CN116356666A - Parallelogram chord member structure and manufacturing method thereof - Google Patents
Parallelogram chord member structure and manufacturing method thereof Download PDFInfo
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- CN116356666A CN116356666A CN202310228890.0A CN202310228890A CN116356666A CN 116356666 A CN116356666 A CN 116356666A CN 202310228890 A CN202310228890 A CN 202310228890A CN 116356666 A CN116356666 A CN 116356666A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Abstract
The invention relates to a parallelogram chord member structure, which is characterized in that: the device comprises an upper horizontal plate, a lower horizontal plate, a vertical plate, a node plate, a joint plate and an anchor box; s1: manufacturing a single element; s2.1: welding the web joint plates of the cross beam; s2.2: welding the flange joint plates of the inner vertical plate units and the cross beams; s2.3: welding the outer vertical plate units and the partition plates; s2.4: welding a lower horizontal plate unit; s2.5: welding the anchor pulling plate; when the parallelogram chord member structure is assembled, all parts are required to be assembled after being machined, and the box body structure of the chord member adopts a mode of assembling with the joint plates at the same time, so that the assembling effect of the joint plates is ensured, and the situation that the assembly cannot be realized due to the mode of firstly assembling and welding the box body and then assembling the joint plates is avoided; therefore, the assembly efficiency can be greatly improved, and the assembly accuracy is ensured.
Description
Technical Field
The invention relates to the technical field of bridge chord member processing and manufacturing, in particular to a parallelogram chord member structure and a manufacturing method thereof.
Background
The general chord structure box body structure is a square structure, and the parallelogram chord structure is generally applied to the inclined section on the bridge; the chord structure with the parallelogram cross section is generally provided with a beam connecting plate at the side and the conventional chord structure with the square cross section when being welded; in the chord member with the square cross section, the beam connecting plate can be assembled and welded on the side after the square chord member is assembled, but in the chord member with the parallelogram cross section, the box body structure cannot be formed firstly, and then the beam connecting plate is welded, because the beam connecting plate can interfere with the horizontal plate of the box body structure after being assembled and welded; thus, a new assembly manufacturing process is needed to accommodate a parallelogram-shaped cross-section chord assembly.
As disclosed in Chinese patent CN201610106421.1, a manufacturing method of a folded line-shaped double-node bolt welding chord member with an anchor box is disclosed; the folded line-shaped double-node bolt welding chord member with the anchor box is manufactured according to the sequence of manufacturing a single element, manufacturing a box body, assembling and welding a cross beam joint plate, drilling a bolt hole and assembling and welding the anchor box; the folding line-shaped double-node bolt welding chord member with the anchor box is applied to a Shanghon bridge, the Shanghon bridge adopts a folding line-shaped double-node chord member at the position where a stay cable is arranged, so that the requirement for pre-camber is met, a bolt welding type single-node chord member is deformed and arched by means of a Kong Hexian rod which is connected in a wrong way in the past, the Shanghon bridge adopts a double-node chord member, and a folding point is arranged at a node so that the requirement for camber is met more easily.
In the above patent, the chord member structure has a square cross section, and in the manufacturing process, the cross beam joint plate is welded after the box body structure is welded, and the welding mode is not suitable for the chord member structure with a parallelogram cross section.
Disclosure of Invention
The invention aims to solve the technical problem of providing a parallelogram chord member structure and a manufacturing method thereof, which can solve the problem that a box body structure is firstly welded and a beam connecting plate is welded in a general chord member structure welding mode with a square section, so that the structure is not suitable for the chord member structure with the parallelogram section.
In order to solve the technical problems, the technical scheme of the invention is as follows: a parallelogram chord structure is characterized in that: the device comprises an upper horizontal plate, a lower horizontal plate, a vertical plate, a node plate, a joint plate and an anchor box;
the upper horizontal plate and the lower horizontal plate are arranged in parallel, the vertical plates are provided with a pair, and the pair of vertical plates are arranged in parallel; the top end of the vertical plate is obliquely connected to the lower surface of the upper horizontal plate, and the bottom end of the vertical plate is obliquely connected to the upper surface of the lower horizontal plate; the upper horizontal plate, the lower horizontal plate and the vertical plate enclose a box structure with a parallelogram cross section, and a plurality of partition plates are arranged in the box structure along the extending direction;
the node plates are provided with a pair and are respectively and vertically arranged on the lower surface of the lower horizontal plate; the anchor boxes are provided with a pair of anchor boxes and are respectively arranged on the upper surfaces of the upper horizontal plates; the positions of the anchor boxes arranged on the upper horizontal plate correspond to the positions of the node plates arranged on the lower horizontal plate respectively;
the joint plates comprise a beam web joint plate and a beam flange joint plate; the transverse beam web joint plates are in a plurality and are sequentially connected to the vertical plates at equal intervals in the direction perpendicular to the upper horizontal plate; the beam flange joint plates are perpendicular to the beam web joint plates and are arranged at the bottom ends of the beam web joint plates; one end of the beam flange joint plate is connected to the vertical plate.
The manufacturing method of the parallelogram chord member structure is characterized by comprising the following innovation steps: the specific manufacturing method is as follows:
s1: manufacturing of the single element:
s1.1: manufacturing a riser unit: cutting two end plates, two node plates and one connecting plate in a numerical control manner, leveling and scribing the blanked plate, and milling a slope and a butt joint edge machine groove; sequentially carrying out material receiving, welding and trimming on one end plate, one node plate, a connecting plate, the other node plate and the other end plate to form a vertical plate unit;
s1.2: and (3) manufacturing an upper horizontal plate unit: after blanking the upper horizontal plate according to the size, leveling and scribing the part plates, and milling a slope, a butt joint edge and a cutting opening; then carrying out material receiving, welding and trimming on the part plates according to the process requirements to form an upper horizontal plate unit; a pair of parallel inner longitudinal ribs and outer longitudinal ribs are welded on the inner wall of the upper horizontal plate;
s1.3: manufacturing a lower horizontal plate unit: cutting the lower horizontal plate integrally and precisely according to the size, leveling, and milling two sides and a groove;
s1.4: manufacturing an anchor box unit: finely cutting the blanking bearing plate and the inner connecting plate; welding the inner connecting plate on the inner side of the bearing plate to form a bearing plate box; an anchor backing plate is welded at the end part of the bearing plate box;
s1.5: manufacturing a joint plate and an anchor plate: precisely cutting a blanking joint plate and an anchor plate according to the size requirement of the joint plate, and marking a welding area of an anchor box unit on the anchor plate;
s2: and (3) assembling a structure: the whole structure is assembled by adopting a tire type inversion mode;
s2.1: welding of the web joint plates of the cross beam: firstly, reversely placing an upper horizontal plate unit subjected to assembly welding on a jig frame, scribing the mounting position of a beam web joint plate at the upper scribing position of the upper horizontal plate unit, sequentially welding the beam web joint plate on the upper horizontal plate unit according to the scribing position, and embedding the beam web joint plate on an outward longitudinal rib;
s2.2: welding of the inner side riser units and the beam flange joint plates: after the assembly welding of the beam web joint plate on the upper horizontal plate unit is finished, the surface of the inner vertical plate unit is clung to the side edge of the beam web joint plate, the side edge is clung to the back surface of the upper horizontal plate unit and is obliquely arranged for assembly welding, and the side edge of the inner vertical plate unit is positioned between the inner longitudinal rib and the outer longitudinal rib; then, the beam flange joint plates are welded with the beam web joint plates corresponding to the beam web joint plates;
s2.3: welding the outer vertical plate units and the partition plates: laying the processed partition plate along the extending direction of the upper horizontal plate unit, wherein one side edge of the partition plate is clung to the inner wall of the inner side vertical plate unit, the other side edge of the partition plate is provided with an outer side vertical plate unit and is welded, and the side edge of the outer side vertical plate unit is welded on the back surface of the upper horizontal plate unit, so that the outer side vertical plate unit, the upper horizontal plate unit and the inner side vertical plate unit form a groove structure;
s2.4: and (3) welding a lower horizontal plate unit: the upper surface of the groove structure formed after finishing S2.3 assembly welding is assembled and welded with the lower horizontal plate unit which is finished to form a box body structure;
s2.5: and (3) assembling and welding the anchor plate and the anchor box: after the assembly welding of the lower horizontal plate unit is completed, turning over the whole box body structure, and scribing a box body structure system line, wherein the anchor pull plate system line is intersected with the upper horizontal plate; and when the anchor pulling plate is assembled and welded, the direction and the position of the anchor pulling plate on the upper horizontal plate unit are controlled, the bolt hole of the box body structure is drilled after the anchor pulling plate is assembled and welded, the transverse base line is used as a standard line for scribing and drilling, and finally the anchor box is assembled and welded on the anchor pulling plate to finish manufacturing.
Furthermore, in the manufacturing of the S1.1 vertical plate unit, when the numerical control cutting blanking of the node plates is carried out, the width of the node plates is large, the steel plates are firstly subjected to material receiving and flaw detection, then the whole blanking is carried out to ensure the appearance of the node plates, and the material receiving position avoids the welding seam position of the rod pieces.
Further, in the manufacturing of the S1.2 upper horizontal plate unit, the two ends of the inner longitudinal rib and the two ends of the outer longitudinal rib welded on the upper horizontal plate are respectively provided with a block, the blocks of the outer longitudinal rib are welded after the chord member is bridged, and a plurality of connecting bolt holes are formed in the blocks.
The invention has the advantages that:
1) When the parallelogram chord member structure is assembled, all parts are required to be assembled after being machined, and the box body structure of the chord member adopts a mode of assembling with the joint plates at the same time, so that the assembling effect of the joint plates is ensured, and the situation that the assembly cannot be realized due to the mode of firstly assembling and welding the box body and then assembling the joint plates is avoided; therefore, the assembly efficiency can be greatly improved, and the assembly accuracy is ensured.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a parallelogram chord structure of the present invention.
Fig. 2 is a flow chart of an assembly process of a parallelogram chord structure according to the present invention.
Fig. 3 to 6 are assembled views of a parallelogram chord structure according to the present invention.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
A parallelogram chord structure as shown in fig. 1 to 6 comprises an upper horizontal plate 1, a lower horizontal plate 2, a riser 3, a gusset plate 4, a joint plate 5 and an anchor box 6.
The upper horizontal plate 1 and the lower horizontal plate 2 are arranged in parallel, the vertical plates 3 are provided with a pair, and the pair of vertical plates 3 are arranged in parallel; the top end of the vertical plate 3 is obliquely connected to the lower surface of the upper horizontal plate, and the bottom end of the vertical plate 3 is obliquely connected to the upper surface of the lower horizontal plate; the upper horizontal plate 1, the lower horizontal plate 2 and the vertical plate 3 enclose a box structure with a parallelogram cross section, and a plurality of partition plates are arranged in the box structure along the extending direction.
The node plates 4 have a pair and are vertically disposed on the lower surfaces of the lower horizontal plates 2, respectively; the anchor boxes 6 have a pair and are respectively arranged on the upper surfaces of the upper horizontal plates; the positions of the anchor boxes 6 arranged on the upper horizontal plate correspond to the positions of the node plates arranged on the lower horizontal plate 2 respectively.
The joint plates 5 include a beam web joint plate 51 and a beam flange joint plate 52; the transverse beam web joint plates 51 are in a plurality, and are sequentially connected to the vertical plates 2 at equal intervals in the direction perpendicular to the upper horizontal plate; the beam flange joint plates 52 are arranged at the bottom ends of the beam web joint plates 51 and are perpendicular to the beam web joint plates 51; one end of the transom flange adapter plate 52 is attached to the riser 3.
A manufacturing method of a parallelogram chord member structure comprises the following specific manufacturing methods:
s1: manufacturing of the single element:
s1.1: manufacturing a riser unit: cutting two end plates, two node plates and one connecting plate in a numerical control manner, leveling and scribing the blanked plate, and milling a slope and a butt joint edge machine groove; sequentially carrying out material receiving, welding and trimming on one end plate, one node plate, a connecting plate, the other node plate and the other end plate to form a vertical plate unit;
s1.2: and (3) manufacturing an upper horizontal plate unit: after blanking the upper horizontal plate according to the size, leveling and scribing the part plates, and milling a slope, a butt joint edge and a cutting opening; then carrying out material receiving, welding and trimming on the part plates according to the process requirements to form an upper horizontal plate unit; a pair of parallel inner longitudinal ribs and outer longitudinal ribs are welded on the inner wall of the upper horizontal plate;
s1.3: manufacturing a lower horizontal plate unit: cutting the lower horizontal plate integrally and precisely according to the size, leveling, and milling two sides and a groove;
s1.4: manufacturing an anchor box unit: finely cutting the blanking bearing plate and the inner connecting plate; welding the inner connecting plate on the inner side of the bearing plate to form a bearing plate box; an anchor backing plate is welded at the end part of the bearing plate box;
s1.5: manufacturing a joint plate and an anchor plate: precisely cutting a blanking joint plate and an anchor plate according to the size requirement of the joint plate, and marking a welding area of an anchor box unit on the anchor plate;
s2: and (3) assembling a structure: the whole structure is assembled by adopting a tire type inversion mode;
s2.1: welding of the web joint plates of the cross beam: firstly, reversely placing an upper horizontal plate unit subjected to assembly welding on a jig frame, scribing the mounting position of a beam web joint plate at the upper scribing position of the upper horizontal plate unit, sequentially welding the beam web joint plate on the upper horizontal plate unit according to the scribing position, and embedding the beam web joint plate on an outward longitudinal rib;
s2.2: welding of the inner side riser units and the beam flange joint plates: after the assembly welding of the beam web joint plate on the upper horizontal plate unit is finished, the surface of the inner vertical plate unit is clung to the side edge of the beam web joint plate, the side edge is clung to the back surface of the upper horizontal plate unit and is obliquely arranged for assembly welding, and the side edge of the inner vertical plate unit is positioned between the inner longitudinal rib and the outer longitudinal rib; then, the beam flange joint plates are welded with the beam web joint plates corresponding to the beam web joint plates;
s2.3: welding the outer vertical plate units and the partition plates: laying the processed partition plate along the extending direction of the upper horizontal plate unit, wherein one side edge of the partition plate is clung to the inner wall of the inner side vertical plate unit, the other side edge of the partition plate is provided with an outer side vertical plate unit and is welded, and the side edge of the outer side vertical plate unit is welded on the back surface of the upper horizontal plate unit, so that the outer side vertical plate unit, the upper horizontal plate unit and the inner side vertical plate unit form a groove structure;
s2.4: and (3) welding a lower horizontal plate unit: the upper surface of the groove structure formed after finishing S2.3 assembly welding is assembled and welded with the lower horizontal plate unit which is finished to form a box body structure;
s2.5: and (3) assembling and welding the anchor plate and the anchor box: after the assembly welding of the lower horizontal plate unit is completed, turning over the whole box body structure, and scribing a box body structure system line, wherein the anchor pull plate system line is intersected with the upper horizontal plate; and when the anchor pulling plate is assembled and welded, the direction and the position of the anchor pulling plate on the upper horizontal plate unit are controlled, the bolt hole of the box body structure is drilled after the anchor pulling plate is assembled and welded, the transverse base line is used as a standard line for scribing and drilling, and finally the anchor box is assembled and welded on the anchor pulling plate to finish manufacturing.
S1.1, in the manufacture of the vertical plate unit, when the numerical control cutting blanking of the node plates is carried out, the width of the node plates is large, the steel plates are firstly subjected to material receiving and flaw detection, then the whole blanking is carried out, the appearance of the node plates is ensured, and the material receiving position avoids the welding seam position of the rod piece.
S1.2, in the manufacture of the upper horizontal plate unit, the two ends of the inner longitudinal rib and the two ends of the outer longitudinal rib which are welded on the upper horizontal plate are respectively provided with a block, and the blocks of the outer longitudinal rib are welded after the chord member is bridged, and a plurality of connecting bolt holes are formed in the blocks.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A parallelogram chord structure, characterized in that: the device comprises an upper horizontal plate, a lower horizontal plate, a vertical plate, a node plate, a joint plate and an anchor box;
the upper horizontal plate and the lower horizontal plate are arranged in parallel, the vertical plates are provided with a pair, and the pair of vertical plates are arranged in parallel; the top end of the vertical plate is obliquely connected to the lower surface of the upper horizontal plate, and the bottom end of the vertical plate is obliquely connected to the upper surface of the lower horizontal plate; the upper horizontal plate, the lower horizontal plate and the vertical plate enclose a box structure with a parallelogram cross section, and a plurality of partition plates are arranged in the box structure along the extending direction;
the node plates are provided with a pair and are respectively and vertically arranged on the lower surface of the lower horizontal plate; the anchor boxes are provided with a pair of anchor boxes and are respectively arranged on the upper surfaces of the upper horizontal plates; the positions of the anchor boxes arranged on the upper horizontal plate correspond to the positions of the node plates arranged on the lower horizontal plate respectively;
the joint plates comprise a beam web joint plate and a beam flange joint plate; the transverse beam web joint plates are in a plurality and are sequentially connected to the vertical plates at equal intervals in the direction perpendicular to the upper horizontal plate; the beam flange joint plates are perpendicular to the beam web joint plates and are arranged at the bottom ends of the beam web joint plates; one end of the beam flange joint plate is connected to the vertical plate.
2. A method of manufacturing a parallelogram chord structure, characterized by: the specific manufacturing method is as follows:
s1: manufacturing of the single element:
s1.1: manufacturing a riser unit: cutting two end plates, two node plates and one connecting plate in a numerical control manner, leveling and scribing the blanked plate, and milling a slope and a butt joint edge machine groove; sequentially carrying out material receiving, welding and trimming on one end plate, one node plate, a connecting plate, the other node plate and the other end plate to form a vertical plate unit;
s1.2: and (3) manufacturing an upper horizontal plate unit: after blanking the upper horizontal plate according to the size, leveling and scribing the part plates, and milling a slope, a butt joint edge and a cutting opening; then carrying out material receiving, welding and trimming on the part plates according to the process requirements to form an upper horizontal plate unit; a pair of parallel inner longitudinal ribs and outer longitudinal ribs are welded on the inner wall of the upper horizontal plate;
s1.3: manufacturing a lower horizontal plate unit: cutting the lower horizontal plate integrally and precisely according to the size, leveling, and milling two sides and a groove;
s1.4: manufacturing an anchor box unit: finely cutting the blanking bearing plate and the inner connecting plate; welding the inner connecting plate on the inner side of the bearing plate to form a bearing plate box; an anchor backing plate is welded at the end part of the bearing plate box;
s1.5: manufacturing a joint plate and an anchor plate: precisely cutting a blanking joint plate and an anchor plate according to the size requirement of the joint plate, and marking a welding area of an anchor box unit on the anchor plate;
s2: and (3) assembling a structure: the whole structure is assembled by adopting a tire type inversion mode;
s2.1: welding of the web joint plates of the cross beam: firstly, reversely placing an upper horizontal plate unit subjected to assembly welding on a jig frame, scribing the mounting position of a beam web joint plate at the upper scribing position of the upper horizontal plate unit, sequentially welding the beam web joint plate on the upper horizontal plate unit according to the scribing position, and embedding the beam web joint plate on an outward longitudinal rib;
s2.2: welding of the inner side riser units and the beam flange joint plates: after the assembly welding of the beam web joint plate on the upper horizontal plate unit is finished, the surface of the inner vertical plate unit is clung to the side edge of the beam web joint plate, the side edge is clung to the back surface of the upper horizontal plate unit and is obliquely arranged for assembly welding, and the side edge of the inner vertical plate unit is positioned between the inner longitudinal rib and the outer longitudinal rib; then, the beam flange joint plates are welded with the beam web joint plates corresponding to the beam web joint plates;
s2.3: welding the outer vertical plate units and the partition plates: laying the processed partition plate along the extending direction of the upper horizontal plate unit, wherein one side edge of the partition plate is clung to the inner wall of the inner side vertical plate unit, the other side edge of the partition plate is provided with an outer side vertical plate unit and is welded, and the side edge of the outer side vertical plate unit is welded on the back surface of the upper horizontal plate unit, so that the outer side vertical plate unit, the upper horizontal plate unit and the inner side vertical plate unit form a groove structure;
s2.4: and (3) welding a lower horizontal plate unit: the upper surface of the groove structure formed after finishing S2.3 assembly welding is assembled and welded with the lower horizontal plate unit which is finished to form a box body structure;
s2.5: and (3) assembling and welding the anchor plate and the anchor box: after the assembly welding of the lower horizontal plate unit is completed, turning over the whole box body structure, and scribing a box body structure system line, wherein the anchor pull plate system line is intersected with the upper horizontal plate; and when the anchor pulling plate is assembled and welded, the direction and the position of the anchor pulling plate on the upper horizontal plate unit are controlled, the bolt hole of the box body structure is drilled after the anchor pulling plate is assembled and welded, the transverse base line is used as a standard line for scribing and drilling, and finally the anchor box is assembled and welded on the anchor pulling plate to finish manufacturing.
3. A method of manufacturing a parallelogram chord structure according to claim 2, wherein: in the S1.1 manufacturing of the vertical plate unit, when the numerical control cutting blanking of the node plates is carried out, the width of the node plates is large, the steel plates are firstly subjected to material receiving and flaw detection, then the whole blanking is carried out, the appearance of the node plates is ensured, and the material receiving position avoids the welding seam position of the rod piece.
4. A method of manufacturing a parallelogram chord structure according to claim 2, wherein: in the S1.2 upper horizontal plate unit manufacturing, the two ends of the inner longitudinal rib and the two ends of the outer longitudinal rib welded on the upper horizontal plate are respectively provided with a block, the blocks of the outer longitudinal rib are welded after the chord member is bridged, and a plurality of connecting bolt holes are formed in the blocks.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022110303804 | 2022-08-26 | ||
| CN202211030380 | 2022-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116356666A true CN116356666A (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310228890.0A Pending CN116356666A (en) | 2022-08-26 | 2023-03-10 | Parallelogram chord member structure and manufacturing method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN116356666A (en) |
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2023
- 2023-03-10 CN CN202310228890.0A patent/CN116356666A/en active Pending
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