A processing and assembly method for the curved surface bucket in a large steel coal bucket

Abstract

The present invention provides a processing and assembling method for a curved surface bucket in a large steel coal hopper. The hopper is manufactured by using three-dimensional software, and the side wall of the hopper is divided and laid out. Then a processing platform, auxiliary layout lines and fixed brackets are set to facilitate the actual assembly of the hopper, which is particularly suitable for special-shaped hoppers. By using software to layout and split the special-shaped hopper and setting auxiliary assembly measures, the difficulty of coal hopper processing is reduced, the requirements for the experience and technology of on-site operators are reduced, the construction period is shortened, and the construction quality is improved, thereby finally realizing the implementation concept of highly digital processing.

Description

Technical Field

[0001] The invention relates to a processing and assembling technology for a large cambered bucket, and in particular to a processing and assembling method for a cambered bucket in a large steel coal bucket. Background Art

[0002] The large steel coal buckets currently on the market include conical buckets and cone buckets that are arranged from top to bottom. Both conical buckets and cone buckets are arc-shaped buckets, and their processing methods are completely dependent on the manufacturing and processing experience of personnel. For components that are difficult to form manually, extensive construction methods such as fusing and post-pressing are adopted. This will cause problems such as misalignment and serious deformation of some components, and excessive welds, which will in turn cause low project quality, long construction period, high rework rate, serious material waste, and very demanding technical requirements for on-site workers. Summary of the invention

[0003] In view of the problems in the prior art, the present invention provides a method for processing and assembling a curved bucket in a large steel coal bucket, aiming to reduce the difficulty of coal bucket processing, reduce the requirements for the experience and technology of on-site operators, shorten the construction period and improve the construction quality.

[0004] A method for processing and assembling a cambered bucket in a large steel coal bucket comprises the following steps:

[0005] Step 1: Make a funnel in 3D software, which consists of several material plates;

[0006] Step 2: Make a fixed bracket and a limit block in the 3D software, and make the funnel, the fixed bracket and the limit block in the same plane; arrange the fixed bracket and the limit block on both sides of the side wall of the funnel respectively, and make the fixed bracket fit with the middle arc surface of the material plate, and the limit block fit with the middle of the bottom edge of the material plate;

[0007] Step 3: Create the first lofting line, the second lofting line, and the third lofting line respectively coinciding with the bottom edges of the funnel, the fixed bracket, and the limit block in the 3D software;

[0008] Step 4: Process and obtain the material plate, fixed bracket and limit block according to the specifications in the 3D software;

[0009] Step 5: Use steel plates to lay the processing plane;

[0010] Step 6: Mark the first lofting line, the second lofting line and the third lofting line on the processing plane according to the positions in the 3D software;

[0011] Step 7: Place and fix the fixed bracket and the limit block on the corresponding second and third lofting lines respectively;

[0012] Step 8: Place the sheet coinciding with the first lofting line at the corresponding position on the first lofting line, and make the fixed bracket support and fit the middle arc surface of the sheet. At this time, the limit block stops at the middle of the bottom edge of the sheet;

[0013] Step 9: Before the funnel is formed, the material plates are spot welded to fix them; after the funnel is formed, the material plates are fully welded to complete the processing and assembly of the funnel.

[0014] Further, the funnel is a square-and-round funnel, the first lofting line is a circle, the fixed bracket includes a vertical frame bracket, the bottom edge of the frame bracket is a straight edge, the straight edge coincides with the second lofting line, the second lofting line coincides with the radial direction of the first lofting line and is located outside the first lofting line; one side of the frame bracket used for supporting the material plate is arranged as an inclined strip panel, the height of the strip panel is greater than the height of the funnel, support plates are evenly distributed on the strip panel from top to bottom, the plate surface of the support plate is arranged horizontally, the support plate and the strip panel are arranged vertically and supported on the outer wall of the corresponding material plate, the free end surface of the support plate matches the outer wall surface of the corresponding material plate, and the same material plate corresponds to at least two support plates; the material plate includes an arc panel and a flat panel, and a plurality of arc panels are arranged A fan-shaped side wall is formed, and a plurality of plane panels form an isosceles triangle side wall. The Tianfangdiyuan funnel is formed by alternating four fan-shaped side walls and four isosceles triangle side walls. The arc edges of the four fan-shaped side walls form the round mouth side edge of the Tianfangdiyuan funnel, and the bottom edges of the four isosceles triangle side walls form the square mouth side edge of the Tianfangdiyuan funnel. When assembling the Tianfangdiyuan funnel, first assemble the arc panels in the fan-shaped side walls that coincide with the first lofting line, and then assemble the arc panels in the fan-shaped side walls that are located above the assembled arc panels to form four fan-shaped side walls; finally, assemble the plane panels in the isosceles triangle side walls in sequence from bottom to top to form the Tianfangdiyuan funnel; wherein, the free end face of the support plate corresponding to the arc panel is an arc surface, and the free end face of the support plate corresponding to the plane panel is a plane.

[0015] Furthermore, the same material plate corresponds to at least two limit blocks, and at least one limit block is provided at both end portions of the material plate.

[0016] Further: the frame bracket includes a strip bottom plate, a vertical column is fixedly connected in the middle of the strip bottom plate, a first oblique plate and a second oblique plate are fixedly connected on both sides of the column, the upper end of the first oblique plate is fixedly connected to the top of the column, the lower end of the first oblique plate is fixedly connected to the end of the strip bottom plate, and the outer side surface of the first oblique plate is the strip panel; the upper end of the second oblique plate is fixedly connected to the middle or upper part of the column, and the lower end of the second oblique plate is fixedly connected to the other end of the strip bottom plate.

[0017] Further: a first support plate and a second support plate are fixedly connected on both sides of the frame bracket, the upper ends of the first support plate and the second support plate are fixedly connected to the middle of the column, and the lower ends of the first support plate and the second support plate are respectively located on both sides of the strip bottom plate and fixedly connected to the processing plane.

[0018] Further: The 3D software is Revit, Tekla or Lumion.

[0019] The beneficial effects of the present invention are as follows: a funnel is manufactured by using three-dimensional software, and the side walls of the funnel are divided and laid out, and then a processing platform, auxiliary layout lines, and fixed brackets are set up to facilitate the actual assembly of the funnel, which is particularly suitable for special-shaped funnels; by using software to layout and split the special-shaped funnel and setting auxiliary assembly measures, the difficulty of coal hopper processing is reduced, the requirements for the experience and technology of on-site operators are reduced, the construction period is shortened, the construction quality is improved, and ultimately the implementation concept of highly digital processing is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a flow chart of the present invention;

[0021] Figure 2 It is a structural diagram of the funnel;

[0022] Figure 3 This is a diagram showing the supporting effect of the fixed bracket on the fan-shaped side wall in the present invention;

[0023] Figure 4 This is a diagram showing the supporting and limiting effects of the fixed bracket and the limiting block on the fan-shaped side wall in the present invention. DETAILED DESCRIPTION

[0024] The present invention is described in detail below in conjunction with the accompanying drawings. The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention. The directional terms such as left, middle, right, top, and bottom in the embodiments of the present invention are only relative concepts or are based on the normal use state of the product, and should not be considered as restrictive.

[0025] A processing and assembly method for a large steel coal hopper with curved surface, such as Figure 1 As shown, the following steps are included:

[0026] Step 1: Make a funnel in 3D software, which consists of several material plates; the 3D software is Revit, Tekla or Lumion;

[0027] Step 2: Make a fixed bracket and a limit block in the 3D software, and make the funnel, the fixed bracket and the limit block in the same plane; arrange the fixed bracket and the limit block on both sides of the side wall of the funnel respectively, and make the fixed bracket fit with the middle arc surface of the material plate, and the limit block fit with the middle of the bottom edge of the material plate;

[0028] Step 3: Create the first lofting line, the second lofting line, and the third lofting line respectively coinciding with the bottom edges of the funnel, the fixed bracket, and the limit block in the 3D software;

[0029] Step 4: Process and obtain the material plate, fixed bracket and limit block according to the specifications in the 3D software;

[0030] Step 5: Use steel plates to lay the processing plane;

[0031] Step 6: Mark the first lofting line, the second lofting line and the third lofting line on the processing plane according to the positions in the 3D software;

[0032] Step 7: Place and fix the fixed bracket and the limit block on the corresponding second and third lofting lines respectively;

[0033] Step 8: Place the sheet coinciding with the first lofting line at the corresponding position on the first lofting line, and make the fixed bracket support and fit the middle arc surface of the sheet. At this time, the limit block stops at the middle of the bottom edge of the sheet;

[0034] Step 9: Before the funnel is formed, the material plates are spot welded to fix them; after the funnel is formed, the material plates are fully welded to complete the processing and assembly of the funnel.

