CN110593131A - A cross-traversal avoidance beam drop device and beam drop method of a bridge erecting machine - Google Patents
A cross-traversal avoidance beam drop device and beam drop method of a bridge erecting machine Download PDFInfo
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
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Abstract
本发明公开了一种架桥机的交叉横移避让落梁装置及其落梁方法，主梁的底端通过螺栓与支撑盘固定连接，支撑盘的底端滑动连接有横移梁，主梁的底端通过螺栓与支撑盘固定连接，支撑盘的底端滑动连接有横移梁，两个螺杆与横移梁呈平行设置，在两个螺杆的一端转动连接有减速箱，启动电机，使得两个电机始终转向相反，电机带动减速箱内的转轴转动，进而通过减速箱内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘沿横移梁的长度方向移动，使得支撑盘带动主梁横移，在落梁时，通过进而使得主梁在落梁过程中能够作为预制梁架设过程中的配重，使得龙门架两侧支腿受力更均衡，增加支腿的稳定性，提高了落梁的安全性。
The invention discloses a bridge-erecting machine's cross-traversing girder drop avoidance device and a girder drop method thereof. The bottom end of the main girder is fixedly connected with a support plate through bolts, and the bottom end of the support plate is slidably connected with a traverse beam, and the main girder The bottom end of the support plate is fixedly connected with the support plate through bolts, and the bottom end of the support plate is slidingly connected with a traversing beam. The two motors always turn in the opposite direction. The motor drives the rotating shaft in the reduction box to rotate, and then drives the screw to rotate through the rotating shaft in the reduction box, so that the screw drives the moving block to move along the length direction of the screw, and then drives the support plate to move along the length direction of the traverse beam. The movement makes the support plate drive the main girder to move laterally. When the beam is falling, the main girder can be used as the counterweight in the process of prefabricated beam erection during the beam falling process, so that the force on the legs on both sides of the gantry frame is more balanced, increasing The stability of the outriggers improves the safety of falling beams.
Description
技术领域technical field
本发明涉及落梁装置领域，具体为一种架桥机的交叉横移避让落梁装置及其落梁方法。The invention relates to the field of beam drop devices, in particular to a beam drop device and a beam drop method for cross-moving avoidance of a bridge erecting machine.
背景技术Background technique
架桥机是一种将预制好的梁片放置到预制好的桥墩上去的设备，属于起重机范畴，在公路、铁路轨道上行驶、用于整跨架设小跨梁的桥梁施工机械。现有的架桥机为下行式架桥机，现有的架桥机在落梁时架桥机的主梁不会进行移动，预制桥梁在水平移动至待架设的位置时，直接将预制桥梁降落，其在落梁过程中，龙门架两侧的支腿受力不均匀，容易在落梁过程中使得预制桥梁发生翻转，进而影响落梁的位置，严重时预制桥梁可能会侧翻掉落，造成损伤。The bridge erecting machine is a kind of equipment that places prefabricated beams on prefabricated bridge piers. It belongs to the category of cranes. It is a bridge construction machine that travels on roads and railway tracks and is used to erect small span beams across the entire span. The existing bridge erecting machine is a descending bridge erecting machine. The main girder of the existing bridge erecting machine will not move when the beam falls. When the prefabricated bridge moves horizontally to the position to be erected, the prefabricated bridge will be directly moved Landing, during the beam falling process, the legs on both sides of the gantry are unevenly stressed, which may easily cause the prefabricated bridge to overturn during the beam falling process, thereby affecting the position of the falling beam. In severe cases, the prefabricated bridge may roll over and fall , causing damage.
发明内容Contents of the invention
本发明的目的在于提供一种架桥机的交叉横移避让落梁装置及其落梁方法，以解决现有的架桥机在落梁时架桥机的主梁不会进行移动，预制桥梁在水平移动至待架设的位置时，直接将预制桥梁降落，其在落梁过程中，龙门架两侧的支腿受力不均匀，容易在落梁过程中使得预制桥梁发生翻转，进而影响落梁的位置的技术问题。The object of the present invention is to provide a bridge erecting machine cross-moving to avoid falling beam device and its beam dropping method, to solve the problem that the main girder of the bridge erecting machine will not move when the existing bridge erecting machine drops the beam, and the prefabricated bridge When moving horizontally to the position to be erected, the prefabricated bridge is directly lowered. During the beam falling process, the legs on both sides of the gantry frame are under uneven force, which is easy to cause the prefabricated bridge to overturn during the beam falling process, thereby affecting the falling. A technical problem with the position of the beam.
