contraposition supporting leg of nose girder afterbody down, and the Beam transportation vehicle butt joint is nose girder down;
The sliding beam of sliding beam dolly on step 2, the fortune beam dolly puts in place, and movable supporting legs protrudes upward to the girder bottom and holds out against and lock;
Step 3: lifting overhead traveling crane hanging beam, sliding beam dolly is return Beam transportation vehicle, and the releasing Beam transportation vehicle is connected with following nose girder, and Beam transportation vehicle returns Liang Chang fortune beam;
Step 4: nose girder retreats to assigned address under the bridge floor, and the lifting overhead traveling crane falls beam to the exact position.
Claims (2)
1. but the nose girder formula bridge formation machine of a two-way operation, comprise girder (1) and following nose girder (4), described girder (1) leading section is provided with girder front leg strut (2), rearward end is provided with girder rear support leg (3), be respectively equipped with down nose girder front leg strut (5) on the bottom surface of described nose girder (4) down backward in the past, movable supporting legs (7), following nose girder contraposition supporting leg (6), described movable supporting legs (7) is the structure that can stretch up and down, described movable supporting legs (7) can be used as described down nose girder (4) and is supported in a fulcrum on the bridge floor, when described movable supporting legs (7) when protruding upward, described movable supporting legs (7) can be used as the fulcrum that described girder (1) is supported in bridge floor again, it is characterized in that: described girder front leg strut (2) and girder rear support leg (3) all are removably disposed on the described girder (1), and described girder front leg strut (2) also can be installed in the rearward end place of described girder (1), and described girder rear support leg (3) also can be installed in the front end of described girder (1).
2. but the nose girder formula bridge formation machine of two-way operation according to claim 1, it is characterized in that: the rearward end of described girder (1) is provided with the rear support leg flanged plate, described girder (1) leading section is provided with the front leg strut flanged plate, and described rear support leg flanged plate both can be connected with described girder rear support leg (3), also can be connected with described girder front leg strut (2); Described front leg strut flanged plate both can be connected with described girder front leg strut (2), also can be connected with described girder rear support leg (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920185943 CN201473890U (en) | 2009-07-20 | 2009-07-20 | Bilaterally operational girder bridge erecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920185943 CN201473890U (en) | 2009-07-20 | 2009-07-20 | Bilaterally operational girder bridge erecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201473890U true CN201473890U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920185943 Expired - Lifetime CN201473890U (en) | 2009-07-20 | 2009-07-20 | Bilaterally operational girder bridge erecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201473890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956371B (en) * | 2009-07-20 | 2011-12-28 | 苏州大方特种车股份有限公司 | Guide beam type bridge-ejecting machine for double-way operation |
| CN104299506A (en) * | 2014-10-21 | 2015-01-21 | 西安交通大学 | Wide lane-through type bridge erecting machine teaching aid for teaching |
-
2009
- 2009-07-20 CN CN 200920185943 patent/CN201473890U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956371B (en) * | 2009-07-20 | 2011-12-28 | 苏州大方特种车股份有限公司 | Guide beam type bridge-ejecting machine for double-way operation |
| CN104299506A (en) * | 2014-10-21 | 2015-01-21 | 西安交通大学 | Wide lane-through type bridge erecting machine teaching aid for teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090720 |