CN204098218U - Longitudiual truss - Google Patents
Longitudiual truss Download PDFInfo
- Publication number
- CN204098218U CN204098218U CN201420499556.5U CN201420499556U CN204098218U CN 204098218 U CN204098218 U CN 204098218U CN 201420499556 U CN201420499556 U CN 201420499556U CN 204098218 U CN204098218 U CN 204098218U
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- CN
- China
- Prior art keywords
- end plate
- plate
- chord member
- connection
- connection end
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of longitudiual truss, be provided with the first connection end plate in the end of the horizontal node chord member of the chord member that winds up, the end of the horizontal node chord member of lower edge chord member is provided with the second connection end plate; First connects end plate, the second connection end plate surrounding is respectively equipped with multiple triangle strength plate A and triangle strength plate B; In left and right, the end of oblique web member is provided with the 3rd connection end plate, is provided with the 4th connects end plate in the end of left and right horizontal web member, and the 3rd connects end plate, the 4th surrounding connecting end plate is respectively equipped with multiple triangle strength plate C and triangle strength plate D; First connection end plate, second connects end plate, the 3rd connection end plate is connected end plate with the 4th and is equipped with multiple bolt hole, is also provided with multiple high-strength bolt auxiliary connection.The utility model decreases overhead welding construction and drops into for the safety device of overhead welding construction, saves safety device input cost; Accelerating construction progress, raising workmanship; Reduce security risk, reduce and manually drop into, improve workshop availability ratio of the armor plate.
Description
Technical field
The utility model relates to construction steel structure space truss structure technical field, particularly refers to a kind of longitudiual truss.
Background technology
In prior art, in the construction of structural steelwork truss installa-tion, especially in the installation of large-span space steel work, the connected node joint weld quality of longitudiual truss and cross binding truss is not easy to ensure, each component physical dimension is by being generally comparatively difficult to ensure after welding that card is in specification (GB50205-2001) allowed band, and construction speed is difficult to improve further, and workmanship is not easy to improve, security risk is very high, and recruitment cost and facility drop into all larger.
Summary of the invention
For solving the problem, the purpose of this utility model be to provide a kind of structure more simple, rationally, safety, efficient, the more guaranteed longitudiual truss of quality.
For achieving the above object, the longitudiual truss that the utility model provides, comprises the chord member that winds up, left and right horizontal web member, lower edge chord member, the oblique web member in left and right; The horizontal node chord member of chord member of winding up is connected with left and right horizontal web member, the horizontal node chord member of lower edge chord member is crossing with the oblique web member in left and right to be connected, it is characterized in that: be provided with in the end at the horizontal node chord member distance longitudiual truss back gauge 350mm place of the chord member that winds up the first connection end plate having multiple bolt hole, the end at the horizontal node chord member distance longitudiual truss back gauge 350mm place of lower edge chord member is provided with the second connection end plate having multiple bolt hole;
Described first surrounding connecting end plate is provided with multiple triangle strength plate A, and triangle strength plate A is that center divergence form is arranged around the outer wall of the horizontal node chord member of the chord member that winds up; Described second connects end plate surrounding is provided with multiple triangle strength plate B, and triangle strength plate B is that center divergence form is arranged around the outer wall of the horizontal node chord member of lower edge chord member;
In left and right, oblique web member is provided with apart from the end at longitudiual truss back gauge 350mm place the 3rd connection end plate having multiple bolt hole, 3rd surrounding connecting end plate is provided with multiple triangle strength plate C, and the outer wall of described triangle strength plate C oblique web member around left and right is that center divergence form is arranged;
The 4th connection end plate having multiple bolt hole is provided with in the end at left and right horizontal web member distance longitudiual truss back gauge 350mm place, 4th surrounding connecting end plate is provided with multiple triangle strength plate D, and described triangle strength plate D is that center divergence form is arranged around the outer wall of left and right horizontal web member;
Also be provided with multiple high-strength bolt auxiliary connection matched with bolt hole.
Preferably, described first connection end plate, second connects end plate, the 3rd connection end plate and the 4th is connected end plate and is circular slab, and multiple bolt hole is all arranged along circular slab even circumferential.
The utility model has the advantage of: existing end plate fastening welding during the utility model assembling, triangle strength plate is had again to strengthen fixing welding, both ensure that the bonding strength of this node in turn ensure that the physical dimension of this node does not produce skew and distortion, and also made welding quality obtain reinforcement; This structure connects owing to have employed bolt, solves interface connected node welding quality in the construction of high-altitude and not easily ensures, the trussmember problem on deformation caused by the various unfavorable factor such as temperature, wind-force affects produced various STRESS VARIATION impermanence; Connected mode of the present utility model is welded to connect by changing into workshop from overhead welding connection, building-site adopts high-strength bolt to connect after after width connection, construction method of installation step significantly reduces, can great amount of cost be saved, reduce the engineering time, reduce security risk and the components (as roofing chord member) such as cross binding truss can be linked together well.
The utility model set up connect that dull material (dull plate) that end plate can make full use of workshop carries out cutting, setting-out, drilling, thousand people's one sides a standard can be performed by plane projection setting-out, the product quality of welding quality, node apparatus component is all guaranteed, be convenient to standardization, mass, batch production, industrialization, standardization pipelining, efficiency improves, and production operation costs reduce; Can not only change current truss construction Assembling precision not easily ensure and set up safe construction operating platform expense expect, take a lot of work, time-consuming, joint weld welding quality not easily ensures, security risk is large, slowly, equipment investment amount is large waits cost to rise violently problem, and it is few to improve equipment investment in construction, artificial less investment, construction and installation speed is fast, and component quality and construction quality all easily obtain being satisfied with phenomenon, makes each combined member carry out organically combination more perfect, reasonable, meticulous.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model.
In figure: left and right horizontal web member 1, the oblique web member 2 in left and right, the horizontal node chord member 3 of the chord member that winds up, the horizontal node chord member 4 of lower edge chord member, first connects end plate 5, second connects end plate 6, triangle strength plate A7, triangle strength plate B8,3rd connects end plate 9, triangle strength plate C10, the 4th connects end plate 11, triangle strength plate D12.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Longitudiual truss as shown in drawings, comprises the chord member that winds up, left and right horizontal web member 1, lower edge chord member, the oblique web member 2 in left and right; The horizontal node chord member 3 of chord member of winding up is connected with left and right horizontal web member 1, the horizontal node chord member 4 of lower edge chord member is crossing with the oblique web member in left and right 2 to be connected, it is characterized in that: to be provided with apart from the end at longitudiual truss back gauge 350mm place at the horizontal node chord member 3 of the chord member that winds up and to have first of multiple bolt hole and connect end plate 5, the horizontal node chord member 4 of lower edge chord member is provided with apart from the end at longitudiual truss back gauge 350mm place the second connection end plate 6 having multiple bolt hole;
First surrounding connecting end plate 5 is provided with multiple triangle strength plate A7, and triangle strength plate A7 is that center divergence form is arranged around the outer wall of the horizontal node chord member 3 of the chord member that winds up; Second connects end plate 6 surrounding is provided with multiple triangle strength plate B8 (not shown), and triangle strength plate B8 is that center divergence form is arranged around the outer wall of the horizontal node chord member 4 of lower edge chord member;
In left and right, oblique web member 2 is provided with apart from the end at longitudiual truss back gauge 350mm place the 3rd connection end plate 9 having multiple bolt hole, 3rd surrounding connecting end plate 9 is provided with multiple triangle strength plate C10, and the outer wall of triangle strength plate C10 oblique web member 2 around left and right is that center divergence form is arranged;
To be provided with apart from the end at longitudiual truss back gauge 350mm place at left and right horizontal web member 1 and to have the 4th of multiple bolt hole and connect end plate 11,4th surrounding connecting end plate 11 is provided with multiple triangle strength plate D12, and triangle strength plate D12 is that center divergence form is arranged around the outer wall of left and right horizontal web member 1;
Also be provided with multiple high-strength bolt auxiliary connection matched with bolt hole.
First connects end plate 5, second connection end plate 6, the 3rd connection end plate 9 is connected end plate 11 with the 4th and is circular slab, and multiple bolt hole is all arranged along circular slab even circumferential.
Operating principle of the present utility model is as follows: longitudiual truss of the present utility model, abundant utilization mathematical function parabola principle, " total-point-total " is carried out to cross binding truss and produces, concrete generation principle is: " always ": carry out overall assembled in advance to longitudiual truss and cross binding truss, in " ∪ " font, cross binding truss carries out " dividing ": resolve into horizontal web member, oblique web member, each component termination chord member, web member increases and connects end plate, connect on end plate and have bolt hole, after being bolted secondary connection, again at each interface, the welding of end plate weld joint place, finally by being up to the standards, demounting bolt auxiliary connection, namely assembling of the present utility model is completed.
In order to ensure that rod member of the present utility model (chord member, web member, roof support chord member) has enough rigidity and toughness, must increase in the end of rod member and connect end plate, bolt hole established newly by connection end plate, and be connected surrounding with chord member, web member, roof support chord member add triangle strength plate at connection end plate, finally welding connection again.
Construction sequence of the present utility model is as follows:
(1) according to site operation requirement, segmentation on the chord member of cross binding truss end connection node device connecting longitudiual truss, line, location, cutting; Deduction needs the end plate thickness physical dimension installed additional, strengthens weld seam allowance for shrinkage 2mm;
(2) according to chord member physical dimension position, install first in chord member and horizontal node chord member 3 end apart from longitudiual truss back gauge 350mm place of winding up and is connected end plate 5, the horizontal node chord member 4 of lower edge chord member is provided with apart from the end at longitudiual truss back gauge 350mm place the second connection end plate 6 having multiple bolt hole; In left and right, oblique web member 2 is provided with apart from the end at longitudiual truss back gauge 350mm place and has the 3rd of multiple bolt hole and connect end plate 9, is provided with the 4th connection end plate 11 having multiple bolt hole at left and right horizontal web member 1 apart from the end at longitudiual truss back gauge 350mm place;
(3) connect end plate 5, second connection end plate 6 by first, the 3rd connection end plate 9, the 4th connects end plate 11 high-strength bolt auxiliary connection and is fastenedly connected;
(4) the first surrounding connecting end plate 5 connected at bolt connection pair installs multiple triangle strength plate A7, and second connects end plate 6 surrounding installs multiple triangle strength plate B8; The 3rd surrounding connecting end plate 9 connected at bolt connection pair installs multiple triangle strength plate C10, and the 4th surrounding connecting end plate 11 installs multiple triangle strength plate D12;
(5) to first connect end plate 5, second connect end plate 6, the 3rd connect end plate 9, the 4th connect end plate 11, triangle strength plate A7, triangle strength plate B8, triangle strength plate C10 and triangle strength plate D12 positions, spot welding, weld job;
(6) inspect for acceptance to the cross binding truss end connection node device of longitudiual truss, truss identifies, and chord member marks;
(7) bolt connection pair of the cross binding truss end connection node device of longitudiual truss is dismantled, namely complete the assembling of longitudiual truss, then repeat the assembly manipulation of next Pin longitudiual truss.
Claims (2)
1. a longitudiual truss, comprises the chord member that winds up, left and right horizontal web member (1), lower edge chord member, the oblique web member in left and right (2); The horizontal node chord member (3) of chord member winded up is connected with left and right horizontal web member (1), the horizontal node chord member (4) of lower edge chord member is crossing with the oblique web member in left and right (2) to be connected, it is characterized in that: be provided with in the end at horizontal node chord member (3) the distance longitudiual truss back gauge 350mm place of the chord member that winds up the first connection end plate (5) having multiple bolt hole, the end at horizontal node chord member (4) the distance longitudiual truss back gauge 350mm place of lower edge chord member is provided with the second connection end plate (6) having multiple bolt hole;
Described first surrounding connecting end plate (5) is provided with multiple triangle strength plate A (7), and triangle strength plate A (7) is that center divergence form is arranged around the outer wall of the horizontal node chord member (3) of the chord member that winds up; Described second connects end plate (6) surrounding is provided with multiple triangle strength plate B (8), and triangle strength plate B (8) is that center divergence form is arranged around the outer wall of the horizontal node chord member (4) of lower edge chord member;
In left and right, oblique web member (2) is provided with apart from the end at longitudiual truss back gauge 350mm place the 3rd connection end plate (9) having multiple bolt hole, 3rd surrounding connecting end plate (9) is provided with multiple triangle strength plate C (10), and the outer wall of described triangle strength plate C (10) oblique web member (2) around left and right is that center divergence form is arranged;
The 4th connection end plate (11) having multiple bolt hole is provided with in the end at left and right horizontal web member (1) distance longitudiual truss back gauge 350mm place, 4th surrounding connecting end plate (11) is provided with multiple triangle strength plate D (12), and described triangle strength plate D (12) is that center divergence form is arranged around the outer wall of left and right horizontal web member (1);
Also be provided with multiple high-strength bolt auxiliary connection matched with bolt hole.
2. longitudiual truss according to claim 1, it is characterized in that: described first connection end plate (5), second connects end plate (6), the 3rd connection end plate (9) is connected end plate (11) and is circular slab with the 4th, and multiple bolt hole is all arranged along circular slab even circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499556.5U CN204098218U (en) | 2014-09-01 | 2014-09-01 | Longitudiual truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499556.5U CN204098218U (en) | 2014-09-01 | 2014-09-01 | Longitudiual truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204098218U true CN204098218U (en) | 2015-01-14 |
Family
ID=52266660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420499556.5U Withdrawn - After Issue CN204098218U (en) | 2014-09-01 | 2014-09-01 | Longitudiual truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204098218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251011A (en) * | 2014-09-01 | 2014-12-31 | 湖北源盛钢构有限公司 | Longitudinal truss |
-
2014
- 2014-09-01 CN CN201420499556.5U patent/CN204098218U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251011A (en) * | 2014-09-01 | 2014-12-31 | 湖北源盛钢构有限公司 | Longitudinal truss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |