CN202577158U - Hyperbolic cable tower cross beam adjusting bracket - Google Patents
Hyperbolic cable tower cross beam adjusting bracket Download PDFInfo
- Publication number
- CN202577158U CN202577158U CN 201220200554 CN201220200554U CN202577158U CN 202577158 U CN202577158 U CN 202577158U CN 201220200554 CN201220200554 CN 201220200554 CN 201220200554 U CN201220200554 U CN 201220200554U CN 202577158 U CN202577158 U CN 202577158U
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- rod
- diagonal brace
- base
- tie
- chord member
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Abstract
The utility model discloses a hyperbolic cable tower cross beam adjusting bracket. The hyperbolic cable tower cross beam adjusting bracket adopts an oppositely supporting structure and consists of a left chord rod, an upper adjusting section, a right chord rod, a left external diagonal brace, a left internal diagonal brace, a right internal diagonal brace, a right external diagonal brace, a left tie rod, a lower adjusting section, a right tie rod, a left corbel, a right corbel, a left base and a right base, wherein the left tie rod and the right tie rod are connected with the lower adjusting section through flanges to form a lower support rod and are fixedly installed on the left base and the right base; the left chord rod and the right chord rod are connected with the upper adjusting section through flanges to form an upper support rod and are fixedly installed on the left corbel and the right corbel; the left external diagonal brace and the upper end and the lower end of the left internal diagonal brace are hinged on the left chord rod and the left tie rod through hinged supports respectively; and the right external diagonal brace and the upper end and the lower end of the right internal diagonal brace are hinged on the right chord rod and the right tie rod through hinged supports respectively. The hyperbolic cable tower cross beam adjusting bracket has the advantages of high construction efficiency, short installing construction period, multiple turnovers of cross beams in a construction process, reduced equipment investment, material conservation and simple structure.
Description
Technical field
The utility model relates to the bridge construction equipment, especially relates to a kind of hyperbolic-type Sarasota crossbeam adjustable type carriage.
Background technology
Along with China's rapid economic development, the construction of traffic infrastructure also obtains fast development, increasing Longspan Bridge construction works meanwhile occurs.
For example, red stone grand bridge is the emphasis Control Engineering of Rucheng, country speedway Hunan Province, Xiamen to Chengdu～Chenzhou section speedway, is positioned at Chi Shi township, Chenzhou City Yizhang County, Hunan Province.Red stone grand bridge master bridge is 165m+3x380m+165m four tower prestressed concrete cable-stayed bridges.
Sarasota is made up of upper king-post strut, middle king-post, lower king-post strut, tower seat, A～D crossbeam, and the cushion cap end face is 274.13m with the overall height of upper king-post strut.Lower king-post strut be C crossbeam middle part to the above Sarasota section of tower seat, high 101.23m is that the curve of band groove is received waist shape thin wall construction, section is the octagon of hollow arbor braid groove, direction across bridge groove inboard is provided with vertical stiffener.The D crossbeam is the ordinary concrete structure, high 6m, the thick 1.5m of roof and floor, fixed with the tower wall all around, in establish 3 thick vertical bridges of 1.2m to diaphragm, planar dimension is 18.7mx10.2m.D construction of beam side amount is 612.5m
3, 0# block concrete label is C50, divides 2 cast, the unit weight of concrete is pressed 26kN/m
3Calculate the 1st bottom board and part diaphragm concrete, height 4.0 m, heavy 10440kN.
If adopt conventional floor stand constructure scheme, receive the narrow and small restriction in Sarasota interior construction space, support is removed very difficulty; And except that having 2.0mx2.4m, tower seat place advances the people hole, the Sarasota complete closed, and each member of supporting structure need cut into loose mail and transport; Material turnover is low, drop into bigger, during operating cost; Be difficult in practice realize, more be difficult to guarantee the needs of construction period.If adopt conventional attaching carriage, need to adopt large-scale built-in fitting, high-altitude welding shelf bracket, welding quality is difficult to guarantee, and shelf bracket can't integral body transport from enter the people hole, need cut into loose mail, material turnover is low, drops into bigger.
Thereby for the work items of at present increasing cable stayed bridge, adopts existing in crossbeam construction method had deficiency clearly, be necessary to propose a kind of new structure of suitable these type of construction needs, improve having construction technology now.
Summary of the invention
The purpose of the utility model provides that a kind of efficiency of construction is high, installation period is short, in the construction of beam process, can repeatedly have enough to meet the need use, economical with materials, hyperbolic-type Sarasota crossbeam adjustable type carriage simple in structure.
