Assembly solid web type guide beam

Abstract

The utility model discloses an assembly solid web type guide beam which comprises a tail standard knot, a middle standard knot and an end standard knot, the tail standard knot is connected with a steel structure bridge, the middle standard knot is connected with the tail standard knot, and the end standard knot is connected with the middle standard knot. Limiting pieces are arranged on the tail standard section, positioning pieces are arranged on the steel structure bridge, the positioning pieces correspond to the limiting pieces in a one-to-one mode, the limiting pieces are positioned through the positioning pieces, and therefore positioning installation between the tail standard section and the steel structure bridge is achieved. The tail standard knot consists of three sections of standard knots, can be hoisted in sections and installed in place according to the size of an operation space during actual installation, is wide in application range, realizes accurate in-place of the tail standard knot through the matching of the limiting piece and the positioning piece when the tail standard knot is spliced with a steel structure bridge, and is convenient to use. The middle standard knots and the end standard knots are accurately hoisted in place through the lower limiting device, so that the stress of the guide beam is more reasonable, and the actual construction efficiency is also greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel structure bridge jacking, and in particular relates to an assembled solid-web guide beam. Background Art

[0002] In the process of pushing the steel structure bridge, in order to reduce the negative bending moment of the cantilever of the steel structure bridge and ensure the longitudinal anti-overturning stability of the steel structure bridge during the pushing process, a guide beam is often connected at the end of the bridge to complete the pushing of the bridge into place. Common guide beam forms include universal rods, Bailey frames, steel plate beams, etc. The above guide beam forms are all standardized products. During the on-site construction process, when encountering narrow space in the later stage of pushing, it is necessary to repeatedly remove the guide beams section by section, which is inconvenient to install and disassemble and has low construction efficiency. Summary of the invention

[0003] The utility model aims to provide a technical solution for assembling a solid-web guide beam in view of the deficiencies in the prior art. The structural design is ingenious and reasonable. The guide beam is composed of three standard sections, namely a tail standard section, a middle standard section and an end standard section. During actual installation, the guide beam can be hoisted and installed in sections according to the size of the operating space. The assembly and splicing are convenient and the application range is wide. When the tail standard section is assembled with the steel structure bridge, the tail standard section is accurately positioned through the cooperation of the limiter and the positioning member. At the same time, the middle standard section and the end standard section are hoisted and positioned through the lower limiter, thereby realizing the accurate positioning of the guide beam as a whole, making the force on the guide beam more reasonable and greatly improving the actual construction efficiency.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] An assembled solid-web guide beam comprises a tail standard section, a middle standard section and an end standard section, wherein the tail standard section is connected to a steel structure bridge, the middle standard section is connected to the tail standard section, and the end standard section is connected to the middle standard section; a limiting member is arranged on the tail standard section, and a positioning member is arranged on the steel structure bridge, wherein the positioning member corresponds to the limiting member one by one, and the limiting member is positioned by the positioning member, thereby realizing the positioning and installation between the tail standard section and the steel structure bridge; a lower limiting device is arranged on both the tail standard section and the middle standard section, and the installation between the middle standard section and the tail standard section, and the installation between the end standard section and the middle standard section is positioned by the lower limiting device. The utility model has an ingenious and reasonable structural design. The guide beam is composed of three standard sections, namely, a tail standard section, a middle standard section and an end standard section. During actual installation, the guide beam can be hoisted and installed in sections according to the size of the operating space. The assembly and splicing are convenient and the application range is wide. When the tail standard section is assembled with the steel structure bridge, the tail standard section is accurately positioned through the cooperation of the limiter and the positioning member. At the same time, the middle standard section and the end standard section are hoisted in place through the lower limiter, thereby realizing the accurate positioning of the guide beam as a whole, making the force on the guide beam more reasonable and greatly improving the actual construction efficiency.

[0006] Furthermore, the limiting member includes a limiting plate, one end of which is welded and fixed to the tail standard section, and the other end of the limiting plate extends out of the tail standard section to form a limiting portion. Welding is used to ensure the installation firmness and reliability between the limiting plate and the tail standard section. The portion of the limiting plate extending out of the tail standard section serves as a limiting plate, which cooperates with the limiting gap on the positioning member to achieve precise positioning of the tail standard section.

