CN111593895A - Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss - Google Patents
Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss Download PDFInfo
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- CN111593895A CN111593895A CN202010471914.1A CN202010471914A CN111593895A CN 111593895 A CN111593895 A CN 111593895A CN 202010471914 A CN202010471914 A CN 202010471914A CN 111593895 A CN111593895 A CN 111593895A
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- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009435 building construction Methods 0.000 description 3
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
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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
- E04B1/19—Three-dimensional framework structures
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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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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Abstract
The invention provides an adjustable assembling jig frame for a large-span variable-section inverted triangular pipe truss, which comprises a plurality of supporting brackets and a plurality of inverted triangular trusses, wherein each supporting bracket comprises two vertical brackets which are vertically arranged and two oblique brackets which are positioned between the two vertical brackets; the inverted triangular truss further comprises three transverse trusses extending in the second transverse direction, namely a first transverse truss, a second transverse truss and a third transverse truss, the third transverse truss is connected with the transverse support through a second adjusting structure, and the first transverse direction, the second transverse direction and the vertical direction are perpendicular to each other. Through the assembling jig frame, the technical problem that assembling and transporting are difficult in the prior art can be solved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to an adjustable assembling jig frame for a large-span variable-cross-section inverted triangular pipe truss.
Background
Along with the rapid development of economy and urban public construction, the modernization degree is required to be higher and higher, buildings such as large-scale performances and exhibitions are developed greatly, steel structures are also in line with the social requirements and the continuous rapid development of technical reform, the steel structures are applied to the building design more and more widely, a plurality of advantages of the steel structures are reflected, and the large-span inverted triangular truss is used as a novel combined structure, is mainly used for large-scale public technology buildings such as large-scale exhibition halls and exhibition centers and is widely applied to large-span and large-space structures, has the advantages of attractive appearance, high bearing capacity, good ductility, excellent earthquake resistance, strong fire resistance and fire resistance of steel pipes, large span, large space and the like, and is widely used. In engineering practice, most of the construction sites are assembled by adopting parts, but the cross section is large, long-distance transportation is difficult, most of the engineering adopts a steel pipe form, the pipes are intersected, the assembling precision is difficult to control, the building of a jig frame is complex, the jig frame is not adjustable and reusable, multiple measurements are required, and waste of people, materials and machines in different degrees is caused.
Disclosure of Invention
Based on the current situation, the invention mainly aims to provide an adjustable assembling jig frame for a large-span variable-section inverted-triangular pipe truss, so as to solve the technical problem that assembling and transportation are difficult in the prior art.
In order to achieve the above object, in one aspect, the invention adopts the following technical scheme:
the assembly jig frame comprises a plurality of supporting brackets and a plurality of inverted triangular trusses, wherein each supporting bracket comprises two vertically arranged vertical brackets and two inclined brackets positioned between the two vertical brackets, the inclined brackets are connected with the vertical brackets close to the inclined brackets, the supporting brackets further comprise transverse brackets extending along a first transverse direction, the vertical brackets and the inclined brackets are connected with the transverse brackets, the first ends of the vertical brackets are connected with the end positions of the transverse brackets, the second ends of the vertical brackets are connected with the first ends of the inclined brackets, the second ends of the inclined brackets are connected with the middle positions of the transverse brackets, the inverted triangular trusses comprise first trusses parallel to the extending direction of the transverse brackets and two second trusses parallel to the two inclined brackets respectively, the second truss is connected with the inclined bracket through a first adjusting structure; the inverted triangular truss further comprises three transverse trusses extending transversely along the second direction and marked as a first transverse truss, a second transverse truss and a third transverse truss, the inverted triangular trusses are connected through the transverse trusses, in each inverted triangular truss, the three transverse trusses are located at three vertex angles of the inverted triangular trusses respectively, two ends of the first truss are connected with first ends of the two second trusses through the first transverse trusses and the second transverse trusses respectively, second ends of the two second trusses are connected through the third transverse trusses, the third transverse trusses are connected with the transverse supports through the second adjusting structures, and the first transverse trusses, the second transverse trusses and the vertical transverse trusses are perpendicular to each other.
