CN111101718A - Steel truss assembling system and construction method - Google Patents
Steel truss assembling system and construction method Download PDFInfo
- Publication number
- CN111101718A CN111101718A CN201911391332.6A CN201911391332A CN111101718A CN 111101718 A CN111101718 A CN 111101718A CN 201911391332 A CN201911391332 A CN 201911391332A CN 111101718 A CN111101718 A CN 111101718A
- Authority
- CN
- China
- Prior art keywords
- hoisting
- steel
- steel truss
- truss
- support frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
-
- 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
- B66C23/18—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 specially adapted for use in particular purposes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a steel truss assembling system which comprises a steel truss, the ground, a structural column, a mounting point, an aerial assembling device and a hoisting system, wherein the structural column is arranged on the ground, the mounting point is arranged at the top end of the structural column, and two ends of the steel truss are arranged on the mounting point; the hoisting system comprises a hoisting point support frame, a steel rope, a lifting hook and a crane, wherein the steel truss is provided with the hoisting point support frame, the hoisting point support frame is connected with the steel rope, the crane is arranged in a ground operation area, and the crane is connected with the steel rope through the lifting hook; the aerial splicing device is arranged below the segmented splicing position of the steel truss. The invention has the beneficial effects that: the rail type adjustable vertical rod is adopted to support the assembling jig frame, the width and the height of the assembling jig frame can be accurately adjusted, the rail type adjustable vertical rod is suitable for assembling steel trusses in different forms and different sizes, the mounting precision of the steel trusses is improved, the engineering quality is improved, the construction progress is accelerated, and the rail type adjustable vertical rod is simple and convenient to construct, safe and reliable.
Description
Technical Field
The invention relates to the field of steel trusses, in particular to a steel truss assembling system and a construction method.
Background
At present, the construction technology of steel trusses in China is rapidly developed, all components or parts are usually connected by welding seams, bolts or rivets, and then the methods of segmented block hoisting, integral lifting, integral jacking, lifting and unfolding and the like are carried out. The steel truss is light in self weight and simple and convenient to construct, and is widely applied to the fields of super high-rise buildings and large-span space structures, such as various gymnasiums, exhibition centers, industrial plants and the like. Modern steel structures develop towards large span, but problems that the main chord members of the trusses are difficult to assemble in sections, weld and correct in working high altitude, the camber, the side flatness, the elevation and the center error of the trusses are difficult to control, the position errors between two main trusses and between the trusses and other axes are difficult to control and the like easily occur in the hoisting and mounting process.
In summary, it is very important to find a steel truss assembling system and a construction method which have simple structure and high safety and effectively improve the installation accuracy of the steel truss.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a steel truss assembling system and a construction method.
The steel truss assembling system comprises a steel truss, the ground, a structural column, a mounting point, an aerial assembling device and a hoisting system, wherein the structural column is arranged on the ground, the mounting point is arranged at the top end of the structural column, and two ends of the steel truss are arranged on the mounting point; the hoisting system comprises a hoisting point support frame, a steel rope, a lifting hook and a crane, wherein the steel truss is provided with the hoisting point support frame, the hoisting point support frame is connected with the steel rope, the crane is arranged in a ground operation area, and the crane is connected with the steel rope through the lifting hook; the aerial splicing device is arranged below the segmented splicing position of the steel truss.
Preferably, the method comprises the following steps: the steel truss is formed by splicing segmented steel trusses, one end of each segmented steel truss is located on the installation point, and the other end of each segmented steel truss is located on the aerial splicing device.
Preferably, the method comprises the following steps: the hoisting point support frame is connected with the steel rope through binding.
The construction method of the steel truss assembly system comprises the following steps:
step one, processing the assembly site foundation, tamping and leveling an original soil layer, and pouring a concrete bed-jig foundation;
secondly, installing tracks on the jig frame transversely according to a certain distance, respectively installing jacking supports at the top ends of the telescopic vertical rods and the vertical rods, respectively installing rail clamping devices at the bottom ends of the telescopic vertical rods and the vertical rods, installing the telescopic vertical rods in the middle of the tracks, and respectively installing the vertical rods on the tracks on two sides of the telescopic vertical rods;
adjusting the width and height of the assembly jig frame according to the form and size of the truss to be assembled before assembling the steel truss, and then respectively placing the steel truss members on the top support for assembly;
fourthly, a hoisting scheme is formulated according to the structure of the steel truss, and the positions and the number of hoisting points of the steel truss during hoisting are determined;
step five, manufacturing a hoisting point support frame of the steel truss, wherein the hoisting point support frame comprises a hoisting ring, a hoisting shaft, lug plates, fastening bolts, a hoisting hoop, a cushion and a hinge bolt, the cushion is arranged on the inner side of the hoisting hoop, the hoisting hoop is of two semicircular structures, the bottoms of the hoisting hoop are connected through the hinge bolt, the lug plates are arranged on the upper portions of the hoisting hoops, the hoisting shaft is installed on the lug plates, the two lug plates are connected through the fastening bolts, the hoisting ring is of an inverted U-shaped structure and is connected with the lug plates through the hoisting shaft; finally, mounting the hoisting point support frame on the truss hoisting point;
selecting a crane with a proper model and arranging the crane in place according to a hoisting construction site, determining a hoisting position of the steel truss and positioning the steel truss; binding a lifted steel rope on a lifting point support frame, adjusting the length of a crane to enable a steel truss to incline to a position angle, hooking the steel rope by a lifting hook to start a hook trial lifting, finely adjusting the position of a steel truss lifting tool and fixing, and finally lifting the steel truss to a mounting point to perform in-position mounting;
seventhly, the aerial assembly device comprises adjustable jacking supports, a construction platform, a steel column, a steel ladder stand, triangular channel steel, a support rod, a bottom plate, an anchor nail, a base, a roller capable of braking, a fastening bolt and an upper manhole, wherein the section of the steel column is square, the steel ladder stand is installed on one side of the column body of the steel column, the base is installed at the bottom end of the steel column, the roller capable of braking is installed below the base, the construction platform is installed on the periphery of the upper portion of the steel column, the upper manhole is arranged on one side, corresponding to the steel ladder stand, of; moving the aerial splicing device to a corresponding position of an operation area, braking a roller and fixing by using a support rod; the upper end of the supporting rod is welded with a triangular channel steel, and is fixedly connected with the rhombus of the steel column by using a fastening bolt; the lower end of the supporting rod is welded with a bottom plate and is fixed on the ground by using an anchor nail;
and step eight, hoisting one end of the segmented steel truss to a mounting point by using a crane, hoisting the other end of the segmented steel truss to the adjustable jacking supports, and assembling, welding and correcting the adjacent ends of the two segments of steel trusses on the left adjustable jacking support and the right adjustable jacking support of the aerial assembling device respectively to finally complete the assembling operation of all the segmented steel trusses.
The invention has the beneficial effects that:
1. the rail type adjustable vertical rod is adopted to support the assembling jig frame, the width and the height of the assembling jig frame can be accurately adjusted, the rail type adjustable vertical rod is suitable for assembling steel trusses in different forms and different sizes, the mounting precision of the steel trusses is improved, the engineering quality is improved, the construction progress is accelerated, and the rail type adjustable vertical rod is simple and convenient to construct, safe and reliable.
2. The hoisting point support frame adopted by the invention has the advantages of simple structure and convenience in disassembly and assembly, and sleepers or protection pads do not need to be bound in the hoisting process, so that the stability and safety of the steel truss in the hoisting process are ensured, and the construction efficiency is improved.
3. The adjustable jacking adopted by the invention is beneficial to controlling the camber, the side flatness, the elevation and the center error of the truss when the segmented steel truss is hoisted and installed, and carrying out butt joint installation in time; the construction platform provided by the invention provides a safe and reliable operation space for workers for hoisting and installing the segmented steel truss; the arrangement of the brakeable idler wheel and the detachable support rod facilitates the movement and fixation of the aerial assembly device in a construction operation area.
Drawings
FIG. 1 is a schematic view of a steel truss assembly system;
FIG. 2 is a schematic view of a steel truss assembly jig frame for a roof;
FIG. 3 is a left side view of the rail clamp;
FIG. 4 is a top view of the jacking;
FIG. 5 is a schematic view of a roof steel truss hoisting system;
FIG. 6 is a schematic view of a hanging point support frame;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a layout diagram of an overhead splicing device for a roof steel truss;
FIG. 9 is a schematic view of an aerial assembly device;
fig. 10 is a top view of fig. 9.