[0035] Among them, when the funnel is a square-top and round-bottom structure, workers generally assemble it in reverse, that is, make the square end contact with the bottom surface, and first position and fix the flat plate constituting the side of the square mouth, and then assemble the curved panel constituting the side of the round mouth on the fixed flat plate. Because the curved panel constituting the side of the round mouth is a curved panel, when assembling it on the assembled flat plate, it is necessary to adjust the docking angle many times according to experience, which has high technical requirements for workers. In order to reduce the height of the assembly technical requirements; combined with Figure 2 , Figure 3 and Figure 4As shown, the funnel is a square-shaped funnel, the first lofting line 2 is circular, the fixed bracket includes a vertical frame bracket, the bottom edge of the frame bracket is a straight edge, the straight edge coincides with the second lofting line (not shown in the figure), the second lofting line coincides with the radial direction of the first lofting line 2 and is located outside the first lofting line 2; one side of the frame bracket for supporting the material plate 1 is provided with an inclined strip panel 30, the height of the strip panel 30 is greater than the height of the funnel, and support plates 34 are evenly distributed from top to bottom on the strip panel 30, the support plates The plate surface of 34 is arranged horizontally, the support plate 34 and the strip panel 30 are arranged vertically and supported on the outer wall of the corresponding material plate 1, the free end surface of the support plate 34 matches the outer wall surface of the corresponding material plate 1, the same material plate 1 corresponds to at least two support plates 34, the same material plate 1 corresponds to at least two limit blocks 4, and at least one limit block 4 is arranged at both ends of the material plate 1; the material plate 1 includes a curved panel 11 and a flat panel 12, a plurality of curved panels 11 form a fan-shaped side wall, and a plurality of flat panels 12 form an isosceles side wall. The triangular side wall, the Tianfangdiyuan funnel is formed by alternating four fan-shaped side walls and four isosceles triangle side walls. The arc edges of the four fan-shaped side walls form the round mouth side edges of the Tianfangdiyuan funnel, and the bottom edges of the four isosceles triangle side walls form the square mouth side edges of the Tianfangdiyuan funnel. When assembling the Tianfangdiyuan funnel, first assemble the arc panel 11 in the fan-shaped side wall that coincides with the first lofting line 2, and then assemble the arc panel 11 in the fan-shaped side wall that is located above the assembled arc panel 11, and form four fan-shaped side walls; finally, assemble the isosceles triangle side walls in sequence from bottom to top. The plane panels 12 in the side walls are assembled into a square funnel; wherein the free end surface of the support plate 34 corresponding to the arc panel 11 is an arc surface, and the free end surface of the support plate 34 corresponding to the plane panel 12 is a plane. The support plates 34 of different lengths are set to adapt to the distance between the arc panel 11 and the strip panel 30, thereby simplifying the support structure of the fixed bracket; and, the support plate 34 has a supporting and limiting function, thereby ensuring the assembly accuracy when multiple arc panels 11 are assembled together, and reducing the technical requirements of the assembling workers.

[0036] The frame support includes a strip bottom plate 31, a vertical column 32 is fixedly connected to the middle of the strip bottom plate 31, and a first oblique plate 35 and a second oblique plate 37 are fixedly connected to both sides of the column 32. The upper end of the first oblique plate 35 is fixedly connected to the top of the column 32, and the lower end of the first oblique plate 35 is fixedly connected to the end of the strip bottom plate 31. The outer side surface of the first oblique plate 35 is the strip panel 30; the upper end of the second oblique plate 37 is fixedly connected to the middle or upper part of the column 32, and the lower end of the second oblique plate 37 is fixedly connected to the outer side surface of the strip bottom plate 31. The other end of the strip bottom plate 31 is fixedly connected; in order to improve the stability of the frame bracket on the processing plane, the first support plate 33 and the second support plate 36 are fixedly connected on both sides of the frame bracket, and the upper ends of the first support plate 33 and the second support plate 36 are fixedly connected to the middle of the column 32, and the lower ends of the first support plate 33 and the second support plate 36 are respectively located on both sides of the strip bottom plate 31 and fixedly connected to the processing plane. The strip bottom plate 31, the first support plate 33 and the second support plate 36 are all spot welded on the processing plane.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A method for processing and assembling a cambered bucket in a large steel coal bucket, characterized in that: The following steps are involved: Step 1: Make a funnel in 3D software, which consists of several material plates; Step 2: Make a fixed bracket and a limit block in the 3D software, and make the funnel, the fixed bracket and the limit block in the same plane; arrange the fixed bracket and the limit block on both sides of the side wall of the funnel respectively, and make the fixed bracket fit with the middle arc surface of the material plate, and the limit block fit with the middle of the bottom edge of the material plate; Step 3: Create the first lofting line, the second lofting line, and the third lofting line respectively coinciding with the bottom edges of the funnel, the fixed bracket, and the limit block in the 3D software; Step 4: Process and obtain the material plate, fixed bracket and limit block according to the specifications in the 3D software; Step 5: Use steel plates to lay the processing plane; Step 6: Mark the first lofting line, the second lofting line and the third lofting line on the processing plane according to the positions in the 3D software; Step 7: Place and fix the fixed bracket and the limit block on the corresponding second and third lofting lines respectively; Step 8: Place the sheet coinciding with the first lofting line at the corresponding position on the first lofting line, and make the fixed bracket support and fit the middle arc surface of the sheet. At this time, the limit block stops at the middle of the bottom edge of the sheet; Step 9: Before the funnel is formed, the material plates are spot welded and fixed; after the funnel is formed, the material plates are fully welded to complete the processing and assembly of the funnel; Among them, the funnel is a square and round funnel, the first lofting line is a circle, the fixed bracket includes a vertical frame bracket, the bottom edge of the frame bracket is a straight edge, the straight edge coincides with the second lofting line, the second lofting line coincides with the radial direction of the first lofting line and is located outside the first lofting line; one side of the frame bracket used to support the material plate is set as an inclined strip panel, the height of the strip panel is greater than the height of the funnel, support plates are evenly distributed on the strip panel from top to bottom, the plate surface of the support plate is horizontally arranged, the support plate and the strip panel are vertically arranged and supported on the outer wall of the corresponding material plate, the free end surface of the support plate matches the outer wall surface of the corresponding material plate, and the same material plate corresponds to at least two support plates; the material plate includes an arc panel and a flat panel, and a plurality of arc panels are composed A fan-shaped side wall and a plurality of plane panels form an isosceles triangle side wall. The Tianfangdiyuan funnel is formed by alternating four fan-shaped side walls and four isosceles triangle side walls. The arc edges of the four fan-shaped side walls form the round mouth side edge of the Tianfangdiyuan funnel, and the bottom edges of the four isosceles triangle side walls form the square mouth side edge of the Tianfangdiyuan funnel. When assembling the Tianfangdiyuan funnel, first assemble the arc panels in the fan-shaped side walls that coincide with the first lofting line, and then assemble the arc panels in the fan-shaped side walls that are located above the assembled arc panels to form four fan-shaped side walls; finally, assemble the plane panels in the isosceles triangle side walls in sequence from bottom to top to form the Tianfangdiyuan funnel; wherein, the free end face of the support plate corresponding to the arc panel is an arc face, and the free end face of the support plate corresponding to the plane panel is a plane.

2. The method for processing and assembling the large steel coal hopper cambered bucket according to claim 1 is characterized in that: The same material plate corresponds to at least two limit blocks, and at least one limit block is arranged at both end portions of the material plate.

3. The method for processing and assembling the large steel coal hopper cambered bucket according to claim 1 is characterized by: The frame bracket includes a strip bottom plate, a vertical column is fixedly connected in the middle of the strip bottom plate, a first oblique plate and a second oblique plate are fixedly connected on both sides of the column, the upper end of the first oblique plate is fixedly connected to the top of the column, the lower end of the first oblique plate is fixedly connected to the end of the strip bottom plate, and the outer side surface of the first oblique plate is the strip panel; the upper end of the second oblique plate is fixedly connected to the middle or upper part of the column, and the lower end of the second oblique plate is fixedly connected to the other end of the strip bottom plate.

4. The method for processing and assembling the large steel coal hopper cambered bucket according to claim 3 is characterized by: The first support plate and the second support plate are fixedly connected on both sides of the frame bracket, the upper ends of the first support plate and the second support plate are fixedly connected to the middle of the column, and the lower ends of the first support plate and the second support plate are respectively located on both sides of the strip bottom plate and fixedly connected to the processing plane.

5. The method for processing and assembling the large steel coal hopper cambered bucket according to claim 1 is characterized in that: The 3D software are Revit, Tekla, and Lumion.

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