Preferably, first regulation structure includes first adjusting nut and fixed connection's crescent regulating plate and positioning bottom plate, crescent regulating plate with positioning bottom plate sets up perpendicularly, the second truss with crescent regulating plate contacts, the slant support slant is connected dull and stereotypedly, four end angular position of positioning bottom plate all are provided with first connecting hole, be provided with on the slant connecting plate with first connecting hole matched with first mating holes, positioning bottom plate with the slant connecting plate passes through first adjusting nut inserts first connecting hole with fixed connection is realized to first mating holes.
Preferably, the second truss is the pipe, the crescent regulating plate is provided with the crescent breach, the radian of crescent breach with the radian looks adaptation of second truss, the second truss is located in the crescent breach.
Preferably, the second truss is the pipe, the crescent moon regulating plate is first regulation arc, the radian of first regulation arc with the radian looks adaptation of second truss, the second truss is located in the arc wall that first regulation arc formed.
Preferably, the second adjusting structure comprises a second adjusting nut and a mounting base plate, the third transverse truss is fixedly connected with the mounting base plate, the four end corner positions of the mounting base plate are provided with second connecting holes, the transverse support comprises a transverse connecting flat plate, a second matching hole matched with the second connecting hole is formed in the transverse connecting flat plate, and the mounting base plate is fixedly connected with the transverse connecting flat plate through the second adjusting nut.
Preferably, the third horizontal truss is the pipe, the second is adjusted the structure and is included second adjusting nut, mounting plate and second regulation arc, the radian of second regulation arc with the radian looks adaptation of the horizontal truss of third, the horizontal truss of third is located in the arc wall that the second regulation arc formed, the second adjust the arc with mounting plate fixed connection, four end angular position of mounting plate are provided with the second connecting hole, horizontal support includes the transverse connection flat board, be provided with on the transverse connection flat board with second connecting hole matched with second mating holes, mounting plate with the transverse connection flat board passes through second adjusting nut passes the second connecting hole with second mating holes realizes fixed connection.
Preferably, a third adjusting structure is arranged between the adjacent support brackets, and the third adjusting structure is used for adjusting a second transverse distance between the adjacent support brackets.
Preferably, the third adjusting structure comprises a first sleeve and a second sleeve which are sleeved, two adjacent supporting brackets are respectively connected with the first ends of the first sleeves, the second ends of the first sleeves are connected through the second sleeve, a plurality of positioning holes are formed in the first sleeves, third matching holes matched with the first positioning holes are formed in the second sleeves, and the other ends of the first sleeves and the other ends of the second sleeves are inserted into the positioning holes and the third matching holes through positioning pins to realize fixed connection.
Preferably, two of the third adjustment structures are disposed between each pair of adjacent support brackets, one of the two third adjustment structures being connected to the first end of the adjacent transverse bracket and the other of the two third adjustment structures being connected to the second end of the adjacent transverse bracket.
Preferably, the assembling jig frame further comprises a base, and the transverse support is mounted on the base.
The invention provides an adjustable assembling jig frame for a large-span variable-section inverted triangular pipe truss, which can be used for simultaneously and respectively processing and manufacturing a support frame and an inverted triangular truss by arranging an assembling structure of the support frame and the inverted triangular truss, so that the manufacturing efficiency is improved; the assembly jig frame belongs to a forward assembly mode of an inverted triangular truss, is superior to side assembly and inverted assembly, accords with the forward thinking of building construction and building workers, can save mechanical cost and labor cost, and avoids the process of turning a lower tire of a component; the assembly precision can be improved to a great extent by arranging the first adjusting structure and the second adjusting structure, and the assembly is more convenient; the adjustable assembling jig frame of the large-span variable cross-section inverted triangular pipe truss is simple in overall structure, easy to process, low in processing cost, suitable for being applied to construction sites, and remarkable in economic benefit.