本发明的目的可以通过以下技术方案实现：The purpose of the present invention can be achieved through the following technical solutions:
一种架桥机的交叉横移避让落梁装置，包括：主梁、支撑盘、支腿、液压缸、支撑架、吊带、第一气缸、第一伸缩杆、第二气缸、第二伸缩杆、电机和横移梁，主梁的底端通过螺栓与支撑盘固定连接，支撑盘的底端滑动连接有横移梁，横移梁通过螺栓与支架固定连接，支撑盘的底端对称设置有若干移动块，若干移动块均通过螺栓与支撑盘固定连接，若干移动块通过螺纹孔与螺杆活动连接，螺杆的数量为两个，两个螺杆呈平行设置，且两个螺杆与横移梁呈平行设置，两个螺杆的一端均转动连接有减速箱，减速箱的一端转动连接有电机，且减速箱通过螺栓与支架固定连接，使得两个减速箱以支架的中心线对称设置，支撑架的顶端设置有卷扬机，卷扬机的底端通过螺栓与固定板固定安装，固定板与支撑架滑动连接，固定板的一端通过筋板与第一伸缩杆固定安装，第一伸缩杆与第一气缸活动连接，第一气缸通过螺栓与支撑架固定连接，卷扬机的一端活动安装有吊绳，吊绳与横梁固定连接，横梁的一端固定安装有用于吊装预制梁的吊带。A bridge-erecting machine's cross-traversal avoidance beam drop device, comprising: main beam, support plate, outrigger, hydraulic cylinder, support frame, sling, first cylinder, first telescopic rod, second cylinder, second telescopic rod , the motor and the traverse beam, the bottom of the main beam is fixedly connected with the support plate through bolts, the bottom end of the support plate is slidingly connected with the traverse beam, the traverse beam is fixedly connected with the bracket through bolts, and the bottom of the support plate is symmetrically arranged with Several moving blocks, all of which are fixedly connected to the support plate through bolts, and several moving blocks are movably connected to the screw rods through threaded holes. The number of screw rods is two, and the two screw rods are arranged in parallel. Arranged in parallel, one end of the two screws is rotatably connected to a gear box, and one end of the gear box is rotatably connected to a motor, and the gear box is fixedly connected to the bracket through bolts, so that the two gear boxes are symmetrically arranged on the center line of the bracket, and the support frame There is a hoist at the top, the bottom of the hoist is fixed to the fixed plate through bolts, the fixed plate is slidingly connected to the support frame, one end of the fixed plate is fixed to the first telescopic rod through the rib plate, and the first telescopic rod is flexibly connected to the first cylinder , the first cylinder is fixedly connected to the support frame through bolts, a sling is movably installed at one end of the winch, the sling is fixedly connected with the beam, and one end of the beam is fixedly installed with a sling for hoisting the prefabricated beam.
作为本发明的进一步方案，支架的两端对称设置有支腿，支腿的顶端和底端分别通过支撑底座与支撑架和支架固定连接。As a further solution of the present invention, outriggers are arranged symmetrically at both ends of the support, and the top and bottom ends of the outriggers are respectively fixedly connected to the support frame and the support through the support base.
作为本发明的进一步方案，支撑架的顶端通过螺栓固定安装有防护架，支架的底端设置有用于支撑的桥墩。As a further solution of the present invention, the top end of the support frame is fixed with a protective frame by bolts, and the bottom end of the support frame is provided with a pier for supporting.
作为本发明的进一步方案，支腿的一端设置有液压缸，液压缸的顶端与支撑架通过铰接件活动连接，液压缸的底端活动连接有推杆，推杆的底端与安装底座活动连接，安装底座通过螺栓与支架固定连接。As a further solution of the present invention, one end of the leg is provided with a hydraulic cylinder, the top of the hydraulic cylinder is movably connected to the support frame through a hinge, the bottom end of the hydraulic cylinder is movably connected to a push rod, and the bottom end of the push rod is movably connected to the mounting base , the mounting base is fixedly connected with the bracket through bolts.
作为本发明的进一步方案，横梁的一端设置有第二气缸，第二气缸通过螺栓与支腿固定连接，第二气缸的一端活动连接有第二伸缩杆，第二伸缩杆通过螺栓与横梁固定连接。As a further solution of the present invention, one end of the crossbeam is provided with a second cylinder, the second cylinder is fixedly connected with the legs through bolts, one end of the second cylinder is movably connected with a second telescopic rod, and the second telescopic rod is fixedly connected with the crossbeam through bolts .
该落梁装置的使用方法具体包括如下步骤：The using method of this drop beam device specifically comprises the following steps:
第一步，将吊带安装在预制梁上，启动电机，使得两个电机始终转向相反，电机带动减速箱内的转轴转动，进而通过减速箱内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘沿横移梁的长度方向移动，使得支撑盘带动主梁横移至支架的一侧；The first step is to install the sling on the prefabricated beam and start the motor so that the two motors always turn in opposite directions. The motor drives the shaft in the reduction box to rotate, and then drives the screw to rotate through the shaft in the reduction box, so that the screw drives the moving block along the screw. The length direction of the beam moves, and then drives the support plate to move along the length direction of the traversing beam, so that the support plate drives the main beam to move laterally to one side of the bracket;
第二步，同时启动第一气缸和第二气缸，使得第一气缸和第二气缸分别驱动第一伸缩杆和第二伸缩杆带动卷扬机和横梁向远离主梁的方向移动；In the second step, start the first cylinder and the second cylinder at the same time, so that the first cylinder and the second cylinder respectively drive the first telescopic rod and the second telescopic rod to drive the winch and the beam to move away from the main beam;
第三步，启动卷扬机，卷扬机带动吊绳下降，进而通过吊绳带动横梁下降，使得横梁将预制梁降落至需要位置，落梁后卷扬机带动横梁上升，并通过第一气缸和第二气缸驱动第一伸缩杆和第二伸缩杆将卷扬机和横梁横移至初始位置，同时启动电机驱动主梁横移至初始位置，进行下一个落梁循环。The third step is to start the hoist, the hoist drives the sling down, and then drives the beam down through the sling, so that the beam lowers the prefabricated beam to the required position. After the beam falls, the hoist drives the beam up, and drives the first cylinder and the second cylinder. The first telescopic rod and the second telescopic rod move the hoist and the beam to the initial position, and at the same time start the motor to drive the main beam to move to the initial position to perform the next beam drop cycle.
本发明的有益效果：将主梁的底端通过螺栓与支撑盘固定连接，支撑盘的底端滑动连接有横移梁，将两个螺杆与横移梁呈平行设置，并在两个螺杆的一端转动连接有减速箱，启动电机，使得两个电机始终转向相反，电机带动减速箱内的转轴转动，进而通过减速箱内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘沿横移梁的长度方向移动，使得支撑盘带动主梁横移，在落梁过程中，通过进而使得主梁在落梁过程中能够作为预制梁架设过程中的配重，使得龙门架两侧支腿受力更均衡，增加支腿的稳定性，提高了落梁的安全性。Beneficial effects of the present invention: the bottom end of the main beam is fixedly connected to the support plate through bolts, and the bottom end of the support plate is slidably connected with a traversing beam, and the two screw rods are arranged in parallel with the traversing beam. One end is rotatably connected to a reduction box, and the motor is started so that the two motors always turn in opposite directions. The motor drives the shaft in the reduction box to rotate, and then drives the screw to rotate through the shaft in the reduction box, so that the screw drives the moving block to move along the length of the screw. Then drive the support plate to move along the length direction of the traverse beam, so that the support plate drives the main girder to move laterally. The force on the outriggers on both sides of the gantry frame is more balanced, which increases the stability of the outriggers and improves the safety of the falling beam.
附图说明Description of drawings
为了便于本领域技术人员理解，下面结合附图对本发明作进一步的说明。In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings.
图1为本发明的落梁的起吊示意图；Fig. 1 is the hoisting schematic diagram of falling beam of the present invention;
图2为本发明的交叉横移避让落梁示意图；Fig. 2 is a schematic diagram of cross-traversing to avoid falling beams of the present invention;
图3为本发明的落梁后的安装示意图；Fig. 3 is the installation schematic diagram behind the falling beam of the present invention;
图中：1、主梁；2、支架；3、支撑底座；4、支撑盘；5、支腿；6、液压缸；7、推杆；8、支撑架；9、卷扬机；10、吊绳；11、横梁；12、吊带；13、安装底座；14、预制梁；15、桥墩；16、防护架；17、第一气缸；18、第一伸缩杆；19、第二气缸；20、第二伸缩杆；21、电机；22、减速箱；23、横移梁。In the figure: 1. Main beam; 2. Bracket; 3. Support base; 4. Support plate; 5. Outrigger; 6. Hydraulic cylinder; 7. Push rod; 8. Support frame; 9. Hoist; 10. Sling ; 11, beam; 12, sling; 13, installation base; 14, prefabricated beam; 15, pier; 16, protective frame; 17, the first cylinder; Two telescopic rods; 21, motor; 22, reduction box; 23, traverse beam.
具体实施方式Detailed ways
下面将结合实施例对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
请参阅图1-3所示，一种架桥机的交叉横移避让落梁装置，包括主梁1、支撑盘4、支腿5、液压缸6、吊带12、第一气缸17、第一伸缩杆18、第二气缸19、第二伸缩杆20、电机21和横移梁23，主梁1的底端通过螺栓与支撑盘4固定连接，支撑盘4的底端滑动连接有横移梁23，横移梁23通过螺栓与支架2固定连接，支撑盘4的底端对称设置有若干移动块，若干移动块均通过螺栓与支撑盘4固定连接，若干移动块通过螺纹孔与螺杆活动连接，螺杆的数量为两个，两个螺杆呈平行设置，且两个螺杆与横移梁23呈平行设置，两个螺杆的一端均转动连接有减速箱22，减速箱22的一端转动连接有电机21，且减速箱22通过螺栓与支架2固定连接，使得两个减速箱22以支架2的中心线对称设置，进而当需要将主梁1沿横移梁23的长度方向移动时，启动电机21，使得两个电机21始终转向相反，电机21带动减速箱22内的转轴转动，进而通过减速箱22内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘4沿横移梁23的长度方向移动，使得支撑盘4带动主梁1横移，以满足落梁的需要。Please refer to Fig. 1-3, a kind of cross-traversing avoidance girder drop device of bridge erecting machine, including main girder 1, support plate 4, outrigger 5, hydraulic cylinder 6, suspender belt 12, first cylinder 17, first The telescopic rod 18, the second cylinder 19, the second telescopic rod 20, the motor 21 and the traverse beam 23, the bottom end of the main beam 1 is fixedly connected with the support plate 4 by bolts, and the bottom end of the support plate 4 is slidingly connected with the traverse beam 23. The traversing beam 23 is fixedly connected to the bracket 2 through bolts, and the bottom end of the support plate 4 is symmetrically provided with a number of moving blocks, which are all fixedly connected to the support plate 4 through bolts, and several moving blocks are movably connected to the screw through threaded holes , the number of screw rods is two, the two screw rods are arranged in parallel, and the two screw rods are arranged in parallel with the traversing beam 23, and one end of the two screw rods is connected with a reduction box 22 in rotation, and one end of the reduction box 22 is connected with a motor in rotation 21, and the reduction box 22 is fixedly connected to the bracket 2 by bolts, so that the two reduction boxes 22 are arranged symmetrically with the center line of the bracket 2, and then when the main beam 1 needs to be moved along the length direction of the traverse beam 23, the motor 21 is started , so that the two motors 21 always turn in opposite directions, and the motor 21 drives the rotating shaft in the reduction box 22 to rotate, and then drives the screw to rotate through the rotating shaft in the reduction box 22, so that the screw drives the moving block to move along the length direction of the screw, and then drives the support plate 4 Move along the length direction of the traverse beam 23, so that the support plate 4 drives the main beam 1 to traverse to meet the needs of falling beams.
支架2的两端对称设置有支腿5，支腿5的顶端和底端分别通过支撑底座3与支撑架8和支架2固定连接，支撑架8的顶端通过螺栓固定安装有防护架16，支架2的底端设置有桥墩15，支架2通过桥墩15提供支撑。The two ends of support 2 are symmetrically provided with support legs 5, and the top and bottom ends of support legs 5 are respectively fixedly connected with support frame 8 and support 2 through support base 3, and the top of support frame 8 is fixedly equipped with protective frame 16 by bolts, and the support The bottom end of 2 is provided with pier 15, and support 2 provides support through pier 15.