Description of reference numerals: 1-a bed-jig foundation; 2-track; 3-rail clamping device; 4-steel truss; 5, jacking; 6-adjusting bolt; 7-a telescopic vertical rod; 8-vertical bar; 9-connecting plate; 10-fastening plate; 11-fastening bolt; 12-fastening the pulley; 13-top pallet; 14-a limit bolt; 15-limiting plate; 16-a limit groove; 17-the ground; 18-structural columns; 19-mounting point; 20-hoisting point support frame; 21-steel cord; 22-hook; 23-crane; 24-hoisting ring; 25-hanging shaft; 26-ear plate; 27-fastening bolts; 28-hoisting hoop; 29-cushion; 30-hinge pin; 31-aerial assembly device; 32-adjustable jacking; 33-construction platform; 34-steel column; 35-steel ladder; 36-triangular channel steel; 37-support bar; 38-bottom plate; 39-anchor bolt; 40-base; 41-braking roller; 42-upper manhole; 43-Steel truss members.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The steel truss assembling system comprises a roof steel truss assembling jig frame, a roof steel truss hoisting system and a roof steel truss air assembling device.
The roof steel truss assembling jig comprises a jig frame foundation 1, a track 2, a rail clamping device 3, a steel truss 4, a jacking 5, an adjusting bolt 6, a telescopic vertical rod 7 and a vertical rod 8; the steel truss 4 is arranged on the jig frame; the track 2 is arranged on the jig frame foundation 1; the adjusting bolt 6 is arranged on a telescopic vertical rod 7, the telescopic vertical rod 7 is arranged in the middle of the track 2, and the vertical rod 8 is arranged on the track 2 at two sides of the telescopic vertical rod 7; the top ends of the telescopic vertical rods 7 and the vertical rods 8 are both provided with a top support 5, the bottom ends of the telescopic vertical rods are both provided with a rail clamping device 3, and the rail clamping device 3 is arranged on the rail 2; the rail clamping device 3 comprises a connecting plate 9, a fastening plate 10, fastening bolts 11 and fastening pulleys 12, wherein the fastening pulleys 12 are symmetrically arranged on the inner side of the fastening plate 10 and are connected and the tightness is adjusted through the fastening bolts 11, the fastening plate 10 is arranged below the connecting plate 9, and the connecting plate 9 is arranged at the bottom ends of a telescopic vertical rod 7 and a telescopic vertical rod 8; the top support 5 comprises a top support plate 13, limiting bolts 14, limiting plates 15 and limiting grooves 16, the top support plate 13 is arranged at the top ends of the telescopic vertical rods 7 and 8, the limiting grooves 16 are arranged in the middle of the top support plate 13, the bottoms of the limiting plates 15 are arranged in the limiting grooves 16, and the limiting bolts 14 at the two ends of the limiting grooves 16 are connected with the bottoms of the limiting plates 15; the steel truss members 43 are respectively placed on the top brackets 5.
The roof steel truss hoisting system comprises a ground 17, a structural column 18, a mounting point 19, a steel truss 4, a hoisting point support frame 20, a steel rope 21, a lifting hook 22 and a crane 23; the structural column 18 is arranged on the ground 17, the top end of the structural column 18 is provided with a mounting point 19, two ends of the steel truss 4 are arranged on the mounting point 19, and the hoisting point support frame 20 is arranged on the steel truss 4; the hoisting point support frame 20 comprises a hoisting ring 24, a hoisting shaft 25, ear plates 26, fastening bolts 27, hoisting hoops 28, a cushion 29 and a hinge bolt 30, wherein the cushion 31 is arranged on the inner side of the hoisting hoops 28, the hoisting hoops 28 are of two semicircular structures, the bottoms of the hoisting hoops are connected through the hinge bolt 30, the ear plates 26 are arranged on the upper parts of the hoisting hoops 28, the hoisting shaft 25 is arranged on the ear plates 26, the two ear plates 26 are connected through the fastening bolts 27, and the hoisting ring 24 is of an inverted U-shaped structure and is connected with the ear plates 26 through the hoisting shaft 25; the steel cable 21 is arranged on the hoisting point support frame 20, the crane 23 is arranged on the ground 17, and the steel cable 21 is connected through the hook 22.
The roof steel truss aerial assembly device comprises a ground 17, a structural column 18, an installation point 19, a steel truss 4 and an aerial assembly device 31; the aerial splicing device 31 comprises an adjustable jacking 32, a construction platform 33, a steel column 34, a steel ladder stand 35, a triangular channel steel 36, a support rod 37, a bottom plate 38, an anchor 39, a base 40, a braking roller 41, a fastening bolt 27 and an upper manhole 42; the section of the steel column 34 is square, a steel ladder 35 is arranged on one side of the column body, a base 40 is arranged at the bottom end of the steel column 34, and a roller 41 capable of braking is arranged below the base 40; the construction platform 33 is arranged on the periphery of the upper part of the steel column 34, and the upper manhole 42 is arranged at one side of the bottom of the construction platform 33, which corresponds to the steel ladder stand 35; the adjustable jacking 32 is arranged at the top end of the steel column 34, the upper end of the supporting rod 37 is provided with a triangular channel steel 36, and the triangular channel steel is fixedly connected with the quadrangular prism of the steel column 34 by using a fastening bolt 27; a bottom plate 38 is arranged at the lower end of the supporting rod 37 and is fixed on the ground 17 by using an anchor 39; one end of the segmented steel truss 4 is arranged on the mounting point 19, and the other end is arranged on an adjustable jacking 32 of the aerial assembly device 31.
The construction method of the steel truss assembly system comprises the following steps:
step one, processing the assembled site foundation, tamping and leveling the original soil layer, and pouring the concrete bed-jig foundation 1.
Step two, installing the rails 2 on the jig frame foundation 1 transversely according to a certain distance, respectively installing jacking supports 5 at the top ends of the telescopic vertical rods 7 and the vertical rods 8, installing rail clamping devices 3 at the bottom ends, installing the telescopic vertical rods 7 in the middle of the rails 2, and respectively installing the vertical rods 8 on the rails 2 on two sides of the telescopic vertical rods 7.
And step three, adjusting the width and height of the assembly jig frame according to the form and size of the assembled truss frame before assembling the steel truss frame 4, and then respectively placing the steel truss frame members 43 on the top support 5 for assembling.
And step four, firstly, a hoisting scheme is formulated according to the structure of the steel truss 4, and the positions and the number of hoisting points of the steel truss 4 during hoisting are determined.
And fifthly, designing and manufacturing a hoisting point support frame 20 of the steel truss 4, wherein the hoisting point support frame 20 comprises a hoisting ring 24, a hoisting shaft 25, lug plates 26, fastening bolts 27, a hoisting hoop 28, a cushion 29 and hinge bolts 30, the cushion 29 is arranged on the inner side of the hoisting hoop 28, the hoisting hoop 28 is of two semicircular structures, the bottoms of the hoisting hoop are connected through the hinge bolts 30, the lug plates 26 are arranged on the upper parts of the hoisting hoops 28, the hoisting shaft 25 is arranged on the lug plates 26, the lug plates 26 are connected through the fastening bolts 27, the hoisting ring 24 is of an inverted U-shaped structure, and is connected with the lug plates 26 through the hoisting shaft 25. Finally the lifting point support 20 is mounted on the truss lifting point.
And step six, selecting a crane 23 with a proper model and arranging the crane in place according to the hoisting construction site, determining the hoisting position of the steel truss 4 and positioning the steel truss 4 in place. The hoisting steel rope 21 is bound on the hoisting point support frame 20, the length of the hoisting machine is adjusted to ensure that the steel truss inclines to the angle when in place, the lifting hook 22 hooks the steel rope 21 to start the hooking test hoisting, the position of the hoisting tool of the steel truss 4 is finely adjusted and fixed, and finally the steel truss 4 is hoisted to the installation point 19 to be installed in place.
Seventhly, the aerial assembly device 31 comprises adjustable top supports 32, a construction platform 33, steel columns 34, steel ladder stands 35, triangular channel steel 36, supporting rods 37, a bottom plate 38, anchoring bolts 39, a base 40, braking idler wheels 41, fastening bolts 27 and upper manholes 42, the cross sections of the steel columns 34 are square, the steel ladder stands 35 are installed on one side of the column body, the base 40 is installed at the bottom ends of the steel columns 34, the braking idler wheels 41 are installed below the base 40, the construction platform 33 is installed on the periphery of the upper portions of the steel columns 34, the upper manholes 42 are formed in the bottom of the construction platform 33 and correspond to one sides of the steel ladder stands 35, and the left adjustable top supports. The air assembling device 31 is moved to the corresponding position of the working area, the roller is braked, and the roller is fixed by using the support rod 37. The upper end of the supporting rod 37 is welded with a triangular channel steel 36 and is fixedly connected with a rhombus at the height of the steel column 341/3 by using a fastening bolt 27, and the lower end of the supporting rod 37 is welded with a bottom plate 38 and is fixed on the ground 17 by using an anchor 39.
And step eight, hoisting one end of the segmented steel truss 4 to the mounting point 18 by using a crane, and hoisting the other end of the segmented steel truss 4 to the adjustable jacking supports 32, wherein the adjacent ends of the two segments of steel truss 4 are respectively spliced, welded and corrected on the left adjustable jacking support 32 and the right adjustable jacking support 32 of the aerial splicing device 31, and finally, the splicing operation of all the segmented steel trusses 4 is completed.
Claims (4)
1. The steel truss assembly system is characterized in that: the steel truss structure is characterized by comprising a steel truss (4), the ground (17), a structural column (18), a mounting point (19), an aerial assembly device (31) and a hoisting system, wherein the structural column (18) is arranged on the ground (17), the mounting point (19) is arranged at the top end of the structural column (18), and two ends of the steel truss (4) are arranged on the mounting point (19); the hoisting system comprises a hoisting point support frame (20), a steel rope (21), a lifting hook (22) and a crane (23), wherein the hoisting point support frame (20) is arranged on the steel truss (4), the hoisting point support frame (20) is connected with the steel rope (21), the crane (23) is arranged in an operation area on the ground (17), and the crane (23) is connected with the steel rope (21) through the lifting hook (22); the aerial assembling device (31) is arranged below the segmented splicing position of the steel truss (4).
2. The steel truss assembly system of claim 1, wherein: the steel truss (4) is formed by splicing segmented steel trusses, one end of each segmented steel truss is located on the installation point (19), and the other end of each segmented steel truss is located on the air splicing device (31).
3. The steel truss assembly system of claim 1, wherein: the hoisting point support frame (20) is connected with the steel rope (21) through binding.
4. A construction method of the steel truss assembly system according to claim 1, comprising the steps of:
step one, processing the assembled site foundation, tamping and leveling an original soil layer, and pouring a concrete bed-jig foundation (1);
secondly, installing rails (2) on the jig frame foundation (1) in a transverse direction at a certain distance, respectively installing top supports (5) at the top ends of the telescopic vertical rods (7) and the vertical rods (8), respectively installing rail clamping devices (3) at the bottom ends of the telescopic vertical rods (7) and the vertical rods (8), installing the telescopic vertical rods (7) in the middle of the rails (2), and respectively installing the vertical rods (8) on the rails (2) on the two sides of the telescopic vertical rods (7);
adjusting the width and height of the assembly jig frame according to the form and size of the truss to be assembled before the steel truss (4) is assembled, and then respectively placing the steel truss components (43) on the top supports (5) for assembly;
fourthly, a hoisting scheme is formulated according to the structure of the steel truss (4), and the positions and the number of hoisting points of the steel truss (4) during hoisting are determined;
fifthly, manufacturing a hoisting point support frame (20) of the steel truss (4), wherein the hoisting point support frame (20) comprises hoisting rings (24), hoisting shafts (25), lug plates (26), fastening bolts (27), hoisting hoops (28), cushions (29) and hinge bolts (30), the cushions (29) are arranged on the inner sides of the hoisting hoops (28), the hoisting hoops (28) are of two semicircular structures, the bottoms of the hoisting hoops are connected through the hinge bolts (30), the upper parts of the hoisting hoops (28) are the lug plates (26), the hoisting shafts (25) are installed on the lug plates (26), the two lug plates (26) are connected through the fastening bolts (27), the hoisting rings (24) are of inverted U-shaped structures and are connected with the lug plates (26) through the hoisting shafts (25); finally, mounting a lifting point support frame (20) on the truss lifting point;
selecting a crane (23) with a proper model and arranging in place according to a hoisting construction site, determining the hoisting position of the steel truss (4) and positioning the steel truss (4); a hoisting steel rope (21) is bound on a hoisting point support frame (20), the length of a crane is adjusted to enable the steel truss to be inclined to a position angle, a lifting hook (22) hooks the steel rope (21) to start a hook and test hoisting, the position of a hoisting tool of the steel truss (4) is finely adjusted and fixed, and finally the steel truss (4) is hoisted to a mounting point (19) to be mounted in position;
