CN109339463A - Two-way belfast truss assemble method - Google Patents

Two-way belfast truss assemble method Download PDF

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Publication number
CN109339463A
CN109339463A CN201811394692.7A CN201811394692A CN109339463A CN 109339463 A CN109339463 A CN 109339463A CN 201811394692 A CN201811394692 A CN 201811394692A CN 109339463 A CN109339463 A CN 109339463A
Authority
CN
China
Prior art keywords
mobile jib
backward
bending mobile
plate
bending
Prior art date
Application number
CN201811394692.7A
Other languages
Chinese (zh)
Inventor
李晓铭
杨晓建
苏汉胜
所明义
Original Assignee
防城港中重工有限公司
防城港中一重工有限公司
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by 防城港中重工有限公司, 防城港中一重工有限公司 filed Critical 防城港中重工有限公司
Priority to CN201811394692.7A priority Critical patent/CN109339463A/en
Publication of CN109339463A publication Critical patent/CN109339463A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Abstract

The invention discloses a kind of two-way belfast truss assemble method, job steps are as follows: 1. dispose horizonal base plate on construction ground;2. by the measure axis of mobile jib forward and backward in drawing in the horizontal plane on bottom plate, in welding forward and backward baffle on the bottom plate at the left and right both ends of each axis, multiple moulding bed steel plates are welded between left and right baffle at corresponding axis, the height of each moulding bed steel plate is equal to absolute altitude of each corresponding points on vertical plane on the mobile jib of the axis;3. forward and backward pre-bending mobile jib is in place by axle line position, i.e., pre-bending mobile jib both ends are installed between the forward and backward baffle at the left and right both ends of respective axes, pre-bending mobile jib is shelved on each moulding bed steel plate of respective axes;4. carrying out horizontal curved arc using the forward and backward pre-bending mobile jib of jack pair;5. carrying out vertical curved arc using the forward and backward pre-bending mobile jib of jack pair;6. the lacing between the forward and backward pre-bending mobile jib of assembly welding.The problem of quickly truss can be positioned using the present invention and made, complicated positioning, low efficiency are avoided.

Description

Two-way belfast truss assemble method

Technical field

The present invention relates to architectural engineering construction technique, specially a kind of two-way belfast truss assemble method.

Background technique

Tubular truss is structure made of one kind is hinged at both ends each other as rod piece, and truss is made of general straight-bar Plane or space structure with triangular element.

Tube truss structure applies more and more extensive, shared ratio increasing in the field of construction, especially in sport It is used widely in the long span buildings such as venue, high-speed rail platform, airport building, logistic storage, High Rise Business Building.Tubular truss The application of structure requires the functional requirement of building, sense organ people and economic benefit requires ideally to be combined together.

Truss has triangular truss, parallel chord truss, polygonal truss, parallel chord truss and vierendeel truss by shape point. When selecting truss form, purposes, material, support pattern and the execution conditions of truss should be comprehensively considered, meeting requirement Under the premise of, make every effort to manufacture and install material and the amount of labour used for minimum.

With being widely used for truss, various all kinds of truss form is weeded out the old and bring forth the new, and the application of especially belfast truss is got over Come wider, the assembled quality requirement of belfast truss is higher and higher, and belfast truss assembling difficulty is larger, used assemble method effect Rate is relatively slow, structure assembly precision is difficult to guarantee, and project progress cannot be protected.

Summary of the invention

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to propose a kind of assembled easy, precision Easily controlled two-way belfast truss assemble method.

It is able to solve the two-way belfast truss assemble method of above-mentioned technical problem, technical solution includes including following operation Step:

1, the bottom plate of assembled truss is above disposed on construction ground and level bottom plate with level.

2, by the forward and backward mobile jib of truss in drawing measure axis in the horizontal plane on bottom plate, in each axis left and right two Weld forward and backward baffle on the bottom plate at end, the pitch match mobile jib diameter of forward and backward baffle, between left and right baffle at corresponding axis Uniform intervals are welded with multiple moulding bed steel plates on bottom plate, and the height of each moulding bed steel plate is equal to each corresponding points on the mobile jib of the axis Absolute altitude on drawing.

3, forward and backward pre-bending mobile jib is tentatively in place by axle line position, i.e., pre-bending mobile jib both ends are installed on respective shaft Between the forward and backward baffle at the left and right both ends of line, the body of rod of pre-bending mobile jib is shelved on each moulding bed steel plate in respective axes.

4, plane curved arc is carried out to forward and backward pre-bending mobile jib respectively, that is, uses the corresponding position of jack pushing tow pre-bending mobile jib And pushing tow position is heated with flame gun simultaneously, until the radian of pre-bending mobile jib meets the requirement of drawing size.

5, vertical plane curved arc is carried out to forward and backward pre-bending mobile jib respectively, i.e., inverted L shape auxiliary frame point is welded on bottom plate and is corresponded to At the position that pre-bending mobile jib needs to adjust, jack is installed in the inverted L shape auxiliary frame bottom above pre-bending mobile jib, jack Downward pushing tow pre-bending mobile jib simultaneously heats pushing tow position with flame gun simultaneously, until the radian of pre-bending mobile jib meets drawing size and wants It asks.