支腿5的一端设置有液压缸6，液压缸6的顶端与支撑架8通过铰接件活动连接，液压缸6的底端活动连接有推杆7，推杆7的底端与安装底座13活动连接，安装底座13通过螺栓与支架2固定连接。One end of the leg 5 is provided with a hydraulic cylinder 6, the top of the hydraulic cylinder 6 is movably connected with the support frame 8 through a hinge, the bottom end of the hydraulic cylinder 6 is movably connected with a push rod 7, and the bottom end of the push rod 7 is movable with the mounting base 13 Connection, the installation base 13 is fixedly connected with the bracket 2 by bolts.
支撑架8的顶端设置有卷扬机9，卷扬机9的底端通过螺栓与固定板固定安装，固定板与支撑架8滑动连接，固定板的一端通过筋板与第一伸缩杆18固定安装，第一伸缩杆18与第一气缸17活动连接，第一气缸17通过螺栓与支撑架8固定连接，进而当启动第一气缸17时，第一气缸17推动第一伸缩杆18沿水平方形移动，进而通过第一伸缩杆18带动固定板移动，使得固定板带动卷扬机9沿水平方向横移。The top of support frame 8 is provided with hoist 9, and the bottom end of hoist 9 is fixedly installed with fixed plate by bolt, and fixed plate and support frame 8 are slidingly connected, and one end of fixed plate is fixedly installed with first telescopic link 18 by rib plate, the first The telescopic rod 18 is movably connected with the first cylinder 17, and the first cylinder 17 is fixedly connected with the support frame 8 by bolts, and then when the first cylinder 17 is activated, the first cylinder 17 pushes the first telescopic rod 18 to move along a horizontal square, and then passes The first telescopic rod 18 drives the fixed plate to move, so that the fixed plate drives the winch 9 to move horizontally.
卷扬机9的一端活动安装有吊绳10，吊绳10与横梁11固定连接，横梁11的一端固定安装有用于吊装预制梁14的吊带12，进而使得当落梁时，启动卷扬机9，卷扬机9带动吊绳10下降，进而通过吊绳10带动横梁11下降，使得横梁11将预制梁14降落至需要位置。One end of hoist 9 is movably installed with suspension rope 10, and suspension rope 10 is fixedly connected with crossbeam 11, and one end of crossbeam 11 is fixedly installed with suspender 12 for hoisting prefabricated beam 14, and then makes when falling beam, start hoist 9, and hoist 9 drives hoist. The rope 10 descends, and then the crossbeam 11 is driven down by the suspension rope 10, so that the crossbeam 11 lowers the prefabricated beam 14 to a desired position.
横梁11的一端设置有第二气缸19，第二气缸19通过螺栓与支腿5固定连接，第二气缸19的一端活动连接有第二伸缩杆20，第二伸缩杆20通过螺栓与横梁11固定连接，进而当需要横移卷扬机9和横梁11时，第二气缸19与第一气缸17同时启动，使得第二气缸19与第一气缸17驱动的行程保持同步，第二气缸19推动第二伸缩杆20移动，进而通过第二伸缩杆20推动横梁11移动，使得横梁11与卷扬机9同步移动，进而保证在横移预制梁14时有足够的动力驱动，且足够稳定。One end of the crossbeam 11 is provided with a second cylinder 19, the second cylinder 19 is fixedly connected with the leg 5 by bolts, one end of the second cylinder 19 is movably connected with a second telescopic rod 20, and the second telescopic rod 20 is fixed to the crossbeam 11 by bolts connection, and then when the hoist 9 and beam 11 need to be traversed, the second cylinder 19 and the first cylinder 17 are activated simultaneously, so that the strokes driven by the second cylinder 19 and the first cylinder 17 are synchronized, and the second cylinder 19 pushes the second telescopic The rod 20 moves, and then the second telescopic rod 20 pushes the beam 11 to move, so that the beam 11 and the winch 9 move synchronously, thereby ensuring that there is sufficient power to drive the prefabricated beam 14 and is stable enough.
