Flanged sleeve internal part assembling frame and flanged sleeve internal part product manufacturing method

Abstract

The invention provides a flanging sleeve internal part assembling frame and a flanging sleeve internal part product manufacturing method.The flanging sleeve internal part assembling frame comprises an upper supporting frame, a lower supporting frame, an inclined strut support, equal-height strips, an outer clamping ring and a clamping plate, and the upper supporting frame and the lower supporting frame are arranged on the upper side and the lower side of a flanging sleeve internal part product correspondingly; the device has the beneficial effects that the butt welding quality of scattered pipes at the upper end of a cylinder and multiple rows of pipe holes in an annular collecting box is effectively improved, and the flatness of an annular plane formed by the scattered pipes at the lower end of a flanging sleeve and the precision of butt joint with other cylinders after the bottom is bent are guaranteed; the geometric dimension and the product rigidity of the flanging sleeve are remarkably improved, subsequent welding deformation is prevented, and the manufacturing period of a product is remarkably shortened while the product quality is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of processing a flanging sleeve inner part product, in particular to a flanging sleeve inner part assembly rack and a flanging sleeve inner part product manufacturing method. Background Art

[0002] At present, the design structure of chemical products is becoming increasingly complex. If there is no dedicated parts assembly rack and assembly process method, the product cannot achieve efficient assembly and welding, resulting in a long manufacturing cycle and high manufacturing cost of the flanging sleeve, which is not conducive to workshop production and manufacturing. Summary of the invention

[0003] In order to overcome the above problems existing in the prior art, the present invention provides a flanging sleeve inner component assembly rack and a flanging sleeve inner component product manufacturing method.

[0004] The present invention discloses a flanged sleeve internal component assembly rack, which is used for assembling annular headers, loose pipes, inner layer pipes and outer layer pipes in products, and comprises an upper support frame, a lower support frame, an oblique support frame, a contour bar, an outer clamping ring and a clamping plate. The upper support frame and the lower support frame are respectively arranged on the upper and lower sides of the flanged sleeve internal component product. The oblique support frame is arranged on four center lines, and the upper end supports and fixes the product annular header, and the lower end is installed on the lower support frame. A clamping plate is installed at the bottom of the outer end of the outer clamping ring for clamping and fixing the inner layer pipe. The contour bar is formed by superimposing and welding square tubes, and is used to eliminate the gap between the loose pipes at the lower end of the cylinder in the positioning flanged sleeve internal component product and the lower support frame.

[0005] On this basis, the upper support frame includes a top cross square tube, a vertical square tube, a top lower cross square tube and an inner clamping ring. The top lower cross square tube is connected to the top upper cross square tube by a vertical square tube. The top upper cross square tube is set to a cross shape, welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed diamond shape. The top lower cross square tube is set to a cross shape, welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed diamond shape. The size of the top lower cross square tube is smaller than the top upper cross square tube. The four center lines between the top lower cross square tube and the top upper cross square tube are aligned, the top lower cross square tube is welded to the inner clamp ring, the center of the top lower cross square tube and the inner clamp ring are at the same center, and the four center lines in the top lower cross square tube are aligned with the 0°, 90°, 180°, and 270° angle position lines in the inner clamp ring, the inner clamp ring is set to a circular ring shape, the outer diameter of the inner clamp ring is set to Φ2, and the value range of Φ2 is set to: 4000-5000mm, and the outer circle of the inner clamp ring is provided with semicircular arcs in the circumferential direction, which is the same as the number of the inner layer pipes of the product. .

[0006] On this basis, the lower support frame includes a central square tube, a central positioning ring, a cross plate, a bottom positioning ring, a bottom upper cross square tube, a vertical square tube and a bottom lower cross square tube. The central square tube is connected to the central positioning ring. The number of central square tubes is set to four. The central positioning ring is set to a circular ring shape, which is respectively arranged at the upper, middle and lower positions of the central square tube. Rectangular grooves are provided at the four midline positions of the inner ring of the central positioning ring. The rectangular grooves of the inner ring of the central positioning ring are installed in coordination with the central square tube. The central square tube and the central positioning ring A gap L is provided between the inner circle rectangular slots, and the value range of L is set to: 30-100 mm. The outer ring of the center positioning ring is set to a comb tooth shape, and the outer ring of the center positioning ring is provided with four cutting grooves, and the cutting grooves are set to be evenly distributed in the span relative to the four center lines. The bottom positioning ring is set to a circular ring shape, and the outer ring of the bottom positioning ring is set to a comb tooth shape. The bottom positioning ring is aligned with the 0°, 90°, 180°, and 270° angle position lines in the center positioning ring. The center square tube is fixedly connected to the bottom positioning ring, and the bottom positioning ring is The angle position line in the center positioning ring is at the same center as the center square tube, and the four center lines are aligned. The bottom positioning ring is fixedly connected to the cross square tube on the bottom. The center of the cross square tube on the bottom is at the same center as the bottom positioning ring, and the four center lines in the cross square tube on the bottom are aligned with the 0°, 90°, 180°, and 270° angle position lines in the bottom positioning ring. The cross square tube on the bottom is set to a cross shape, which is welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed diamond shape. The cross plate is set to a "cross" structure shape, and the cross plate is installed on the bottom positioning ring. The cross plate is set to be evenly distributed in the span relative to the four center lines. The upper cross square tube on the bottom is connected to the lower cross square tube on the bottom through a vertical square tube. The upper and lower four center lines between the upper cross square tube and the lower cross square tube on the bottom are aligned. The lower cross square tube on the bottom is set to a cross shape, which is welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed diamond shape. The size of the upper cross square tube on the bottom is smaller than that of the lower cross square tube on the bottom.

[0007] On this basis, the diagonal brace bracket includes an arc positioning plate, a square tube and an oblique square tube. The number of the arc positioning plates is set to 2, which are respectively arranged at the top of the square tube. The oblique square tube is installed on the outside of the arc positioning plate. The radius of the upper arc in the arc positioning plate is set to R1, and R1=1 / 2Φ1.

[0008] On this basis, the outer clamping ring is set to a circular ring shape, the inner diameter of the outer clamping ring is set to Φ2, the numerical range of Φ2 is set to: 4000~5000mm, the inner circle of the outer clamping ring is provided with semi-circular arcs in the circumferential direction, the number of semi-circular arcs is the same as the number of inner layer pipes of the product, the semi-circular arcs in the circumferential direction of the inner circle of the outer clamping ring and the semi-circular arcs in the circumferential direction of the outer circle of the inner clamping ring are all the same in size and position direction, the outer diameter of the outer clamping ring is set to Φ3, the numerical range of Φ3 is set to: 6000~7000mm, the outer circle of the outer clamping ring is provided with semi-circular arcs in the circumferential direction, the number is the same as the outer layer pipes of the product, and the angular position is evenly distributed in the span.

[0009] On this basis, the clamping plate is set to a rectangular shape, with a semicircular arc R1 in the middle, R1 = 1 / 2Φ1, and the clamping plate is used in conjunction with an inner clamping ring and an outer clamping ring.

[0010] A method for manufacturing a flanging sleeve inner part product using the flanging sleeve inner part assembly rack comprises the following steps:

[0011] Step 1: Place the lower support frame on the platform, first install the annular header of the product, after the annular header is hoisted into place by the crane, install the diagonal support bracket on the fourth center line, fix the annular header on the lower support frame through the diagonal support bracket, and weld and fix the annular header, diagonal support bracket and lower support frame.

[0012] Step 2: Place the equal height strips on the bottom positioning ring, install the pipe in the flange sleeve, and install the cross plate on the bottom positioning ring.

[0013] Step 3: Install the upper support frame, where the top cross square tube in the upper support frame is located at the top, the inner clamping ring is in contact with the center square tube in the lower support frame, and the four center lines between the top cross square tube and the bottom cross square tube are aligned.

[0014] Step 4: Lift the flanged sleeve inner parts assembly rack and the annular header of product (0) together, turn them 180 degrees, and place the assembly rack on the platform in an inverted manner. In this state, weld one end of the pipe to the annular header. After welding, lift the flanged sleeve inner parts assembly rack and the annular header of product (0) together, turn them 180 degrees, and place the assembly rack on the platform again to complete the welding between the pipe and the steel plate in the flanged sleeve inner parts.

[0015] Step 5: Remove the top cross square tube in the upper support frame to facilitate the welding of the inner pipe, outer pipe and outer clamp ring. According to the arc position in the inner clamp ring, install the inner pipe, install the clamping plate at the bottom of the outer end of the inner clamp ring, install the outer clamp ring, and set the outer clamp ring and the inner clamp ring in a semi-clamp form. The parts are connected by a steel plate, and the outer clamp ring is set on the clamping plate. Install the outer pipe, install the clamping plate at the bottom of the outer end of the outer clamp ring to clamp and fix the outer pipe, reinstall the top cross square tube in the upper support frame, and complete the welding of the lower ends of the inner and outer pipes with the loose pipes at the lower end of the flanging sleeve.

[0016] On this basis, in step 2, the innermost circle of the scattered pipe is installed first, one end of the scattered pipe is fixed to the annular header by spot welding, the middle area of ​​the scattered pipe is positioned by the center positioning ring, and the other end of the scattered pipe is positioned by the bottom positioning ring.

[0017] Compared with the prior art, the beneficial effects of the present invention are: effectively solving the welding quality of the scattered tubes at the upper end of the cylinder and the multiple rows of tube holes in the annular collecting box, ensuring the flatness of the scattered tubes at the lower end of the flanged sleeve to form a circular ring-shaped plane and the accuracy of docking with other cylinders after the bottom is bent, significantly improving the geometric dimensions and product rigidity of the flanged sleeve, preventing subsequent welding deformation, and significantly shortening the product manufacturing cycle while ensuring product quality; the design structure is simple, the manufacturing cost is low, and it is easy to use. According to the product sizes of different specifications, by replacing the center positioning ring, bottom positioning ring, inner retaining ring, and outer retaining ring of different specifications and sizes, the installation and assembly operations of the flanged sleeve internals of similar shapes can be realized. It has high versatility and practicality, and is convenient for large-scale use in production workshops. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main cross-section of the flanged sleeve inner product;

[0019] Figure 2 It is a top view of a flanged sleeve internal product;

[0020] Figure 3 This is the main structural diagram of the flange sleeve internal parts assembly rack

[0021] Figure 4 1. It is a schematic diagram of the structure of the flanging sleeve inner parts assembly rack viewed from above;

[0022] Figure 5 It is a schematic diagram of the main structure of the upper support frame;

[0023] Figure 6 1. It is a schematic diagram of the structure of the upper support frame viewed from above;

[0024] Figure 7 1. It is a schematic diagram of the main structure of the lower support frame;

[0025] Figure 8 1 is a schematic diagram of the structure of the lower support frame viewed from above;

[0026] Fig. 9 yes Figure 7 A-direction view;

[0027] Fig.10 Schematic diagram of the inner snap ring structure;

[0028] Fig.11 It is a schematic diagram of the diagonal brace structure;

[0029] Fig.12 yes Fig.11 B-direction view;

[0030] Fig.13 It is a schematic diagram of the iso-height bar structure;

[0031] Fig.14 2 is a schematic diagram of the structure of the outer clamp ring;

[0032] Fig.15 It is a schematic diagram of the card board structure;

[0033] Fig.16 This is a schematic diagram of the installation of the lower support frame, diagonal support bracket and equal height bar during assembly;

[0034] Fig.17 It is a schematic diagram of the installation of the upper support frame, the lower support frame, the diagonal support bracket and the equal height bar;

[0035] Fig.18 yes Fig.17 Flip the structural diagram 180°;

[0036] Fig.19 This is a schematic diagram of the structure of removing the upper support frame and installing the outer clamping ring and the clamping plate;

[0037] Fig. 20 It is the final structural diagram of the product installation;

[0038] In the figure: 0, product, 0-1, annular header, 0-2, outer pipeline, 0-3, scattered pipe, 0-4, inner pipeline,

[0039] 1. Upper support frame, 2. Lower support frame, 3. Diagonal support frame, 4. Equal height bar, 5. External clamping ring, 6. Clamping plate,

[0040] 1-1, cross square tube on the top, 1-2, vertical square tube, 1-3, cross square tube on the bottom of the top, 1-4, inner clamp ring,

[0041] 2-1, center square tube, 2-2, center positioning ring, 2-3, cross plate, 2-4, bottom positioning ring, 2-5, bottom upper cross square tube, 2-6, vertical square tube, 2-7, bottom lower cross square tube,

[0042] 2-2-1, gap, 2-2-2, cutting groove,

[0043] 3-1, arc positioning plate, 3-2, square tube, 3-3, oblique square tube. DETAILED DESCRIPTION

[0044] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0045] Our company designs a flanged sleeve internal product, referring to Figure 1 and Figure 2 The product 0 includes an annular header 0-1, a scattered pipe 0-3, an inner layer pipe 0-4 and an outer layer pipe 0-2. The interior of the product is set to a cylindrical shape. The flanged sleeve is made of irregular scattered pipes 0-3, which are welded by steel plate inlay welding. An annular header 0-1 is arranged at the upper end of the outer side of the flanged sleeve. The annular header 0-1 is provided with multiple rows of pipe holes. The scattered pipes 0-3 at the upper end of the flanged sleeve are butt-welded with the multiple rows of pipe holes in the annular header 0-1. The scattered pipes 0-3 at the lower end of the flanged sleeve form a circular ring-shaped plane, and the bottom is bent and butt-welded. Its cylinder body is also provided with two layers of surrounding pipes in the circumferential direction of the outer side of the cylinder, namely inner pipe 0-4 and outer pipe 0-2, wherein the number of inner pipes is set to 14, the upper end ports of the pipes are located at 0°, and the other angles are evenly distributed around the circumference; the number of outer pipes is also set to 14, the upper end ports of the pipes are set to be evenly distributed in the middle of the span, the lower end ports of the inner pipe 0-4 and the outer pipe 0-2 are butt-welded to the bulk pipe 0-3 at the lower end of the flanging sleeve, the specification of the annular header 0-1 is set to Φ1, and the value range of Φ1 is set to: 100~300mm.

[0046] During installation, in order to position the annular header 0-1, the irregular scattered pipe 0-3, the inner layer pipe 0-4 and the outer layer pipe 0-2, the present invention discloses a flanged sleeve inner component assembly rack, referring to Figure 3 , Figure 4 and Fig.13 ,, including an upper support frame 1, a lower support frame 2, an oblique support bracket 3, a contour bar 4, an outer clamping ring 5 and a clamping plate 6. The upper support frame 1 and the lower support frame 2 are respectively arranged on the upper and lower sides of the flanging sleeve internal product. Since the product is annular, the oblique support bracket 3 is arranged on the fourth center line, the upper end supports and fixes the product annular header 0-1, and the lower end is installed on the lower support frame 2. A clamping plate 6 is installed at the bottom of the outer end of the outer clamping ring 5 for clamping and fixing the inner layer pipeline 0-4. The contour bar 4 is made of square tubes stacked and welded, and is used to eliminate the gap between the loose pipe 0-3 at the lower end of the cylinder in the positioning flanging sleeve internal product and the lower support frame 2.

[0047] refer to Figure 5 , Figure 6 and Fig.10 The upper support frame 1 includes a top cross square tube 1-1, a vertical square tube 1-2, a top lower cross square tube 1-3 and an inner clamping ring 1-4. The top lower cross square tube 1-3 is connected to the top cross square tube 1-1 through the vertical square tube 1-2. The top cross square tube 1-1 is set in a cross shape and is welded by square tubes. The square tubes are beveled in the circumferential direction to form a sealed diamond shape. The top lower cross square tube 1-3 is set in a cross shape and is welded by square tubes. The square tubes are beveled in the circumferential direction to form a sealed diamond shape. The size of the top lower cross square tube 1-3 is smaller than the top upper cross square tube 1-1. The top lower cross square tube 1- 3 and the upper and lower four center lines between the cross square tube 1-1 on the top are aligned, the lower cross square tube 1-3 on the top is welded to the inner clamping ring 1-4, the center of the lower cross square tube 1-3 on the top is at the same center as the inner clamping ring 1-4, and the four center lines in the lower cross square tube 1-3 on the top are aligned with the 0°, 90°, 180°, and 270° angle position lines in the inner clamping ring 1-4, the inner clamping ring 1-4 is set to a circular ring shape, the outer diameter of the inner clamping ring 1-4 is set to Φ2, and the numerical range of Φ2 is set to: 4000-5000mm. In this embodiment, 14 semicircular arcs are provided in the circumferential direction of the outer circle of the inner clamping ring 1-4, which is the same as the number of the inner layer pipe 0-4 of the product.

[0048] refer to Figure 7 , Figure 8 and Fig. 9The lower support frame 2 includes a central square tube 2-1, a central positioning ring 2-2, a cross plate 2-3, a bottom positioning ring 2-4, a bottom upper cross square tube 2-5, a vertical square tube 2-6 and a bottom lower cross square tube 2-7. The central square tube 2-1 is connected to the central positioning ring 2-2. The number of central square tubes 2-1 is set to four. The central positioning ring 2-2 is set to be annular and is respectively arranged at the upper, middle and lower positions of the central square tube 2-1. A rectangular groove is provided at the four centerline positions of the inner circle of the central positioning ring 2-2. The rectangular groove of the inner circle of the central positioning ring 2-2 is installed in coordination with the central square tube 2-1. The central square tube 2-1 and the inner circle of the central positioning ring 2-2 are connected to each other. A gap 2-2-1 is provided between the rectangular card slots, and the value range L of the gap 2-2-1 is set to: 30 ~ 100mm, the outer ring of the center positioning ring 2-2 is set to a comb shape, and the outer ring of the center positioning ring 2-2 is provided with four cutting grooves 2-2-2, and the cutting grooves 2-2-2 are set to be evenly distributed in the span relative to the four center lines, the bottom positioning ring 2-4 is set to be annular, and the outer ring of the bottom positioning ring 2-4 is set to be comb-toothed. The bottom positioning ring 2-4 is aligned with the 0°, 90°, 180°, and 270° angle position lines of the center positioning ring 2-2, the center square tube 2-1 is fixedly connected to the bottom positioning ring 2-4, and the bottom positioning ring 2-4 is connected to the center The angle position line in the center positioning ring 2-2 is at the same center as the center square tube 2-1, and the four center lines are aligned. The bottom positioning ring 2-4 is fixedly connected to the bottom upper cross square tube 2-5. The center of the bottom upper cross square tube 2-5 is at the same center as the bottom positioning ring 2-4, and the four center lines in the bottom upper cross square tube 2-5 are aligned with the 0°, 90°, 180°, and 270° angle position lines in the bottom positioning ring 2-4. The bottom upper cross square tube 2-5 is set in a cross shape and is welded by square tubes. The square tubes are beveled in the circumferential direction to form a sealed diamond shape. The cross plate 2-3 is installed at the bottom positioning On the ring 2-4, the cross plate 2-3 is set to be evenly distributed in the span relative to the four center lines, the upper cross square tube 2-5 at the bottom is connected to the lower cross square tube 2-7 at the bottom by a vertical square tube 2-6, the upper and lower four center lines between the upper cross square tube 2-5 and the lower cross square tube 2-7 at the bottom are aligned, the lower cross square tube 2-7 at the bottom is set to a cross shape, which is welded by square tubes, and the square tubes are beveled in the circumferential direction to form a closed diamond shape, the upper cross square tube 2-5 at the bottom is smaller than the lower cross square tube 2-7 at the bottom, the center positioning ring 2-2 positions the upper position of the innermost circle of the scattered tube 0-3, and the bottom positioning ring 2-4 positions the lower part of the scattered tube 0-3.

[0049] refer to Fig.11 and Fig.12 The diagonal brace bracket 3 includes an arc positioning plate 3-1, a square tube 3-2 and an oblique square tube 3-3. The number of the arc positioning plates 3-1 is set to 2, which are respectively arranged at the top position of the square tube 3-2. The oblique square tube 3-3 is installed on the outside of the arc positioning plate 3-1. The arc radius of the upper end of the arc positioning plate 3-1 is set to R1, and R1=1 / 2Φ1.

[0050] refer to Fig.14 and Fig.15 The outer clamp ring 5 is set to a circular ring shape, the inner diameter of the outer clamp ring 5 is set to Φ2, the numerical range of Φ2 is set to: 4000~5000mm, the inner circle of the outer clamp ring 5 is provided with a semicircular arc in the circumferential direction, the number of the semicircular arcs is the same as the number of the inner layer pipes 0-4 of the product, the semicircular arcs in the circumferential direction of the inner circle of the outer clamp ring 5 and the semicircular arcs in the circumferential direction of the outer circle of the inner clamp ring 1-4 are all the same in size, position and direction, the outer diameter of the outer clamp ring 5 is set to Φ3, the numerical range of Φ3 is set to: 6000~7000mm, 14 semicircular arcs are provided in the circumferential direction of the outer circle of the outer clamp ring 5, the same as the number of the outer layer pipes 0-2 of the product, and the angular position is evenly distributed in the span, the clamping plate 6 is set to a rectangular shape, and a semicircular arc R1 is provided in the middle, R1=1 / 2Φ1, and the clamping plate 6 is used in conjunction with the inner clamp rings 1-4 and the outer clamp ring 5.

[0051] A method for manufacturing a flanged sleeve inner product, comprising the following steps:

[0052] Step 1: Reference Fig.16 , place the lower support frame 2 on the platform, first install the product annular header 0-1, after the annular header 0-1 is hoisted in place by the crane, install the diagonal support bracket 3 in the cross direction of the four center lines, fix the annular header 0-1 on the lower support frame 2 through the diagonal support bracket 3, and weld and fix the annular header 0-1, the diagonal support bracket 3 and the lower support frame 2.

[0053] Step 2: Place the equal height bar 4 on the bottom positioning ring 2-4, install the scattered pipes in the flanged sleeve, install the cross plate 2-3 on the bottom positioning ring 2-4, first install the scattered pipes 0-3 in the innermost circle, one end of the scattered pipes 0-3 is fixed with the annular header 0-1 by spot welding, the middle area of ​​the scattered pipes 0-2 is positioned by the center positioning ring 2-2, and the other end of the scattered pipes 0-3 is positioned by the bottom positioning ring 2-4.

[0054] Step 3: Reference Fig.17 , install the upper support frame 1, the top upper cross square tube 1-1 in the upper support frame 1 is located at the top, the inner clamp ring 1-4 is in contact with the center square tube in the lower support frame 2, and the top upper cross square tube 1-1 and the bottom lower cross square tube 1-3 are aligned with the four center lines,

[0055] Step 4: Reference Fig.18, lift the flanged sleeve internal parts assembly rack and the product annular header 0-1 together, turn them 180 degrees, and place the assembly rack on the platform in an inverted manner. In this state, weld one end of the loose pipe 0-3 to the annular header 0-1. After the welding of one end of the loose pipe 0-3 to the annular header 0-1 is completed, lift the flanged sleeve internal parts assembly rack and the product annular header 0-1 together, turn them 180 degrees, and place the assembly rack on the platform again to complete the welding between the loose pipe 0-3 and the steel plate in the flanged sleeve internal parts.

[0056] Step 5: Reference Fig.19 and Fig. 20 , remove the top cross square tube 1-1 in the upper support frame 1 to facilitate the welding of the inner pipe 0-4, the outer pipe 0-2 and the outer clamping ring 5. According to the arc position in the inner clamping ring 1-4, install the inner pipe 0-4, install the clamping plate 6 at the bottom of the outer end of the inner clamping ring 1-4, install the outer clamping ring 5, and set the outer clamping ring 5 and the inner clamping ring 1-4 in a semi-clamp form. The parts are connected by a steel plate, and the outer clamping ring 5 is arranged on the clamping plate 6. Install the outer pipe 0-5, and install the clamping plate 6 at the bottom of the outer end of the outer clamping ring 5 to clamp and fix the outer pipe 0-5. Reinstall the top cross square tube 1-1 in the upper support frame 1, and complete the butt welding of the lower end ports of the inner pipe 0-4 and the outer pipe 0-2 with the loose pipes at the lower end of the flanging sleeve.

[0057] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0058] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screwing", "pad installation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0059] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A flanged sleeve internal assembly rack, used for assembling an annular header (0-1), a diffuser (0-3), an inner layer pipe (0-4) and an outer layer pipe (0-2) in a product, characterized in that: The invention comprises an upper support frame (1), a lower support frame (2), an inclined support bracket (3), a contour strip (4), an outer clamping ring (5) and a clamping plate (6); the upper support frame (1) and the lower support frame (2) are respectively arranged on the upper and lower sides of the flanged sleeve internal product; the inclined support bracket (3) is arranged on the fourth center line; the upper end supports and fixes the product annular header (0-1); the lower end is installed on the lower support frame (2); the clamping plate (6) is installed at the bottom of the outer end of the outer clamping ring (5) for clamping and fixing the inner layer pipeline (0-4); the contour strip (4) is made of square tubes stacked and welded, and is used to eliminate the gap between the loose tube (0-3) at the lower end of the cylinder in the positioning flanged sleeve internal product and the lower support frame (2).

2. The flange sleeve inner component assembly rack according to claim 1, characterized in that: The upper support frame (1) comprises an upper cross square tube (1-1), a vertical square tube (1-2), a lower cross square tube (1-3) and an inner clamping ring (1-4); the lower cross square tube (1-3) is connected to the upper cross square tube (1-1) via the vertical square tube (1-2); the upper cross square tube (1-1) is configured in a cross shape and is welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed rhombus shape; the lower cross square tube (1-3) is configured in a cross shape and is welded by square tubes, and the square tubes are beveled in the circumferential direction to form a sealed rhombus shape; the size of the lower cross square tube (1-3) is smaller than that of the upper cross square tube (1-1); the lower cross square tube (1-3) is smaller than that of the upper cross square tube (1-1); the The upper and lower four center lines between the cross square tube (1-3) and the top cross square tube (1-1) are aligned, the top lower cross square tube (1-3) and the inner clamping ring (1-4) are welded and connected, the center of the top lower cross square tube (1-3) and the inner clamping ring (1-4) are at the same center, and the four center lines in the top lower cross square tube (1-3) are aligned with the 0°, 90°, 180°, and 270° angle position lines in the inner clamping ring (1-4), the inner clamping ring (1-4) is set to be annular, the outer diameter of the inner clamping ring (1-4) is set to Φ2, and the value range of Φ2 is set to: 4000-5000mm, and the outer circle of the inner clamping ring (1-4) is provided with semicircular arcs in the circumferential direction, and the number is the same as that of the inner layer pipeline (0-4) of the product.

3. The flanged sleeve inner component assembly rack according to claim 2, characterized in that: The lower support frame (2) comprises a central square tube (2-1), a central positioning ring (2-2), a cross plate (2-3), a bottom positioning ring (2-4), a bottom upper cross square tube (2-5), a vertical square tube (2-6) and a bottom lower cross square tube (2-7); the central square tube (2-1) is connected to the central positioning ring (2-2); the number of the central square tubes (2-1) is set to four; the central positioning ring (2-2) is set to be annular and is respectively arranged at the upper, middle and lower positions of the central square tube (2-1); rectangular grooves are arranged at the four midline positions of the inner circle of the central positioning ring (2-2); the rectangular grooves of the inner circle of the central positioning ring (2-2) are matched and arranged with the central square tube (2-1) The central square tube (2-1) and the central positioning ring (2-2) are provided with a gap L between their inner rectangular slots, the value range of L being 30 to 100 mm, the outer ring of the central positioning ring (2-2) being provided with a comb-tooth shape, the outer ring of the central positioning ring (2-2) being provided with four cutting grooves, the cutting grooves being uniformly distributed in the middle of the span relative to the four center lines, the bottom positioning ring (2-4) being provided with a circular ring shape, the outer ring of the bottom positioning ring (2-4) being provided with a comb-tooth shape, the bottom positioning ring (2-4) being aligned with the 0°, 90°, 180°, and 270° angle position lines of the central positioning ring (2-2), the central square tube (2-1) being fixedly connected to the bottom positioning ring (2-4), the bottom positioning ring (2-4) being provided with a comb-tooth shape, The bottom positioning ring (2-4) and the central positioning ring (2-2) have angle position lines in the same center as the central square tube (2-1), and the four center lines are aligned. The bottom positioning ring (2-4) is fixedly connected to the bottom upper cross square tube (2-5). The center of the bottom upper cross square tube (2-5) is in the same center as the bottom positioning ring (2-4), and the four center lines in the bottom upper cross square tube (2-5) are aligned with the 0°, 90°, 180°, and 270° angle position lines in the bottom positioning ring (2-4). The bottom upper cross square tube (2-5) is set in a cross shape and is formed by welding square tubes. The square tubes are beveled in the circumferential direction to form a sealed rhombus shape. The cross plate (2-3) is set to be in a "cross" structure shape, the cross plate (2-3) is installed on the bottom positioning ring (2-4), the cross plate (2-3) is set to be evenly distributed in the span relative to the four center lines, the bottom upper cross square tube (2-5) and the bottom lower cross square tube (2-7) are connected through a vertical square tube (2-6), the upper and lower four center lines between the upper cross square tube (2-5) and the bottom lower cross square tube (2-7) are aligned, the bottom lower cross square tube (2-7) is set to be in a cross shape, and is formed by welding square tubes, and the square tubes are beveled in the circumferential direction to form a closed rhombus shape, and the bottom upper cross square tube (2-5) is smaller than the bottom lower cross square tube (2-7).

4. The flanged sleeve inner component assembly rack according to claim 3, characterized in that: The diagonal brace bracket (3) comprises an arc positioning plate (3-1), a square tube (3-2) and an oblique square tube (3-3); the number of the arc positioning plates (3-1) is set to 2, which are respectively arranged at the top of the square tube (3-2); the oblique square tube (3-3) is installed on the outside of the arc positioning plate (3-1); the arc radius of the upper end of the arc positioning plate (3-1) is set to R1, and R1=1 / 2Φ1.

5. The flanged sleeve inner component assembly rack according to claim 4, characterized in that: The outer clamping ring (5) is set to be annular, the inner diameter of the outer clamping ring (5) is set to Φ2, the numerical range of Φ2 is set to: 4000-5000mm, the inner circle of the outer clamping ring (5) is provided with semicircular arcs in the circumferential direction, the number of semicircular arcs is the same as the number of the inner layer pipelines (0-4) of the product, the semicircular arcs in the circumferential direction of the inner circle of the outer clamping ring (5) and the semicircular arcs in the circumferential direction of the outer circle of the inner clamping ring (1-4) are all the same in size, position and direction, the outer diameter of the outer clamping ring (5) is set to Φ3, the numerical range of Φ3 is set to: 6000-7000mm, the outer circle of the outer clamping ring (5) is provided with semicircular arcs in the circumferential direction, the number is the same as the outer layer pipelines (0-2) of the product, and the angular position is evenly distributed in the span.

6. The flanged sleeve inner component assembly rack according to claim 5, characterized in that: The clamping plate (6) is designed to be in a rectangular shape, with a semicircular arc R1 being provided in the middle, where R1=1 / 2Φ1. The clamping plate (6) is used in conjunction with an inner clamping ring (1-4) and an outer clamping ring (5).

7. A method for manufacturing a flanged sleeve inner part product using the flanged sleeve inner part assembly rack according to claim 6, characterized in that: The following steps are involved: Step 1: Place the lower support frame (2) on the platform, first install the annular header (0-1) of the product, after the annular header (0-1) is hoisted in place by a crane, install the diagonal support bracket (3) on the fourth center line, fix the annular header (0-1) on the lower support frame (2) through the diagonal support bracket (3), and weld and fix the annular header (0-1), the diagonal support bracket (3) and the lower support frame (2). Step 2: Place the equal height bar (4) on the bottom positioning ring (2-4), install the pipe in the flange sleeve, and install the cross plate (2-3) on the bottom positioning ring (2-4). Step 3: Install the upper support frame (1), wherein the top upper cross square tube (1-1) in the upper support frame (1) is located at the top, the inner clamping ring (1-4) is in contact with the center square tube in the lower support frame (2), and the top upper cross square tube (1-1) and the bottom lower cross square tube (1-3) are aligned with the four center lines. Step 4: Lift the flanged sleeve inner parts assembly rack and the product's annular header (0-1) together, turn them 180 degrees, and place the assembly rack on the platform in an inverted manner. In this state, weld one end of the pipe to the annular header (0-1). After welding, lift the flanged sleeve inner parts assembly rack and the product's annular header (0-1) together, turn them 180 degrees, and place the assembly rack on the platform again to complete the welding between the pipe and the steel plate in the flanged sleeve inner parts. Step 5: Remove the cross square tube (1-1) on the top of the upper support frame (1) to facilitate the welding of the inner pipe (0-4), the outer pipe (0-2) and the outer clamping ring (5). According to the arc position in the inner clamping ring (1-4), install the inner pipe (0-4), install the clamping plate (6) at the bottom of the outer end of the inner clamping ring (1-4), install the outer clamping ring (5), set the outer clamping ring (5) and the inner clamping ring (1-4) in a semi-clamp form, connect the parts by a steel plate, and the outer clamping ring (5) is arranged on the clamping plate (6), install the outer pipe (0-2), install the clamping plate (6) at the bottom of the outer end of the outer clamping ring (5) to clamp and fix the outer pipe (0-2), reinstall the cross square tube (1-1) on the top of the upper support frame (1), and complete the butt welding of the lower end ports of the inner pipe (0-4) and the outer pipe (0-2) with the loose pipe (0-3) at the lower end of the flanged sleeve.

8. The method for manufacturing a flanged sleeve inner product according to claim 7, characterized in that: In step 2, the innermost circle of the scattered pipe (0-3) is first installed, one end of the scattered pipe (0-3) is fixed to the annular header (0-1) by spot welding, the middle area of ​​the scattered pipe (0-3) is positioned by a center positioning ring (2-2), and the other end of the scattered pipe (0-3) is positioned by a bottom positioning ring (2-4).

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