Method for manufacturing a steel anchor beam

Abstract

The application discloses a steel anchor beam preparation method. The method comprises the following steps: preparing steel material, a crescent-shaped die and a cable sleeve; cutting the steel material to form a wall plate; an elliptical hole is formed on the wall plate, the elliptical hole penetrates the wall plate along the thickness direction of the wall plate; the crescent-shaped die is placed on one side of the wall plate along the edge line of the elliptical hole in the thickness direction of the wall plate and a line is drawn; the elliptical hole on the other side opposite to the line is cut along the edge line to form a mounting hole; the cable sleeve is mounted to form a wall plate assembly; a steel anchor box is prepared; the steel anchor beam is assembled; a steel bracket is prepared; and the wall plate assembly, the steel anchor beam and the steel bracket are spliced. The steel anchor beam preparation method can guarantee the butt joint precision and the fit degree between the cable sleeve and the wall plate.

Description

Technical Field

[0001] This invention relates to the field of bridge construction technology, and in particular to a method for preparing steel anchor beams. Background Technology

[0002] With economic development, bridges are also constantly evolving. The spans of cable-stayed bridges are continuously increasing, and the performance requirements for bridge steel are becoming increasingly stringent. The cable anchorage section of the pylon is a crucial load-bearing structure that safely and evenly transfers the localized concentrated stress of a cable to the pylon. For long-span cable-stayed bridges, there are three main anchorage methods: circumferential stress anchorage, steel anchor box anchorage, and steel anchor beam anchorage. Currently, steel anchor beams are increasingly used in cable-stayed bridges, leading to increasingly higher requirements for their fabrication and construction techniques.

[0003] In the existing technology, during the preparation of steel anchor beams, each component needs to be prepared separately and then spliced ​​together. If the gaps between the components are large, welding is required to fill the gaps. In particular, when connecting the cable sleeve and the wall panel, the cable sleeve needs to be inclined to the wall panel, and the diameter of the hole in the wall panel needs to be slightly larger than the diameter of the cable sleeve. The wall panel itself has a certain thickness, and after the cable sleeve is inserted into the hole in the wall panel, there is a large gap between the two. A lot of welding is required to fill the gap, which is not only time-consuming and labor-intensive, but also the connection effect is not ideal. At the same time, a lot of welding can also easily cause deformation of the cable sleeve. Summary of the Invention

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a method for preparing steel anchor beams, which can ensure the fit between the cable sleeve and the wall panel mounting hole, thereby reducing the amount of welding repair and ensuring that the cable sleeve does not deform.

[0005] A method for manufacturing a steel anchor beam according to a first aspect of the present invention includes:

[0006] Prepare steel, crescent mold, and cable sleeve;

[0007] The steel is cut to form a wall panel;

[0008] An elliptical hole is formed in the wall panel, and the elliptical hole penetrates the wall panel along the thickness direction of the wall panel;

[0009] Place the crescent-shaped mold along the edge of the elliptical hole on one side of the wall panel in the thickness direction and scribing it;

[0010] Cut along the edge of the elliptical hole to the opposite side of the scribe line to form a mounting hole;

[0011] Install the cable sleeve to form a wall panel assembly;

[0012] Prepare steel anchor boxes;

[0013] Assemble the steel anchor beams;

[0014] Preparation of steel brackets;

[0015] The wall panel assembly, the steel anchor beam, and the steel bracket are spliced ​​together.

[0016] The method for preparing steel anchor beams according to embodiments of the present invention has at least the following beneficial effects:

[0017] Elliptical holes are made in the wall panel. The installation holes are formed by marking with a crescent-shaped die. The cable sleeve is installed at an angle in the installation hole. The installation hole cut by the crescent-shaped die not only has an inclined wall but also has a curvature, which can better fit with the cable sleeve. This can reduce the gap between the cable sleeve and the wall panel, ensure the fit between the cable sleeve and the installation hole of the wall panel, and also reduce the amount of welding, avoiding deformation of the cable sleeve due to a large amount of welding.

[0018] In other embodiments of the invention, the step of installing the cable sleeve to form a wall panel assembly includes:

[0019] Prepare anti-deformation tire frames and PBL keys;

[0020] Position the PBL key on the wall panel and scribing it.

[0021] The wall panel is hoisted onto the anti-deformation frame and fixed in place;

[0022] Install the PBL key according to the marked lines;

[0023] Install the cable sleeve into the mounting hole.

[0024] In other embodiments of the present invention, the step of preparing the steel anchor box includes:

[0025] Prepare steel and reinforcing components;

[0026] The steel is cut to prepare the anchor bearing plate, anchor pad plate, and load-bearing plate;

[0027] A circular hole is made at the center of the anchor bearing plate and the anchor pad plate;

[0028] Connect the anchor bearing plate and the anchor pad plate to make the two circular holes concentric;

[0029] The holes are bored to make the diameters of the holes on the anchor bearing plate and the anchor pad plate the same;

[0030] Install the load-bearing plate and reinforcement.

[0031] In other embodiments of the present invention, the step of assembling the steel anchor beam includes:

[0032] Prepare steel and reinforcing components;

[0033] The steel is cut to prepare the anchor plate, top plate, bottom plate, and limiting plate;

[0034] The top plate and the steel anchor box are assembled onto the anchor plate;

[0035] Assemble the anchor plate on the other side;

[0036] Assemble the base plate, reinforcing member, and limiting plate, and make connection holes.

[0037] In other embodiments of the present invention, the step of assembling the base plate, the reinforcing member, and the limiting plate, and forming the connecting hole includes:

[0038] First welding, correction, and assembly of the base plate;

[0039] Second welding, straightening, and assembly of reinforcing components;

[0040] The third welding, correction, and assembly of the remaining reinforcing components and the limiting plate;

[0041] The fourth correction involves opening the aforementioned connection hole.

[0042] In other embodiments of the present invention, the step of assembling the top plate and the steel anchor box onto the anchor plate includes:

[0043] Position the steel anchor box on the anchor plate;

[0044] Level the anchor plate;

[0045] Assemble the steel anchor box using the bottom edge of the anchor plate as the reference edge;

[0046] welding.

[0047] In other embodiments of the present invention, the step of splicing the wall panel assembly, the steel anchor beam, and the steel corbel includes:

[0048] Prepare steel plates and steel bracket supports;

[0049] Lay the steel plate on a flat surface;

[0050] Position each component on the steel plate and mark the lines accordingly;

[0051] The steel bracket is connected to the steel plate according to the markings;

[0052] First pre-assembly;

[0053] Check the fit of each component;

[0054] Second pre-assembly;

[0055] acceptance.

[0056] In other embodiments of the present invention, the step of detecting the bonding of each component includes:

[0057] Prepare for direct pipe;

[0058] A straight pipe is passed through the cable sleeve and the circular hole on the steel anchor box for observation;

[0059] The positions of the steel anchor box and the cable sleeve are adjusted based on the observation results.

[0060] In other embodiments of the present invention, the step of detecting the bonding of each component includes:

[0061] Observe the fit between the bottom plate of the steel anchor beam and the upper bearing plate of the steel bracket;

[0062] Remove the steel anchor beam and the steel bracket;

[0063] Mill the bottom plate of the steel anchor beam and the upper support plate of the steel bracket.

[0064] In other embodiments of the present invention, the step of preparing the steel bracket includes:

[0065] Prepare the steel bracket upper support plate, bracket plate, and reinforcing components;

[0066] Position the bracket plate on the upper support plate of the steel bracket and mark the line.

[0067] Assemble the bracket plate and some reinforcing components according to the markings;

[0068] Welding and straightening;

[0069] Assemble the remaining reinforcement components;

[0070] Welding and straightening.

[0071] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0072] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0073] Figure 1 This is a schematic diagram of the overall structure of the steel anchor beam in one embodiment of the present invention;

[0074] Figure 2 This is a schematic diagram of the wall panel structure in one embodiment of the present invention;

[0075] Figure 3 This is a schematic diagram of the steel anchor box in one embodiment of the present invention.

[0076] Figure label:

[0077] 100 steel anchor beam, 110 steel anchor box, 111 anchor bearing plate, 112 anchor pad, 113 bearing plate, 120 anchor tie plate, 130 top plate, 140 bottom plate;

[0078] Steel bracket 200;

[0079] Wall panel assembly 300, wall panel 310, mounting hole 311, PBL key 320, cable sleeve 330. Detailed Implementation

[0080] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0081] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0082] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0083] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0084] In the description of this invention, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0085] Reference Figures 1 to 3 The method for preparing the steel anchor beam 100 according to the first embodiment of the present invention includes:

[0086] Prepare steel, crescent mold, and cable sleeve 330;

[0087] Prepare a quantity of steel for cutting and forming the various components required for the steel anchor beam 100. The crescent mold is a template with a crescent shape.

[0088] Cut the steel to form the wall panel 310;

[0089] The wall panel 310 is generally cut using a high-precision CNC flame cutting machine, and the blanking deviation is +0-2mm, with no negative tolerance. After cutting, the straight edge is beveled by cold working to ensure the straightness of each edge of the wall panel 310.

[0090] An elliptical hole is made in the wall panel 310, and the elliptical hole penetrates the wall panel 310 along the thickness direction of the wall panel 310.

[0091] Position the mounting hole 311 on the wall panel 310, and make an elliptical hole according to the positioning. The elliptical hole penetrates the wall panel 310 in the thickness direction for subsequent installation of the cable sleeve 330.

[0092] Place a crescent-shaped mold along the edge of the elliptical hole on one side of the wall panel 310 in the thickness direction and scribing it.

[0093] Place the crescent mold along the edge of the elliptical hole, where the major axis of the crescent mold and the major axis of the elliptical hole need to coincide. Mark the edge of the crescent mold on the wall panel 310 for subsequent cutting.

[0094] Cut along the scribe line to the edge of the elliptical hole on the opposite side of the scribe line to form the mounting hole 311;

[0095] Reference Figure 2In the thickness direction of the wall panel 310, a cut is made along the scribing line to the edge of the elliptical hole on the other side of the thickness direction. After removing the excess part, a mounting hole 311 is formed. The wall of the mounting hole 311 is inclined in the thickness direction of the wall panel 310 and has a curvature. It should be noted that scribing and cutting are required on both sides of the major axis of the elliptical hole, but the scribing lines on both sides are located on opposite sides of the thickness direction of the wall panel 310. This ensures that the formed mounting hole 311 fits better with the cable sleeve 330.

[0096] Install the cable sleeve 330 to form the wall panel assembly 300;

[0097] The cable sleeve 330 is inserted into the mounting hole 311. The wall of the mounting hole 311 and the outer wall of the cable sleeve 330 are fitted together. The two are then connected by welding, and the gap between them is filled by welding to ensure that the cable sleeve 330 is stably connected to the wall plate 310.

[0098] Prepare steel anchor box 110;

[0099] Assemble 100 steel anchor beams;

[0100] Prepare steel bracket 200;

[0101] The wall panel assembly 300, steel anchor beam 100, and steel bracket 200 are spliced ​​together.

[0102] In some embodiments, the step of installing the cable sleeve 330 to form the wall panel assembly 300 includes:

[0103] Prepare anti-deformation tire frames and PBL key 320;

[0104] PBL key 320 is a shear key, which is a type of key that breaks when an object is subjected to excessive shear force, thus protecting other components. Its function is similar to a fuse in an electrical circuit. PBL key 320 is the most commonly used connecting component in the steel anchor beam 100 structure. The anti-deformation bracket is used to fix the wall panel 310 and prevents deformation when operating on the wall panel 310. In some embodiments, the wall panel 310 is also fixed to the anti-deformation bracket when the mounting holes 311 are formed.

[0105] Position the PBL key 320 on the wall panel 310 and scribing it.

[0106] Determine the required number and installation location of PBL keys 320 based on the actual situation, and mark their positioning.

[0107] The wall panel 310 is hoisted onto the anti-deformation frame and secured.

[0108] The wall panel 310 is placed on the anti-deformation frame by hoisting. The anti-deformation frame has snap-fit ​​parts, which are used to snap the wall panel 310 onto the anti-deformation frame and fix it in place.

[0109] Install PBL key 320 according to the markings;

[0110] Weld the PBL key 320 to the wall panel 310 according to the markings, adjust the direction of the anti-deformation frame, and connect all PBL keys 320 to the wall panel 310.

[0111] Install the cable sleeve 330 into the mounting hole 311;

[0112] The cable sleeve 330 is inserted into the mounting hole 311, and the two fit together. The gap between the cable sleeve 330 and the wall plate 310 is filled by welding to ensure that the cable sleeve 330 is stably connected to the wall plate 310.

[0113] In some embodiments, refer to Figure 3 The steps for preparing the steel anchor box 110 include:

[0114] Prepare steel and reinforcing components;

[0115] It should be noted that the reinforcing members mentioned in the embodiments of the present invention refer to components that have the function of reinforcing connection, and their shape and size are not limited.

[0116] Cut steel to prepare anchor bearing plate 111, anchor pad plate 112 and load-bearing plate 113;

[0117] The steel is cut to form the anchor bearing plate 111, anchor pad plate 112 and bearing plate 113. Generally, a high-precision flame cutting machine is used for cutting, and the cutting tolerance of each part is 0-2mm. After cutting, cold working straight edge milling bevel is required to ensure the straightness of each part.

[0118] A circular hole is made at the center of the anchor bearing plate 111 and the anchor pad plate 112;

[0119] Anchor bearing plate 111 and anchor pad plate 112 each have a circular hole at their center. The circular hole penetrates the plate body along the thickness direction of each anchor bearing plate 111 and anchor pad plate 112. Depending on the actual requirements, the diameter of the circular hole is slightly smaller than the actual requirements, generally 5-15mm smaller than the actual requirements.

[0120] Connect the anchor bearing plate 111 and the anchor pad 112 to make the two circular holes concentric;

[0121] Along the axial direction of the opened circular holes, the anchor bearing plate 111 and the anchor pad plate 112 are assembled and connected, generally by welding, so that the centers of the two circular holes coincide after assembly.

[0122] The holes are bored to make the diameters of the round holes on the anchor bearing plate 111 and the anchor pad plate 112 consistent;

[0123] Boring is performed using the center of the drilled hole as a reference. The entire assembly of the anchor bearing plate 111 and the anchor pad 112 is bored to ensure that the diameter of the hole meets the actual requirements. The diameters of the holes on the anchor bearing plate 111 and the anchor pad 112 are completely consistent to ensure the coaxiality of the steel anchor box 110.

[0124] Install load-bearing plate 113 and reinforcing components;

[0125] Using the center of the bored hole as a reference, a bearing plate 113 is installed on one side of the anchor bearing plate 111, and reinforcing parts are welded on the bearing plate 113 to form a steel anchor box 110.

[0126] In some embodiments, the step of assembling the steel anchor beam 100 includes:

[0127] Prepare steel and reinforcing components;

[0128] Cut steel to prepare anchor plate 120, top plate 130, bottom plate 140, and limiting plate;

[0129] The parts are cut and shaped using a high-precision CNC flame cutting machine. Each part is cut individually with a blanking tolerance of 0-2mm. After blanking, cold working is required to straighten the edge and bevel the edges to ensure the straightness of each part.

[0130] The top plate 130 and the steel anchor box 110 are assembled onto the anchor plate 120;

[0131] The position of the steel anchor box 110 is laser-positioned and laser-marked on the anchor plate 120. One of the anchor plates 120 is placed on the jig and leveled. Using the bottom edge of the anchor plate 120 as the reference edge, the steel anchor box 110 and the top plate 130 are precisely assembled on the anchor plate 120 according to the longitudinal and transverse baselines, anchor points, and position lines of the steel anchor box 110 on the inner side of the anchor plate 120. All connections are welded and deformation supports are added.

[0132] Assemble the other side anchor plate 120;

[0133] Using the bottom edge of the anchor plate 120 as the reference edge, install the other anchor plate 120, align the two anchor plates 120, and then weld the two anchor plates 120, steel anchor box 110 and top plate 130 together.

[0134] Assemble the base plate 140, reinforcing parts, and limiting plate, and make connection holes;

[0135] Assemble the base plate 140, install reinforcing members and limiting plates between the anchor plates 120 on both sides, and open connection holes on the base plate 140 according to the actual position of the steel brackets 200 to be connected.

[0136] In some embodiments, the step of assembling the base plate 140, the reinforcing member, and the limiting plate, and opening the connection hole includes:

[0137] First welding, correction, and assembly of the base plate 140;

[0138] After assembling the anchor plates 120 on both sides, the steel anchor box 110 and the top plate 130 together, weld the various joints and inspect them. If any adjustments are needed, make corrections. After the corrections are completed, assemble the bottom plate 140 under the anchor plates 120.

