CN102304943A - Jacking method for space truss structure - Google Patents
Jacking method for space truss structure Download PDFInfo
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- CN102304943A CN102304943A CN201110182339A CN201110182339A CN102304943A CN 102304943 A CN102304943 A CN 102304943A CN 201110182339 A CN201110182339 A CN 201110182339A CN 201110182339 A CN201110182339 A CN 201110182339A CN 102304943 A CN102304943 A CN 102304943A
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Abstract
The invention discloses a jacking method for a space truss structure. The method comprises the steps of installing lifting equipment, setting a winch, setting longitudinally and transversely connected modules A, binding and connecting the longitudinally and transversely connected modules A and the lifting equipment, driving the longitudinally and transversely connected modules A to rise through the lifting equipment, connecting a vertical truss A in the downward longitudinal direction of each longitudinally and transversely connected module A, and the like. By the jacking method for the space truss structure, the installation difficulty of the huge structure of an aerostat is solved, and use of huge and ultrahigh lifting installation equipment is avoided; and the method has the advantages of high installation speed, high efficiency, high safety and low dependency on a huge tooling system.
Description
Technical field
The present invention provides a kind of raising method of space truss structure, belongs to the large scale structure assembling technology field.
Background technology
The stratosphere aerostatics has become the focus of various countries' research at present, is applied to aspects such as communication relaying, high altitude surveillance, early warning, air transport, and the U.S., Canada, Japan, Korea S, Britain, Germany, Israel and China etc. are actively developing correlative study.Because stratosphere atmospheric density is low, it is all bigger to rely on net buoyancy to stay the empty general volume of dirigible, is about 152 meters like the HAA of the U.S.; 49 meters of diameters, volume are 14.5 ten thousand steres, the CL-160 ultra-large type dirigible of German Cargolifter company development; Long 260 meters, 65 meters of diameters, Russia is developing big load dirigible; This dirigible diameter is 58 meters, long 290 meters, and 200 tons of actual load.Because the structural entity assembly problem that aerostatics physical dimension super large is brought is very outstanding, can't guarantee installation process weak point, safety and precision with conventional technology and frock.Press for and develop a kind of simple operation, be suitable for the technology that the super large light structures is installed, safety is installed with further minimizing set-up time, assurance assembly precision, enhancing installation wind loading rating and raising.
Summary of the invention
To the problem that exists in the prior art; The present invention proposes a kind of raising method of space truss structure; Mainly be with the auxiliary restriction technique of jacking equipment parallel top Shengji's art and ground; Through the parallel assembly problem that solves the aerostatics mammoth structure that assembles fast between standard module, this method also can be used for the assembling of large space trussed constructions such as steel structure simultaneously.
The present invention proposes a kind of space truss structure raising method, and rising according to elevating stage promotes superstructure, and substructure is installed; Installing the back elevating stage descends; Promote superstructure once more, next substructure is installed, install until total; Each substructure of installing changes according to the difference of structural entity form, specifically comprises following step:
Step 1: the ground location of each column in the trussed construction of confirming to desire to build, place one group of jacking equipment respectively at each ground location point, every group of jacking equipment is made up of two jacking equipment monomers;
Step 2: the ground location point with each column is an angle point; Choose the polygonal center that line constitutes between each angle point; On the extended line direction of polygonal center and corresponding angle point line, hoist engine is set respectively, the distance between a volume machine and the polygon angle point is H
0, H
0Be the trussed construction overall height, be respectively arranged with a hoist engine on each angle point direction, the pulled by cable direction of hoist engine is aimed at polygonal center;
Step 3: in the middle of two jacking equipment monomers of every group of jacking equipment, place a link block A in length and breadth; And laterally connect adjacent two link block A in length and breadth through the straight modules A of horizontal square frame, form with each in length and breadth link block A be the top layer trussed construction of angle point;
Step 4: link block A binds with jacking equipment and is connected in length and breadth, and the top layer trussed construction is fixed, and the wire rope of hoist engine is bound with the corresponding A of link block in length and breadth be connected, and jacking equipment upwards promotes, and the hoist engine wire rope is lax;
Step 5: drive in length and breadth link block A through jacking equipment and rise, when hoisting depth for stopping the wire rope of tensioning hoisting machine, fixedly trussed construction top apart from behind 6.5 meters～6.6 meters on the ground;
Step 6: connect vertical truss A on the downward longitudinal direction of link block A in length and breadth at each, form first section vertical truss;
Step 7: the bottom that jacking equipment drop to vertical direction truss A destination location; Through vertical truss A support, top, remove the binding of link block A and jacking equipment in length and breadth, make jacking equipment continue to drop to lowest part then; Hoist engine tightens up wire rope, constraint truss top;
Step 8: the bottom of binding jacking equipment and vertical truss A; Loosen the hoist engine wire rope; Promote 6.5～6.6 meters on vertical truss A distance from bottom ground, vertical truss B is installed straight down, form second section vertical truss in the bottom of the vertical truss A of first section vertical truss;
Step 9: behind second section vertical truss of installation, jacking equipment drops to second section vertical truss bottom and lands, and supports total; Remove jacking equipment and the vertically binding of truss A bottom; Make jacking equipment drop to lowest part, hoist engine tightens up wire rope, constraint truss top;
Step 10: bottom and the jacking equipment of vertical truss B are bound, loosened the hoist engine wire rope, promote 6.5～6.6 meters on vertical truss B distance from bottom ground, tensioning hoisting machine wire rope, constraint truss top;
Step 11: link block B in length and breadth is installed respectively in vertical truss B bottom; The bottom of link block B lands to make jacking equipment drop in length and breadth then; Support total, remove the constraint of vertical truss B and jacking equipment after, make jacking equipment drop to minimum point;
Step 12: adjacent two in length and breadth between the link block B laterally connection horizontal accomplish building of first floor trussed construction to the straight module B of square frame;
Step 13: repeating step four is accomplished remaining each layer connection of trussed construction in order to step 12, finally accomplishes building of whole space truss structure.The invention has the advantages that:
1, the present invention provides a kind of raising method of space truss structure, has solved the installation difficult point of aerostatics mammoth structure, avoids the use of huge and lifting erection equipment superelevation;
2, the present invention provides a kind of raising method of space truss structure, and installation rate is fast, efficient is high, safe;
3, the present invention provides a kind of raising method of space truss structure, and is little to the dependence of huge fixture system;
4, the present invention provides a kind of raising method of space truss structure, and all structure assembly operations have reduced the risk of work high above the ground all in completion near the ground.
Description of drawings
Fig. 1: the structural representation of space trussed construction among the present invention;
Fig. 2: the installation site sketch map of jacking equipment among the present invention;
Fig. 3: the sketch map of jacking equipment among the present invention;
Fig. 4: the installation site sketch map among the present invention;
Fig. 5: the straight modules A sketch map of horizontal square frame is installed among the present invention;
Fig. 6: promote the sketch map of link block A in length and breadth among the present invention;
Fig. 7: the sketch map that vertical truss A is installed among the present invention;
Fig. 8: the sketch map of jacking equipment landing among the present invention;
Fig. 9: the sketch map that promotes vertical truss A among the present invention;
Figure 10: the sketch map that vertical truss B is installed among the present invention;
Figure 11: link block in length and breadth is installed among the present invention;
Figure 12: the sketch map that the straight module B of horizontal square frame is installed among the present invention;
Figure 13: the structural representation of accomplishing the overall space truss module among the present invention.
The specific embodiment
Through accompanying drawing and embodiment the present invention is further explained below.
The present invention proposes a kind of space truss structure raising method and can accomplish and build multilayer (more than or equal to 2 layers) trussed construction; As shown in Figure 1; Trussed construction can be triangular prism trussed construction, quadrangular trussed construction, pentagonal prism trussed construction or six prismatic trussed constructions, specifically comprises following step:
Step 1: the ground location of each column in the trussed construction of confirming to desire to build, place one group of jacking equipment respectively at each ground location point, as shown in Figure 2.The bearing capacity F of described jacking equipment satisfies F >=4G; G is the gross weight of the trussed construction desiring to build, and the upward stroke L of jacking equipment satisfies L >=(H+4 rice), and H is the height of vertical module; Every group of jacking equipment is made up of two jacking equipment monomers; As shown in Figure 3, the distance between two monomers is 2B, and B is the vertical cross section length of side of truss in the trussed construction.
Step 2: the ground location point with each column is an angle point; Choose the polygonal center that line constitutes between each angle point; On the extended line direction of polygonal center and corresponding angle point line, hoist engine is set respectively, the distance between a volume machine and the polygon angle point is H
0, H
0Be the trussed construction overall height, be respectively arranged with a hoist engine on each angle point direction, as shown in Figure 4, the pulled by cable direction of hoist engine is aimed at polygonal center.Described hoist engine bearing capacity F
1Satisfy F
1>=10000N, hoist engine wire rope folding and unfolding length L
1Satisfy L
1>=2H
0
Step 3: in the middle of two jacking equipment monomers of every group of jacking equipment, place a link block A in length and breadth; And laterally connect adjacent two link block A in length and breadth through the straight modules A of horizontal square frame; Formation with each in length and breadth link block A be the top layer trussed construction of angle point, as shown in Figure 5.
Step 4: link block A binds with jacking equipment and is connected in length and breadth, and the top layer trussed construction is fixed.The wire rope of hoist engine is connected with the corresponding A of link block in length and breadth binding, and jacking equipment upwards promotes, and the hoist engine wire rope is lax.
Step 5: drive in length and breadth link block A through jacking equipment and rise, when hoisting depth for stopping apart from behind 6.5 meters～6.6 meters on the ground, the hoisting depth of every group of jacking equipment should equate in the lifting process, discrepancy in elevation error is no more than 0.5 meter, and is as shown in Figure 6.Promote and finish the wire rope of back through the tensioning hoisting machine, fixedly trussed construction top.
Step 6: connect vertical truss A on the downward longitudinal direction of link block A in length and breadth at each, form first section vertical truss, as shown in Figure 7.
Step 7: the bottom that jacking equipment drop to vertical direction truss A destination location, through vertical truss A support, top, removes the binding of link block A and jacking equipment in length and breadth; Make jacking equipment continue to drop to lowest part then; Hoist engine tightens up wire rope, and constraint truss top is as shown in Figure 8.
Step 8: the bottom of binding jacking equipment and vertical truss A; Loosen the hoist engine wire rope, promote 6.5～6.6 meters on vertical truss A distance from bottom ground, vertical truss B is installed straight down in the bottom of the vertical truss A of first section vertical truss; Form second section vertical truss, as shown in Figure 9.
Step 9: behind second section vertical truss of installation; Jacking equipment drops to second section vertical truss bottom and lands, and supports total, and is shown in figure 10; Remove jacking equipment and the vertically binding of truss A bottom; Make jacking equipment drop to lowest part, hoist engine tightens up wire rope, constraint truss top.
Step 10: bottom and the jacking equipment of vertical truss B are bound, loosened the hoist engine wire rope, promote 6.5～6.6 meters on vertical truss B distance from bottom ground, tensioning hoisting machine wire rope, constraint truss top.
Step 11: link block B in length and breadth is installed respectively in vertical truss B bottom; The bottom of link block B lands to make jacking equipment drop in length and breadth then, supports total, and is shown in figure 11; After removing the constraint of vertical truss B and jacking equipment, make jacking equipment drop to minimum point.
Step 12: adjacent two in length and breadth between the link block B laterally connection horizontal to the straight module B of square frame, shown in figure 12, accomplish building of first floor trussed construction.
Step 13: repeating step four is accomplished each layer connection at trussed construction top in order to step 12, and is shown in figure 13, finally accomplishes building of whole space truss structure.
Embodiment 1:The trussed construction of desiring to build in the present embodiment is the triangular prism trussed construction, totally 6 layers of truss, and every floor height is 18 meters, is made up of 26 meters vertical truss and 23 meters link block in length and breadth for 18 meters, vertically the truss cross section is an equilateral triangle.Large-scale triangular prism truss horizontal section is an equilateral triangle, and the length of side is 50 meters, and is as shown in Figure 1.
Step 1: each column ground location of the triangular prism truss that the location desires to build, place jacking equipment respectively at the ground location place of each column, a stud is placed one group of jacking equipment, and is as shown in Figure 3.
Step 2: forming triangle with three column centers of triangular prism at the subpoint on ground, is reference point with leg-of-mutton angle point, in the extended line direction of leg-of-mutton center and angle point line hoist engine is set, and the distance between volume field machine and the triangle angle point is H
0, three directions are provided with three hoist engines altogether;
Step 3: place a link block A in length and breadth at every group of jacking equipment top; Link block A is arranged on the centre of two jacking equipment monomers in every group of jacking equipment in length and breadth; With three in length and breadth link block A be angle point; Be connected to form the horizontal triangle square frame of top layer through the straight modules A of horizontal square frame, as shown in Figure 5.
Step 4: with three in length and breadth link block A and jacking equipment bind the wire rope that is connected hoist engine and be connected with the corresponding A of link block in length and breadth binding, when jacking equipment promoted, the hoist engine wire rope relaxed.
Step 5: driving in length and breadth through jacking equipment, link block A rises; And then promote the horizontal triangle square frame of top layer, and hoisting depth is for stopping apart from behind 6.5 meters-6.6 meters on the ground, and the hoisting depth of three groups of jacking equipments should equate in the lifting process; Discrepancy in elevation error is no more than 0.5 meter, and is as shown in Figure 6.Promote and finish the wire rope of back through the tensioning hoisting machine, fixedly trussed construction top.
Step 6: on the longitudiual truss of the A of link block in length and breadth of each three corner location respectively downwards (being the ground direction) connect vertical truss A, form first section vertical truss, as shown in Figure 7.
Step 7: the bottom that jacking equipment drop to vertical truss A destination location; Through the horizontal triangle square frame of vertical truss A support, top; Remove the binding of link block A and jacking equipment in length and breadth; Make jacking equipment continue to drop to lowest part then, hoist engine tightens up wire rope, and the vertical truss of constraint top layer top is as shown in Figure 8.
Step 8: bind the bottom of jacking equipment and vertical truss A, loosen the hoist engine wire rope, promote vertical truss A, vertical truss B is installed straight down, form second section vertical truss in the bottom of vertical truss A apart from 6.5 meters-6.6 meters on ground, as shown in Figure 9.
Step 9: behind second section vertical truss of installation, jacking equipment drops to vertical truss B bottom and lands, and supports total, and is shown in figure 10.After removing the binding of jacking equipment and vertical truss B bottom, jacking equipment drops to lowest part.Hoist engine tightens up wire rope, constraint truss top.
Step 10: bottom and the jacking equipment of vertical truss B are bound.Loosen the hoist engine wire rope, promote vertical truss B6.5 rice-6.6 meter, tensioning hoisting machine wire rope, constraint truss top.
Step 11: link block B in length and breadth is installed in vertical truss B bottom.Jacking equipment drops in length and breadth that the bottom of link block B lands, and supports total, and is shown in figure 11.Remove the constraint of vertical truss B and jacking equipment, jacking equipment drops to minimum point.
Step 12: adjacent two in length and breadth between the link block B laterally connection horizontal to the straight module B of square frame, shown in figure 12, accomplish building of first floor trussed construction.
Step 13: repeating step four is accomplished second connection to layer 6 at trussed construction top in order to step 13, and is shown in figure 13.
Claims (4)
1. space truss structure raising method is characterized in that: specifically comprise following step:
Step 1: the ground location of each column in the trussed construction of confirming to desire to build, place one group of jacking equipment respectively at each ground location point, every group of jacking equipment is made up of two jacking equipment monomers;
Step 2: the ground location point with each column is an angle point; Choose the polygonal center that line constitutes between each angle point; On the extended line direction of polygonal center and corresponding angle point line, hoist engine is set respectively, the distance between a volume machine and the polygon angle point is H
0, H
0Be the trussed construction overall height, be respectively arranged with a hoist engine on each angle point direction, the pulled by cable direction of hoist engine is aimed at polygonal center;
Step 3: in the middle of two jacking equipment monomers of every group of jacking equipment, place a link block A in length and breadth; And laterally connect adjacent two link block A in length and breadth through the straight modules A of horizontal square frame, form with each in length and breadth link block A be the top layer trussed construction of angle point;
Step 4: link block A binds with jacking equipment and is connected in length and breadth, and the top layer trussed construction is fixed, and the wire rope of hoist engine is bound with the corresponding A of link block in length and breadth be connected, and jacking equipment upwards promotes, and the hoist engine wire rope is lax;
Step 5: drive in length and breadth link block A through jacking equipment and rise, when hoisting depth for stopping the wire rope of tensioning hoisting machine, fixedly trussed construction top apart from behind 6.5 meters～6.6 meters on the ground;
Step 6: connect vertical truss A on the downward longitudinal direction of link block A in length and breadth at each, form first section vertical truss;
Step 7: the bottom that jacking equipment drop to vertical direction truss A destination location; Through vertical truss A support, top, remove the binding of link block A and jacking equipment in length and breadth, make jacking equipment continue to drop to lowest part then; Hoist engine tightens up wire rope, constraint truss top;
Step 8: the bottom of binding jacking equipment and vertical truss A; Loosen the hoist engine wire rope; Promote 6.5～6.6 meters on vertical truss A distance from bottom ground, vertical truss B is installed straight down, form second section vertical truss in the bottom of the vertical truss A of first section vertical truss;
Step 9: behind second section vertical truss of installation, jacking equipment drops to second section vertical truss bottom and lands, and supports total; Remove jacking equipment and the vertically binding of truss A bottom; Make jacking equipment drop to lowest part, hoist engine tightens up wire rope, constraint truss top;
Step 10: bottom and the jacking equipment of vertical truss B are bound, loosened the hoist engine wire rope, promote 6.5～6.6 meters on vertical truss B distance from bottom ground, tensioning hoisting machine wire rope, constraint truss top;
Step 11: link block B in length and breadth is installed respectively in vertical truss B bottom; The bottom of link block B lands to make jacking equipment drop in length and breadth then; Support total, remove the constraint of vertical truss B and jacking equipment after, make jacking equipment drop to minimum point;
Step 12: adjacent two in length and breadth between the link block B laterally connection horizontal accomplish building of first floor trussed construction to the straight module B of square frame;
Step 13: repeating step four is accomplished remaining each layer connection of trussed construction in order to step 12, finally accomplishes building of whole space truss structure.
2. a kind of space truss structure raising method according to claim 1; It is characterized in that: the bearing capacity F of jacking equipment satisfies F >=4G in the step 1; G is the gross weight of the trussed construction desiring to build, and the upward stroke L of jacking equipment satisfies L >=H+4 rice, and H is the height of vertical module.
3. a kind of space truss structure raising method according to claim 1 is characterized in that: the distance in the step 1 between two of every group of jacking equipment jacking equipment monomers is 2B, and B is the vertical cross section length of side of truss in the trussed construction.
4. a kind of space truss structure raising method according to claim 1 is characterized in that: hoist engine bearing capacity F in the step 2
1Satisfy F
1>=10000N, hoist engine wire rope folding and unfolding length L
1Satisfy L
1>=2H
0
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182339 CN102304943B (en) | 2011-06-30 | 2011-06-30 | Jacking method for space truss structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110182339 CN102304943B (en) | 2011-06-30 | 2011-06-30 | Jacking method for space truss structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102304943A true CN102304943A (en) | 2012-01-04 |
| CN102304943B CN102304943B (en) | 2013-05-08 |
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ID=45378845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110182339 Expired - Fee Related CN102304943B (en) | 2011-06-30 | 2011-06-30 | Jacking method for space truss structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971115A (en) * | 2016-06-29 | 2016-09-28 | 西安汾阳钢结构有限公司 | Truss units, jacking formwork, jacking device and jacking and dismantling methods |
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-
2011
- 2011-06-30 CN CN 201110182339 patent/CN102304943B/en not_active Expired - Fee Related
Patent Citations (5)
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| EP0469182A2 (en) * | 1990-07-30 | 1992-02-05 | Vulkan Engineering Gmbh | Device for lifting, lowering and the water carriage of heavy loads |
| JP2004156343A (en) * | 2002-11-07 | 2004-06-03 | Kajima Corp | Composite truss bridge and its construction method |
| CN101806153A (en) * | 2009-02-16 | 2010-08-18 | 上海市机械施工有限公司 | Knock-down horizontal truss used for resisting lateral bending in lifting sheet large-span steel truss |
| CN102091886A (en) * | 2009-12-14 | 2011-06-15 | 上海市基础工程有限公司 | Integral welding closure method for large orthotropically combined steel truss bridge |
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Non-Patent Citations (1)
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|---|
| 余跃: "交错桁架结构体系的新特点和设计及安装", 《山西建筑》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971115A (en) * | 2016-06-29 | 2016-09-28 | 西安汾阳钢结构有限公司 | Truss units, jacking formwork, jacking device and jacking and dismantling methods |
| CN105971115B (en) * | 2016-06-29 | 2018-09-25 | 西安汾阳钢结构有限公司 | Truss element, jacking frame body, jacking apparatus, jacking and method for dismounting |
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| Publication number | Publication date |
|---|---|
| CN102304943B (en) | 2013-05-08 |
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Granted publication date: 20130508 Termination date: 20160630 |