该落梁装置的使用方法具体包括如下步骤：The using method of this drop beam device specifically comprises the following steps:
第一步，将吊带12安装在预制梁14上，启动电机21，使得两个电机21始终转向相反，电机21带动减速箱22内的转轴转动，进而通过减速箱22内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘4沿横移梁23的长度方向移动，使得支撑盘4带动主梁1横移至支架2的一侧；The first step is to install the sling 12 on the prefabricated beam 14, start the motor 21, so that the two motors 21 always turn in opposite directions, the motor 21 drives the rotation shaft in the reduction box 22, and then drives the screw to rotate through the rotation shaft in the reduction box 22, The screw rod drives the moving block to move along the length direction of the screw rod, and then drives the support plate 4 to move along the length direction of the traverse beam 23, so that the support plate 4 drives the main beam 1 to traverse to one side of the support 2;
第二步，同时启动第一气缸17和第二气缸19，使得第一气缸17和第二气缸19分别驱动第一伸缩杆18和第二伸缩杆20带动卷扬机9和横梁11向远离主梁1的方向移动；In the second step, start the first cylinder 17 and the second cylinder 19 at the same time, so that the first cylinder 17 and the second cylinder 19 respectively drive the first telescopic rod 18 and the second telescopic rod 20 to drive the winch 9 and the beam 11 away from the main beam 1 move in the direction of
第三步，启动卷扬机9，卷扬机9带动吊绳10下降，进而通过吊绳10带动横梁11下降，使得横梁11将预制梁14降落至需要位置，落梁后卷扬机9带动横梁11上升，并通过第一气缸17和第二气缸19驱动第一伸缩杆18和第二伸缩杆20将卷扬机9和横梁11横移至初始位置，同时启动电机21驱动主梁1横移至初始位置，进行下一个落梁循环。The third step is to start the hoist 9, the hoist 9 drives the suspension rope 10 to descend, and then the suspension rope 10 drives the beam 11 to descend, so that the beam 11 lowers the prefabricated beam 14 to the required position, and the hoist 9 drives the beam 11 to rise after the beam falls, and passes The first cylinder 17 and the second cylinder 19 drive the first telescopic rod 18 and the second telescopic rod 20 to move the hoist 9 and the crossbeam 11 to the initial position, and at the same time, the starter motor 21 drives the main beam 1 to traverse to the initial position for the next step. Fall beam cycle.
本发明在使用时，将主梁1的底端通过螺栓与支撑盘4固定连接，支撑盘4的底端滑动连接有横移梁23，将两个螺杆与横移梁23呈平行设置，并在两个螺杆的一端转动连接有减速箱22，启动电机21，使得两个电机21始终转向相反，电机21带动减速箱22内的转轴转动，进而通过减速箱22内的转轴带动螺杆转动，使得螺杆带动移动块沿螺杆的长度方向移动，进而带动支撑盘4沿横移梁23的长度方向移动，使得支撑盘4带动主梁1横移，在落梁过程中，通过进而使得主梁1在落梁过程中能够作为预制梁14架设过程中的配重，使得龙门架两侧支腿5受力更均衡，增加支腿5的稳定性，提高了落梁的安全性。When the present invention is in use, the bottom end of the main beam 1 is fixedly connected to the support plate 4 through bolts, and the bottom end of the support plate 4 is slidably connected with the traverse beam 23, and the two screw rods are arranged in parallel with the traverse beam 23, and One end of the two screw rods is rotatably connected with a reduction box 22, and the motor 21 is started so that the two motors 21 turn to the opposite direction all the time. The motor 21 drives the rotating shaft in the reduction box 22 to rotate, and then the rotating shaft in the reduction box 22 drives the screw to rotate, so that The screw rod drives the moving block to move along the length direction of the screw rod, and then drives the support plate 4 to move along the length direction of the traversing beam 23, so that the support plate 4 drives the main beam 1 to move laterally. It can be used as a counterweight in the erection process of the prefabricated beam 14 during the beam falling process, so that the force on the legs 5 on both sides of the gantry frame is more balanced, the stability of the legs 5 is increased, and the safety of the beam falling is improved.
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节，也不限制该发明仅为所述具体实施方式。显然，根据本说明书的内容，可作很多的修改和变化。本说明书选取并具体描述这些实施例，是为了更好地解释本发明的原理和实际应用，从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments do not exhaust all details, nor do they limit the invention to described embodiments. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.
Claims (6)
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| CN120006624A (en) * | 2025-04-17 | 2025-05-16 | 保利长大工程有限公司 | Prefabricated beam bridge erecting machine |
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Application publication date: 20191220 |