A kind of hyperbolic-type Sarasota crossbeam adjustable type carriage; Feature is: be made up of left chord member, rise sections, right chord member, the outer diagonal brace in a left side, left interior leg brace, right interior leg brace, right outer diagonal brace, left tie-rod, downward modulation sections, right tie-rod, left bracket, right bracket, left base and right base; A left side bracket and right bracket are installed in the upper end of left king-post madial wall and the upper end of right king-post madial wall by the pre-buried awl of climbing respectively, in boxing out in the preparatory left side that left base and right base are fixedly mounted on left king-post madial wall lower end by finish rolling deformed bar respectively with the right preformed hole of right king-post madial wall lower end in; The left end of left side tie-rod and the right-hand member of right tie-rod are fixedly mounted on respectively on left base and the right base, and the right ends of downward modulation sections is fixedlyed connected with the right-hand member of left tie-rod and the left end of right tie-rod by lower flange respectively, constitutes lower support bar; The left end of left side chord member and the right-hand member of right chord member are fixedly mounted on respectively on left bracket and the right bracket, and the right ends that raises sections is fixedlyed connected with the right-hand member of left chord member and the left end of right chord member by upper flange respectively, constitute upper support bar; The lower end of lower end and the left interior leg brace of the outer diagonal brace in a left side all by the lower-left diagonal brace be connected free bearing be hinged on left tie-rod left end above; The upper end of upper end and the left interior leg brace of the outer diagonal brace in a left side respectively by upper left diagonal brace be connected free bearing be hinged on left chord member middle part and right-hand member below; The lower end of the lower end of right interior leg brace and right outer diagonal brace all by the bottom right diagonal brace be connected free bearing be hinged on right tie-rod right-hand member above, the upper end of the outer diagonal brace in the upper end of right interior leg brace and the right side respectively by upper right diagonal brace be connected free bearing be hinged on right chord member left end and middle part below.
A left side base and right base are the box structure of the sealing that the L type is welded; Left side base and right base are formed by base plate, front side board, back side panel, first member plate, right end plate and top board; Between front side board and back side panel, be fixed with several vertical clapboards and diaphragm, to strengthen the stability of front side board, back side panel, first member plate, right end plate.
The thickness of vertical clapboard and diaphragm is all than the thin thickness of front side board and back side panel.
The outside at front side board and back side panel all is fixed with the counter-force seat.
On every group of left side chord member, right chord member, being provided with horizontal connection is, to strengthen structural stability.
Left side chord member and right chord member all adopt 2 HN500 * 200 shaped steel assembly weldings to form; The outer diagonal brace in a left side, left interior leg brace, right interior leg brace and right outer diagonal brace all adopt φ 219 * 16 seamless steel pipes to process; Left side tie-rod and right tie-rod adopt 2 HN500 * 200 shaped steel assembly weldings to form; Left side base and right base all adopt the Q345B steel plate to be welded, and left bracket and right bracket are the wedge structure that adopts the Q235B steel plate to be welded into.
The utility model adopts the opposite supporting type structure; Form by left chord member, rise sections, right chord member, the outer diagonal brace in a left side, left interior leg brace, right interior leg brace, right outer diagonal brace, left tie-rod, downward modulation sections, right tie-rod, left bracket, right bracket, left base and right base; Wherein left tie-rod and right tie-rod are used for the horizontal extrapolability of balance both sides the utility model, eliminate the adverse effect of extrapolability to king-post; Raise sections and downward modulation sections and all be used for going all out in the horizontal force of balance the utility model both sides, rise sections and downward modulation sections through adopting different length can make the utility model be applicable to the Different Plane size.Left side chord member then adopts the weld seam welding with left bracket, and to improve the installation accuracy of the utility model, the whole lateral displacement of restriction the utility model is eliminated the secondary stress that the king-post distortion produces simultaneously in the utility model.The utility model adopts connection system to be linked to be integral body, guarantees lateral stability.When removing the utility model, be connected the connection bearing pin on the free bearing as long as remove diagonal brace with diagonal brace between chord member, tie-rod, just can chord member, diagonal brace, tie-rod be splitted into loose mail, utilize tower crane and hoist engine to cross the manhole and hang out from crossbeam.
On the left bracket at left chord member place, be provided with the cross spacing device; Left side chord member then adopts the weld seam welding with left bracket; To improve the installation accuracy of the utility model, the whole lateral displacement of restriction the utility model is eliminated the secondary stress that the king-post distortion produces simultaneously in the utility model.
The loading characteristic of the utility model is: crossbeam concreting load; In steel pipe frame, produce vertical pressure, this pressure acts on the utility model through the distribution beam transmission; The cross section of left and right chord member is born pressure, is bent, cuts internal force; Left and right inside and outside diagonal brace bears axial compression, and left and right tie-rod bears eccentric pulling force, a left side] right base bears the vertical load that carriage transmits.
Left and right base closely contacts with king-post through the prestretching finish rolling deformed bar, through the control tensile load, makes and build in the process at crossbeam that left and right base and king-post keep in touch.Prestretching finish rolling deformed bar, side counter-force seat, bottom surface concrete have limited horizontal movement, vertical displacement, the plane inside lock of base jointly, make left and right base and king-post concrete be in stress preferably.
Therefore; The utlity model has efficiency of construction height, installation period short, in the construction of beam process, can repeatedly have enough to meet the need use, minimizing equipment input, economical with materials, advantage of simple structure; The utility model is compared the traditional structure economical with materials more than 40%; Installation period is merely 1 day, has extraordinary economic benefit and social benefit.
Description of drawings
Fig. 1 is the mounting structure sketch map of the utility model;
Fig. 2 is the structural representation of left base;
Fig. 3 is the schematic top plan view of Fig. 2.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is done further explain.
A kind of hyperbolic-type Sarasota crossbeam adjustable type carriage; By left chord member 1, raise the outer diagonal brace of sections 3, right chord member 5, a left side 7, left interior leg brace 6, right interior leg brace 8, right outer diagonal brace 9, left tie-rod 11, reduce sections 13, right tie-rod 14, left bracket 19, right bracket 24, left base 16 and right base 17 and form; Left side bracket 19 is installed in the upper end of left king-post 18 inside walls and the upper end of right king-post 23 inside walls through the pre-buried awl 20 of climbing respectively with right bracket 24, boxes out in 22 in the right preformed hole 25 with right king-post 23 inside wall lower ends in the preparatory left side that left base 22 and right base 27 are fixedly mounted on left king-post 18 inside wall lower ends through finish rolling deformed bar 21 respectively; The left end of left side tie-rod 11 and the right-hand member of right tie-rod 14 are fixedly mounted on respectively on left base 16 and the right base 17, and the right ends of downward modulation sections 13 is fixedly connected with the right-hand member of left tie-rod 11 and the left end of right tie-rod 14 through lower flange 12 respectively, constitutes lower support bar; The left end of left side chord member 1 and the right-hand member of right chord member 5 are fixedly mounted on respectively on left bracket 19 and the right bracket 24, and the right ends that raises sections 3 is fixedly connected with the right-hand member of left chord member 1 and the left end of right chord member 3 through upper flange 26 respectively, constitutes upper support bar; The lower end of lower end and the left interior leg brace 6 of the outer diagonal brace 7 in a left side all through diagonal brace under the left side be connected free bearing 10 be hinged on left tie-rod 11 left ends above; The upper end of upper end and the left interior leg brace 6 of the outer diagonal brace 7 in a left side respectively through upper left diagonal brace be connected free bearing 2 be hinged on left chord member 1 middle part and right-hand member below; The lower end of the lower end of right interior leg brace 8 and right outer diagonal brace 9 all through the bottom right diagonal brace be connected free bearing 15 be hinged on right tie-rod 14 right-hand members above, the upper end of the outer diagonal brace 9 in the upper end of right interior leg brace 8 and the right side respectively through upper right diagonal brace be connected free bearing 4 be hinged on right chord member 8 left end and middle part below.
The thickness of vertical clapboard 28 and diaphragm 33 is all than the thin thickness of front side board 35 and back side panel 31.
The outside at front side board 34 and back side panel 31 all is fixed with counter-force seat 36.
On every group of left side chord member 1, right chord member 5, being provided with horizontal connection is 27, to strengthen structural stability.
Left side chord member 1 all adopts 2 HN500 * 200 shaped steel assembly weldings to form with right chord member 5; The outer diagonal brace in a left side 7, left interior leg brace 6, the outer diagonal brace 9 of the right interior leg brace 8 and the right side all adopt φ 219 * 16 seamless steel pipes to process; Left side tie-rod 11 adopts 2 HN500 * 200 shaped steel assembly weldings to form with right tie-rod 14; Left side base 16 all adopts the Q345B steel plate to be welded with right base 17, and left bracket 19 is the wedge structure that adopts the Q235B steel plate to be welded into right bracket 24.
Claims (6)
1. hyperbolic-type Sarasota crossbeam adjustable type carriage; It is characterized in that: form by left chord member, rise sections, right chord member, the outer diagonal brace in a left side, left interior leg brace, right interior leg brace, right outer diagonal brace, left tie-rod, downward modulation sections, right tie-rod, left bracket, right bracket, left base and right base; A left side bracket and right bracket are installed in the upper end of left king-post madial wall and the upper end of right king-post madial wall by the pre-buried awl of climbing respectively, in boxing out in the preparatory left side that left base and right base are fixedly mounted on left king-post madial wall lower end by finish rolling deformed bar respectively with the right preformed hole of right king-post madial wall lower end in; The left end of left side tie-rod and the right-hand member of right tie-rod are fixedly mounted on respectively on left base and the right base, and the right ends of downward modulation sections is fixedlyed connected with the right-hand member of left tie-rod and the left end of right tie-rod by lower flange respectively, constitutes lower support bar; The left end of left side chord member and the right-hand member of right chord member are fixedly mounted on respectively on left bracket and the right bracket, and the right ends that raises sections is fixedlyed connected with the right-hand member of left chord member and the left end of right chord member by upper flange respectively, constitute upper support bar; The lower end of lower end and the left interior leg brace of the outer diagonal brace in a left side all by the lower-left diagonal brace be connected free bearing be hinged on left tie-rod left end above; The upper end of upper end and the left interior leg brace of the outer diagonal brace in a left side respectively by upper left diagonal brace be connected free bearing be hinged on left chord member middle part and right-hand member below; The lower end of the lower end of right interior leg brace and right outer diagonal brace all by the bottom right diagonal brace be connected free bearing be hinged on right tie-rod right-hand member above, the upper end of the outer diagonal brace in the upper end of right interior leg brace and the right side respectively by upper right diagonal brace be connected free bearing be hinged on right chord member left end and middle part below.
2. hyperbolic-type Sarasota crossbeam adjustable type carriage according to claim 1; It is characterized in that: left base and right base are the box structure of the sealing that the L type is welded; Left side base and right base are formed by base plate, front side board, back side panel, first member plate, right end plate and top board, between front side board and back side panel, are fixed with several vertical clapboards and diaphragm.
3. hyperbolic-type Sarasota crossbeam adjustable type carriage according to claim 2 is characterized in that: the thickness of vertical clapboard and diaphragm is all than the thin thickness of front side board and back side panel.
4. hyperbolic-type Sarasota crossbeam adjustable type carriage according to claim 2, it is characterized in that: the outside at front side board and back side panel all is fixed with the counter-force seat.
5. hyperbolic-type Sarasota crossbeam adjustable type carriage according to claim 1 is characterized in that: on every group of left side chord member, right chord member, being provided with the horizontal connection that strengthens structural stability is.
6. hyperbolic-type Sarasota crossbeam adjustable type carriage according to claim 1; It is characterized in that: left chord member and right chord member all adopt 2 HN500 * 200 shaped steel assembly weldings to form; The outer diagonal brace in a left side, left interior leg brace, right interior leg brace and right outer diagonal brace all adopt φ 219 * 16 seamless steel pipes to process; Left side tie-rod and right tie-rod adopt 2 HN500 * 200 shaped steel assembly weldings to form; Left side base and right base all adopt the Q345B steel plate to be welded, and left bracket and right bracket are the wedge structure that adopts the Q235B steel plate to be welded into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200554 CN202577158U (en) | 2012-05-07 | 2012-05-07 | Hyperbolic cable tower cross beam adjusting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220200554 CN202577158U (en) | 2012-05-07 | 2012-05-07 | Hyperbolic cable tower cross beam adjusting bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202577158U true CN202577158U (en) | 2012-12-05 |
Family
ID=47246587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220200554 Expired - Lifetime CN202577158U (en) | 2012-05-07 | 2012-05-07 | Hyperbolic cable tower cross beam adjusting bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202577158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853391A (en) * | 2019-02-19 | 2019-06-07 | 中交二航局第四工程有限公司 | A kind of combination unit for head tower structural stress deformation active accommodation |
| CN109972528A (en) * | 2019-04-24 | 2019-07-05 | 中铁十一局集团第一工程有限公司 | A kind of cable-stayed bridge leaning tower lower beam support shear key |
| CN110344332A (en) * | 2019-07-16 | 2019-10-18 | 中交一公局第二工程有限公司 | Bracket is used in a kind of construction of bridge main tower upper beam |
-
2012
- 2012-05-07 CN CN 201220200554 patent/CN202577158U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853391A (en) * | 2019-02-19 | 2019-06-07 | 中交二航局第四工程有限公司 | A kind of combination unit for head tower structural stress deformation active accommodation |
| CN109853391B (en) * | 2019-02-19 | 2023-09-19 | 中交二航局第四工程有限公司 | Combined device for actively adjusting stress deformation of steel tower structure |
| CN109972528A (en) * | 2019-04-24 | 2019-07-05 | 中铁十一局集团第一工程有限公司 | A kind of cable-stayed bridge leaning tower lower beam support shear key |
| CN110344332A (en) * | 2019-07-16 | 2019-10-18 | 中交一公局第二工程有限公司 | Bracket is used in a kind of construction of bridge main tower upper beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |