CN108951426A - It is a kind of for setting up the support device and construction system of eminence steel girder segment - Google Patents

Abstract

The invention discloses a kind of for setting up the support device and construction system of eminence steel girder segment, is related to bridge girder steel technical field of construction.The device includes guide rail and the frame body that is set on the guide rail, the frame body includes the bracket with preset height, the bracket includes at least three support columns, and the support column is equipped with the base of preset height, and the support column bottom is equipped with adjustment device, the adjustment device is used to adjust height and the position of the corresponding support column.The former work for needing a large amount of high-altitude applications is transferred to ground, ensure that work progress is more safe and reliable by the construction system of the device and steel girder segment proposed by the present invention for being used to set up eminence steel girder segment.

Description

A support device and construction system for erecting high-altitude steel beam segments

technical field

The invention relates to the technical field of bridge steel girder construction, in particular to a support device and a construction system for erecting high-place steel girder segments.

Background technique

We know that steel girder structures are often used in bridges and other long-span structures. At present, a series of measures such as erecting fixed brackets, installing tracks, and using girder trolleys are used to erect large-segment variable-height steel girders. , the structure of the beam transporter is complex, the cost is high, and the erection process is all high-altitude operations, the construction is difficult, the risk is high, and the construction quality is difficult to control. At the same time, the construction efficiency slows down, and most importantly, it will bring great harm to the operators inconvenience and safety hazard.

Therefore, the work surface should be transferred to low altitude or on the ground as far as possible to reduce the workload of high-altitude operations. The present invention proposes a device and construction system for erecting steel beam segments at high places. The use of this device can greatly reduce the amount of support erection work and save beam trucks. It has the advantages of small investment, simple operation, safe and stable erection process, and Greatly save time and cost.

Contents of the invention

In view of the defects existing in the prior art, the object of the present invention is to provide a support device and construction system for erecting steel beam segments at high places, which transfers the work that originally required a large number of high-altitude operations to the ground, making the construction safer and more reliable , easy to operate and improve work efficiency.

For achieving above object, the technical scheme that the present invention takes is:

guide;

The frame body arranged on the guide rail, the frame body includes a bracket with a preset height, the bracket includes at least three support columns, and a pedestal with a preset height is provided on the support columns, and the There is an adjustment device at the bottom of the support column;

The adjusting device is used for adjusting the height and position of the corresponding supporting column.

In the basic structure of the above technical solution, the adjustment device is a three-way jack, and the adjustment device includes a height adjustment frame and a vertical and horizontal adjustment frame, and the height adjustment frame is used to adjust the height of the supporting column corresponding to it, so The vertical and horizontal adjustment frame is used to adjust the vertical and horizontal horizontal positions of the supporting columns corresponding to it.

The basic structure of the above technical solution also includes a traction system, which includes a connecting seat and a pulling device, the connecting seat is arranged at the bottom of one side of the support column, and the connecting seat is connected to the The pulling device is connected, and the frame moves on the guide rail under the pulling of the pulling system.

In the basic structure of the above technical solution, the pulling device includes a reaction force seat and a continuous jack supported on the reaction force seat, and the continuous jack is connected to the connection seat through the steel strand.

In the basic structure of the above technical solution, the support is a cuboid or a cube.

Based on the basic structure of the above technical solution, the positioning deviation of the traction system for the frame along the direction of the guide rail is less than 2cm.

The present invention also provides a steel beam section construction system, including:

basic structure;

A frame body arranged on the basic structure, the frame body includes a bracket with a predetermined height, the bottom of the bracket is spaced from the basic structure at a certain distance, the bracket includes at least three support columns, and the A pedestal with a preset height is provided on the support column, and an adjustment device is provided at the bottom of the support column, and the adjustment device is used to adjust the height and position of the corresponding support column;

For the steel beam segment erected on the pedestal, the adjusting device assists the steel beam segment to move to a predetermined position by adjusting the height and position of the supporting column corresponding thereto.

In the basic structure of the above technical solution, the basic structure is provided with guide rails, and the frame is arranged on the guide rails.

The basic structure of the above technical solution also includes a traction system, which includes a connecting seat and a pulling device, the connecting seat is arranged at the bottom of one side of the support column, and the connecting seat is connected to the The pulling device is connected, the pulling device is arranged on the guide rail, and the pulling system is used to pull the frame body to move on the guide rail.

In the basic structure of the above technical solution, the pulling device includes a reaction force seat and a continuous jack supported on the reaction force seat, and the continuous jack is connected to the connection seat through the steel strand.

Compared with the prior art, the present invention has the advantages of:

The present invention provides a support device and a construction system for erecting steel beam sections at high places, and moves the steel beam sections to a designated position through the support device, which solves the problem of erecting fixed supports or using beam trucks during traditional construction. A series of measures, for steel beam segments of different sizes, the supporting device and the pedestal at the top are all at predetermined heights, first move the frame body along the direction of the guide rail through the traction system, and after roughly positioning, use the adjustment device to assist The frame body adjusts the height of the steel beam segments placed on the pedestal and the vertical and horizontal horizontal positions, and transfers the working platform from high altitude to low altitude or even the ground, which greatly reduces the difficulty and danger of construction operations and speeds up the efficiency of construction , to ensure the quality of construction.

Description of drawings

Fig. 1 is the structural schematic diagram of the supporting device for erecting high place steel beam section in the embodiment of the present invention;

Fig. 2 is the side view of the supporting device for erecting the high place steel beam section in the embodiment of the present invention;

Fig. 3 is the structure schematic diagram of the traction system for erecting the support device of the high place steel beam section in the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of an adjusting device for erecting a supporting device of a high steel beam segment in an embodiment of the present invention.

In the figure: 1-rail, 2-frame, 20-bracket, 200-support column, 21-pedestal, 3-adjustment device, 4-traction system, 40-connecting seat, 41-pulling device, 410-reverse Power base, 411-continuous jack, 42-steel strand, 5-basic structure, 6-steel beam segment.

Detailed ways

Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, the present invention provides a support device for erecting high-place steel girder segments, the device includes a guide rail 1 and a frame body 2 arranged on the guide rail 1, and the guide rail 1 is arranged on a processed foundation structure 5 Above, the guide rail 1 is composed of double I-beams, which are anchored to the basic structure 5 through anchoring steel bars. Among them, the layout requires that the elevation difference between the left and right guide rails 1 of any cross-section is less than 2mm, and the vertical direction is kept straight, and the joints are free from mistakes. The frame body 2 can slide smoothly on the guide rail 1. After the guide rail 1 is finely adjusted and set, due to the uneven surface of the base structure 5, there is a gap between the bottom of the guide rail 1 and the surface of the base structure 5. In order to ensure the stability of the guide rail 1, pour between the guide rail 1 and the base structure 5 The high-strength mortar fills the gap to ensure the stability of the frame body 2 when it moves on the guide rail 1. In order to ensure the safety and directional stability of the frame body 2 during the sliding process of the guide rail 1, when the frame body 2 is placed on the guide rail 1, a detachable safety buckle is symmetrically provided on both sides of the bottom of the frame body 1 where it contacts the guide rail 1 , the safety buckle is in contact with both sides of the guide rail 1 and has a certain distance from the basic structure 5 . In order to ensure that the frictional force during the sliding process is as small as possible, a slip-promoting layer is coated on the side where the safety buckle is in contact with the guide rail.

Referring to Figures 1-2, the frame body 2 includes a bracket 20 with a preset height, where the preset height corresponds to the actual preset position of the steel beam segment 6, and the preset height of the bracket 20 is slightly smaller than the steel beam Actual preset position of segment 6. The support 20 includes at least three vertical support columns 200, the three support columns 200 can form a stable support surface, the support columns 200 are provided with a pedestal 21 with a preset height, and the pedestal 21 is used to place the steel beam segment 6, steel The beam segment 6 is fixed to the pad 21 by bolts. Since most of the steel beam sections 6 have different thicknesses on both sides, in order to ensure that the top surfaces of the steel beam sections 6 placed on the pedestal 21 are at the same level, the height of the pedestal 21 on which the corresponding steel beam section 6 is erected will be Set according to the thickness of the two ends of the actual steel beam segment 6, if the steel beam segment 6 placed on the pedestal 21 on one side is thinner, the pedestal 21 on this side is thicker than the corresponding steel beam segment on the other side The pedestal of 6 is 21 high. In order to ensure the stability of the support 20, here there are preferably four support columns 200, and the ends of each support column 200 are connected to each other by a transverse support rod, and the support 20 is a cuboid or a cube to ensure that the support 20 has good structural stability. sex. Considering that the spanning range of the support 20 is very large during construction, and the steel beam segment 6 placed on the support 20 has a certain weight, in order to further strengthen the stability of the support 20, the diagonal line of the side with the largest area of the support 20 An oblique support rod is provided on the top to ensure the stability of the bracket 20 in use.

As shown in FIG. 3 , it also includes a traction system 4 , which is mainly used for pulling and moving the whole frame body 2 on which the steel beam segment 6 is placed along the guide rail 1 to a predetermined approximate position. The traction system 4 includes a connecting seat 40 and a pulling device 41. The connecting seat 40 is arranged at the bottom of one side of the supporting column 200 and is fixedly connected with the supporting column 200. The connecting seat 40 is connected with the pulling device 41 through a steel strand 42. The pulling device 41 pulls the entire frame body 2 through the steel strand 42, so that the frame body 2 placed with the steel beam segment 6 moves freely on the guide rail 1 under the action of traction. The pulling device 41 can be any suitable pulling device, where the pulling device 41 preferably includes a reaction force seat 410 and a continuous jack 411 supported on the reaction force seat 410, and the continuous jack 411 connects the connection seat through the steel strand 42 40 connected. When pulling the frame body 2, first fix the reaction force seat 410 on the guide rail 1, the continuous jack 411 is supported on the reaction force seat 410, and start the control cabinet with a display screen on the pulling device 41. The control cabinet can control the continuous The jack 411 realizes automatic traction within a certain distance, and pulls the frame body 2 along the guide rail 1 toward the direction close to the reaction force seat 410 by gathering the steel strand 42 . Due to the long length of the basic structure 5, the steel beam section 6 needs to move a large distance to reach the predetermined position, and the length of the steel strand rope 42 is limited, so the reaction force seat 410 is detachable, and after pulling a certain distance, it will The reaction seat 410 is removed from the guide rail 1, and then fixed at a new position on the guide rail 1, the above pulling steps are repeated until reaching a predetermined position, and the pulling ends. In addition, the display screen will display the moving distance of the frame body 2, which is convenient for the operator to control more accurately. The positioning deviation of the traction system 4 for the frame body 2 along the direction of the guide rail 1 is less than 2 cm, and the frame body 2 can be moved more accurately. Book a location to ensure construction quality.

Referring to Fig. 4, since the steel beam segment 6 has very high precision requirements during the butt erection process, in order to adjust the position of the steel beam segment 6 more accurately, an adjustment device is provided at the bottom of each support column 200 3. The frame body 2 is arranged on the guide rail 1 to ensure that there is a certain distance between the bottom of the frame body 2 and the basic structure 5, and the adjustment device 3 is just located within the distance between the bottom of the support column 200 and the basic structure 5, and the adjustment device 3 is used to adjust the corresponding support Height and position of column 200. Here the adjustment device 3 is preferably a three-way jack. The three-way jack includes a height adjustment frame and a vertical and horizontal adjustment frame. The vertical and horizontal horizontal position of 200, the positioning deviation of the height adjustment frame and the vertical and horizontal adjustment frame are all less than 2cm, and the steel beam segment 6 can be adjusted more accurately after the traction device moves the frame body 2 to the predetermined position , It guarantees the quality and efficiency of construction very well, greatly reduces the workload of high-altitude operations, transfers high-altitude operations to low places, speeds up construction efficiency, ensures the quality of construction, and ensures the safety of construction personnel.

Furthermore, this supporting device is suitable for erecting steel beam segments 6 of corresponding size, and can be used repeatedly. Compared with traditional erecting methods, this device reduces construction costs, reduces construction risks, improves construction quality and speeds up improved construction efficiency.

The present invention also provides a steel beam section construction system, which includes:

The foundation structure 5 and the steel beam section 6, the function of the foundation structure 5 is to bear all the loads from the steel beam section 6 structure located on its upper part, and transfer this part of the load to the foundation, for the follow-up safety and normal In use, the foundation structure is required to have sufficient strength, stiffness and overall stability so that it does not produce excessive horizontal displacement or uneven settlement, and provides good support for the steel beam segment 6 above it.

Referring to Fig. 1-shown in Fig. 2, it also includes a frame body 2 arranged on the base structure 5, the frame body 2 includes a bracket 20 with a preset height, and the preset height here is the same as the actual preset height of the steel beam segment 6 Correspondingly, the preset height of the bracket 20 is slightly smaller than the actual preset position of the steel beam segment 6 . The support 20 includes at least three vertical support columns 200, the three support columns 200 can form a stable support surface, the support columns 200 are provided with a pedestal 21 of preset height, and the pedestal 21 is placed with steel beam segments 6, steel The beam segment 6 is fixed to the pad 21 by bolts. Since most of the steel beam sections 6 have different thicknesses on both sides, in order to ensure that the top surfaces of the steel beam sections 6 placed on the pedestal 21 are at the same level, the height of the pedestal 21 on which the corresponding steel beam section 6 is erected will be Set according to the thickness of the two ends of the actual steel beam segment 6, if the steel beam segment 6 placed on the pedestal 21 on one side is thinner, the pedestal 21 on this side is thicker than the corresponding steel beam segment on the other side The pedestal of 6 is 21 high. In order to ensure the stability of the support 20, here there are preferably four support columns 200, and the ends of each support column 200 are connected to each other by a transverse support rod, and the support 20 is a cuboid or a cube to ensure that the support 20 has good structural stability. sex. Considering that the spanning range of the support 20 is very large during construction, and the steel beam segment 6 placed on the support 20 has a certain weight, in order to further strengthen the stability of the support 20, the diagonal line of the side with the largest area of the support 20 An oblique support rod is provided on the top to ensure the stability of the bracket 20 in use.

As shown in Figure 3, since the span of the foundation structure 5 is often very large, when the steel beam segment 6 is placed to the designated position through the frame body 2, it needs to move a long distance. In order to facilitate the movement of the foundation structure 5, a steel beam The frame body 2 of the segment 6 is provided with a guide rail 1 along the erection direction on the basic structure 5, and the frame body 2 is arranged on the guide rail 1, and a traction system 4 is also provided, and the traction system 4 is used to pull the frame body 2 on the guide rail 1 move. Here, the guide rail 1 is composed of double I-beams, which are anchored to the basic structure 5 through anchoring steel bars. Among them, the layout requires that the elevation difference between the left and right guide rails 1 of any section is less than 2mm, and the vertical direction should be kept straight, and the joints should be free of errors, ensuring that the frame The body 2 can slide smoothly on the guide rail 1. After the guide rail 1 is finely adjusted and set, due to the uneven surface of the base structure 5, there is a gap between the bottom of the guide rail 1 and the surface of the base structure 5. In order to ensure the stability of the guide rail 1, pour between the guide rail 1 and the base structure 5 The high-strength mortar fills the gap to ensure the stability of the frame body 2 when it moves on the guide rail 1. In order to ensure the safety and directional stability of the frame body 2 during the sliding process of the guide rail 1, when the frame body 2 is placed on the guide rail 1, a detachable safety buckle is symmetrically provided on both sides of the bottom of the frame body 1 where it contacts the guide rail 1 , the safety buckle is in contact with both sides of the guide rail 1 and has a certain distance from the basic structure 5 . In order to ensure that the frictional force during the sliding process is as small as possible, a slip-promoting layer is coated on the side where the safety buckle is in contact with the guide rail.

3, the traction system 4 includes a connecting seat 40 and a pulling device 41. The connecting seat 40 is arranged at the bottom of one side of the supporting column 200, and is fixedly connected with the supporting column 200. The connecting seat 40 is connected with the steel strand 42 by The pulling device 41 is connected, and the pulling device 41 pulls the entire frame body 2 through the steel strand 42, so that the frame body 2 placed with the steel beam segment 6 moves freely on the guide rail 1 under the action of traction. The pulling device 41 can be any suitable pulling device, where the pulling device 41 preferably includes a reaction force seat 410 and a continuous jack 411 supported on the reaction force seat 410, and the continuous jack 411 connects the connection seat through the steel strand 42 40 connected. When pulling the frame body 2, first fix the reaction force seat 410 on the guide rail 1, the continuous jack 411 is supported on the reaction force seat 410, and start the control cabinet with a display screen on the pulling device 41. The control cabinet can control the continuous The jack 411 realizes automatic traction within a certain distance, and pulls the frame body 2 along the guide rail 1 toward the direction close to the reaction force seat 410 by gathering the steel strand 42 . Due to the long length of the basic structure 5, the steel beam section 6 needs to move a large distance to reach the predetermined position, and the length of the steel strand rope 42 is limited, so the reaction force seat 410 is detachable, and after pulling a certain distance, it will The reaction seat 410 is removed from the guide rail 1, and then fixed at a new position on the guide rail 1, the above pulling steps are repeated until reaching a predetermined position, and the pulling ends. In addition, the display screen will display the moving distance of the frame body 2, which is convenient for the operator to control more accurately. The positioning deviation of the traction system 4 for the frame body 2 along the direction of the guide rail 1 is less than 2 cm, and the frame body 2 can be moved more accurately. Book a location to ensure construction quality.

Referring to Fig. 4, since the steel beam segment 6 has very high precision requirements during the butt erection process, in order to adjust the position of the steel beam segment 6 more accurately, an adjustment device is provided at the bottom of each support column 200 3. The frame body 2 is arranged on the guide rail 1 to ensure that there is a certain distance between the bottom of the frame body 2 and the basic structure 5, and the adjustment device 3 is just located within the distance between the bottom of the support column 200 and the basic structure 5, and the adjustment device 3 is used to adjust the corresponding support Height and position of column 200. Here the adjustment device 3 is preferably a three-way jack. The three-way jack includes a height adjustment frame and a vertical and horizontal adjustment frame. The vertical and horizontal horizontal position of 200, the positioning deviation of the height adjustment frame and the vertical and horizontal adjustment frame are all less than 2cm, and the steel beam segment 6 can be positioned more accurately after the traction system 4 moves the frame body 2 to the predetermined position The adjustment ensures the quality and efficiency of construction, greatly reduces the workload of high-altitude operations, transfers high-altitude operations to low places, speeds up construction efficiency, ensures the quality of construction, and ensures the safety of construction personnel .

The present invention is not limited to the above-mentioned best implementation mode, anyone can draw other various forms of products under the enlightenment of the present invention, but no matter make any changes in its shape or structure, all those with the same or similar features as the present invention Approximate technical solutions are all within the scope of protection.

Claims (10)

1. A supporting device for erecting high-place steel beam sections, which is used to be installed on the foundation structure and supports the steel beam sections, characterized in that it comprises: guide rail(1); The frame body (2) arranged on the guide rail (1), the frame body (2) includes a frame (20) with a preset height, the frame (20) includes at least three support columns (200), and A pedestal (21) with a preset height is provided on the support column (200), and an adjustment device (3) is provided at the bottom of the support column (200); The adjusting device (3) is used for adjusting the height and position of the supporting column (200) corresponding thereto. 2. A device for erecting high-place steel beam segments as claimed in claim 1, characterized in that: the adjustment device (3) is a three-way jack, and the adjustment device (3) includes a height adjustment frame and a vertical and horizontal adjustment frame, the height adjustment frame is used to adjust the height of the support column (200) corresponding to it, and the vertical and horizontal adjustment frame is used to adjust the vertical and horizontal horizontal position of the support column (200) corresponding to it . 3. A device for erecting high-place steel beam segments as claimed in claim 1, characterized in that: it also includes a traction system (4), which includes a connecting seat (40) and a pulling device (41), The connecting seat (40) is arranged at the bottom of one side of the support column (200), and the connecting seat (40) is connected with the pulling device (41) through a steel strand (42), the The frame body (2) moves on the guide rail (1) under the traction of the traction system (4). 4. A device for erecting high-place steel beam segments as claimed in claim 3, characterized in that: the pulling device (41) includes a reaction force seat (410) and is held against the reaction force The continuous jack (411) on the seat (410), the continuous jack (411) is connected with the connecting seat (40) through the steel strand (42). 5. A device for erecting high-altitude steel beam segments according to claim 1, characterized in that: the support (20) is a cuboid or a cube. 6. A device for erecting high-altitude steel beam segments according to claim 1, characterized in that: the traction system (4) is aligned with the frame body (2) along the direction of the guide rail (1) The positioning deviation is less than 2cm. 7. A steel beam section construction system, characterized in that it comprises: infrastructure(5); The frame body (2) arranged on the basic structure (5), the frame body (2) includes a bracket (20) with a predetermined height, the bottom of the bracket (20) and the basic structure (5) At a certain distance, the bracket (20) includes at least three support columns (200), and the support columns (200) are provided with a pedestal (21) of a preset height, and the support columns (200) An adjustment device (3) is provided at the bottom, and the adjustment device (3) is used to adjust the height and position of the support column (200) corresponding to it; The steel beam segment (6) erected on the pedestal (21), the adjustment device (3) assists the steel beam segment ( 6) Move to the predetermined position. 8. A steel beam section construction system as claimed in claim 7, characterized in that: said basic structure (5) is provided with guide rails (1), and said frame body (2) is arranged on said guide rails ( 1) on. 9. A kind of steel beam section construction system as claimed in claim 8, is characterized in that: also comprises traction system (4), and it comprises connecting seat (40) and pulling device (41), and described connecting seat ( 40) It is arranged at the bottom of one side of one of the supporting columns (200), the connecting seat (40) is connected with the pulling device (41) through a steel strand (42), and the pulling device (41 ) is arranged on the guide rail (1), and the traction system (4) is used for pulling the frame body (2) to move on the guide rail (1). 10. A steel beam segmental construction system according to claim 9, characterized in that: the pulling device (41) includes a reaction force seat (410) and resists on the reaction force seat (410) The continuous jack (411), the continuous jack (411) is connected to the connecting seat (40) through the steel strand (42).