Drawings
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. In the figure:
FIG. 1 is a schematic structural view of a preferred embodiment of a spliced jig frame provided by the present invention;
FIG. 2 is a side view of a preferred embodiment of a split jig frame provided by the present invention;
FIG. 3 is a schematic structural view of a preferred embodiment of a first adjustment mechanism provided in accordance with the present invention;
FIG. 4 is a schematic structural view of a preferred embodiment of a second adjustment mechanism provided in accordance with the present invention;
fig. 5 is a schematic structural diagram of a preferred embodiment of a third adjustment structure provided by the present invention.
In the figure:
1. a support bracket; 11. a vertical support; 12. an oblique bracket; 121. obliquely connecting the flat plates; 13. a transverse support; 131. transversely connecting the flat plates; 2. an inverted triangular truss; 21. a first truss; 22. a second truss; 23. a transverse truss; 231. a first transverse truss; 232. a second transverse truss; 233. a third transverse truss; 24. reinforcing the truss; 3. a base; 4. a first adjustment structure; 41. a first adjusting nut; 42. a crescent regulating plate; 43. positioning the bottom plate; 5. a second adjustment structure; 51. a second adjusting nut; 52. mounting a bottom plate; 6. a third adjustment structure; 61. a first sleeve; 62. a second sleeve.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the nature of the present invention, well-known methods, procedures, and components have not been described in detail.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustration purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 and 2, the invention provides an adjustable assembling jig frame of a large-span variable cross-section inverted triangular pipe truss, which comprises a plurality of support brackets 1 and a plurality of inverted triangular trusses 2, such as inverted triangular pipe trusses, wherein two parts of structures can be operated simultaneously, so that the assembling precision, the construction safety and the construction efficiency are greatly improved. Support holder 1 includes two vertical support 11 of vertical setting and is located two diagonal braces 12 between two vertical support 11, diagonal brace 12 is close to rather than vertical support 11 links to each other, support holder 1 still includes along the horizontal support 13 of first horizontal extension, vertical support 11 with diagonal brace 12 all with horizontal support 13 links to each other, vertical support 11's first end with the tip position of horizontal support 13 links to each other, the second end with the first end of diagonal brace 12 links to each other, diagonal brace 12's second end with the middle part position of horizontal support 13 links to each other to improve the structural stability of whole support holder 1, provide better support and fixed action for inverted-triangular truss 2.
Referring to fig. 1 and 2, the inverted triangular truss 2 includes a first truss 21 parallel to the extending direction of the transverse support 13 and two second trusses 22 respectively arranged in parallel to the two diagonal supports 12, and the second trusses 22 are connected to the diagonal supports 12 through the first adjusting structure 4, so that the diagonal supports 12 have a better supporting effect on the second trusses 22, and meanwhile, the placement position of the inverted triangular truss 2 can be better ensured through the first adjusting structure 4, for example, the levelness of a supporting surface on the inverted triangular truss 2 can be better ensured, and thus the assembling precision of the assembling jig is improved; the inverted triangular truss 2 further comprises three transverse trusses 23 extending along a second transverse direction, which are referred to as a first transverse truss 231, a second transverse truss 232 and a third transverse truss 233, wherein a plurality of inverted triangular trusses 2 are connected through the transverse trusses 23, in each inverted triangular truss 2, the three transverse trusses 23 are respectively located at three vertex angles of the inverted triangular truss 2, two ends of the first truss 21 are connected with first ends of the two second trusses 22 through the first transverse truss 231 and the second transverse truss 232 respectively, and second ends of the two second trusses 22 are connected through the third transverse truss 233, so as to ensure structural stability of the whole inverted triangular truss 2; in addition, the third transverse truss 233 is connected with the transverse support 13 through the second adjusting structure 5, the first transverse direction, the second transverse direction and the vertical mutual perpendicular, the second adjusting structure 5 can adjust the distance between the inverted triangular truss 2 and the transverse support 13, namely, the height of the inverted triangular truss 2 can be adjusted, so that the assembling is facilitated, and the assembling precision of the assembling jig frame is better guaranteed.
Specifically, referring to fig. 1 and 2, the first transverse truss 231, the second transverse truss 232 and the first truss 21 are used for forming an upper chord plane truss of the inverted triangle truss 2, the second truss 22 is used for forming a web member of the inverted triangle truss 2, the third transverse truss 233 is used for forming a lower chord member of the inverted triangle truss 2, further, the upper chord plane truss further comprises a strengthening truss 24, and the strengthening truss 24 is positioned between the first transverse truss 231 and the second transverse truss 232 and used for strengthening the structural strength of the whole upper chord plane truss; when the truss is machined and manufactured, the upper chord plane truss, the web member and the lower chord member can be operated simultaneously, and the efficiency is improved.
The adjustable splicing jig frame of the large-span variable-section inverted triangular pipe truss can simultaneously and respectively process and manufacture the support frame and the inverted triangular truss 2 through the assembly structure of the support frame 1 and the inverted triangular truss 2, so that the manufacturing efficiency is improved; the adjustable assembling jig frame of the large-span variable-section inverted triangular pipe truss belongs to a positive assembling mode of an inverted triangular truss 2, is superior to lateral assembling and inverted assembling, accords with the forward thinking of building construction and building workers, can save mechanical cost and labor cost, and avoids the process of turning a lower tire of a component; the first adjusting structure 4 and the second adjusting structure 5 are arranged, so that the assembling precision can be improved to a great extent, and the assembling is more convenient; the adjustable assembling jig frame of the large-span variable cross-section inverted triangular pipe truss is simple in overall structure, easy to process, low in processing cost, suitable for being applied to construction sites, and remarkable in economic benefit.
Further, referring to fig. 3, the first adjusting structure 4 includes a first adjusting nut 41 and a crescent adjusting plate 42 and a positioning bottom plate 43 which are fixedly connected, the crescent adjusting plate 42 is perpendicular to the positioning bottom plate 43, and the second truss 22 is in contact with the crescent adjusting plate 42 and is located in a crescent groove of the crescent adjusting plate 42, so as to improve the connection stability. Dull and stereotyped 121 is connected to 12 slants of slant support, four end angle positions of positioning bottom plate 43 all are provided with first connecting hole, be provided with on the slant connecting plate 121 with first connecting hole matched with first mating holes, positioning bottom plate 43 with dull and stereotyped 121 is connected to the slant passes through first adjusting nut 41 inserts first connecting hole with fixed connection is realized to first mating holes, can adjust crescent regulating plate 42's position and angle through adjusting above-mentioned first adjusting nut 41, and then improves the precision of assembling of this position, ensures to assemble the good use of bed-jig.
In one embodiment, referring to fig. 3, the second truss 22 is a circular tube, the crescent adjustment plate 42 is provided with a crescent notch, the radian of the crescent notch matches with the radian of the second truss 22, and the second truss 22 is located in the crescent notch. In an alternative embodiment, the second truss 22 is a circular tube, the crescent adjustment plate 42 is a first adjustment arc (not shown in the figure), the radian of the first adjustment arc is matched with the radian of the second truss 22, the second truss 22 is located in an arc groove formed by the first adjustment arc, and the structural form of the first adjustment arc can improve the contact area between the crescent adjustment plate 42 and the second truss 22, so as to achieve a good supporting effect.
Further, referring to fig. 4, the second adjusting structure 5 includes a second adjusting nut 51 and a mounting base plate 52, the third transverse truss 233 is fixedly connected to the mounting base plate 52, and the mounting base plate 52 can stably support the third transverse truss 233. Four end angle positions of mounting plate 52 are provided with the second connecting hole, horizontal support 13 includes horizontal connection flat board 131, be provided with on the horizontal connection flat board 131 with second connecting hole matched with second mating holes, mounting plate 52 with horizontal connection flat board 131 passes through second adjusting nut 51 pass the second connecting hole with second mating holes realizes fixed connection, adjusts mounting plate 52's position through adjusting second adjusting nut 51, and then adjusts the position of third horizontal truss 233, and then adjusts the position of inverted triangle truss 2 to be convenient for improve the whole precision of assembling the bed-jig.
In a preferred embodiment, the third transversal truss 233 is a round pipe, the second adjusting structure 5 includes a second adjusting nut 51, a mounting base plate 52 and a second adjusting arc plate (not shown), the arc of the second adjusting arc is matched with the arc of the third transverse truss 233, the third transverse truss 233 is positioned in the arc-shaped slot formed by the second adjusting arc-shaped plate, the second adjusting arc-shaped plate is fixedly connected with the mounting bottom plate 52, the four corner positions of the mounting base plate 52 are provided with second connecting holes, the transverse bracket 13 comprises a transverse connecting flat plate 131, the transverse connection plate 131 is provided with a second fitting hole which is fitted with the second connecting hole, the mounting base plate 52 and the transverse connection plate 131 are fixedly connected through the second adjusting nut 51 passing through the second connection hole and the second mating hole. This structure also can play the effect that improves the precision of assembling the bed-jig through second adjusting nut 51, simultaneously, can improve the supporting effect to the third transverse truss 233 of pipe form through setting up the second and adjust the arc, and then improve the stability of whole structure.
Further, referring to fig. 1 and 5, a third adjusting structure 6 is disposed between adjacent support brackets 1, the third adjusting structure 6 is used for adjusting a second transverse distance between adjacent support brackets 1, specifically, the third adjusting structure 6 includes a first sleeve 61 and a second sleeve 62 that are sleeved, two adjacent support brackets 1 are respectively connected to first ends of the two first sleeves 61, a second end of the first sleeve 61 is connected to the second sleeve 62, a plurality of positioning holes are disposed on the first sleeve 61, a third mating hole that is mated with the first positioning hole is disposed on the second sleeve 62, and the other end of the first sleeve 61 and the other end of the second sleeve 62 are inserted into the positioning holes and the third mating hole through a positioning pin (not shown in the figure) to achieve fixed connection. Through the mutual cooperation of the third adjusting structure 6, the second adjusting structure 5 and the first adjusting structure 4, a plurality of directions for assembling the jig frame can be adjusted, and the assembling precision of the assembling jig frame is well improved. Furthermore, two third adjusting structures 6 are arranged between each pair of adjacent supporting brackets 1, one of the two third adjusting structures 6 is connected with the first end of the adjacent transverse bracket 13, and the other of the two third adjusting structures 6 is connected with the second end of the adjacent transverse bracket 13, so as to improve the structural stability of the whole assembly jig frame. Furthermore, the assembling jig frame further comprises a base 3, and the transverse support 13 is mounted on the base 3, for example, the base 3 is a concrete base 3, so that the structural stability of the assembling jig frame is further improved.
In one embodiment, referring to fig. 1-5, the invention provides a large-span, variable cross-section inverted triangular truss pipe frame, fast adjustable assembly jig frame, comprising a base 3 with embedded bolts and concrete, an inverted triangular pipe truss with a right assembly jig frame and a variable cross-section of a triangle above the base, the size of the base 3 is set according to the node distance of the pipe truss, relatively parallel steel folding beams (a vertical bracket 11 and an oblique bracket 12) vertical to the base 3 are connected with the base 3 through bolts, a first adjusting structure 4 with a crescent adjusting plate 42 and web members (a second truss 22) of the inverted triangular pipe truss connected with the first adjusting structure 4 are fixed on one side of the steel folding beams, an arching degree adjusting device (a second adjusting structure 5) is installed at the central position of the base 3, a length adjusting device (a third adjusting structure 6) is installed in parallel between every two bases 3, comprises an outer square steel sleeve, an inner square steel sleeve and a pin. Specifically, the embedded bolt is phi 20-24, and double nuts are arranged on the upper portion of the embedded bolt. The transverse support 13 is made of hot-rolled wide-flange H-shaped steel, and the steel folded beam is made of H-shaped steel or channel steel.
Referring to fig. 3, first regulation structure 4 contains the crescent regulating plate 42 that thickness is 8 ~ 10mm, cuts out the crescent breach according to the radian of web member on crescent regulating plate 42, be a bit bigger than the web member radian can, the lower part installation perpendicular to crescent regulating plate 42's positioning bottom plate 43, positioning bottom plate 43 thickness 10 ~ 12mm, on positioning bottom plate 43 with the steel book roof beam connect one side drill out 4 phi 16 ~ 18 regulation holes, use adjusting nut's principle to carry out angle modulation.
Referring to fig. 4, the camber adjusting device comprises a camber adjusting plate (mounting base plate 52) with the thickness of 8-10 mm, 4 phi 16-18 adjusting holes are drilled on the camber adjusting plate and on the side connected with the flange plate on the base 3, and camber adjustment is performed by using the principle of an adjusting nut.
Referring to fig. 5, the length adjusting device comprises an outer square steel sleeve, an inner square steel sleeve and pins, wherein a fixing hole with the diameter of 20-24 mm is drilled in the upper portion of the outer square steel sleeve and the upper portion of the inner square steel sleeve every 100mm, when the length needs to be adjusted, the steel pipe can be stretched, and after the adjustment is finished, the steel pipe is fixed by the pins.
Referring to fig. 1-5, the implementation method and the operation process of the adjustable splicing jig frame of the large-span variable cross-section inverted-triangular pipe truss are roughly as follows:
1. and determining an assembly site according to the space size of the truss, the size of a jig frame, the lifting height, the transportation mode, the route and the like, establishing a takela model, and performing simulation construction. And after the assembly is completed, selecting a portal crane with a proper assembly site and a proper installation hoisting height.
2. According to the node spacing of the inverted triangular pipe truss and a sectional transportation or integral transportation scheme, a bolt fixing frame is manufactured, after the embedded bolts are fixed well, the concrete base 3 is poured, and the surface is smoothed and finished.
3. Leveling the embedded bolt, installing a transverse support 13 and a camber adjusting device, and rechecking the dimensional elevation by using a leveling instrument.
4. And (4) mounting the steel folded beam according to the prefabricated mounting bolt hole, mounting a first adjusting structure 4 at the inner side steel folded beam, and rechecking by using an instrument.
5. After the transverse supports 13, the folding beams and the like are installed, length adjusting devices are installed in parallel between every two transverse supports 13, the length is adjusted according to requirements, and the transverse supports are fixed through pins.
6. After the assembly of the assembly type adjustable assembling jig frame is finished, a lower chord (a third transverse truss 233) is placed above the camber adjusting device, a web member is placed at the crescent adjusting plate 42 on one side of the steel folding beam, and at the moment, the upper chord plane truss (the other part of the inverted triangular truss 2) is assembled on the ground at the same time.
7. And after the placement is finished, adjusting, positioning and welding, and then connecting the assembled upper chord plane truss with the web members and the lower chord members, and integrally welding.
8. During transportation, the head-tail assembly type jig frame is used as a transportation frame according to the segmentation requirements.
The beneficial effect of this patent is:
1. this patent provides one kind and has new mode of assembling, falls into holistic inverted triangle truss 2 into last quarter plane truss and last quarter, web member part, but simultaneous working makes and assembles precision, construction safety and efficiency of construction obtain very big improvement.
2. This patent wholly adopts the assembled, and many out of node adopts bolted connection, but space angle, length are adjustable, and is portable, repeatedly usable, once recheck back need not to measure unwrapping wire and equipment many times
3. After the welding is assembled to this patent, can dismantle truss head and the tail according to the segmentation requirement for the transportation frame, safety, convenient, and can guarantee the precision.
4. This patent provides a just piece together mode of triangle pipe truss falls, is superior to the side and pieces together and fall, accords with building construction and construction worker's cisoid thinking. Not only saves the mechanical and labor cost, avoids the process of turning the lower tire of the component, but also utilizes the ground to position and weld the support bracket 1 and the installation truss.
5. This patent adopts first regulation structure 4, arching adjusting device and length adjusting device etc. at the implementation in-process on the basis of assembled, and to a great extent has improved the precision of assembling.
6. The device has the advantages of simple structure, easy processing and low processing cost, and is suitable for application in construction sites.
The adjustable assembling jig frame of the large-span variable cross-section inverted triangular pipe truss is simple in overall structure, easy to process, low in processing cost, suitable for being applied to construction sites, and remarkable in economic benefit.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (10)
1. The adjustable assembling jig frame of the large-span variable cross-section inverted triangular pipe truss is characterized by comprising a plurality of supporting brackets and a plurality of inverted triangular trusses, wherein each supporting bracket comprises two vertical brackets which are vertically arranged and two inclined brackets which are positioned between the two vertical brackets, each inclined bracket is connected with the vertical bracket which is close to the inclined bracket, each supporting bracket also comprises a transverse bracket which extends along a first transverse direction, each vertical bracket and each inclined bracket are connected with the corresponding transverse bracket, the first end of each vertical bracket is connected with the end part of each transverse bracket, the second end of each inclined bracket is connected with the first end of each inclined bracket, the second end of each inclined bracket is connected with the middle part of each transverse bracket, each inverted triangular truss comprises a first truss which is parallel to the extending direction of each transverse bracket and two second trusses which are parallel to the two inclined brackets respectively, the second truss is connected with the inclined bracket through a first adjusting structure; the inverted triangular truss further comprises three transverse trusses extending transversely along the second direction and marked as a first transverse truss, a second transverse truss and a third transverse truss, the inverted triangular trusses are connected through the transverse trusses, in each inverted triangular truss, the three transverse trusses are located at three vertex angles of the inverted triangular trusses respectively, two ends of the first truss are connected with first ends of the two second trusses through the first transverse trusses and the second transverse trusses respectively, second ends of the two second trusses are connected through the third transverse trusses, the third transverse trusses are connected with the transverse supports through the second adjusting structures, and the first transverse trusses, the second transverse trusses and the vertical transverse trusses are perpendicular to each other.
2. The adjustable bed-jig of assembling of large-span variable cross section inverse triangular tube truss of claim 1, characterized in that, first regulation structure includes first adjusting nut and fixed connection's crescent moon regulating plate and positioning bottom plate, crescent moon regulating plate with positioning bottom plate sets up perpendicularly, the second truss with crescent moon regulating plate contacts, the inclined support slant is connected dull and stereotypedly, four end angular position of positioning bottom plate all are provided with first connecting hole, be provided with on the slant connecting plate with first connecting hole matched with first mating holes, positioning bottom plate with the slant connecting plate passes through first adjusting nut inserts first connecting hole with fixed connection is realized to first mating holes.
3. The adjustable bed-jig of assembling of large-span variable cross section inverse triangular tube truss of claim 2, characterized in that, the second truss is the pipe, crescent regulating plate is provided with the crescent breach, the radian of crescent breach with the radian looks adaptation of second truss, the second truss is located in the crescent breach.
4. The adjustable bed-jig of assembling of large-span variable cross-section inverted-triangular pipe truss of claim 2, characterized in that, the second truss is the pipe, crescent moon regulating plate is first regulation arc, the radian of first regulation arc with the radian looks adaptation of second truss, the second truss is located the arc wall that first regulation arc formed.
5. The adjustable assembling jig of the large-span variable-section inverted-triangular pipe truss according to claim 1, wherein the second adjusting structure comprises a second adjusting nut and a mounting base plate, the third transverse truss is fixedly connected with the mounting base plate, second connecting holes are formed in four end corner positions of the mounting base plate, the transverse support comprises a transverse connecting flat plate, second matching holes matched with the second connecting holes are formed in the transverse connecting flat plate, and the mounting base plate and the transverse connecting flat plate are fixedly connected through the second adjusting nut penetrating through the second connecting holes and the second matching holes.
6. The adjustable splicing jig frame of the large-span variable-section inverted-triangular pipe truss of claim 1, it is characterized in that the third transverse truss is a round pipe, the second adjusting structure comprises a second adjusting nut, a mounting bottom plate and a second adjusting arc-shaped plate, the radian of the second adjusting arc-shaped plate is matched with the radian of the third transverse truss, the third transverse truss is positioned in an arc-shaped groove formed by the second adjusting arc-shaped plate, the second adjusting arc-shaped plate is fixedly connected with the mounting bottom plate, the four end corners of the mounting bottom plate are provided with second connecting holes, the transverse bracket comprises a transverse connecting flat plate, a second matching hole matched with the second connecting hole is arranged on the transverse connecting flat plate, the mounting bottom plate and the transverse connection flat plate are fixedly connected through the second adjusting nut penetrating through the second connecting hole and the second matching hole.
7. The adjustable splicing jig frame of the large-span variable-section inverted-triangular pipe truss according to claim 1, wherein a third adjusting structure is arranged between the adjacent support brackets, and the third adjusting structure is used for adjusting a second transverse distance between the adjacent support brackets.
8. The adjustable assembling jig of the large-span variable-section inverted-triangular pipe truss according to claim 7, wherein the third adjusting structure comprises a first sleeve and a second sleeve which are sleeved, two adjacent supporting supports are respectively connected with first ends of the two first sleeves, a second end of each first sleeve is connected with the second sleeve through the corresponding second sleeve, a plurality of positioning holes are formed in the first sleeves, third matching holes matched with the first positioning holes are formed in the second sleeves, and the other ends of the first sleeves and the other ends of the second sleeves are inserted into the positioning holes and the third matching holes through positioning pins to achieve fixed connection.
9. The adjustable assembly jig frame of the large-span variable-section inverted-triangular pipe truss as claimed in claim 7, wherein two third adjusting structures are arranged between each pair of adjacent support brackets, one of the two third adjusting structures is connected with the first end of the adjacent transverse bracket, and the other of the two third adjusting structures is connected with the second end of the adjacent transverse bracket.
10. The adjustable assembling jig frame of the large-span variable-section inverted-triangular pipe truss according to any one of claims 1 to 9, wherein the assembling jig frame further comprises a base, and the transverse support is mounted on the base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471914.1A CN111593895A (en) | 2020-05-29 | 2020-05-29 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471914.1A CN111593895A (en) | 2020-05-29 | 2020-05-29 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
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| CN111593895A true CN111593895A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010471914.1A Pending CN111593895A (en) | 2020-05-29 | 2020-05-29 | Adjustable assembly jig frame for large-span variable-cross-section inverted triangular pipe truss |
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| CN112647511A (en) * | 2020-12-16 | 2021-04-13 | 中建八局南方建设有限公司 | Auxiliary guiding device of downward-placing continuous-wall anti-streaming sand bag |
| CN114635548A (en) * | 2022-02-18 | 2022-06-17 | 中铁五局集团建筑工程有限责任公司 | Rapid and accurate assembling device and method for hyperbolic space inverted triangular steel truss |
| CN117759049A (en) * | 2024-02-22 | 2024-03-26 | 山西潇河建筑产业有限公司 | Large-span pipe truss positioning device |
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