CN-224213149-U - Steel box girder guiding device

CN224213149UCN 224213149 UCN224213149 UCN 224213149UCN-224213149-U

Abstract

The utility model discloses a steel box girder pushing and guiding device, which relates to the field of steel box girder guiding devices and comprises two groups of symmetrically-arranged guiding and abutting devices with the same structure, wherein the single group of guiding and abutting devices comprise a fixed base, a supporting seat is arranged on the fixed base, a first driving piece is arranged on the fixed base, a supporting arm is vertically arranged on the supporting seat, a rotating arm is rotatably arranged at one end of the supporting arm far away from the supporting seat, a mounting frame is rotatably arranged at one end of the supporting arm far away from the supporting arm, a guiding ball is arranged on the mounting frame, a height adjusting component is arranged on the supporting seat and used for controlling the rotating arm to rotate along the height direction of the steel box girder, and an angle adjusting component is arranged on the rotating arm and used for controlling the mounting frame to move along the length direction of the steel box girder. The technical problem that the same group of guide devices in the prior art are difficult to adapt to steel box girders in different forms, so that the guide efficiency of the steel box girders is low is solved.

Inventors

WANG QITAO
TANG LI
YU WENYUAN
WANG DING
ZHANG LINYAN
SHU ZHIPENG
MA HAOHAO
XUE DIAO
HUANG JIE
WU ZIWEI
XIAN ZHIFENG
CHENG JIE
LIU CHANG
LIU BO
TAN JIAN

Assignees

中铁大桥局第七工程有限公司
中铁大桥局集团有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (10)

1. A steel box girder pushing guide device, characterized in that it comprises: two sets of identical and the direction butt device of symmetry setting of structure, two sets of form between the direction butt device and supply steel case roof beam (18) to remove the direction space, single set of direction butt device includes: A fixed base (12), wherein a supporting seat (3) is arranged on the fixed base (12) in a sliding manner along the length direction of the fixed base (12); The first driving piece is arranged on the fixed base (12) and is used for driving the supporting seat (3) to slide along the length direction of the fixed base (12); the support arm (4) is vertically arranged on the support seat (3); The rotating arm (5) is rotatably arranged at one end of the supporting arm (4) far away from the supporting seat (3); The mounting frame (14), the mounting frame (14) is rotatably arranged at one end of the rotating arm (5) far away from the supporting arm (4), and the mounting frame (14) is provided with a guide ball (9) used for being abutted with the steel box girder (18); The height adjusting assembly is arranged on the supporting seat (3) and is used for controlling the rotating arm (5) to rotate along the height direction of the steel box girder (18); And the angle adjusting assembly is arranged on the rotating arm (5) and is used for controlling the mounting frame (14) to move along the length direction of the steel box girder (18).
2. The steel box girder pushing guide device according to claim 1, wherein: A guide groove (2) is formed in the fixed base (12) along the length direction of the fixed base (12), and a guide screw (13) is rotatably arranged in the guide groove (2) along the length direction of the fixed base (12); The support seat (3) is provided with a guide part, a threaded channel (15) which is in threaded fit with the guide screw (13) is formed in the guide part, the guide part extends into the guide groove (2), and the guide screw (13) is in threaded connection with the threaded channel (15).
3. The steel box girder pushing guide device according to claim 2, wherein: The first driving piece is arranged as a first reciprocating rotary motor (1), and an output shaft of the first reciprocating rotary motor (1) is coaxially connected with the guide screw (13).
4. The steel box girder pushing guide device according to claim 1, wherein: The height adjusting assembly comprises a first hydraulic cylinder (11), the first hydraulic cylinder (11) is arranged on the supporting seat (3), and the output end of the first hydraulic cylinder (11) is rotationally connected with the rotating arm (5).
5. The steel box girder pushing guide device according to claim 1, wherein: The angle adjusting piece comprises a driving wheel (6), a driven wheel (7) and a second driving piece; The driving wheel (6) is rotatably arranged on the rotating arm (5), a central shaft of the driven wheel (7) extends to be fixedly connected with the mounting frame (14), the length direction of the central shaft of the driven wheel (7) is parallel to the height direction of the steel box girder (18), the driving wheel (6) is meshed with the driven wheel (7), and the second driving piece is used for driving the driving wheel (6) to rotate.
6. The steel box girder pushing guide device according to claim 5, wherein: The second driving piece comprises a second reciprocating rotary motor (10) arranged on the rotating arm (5), and an output shaft of the second reciprocating rotary motor (10) is coaxially connected with the driving wheel (6).
7. The steel box girder pushing guide device according to claim 5, wherein: The one end that rocking arm (5) kept away from support arm (4) is seted up flutedly, be provided with connecting plate (8) on mounting bracket (14), connecting plate (8) are kept away from the one end of direction ball (9) stretches into in the recess of rocking arm (5), the center pin of follow driving wheel (7) penetrates in the recess with connecting plate (8) fixed connection.
8. The steel box girder pushing guide device according to claim 5, wherein: the rotating arm (5) is also provided with a locking component for fixing the driving wheel (6).
9. The steel box girder pushing guide device according to claim 8, wherein: the locking assembly comprises a locking hoop (17) and a third driving piece; the locking hoop (17) is arranged on the rotating arm (5) in a sliding mode, and the third driving piece is arranged on the rotating arm (5) and used for driving the locking hoop (17) to move along the length direction of the rotating arm (5) to be abutted against the driving wheel (6).
10. The steel box girder pushing guide device according to claim 9, wherein: The third driving piece is arranged as a second hydraulic cylinder (16), and an output shaft of the second hydraulic cylinder (16) is fixedly connected with the locking hoop (17).

Description

Steel box girder guiding device Technical Field The utility model relates to the field of steel box girder guiding devices, in particular to a pushing guiding device for a steel box girder. Background The steel box girder is also called a steel plate box girder, is a common structural form for long-span bridges, is generally used on bridges with larger spans, is called a steel box girder because of the appearance of a box, when the steel box girder is paved, the steel box girder is pushed to move forwards step by step on a supporting structure by a pushing device, guide devices are required to be arranged on two sides of the moving direction of the steel box girder in order to enable the steel box girder to move erroneously, the steel box girder in a moving state is guided by the guide devices, the guide devices which can move horizontally relative to a horizontal plane are usually arranged when the existing device guides the steel box girder, when the steel box girder moves, the guide devices which can move horizontally can be finely adjusted according to the width of the guide girder after being installed, and when the steel box girder is guided by another device, the guide devices can move up and down relative to the height direction of the steel box girder, and then the angle of the guide devices which are in conflict with the steel box girder is adjusted, so that the steel box girder can be guided in different positions which are in conflict with the steel box girder, and the steel box girder can move more stably. The two devices can guide the steel box girder, in practical application, the device can only guide the linear steel box girder, when the steel box girder is arc-shaped, an installer can guide the arc of the device after repeatedly adjusting the installation position of the device, and the device after adjusting the installation position can not guide the linear steel box girder again, so that the guide devices are required to be detached reciprocally for adjustment, the same group of guide devices are difficult to adapt to the steel box girders in different forms, and the guide efficiency of the steel box girder is lower. Disclosure of utility model The application provides a pushing guide device for a steel box girder, which can solve the technical problem that the same group of guide devices in the prior art is difficult to adapt to steel box girders in different forms, so that the guide efficiency of the steel box girders is low. The embodiment of the application provides a pushing and guiding device for a steel box girder, which comprises the following components: Two sets of identical and the direction butt device of symmetry setting of structure, two sets of form between the direction butt device and supply the steel case roof beam to remove the direction space, the list group the direction butt device includes: the fixing base is provided with a supporting seat in a sliding manner along the length direction of the fixing base; The first driving piece is arranged on the fixed base and is used for driving the supporting seat to slide along the length direction of the fixed base; The support arm is vertically arranged on the support seat; The rotating arm is rotatably arranged at one end of the supporting arm far away from the supporting seat; The mounting frame is rotatably arranged at one end of the rotating arm, which is far away from the supporting arm, and a guide ball used for being abutted with the steel box girder is arranged on the mounting frame; The height adjusting assembly is arranged on the supporting seat and used for controlling the rotating arm to rotate along the height direction of the steel box girder; and the angle adjusting assembly is arranged on the rotating arm and used for controlling the mounting frame to move along the length direction of the steel box girder. In one embodiment, the fixed base is provided with a guide groove along the length direction of the fixed base, and a guide screw is rotatably arranged in the guide groove along the length direction of the fixed base; The support seat is provided with a guide part, a threaded channel matched with the guide screw thread is formed in the guide part, the guide part stretches into the guide groove, and the guide screw thread is connected in the threaded channel. In one embodiment, the first drive element is provided as a first reciprocating rotary motor, the output shaft of which is connected coaxially to the guide screw. In one embodiment, the height adjustment assembly comprises a first hydraulic cylinder arranged on the support base, and the output end of the first hydraulic cylinder is rotatably connected with the rotating arm. In one embodiment, the angle adjusting member includes a driving wheel, a driven wheel, and a second driving member; The driving wheel is rotatably arranged on the rotating arm, the driven wheel central shaft extends to be fixedly connected with the mounting frame, the length dire