CN111335651A - Truss hoisting auxiliary device, truss construction method and supervision method thereof - Google Patents
Truss hoisting auxiliary device, truss construction method and supervision method thereof Download PDFInfo
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- CN111335651A CN111335651A CN202010250690.1A CN202010250690A CN111335651A CN 111335651 A CN111335651 A CN 111335651A CN 202010250690 A CN202010250690 A CN 202010250690A CN 111335651 A CN111335651 A CN 111335651A
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- truss
- standard
- flange
- hoisting
- auxiliary device
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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
- E04G21/162—Handles to carry construction blocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- 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
-
- 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
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
Abstract
The invention relates to the technical field of steel structure truss hoisting, in particular to a truss hoisting auxiliary device, a truss construction method and a supervision method thereof. According to the invention, after the plurality of standard sections are assembled by the assembling component, the jig frame sections and the standard sections are assembled and fixed by the assembling component, so that the auxiliary device for hoisting the truss is quickly formed, and the effect of shortening the construction period of the truss is achieved.
Description
Technical Field
The invention relates to the technical field of steel structure truss hoisting, in particular to a truss hoisting auxiliary device, a truss construction method and a supervision method thereof.
Background
At present, along with the development of the building industry and the maturity of the building technology, more and more large-span buildings appear before people, the large-span buildings mostly use steel frameworks as main bodies, and in the process of large-span steel structures, trusses are often used as large-span supports.
The existing large-span truss is usually configured as a door type truss, the door type truss is often divided into A, B, C three parts, then each part is transported separately, and then the three parts of the truss are assembled and welded at a construction site. When the truss is assembled, firstly, one end of the A, C two-part truss is fixedly connected with the ground, and a hand frame is erected at the other end of the A, C two-part truss to support the truss; and hoisting the truss B part and connecting and fixing the truss A, C, and finally completing the on-site installation of the truss.
The above prior art solutions have the following drawbacks: the fixed truss of utilization scaffold keeps away from the one end on ground, because scaffold frame sets up the process slowly, leads to the construction cycle length.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the truss hoisting auxiliary device to achieve the purpose of shortening the truss construction period.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a truss hoist and mount auxiliary device, auxiliary device includes standard festival and bed-jig festival, and the standard festival is provided with a plurality of, is provided with between the adjacent standard festival and assembles the subassembly, and the standard festival and the ground fixed connection of auxiliary device bottom, bed-jig festival set up on auxiliary device's top, are connected through assembling the subassembly between the standard festival on bed-jig festival and auxiliary device top, and the top of bed-jig festival is provided with the location bed-jig, is provided with adjusting device between location bed-jig and the bed-jig festival.
Through adopting above-mentioned technical scheme, through setting up standard festival and bed-jig festival, when carrying out the equipment of truss, the subassembly is assembled with a plurality of standard festival concatenation together to the utilization, and assemble the subassembly at the top installation bed-jig festival of a plurality of standard festival, and the adjusting device who sets up between bed-jig festival and location bed-jig, the position of adjusting the location bed-jig supports the truss, utilize the assembly of standard festival and the debugging of bed-jig festival, carry out strutting arrangement to the truss and build fast, reach the purpose that shortens truss construction cycle.
The present invention in a preferred example may be further configured to: the assembling component comprises a first flange, a second flange, assembling bolts and assembling nuts, the first flange is fixedly connected with the standard joint, the second flange is fixedly connected with the adjacent standard joint, when the adjacent standard joint is abutted, the first flange is abutted against the second flange, one end of each assembling bolt sequentially penetrates through the first flange and the second flange, and the assembling nuts are connected with one end of each assembling bolt through the first flange and the second flange in a threaded manner.
Through adopting above-mentioned technical scheme, when connecting between the adjacent standard festival, at first remove the second flange butt that the standard festival drove first flange and adjacent standard festival, then with assembling the bolt and assemble the nut with first flange and second flange joint fixed, because first flange and standard festival fixed connection, second flange and adjacent standard festival fixed connection, standard festival and adjacent standard festival are connected fixedly, assemble subassembly simple structure, assemble the convenience, promote the convenience when adjacent standard festival is assembled.
The present invention in a preferred example may be further configured to: adjusting device includes fixed plate, pneumatic cylinder and loading board, the top fixed connection of fixed plate and bed-jig festival, and the loading board setting is on the top of fixed plate, and the pneumatic cylinder is provided with a plurality of, and a plurality of pneumatic cylinder evenly distributed is between fixed plate and loading board, the bottom of a plurality of pneumatic cylinder all with fixed plate fixed connection, the top and the loading board fixed connection of pneumatic cylinder, the top fixed connection of location bed-jig and loading board.
Through adopting above-mentioned technical scheme, when using adjusting device to adjust the location bed-jig, start the pneumatic cylinder, because pneumatic cylinder and fixed plate fixed connection to fixed plate and bed-jig festival fixed connection, so the pneumatic cylinder makes the pneumatic cylinder drive the loading board and removes under the support of fixed plate, because location bed-jig and loading board fixed connection, so the loading board drives the location bed-jig and removes to the truss, adjusting device simple structure, simple to operate promotes the convenience when adjusting device adjusts.
The present invention in a preferred example may be further configured to: the positioning jig frame comprises two support rods and two bearing rods, the two support rods are vertically arranged, the bottom ends of the two support rods are fixedly connected with the bearing plate, the bearing rod is horizontally arranged between the two support rods, and the two ends of each bearing rod are fixedly connected with the two support rods respectively.
Through adopting above-mentioned technical scheme, set up the location bed-jig into two bracing pieces and a carrier bar, when location bed-jig support truss, the carrier bar carries out the location support to the truss, utilizes the bracing piece of carrier bar both sides to carry on spacingly to the truss simultaneously, promotes the stability of location bed-jig when fixing a position the truss.
The present invention in a preferred example may be further configured to: the standard festival is the pin-connected panel standard festival, the standard festival includes four piece formula square frames, every piece formula square frame all includes the montant, horizontal pole and bracing, the horizontal pole level is provided with two, two horizontal poles are parallel to each other, the vertical one end that sets up at two horizontal poles of montant, the one end of two horizontal poles all with montant fixed connection, the bottom and the first flange fixed connection of montant, the top and the second flange fixed connection of montant, the bracing is provided with two, two bracing are cross setting between two horizontal poles, the both ends of bracing respectively with two horizontal pole fixed connection, be provided with coupling assembling between the adjacent piece formula square frame.
By adopting the technical scheme, the standard knot is split into four end-to-end sheet type square frames, and then the adjacent sheet type square frames are assembled together by utilizing the connecting assembly; and meanwhile, the standard knot is split into four sheet type square frames, so that the standard knot is convenient to transport.
The present invention in a preferred example may be further configured to: coupling assembling includes connecting plate, mounting panel, connecting bolt and coupling nut, mounting panel and montant fixed connection, connecting plate and horizontal pole fixed connection, and when connecting plate and mounting panel butt, connecting bolt's one end passed connecting plate and mounting panel, and coupling nut and connecting bolt pass the one end threaded connection of mounting panel and connecting plate.
Through adopting above-mentioned technical scheme, during the equipment of adjacent piece formula square frame, at first remove the horizontal pole and drive connecting plate and mounting panel butt, then recycle connecting bolt and coupling nut and be connected connecting plate and mounting panel fixed, because connecting plate and horizontal pole fixed connection, mounting panel and montant fixed connection, adjacent piece formula square frame is assembled together, coupling assembling simple structure, simple to operate promote the convenience when standard festival assembles, further reduction of erection time.
The second aim of the invention is realized by the following technical scheme:
a construction method for hoisting a truss comprises the following steps:
s1, determining the position of the truss A part: positioning the position of the truss A part by using a theodolite and other measuring instruments, and determining a drop point of one end of the truss A, which is far away from the ground;
s2, assembling the sheet type square blocks into standard sections: firstly, connecting four sheet type square frames end to end, enabling a connecting plate to be abutted against an installation plate, enabling one end of a connecting bolt to penetrate through the connecting plate and the installation plate and then be in threaded connection with a connecting nut, completing installation of one standard section, and repeating the steps to assemble a plurality of standard sections;
s3, assembling a plurality of standard sections: firstly, fixedly connecting one standard joint with the ground by using expansion bolts, then abutting a first flange and a second flange between adjacent standard joints, and connecting one end of an assembling bolt with an assembling nut through the first flange and the second flange in a threaded manner to complete the assembly of a plurality of standard joints;
s4, mounting a jig frame section: when the standard sections are installed to the calculated proper height, the jig frame sections are placed at the top ends of the plurality of standard sections, and the assembly of the jig frame sections and the standard sections is completed by utilizing the assembly components;
s5, hoisting A truss: hoisting the truss A to a measuring position, fixedly connecting one end of the truss A close to the ground with the ground, and positioning one end of the truss A far away from the ground at the top end of a jig frame section;
s6, adjusting and positioning jig: starting a hydraulic cylinder to drive the positioning jig frame to approach the truss A through the bearing plate, and enabling a bearing rod of the positioning jig frame to be abutted against the truss A to complete supporting of the truss A;
s7, mounting a truss B: repeating the steps to fix the truss B with the ground, and erecting an auxiliary device to fix the truss B;
s8, mounting a C truss: and hoisting the C truss to the position between A, B trusses, hanging a hanging basket at the connecting position of the A, C truss, similarly erecting the hanging basket at the position of B, C, and respectively connecting and fixing the two ends of the C truss with the A, B truss.
By adopting the technical scheme, the installation position of the truss is measured, so that the installation of the auxiliary device is convenient to position, and the convenience of butt joint of the truss and the positioning jig frame is improved; the four sheet type square frames are assembled into standard sections by the aid of the connecting assemblies, and the standard sections are spliced together by the aid of the splicing assemblies, so that convenience in installation of the auxiliary device is improved, and construction period of truss installation is shortened; then the jig frame section and the standard section are installed and fixed to complete the installation of the auxiliary device; after one end of the truss A is fixedly connected with the ground, the truss A is adjusted by an adjusting device to be fixedly connected with the truss, the truss is fixed, the truss B is fixed in the same way, and finally the truss C is hoisted to a position between A, B; by suspending the basket at the junction of C and truss A, B, ease of construction of the truss is improved.
The third object of the invention is realized by the following technical scheme:
a supervision method of a truss hoisting construction method comprises the following steps:
s1, truss quality detection: the delivery certification of the truss is checked, backed up and retained, and then the size and the quality of the truss are randomly sampled and detected;
s2, standard section connection acceptance: inspecting the joint between the adjacent standard joints, and inspecting whether the nut is loosened and whether the first flange and the second flange have cracks;
s3, checking a construction site: when the truss is hoisted, whether a hoisting barrier exists in a construction site is checked, and the hoisting process is safe and smooth;
s4, safe construction: safety measures such as safety belts or life ropes must be used during high-altitude operation, and construction is forbidden without protective measures.
By adopting the technical scheme, the delivery report of the truss is firstly inspected, so that the truss is ensured to be delivered from the factory and is qualified after the factory inspection, no defect exists, and the normal use of the truss is ensured; meanwhile, the quality of the standard knot entering the field is checked, the standard knot used in construction is guaranteed to belong to a complete product, and the built standard knot can be used normally; after the standard knot is built, the joint of the standard knot is inspected, and the danger coefficient after the auxiliary device is built is reduced; by surveying the construction site, the hoisting of the truss is ensured to be smoothly carried out; the inspection of safety construction reminds construction workers to pay attention to safety protection, and reduces the danger coefficient during high-altitude operation.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the purpose of shortening the construction period of the truss is achieved by arranging the standard sections and the jig frame sections and connecting a plurality of standard sections together by utilizing the splicing assembly;
2. the standard section is formed by connecting four sheet type square frames end to end and is connected together through a connecting assembly, so that the convenience of the standard section in transportation is improved;
3. through being provided with adjusting device between location bed-jig and bed-jig festival, the position of regulation location bed-jig promotes the convenience when location bed-jig supports the truss.
Drawings
FIG. 1 is a schematic view intended to show the installation of a truss;
FIG. 2 is a schematic diagram of a structure intended to display a sheet-like box;
fig. 3 is a schematic view intended to show a connection assembly;
FIG. 4 is a schematic view intended to show a carcass section;
fig. 5 is a schematic view intended to show a building assembly.
In the figure, 1, standard section; 11. a sheet-type frame; 111. a vertical rod; 112. a cross bar; 113. bracing; 2. a tire frame section; 21. positioning a jig frame; 211. a support bar; 222. a carrier bar; 3. assembling the components; 31. a first flange; 32. a second flange; 33. assembling the bolts; 34. assembling the nut; 4. an adjustment device; 41. a fixing plate; 42. a carrier plate; 43. a hydraulic cylinder; 5. a connecting assembly; 51. a connecting plate; 52. mounting a plate; 53. a connecting bolt; 54. and connecting a nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, the truss hoisting auxiliary device disclosed by the invention comprises standard joints 1 and jig frame joints 2, wherein a plurality of standard joints 1 are vertically arranged, an assembling component 3 is arranged between every two adjacent standard joints 1, the standard joint 1 at the bottom end is fixedly connected with the ground through an expansion bolt, the jig frame joint 2 is arranged at the top end of the highest standard joint 1, and the jig frame joint 2 is connected with the standard joint 1 through the assembling component 3. When the auxiliary device is set up to the installation truss, at first connect the standard through expansion bolts and be connected fixedly with ground, then rethread assembly 3 connects gradually a plurality of standard festival 1 fixedly, place the rack festival 2 at the topmost of a plurality of standard festival 1 at last again, rack festival 2 is connected and is fixed with standard festival 1 through assembling assembly 3 equally, then during the installation truss, one end is fixed with ground, the other end is placed and is fixed on the top of rack festival 2, utilize standard festival 1 and rack festival 2 to assemble auxiliary device, rapid construction, reach the purpose of shortening truss construction cycle.
Referring to fig. 2 and 3, the standard knot 1 includes four sheet type square frames 11, each sheet type square frame 11 includes two cross bars 112, a vertical bar 111 and two diagonal braces 113, the two cross bars 112 are horizontally and parallelly arranged, the vertical bar 111 is vertically arranged, the side wall of the vertical bar 111 is respectively and fixedly connected with one end of the two cross bars 112, the assembling component 3 is arranged between the vertical bars 111 of the adjacent standard knot 1, the two diagonal braces 113 are arranged between the two cross bars 112 in a cross shape, the butt joints of the two diagonal braces 113 are fixedly connected, and two ends of each diagonal brace 113 are respectively and fixedly connected with the two cross bars 112; four piece formula square frames 11 end to end, be provided with coupling assembling 5 between the adjacent piece formula square frame 11, coupling assembling 5 includes connecting plate 51, mounting panel 52, connecting bolt 53 and coupling nut 54, mounting panel 52 and montant 111 fixed connection, connecting plate 51 and horizontal pole 112 fixed connection, when connecting plate 51 and mounting panel 52 butt, connecting plate 51 and mounting panel 52 are passed to connecting bolt 53's one end, and connecting nut 54 and connecting bolt 53 pass the one end threaded connection of mounting panel 52 and connecting plate 51. When the standard knot 1 is assembled, firstly, the four sheet type square frames 11 are sequentially placed end to end, the sheet type square frames 11 drive the mounting plates 52 to abut against the connecting plates 51 of the adjacent sheet type square frames 11, one ends of the connecting bolts 53 penetrate through the connecting plates 51 and the mounting plates 52 and then are in threaded connection with the connecting nuts 54, the mounting plates 52 are fixed with the connecting plates 51, the steps are repeated, the sheet type square frames 11 are sequentially connected and fixed with the adjacent sheet type square frames 11, and the assembly of the standard knot 1 is completed.
Referring to fig. 1 and 4, the jig section 2 includes a positioning jig 21, the positioning jig 21 is disposed at the top end of the jig section 2, an adjusting device 4 is disposed between the positioning jig 21 and the jig section 2, the adjusting device 4 includes a fixing plate 41, hydraulic cylinders 43 and a bearing plate 42, the fixing plate 41 is fixedly connected to the top end of the jig section 2, the bearing plate 42 is disposed at the top end of the fixing plate 41, the hydraulic cylinders 43 are provided with a plurality of hydraulic cylinders 43, the plurality of hydraulic cylinders 43 are uniformly distributed between the fixing plate 41 and the bearing plate 42, the plurality of hydraulic cylinders 43 are vertically disposed, the bottom end of each hydraulic cylinder 43 is fixedly connected to the fixing plate 41, and the top end of each hydraulic cylinder 43 is fixedly connected to the bearing plate 42; the positioning jig frame 21 is arranged at the top end of the bearing plate 42, the positioning jig frame 21 comprises two supporting rods 211 and two bearing rods 222, the two supporting rods 211 are vertically arranged, the bottom end of each supporting rod 211 is fixedly connected with the top end of the bearing plate 42, the bearing rods 222 are horizontally arranged between the two supporting rods 211, and two ends of each bearing rod 222 are fixedly connected with the two supporting rods 211 respectively. After the jig frame section 2 is fixed with the standard section 1, the hydraulic cylinder 43 is started to drive the positioning jig frame 21 to move towards the truss through the bearing plate 42, so that the bearing rod 222 of the positioning jig frame 21 is abutted against the bottom end of the truss, the two support rods 211 are respectively positioned at the two ends of the truss, and the truss is temporarily fixed.
Referring to fig. 5, the assembling component 3 includes a first flange 31, a second flange 32, an assembling bolt 33 and an assembling nut 34, the first flange 31 is fixedly connected with the bottom end of the vertical rod 111 of the standard knot 1, the second flange 32 is fixedly connected with the top end of the vertical rod 111 of the adjacent standard knot 1, when the standard knot 1 is abutted to the adjacent standard knot 1, the first flange 31 is abutted to the second flange 32, one end of the assembling bolt 33 sequentially penetrates through the first flange 31 and the second flange 32, the assembling nut 34 is located at one end of the second flange 32 far away from the first flange 31, and the assembling nut 34 is in threaded connection with the assembling bolt 33. When splicing between adjacent standard festival 1, standard festival 1 drives first flange 31 and adjacent standard festival 1's second flange 32 butt, then pass first flange 31 and second flange 32 in proper order with the splice bolt in proper order after with assemble 34 threaded connection of nut, make first flange 31 and second flange 32 be connected fixedly, with the four groups between standard festival 1 and the adjacent standard festival 1 assemble the subassembly 3 all fixed back, accomplish the installation between standard festival 1 and the adjacent standard festival 1 and fix.
The implementation principle of the embodiment is as follows: when the auxiliary device is used, firstly, the position of the truss is measured according to a construction drawing, and the position of the auxiliary device is calculated according to the position of the truss; connecting the four sheet-type frames 11 end to form a standard knot 1, wherein the sheet-type frames 11 drive the mounting plate 52 to abut against the connecting plate 51 of the adjacent sheet-type frame 11, and then the connecting bolt 53 penetrates through the connecting plate 51 and the mounting plate 52 and is in threaded connection with the connecting nut 54, so that the connecting plate 51 and the mounting plate 52 are fixed, the four sheet-type frames 11 are sequentially fixed end to be assembled into the standard knot 1, and the steps are repeated to assemble a plurality of standard knots 1; then, one standard joint 1 is fixedly connected with the ground by using expansion bolts, then the adjacent standard joint 1 is placed at the top end of the standard joint 1, so that the first flange 31 is abutted against the second flange 32, then the assembling bolts 33 sequentially penetrate through the first flange 31 and the second flange 32 and then are in threaded connection with the assembling nuts 34, so that the first flange 31 and the second flange 32 are fixed, and the steps are repeated to sequentially connect and fix a plurality of standard joints 1; move the bed-jig festival 2 to the top of the highest standard festival 1 again, and be connected fixedly with bed-jig festival 2 and standard festival 1 through assembling subassembly 3, when the one end of truss is fixed with ground, the other end is located the top of location bed-jig 21, start hydraulic cylinder 43 and drive location bed-jig 21 through loading board 42 and move to the truss, make the bottom butt of bearing rod 222 and the truss of location bed-jig 21, with the truss joint in location bed-jig 21, accomplish the temporary fixation to the truss, to sum up, through the above-mentioned step, reach the purpose of shortening truss construction cycle.
Example two
A construction method for hoisting a truss comprises the following steps:
s1, determining the position of the truss A part: and positioning the position of the truss A part by using a theodolite and other measuring instruments, and determining a drop point of one end of the truss A, which is far away from the ground.
S2, assembling the sheet type square boxes 11 into a standard knot 1: firstly, connecting the four sheet type square frames 11 end to end, enabling the connecting plate 51 to be abutted against the mounting plate 52, enabling one end of the connecting bolt 53 to penetrate through the connecting plate 51 and the mounting plate 52 and then be in threaded connection with the connecting nut 54, completing the installation of one standard knot 1, and repeating the steps to assemble a plurality of standard knots 1.
S3, assembling a plurality of standard sections 1: firstly, one standard joint 1 is fixedly connected with the ground by using expansion bolts, then a first flange 31 and a second flange 32 between adjacent standard joints are abutted, one end of an assembling bolt 33 passes through the first flange 31 and the second flange 32 and then is in threaded connection with an assembling nut 34, and the assembly of a plurality of standard joints 1 is completed.
S4, mounting a jig frame section 2: when the standard sections 1 are installed to the calculated proper height, the jig frame sections 2 are placed at the top ends of the plurality of standard sections 1, and the assembling of the jig frame sections 2 and the standard sections 1 is completed by the splicing assemblies 3.
S5, hoisting A truss: and hoisting the truss A to a measuring position, fixedly connecting one end of the truss A close to the ground with the ground, and positioning one end of the truss A far away from the ground at the top end of the jig frame section 2.
S6, adjusting and positioning jig frame 21: the hydraulic cylinder 43 is started to drive the positioning jig frame 21 to approach the truss A through the bearing plate 42, so that the bearing rod 222 of the positioning jig frame 21 is abutted against the truss A, and the truss A is supported.
S7, mounting a truss B: and repeating the steps to fix the truss B with the ground, and erecting an auxiliary device to fix the truss B.
S8, mounting a C truss: and hoisting the C truss to the position between A, B trusses, hanging a hanging basket at the connecting position of the A, C truss, similarly erecting the hanging basket at the position of B, C, and respectively connecting and fixing the two ends of the C truss with the A, B truss.
EXAMPLE III
A supervision method of a truss hoisting construction method comprises the following steps:
s1, truss quality detection: and (3) checking the delivery certificate of the truss, backing up and retaining files, and then performing random sampling detection on the size and the quality of the truss.
S2, standard section 1 connection acceptance: when entering a field, firstly, the quality of the standard knot 1 is checked, and whether defective products exist in the standard knot 1 is checked; after the standard sections 1 are connected, the joints between the adjacent standard sections 1 are inspected to check whether the nuts are loosened and whether the first flange 31 and the second flange 32 have cracks.
S3, checking a construction site: when the truss is hoisted, whether a hoisting barrier exists in a construction site or not is checked, and the safety and smoothness of the hoisting process are ensured.
S4, safe construction: safety measures such as safety belts or life ropes must be used during high-altitude operation, and construction is forbidden without protective measures.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a truss hoist and mount auxiliary device which characterized in that: the auxiliary device comprises a standard knot (1) and a jig frame knot (2), wherein the standard knot (1) is provided with a plurality of, an assembling component (3) is arranged between adjacent standard knots (1), the standard knot (1) at the bottom end of the auxiliary device is fixedly connected with the ground, the jig frame knot (2) is arranged on the top end of the auxiliary device, the jig frame knot (2) is connected with the standard knot (1) at the top end of the auxiliary device through the assembling component (3), the top end of the jig frame knot (2) is provided with a positioning jig frame (21), and an adjusting device (4) is arranged between the positioning jig frame (21) and the jig frame knot (2).
2. The truss hoisting auxiliary device as claimed in claim 1, wherein: assemble subassembly (3) including first flange (31), second flange (32), assemble bolt (33) and assemble nut (34), first flange (31) and standard festival (1) fixed connection, second flange (32) and adjacent standard festival (1) fixed connection, when adjacent standard festival (1) butt, first flange (31) and second flange (32) butt, the one end of assembling bolt (33) passes first flange (31) and second flange (32) in proper order, assemble nut (34) and assemble bolt (33) and pass the one end threaded connection of first flange (31) and second flange (32).
3. The truss hoisting auxiliary device as claimed in claim 1, wherein: adjusting device (4) are including fixed plate (41), pneumatic cylinder (43) and loading board (42), the top fixed connection of fixed plate (41) and bed-jig festival (2), loading board (42) set up the top at fixed plate (41), pneumatic cylinder (43) are provided with a plurality of, a plurality of pneumatic cylinder (43) evenly distributed is between fixed plate (41) and loading board (42), the bottom of a plurality of pneumatic cylinder (43) all with fixed plate (41) fixed connection, the top and loading board (42) fixed connection of pneumatic cylinder (43), the top fixed connection of location bed-jig (21) and loading board (42).
4. The truss hoisting auxiliary device as claimed in claim 1, wherein: the positioning jig frame (21) comprises two supporting rods (211) and two bearing rods (222), the bottom ends of the two supporting rods (211) are fixedly connected with the bearing plate (42), the bearing rods (222) are horizontally arranged between the two supporting rods (211), and the two ends of each bearing rod (222) are fixedly connected with the two supporting rods (211) respectively.
5. The truss hoisting auxiliary device as claimed in claim 2, wherein: standard festival (1) is pin-connected panel standard festival (1), standard festival (1) includes four piece formula square frames (11), every piece formula square frame (11) all includes montant (111), horizontal pole (112) and bracing (113), horizontal pole (112) level is provided with two, two horizontal poles (112) are parallel to each other, the vertical one end that sets up at two horizontal poles (112) of montant (111), the one end of two horizontal poles (112) all with montant (111) fixed connection, the bottom and first flange (31) fixed connection of montant (111), the top and second flange (32) fixed connection of montant (111), bracing (113) are provided with two, two bracing (113) are the cross setting between two horizontal poles (112), the both ends of bracing (113) respectively with two horizontal poles (112) fixed connection, be provided with coupling assembling (5) between the adjacent piece formula square frame (11).
6. The truss hoisting auxiliary device as claimed in claim 5, wherein: the connecting assembly (5) comprises a connecting plate (51), a mounting plate (52), a connecting bolt (53) and a connecting nut (54), the mounting plate (52) is fixedly connected with a vertical rod (111), the connecting plate (51) is fixedly connected with a cross rod (112), when the connecting plate (51) abuts against the mounting plate (52), one end of the connecting bolt (53) penetrates through the connecting plate (51) and the mounting plate (52), and the connecting nut (54) and the connecting bolt (53) penetrate through one end of the mounting plate (52) and one end of the connecting plate (51) in threaded connection.
7. The construction method for hoisting the truss according to any one of claims 1 to 6, which is characterized by comprising the following steps:
s1, determining the position of the truss A part: positioning the position of the truss A part by using a theodolite and other measuring instruments, and determining a drop point of one end of the truss A, which is far away from the ground;
s2, assembling the sheet type square boxes (11) into a standard knot (1): firstly, connecting four sheet type square frames (11) end to end, enabling a connecting plate (51) to be abutted against a mounting plate (52), enabling one end of a connecting bolt (53) to penetrate through the connecting plate (51) and the mounting plate (52) and then be in threaded connection with a connecting nut (54) to finish the mounting of one standard knot (1), and repeating the steps to assemble a plurality of standard knots (1);
s3, assembling a plurality of standard sections (1): firstly, fixedly connecting one standard joint (1) with the ground by using expansion bolts, then abutting a first flange (31) and a second flange (32) between adjacent standard joints, and connecting one end of an assembling bolt (33) with an assembling nut (34) in a threaded manner after penetrating through the first flange (31) and the second flange (32) to complete the assembly of a plurality of standard joints (1);
s4, mounting a jig frame joint (2): when the standard sections (1) are installed to the calculated due height, the jig frame sections (2) are placed at the top ends of the plurality of standard sections (1), and the assembling of the jig frame sections (2) and the standard sections (1) is completed by the aid of the assembling assemblies (3);
s5, hoisting A truss: hoisting the truss A to a measuring position, fixedly connecting one end of the truss A close to the ground with the ground, and positioning one end of the truss A far away from the ground at the top end of the jig frame section (2);
s6, adjusting and positioning jig frame (21): starting a hydraulic cylinder (43) to drive the positioning jig frame (21) to approach the truss A through the bearing plate (42), so that a bearing rod (222) of the positioning jig frame (21) is abutted against the truss A to complete the support of the truss A;
s7, mounting a truss B: repeating the steps to fix the truss B with the ground, and erecting an auxiliary device to fix the truss B;
s8, mounting a C truss: and hoisting the C truss to the position between A, B trusses, hanging a hanging basket at the connecting position of the A, C truss, similarly erecting the hanging basket at the position of B, C, and respectively connecting and fixing the two ends of the C truss with the A, B truss.
8. The supervision method for the truss hoisting construction method according to claim 7, characterized by comprising the following steps:
s1, truss quality detection: the delivery certification of the truss is checked, backed up and retained, and then the size and the quality of the truss are randomly sampled and detected;
s2, standard section (1) connection acceptance: inspecting the joint between the adjacent standard sections (1), and inspecting whether the nut is loosened and whether the first flange (31) and the second flange (32) have cracks or not;
s3, checking a construction site: when the truss is hoisted, whether a hoisting barrier exists in a construction site is checked, and the hoisting process is safe and smooth;
s4, safe construction: safety measures such as safety belts or life ropes must be used during high-altitude operation, and construction is forbidden without protective measures.
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| CN115162747A (en) * | 2021-04-07 | 2022-10-11 | 中铝国际(天津)建设有限公司 | Jig frame for loading and unloading large steel structure and unloading method |
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