CN-117266042-B - Bridge rolling walking type pushing deviation correcting device and using method

CN117266042BCN 117266042 BCN117266042 BCN 117266042BCN-117266042-B

Abstract

The invention provides a bridge rolling walking type pushing deviation correcting device which comprises a bottom plate, wherein a rotation deviation correcting mechanism is arranged on the bottom plate, a supporting plate is arranged on the rotation deviation correcting mechanism, and a rolling pushing mechanism is arranged on the supporting plate. The invention also provides a using method of the bridge rolling walking type pushing deviation correcting device. The rotary deviation correcting mechanism is arranged on the bottom plate, and is connected with the rolling pushing mechanism through the supporting plate, so that the jacking force can be remarkably reduced by the rolling pushing mechanism, a larger horizontal counter force can not be generated on the temporary support, the construction cost and the construction risk are reduced, the rotary deviation correcting mechanism can realize large eccentric adjustment and rotary eccentric adjustment, and the bridge steel beam section conveyed above the rolling pushing mechanism arranged on the supporting plate can be subjected to timely omnibearing eccentric adjustment, so that a preset position can be timely reached.

Inventors

TAO SHUPING
WANG KUN
TANG WEIGAN
WU XIAO
WANG JINGFENG
ZHANG YIZHEN
LI BEIBEI
YAN ZHOUWEI
LI PENGXUAN
ZHOU RUI

Assignees

安徽水安建设集团股份有限公司
安徽省高等级公路工程监理有限公司
合肥工业大学

Dates

Publication Date: 20260512
Application Date: 20230925

Claims (7)

1. A bridge rolling walking type pushing deviation correcting device is characterized by comprising a bottom plate (1), wherein a rotating deviation correcting mechanism (2) is arranged on the bottom plate (1), a supporting plate (3) is arranged on the rotating deviation correcting mechanism (2), a rolling pushing mechanism (4) is arranged on the supporting plate (3), the rolling pushing mechanism (4) comprises a horizontal pushing jack (401), a pushing platform (402), a roller groove pool (403) and a roller unit (404), the horizontal pushing jack (401) is fixedly arranged at one end of the supporting plate (3) through a horizontal pushing support, the roller groove pool (403) is arranged on the supporting plate (3), a plurality of roller units (404) are arranged in the roller groove pool (403), the pushing platform (402) is arranged on the roller groove pool (403), the bottom of the roller groove pool is in contact with the roller units (404), the horizontal pushing jack (401) is connected with one end of the pushing platform (402), the roller units comprise a main roller (4041), a main arc support (4042), a sub roller (4044) and a plurality of arc supports (4045) which are in a rolling chain type, the arc supports (4045) are in a plurality of arc shapes, and the arc supports (4045) are in a rolling chain type, and the arc supports (4045) are in a plurality of arc shapes, the main roller (4041) is placed on the chain roller, the chain roller is sleeved on the secondary roller arc-shaped slide way (4045), and the end part of the secondary roller arc-shaped slide way (4045) is arc-shaped.
2. The bridge rolling walking type pushing deviation rectifying device according to claim 1, characterized in that the rotation deviation rectifying mechanism (2) comprises a driving gear (201), a connecting gear (202), a circumferential deviation rectifying gear (203) and a direct-drive motor (204), the direct-drive motor (204) is fixedly installed on the bottom plate (1) and is connected with the driving gear (201), the circumferential deviation rectifying gear (203) is located at the bottom center position of the supporting plate (3) and is fixedly connected with the supporting plate (3), the connecting gear (202) and the circumferential deviation rectifying gear (203) are respectively installed on the bottom plate (1) in a rotating mode through a connecting gear support (205) and a circumferential deviation rectifying gear support (206), and the connecting gear (202) is located between the driving gear (201) and the circumferential deviation rectifying gear (203) and is respectively meshed with the driving gear (201) and the circumferential deviation rectifying gear (203).
3. The bridge rolling walking type pushing deviation rectifying device according to claim 2, characterized in that a gap of 1-2mm is arranged between the connecting gear (202) and the supporting plate (3), the upper parts of the connecting gear support (205) and the deviation rectifying gear support (206) are small cylinders, the middle is a cone, the bottom is a large cylinder, the height of the small cylinder at the upper part is consistent with the thickness of the connecting gear (202) or the circumferential deviation rectifying gear (203), the small cylinder at the upper part is inserted into a central hole of the connecting gear (202) or the circumferential deviation rectifying gear (203) to realize stable rotation connection, and the large cylinder at the bottom is welded with the bottom plate (1).
4. The bridge rolling walking type pushing deviation rectifying device according to claim 2, characterized in that the diameter of the driving gear (201) is smaller than the diameter of the connecting gear (202) is smaller than the diameter of the annular deviation rectifying gear (203).
5. The bridge rolling walking type pushing deviation correcting device according to claim 1, further comprising horizontal deviation correcting jacks (405), wherein three groups of horizontal deviation correcting jacks (405) are respectively arranged on two sides of the supporting plate (3), and the front ends of the horizontal deviation correcting jacks (405) are connected with a pair of rolling idler wheels which are abutted against the side walls of the pushing platform (402).
6. The bridge rolling walking type pushing deviation rectifying device according to claim 1, further comprising lifting jacks (406), wherein a group of lifting jacks (406) are respectively arranged on the left side and the right side of the rear of the supporting plate (3).
7. A method of using the bridge rolling walking type pushing deviation rectifying device according to any one of claims 1-6, comprising the steps of: when the bridge girder section is used, the bridge girder section is placed on the pushing platform (402), the horizontal pushing jack (401) can stretch to provide power, one end of the horizontal pushing jack (401) is fixed on the horizontal pushing support, and the other end of the horizontal pushing jack is connected to the end part of the pushing platform (402); S2, when the horizontal pushing jack (401) is powered, the pushing platform (402) moves and forces a main roller (4041) in the roller unit (404) to rotate, and the pushing platform (402) is driven to smoothly guide forward by the horizontal deviation correcting jack (405) and the roller; s3, pushing the platform (402) to be pushed to the tail end of the roller groove pool (403), and adjusting the rotating eccentric position through the rotating deviation correcting mechanism (2); And S4, after the bridge girder is adjusted in place, the steel girder on the pushing platform (402) is jacked by the jacking jack (406), the horizontal pushing jack (401) is retracted, the pushing platform (402) is retracted to the initial position, the jacking jack (406) falls back at the moment, so that the bridge girder section is replaced on the pushing platform (402), at the moment, the one-time pushing cycle is completed, and the next pushing cycle is continued to repeat the steps.

Description

Bridge rolling walking type pushing deviation correcting device and using method Technical Field The invention relates to the technical field of bridge construction, in particular to a bridge rolling walking type pushing deviation correcting device and a using method thereof. Background Compared with the prestressed concrete box girder bridge structure, the steel box girder has the advantages of light weight, large span, high assembly degree, high construction speed and the like, the existing bridge increasingly uses the steel box girder structure, and particularly when the bridge spans over complicated traffic condition sections such as rivers, canyons, highways and the like, the pushing construction method is more suitable for the construction of the steel box girder bridge structure. The walking type pushing construction method has the advantages of good synchronism, safe construction process and strong controllability of the pushing process, and belongs to an advanced pushing construction method. The existing walking type pushing is alternately performed by two steps of pushing and pushing. Firstly placing the steel box girder on a pushing device, pushing the steel box girder forward by a limited distance through a pushing jack, supporting the steel box girder by a jacking jack so as to be separated from the pushing device, retracting the pushing jack and the pushing device to an initial position at the moment, and finally retracting the pushing jack to drop the steel box girder on the pushing device, and reciprocating until the preset position is reached. If deviation occurs in the pushing process, a deviation rectifying device is adopted to rectify the deviation, and the common use method is that deviation rectifying jacks are arranged on two sides or one side of the pushing device to rectify the deviation. However, when the existing walking type pushing device is used for pushing, a slide way is generally adopted to push the steel box girder forwards, the friction force between the steel plates needs to be overcome, the jacking force is large due to the large tonnage of the steel box girder, a large horizontal counter force is generated for temporary support, the construction cost and the construction risk are obviously increased, and in addition, the existing using method is only used for fine adjustment, and large eccentric adjustment and even adjustment of rotating eccentricity cannot be realized. Disclosure of Invention In order to solve the problems, the invention aims to provide the rolling walking type pushing deviation rectifying device for the bridge and the using method thereof, the rotating deviation rectifying mechanism is arranged on the bottom plate and is connected with the rolling pushing mechanism through the supporting plate, the rolling pushing mechanism can remarkably reduce the pushing force, larger horizontal counter force can not be generated on the temporary support, the construction cost and the construction risk are reduced, the rotating deviation rectifying mechanism can realize large eccentric adjustment and adjustment of the rotating eccentric, and the bridge steel beam section conveyed above the rolling pushing mechanism arranged on the supporting plate can be timely and comprehensively eccentrically adjusted, so that the preset position is timely reached. In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the utility model provides a bridge roll walking formula top pushing deviation correcting device, includes the bottom plate, install rotation deviation correcting mechanism on the bottom plate, install the backup pad on the rotation deviation correcting mechanism, install the roll pushing mechanism in the backup pad. Further, the rotation rectifying mechanism comprises a driving gear, a connecting gear, a circumferential rectifying gear and a direct-drive motor, wherein the direct-drive motor is fixedly arranged on the bottom plate and is connected with the driving gear, the circumferential rectifying gear is positioned at the center of the bottom of the supporting plate and is fixedly connected with the supporting plate, the connecting gear and the circumferential rectifying gear are respectively supported by the connecting gear and the circumferential rectifying gear to be rotatably arranged on the bottom plate, and the connecting gear is positioned between the driving gear and the circumferential rectifying gear and is respectively meshed with the driving gear and the circumferential rectifying gear. Furthermore, a gap of 1-2mm is arranged between the connecting gear and the supporting plate, the upper parts of the connecting gear support and the correcting gear support are small cylinders, the middle part is a cone, the bottom part is a large cylinder, the height of the small cylinder at the upper part is consistent with the thickness of the connecting gear or the annular correcting gear, the small cylinder at the u