A novel trough collector torque tube and its processing method

Abstract

The present invention provides a new type of trough collector torque tube, including a support column frame, a ground fixing plate, a diagonal brace, a top mounting seat, a bearing seat, a torsion tube group structure, a transverse axis beam, an adjusting hydraulic cylinder, a connecting ear plate, a trough collector reflective lens, a collector tube support rod, a high-temperature collector tube, a cantilever truss, a transmission connection plate and a connecting clamping plate. The present invention The trough collector torque tube of the present invention is composed of four galvanized plates with a thickness of five to eight millimeters. It is simple to disassemble and assemble, easy to operate and has high accuracy; under the action of the splicing convex strips, it has a high bending strength, and can play a role in heat dissipation and heat conduction with the heat dissipation holes; the trough collector torque tube of the present invention has a simple structure, adopts an integral stretching forming process, the processing method is simple and practical, easy to use, and the bolt connection fixing method ensures the installation focusing accuracy requirements of the trough solar thermal power generation collector, and is easy to install.

Description

Technical Field

[0001] The invention belongs to the technical field of auxiliary accessories for collectors, and in particular relates to a novel trough-type collector torque tube and a processing method thereof. Background Art

[0002] Due to the broad application prospects of solar energy, solar energy is the main energy source of trough collectors. Solar trough collectors occupy a dominant position in the solar energy utilization system. They provide heat sources for the system. Their efficiency and investment costs will affect the efficiency and economy of the entire heat collection system. The trough solar collector adopts a vacuum glass tube structure, that is, the inner tube is a metal tube coated with a high-absorption rate selective absorption layer. The heating medium is inside the tube, and the outside is a glass tube. The vacuum between the glass tube and the metal tube is used to suppress convection and conduction heat loss.

[0003] Trough collector is a kind of heat collection device that utilizes the light-heat conversion method, realizes the conversion of light energy into heat energy through focusing, reflection and absorption, and makes the heat exchange medium reach a certain temperature to meet the needs of different loads. Trough collector belongs to the category of medium and high temperature collectors, which can make the heat exchange medium reach a relatively high temperature, and can be used in thermal power generation, seawater desalination, heating engineering, absorption refrigeration and other life and production fields.

[0004] In addition, the Chinese patent publication number is CN203719216U, and the invention is called a tensioned trough solar thermal power generation collector torque tube structure, which includes a plurality of torque tube assemblies, and vertical ribs are arranged on the butt-jointed sides of two adjacent torque tube assemblies, and the butt-jointed vertical ribs are fixed by bolts, and a plurality of torque tube assemblies are integrally spliced ​​into a torque tube. However, the existing trough collector still has the problem that the torque tube is not easy to disassemble and assemble, and it is not convenient to connect and fix with the support frame of the trough collector.

[0005] In view of this, it is very necessary to invent a new type of trough collector torque tube and a processing method thereof. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a new type of trough collector torque tube and its processing method to solve the problem that the torque tube of the existing trough collector is not convenient to disassemble and assemble, and is inconvenient to connect and fix with the supporting frame of the trough collector.

[0007] A novel trough collector torque tube comprises a support column frame, a ground fixing plate, an oblique support rod, a top mounting seat, a bearing seat, a torsion tube group structure, a transverse axis beam, an adjusting hydraulic cylinder, a connecting ear plate, a trough type heat collecting reflective lens, a heat collecting tube support rod, a high temperature heat collecting tube, a cantilever truss, a transmission connecting plate and a connecting clamping plate. One end of the support column frame is bolted to the upper part of the ground fixing plate, and the other end is bolted to the left and right sides of the lower part of the top mounting seat; the oblique support rod is welded to the inner side of the two support column frames; the bearing seat is bolted to the upper middle position of the top mounting seat; the torsion tube group structure is bolted to the outer side of the transverse axis beam; the transverse axis The beam is inserted into the inner ring of the bearing seat; the lower bolt of the adjusting hydraulic cylinder is connected to the lower left part of the supporting column frame, and the lower shaft of the adjusting hydraulic cylinder is connected to the rear lower side of the connecting ear plate; the connecting ear plate is bolted to the lower left position of the cantilever truss; the grooved heat collecting reflective lens is screwed to the upper part of the cantilever truss; the heat collecting tube support rod is bolted to the upper part of the top mounting seat; the high-temperature heat collecting tube is screwed to the inner upper position of the heat collecting tube support rod; the cantilever truss is embedded in the outside of the torsion tube group structure; the transmission connecting plate is bolted to the left side of the cantilever truss; the connecting clamping plate is bolted to the right side of the cantilever truss.

[0008] Preferably, the torsion tube group structure includes an upper torque tube segment, a connecting arc segment, a lower torque tube segment, a longitudinal groove, a splicing convex strip, a connecting fixed clamp ring and a heat dissipation hole, the upper torque tube segment is clamped at the upper part of the connecting arc segment; the lower torque tube segment is clamped at the lower part of the connecting arc segment; the longitudinal grooves are respectively longitudinally opened on the surfaces of the upper torque tube segment and the lower torque tube segment; the splicing convex strips are respectively integrated at the connecting surfaces of the upper torque tube segment, the connecting arc segment and the lower torque tube segment.

[0009] Preferably, the connecting and fixing hoop ring is sleeved on the upper torque tube sheet, connecting the outer surfaces of the arc-shaped tube sheet and the lower torque tube sheet; the heat dissipation holes are respectively opened on the upper torque tube sheet, connecting the outer surfaces of the arc-shaped tube sheet and the lower torque tube sheet.

[0010] Preferably, the cantilever truss comprises a through hole, a slot hole, a wire restraining clamp, a water collecting guide bucket and a drainage pipe, the through holes are sequentially opened inside the cantilever truss; the wire restraining clamp is clamped in the slot hole; the slot holes are distributed and opened on the lower wall of the through hole.

[0011] Preferably, the water collecting guide bucket is screwed to the lower middle position of the cantilever truss; the drainage pipe is threadedly connected to the lower middle position of the water collecting guide bucket.

[0012] Preferably, the drainage duct is specifically an "L"-shaped corrugated PVC plastic pipe.

[0013] Preferably, the transverse axis beam is inserted into the upper torque tube segment, connects the arc-shaped segment and the interior of the lower torque tube segment, and is clamped and fixed by a connecting and fixing clamp ring.

[0014] Preferably, the upper torque tube segment, the connecting arc segment and the lower torque tube segment are respectively made of galvanized plates with a thickness of five millimeters to eight millimeters.

[0015] Preferably, the upper torque tube sheet and the lower torque tube sheet are respectively arc sheet structures of three-tenths of a circle; two connecting arc sheets are provided; and each connecting arc sheet is respectively an arc sheet structure of one-fifth of a circle.

[0016] Preferably, the connecting and fixing clamp rings are provided with two positions at both ends of the upper torque tube sheet and the lower torque tube sheet.

[0017] Preferably, the transverse axis beam and the torsion tube group structure pass through a through hole arranged in the middle and are connected with the cantilever truss bolts.

[0018] Preferably, a plurality of the cantilever trusses are provided.

[0019] In addition, the present invention provides a novel trough collector torque tube, and the processing method thereof is as follows:

[0020] Step 1: stamping and taking out materials of torque tube assembly;

[0021] Step 2: Forming and assembling the torque tube;

[0022] Step 3: Twisting the beam forming of the tube group structure;

[0023] Step 4: Installation of trough collector support frame;

[0024] Step 5: Through-molding of cantilever trusses;

[0025] Step 6: prefabrication of the prefabricated heating device;

[0026] Step 7: Installation of trough-type heat-collecting reflective lenses;

[0027] Step 8: Installation of high-temperature collector tubes.

[0028] Preferably, in step one, a galvanized steel plate of a certain thickness is punched and cut using a stamping die, and then drawn into shape using a stretching die, so that the upper torque tube segment and the lower torque tube segment are respectively an arc structure of three-tenths of a circle; two connecting arc segments are provided; and each connecting arc segment is respectively an arc structure of one-fifth of a circle.

[0029] Preferably, in step one, an upper longitudinal groove and a heat dissipation hole are provided on the outer surface of the upper torque tube sheet, the arc-shaped sheet connected to the lower torque tube sheet.

[0030] Preferably, in step 2, the upper torque tube segment, the connecting arc segment and the lower torque tube segment in step 1 are assembled and fixed together using splicing convex strips and fixed with bolts, and the connecting and fixing clamp rings are fixed at both ends of the torsion tube group structure.

[0031] Preferably, in step three, the transverse axis beam is passed through the interior of the torsion tube group structure in step two, and is inserted and interference-fitted with the inner ring of the bearing seat.

[0032] Preferably, in step four, one end of the support column frame is bolted to the upper part of the ground fixing plate, and the other end is bolted to the left and right sides of the lower part of the top mounting seat to form a trough collector support frame, so that the top mounting seat remains horizontal and the ground fixing plate is fixed to the ground by bolts or cement pouring.

[0033] Preferably, in step five, the transverse axis beam and the torsion tube group structure are passed through the through hole provided in the middle and are bolted to the cantilever truss.

[0034] Preferably, in step six, the high-temperature heat collecting tube is screwed to the inner upper part of the heat collecting tube support rod to form a prefabricated heating device of the collector.

[0035] Preferably, in step seven, the grooved heat-collecting reflective lens is screwed to the upper portion of the cantilever truss.

[0036] Preferably, in step eight, the prefabricated heating device in step six is ​​bolted and installed on the upper part of the trough collector support frame.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] The trough collector torque tube of the present invention is composed of four galvanized plates with a thickness of 5 mm to 8 mm. The upper torque tube sheet and the lower torque tube sheet are respectively arc sheet structures of three tenths of a circle; two connecting arc sheets are provided; each connecting arc sheet is respectively an arc sheet structure of one fifth of a circle, which is simple to disassemble and assemble, easy to operate and high in accuracy; under the action of the splicing convex strips, it has high bending strength, and can play the role of heat dissipation and heat conduction in combination with the heat dissipation holes;

[0039] Because there are multiple cantilever trusses, water collecting guide buckets and drainage pipes are installed according to different use positions, so as to block and collect rainwater and discharge it to a designated position, protect the safety of the torque tube of the trough collector and various connecting pipes, and extend the service life;

[0040] The trough collector torque tube of the present invention has a simple structure and adopts an integral stretching forming process. The processing method is simple and practical, easy to use, and the bolt connection fixing method ensures the installation focusing accuracy requirements of the trough solar thermal power generation collector and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of the present invention.

[0042] Figure 2 It is a partial structural schematic diagram of the trough collector of the present invention.

[0043] Figure 3 It is a schematic structural diagram of a partial elevation view of the present invention.

[0044] Figure 4 It is a structural schematic diagram of the twisted tube group structure of the present invention.

[0045] Figure 5 It is a structural schematic diagram of the cantilever truss of the present invention.

[0046] Figure 6 It is a process framework diagram of the processing method of the present invention.

[0047] In the figure:

[0048] 1. Support column frame; 2. Ground fixing plate; 3. Diagonal brace rod; 4. Top mounting seat; 5. Bearing seat; 6. Torsion tube group structure; 61. Upper torque tube segment; 62. Connecting arc-shaped sheet; 63. Lower torque tube segment; 64. Longitudinal slot; 65. Splicing convex strip; 66. Connecting and fixing clamp ring; 67. Heat dissipation hole; 7. Transverse axis beam; 8. Adjusting hydraulic cylinder; 9. Connecting ear plate; 10. Grooved heat collecting reflective lens; 11. Heat collecting tube support rod; 12. High-temperature heat collecting tube; 13. Cantilever truss; 131. Through hole; 132. Slot hole; 133. Wire restraining clamp ring; 134. Water collecting guide bucket; 135. Drainage tube; 14. Transmission connecting plate; 15. Connecting clamping plate. DETAILED DESCRIPTION

[0049] The present invention is further described below in conjunction with the accompanying drawings:

[0050] Example:

[0051] As attached Figure 1 To Attachment Figure 3As shown, the present invention provides a novel trough collector torque tube, comprising a support column frame 1, a ground fixing plate 2, a diagonal brace rod 3, a top mounting seat 4, a bearing seat 5, a torsion tube group structure 6, a transverse axis beam 7, an adjusting hydraulic cylinder 8, a connecting ear plate 9, a trough type heat collecting reflective lens 10, a heat collecting tube support rod 11, a high temperature heat collecting tube 12, a cantilever truss 13, a transmission connection plate 14 and a connecting clamping plate 15, one end of the support column frame 1 is bolted to the upper part of the ground fixing plate 2, and the other end is bolted to the left and right sides of the lower part of the top mounting seat 4; the diagonal brace rod 3 is welded to the inner side of the two support column frames 1; the bearing seat 5 is bolted to the upper middle position of the top mounting seat 4; the torsion tube group structure 6 is bolted to the outer side of the transverse axis beam 7; the The transverse axis beam 7 is inserted into the inner ring of the bearing seat 5; the lower part of the adjusting hydraulic cylinder 8 is bolted to the lower left part of the supporting column frame 1, and the lower shaft of the adjusting hydraulic cylinder 8 is connected to the rear lower side of the connecting ear plate 9; the connecting ear plate 9 is bolted to the lower left side of the cantilever truss 13; the trough-type heat-collecting reflective lens 10 is screwed to the upper part of the cantilever truss 13; the heat-collecting pipe support rod 11 is bolted to the upper part of the top mounting seat 4; the high-temperature heat-collecting pipe 12 is screwed to the inner upper position of the heat-collecting pipe support rod 11; the cantilever truss 13 is embedded in the outside of the torsion tube group structure 6; the transmission connecting plate 14 is bolted to the left side of the cantilever truss 13; the connecting clamping plate 15 is bolted to the right side of the cantilever truss 13.

[0052] As attached Figure 4 As shown, in the above implementation scheme, specifically, the torsion tube group structure 6 includes an upper torque tube segment 61, a connecting arc segment 62, a lower torque tube segment 63, a longitudinal groove 64, a splicing convex strip 65, a connecting and fixing hoop ring 66 and a heat dissipation hole 67. The upper torque tube segment 61 is clamped on the upper part of the connecting arc segment 62; the lower torque tube segment 63 is clamped on the lower part of the connecting arc segment 62; the longitudinal groove 64 is respectively longitudinally opened on the surface of the upper torque tube segment 61 and the lower torque tube segment 63; the splicing convex strip 65 is respectively integrated at the connecting surface of the upper torque tube segment 61, the connecting arc segment 62 and the lower torque tube segment 63; the connecting and fixing hoop ring 66 is sleeved on the outer surface of the upper torque tube segment 61, the connecting arc segment 62 and the lower torque tube segment 63; the heat dissipation holes 67 are respectively opened on the outer surface of the upper torque tube segment 61, the connecting arc segment 62 and the lower torque tube segment 63.

[0053] As attached Figure 5As shown, in the above implementation scheme, specifically, the cantilever truss 13 includes a through hole 131, a slot hole 132, a wire restraining clamp 133, a water collecting guide 134 and a drainage pipe 135, and the through hole 131 is sequentially opened inside the cantilever truss 13; the wire restraining clamp 133 is clamped in the slot hole 132; the slot holes 132 are distributed on the lower wall of the through hole 131; the water collecting guide 134 is screwed to the lower middle position of the cantilever truss 13; the drainage pipe 135 is threadedly connected to the lower middle position of the water collecting guide 134; the drainage pipe 135 specifically adopts an "L" corrugated PVC plastic pipe.

[0054] In the above implementation scheme, specifically, the transverse axis beam 7 is inserted into the upper torque tube segment 61 , connects the arc segment 62 and the interior of the lower torque tube segment 63 , and is clamped and fixed by a connecting and fixing clamp ring 66 .

[0055] In the above embodiment, specifically, the upper torque tube segment 61, the connecting arc segment 62 and the lower torque tube segment 63 are respectively made of galvanized plates with a thickness of five millimeters to eight millimeters.

[0056] In the above implementation scheme, specifically, the upper torque tube sheet 61 and the lower torque tube sheet 63 are respectively arcuate structures of three-tenths of a circle; two connecting arcuate sheets 62 are provided; and each connecting arcuate sheet 62 is respectively an arcuate structure of one-fifth of a circle.

[0057] In the above embodiment, specifically, the connecting and fixing clamp rings 66 are provided at two ends of the upper torque tube sheet 61 and the lower torque tube sheet 63 .

[0058] In the above embodiment, specifically, the transverse axis beam 7 and the torsion tube group structure 6 pass through the through hole 131 set in the middle and are connected with the cantilever truss 13 by bolts.

[0059] In the above embodiment, specifically, a plurality of cantilever trusses 13 are provided.

[0060] As attached Figure 6 As shown, in addition, the present invention provides a novel trough collector torque tube, and the processing method thereof is:

[0061] Step 1: stamping and taking materials of torque tube assembly;

[0062] Step 2: Forming and assembling the torque tube;

[0063] Step 3: Twisting the beam forming of the tube group structure;

[0064] Step 4: Installation of trough collector support frame;

[0065] Step 5: Through-molding of cantilever trusses;

[0066] Step 6: prefabrication of the prefabricated heating device;

[0067] Step 7: Installation of trough-type heat-collecting reflective lenses;

[0068] Step 8: Installation of high-temperature collector tubes.

[0069] In the above implementation scheme, specifically, in step one, a galvanized steel plate of a certain thickness is punched and cut using a stamping die, and then drawn into shape using a stretching die, so that the upper torque tube segment 61 and the lower torque tube segment 63 are respectively arc-shaped structures of three-tenths of a circle; two connecting arc-shaped segments 62 are provided; each of the connecting arc-shaped segments 62 is respectively an arc-shaped structure of one-fifth of a circle.

[0070] In the above implementation scheme, specifically, in step one, an upper longitudinal groove 64 and a heat dissipation hole 67 are provided on the outer surface of the upper torque tube sheet 61 , the arc-shaped sheet 62 and the lower torque tube sheet 63 .

[0071] In the above implementation scheme, specifically, in step two, the upper torque tube segment 61, the connecting arc segment 62 and the lower torque tube segment 63 in step one are assembled and fixed together using the splicing ridges 65 and fixed with bolts, and the connecting and fixing clamp rings 66 are fixed at the two end positions of the torsion tube group structure 6.

[0072] In the above implementation scheme, specifically, in step three, the transverse axis beam 7 is passed through the interior of the torsion tube group structure 6 in step two, and is inserted and interference-fitted with the inner ring of the bearing seat 5 .

[0073] In the above implementation scheme, specifically, in step four, one end of the support column frame 1 is bolted to the upper part of the ground fixing plate 2, and the other end is bolted to the left and right sides of the lower part of the top mounting seat 4 to form a trough collector support frame, so that the top mounting seat 4 remains horizontal, and the ground fixing plate 2 is fixed with ground bolts or cement casting.

[0074] In the above implementation scheme, specifically, in step five, the transverse axis beam 7 and the torsion tube group structure 6 are passed through the through hole 131 provided in the middle and are bolted to the cantilever truss 13 .

[0075] In the above embodiment, specifically, in step six, the high-temperature heat collecting tube 12 is screwed to the upper inner portion of the heat collecting tube support rod 11 to form a prefabricated heating device of the collector.

[0076] In the above embodiment, specifically, in step seven, the trough-type heat-collecting reflective lens 10 is screwed to the upper part of the cantilever truss 13 .

[0077] In the above implementation scheme, specifically, in step eight, the prefabricated heating device in step six is ​​bolted and installed on the upper part of the trough collector support frame.

[0078] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" 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 referred device or element 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.

[0079] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new type of trough collector torque tube, characterized in that: The novel trough collector torque tube comprises a support column frame (1), a ground fixing plate (2), a diagonal brace rod (3), a top mounting seat (4), a bearing seat (5), a torsion tube group structure (6), a transverse axis beam (7), an adjusting hydraulic cylinder (8), a connecting ear plate (9), a trough-type heat collecting reflective lens (10), a heat collecting tube support rod (11), a high-temperature heat collecting tube (12), a cantilever truss (13), a transmission connection plate (14) and a connecting clamping plate (15). One end of the support column frame (1) is bolted to the upper part of the ground fixing plate (2), and the other end is bolted to the left and right sides of the lower part of the top mounting seat (4); the diagonal brace rod (3) is welded to the two support column frames (1). The inner side of the top mounting seat (4) is bolted to the middle of the upper part of the top mounting seat (4); the torsion tube group structure (6) is bolted to the outer side of the transverse axis beam (7); the transverse axis beam (7) is inserted into the inner ring of the bearing seat (5); the lower part of the adjusting hydraulic cylinder (8) is bolted to the lower left part of the supporting column frame (1), and the lower part of the adjusting hydraulic cylinder (8) is axially connected to the lower rear side of the connecting ear plate (9); the connecting ear plate (9) is bolted to the lower left side of the cantilever truss (13); the grooved heat collecting reflective lens (10) is screwed to the upper part of the cantilever truss (13); the heat collecting tube support rod (11) is bolted to the top The upper part of the upper mounting seat (4); the high-temperature heat collecting tube (12) is screwed to the upper inner side of the heat collecting tube support rod (11); the cantilever truss (13) is embedded in the outside of the torsion tube group structure (6); the transmission connection plate (14) is bolted to the left side of the cantilever truss (13); the connection clamping plate (15) is bolted to the right side of the cantilever truss (13); the torsion tube group structure (6) comprises an upper torque tube segment (61), a connecting arc segment (62), a lower torque tube segment (63), a longitudinal slot (64), a splicing convex strip (65), a connecting fixing hoop ring (66) and a heat dissipation hole (67); the upper torque tube segment (61) is clamped to the connecting arc segment The upper part of the sheet (62); the lower torque sheet (63) is clamped on the lower part of the connecting arc sheet (62); the longitudinal clamping groove (64) is respectively longitudinally opened on the surface of the upper torque sheet (61) and the lower torque sheet (63); the splicing convex strip (65) is respectively integrated and arranged at the connection surface of the upper torque sheet (61), the connecting arc sheet (62) and the lower torque sheet (63); the connecting fixing hoop ring (66) is sleeved on the outer surface of the upper torque sheet (61), the connecting arc sheet (62) and the lower torque sheet (63); the heat dissipation holes (67) are respectively opened on the outer surfaces of the upper torque sheet (61), the connecting arc sheet (62) and the lower torque sheet (63);The cantilever truss (13) comprises a through hole (131), a slot hole (132), a wire restraining clamp (133), a water collecting guide bucket (134) and a drainage pipe (135), wherein the through hole (131) is sequentially arranged inside the cantilever truss (13); the wire restraining clamp (133) is clamped in the slot hole (132); the slot holes (132) are arranged on the lower wall of the through hole (131); the water collecting guide bucket (134) is screwed to the middle position of the lower part of the cantilever truss (13); the drainage pipe (135) is threadedly connected to the middle position of the lower part of the water collecting guide bucket (134); the drainage pipe (135) is specifically made of an "L" corrugated PVC plastic pipe. ; The upper torque tube sheet (61), the connecting arc sheet (62) and the lower torque tube sheet (63) are respectively made of galvanized plates with a thickness of 5 mm to 8 mm; the upper torque tube sheet (61) and the lower torque tube sheet (63) are respectively arc sheet structures of 3 / 10 of a circle; two connecting arc sheets (62) are provided; each connecting arc sheet (62) is respectively an arc sheet structure of 1 / 5 of a circle; two connecting fixing hoop rings (66) are provided at both ends of the upper torque tube sheet (61) and the lower torque tube sheet (63); the transverse axis beam (7) and the torsion tube group structure (6) penetrate through the through hole (131) provided in the middle and are bolted to the cantilever truss (13). ; 2. The novel trough collector torque tube according to claim 1, characterized in that: The processing method of the novel trough collector torque tube specifically comprises the following steps: Step 1: stamping and taking out materials of torque tube assembly; Step 2: Forming and assembling the torque tube; Step 3: Twisting the beam forming of the tube group structure; Step 4: Installation of trough collector support frame; Step 5: Through-molding of cantilever trusses; Step 6: prefabrication of the prefabricated heating device; Step 7: Installation of trough-type heat-collecting reflective lenses; Step 8: Installation of high temperature heat collecting tubes; In step one, a galvanized steel sheet of a certain thickness is punched and cut using a stamping die, and then drawn and formed using a stretching die, so that the upper torque tube sheet (61) and the lower torque tube sheet (63) are respectively arcuate structures of three-tenths of a circle; two connecting arcuate sheets (62) are provided; each connecting arcuate sheet (62) is respectively an arcuate structure of one-fifth of a circle; in step one, an upper longitudinal groove (64) and a heat dissipation hole (67) are opened on the outer surfaces of the upper torque tube sheet (61), the connecting arcuate sheet (62) and the lower torque tube sheet (63).

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