[0007] Furthermore, the positioning member includes two support plates, and the two support plates are symmetrically welded and fixed on the steel structure bridge. A tightening screw is provided through the two support plates, and the tightening screw is fixed to the support plate by a clamping nut. A limiting gap is formed between the tightening screws on the two support plates, and the limiting gap matches the limiting part. Two clamping nuts are screwed on each tightening screw, and the two clamping nuts are distributed on both sides of the corresponding support plate. The clamping and fixing of the two clamping nuts effectively ensures the installation firmness of the tightening screw on the support plate, and the fixing method also facilitates the adjustment of the position of the tightening screw, so that the tightening screw can be adjusted according to the size of the tail standard section, thereby realizing the precise positioning of the tail standard section and expanding the scope of application. Multiple tightening screws can be provided on each support plate, and preferably, the several tightening screws on the two support plates are symmetrically distributed with each other. Through the adjustment and cooperation of multiple groups of tightening screws, the formation of the limiting gap is more stable, which is more conducive to the precise insertion and positioning of the limiting part in the limiting gap.

[0008] Furthermore, reinforcing ribs 1 are provided between the limit plate and the rear standard section, and between the support plate and the steel structure bridge. The design of the reinforcing ribs 1 can improve the connection firmness and reliability between the limit plate and the rear standard section, and between the support plate and the steel structure bridge, and ensure the structural strength.

[0009] Furthermore, the tail standard section includes the left tail flange plate, the right tail flange plate and the middle truss 1. The left tail flange plate and the right tail flange plate are welded and fixed to the steel structure bridge. The middle truss 1 is connected between the left tail flange plate and the right tail flange plate. The middle truss 1 is bolted to the left tail flange plate and the right tail flange plate. The lower limit device is arranged on the left tail flange plate and the right tail flange plate. The design is ingenious. The tail standard section is divided into three parts. During actual assembly, the left tail flange plate and the right tail flange plate are hoisted and spliced ​​first, and the left tail flange plate and the right tail flange plate are fixed through the limiter Cooperate with the positioning parts to achieve precise positioning with the steel structure bridge, and then weld and fix them to ensure the installation firmness between the guide beam and the steel structure bridge, ensure the reasonable force of the guide beam, and then install the middle truss one, and the middle truss one and the left side flange plate of the tail and the right side flange plate of the tail are connected by bolts. The installation and disassembly are convenient and simple, which improves the construction efficiency. Lower limit devices are set on the left side flange plate of the tail and the right side flange plate of the tail, so as to facilitate the precise positioning between the left side flange plate of the middle and the left side flange plate of the tail, and the right side flange plate of the middle and the right side flange plate of the tail, thereby improving the structural safety performance of the assembled components.

[0010] Furthermore, the middle standard section includes a middle left flange plate, a middle right flange plate and a middle truss 2. The middle left flange plate is bolted to the tail left flange plate, the middle right flange plate is bolted to the tail right flange plate, the middle truss 2 is connected between the middle left flange plate and the middle right flange plate, the middle truss 2 is bolted to the middle left flange plate and the middle right flange plate, and the lower limit device is arranged on the middle left flange plate and the middle right flange plate. The design is ingenious. The middle standard section is divided into three parts. During actual assembly, the middle left flange plate and the middle right flange plate are hoisted and spliced ​​first, and then the middle truss 2 is installed, and The middle truss 2 is connected to the middle left flange plate and the middle right flange plate by bolts. The middle left flange plate and the tail left flange plate, as well as the middle right flange plate and the tail right flange plate are also connected by bolts. The installation and disassembly are convenient and simple, and the components can be disassembled and reused. At the same time, the construction efficiency is greatly improved. Lower limit devices are set on the middle left flange plate and the middle right flange plate, so as to facilitate the precise positioning of the end left flange plate and the middle left flange plate, and the end right flange plate and the middle right flange plate, thereby improving the structural safety performance of the assembled components.

[0011] Furthermore, the end standard section includes an end left flange plate, an end right flange plate and a middle truss three. The end left flange plate is bolted to the middle left flange plate, the end right flange plate is bolted to the middle right flange plate, the middle truss three is connected between the end left flange plate and the end right flange plate, and the middle truss three is bolted to the end left flange plate and the end right flange plate. The design is ingenious and reasonable. The end standard section is divided into three parts. During actual assembly, the end left flange plate and the end right flange plate are hoisted and assembled first, and then the middle truss three is installed. The middle truss three is connected to the end left flange plate and the end right flange plate by bolts. The end left flange plate and the middle left flange plate, as well as the end right flange plate and the middle right flange plate, are also connected by bolts. The installation and disassembly are convenient and simple, and the components can be disassembled and reused, which greatly improves the construction efficiency.

[0012] Furthermore, the lower limit device includes a base plate, a U-shaped frame and a positioning bolt. The U-shaped frame is welded and fixed to the base plate to form a limit frame. The limit frame is welded and fixed to the tail standard section or the middle standard section. After the limit frame is fixed to the tail standard section or the middle standard section, a positioning groove is formed. The positioning bolt is passed through the U-shaped frame. The positioning bolt is fixed to the U-shaped frame by clamping nut 2. One end of the positioning bolt extends and is set in the positioning groove. The structural design is ingenious and reasonable. The limit frame is welded and fixed to the corresponding standard section to ensure the installation firmness between the lower limit device and the standard section. At the same time, the limit frame is welded and fixed to the corresponding standard section. Afterwards, a positioning groove is formed in the limit frame, which is used for the subsequent hanging and positioning of the standard section, and the spacing in the positioning groove can be adjusted in combination with the design of the positioning bolts, so as to adapt to the hanging and positioning of standard sections of different sizes and expand the scope of application. In addition, it is preferred that a number of positioning bolts are provided, and the positioning and adjustment of multiple positioning bolts can ensure the accuracy of adjustment. After the standard section is positioned and inserted into the positioning groove, multiple positioning bolts can also tighten and fix the bottom of the standard section at the same time, and cooperate with the bolt fixation between the standard sections to effectively improve the firmness and stability of the connection after splicing.

[0013] Furthermore, a second reinforcing rib is provided between the bottom plate and the U-shaped frame. The design of the second reinforcing rib can improve the connection strength between the bottom plate and the U-shaped frame, making the structure of the lower limit device more solid and reliable.

[0014] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0015] The utility model has a simple and reasonable structural design and strong practicality. The guide beam is composed of three standard sections, namely, the tail standard section, the middle standard section and the end standard section. The tail standard section is fixed to the steel structure bridge by welding, and is precisely positioned by the limiter and the positioning member. The standard sections of the guide beam are fixedly connected by bolts, and are precisely positioned by the lower limiter. The above connection method can ensure that the guide beam is reasonably stressed. During the installation of the guide beam, it can also be hoisted and installed in sections according to the size of the operating space. In addition, the tail standard section and the middle standard section in the present application adopt a variable cross-section structure, so that the cross-sectional area of ​​the entire guide beam is gradually reduced from one end connected to the steel structure bridge to the other end, so that on the basis of meeting the structural strength, the weight can be reduced, steel can be saved, and the resistance caused by the air to the steel structure bridge during the top pushing process can be reduced. The three standard sections all adopt a combination of left and right flange plates and a middle truss. The middle truss is fixedly connected to the left and right flange plates with bolts, which is convenient to install and disassemble and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a structural schematic diagram of a solid-web guide beam assembled and spliced ​​with a steel structure bridge according to the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the local enlarged structure at position I in the middle;

[0019] Figure 3 This is a schematic diagram of the installation structure of the positioning member in the utility model on the steel structure bridge;

[0020] Figure 4 for Figure 1 A schematic diagram of the local enlarged structure at II in the middle;

[0021] Figure 5 It is a structural schematic diagram of the middle standard section of the utility model;

[0022] Figure 6 It is a schematic diagram of the installation structure of the middle and lower limit device of the utility model on the middle standard section;

[0023] Figure 7 It is a schematic diagram of the position distribution structure of the second reinforcing rib on the lower limit device in the utility model.

[0024] In the figure: 1-tail standard section; 2-middle standard section; 3-end standard section; 4-steel structure bridge; 5-limiting piece; 6-positioning piece; 7-lower limiting device; 8-limiting plate; 9-limiting part; 10-support plate; 11-tensioning screw; 12-clamping nut one; 13-limiting gap; 14-strengthening rib one; 15-tail left flange plate; 16-tail right flange plate; 17-middle truss one; 18-middle left flange plate; 19-middle right flange plate; 20-middle truss two; 21-end left flange plate; 22-end right flange plate; 23-middle truss three; 24-bottom plate; 25-U-shaped frame; 26-positioning bolt; 27-limiting frame; 28-positioning groove; 29-clamping nut two; 30-strengthening rib two. DETAILED DESCRIPTION

[0025] like Figures 1 to 7 As shown, the utility model is an assembled solid-web guide beam, including a tail standard section 1, a middle standard section 2 and an end standard section 3, the tail standard section 1 is connected to the steel structure bridge 4, the middle standard section 2 is connected to the tail standard section 1, and the end standard section 3 is connected to the middle standard section 2; a limiting member 5 is provided on the tail standard section 1, and a positioning member 6 is provided on the steel structure bridge 4, the positioning member 6 corresponds to the limiting member 5 one by one, and the limiting member 5 is positioned by the positioning member 6, so as to realize the positioning installation between the tail standard section 1 and the steel structure bridge 4; the tail standard section 1 and the middle standard section 2 are both provided with a lower limiting device 7, and the installation between the middle standard section 2 and the tail standard section 1, and the end standard section 3 and the middle standard section 2 is positioned by the lower limiting device 7. The utility model has an ingenious and reasonable structural design. The guide beam is composed of three standard sections, namely, a tail standard section 1, a middle standard section 2 and an end standard section 3. During actual installation, the guide beam can be hoisted and installed in sections according to the size of the operating space. The assembly and splicing are convenient and the application range is wide. When the tail standard section 1 is assembled with the steel structure bridge 4, the tail standard section 1 is accurately positioned through the cooperation of the limiting member 5 and the positioning member 6. At the same time, the middle standard section 2 and the end standard section 3 are hoisted in place through the lower limiting device 7, thereby realizing the accurate positioning of the guide beam as a whole, making the force on the guide beam more reasonable and greatly improving the actual construction efficiency.

[0026] The limiting member 5 includes a limiting plate 8, one end of which is welded and fixed to the tail standard section 1, and the other end of the limiting plate 8 extends out of the tail standard section 1 to form a limiting portion 9. Welding is used to ensure the installation firmness and reliability between the limiting plate 8 and the tail standard section 1. The part of the limiting plate 8 extending out of the tail standard section 1 serves as the limiting plate 8, which cooperates with the limiting gap 13 on the positioning member 6 to achieve precise positioning of the tail standard section 1.

[0027] The positioning member 6 includes two support plates 10, and the two support plates 10 are symmetrically welded and fixed on the steel structure bridge 4. The two support plates 10 are both provided with a jacking screw 11, and the jacking screw 11 is fixed on the support plate 10 by a clamping nut 12. A limiting gap 13 is formed between the jacking screws 11 on the two support plates 10, and the limiting gap 13 matches the limiting portion 9. Two clamping nuts 12 are screwed on each jacking screw 11, and the two clamping nuts 12 are distributed on both sides of the corresponding support plate 10. The clamping fixation of the two clamping nuts 12 effectively ensures that the jacking screw 11 is installed firmly on the support plate 10, and the fixing method is also convenient for adjusting the position of the tightening screw 11, so that the tightening screw 11 can be adjusted according to the actual size of the tail standard section 1, thereby realizing the precise positioning of the tail standard section 1 and expanding the scope of application. A plurality of tightening screws 11 can be arranged on each support plate 10, and preferably, the plurality of tightening screws 11 on the two support plates 10 are symmetrically distributed with each other. Through the adjustment and cooperation of multiple groups of tightening screws 11, the formation of the limit gap 13 is more stable, which is more conducive to the precise insertion and positioning of the limit part 9 in the limit gap 13.

[0028] Reinforcing ribs 14 are arranged between the limit plate 8 and the rear standard section 1, and between the support plate 10 and the steel structure bridge 4. The design of the reinforcing ribs 14 can improve the connection firmness and reliability between the limit plate 8 and the rear standard section 1, and between the support plate 10 and the steel structure bridge 4, and ensure the structural strength.

[0029] The tail standard section 1 includes a tail left flange plate 15, a tail right flange plate 16 and a middle truss 17. The tail left flange plate 15 and the tail right flange plate 16 are welded and fixed to the steel structure bridge 4. The middle truss 17 is connected between the tail left flange plate 15 and the tail right flange plate 16. The middle truss 17 is bolted to the tail left flange plate 15 and the tail right flange plate 16. The lower limit device 7 is arranged on the tail left flange plate 15 and the tail right flange plate 16. The design is ingenious. The tail standard section 1 is divided into three parts. During actual assembly, the tail left flange plate 15 and the tail right flange plate 16 are hoisted and spliced ​​first. The tail left flange plate 15 and the tail right flange plate 16 are both provided with limit members 5, and correspondingly, two positioning members 6 are arranged on the steel structure bridge 4. The two limit members 5 and the two positioning members 6 are connected to each other. The parts 6 correspond one to one, so that the left side flange plate 15 of the tail and the right side flange plate 16 of the tail can be accurately positioned with the steel structure bridge 4 through the limiter 5 and the positioning part 6, thereby improving the assembly accuracy. Then, they are welded and fixed to ensure the installation firmness between the guide beam and the steel structure bridge 4 and the reasonable force of the guide beam. Then, the middle truss 17 is installed, and the middle truss 17 and the left side flange plate 15 of the tail and the right side flange plate 16 of the tail are connected by bolts. The installation and disassembly are convenient and simple, thereby improving the construction efficiency. The lower limit device 7 is set at the lower part of the left side flange plate 15 of the tail and the right side flange plate 16 of the tail, thereby facilitating the accurate positioning between the middle left side flange plate 18 and the left side flange plate 15 of the tail, and the middle right side flange plate 19 and the right side flange plate 16 of the tail, thereby improving the structural safety performance of the assembled components.

[0030] The middle standard section 2 includes a middle left flange plate 18, a middle right flange plate 19 and a middle truss 20. The middle left flange plate 18 is fixed to the tail left flange plate 15 by bolts, and the middle right flange plate 19 is fixed to the tail right flange plate 16 by bolts. The middle truss 20 is connected between the middle left flange plate 18 and the middle right flange plate 19. The middle truss 20 is fixed to the middle left flange plate 18 and the middle right flange plate 19 by bolts. The lower limit device 7 is arranged on the middle left flange plate 18 and the middle right flange plate 19. The design is ingenious. The middle standard section 2 is divided into three parts. During actual assembly, the middle left flange plate 18 and the middle right flange plate 19 are hoisted and spliced ​​first. When the middle left flange plate 18 and the middle right flange plate 19 are hoisted and positioned, the tail left flange plate 15 and the tail right flange plate 16 are used to fix the middle truss 20. The lower limit device 7 on the right flange plate 16 is precisely positioned, and then the middle truss 20 is installed, and the middle truss 20 is connected to the middle left flange plate 18 and the middle right flange plate 19 by bolts. The middle left flange plate 18 and the tail left flange plate 15, and the middle right flange plate 19 and the tail right flange plate 16 are also connected by bolts. The installation and disassembly are convenient and simple, and the components can be disassembled and reused. At the same time, the construction efficiency is greatly improved. The lower limit device 7 is set on the middle left flange plate 18 and the middle right flange plate 19, so as to facilitate the precise positioning of the end left flange plate 21 and the middle left flange plate 18, and the end right flange plate 22 and the middle right flange plate 19, thereby improving the structural safety performance of the assembled components.

[0031] The end standard section 3 includes an end left flange plate 21, an end right flange plate 22 and a middle truss three 23. The end left flange plate 21 is bolted to the middle left flange plate 18, the end right flange plate 22 is bolted to the middle right flange plate 19, the middle truss three 23 is connected between the end left flange plate 21 and the end right flange plate 22, and the middle truss three 23 is bolted to the end left flange plate 21 and the end right flange plate 22. The design is ingenious and reasonable. The end standard section 3 is divided into three parts. During actual assembly, the end left flange plate 21 and the end right flange plate 22 are hoisted and assembled first, and the left truss three 23 is connected between the end left flange plate 21 and the end right flange plate 22. When the flange plate 21 and the end right flange plate 22 are hoisted and positioned, they are precisely positioned through the lower limit device 7 on the middle left flange plate 18 and the middle right flange plate 19, and then the middle truss three 23 is installed, and the middle truss three 23 and the end left flange plate 21 and the end right flange plate 22 are connected by bolts. The end left flange plate 21 and the middle left flange plate 18, and the end right flange plate 22 and the middle right flange plate 19 are also connected by bolts. The installation and disassembly are convenient and simple, and the components can be disassembled and reused, which greatly improves the construction efficiency.

[0032] The lower limit device 7 includes a bottom plate 24, a U-shaped frame 25 and a positioning bolt 26. The U-shaped frame 25 is welded and fixed to the bottom plate 24 to form a limit frame 27. The limit frame 27 is welded and fixed to the tail standard section 1 or the middle standard section 2. After the limit frame 27 is fixed to the tail standard section 1 or the middle standard section 2, a positioning groove 28 is formed. The positioning bolt 26 is passed through the U-shaped frame 25. The positioning bolt 26 is fixed to the U-shaped frame 25 by a clamping nut 29. One end of the positioning bolt 26 extends and is set in the positioning groove 28. The structural design is ingenious and reasonable. The limit frame 27 is welded and fixed to the corresponding standard section to ensure the installation firmness between the lower limit device 7 and the standard section. At the same time, the limit frame 27 is fixed to the corresponding After the standard sections are welded and fixed, a positioning groove 28 is formed in the limit frame 27. The positioning groove 28 is used for the subsequent hanging and positioning of the standard sections. The design of the positioning bolts 26 can also adjust the spacing in the positioning groove 28, so as to adapt to the hanging and positioning of standard sections of different sizes and expand the scope of application. In addition, it is preferred that there are several positioning bolts 26. Through the positioning adjustment of multiple positioning bolts 26, the adjustment accuracy is ensured. After the standard section is positioned and inserted into the positioning groove 28, multiple positioning bolts 26 can also tighten and fix the bottom of the standard section at the same time, and cooperate with the bolt fixation between the standard sections to effectively improve the connection firmness and stability after splicing. A reinforcing rib 2 30 is provided between the bottom plate 24 and the U-shaped frame 25. The design of the reinforcing rib 2 30 can improve the connection strength between the bottom plate 24 and the U-shaped frame 25, making the structure of the lower limit device 7 more firm and reliable.

[0033] The utility model has a simple and reasonable structural design and strong practicality. The guide beam is composed of three standard sections, namely, the tail standard section 1, the middle standard section 2 and the end standard section 3. The tail standard section 1 is fixed to the steel structure bridge 4 by welding, and is precisely positioned by the stopper 5 and the positioning member 6. The standard sections of the guide beam are fixedly connected by bolts, and are precisely positioned by the lower stopper 7. The above connection method can ensure that the guide beam is reasonably stressed. During the installation of the guide beam, it can also be hoisted and installed in sections according to the size of the operating space. In addition, the tail standard section 1 and the middle standard section 2 in the present application adopt a variable cross-section structure, so that the cross-sectional area of ​​the entire guide beam is gradually reduced from one end connected to the steel structure bridge 4 to the other end, so that on the basis of meeting the structural strength, the weight can be reduced, steel can be saved, and the resistance caused by the air to the steel structure bridge 4 during the jacking process can be reduced. The three standard sections all adopt a combination of left and right flange plates and a middle truss. The middle truss is fixedly connected with the left and right flange plates by bolts, which is convenient to install and disassemble and can be reused.

[0034] The guide beam of the utility model can be divided into sections according to the size of the construction space surface, so as to adapt to the narrow space in the later stage of jacking, and has a wide range of applications. Many components contained in the guide beam are connected by bolt fixing, which is convenient for installation and disassembly, and can be reused, which greatly improves the construction efficiency. Moreover, through the lower limit device 7, the positioning member 6 and the limit member 5, the relevant components of the guide beam can be accurately positioned, thereby realizing reasonable force on the guide beam and improving the safety performance of the components.

[0035] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. An assembled solid-web guide beam, characterized in that include: A tail standard section, wherein the tail standard section is connected to the steel structure bridge; A middle standard section, wherein the middle standard section is connected to the tail standard section; An end standard section, the end standard section is connected to the middle standard section; A limiting piece is arranged on the tail standard section, and a positioning piece is arranged on the steel structure bridge. The positioning piece corresponds to the limiting piece one by one, and the limiting piece is positioned by the positioning piece, so as to realize the positioning installation between the tail standard section and the steel structure bridge; The tail standard section and the middle standard section are both provided with lower limit devices, and the installation between the middle standard section and the tail standard section, and between the end standard section and the middle standard section are positioned by the lower limit devices.

2. The assembled solid-web guide beam according to claim 1, characterized in that: The limiting member comprises a limiting plate, one end of which is welded and fixed to the tail standard section, and the other end of which extends out of the tail standard section to form a limiting portion.

3. The assembled solid-web guide beam according to claim 2, characterized in that: The positioning member includes two support plates, and the two support plates are symmetrically welded and fixed on the steel structure bridge. A tightening screw is provided through the two support plates, and the tightening screw is fixed on the support plates by a clamping nut. A limiting gap is formed between the tightening screws on the two support plates, and the limiting gap matches the limiting part.

4. The assembled solid-web guide beam according to claim 3, characterized in that: A reinforcing rib is provided between the limit plate and the tail standard section, and between the support plate and the steel structure bridge.

5. The assembled solid-web guide beam according to claim 1, characterized in that: The tail standard section includes a tail left flange plate, a tail right flange plate and a middle truss 1. The tail left flange plate and the tail right flange plate are both welded and fixed to the steel structure bridge. The middle truss 1 is connected between the tail left flange plate and the tail right flange plate. The middle truss 1 is bolted to the tail left flange plate and the tail right flange plate. The lower limit device is arranged on the tail left flange plate and the tail right flange plate.

6. The assembled solid-web guide beam according to claim 5, characterized in that: The middle standard section includes a middle left flange plate, a middle right flange plate and a middle truss 2. The middle left flange plate is bolted to the tail left flange plate, the middle right flange plate is bolted to the tail right flange plate, the middle truss 2 is connected between the middle left flange plate and the middle right flange plate, the middle truss 2 is bolted to the middle left flange plate and the middle right flange plate, and the lower limit device is arranged on the middle left flange plate and the middle right flange plate.

7. The assembled solid-web guide beam according to claim 6, characterized in that: The end standard section includes an end left flange plate, an end right flange plate and a middle truss three, the end left flange plate is bolted to the middle left flange plate, the end right flange plate is bolted to the middle right flange plate, the middle truss three is connected between the end left flange plate and the end right flange plate, and the middle truss three is bolted to the end left flange plate and the end right flange plate.

8. The assembled solid-web guide beam according to claim 1, characterized in that: The lower limit device includes a base plate, a U-shaped frame and a positioning bolt. The U-shaped frame is welded and fixed to the base plate to form a limit frame. The limit frame is welded and fixed to the tail standard section or the middle standard section. After the limit frame is fixed to the tail standard section or the middle standard section, a positioning groove is formed. The positioning bolt is passed through the U-shaped frame. The positioning bolt is fixed to the U-shaped frame by a clamping nut 2, and one end of the positioning bolt extends and is arranged in the positioning groove.

9. The assembled solid-web guide beam according to claim 8, characterized in that: A second reinforcing rib is arranged between the bottom plate and the U-shaped frame.

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