CN114108921A - Small-span portal rigid frame four-slope roof structure - Google Patents
Small-span portal rigid frame four-slope roof structure Download PDFInfo
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- CN114108921A CN114108921A CN202111278339.4A CN202111278339A CN114108921A CN 114108921 A CN114108921 A CN 114108921A CN 202111278339 A CN202111278339 A CN 202111278339A CN 114108921 A CN114108921 A CN 114108921A
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- steel frame
- frame
- inclined plane
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2409—Hooks, dovetails or other interlocking connections
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
Abstract
The invention relates to the field of steel frame structure rooms, in particular to a small-span portal rigid frame four-slope roof structure. Including middle support frame, the left and right sides of middle support frame all is provided with the gate-type steelframe, middle support frame includes the middle steelframe that a plurality of horizontal equipartitions set up, middle steelframe upper end is the type of falling V, the vertical portion of steelframe in the middle of the vertical portion of gate-type steelframe and its one side to and the vertical portion of adjacent two middle steelframes all through tie-beam fixed connection down, gate-type steelframe upper end is connected through inclined plane supporting component rather than the middle steelframe upper end of one side, inclined plane supporting component and middle steelframe are through a plurality of horizontal last tie-beam fixed connection, the upper end of adjacent two middle steelframes all is through horizontal back timber fixed connection. According to the invention, the two inclined plane support assemblies can be utilized to form the roof support, the inclined plane support assemblies are convenient to manufacture, attractive in appearance and stable in structure, the fixed mounting parts are arranged on the inclined plane support assemblies, the building speed block is built, and the building cost can be reduced.
Description
Technical Field
The invention relates to the field of steel frame structure rooms, in particular to a small-span portal rigid frame four-slope roof structure.
Background
The steel frame construction room has the speed piece of building, and is with low costs, circulated use, advantages such as antidetonation is effectual, the steel frame construction room generally is provided with the roofing of four slopes, wherein two roofs constitute the roofing by rolling over the beam structure and support, consequently need set up the overall structure of many root book roof beams in order to form the roofing, to the four sloping roofs of small-span, it is not good enough pleasing to the eye and roll over beam structure atress, it is convenient inadequately during the installation, it is troublesome to roll over beam processing, thereby construction cost has been increased. The existing steel frame structure room generally utilizes a steel frame to be fixedly connected to form a supporting steel frame, the steel frame is generally fixed by welding and bolt connection during connection, and the installation process is relatively troublesome, so that the construction speed of the steel frame structure room can be influenced by utilizing the connection mode of welding fixation or bolt fixation.
Disclosure of Invention
The invention aims to solve the technical problems of simple structure, convenient assembly and disassembly, capability of forming roof support by utilizing two inclined plane support assemblies, convenience in manufacturing the inclined plane support assemblies, attractive appearance, stable structure, construction speed block and capability of reducing the construction cost.
In order to achieve the purpose, the invention provides the technical scheme that:
the utility model provides a four slope roofing structures of small-span portal rigid frame, includes middle support frame, the left and right sides of middle support frame all is provided with the portal frame, middle support frame includes the middle steelframe that a plurality of horizontal equipartitions set up, middle steelframe upper end is the type of falling V, a serial communication port, the vertical portion of steelframe in the middle of the vertical portion of portal frame and its one side to and the vertical portion of adjacent two middle steelframes all through tie-beam fixed connection down, the portal frame upper end is connected through inclined plane supporting component rather than the middle steelframe upper end of one side, inclined plane supporting component and middle steelframe are through a plurality of horizontal last tie-beam fixed connection, the upper end of adjacent two middle steelframes is all through horizontal back timber fixed connection.
The left and right sides of the vertical portion of door-type steelframe and middle steelframe all is fixed with the fixed cover of the type of falling U, the fixed draw-in groove of having seted up on sheatheeing in, it is equipped with the cover all to slide on the door-type steelframe of fixed cover top and the vertical portion of middle steelframe, the upper cover lower extreme is fixed with the lower cover, the tie-beam tip all is fixed with first otic placode down, the tip joint of tie-beam is in the draw-in groove of its one side fixed cover down, first otic placode is located fixed cover, peg graft in the lower cover fixed cover upper end, the upper cover passes through connecting bolt fixed connection with first otic placode.
Set up the recess that corresponds with last tie-beam on the inclined plane on middle steelframe upper portion, go up the tie-beam and be located the recess, the left last tie-beam lower extreme of middle steelframe all is fixed with the fixed plate, the fixed plate right-hand member all is fixed with horizontal inserted bar, set up the blind hole that corresponds with the inserted bar on the middle steelframe, the inserted bar is pegged graft in the blind hole, the equal adjustable beam head of installing of tip of going up the tie-beam, the beam head is pegged graft in the jack of its one side inclined plane supporting component.
The inclined plane supporting component comprises two inclined planes, the right ends of the two inclined planes are fixedly connected, the two inclined planes are fixedly connected through longitudinal supports, a plurality of reinforcing supports are fixed on the longitudinal supports, the right ends of the two longitudinal supports are fixedly connected with a second lug plate, the left ends of the longitudinal supports and the left ends of the reinforcing supports are both fixed with a second lug plate, supporting pieces are fixed on a portal steel frame and a middle steel frame below the second lug plate, the length of each supporting piece is larger than that of the second lug plate, the second lug plate is clamped in a groove above the supporting piece on one side of the second lug plate, a longitudinal lower sliding groove is formed in each supporting piece, a longitudinal upper sliding groove is formed in each second lug plate, an upper sliding block is clamped in the upper sliding groove, a lower sliding block is clamped in the lower sliding groove, the upper sliding block and the lower sliding block are fixedly connected through movable plates, an adjusting bolt is connected to the supporting pieces through threads, and penetrates through the lower sliding groove and is connected with the lower sliding block through threads.
The upper parts of the opposite end surfaces of the two adjacent middle steel frames are respectively fixed with a supporting plate, the end part of the top beam is positioned on the supporting plate on one side of the top beam, the upper parts of the opposite end surfaces of the two adjacent middle steel frames are respectively fixed with a positioning plate, the positioning plate is positioned on the front side of the top beam and is provided with a longitudinal through hole, the positioning plate above the through hole is provided with a vertical long groove, the groove width of the long groove is smaller than the diameter of the through hole, the top beam is provided with a groove hole corresponding to the through hole, the bottom of the groove hole is provided with a threaded hole, an inserting sleeve is inserted in the groove hole in a sliding mode and penetrates through the through hole, and the inserting sleeve is connected with the bottom of the groove hole through a spring.
The mounting screw rod penetrates through the plug bush and is in threaded connection with the threaded hole, the stop ring is fixed on the mounting screw rod, and the mounting screw rod and the stop ring are allowed to penetrate through the long groove.
Specifically, the upper end of the inclined strut is flush with the inclined plane at the upper part of the middle steel frame.
Specifically, all be fixed with two horizontal polished rods on the roof beam head, polished rod and last tie-beam sliding fit rotate on the roof beam head and are provided with adjusting screw, adjusting screw and last tie-beam threaded connection.
Specifically, the insertion holes are formed in the inclined struts.
Specifically, the supporting plate is an arc-shaped plate.
Specifically, the upper sliding groove and the lower sliding groove are dovetail grooves.
Specifically, a square block is fixed on the adjusting screw rod.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure and convenient assembly and disassembly, can utilize the two inclined plane supporting components to form roof support, has convenient manufacture of the inclined plane supporting components, attractive appearance and stable structure, is provided with fixed mounting parts on the structure, has a construction speed block, and can reduce the construction cost.
Drawings
FIG. 1 is a top view of a small-span portal rigid frame four-slope roof structure.
FIG. 2 is a schematic view of the positional relationship between the intermediate steel frame, the inclined plane support assembly and the portal steel frame.
Fig. 3 is a schematic structural view of the connection between the first ear plate and the fixing sleeve.
FIG. 4 is a side view of the connection of the upper tie beam to the mid-frame.
Fig. 5 is a schematic structural view of the upper connection beam.
Fig. 6 is a schematic structural view of the beam head and the jack.
Fig. 7 is a schematic view of the structure of the second ear plate cooperating with the bracket.
FIG. 8 is a schematic structural view of the top beam and the middle steel frame in cooperation.
Fig. 9 is a schematic structural diagram of the installation of the top beam by using the installation screw rod and the top beam.
Detailed Description
As shown in fig. 1-9, a four slope roofing structures of small-span portal rigid frame, including middle support frame, the left and right sides of middle support frame all is provided with portal steel frame 2, middle support frame includes middle steelframe 1 that a plurality of horizontal equipartitions set up, 1 upper end of middle steelframe is the type of falling V, its characterized in that, the vertical portion of steelframe 1 in the middle of the vertical portion of portal steel frame 2 and its one side, and the vertical portion of adjacent two middle steelframes 1 all through connecting-down beam 3 fixed connection, portal steel frame 2 upper end is connected through inclined plane supporting component rather than 1 upper end of middle steelframe in one side, inclined plane supporting component and middle steelframe 1 are through 4 fixed connection of a plurality of horizontal upper tie-down beams, adjacent two middle steelframe 1's upper end all through horizontal back timber 8 fixed connection.
The left and right sides of the vertical portion of door-type steelframe 2 and middle steelframe 1 all is fixed with the fixed cover 9 of the type of falling U, draw-in groove 10 has been seted up on the fixed cover 9, it is equipped with cover 13 all to slide on the door-type steelframe 2 of fixed cover 9 top and the vertical portion of middle steelframe 1, cover 13 lower extreme is fixed with lower cover 12, 3 tip of lower tie-beam all is fixed with first otic placode 11, the tip joint of lower tie-beam 3 is in the draw-in groove 10 of its side fixed cover 9, first otic placode 11 is located fixed cover 9, peg graft in lower cover 12 fixed cover 9 upper end, go up cover 13 and first otic placode 11 and pass through connecting bolt 14 fixed connection.
The inclined plane on middle steelframe 1 upper portion is seted up the recess 15 that corresponds with last tie-beam 4, goes up tie-beam 4 and is located recess 15, and the left last tie-beam 4 lower extreme of middle steelframe 1 all is fixed with fixed plate 17, and fixed plate 17 right-hand member all is fixed with horizontal inserted bar 18, has seted up the blind hole 16 that corresponds with inserted bar 18 on middle steelframe 1, and inserted bar 18 pegs graft in blind hole 16, and the tip of going up tie-beam 4 all can be adjusted and install beam head 19, all be fixed with two horizontal polished rods 20 on the beam head 19, polished rod 20 and last tie-beam 4 sliding fit rotate on the beam head 19 and be provided with adjusting screw 21, be fixed with square 22 on adjusting screw 21, adjusting screw 21 and last tie-beam 4 threaded connection, beam head 19 pegs graft in the jack 23 of its one side inclined plane supporting component.
The inclined plane supporting component comprises two inclined planes 5, the jacks 23 are arranged on the inclined planes 5, the upper ends of the inclined planes 5 are flush with the inclined plane at the upper part of the middle steel frame 1, the right ends of the two inclined planes 5 are fixedly connected, the two inclined planes 5 are fixedly connected through the longitudinal support 6, the longitudinal support 6 is fixedly provided with a plurality of reinforcing supports 7, the right ends of the two longitudinal supports 6 are fixedly connected with a second lug plate 24, the left ends of the longitudinal support 6 and the reinforcing supports 7 are respectively fixedly provided with a second lug plate 24, the portal steel frame 2 below the second lug plate 24 and the middle steel frame 1 are respectively fixedly provided with a support piece 25, the length of the support piece 25 is larger than that of the second lug plate 24, the second lug plate 24 is clamped in a groove above the support piece 25 at one side of the second lug plate, the support piece 25 is provided with a longitudinal lower sliding groove 29, the second lug plate 24 is provided with a longitudinal upper sliding groove 31, the upper sliding groove 31 and the lower sliding groove 29 are both dovetail grooves, and the upper sliding block 30 is clamped in the upper sliding groove 31, the lower sliding block 27 is slidably clamped in the lower sliding groove 29, the upper sliding block 30 and the lower sliding block 27 are fixedly connected through the movable plate 26, the supporting piece 25 is in threaded connection with an adjusting bolt 28, the adjusting bolt 28 penetrates through the lower sliding groove 29, and the adjusting bolt 28 is in threaded connection with the lower sliding block 27.
The upper parts of the opposite end surfaces of the two adjacent middle steel frames 1 are fixed with supporting plates 32, the supporting plates 32 are arc-shaped plates, the end part of the top beam 8 is positioned on the supporting plate 32 on one side of the top beam, the upper parts of the opposite end surfaces of the two adjacent middle steel frames 1 are fixed with positioning plates 33, the positioning plates 33 are positioned on the front side of the top beam 8, longitudinal through holes 34 are formed in the positioning plates 33, vertical long grooves 25 are formed in the positioning plates 33 above the through holes 34, the groove width of each long groove 25 is smaller than the diameter of each through hole 34, the top beam 8 is provided with a groove hole 36 corresponding to the through hole 34, the hole bottom of each groove hole 36 is provided with a threaded hole 37, an inserting sleeve 38 is inserted in each groove hole 36 in a sliding mode, the inserting sleeve 38 penetrates through the through holes 34, and the inserting sleeve 38 is connected with the hole bottom of each groove hole 36 through a spring 39.
The mounting device also comprises a mounting screw 40 which penetrates through the plug bush 38 and is in threaded connection with the threaded hole 37, a stop ring 41 is fixed on the mounting screw 40, and the mounting screw 40 and the stop ring 41 are allowed to penetrate through the long groove 35.
When the small-span portal rigid frame four-slope house is installed, the portal steel frame 2 and the middle steel frame 1 are positioned, then the lower connecting beam 3 is installed, when the lower connecting beam 3 is installed, the lower sleeve 12 and the upper sleeve 13 are enabled to ascend, the end part of the lower connecting beam 3 is clamped in the clamping groove 10 of the fixing sleeve 9 on one side of the lower connecting beam, the first lug plate 11 is located in the fixing sleeve 9, then the upper sleeve 13 and the lower sleeve 12 are enabled to descend, the upper end of the fixing sleeve 9 is inserted in the lower sleeve 12, the lower sleeve 12 can protect the fixing sleeve 9, the fixing sleeve 9 is prevented from being pulled and deformed after the lower connecting beam 3 is subjected to tensile force, and then the connecting bolt 14 is in threaded connection with the first lug plate 11, so that the installation of the lower connecting beam 3 is realized; after the lower connecting beam 3 is connected, the inclined plane supporting assembly is installed, when the inclined plane assembly is installed, the second lug plate 24 is clamped in a groove above the supporting piece 25 on one side of the second lug plate, then the adjusting bolt 28 is rotated, the upper sliding block 30, the lower sliding block 27 and the movable plate 26 move until the upper sliding block 30 is clamped in the upper sliding groove 31, at the moment, the second lug plate 24 is fixed, the installation of the inclined plane supporting assembly is completed, and the inclined plane supporting assembly forms an inclined roof support; then, the upper connecting beam 4 is installed, when the upper connecting beam 4 is installed, the upper connecting beam 4 is located in the groove 15, the fixing plate 17 is located on the left side of the middle steel frame 1, the upper connecting beam 4 moves towards the right side, the inserting rod 18 is inserted into the blind hole 16, then the adjusting screw 21 is rotated through the square block 22, the beam head 19 is far away from the upper connecting beam 4, and after the beam head 19 is inserted into the inserting hole 23 of the inclined strut 5, the upper connecting beam 4 is installed; then the top beam 8 is installed, when the top beam 8 is installed, the top beam 8 is located between the upper ends of two adjacent intermediate steel frames 1, the supporting plate 32 supports the end portion of the top beam 8 on one side of the top beam 8, the end portion of the top beam 8 is supported through the supporting plate 32, installation of the top beam 8 can be facilitated, then the installation screw 40 penetrates through the plug bush 38 and the spring 39 and is in threaded connection with the threaded hole 37, the installation screw 40 is rotated, the installation screw 40 rotates downwards, the baffle ring 41 can push the plug bush 38 to completely enter the slotted hole 36, then the top beam 8 rotates through the installation screw 40, the installation screw 40 can penetrate through the elongated slot 35 and enter the through hole 36, when the plug bush 38 corresponds to the through hole 34, the installation screw 40 is detached, the plug bush 38 is restored and penetrates through the through hole 34 under the elastic force of the spring 39, and installation of the top beam 8 is completed. The invention has simple structure and convenient assembly and disassembly, can utilize the two inclined plane supporting components to form roof support, has convenient manufacture of the inclined plane supporting components, attractive appearance and stable structure, is provided with fixed mounting parts on the structure, has a construction speed block, and can reduce the construction cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A small-span portal rigid frame four-slope roof structure comprises a middle support frame, wherein portal steel frames are arranged on the left side and the right side of the middle support frame respectively, the middle support frame comprises a plurality of middle steel frames which are transversely and uniformly distributed, the upper end of each middle steel frame is inverted V-shaped, the small-span portal rigid frame four-slope roof structure is characterized in that the vertical part of each portal steel frame, the vertical part of the middle steel frame on one side of each portal steel frame and the vertical part of each middle steel frame on the other side of each portal steel frame are fixedly connected through lower connecting beams, the upper end of each portal steel frame is connected with the upper end of the middle steel frame on one side of each portal steel frame through an inclined plane supporting component, each inclined plane supporting component and each middle steel frame are fixedly connected through a plurality of transverse upper connecting beams, and the upper ends of the two adjacent middle steel frames are fixedly connected through transverse top beams;
the left side and the right side of the vertical part of the door type steel frame and the middle steel frame are both fixed with inverted U-shaped fixed sleeves, the fixed sleeves are provided with clamping grooves, the door type steel frame above the fixed sleeves and the vertical part of the middle steel frame are both slidably sleeved with upper sleeves, the lower ends of the upper sleeves are fixed with lower sleeves, the end parts of the lower connecting beams are both fixed with first lug plates, the end parts of the lower connecting beams are clamped in the clamping grooves of the fixed sleeves on one sides of the lower connecting beams, the first lug plates are positioned in the fixed sleeves, the upper ends of the fixed sleeves are inserted in the lower sleeves, and the upper sleeves are fixedly connected with the first lug plates through connecting bolts;
a groove corresponding to the upper connecting beam is formed in the inclined plane of the upper portion of the middle steel frame, the upper connecting beam is located in the groove, a fixing plate is fixed at the lower end of the upper connecting beam on the left side of the middle steel frame, a transverse inserting rod is fixed at the right end of the fixing plate, a blind hole corresponding to the inserting rod is formed in the middle steel frame, the inserting rod is inserted into the blind hole, a beam head is adjustably mounted at the end portion of the upper connecting beam, and the beam head is inserted into the inserting hole of the inclined plane supporting assembly on one side of the upper connecting beam;
the inclined plane supporting assembly comprises two inclined planes, the right ends of the two inclined planes are fixedly connected, the two inclined planes are fixedly connected through longitudinal supports, a plurality of reinforcing supports are fixed on the longitudinal supports, the right ends of the two longitudinal supports are fixedly connected with a second lug plate, the left ends of the longitudinal supports and the left ends of the reinforcing supports are both fixed with a second lug plate, supporting pieces are fixed on a portal steel frame and a middle steel frame below the second lug plate, the length of each supporting piece is greater than that of the second lug plate, the second lug plate is clamped in a groove above the supporting piece on one side of the second lug plate, a longitudinal lower chute is formed in each supporting piece, a longitudinal upper chute is formed in each second lug plate, an upper sliding block is clamped in the upper chute in a sliding manner, a lower sliding block is clamped in the lower chute in a sliding manner, the upper sliding block and the lower sliding block are fixedly connected through a movable plate, an adjusting bolt is connected to the supporting pieces in a threaded manner, and penetrates through the lower chute and is in threaded connection with the lower sliding block;
the upper parts of the opposite end surfaces of the two adjacent middle steel frames are fixed with supporting plates, the end parts of the top beams are positioned on the supporting plates on one side of the top beams, the upper parts of the opposite end surfaces of the two adjacent middle steel frames are fixed with positioning plates, the positioning plates are positioned on the front sides of the top beams and provided with longitudinal through holes, the positioning plates above the through holes are provided with vertical long grooves, the groove widths of the long grooves are smaller than the diameters of the through holes, the top beams are provided with slotted holes corresponding to the through holes, threaded holes are formed in the hole bottoms of the slotted holes, inserting sleeves are inserted in the slotted holes in a sliding mode and penetrate through the through holes, and the inserting sleeves are connected with the hole bottoms of the slotted holes through springs;
the mounting screw rod penetrates through the plug bush and is in threaded connection with the threaded hole, the stop ring is fixed on the mounting screw rod, and the mounting screw rod and the stop ring are allowed to penetrate through the long groove.
2. The small-span portal rigid frame four-slope roof structure as claimed in claim 1, wherein the upper ends of the diagonal braces are flush with the inclined plane of the upper part of the middle steel frame.
3. The small-span portal rigid frame four-slope roof structure as claimed in claim 1, wherein two transverse polish rods are fixed on each beam head, the polish rods are in sliding fit with the upper connecting beam, and adjusting screws are rotatably arranged on the beam heads and are in threaded connection with the upper connecting beam.
4. The small-span portal rigid frame tetrapack roofing structure of claim 1, wherein the insertion holes are opened on the diagonal braces.
5. The small-span portal rigid frame four-slope roof structure as claimed in claim 1, wherein the supporting plate is an arc-shaped plate.
6. The small-span portal rigid frame four-slope roof structure as claimed in claim 1, wherein the upper and lower chutes are dovetail grooves.
7. The small-span portal rigid frame four-slope roof structure as claimed in claim 3, wherein the adjusting screw is fixed with a square block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278339.4A CN114108921B (en) | 2021-10-30 | 2021-10-30 | Small-span portal rigid frame four-slope roof structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111278339.4A CN114108921B (en) | 2021-10-30 | 2021-10-30 | Small-span portal rigid frame four-slope roof structure |
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| Publication Number | Publication Date |
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| CN114108921A true CN114108921A (en) | 2022-03-01 |
| CN114108921B CN114108921B (en) | 2023-03-03 |
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| CN114108921B (en) | 2023-03-03 |
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