[0139] Second welding, straightening, and assembly of reinforcing components;

[0140] Weld the connection between the base plate 140 and the anchor plate 120, and inspect and correct it. After correction, assemble the reinforcing member between the anchor plates 120 on both sides.

[0141] The third welding, straightening, and assembly of the remaining reinforcing parts and limiting plates;

[0142] Weld each reinforcing component, and then inspect and correct it. After correction, assemble the remaining reinforcing components and limiting plates, and then weld them together.

[0143] The fourth correction involved creating a connection hole.

[0144] The fourth inspection and correction is carried out, and connection holes are opened on the base plate 140. The position of the connection holes corresponds to the position of the holes on the upper bearing plate of the steel bracket 200.

[0145] The steel anchor beam 100, which is assembled by multiple welding and straightening processes, has better fit between its various parts. Each part is straightened and welded after assembly, which can avoid rework after problems occur and ensure that the connection between the parts is more stable. The finished steel anchor box 110 can meet the design requirements.

[0146] In some embodiments, the step of assembling the top plate 130 and the steel anchor box 110 onto the anchor plate 120 includes:

[0147] Position the steel anchor box 110 on the anchor plate 120;

[0148] It should be noted that there are two anchor plates 120. The position of the steel anchor box 110 is located by laser on the two anchor plates 120 and the lines are marked.

[0149] Level the anchor plate 120;

[0150] It should be noted that when assembling the steel anchor beam 100, a corresponding jig is also required. One of the anchor plates 120 is hoisted onto the jig and leveled to facilitate the assembly of other parts.

[0151] Assemble the steel anchor box 110 with the bottom edge of the anchor plate 120 as the reference edge;

[0152] Based on the longitudinal and transverse baselines, anchor points, and position lines of the steel anchor box 110 on the inner side of the anchor plate 120, precisely assemble the steel anchor box 110 and the top plate 130 onto the anchor plate 120, observe whether the positions of each part are aligned, and adjust if there is any deviation.

[0153] welding;

[0154] Welding is performed at the joints between the various parts. First, a complete weld is performed, and then spot welding is performed at each weld seam to ensure the stability of the connection.

[0155] In some embodiments, the step of splicing the wall panel assembly 300, the steel anchor beam 100, and the steel bracket 200 includes:

[0156] Prepare steel plates and steel bracket supports;

[0157] The steel bracket support can be manufactured during the initial cutting and blanking process, using a high-precision flame cutting machine.

[0158] Lay the steel plate on a flat surface;

[0159] Position each component on the steel plate and mark the lines accordingly;

[0160] The transverse and longitudinal reference lines of the steel anchor beam 100 and the inner edge line of the wall panel 310 are precisely marked on the steel plate.

[0161] Connect the steel bracket to the steel plate according to the markings;

[0162] It should be noted that an outer positioning plate and an inner bracket are also required. According to the marked position, place the outer positioning plate, the inner bracket, and the steel bracket support in the set position and weld them to the steel plate.

[0163] First pre-assembly;

[0164] The first pre-assembly is carried out. The pre-assembly steps are as follows: install one side wall panel 310, then install the other side wall panel 310, install the steel brackets 200 on both sides according to the position of the wall panel 310, then install the steel anchor beam 100 on the steel bracket 200, then install the side baffles, and install the horizontal braces and connecting plates on both sides.

[0165] Check the fit of each component;

[0166] After all the components are assembled, the fit between them needs to be checked, and adjustments need to be made to each component based on the check results.

[0167] Second pre-assembly;

[0168] After checking the fit between the components and making adjustments, a second pre-assembly is performed. The second pre-assembly also requires the preparation of PTFE plates. The pre-assembly steps are as follows: install one side wall panel 310, then install the other side wall panel 310, install the two side steel brackets 200, install PTFE plates and stainless steel plates, then install the steel anchor beam 100, and then check the fit between the upper support plate of the steel bracket and the bottom plate 140 of the steel anchor beam 100 again.

[0169] acceptance;

[0170] After all parts are assembled, a complete inspection is carried out to ensure that each component is in the correct position and that they fit together properly. Once the stainless steel plate and PTFE plate are firmly bonded, the whole unit is moved away.

[0171] Two pre-assemblies are performed, with testing conducted between and after the second pre-assembly. This process further improves the fit between the components and ensures the quality of the final assembled product.

[0172] In some embodiments, the step of detecting the bonding of each component includes:

[0173] Prepare for direct pipe;

[0174] Straight pipes are generally made of PVC, but are not limited to PVC; any straight pipe or rod that has a certain degree of flexibility is acceptable.

[0175] A straight pipe is passed through the circular hole on the cable sleeve 330 and the steel anchor box 110 for observation;

[0176] The straight tube passes through the round holes on the cable sleeve 330 and the steel anchor box 110. It can be understood that after the steel anchor beam 100 is prepared, it is used to connect the cables on the bridge. The cables need to pass through the round holes on the cable sleeve 330 and the steel anchor box 110. During the preparation process, the straight tube passes through the round holes on the cable sleeve 330 and the steel anchor box 110, so the connection of each hole can be directly observed.

[0177] Adjust the positions of steel anchor box 110 and cable sleeve 330 according to the observation results;

[0178] If there is any deviation in the straight pipe passing through the circular hole on the cable sleeve 330 and the steel anchor box 110, it can be adjusted. This can avoid the situation where the steel anchor beam 100 has problems after installation on the construction site and requires rework, thereby reducing construction costs and improving the qualification rate of the steel anchor beam 100.

[0179] In some embodiments, the step of detecting the bonding of the components further includes:

[0180] Observe the fit between the bottom plate 140 of the steel anchor beam 100 and the upper bearing plate of the steel bracket;

[0181] After the first pre-assembly, the fit of each component needs to be observed. The observation between the bottom plate 140 of the steel anchor beam 100 and the upper bearing plate of the steel bracket needs to be carried out separately.

[0182] Remove the steel anchor beam 100 and the steel bracket 200;

[0183] After the first pre-assembly, each component needs to be disassembled and adjusted before a second pre-assembly is performed to improve the fit between the components.

[0184] Mill the bottom plate 140 of the steel anchor beam 100 and the upper bearing plate of the steel bracket;

[0185] The base plate 140 of the steel anchor beam 100 and the upper support plate of the steel bracket need to be welded together. After removing the base plate 140 of the steel anchor beam 100 and the upper support plate of the steel bracket, they are milled flat to improve their fit. It is understandable that the base plate 140 of the steel anchor beam 100 and the upper support plate of the steel bracket are pre-assembled and then milled according to the fit. This can reduce the amount of welding between them and further improve their fit.

[0186] In some embodiments, the steps for preparing the steel bull leg 200 include:

[0187] Prepare the steel bracket upper support plate, bracket plate, and reinforcing components;

[0188] The steel bracket upper support plate, bracket plate and reinforcement can be made during the cutting and blanking process in the previous step. The cutting and blanking is also carried out by a high-precision flame cutting machine, and the blanking deviation is +0-2mm. There must be no negative tolerance. After cutting, the straight edge beveling is carried out by cold working to ensure the straightness of each side of the part.

[0189] Position the bracket plate on the upper support plate of the steel bracket and mark the lines accordingly;

[0190] Draw transverse and longitudinal reference lines on the upper and lower surfaces of the steel bracket upper plate to locate the bracket plate and mark the lines.

[0191] Assemble the bracket plate and some reinforcing components according to the markings;

[0192] Install the bracket plate onto the upper support plate of the steel bracket, and assemble some of the reinforcing components into the designated positions.

[0193] Welding and straightening;

[0194] The bracket plate and reinforcement are installed onto the upper support plate of the steel bracket by welding, and then tested. The corresponding corrections are made according to the test results.

[0195] Assemble the remaining reinforcement components;

[0196] Welding and straightening.

[0197] According to the preparation method of the steel anchor beam 100 proposed in this invention, the fit between the components is better and the connection strength between the components is greatly improved, which not only ensures the accuracy, but also ensures the overall stability of the steel anchor beam 100.

[0198] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof can be combined with each other unless otherwise specified.

Claims

1. A method for preparing a steel anchor beam, characterized in that, Includes the following steps: Prepare steel, crescent mold, and cable sleeve; The steel is cut to form a wall panel; An elliptical hole is formed in the wall panel, and the elliptical hole penetrates the wall panel along the thickness direction of the wall panel; The crescent-shaped mold is placed and scribing is performed on one side of the elliptical hole along its major axis in the thickness direction of the wall panel. The major axis of the crescent-shaped mold coincides with the major axis of the elliptical hole. The crescent-shaped mold is placed and scribing is performed on the other side of the elliptical hole along its major axis in the thickness direction of the wall panel. Cut along the edge of the elliptical hole to the opposite side of the scribe line to form a mounting hole; Install the cable sleeve to form a wall panel assembly; Prepare steel anchor boxes; Assemble the steel anchor beams; Preparation of steel brackets; The wall panel assembly, the steel anchor beam, and the steel bracket are spliced ​​together.

2. The method for preparing a steel anchor beam according to claim 1, characterized in that, The step of installing the cable sleeve to form the wall panel assembly includes: Prepare anti-deformation tire frames and PBL keys; Position the PBL key on the wall panel and scribing it. The wall panel is hoisted onto the anti-deformation frame and fixed in place; Install the PBL key according to the marked lines; Install the cable sleeve into the mounting hole.

3. The method for preparing a steel anchor beam according to claim 1, characterized in that, The steps for preparing the steel anchor box include: Prepare steel and reinforcing components; The steel is cut to prepare the anchor bearing plate, anchor pad plate, and load-bearing plate; A circular hole is made at the center of the anchor bearing plate and the anchor pad plate; Connect the anchor bearing plate and the anchor pad plate to make the two circular holes concentric; The holes are bored to make the diameters of the holes on the anchor bearing plate and the anchor pad plate the same; Install the load-bearing plate and reinforcement.

4. The method for preparing a steel anchor beam according to claim 1, characterized in that, The steps for assembling the steel anchor beam include: Prepare steel and reinforcing components; The steel is cut to prepare the anchor plate, top plate, bottom plate, and limiting plate; The top plate and the steel anchor box are assembled onto the anchor plate; Assemble the anchor plate on the other side; Assemble the base plate, reinforcing member, and limiting plate, and make connection holes.

5. The method for preparing a steel anchor beam according to claim 4, characterized in that, The step of assembling the base plate, the reinforcing member, and the limiting plate, and opening the connection holes, includes: First welding, correction, and assembly of the base plate; Second welding, straightening, and assembly of reinforcing components; The third welding, correction, and assembly of the remaining reinforcing components and the limiting plate; The fourth correction involves opening the aforementioned connection hole.

6. The method for preparing a steel anchor beam according to claim 4, characterized in that, The step of assembling the top plate and the steel anchor box onto the anchor plate includes: Position the steel anchor box on the anchor plate; Level the anchor plate; Assemble the steel anchor box using the bottom edge of the anchor plate as the reference edge; welding.

7. The method for preparing a steel anchor beam according to claim 1, characterized in that, The step of splicing the wall panel assembly, the steel anchor beam, and the steel bracket includes: Prepare steel plates and steel bracket supports; Lay the steel plate on a flat surface; Position each component on the steel plate and mark the lines accordingly; The steel bracket is connected to the steel plate according to the markings; First pre-assembly; Check the fit of each component; Second pre-assembly; acceptance.

8. The method for preparing a steel anchor beam according to claim 7, characterized in that, The steps for detecting the bonding of each component include: Prepare for direct pipe; A straight pipe is passed through the cable sleeve and the circular hole on the steel anchor box for observation; The positions of the steel anchor box and the cable sleeve are adjusted based on the observation results.

9. The method for preparing a steel anchor beam according to claim 7, characterized in that, The steps for detecting the bonding of each component include: Observe the fit between the bottom plate of the steel anchor beam and the upper bearing plate of the steel bracket; Remove the steel anchor beam and the steel bracket; Mill the bottom plate of the steel anchor beam and the upper support plate of the steel bracket.

10. The method for preparing a steel anchor beam according to claim 1, characterized in that, The steps for preparing the steel bracket include: Prepare the steel bracket upper support plate, bracket plate, and reinforcing components; Position the bracket plate on the upper support plate of the steel bracket and mark the line. Assemble the bracket plate and some reinforcing components according to the markings; Welding and straightening; Assemble the remaining reinforcement components; Welding and straightening.

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