6, the lacing between the forward and backward pre-bending mobile jib of assembly welding.

It, should be in the lacing group welding equipment between forward and backward pre-bending mobile jib to prevent forward and backward pre-bending mobile jib resilience adjusted The thrust of jack is unloaded after the completion of connecing again.

Beneficial effects of the present invention:

1, quickly truss mobile jib locations of contours can be made of the two-way belfast truss assemble method of the present invention, it is fixed to avoid The problem of position complexity, low efficiency.

2, material stress can be eliminated using the method for the present invention, effectively prevent post welding distortion.

3, the method for the present invention plays the role of reference to belfast truss production field, can also be extended to similar neck Domain.

Detailed description of the invention

Fig. 1 is the Construction Principle figure of one embodiment of the present invention.

Fig. 2 is the A direction view in Fig. 1.

Fig. 3 is the B-B cross-sectional view in Fig. 1.

Fig. 4 is the C-C cross-sectional view in Fig. 2.

Figure number mark: 1, bottom plate;2, preceding pre-bending mobile jib;3, rear pre-bending mobile jib;4, baffle;5, moulding bed steel plate;6, axis;7, Jack;8, flame gun;9, inverted L shape auxiliary frame;10, lacing.

Specific embodiment

Illustrated embodiment is described further technical solution of the present invention with reference to the accompanying drawing.

The two-way belfast truss assemble method of the present invention is based on bottom plate 1 and implements, and to use include inverted L shape auxiliary frame 9, very heavy The auxiliary implements such as top 7, moulding bed steel plate 5, baffle 4, flame gun 8, the job step implemented are as follows:

1, the bottom plate 1 of assembled truss is above disposed on construction ground and level bottom plate 1 with level.

2, by 6 setting-out of axis in the horizontal plane of the preceding mobile jib of truss in drawing on 1 front of bottom plate, left in the axis 6, Weld forward and backward baffle 4 on the bottom plate 1 at right both ends, mobile jib diameter before the pitch match of forward and backward baffle 4, between left and right baffle 4 Along axis 6, there are four moulding bed steel plates 5, the height of each moulding bed steel plate 5 to be equal to preceding mobile jib for uniform intervals welding from left to right on bottom plate 1 Upper absolute altitude of each corresponding points on vertical plane;Similarly, by 6 setting-out of axis in the horizontal plane of the rear mobile jib of truss in drawing the bottom of in On 1 rear portion of plate, in welding forward and backward baffle 4 on the bottom plate 1 at the left and right both ends of axis 6, led after the pitch match of forward and backward baffle 4 Shank diameter, along axis 6, there are four moulding bed steel plate 5, each tires for uniform intervals welding from left to right on the bottom plate 1 between left and right baffle 4 The height of frame steel plate 5 is equal to absolute altitude of each corresponding points on vertical plane on rear mobile jib, as shown in Figure 1 and Figure 2.

3, that preceding pre-bending mobile jib 2 is pressed 6 position of preceding axis on bottom plate 1 is tentatively in place, i.e., by the both ends card of preceding pre-bending mobile jib 2 Between the forward and backward baffle 4 at the left and right both ends of preceding axis 6, the body of rod of preceding pre-bending mobile jib 2 is shelved on four on preceding axis 6 On moulding bed steel plate 5;Similarly, that rear pre-bending mobile jib 3 is pressed 6 position of posterior axis on bottom plate 1 is tentatively in place, i.e., by rear pre-bending mobile jib 3 Both ends be installed between the forward and backward baffle 4 at the left and right both ends of posterior axis 6, the body of rod of rear pre-bending mobile jib 3 is shelved on posterior axis 6 On four moulding bed steel plates 5 on, as shown in Figure 1, Figure 2, Figure 3 shows.

4, plane curved arc is carried out to preceding pre-bending mobile jib 2, i.e., between first, second moulding bed steel plate 5 and third, the 4th tire Respectively using pre-bending mobile jib before two jack 7 forward pushing tow between frame steel plate 5, two pushing tow positions are respectively equipped with flame gun 8 It is heated, until the radian of preceding pre-bending mobile jib 2 meets the requirement of drawing size;It is curved that vertical plane is carried out to preceding pre-bending mobile jib 2 later Arc, i.e., by the preceding pre-bending mobile jib 2 between third, the 4th moulding bed steel plate 5 between first, second moulding bed steel plate 5 respectively Spot welding inverted L shape auxiliary frame 9 is in the inverted L shape auxiliary frame on bottom plate 1, before two jack 7 are installed in respectively above pre-bending mobile jib 2 Pushing tow position pre-bending mobile jib 2 and is heated with flame gun 8 simultaneously before two downward pushing tows of jack 7, until preceding pre-bending master in 9 bottoms The radian of bar 2 meets the requirement of drawing size, as shown in Figure 1, Figure 2, Figure 3, Figure 4.