seventhly, the aerial assembly device (31) comprises adjustable jacking supports (32), a construction platform (33), a steel column (34), a steel ladder stand (35), triangular channel steel (36), a support rod (37), a bottom plate (38), an anchor nail (39), a base (40), a braking roller (41), a fastening bolt (27) and an upper manhole (42), the section of the steel column (34) is square, the steel ladder stand (35) is installed on one side of the column body of the steel column (34), the base (40) is installed at the bottom end of the steel column (34), the braking roller (41) is installed below the base (40), the construction platform (33) is installed on the periphery of the upper portion of the steel column (34), the upper manhole (42) is arranged on one side, corresponding to the steel ladder stand (35), of the bottom of the construction platform (33), and the left and right adjustable jacking supports (32; moving the aerial splicing device (31) to a corresponding position of an operation area, braking a roller and fixing by using a support rod (37); the upper end of the supporting rod (37) is welded with a triangular channel steel (36) and is fixedly connected with the rhombus of the steel column (34) by using a fastening bolt (27); a bottom plate (38) is welded at the lower end of the supporting rod (37), and the supporting rod is fixed on the ground (17) by using an anchor (39);
and step eight, hoisting one end of the segmented steel truss (4) to a mounting point (18) by using a crane, hoisting the other end of the segmented steel truss (4) to an adjustable jacking (32), and splicing, welding and correcting the adjacent ends of the two segments of steel truss (4) on the left adjustable jacking (32) and the right adjustable jacking (32) of the aerial splicing device (31) respectively to finally complete the splicing operation of the steel trusses (4) of all the segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391332.6A CN111101718A (en) | 2019-12-30 | 2019-12-30 | Steel truss assembling system and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391332.6A CN111101718A (en) | 2019-12-30 | 2019-12-30 | Steel truss assembling system and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111101718A true CN111101718A (en) | 2020-05-05 |
Family
ID=70425278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911391332.6A Pending CN111101718A (en) | 2019-12-30 | 2019-12-30 | Steel truss assembling system and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111101718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702377A (en) * | 2020-06-23 | 2020-09-25 | 河南五建建设集团有限公司 | Special support for assembling steel truss |
| CN113202313A (en) * | 2021-03-30 | 2021-08-03 | 中交第四公路工程局有限公司 | Novel horizontal assembly type jig frame structure and construction method thereof |
| CN114086772A (en) * | 2021-11-27 | 2022-02-25 | 韶关市第一建筑工程有限公司 | Installation and construction method of herringbone steel truss |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725255A (en) * | 2009-11-13 | 2010-06-09 | 高申甫 | Segmental slipping and assembling process of overhead large-span steel structure |
| CN203879020U (en) * | 2014-04-15 | 2014-10-15 | 中国建筑第八工程局有限公司 | Net rack splicing moulding bed |
| CN105604334A (en) * | 2016-01-18 | 2016-05-25 | 中铁三局集团有限公司 | Rapid-construction method used for overall installation of large-span steel truss |
| CN105735656A (en) * | 2016-04-05 | 2016-07-06 | 甘肃建投钢结构有限公司 | Overhead butting and fixing bracket for large-cantilever space pipe truss structure |
| CN206158205U (en) * | 2016-08-31 | 2017-05-10 | 中国十七冶集团有限公司 | A auxiliary device for hoist and mount of large -span steel truss |
| CN107335948A (en) * | 2017-05-17 | 2017-11-10 | 沪东中华造船(集团)有限公司 | A kind of quick assembly tool of T profile |
| CN206842830U (en) * | 2017-05-19 | 2018-01-05 | 国网江西省电力公司检修分公司 | Bushing lifting auxiliary boatswain chair |
| CN109052143A (en) * | 2018-07-27 | 2018-12-21 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of hoisting tool |
| CN109779269A (en) * | 2019-03-21 | 2019-05-21 | 中冶建工集团有限公司 | Large-span truss segmental hoisting high-altitude closes up measure device and construction method |
| CN212224666U (en) * | 2019-12-30 | 2020-12-25 | 倡创(上海)咨询管理事务所 | Steel truss assembling system |
-
2019
- 2019-12-30 CN CN201911391332.6A patent/CN111101718A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725255A (en) * | 2009-11-13 | 2010-06-09 | 高申甫 | Segmental slipping and assembling process of overhead large-span steel structure |
| CN203879020U (en) * | 2014-04-15 | 2014-10-15 | 中国建筑第八工程局有限公司 | Net rack splicing moulding bed |
| CN105604334A (en) * | 2016-01-18 | 2016-05-25 | 中铁三局集团有限公司 | Rapid-construction method used for overall installation of large-span steel truss |
| CN105735656A (en) * | 2016-04-05 | 2016-07-06 | 甘肃建投钢结构有限公司 | Overhead butting and fixing bracket for large-cantilever space pipe truss structure |
| CN206158205U (en) * | 2016-08-31 | 2017-05-10 | 中国十七冶集团有限公司 | A auxiliary device for hoist and mount of large -span steel truss |
| CN107335948A (en) * | 2017-05-17 | 2017-11-10 | 沪东中华造船(集团)有限公司 | A kind of quick assembly tool of T profile |
| CN206842830U (en) * | 2017-05-19 | 2018-01-05 | 国网江西省电力公司检修分公司 | Bushing lifting auxiliary boatswain chair |
| CN109052143A (en) * | 2018-07-27 | 2018-12-21 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | A kind of hoisting tool |
| CN109779269A (en) * | 2019-03-21 | 2019-05-21 | 中冶建工集团有限公司 | Large-span truss segmental hoisting high-altitude closes up measure device and construction method |
| CN212224666U (en) * | 2019-12-30 | 2020-12-25 | 倡创(上海)咨询管理事务所 | Steel truss assembling system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702377A (en) * | 2020-06-23 | 2020-09-25 | 河南五建建设集团有限公司 | Special support for assembling steel truss |
| CN111702377B (en) * | 2020-06-23 | 2021-08-31 | 河南五建建设集团有限公司 | Special support for assembling steel truss |
| CN113202313A (en) * | 2021-03-30 | 2021-08-03 | 中交第四公路工程局有限公司 | Novel horizontal assembly type jig frame structure and construction method thereof |
| CN114086772A (en) * | 2021-11-27 | 2022-02-25 | 韶关市第一建筑工程有限公司 | Installation and construction method of herringbone steel truss |
| CN114086772B (en) * | 2021-11-27 | 2022-11-18 | 韶关市第一建筑工程有限公司 | Installation and construction method of herringbone steel truss |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107090975B (en) | Formwork erecting construction method for ultrahigh large-span concrete cast-in-place beam bailey truss | |
| CN111101718A (en) | Steel truss assembling system and construction method | |
| CN114086669B (en) | Modularized rapid construction method for large-scale space special-shaped curved surface steel net rack | |
| CN210658011U (en) | Steel truss arch bridge installation system | |
| CN107013038A (en) | A kind of steel structure slipping of building roof lighting Zhongting changes column construction method | |
| CN113982280A (en) | Construction method of complex space truss integral hoisting system | |
| CN109573851B (en) | Arc-shaped roof internode steel truss hanging and installing integrated device and butt-joint hanging method | |
| CN113463768A (en) | 120 m-span prestressed triangular steel pipe truss girder construction method | |
| CN111561175B (en) | Prestress underpinning static force cutting and column pulling construction process | |
| CN110258294B (en) | Steel truss arch bridge installation system and construction method thereof | |
| CN115467421A (en) | Hoisting construction method for complex large-span steel roof | |
| CN113585828A (en) | Installation method of large-span inverted triangular pipe truss slope roof workshop | |
| CN212224666U (en) | Steel truss assembling system | |
| CN112049019B (en) | Accurate installation structure and construction method for complex three-dimensional variable cross-section arch rib | |
| CN113982281A (en) | Super-tonnage space truss lifting and reinforcing structure and construction method thereof | |
| CN117027421A (en) | Arch truss assembling method | |
| CN113062221A (en) | Integral node type box member steel truss arch bridge installation construction method | |
| CN112523090A (en) | Initial internode installation mode of steel truss girder cable-stayed bridge | |
| CN112609583A (en) | Steel box tied arch bridge steel structure construction system and construction method | |
| CN111188281A (en) | Transverse moving support system for prefabricated beam frame facility working machinery and construction method | |
| JP2000045231A (en) | Erection method for arch bridge | |
| CN102635061A (en) | Mountain stream river-crossing cable-stayed chain trestle and hoisting method thereof | |
| CN212532065U (en) | Gantry crane capable of being used in different height difference places | |
| CN212224667U (en) | Roof steel truss assembling jig frame | |
| CN113089844A (en) | Space grid construction process carried out by combining existing building with sliding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |