Segmented butt joint construction structure of large-span steel beam

Abstract

The utility model relates to the technical field of building construction, and discloses a segmented butt joint construction structure of large-span steel beams, which comprises a plurality of steel beams which are sequentially connected end to end, fixing columns are arranged at the head end of the first steel beam and the tail end of the last steel beam, temporary buttresses are arranged at the joints of the middle steel beams, and the temporary buttresses are connected with the steel beams. And the temporary buttresses are used for supporting and fixing the segmented parts of the steel beam. The temporary buttresses are used for temporarily supporting the sections of the steel beam, the sections of the steel beam are prevented from being broken and collapsed due to gravity, the buckling grooves and the buckling blocks are arranged on the connecting sections of the steel beam for pre-fixed connection, and the sections of the steel beam are pre-fixed under the action of the temporary buttresses. The situation that the position of the steel beam swings randomly when the steel beam is hoisted is avoided, an operator can further reinforce the steel beam on the basis of pre-fixing, the fixing bolts are fixed in the first steel beam and the second steel beam through the operation grooves, and the convenience of mounting and fixing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, and more specifically, to a segmented butt joint construction structure for long-span steel beams. Background Technique

[0002] Compared with traditional reinforced concrete buildings, steel structure buildings have many advantages such as large span, simple processing and manufacturing, convenient construction, short construction period, flexible structure, free form design, and good use effect, and are widely used in the construction industry.

[0003] Generally, for the installation of long-span steel structure box girders, when the construction site permits, the following two methods are usually adopted: one is to integrally process in a steel structure factory and integrally hoist on site; the other is to segmentally process in a steel structure factory and integrally hoist after welding on site. Both of these methods have relatively strict requirements for the construction site conditions. Not only is a sufficiently large site required for welding and assembling the long-span steel structure box girder, but also a large-tonnage crawler crane should be used for integral hoisting under traffic interruption conditions. Moreover, the integral hoisting until the segmented butt joint construction is completed increases the usage time of mechanical equipment, and the integral hoisting has no support for the beam segments, resulting in the position deviation of the beam segments when they are suspended, which causes difficulties for the butt joint construction. Content of the Utility Model

[0004] The purpose of the utility model is to provide a segmented butt joint construction structure for long-span steel beams. To ensure the stability between the I-shaped seat and the column, a support member is sleeved on the outer wall of the I-shaped seat, and the contact with the top plate is completed by using the support member, increasing the contact area between the top plate and the I-shaped seat to enhance the bearing capacity of the support surface in the middle of the I-shaped seat, aiming to solve the problems in the prior art that the integral hoisting until the segmented butt joint construction is completed increases the usage time of mechanical equipment, and the integral hoisting has no support for the beam segments, resulting in the position deviation of the beam segments when they are suspended.

[0005] The utility model is realized as follows: a segmented butt joint construction structure for long-span steel beams includes a plurality of steel beams connected end to end in sequence. Fixed columns are arranged at the head end of the first steel beam and the tail end of the last steel beam, and temporary piers are arranged at the connection points between the middle steel beams. The temporary piers support and fix the segmented parts of the steel beams.

[0006] Further, the temporary pier includes four bottom plates, columns are arranged at the upper ends of the bottom plates, a plurality of connecting columns are arranged at intervals between the columns, and reinforcing columns are connected between every two adjacent connecting columns.

[0007] Further, the columns and the connecting columns are connected to form a pier inner groove in the middle, and an inclined column is arranged in the pier inner groove, and both ends of the inclined column are fixed on the side walls of the opposite columns.

[0008] Further, roof plates are provided at the tops of the columns. Two parallel I-shaped seats are provided on the roof plates, and both ends of the I-shaped seats extend to the outside of the roof plates.

[0009] Further, a plurality of support members are sleeved on both sides of the outer wall of the I-shaped seat. The plurality of support members are sequentially connected end to end, and the support members are in contact with the roof plate.

[0010] Further, the support member includes a fixing piece. A through groove is provided on one side of the fixing piece. The through groove is adapted to the I-shaped seat to achieve sleeving, and the fixing piece is in the shape of " 凵 ".

[0011] Further, a support surface is formed in the middle of the I-shaped seat. The support surface is in contact with the steel beam to achieve segmented support for the steel beam.

[0012] Further, the steel beam includes a first steel beam and a second steel beam. A buckle is provided at one end of the first steel beam, and a buckle groove is provided at one end of the second steel beam. The buckle and the buckle groove are inserted to achieve pre-fixing.

[0013] Further, operation grooves are provided on both outer walls of one end of the second steel beam where the buckle groove is provided. The operation grooves facilitate further fixing of the segmented steel beam by personnel.

[0014] Further, the buckle is hollow, and a plurality of fixing bolts are provided on both sides of the inner wall of the buckle. The fixing bolts sequentially pass through the side walls of the buckle and the buckle groove and extend to the outside to complete the connection and fixing of the first steel beam and the second steel beam.

[0015] Compared with the prior art, the segmented butt-joint construction structure of the long-span steel beam provided by the present utility model has the following beneficial effects:

[0016] 1. By providing temporary piers to achieve temporary support for the segmented part of the steel beam, avoiding the breakage and collapse of the segmented part of the steel beam due to gravity. And for the connection section of the steel beam, a pre-fixed connection of a buckle groove and a buckle is set. Under the action of the temporary pier, the segmented part of the steel beam is in a pre-fixed situation, avoiding the random swing of the position when hoisting the steel beam. It is convenient for the operator to further reinforce on the basis of pre-fixing. The operator completes the fixing of the fixing bolts in the first steel beam and the second steel beam through the operation groove, improving the convenience of installation and fixing;

[0017] 2. The temporarily set pier contacts the ground through the bottom plate. Columns are arranged on the bottom plate, and the columns are multi-level fixed through connecting columns, strengthening columns and diagonal columns, enhancing the supporting force of the temporarily set pier. A top plate is arranged at the top of the column, and parallel I-shaped seats are arranged on the top plate. To ensure the stability between the I-shaped seat and the column, a support member is sleeved on the outer wall of the I-shaped seat, and the contact with the top plate is completed by the support member, increasing the contact area between the top plate and the I-shaped seat to improve the bearing capacity of the supporting surface in the middle of the I-shaped seat. Brief Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the segmented butt-joint construction structure of the long-span steel beam proposed by the present utility model;

[0019] Figure 2 It is a side view of the temporarily set pier in the segmented butt-joint construction structure of the long-span steel beam proposed by the present utility model;

[0020] Figure 3 It is a schematic diagram of the upper structure of the temporarily set pier in the segmented butt-joint construction structure of the long-span steel beam proposed by the present utility model;

[0021] Figure 4 It is a schematic structural diagram of the working support member in the segmented butt-joint construction structure of the long-span steel beam proposed by the present utility model;

[0022] Figure 5 is Figure 1 a schematic enlarged view of the structure of area A in

[0023] In the figure: 1 - steel frame, 11 - first steel frame, 12 - second steel frame, 13 - buckle block, 14 - buckle groove, 15 - operation groove, 16 - fixing bolt, 2 - fixing column, 3 - temporarily set pier, 31 - bottom plate, 32 - column, 33 - connecting column, 34 - strengthening column, 35 - top plate, 36 - diagonal column, 37 - I-shaped seat, 38 - support member, 381 - fixing piece, 382 - through groove. Detailed Embodiment

[0024] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] The implementation of the present utility model will be described in detail below with reference to specific embodiments.

[0026] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and cannot be construed as a limitation on the present utility model. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0027] Referring Figures 1-5 As shown, the segmented butt-joint construction structure of the long-span steel beam includes a plurality of steel beams 1 connected end to end in sequence. Fixed columns 2 are provided at the head end of the first steel beam 1 and the end of the last steel beam 1. Temporary piers 3 are provided at the joints between the intermediate steel beams 1. The temporary piers 3 support and fix the segmented parts of the steel beams 1. By setting the temporary piers 3, temporary support for the segmented parts of the steel beams 1 is realized, avoiding the breakage and collapse of the segmented parts of the steel beams 1 due to gravity. Moreover, under the action of the temporary piers 3, the segmented parts of the steel beams 1 are in a pre-fixed state, avoiding the situation where the position of the steel beam swings randomly during hoisting, which is convenient for the operator to further reinforce on the basis of pre-fixation.

[0028] In this embodiment, the temporary pier 3 includes four bottom plates 31. Columns 32 are provided at the upper ends of the bottom plates 31. A plurality of connecting columns 33 are arranged at intervals between the columns 32. Reinforcing columns 34 are connected between each adjacent pair of connecting columns 33. The columns 32 and the connecting columns 33 are connected to form a pier inner groove in the middle. An inclined column 36 is provided in the pier inner groove. Both ends of the inclined column 36 are fixed to the side walls of the opposite columns 32. Top plates 35 are provided at the tops of the columns 32. Two parallel I-shaped seats 37 are provided on the top plates 35. The two ends of the I-shaped seats 37 extend to the outside of the top plates 35. A plurality of support members 38 are sleeved on both outer walls of the I-shaped seats 37. The plurality of support members 38 are arranged in sequence and connected end to end, and the support members 38 are in contact with the top plates 35. The provided temporary pier 3 contacts the ground through the bottom plates 31. Columns 32 are provided on the bottom plates 31, and the columns 32 are multi-stage fixed through the connecting columns 33, the reinforcing columns 34, and the inclined column 36, enhancing the supporting force of the temporary pier 3. And top plates 35 are provided at the tops of the columns 32, and parallel I-shaped seats 37 are provided on the top plates 35. To ensure the stability between the I-shaped seats 37 and the columns 32, support members 38 are sleeved on the outer walls of the I-shaped seats 37, and the contact with the top plates 35 is completed by using the support members 38, increasing the contact area between the top plates 35 and the I-shaped seats 37 to enhance the bearing capacity of the middle support surface of the I-shaped seats 37.

[0029] In this embodiment, the support member 38 includes a fixing piece 381. A through groove 382 is provided on one side of the fixing piece 381. The through groove 382 is adapted to the I-shaped seat 37 to achieve socket connection, and the fixing piece 381 is in the shape of " 凵 ", and a plurality of fixing pieces 381 are sequentially connected end to end, and the bottom walls are all connected to the top plate 35.

[0030] In this embodiment, a support surface is formed in the middle of the I-shaped seat 37. The support surface contacts the steel beam 1 to achieve segmented support for the steel beam 1. The steel beam 1 includes a first steel beam 11 and a second steel beam 12. A buckle 13 is provided at one end of the first steel beam 11, and a buckle groove 14 is provided at one end of the second steel beam 12. The buckle 13 is inserted into the buckle groove 14 to achieve pre-fixation. The pre-fixed connection causes the segmented part of the steel beam 1 to be in a pre-fixed state under the action of the temporary pier 3, avoiding the situation where the position of the steel beam swings randomly during hoisting, and facilitating the operator to further reinforce on the basis of pre-fixation.

[0031] In this embodiment, operation grooves 15 are provided on the outer walls on both sides of the end of the second steel beam 12 where the buckle groove 14 is provided. The operation grooves 15 facilitate the further fixation of the segmented part of the steel beam 1. The buckle 13 is hollow, and a plurality of fixing bolts 16 are provided on both sides of the inner wall of the buckle 13. The fixing bolts 16 sequentially pass through the side walls of the buckle 13 and the buckle groove 14 and extend to the outside to complete the connection and fixation of the first steel beam 11 and the second steel beam 12. The operator realizes the fixation of the fixing bolts 16 in the first steel beam 11 and the second steel beam 12 through the operation grooves 15, improving the convenience of installation and fixation.

[0032] The temporary pier 3 provided in this technical solution contacts the ground through the bottom plate 31. A column 32 is provided on the bottom plate 31, and the columns 32 are multi-stage fixed through the connecting column 33, the strengthening column 34 and the inclined column 36, enhancing the supporting force of the temporary pier 3. And a top plate 35 is provided at the top of the column 32, and parallel I-shaped seats 37 are provided on the top plate 35. To ensure the stability between the I-shaped seat 37 and the column 32, a support member 38 is sleeved on the outer wall of the I-shaped seat 37, and the support member 38 is used to contact the top plate 35, increasing the contact area between the top plate 35 and the I-shaped seat 37 to improve the bearing capacity of the support surface in the middle of the I-shaped seat 37. The temporary pier 3 is provided to achieve temporary support for the segmented part of the steel beam 1, avoiding the breakage and collapse of the segmented part of the steel beam 1 due to gravity. And for the connection section of the steel beam 1, a pre-fixed connection of the buckle groove 14 and the buckle 13 is provided. The pre-fixed state of the segmented part of the steel beam 1 is caused under the action of the temporary pier 3, avoiding the situation where the position of the steel beam swings randomly during hoisting, and facilitating the operator to further reinforce on the basis of pre-fixation. The operator realizes the butt joint fixation of the fixing bolts 16 in the segmented part of the steel beam 1 through the operation grooves 15.

[0033] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. The segmented butt joint construction structure of the large-span steel beam is characterized by: It includes a plurality of steel beams connected end to end in sequence. Fixed columns are provided at the head end of the first steel beam and the end of the last steel beam. Temporary piers are provided at the joints between the middle steel beams, and the temporary piers support and fix the segmented parts of the steel beams. The temporary pier includes four bottom plates. Columns are provided at the upper ends of the bottom plates. A plurality of connecting columns are arranged at intervals between the columns, and reinforcing columns are connected between every two adjacent connecting columns. The columns and the connecting columns are connected to form an inner pier groove in the middle. Diagonal columns are arranged in the inner pier groove, and the two ends of the diagonal columns are fixed on the side walls of the opposite columns. Top plates are provided at the tops of the columns. Two parallel I-shaped seats are provided on the top plates, and the two ends of the I-shaped seats extend to the outside of the top plates. A plurality of support members are sleeved on both outer walls of the I-shaped seats. The plurality of support members are connected end to end in sequence, and the support members are in contact with the top plates.

2. The segmented butt joint construction structure of a large-span steel beam as claimed in claim 1 is characterized in that: The support member includes a fixing piece. A through groove is provided on one side of the fixing piece. The through groove is adapted to the I-shaped seat for sleeving, and the fixing piece is in a "凵" shape.

3. The segmented butt joint construction structure of a large-span steel beam as claimed in claim 2 is characterized in that: A support surface is formed in the middle of the I-shaped seat. The support surface is in contact with the steel beam to achieve segmented support for the steel beam.

4. The segmented butt joint construction structure of a large-span steel beam according to any one of claims 1 to 3, characterized in that: The steel beam includes a first steel beam and a second steel beam. A buckle is provided at one end of the first steel beam, and a buckle groove is provided at one end of the second steel beam. The buckle and the buckle groove are inserted for pre-fixing.

5. The segmented butt joint construction structure of a large-span steel beam as claimed in claim 4, characterized in that: Operation grooves are provided on both outer walls on the end of the second steel beam where the buckle groove is provided. The operation grooves facilitate further fixing of the segmented parts of the steel beam by personnel.

6. The segmented butt joint construction structure of a large-span steel beam as claimed in claim 5, characterized in that: The buckle is hollow, and a plurality of fixing bolts are provided on both inner walls of the buckle. The fixing bolts sequentially pass through the side walls of the buckle and the buckle groove and extend to the outside to complete the connection and fixing of the first steel beam and the second steel beam.

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