5, horizontal and vertical curved arc is carried out to rear pre-bending mobile jib 3 suddenly by step 4.

6, the lacing 10 between the forward and backward pre-bending mobile jib 2,3 of assembly welding and form complete two-way belfast truss, such as Fig. 1 It is shown.

7, whole jack 7 is removed.

Claims (2)

1. two-way belfast truss assemble method, including following job step:
1., the upper bottom plate (1) for disposing assembled truss and level bottom plate (1) with level on construction ground;
2., by axis (6) setting-out in the horizontal plane of the forward and backward mobile jib of truss in drawing on bottom plate (1), in each axis (6) It is welded forward and backward baffle (4) on the bottom plate (1) at left and right both ends, the pitch match mobile jib diameter of forward and backward baffle (4), left and right baffle (4) uniform intervals are welded with multiple moulding bed steel plates (5) on bottom plate (1) at corresponding axis (6) between, each moulding bed steel plate (5) Height be equal to the axis (6) mobile jib on absolute altitude of each corresponding points on drawing;
3., by forward and backward pre-bending mobile jib (2,3) by forward and backward axis (6) position it is tentatively in place, i.e., pre-bending mobile jib both ends are installed on Between the forward and backward baffle (4) at respective axes (6) left and right both ends, the body of rod of pre-bending mobile jib is shelved on respective axes (6) On each moulding bed steel plate (5);
4., plane curved arc is carried out to forward and backward pre-bending mobile jib (2,3) respectively, i.e., it is corresponding using jack (7) pushing tow pre-bending mobile jib Pushing tow position is simultaneously heated with flame gun (8) simultaneously in position, until the radian of pre-bending mobile jib meets the requirement of drawing size;
5., respectively to forward and backward pre-bending mobile jib (2,3) carry out vertical plane curved arc, i.e., by inverted L shape auxiliary frame (9) point be welded in bottom plate (1) It goes up and corresponds at the position that pre-bending mobile jib needs to adjust, inverted L shape auxiliary frame jack (7) being installed in above pre-bending mobile jib (9) bottom, pushing tow pre-bending mobile jib simultaneously heats pushing tow position with flame gun (8) simultaneously to jack (7) downwards, until pre-bending mobile jib Radian meets the requirement of drawing size;
6., the lacing (10) between the forward and backward pre-bending mobile jib of assembly welding (2,3).
2. two-way belfast truss assemble method according to claim 1, it is characterised in that: forward and backward pre-bending mobile jib (2,3) it Between lacing (10) assembly welding after the completion of unload the thrust of jack (7) again.
CN201811394692.7A 2018-11-21 2018-11-21 Two-way belfast truss assemble method CN109339463A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201189529Y (en) * 2008-05-29 2009-02-04 中冶天工建设有限公司 Monorail arc segment processing tool
CN101664776A (en) * 2008-09-05 2010-03-10 成龙建设集团有限公司 Method for bending large-diameter arc pipe in site and large-diameter arc pipe fixing device
CN201969753U (en) * 2011-01-13 2011-09-14 安徽跨宇钢结构网架工程有限公司 Arching bending device for steel pipes with large diameters and thick walls
CN102240711A (en) * 2011-06-28 2011-11-16 于沛洲 Three-dimensional bending, twisting and forming die based on multi-point control
CN203470575U (en) * 2013-09-29 2014-03-12 芜湖天航科技(集团)股份有限公司 Blanking and bending platform of special-shaped steel tube truss structure
KR20170031481A (en) * 2015-09-11 2017-03-21 한문섭 An apparatus and method for manufacturing door frame for camping car
CN108246851A (en) * 2018-03-23 2018-07-06 中国十七冶集团有限公司 The simple fire bending bending method of rail
CN207952298U (en) * 2018-03-21 2018-10-12 中国五冶集团有限公司 Forming control structure for curved steel tube in roof truss structure

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201189529Y (en) * 2008-05-29 2009-02-04 中冶天工建设有限公司 Monorail arc segment processing tool
CN101664776A (en) * 2008-09-05 2010-03-10 成龙建设集团有限公司 Method for bending large-diameter arc pipe in site and large-diameter arc pipe fixing device
CN201969753U (en) * 2011-01-13 2011-09-14 安徽跨宇钢结构网架工程有限公司 Arching bending device for steel pipes with large diameters and thick walls
CN102240711A (en) * 2011-06-28 2011-11-16 于沛洲 Three-dimensional bending, twisting and forming die based on multi-point control
CN203470575U (en) * 2013-09-29 2014-03-12 芜湖天航科技(集团)股份有限公司 Blanking and bending platform of special-shaped steel tube truss structure
KR20170031481A (en) * 2015-09-11 2017-03-21 한문섭 An apparatus and method for manufacturing door frame for camping car
CN207952298U (en) * 2018-03-21 2018-10-12 中国五冶集团有限公司 Forming control structure for curved steel tube in roof truss structure
CN108246851A (en) * 2018-03-23 2018-07-06 中国十七冶集团有限公司 The simple fire bending bending method of rail

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