CN203500656U - River-crossing bridge frame for cables - Google Patents
River-crossing bridge frame for cables Download PDFInfo
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- CN203500656U CN203500656U CN201320524881.8U CN201320524881U CN203500656U CN 203500656 U CN203500656 U CN 203500656U CN 201320524881 U CN201320524881 U CN 201320524881U CN 203500656 U CN203500656 U CN 203500656U
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- river
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Abstract
The utility model discloses a river-crossing bridge frame for cables. The river-crossing bridge frame comprises two groups of corresponding lateral brackets, wherein each lateral bracket comprises top-part beam rods and bottom-part beam rods; lateral supporting rods are connected between the top-part beam rods and the bottom-part beam rods; a horizontal supporting rod is respectively arranged between the top-part beam rods and between the bottom-part beam rods of the two groups of lateral brackets; the top-part beam rods, the bottom-part beam rods, the lateral supporting rods and the horizontal supporting rods enclose into an internal space; adjacent lateral supporting rods, the top-part beam rods and the bottom-part beam rods form a rectangle, and lateral chord rods are arranged between opposite angles of the rectangle; the adjacent horizontal supporting rods and the top-part beam rods or the bottom-part beam rods form a square; chord rods are arranged between the opposite angles of the square. The river-crossing bridge frame disclosed by the utility model has the advantages that the structure design is reasonable, the applicability to river channels with different widths can be achieved, multi-loop cables with different voltage grades of cables can be provided for crossing a river simultaneously, the safety stability is high, the construction difficulty is low, and the cost is educed.
Description
Technical field
The utility model relates to T & D Technology field, particularly relates to a kind of cable crane span structure that crosses the river.
Background technique
Nowadays China's power construction cause develops rapidly, but urban beautification demand is also more and more higher, has caused the increasing overhead cable of urban inner to be introduced into underground.When underground cable runs into compared with wide river course simultaneously, the depth of water is darker, has navigation requirement, and need cross the river but path when cannot change simultaneously, generally selects three kinds of modes to cross the river: tunnel, bridge and built on stilts.With regard to tunnel, large-scale active well need be built in two ends, river course, and tunnel internal need be equipped with the facilities such as ventilation, illumination, fire-fighting, draining, and cost is expensive; And adopt built on stilts scheme, because feeder number is more, many bases steel tower will certainly produce unexpected destruction to the effect of buried mode along the line beautifying city, and the expense such as cost and maintenance is not low yet.And cross the river for bridge, common type has the forms such as I-steel case beam, concrete bridge, and passage is little, span is little, and also seldom, so Economy is very poor for the feeder number that can pass through, and scope available and that use is few.
Model utility content
Based on this, be necessary for prior art defect, a kind of reasonable in design be provided, can be applicable to the river course of different in width, the crane span structure that can provide that different brackets electric pressure cable multiloop crosses the river simultaneously, security and stability is high, the low cost-saving cable of difficulty of construction crosses the river.
Its technological scheme is as follows.
The cable crane span structure that crosses the river, comprises two groups of corresponding side direction supports, and this side direction support comprises top beam column and bottom beam column, between this top beam column and bottom beam column, is connected with side direction pole; Between the top beam column of two groups of side direction supports, be provided with lateral strut between the beam column of bottom, described top beam column, bottom beam column, side direction pole and lateral strut are around forming inner space; Adjacent side direction pole and top beam column, bottom beam column form rectangle, are provided with the profound bar of sidepiece between this rectangle diagonal angle; Adjacent lateral strut and top beam column or bottom beam column form square, between this square diagonal angle, profound bar are set.By side direction pole and lateral strut, two groups of corresponding top beam columns and bottom beam column are interconnected, and around forming the inner space that can place cable.Adopt simultaneously the profound bar of sidepiece, profound bar as drawing, depression bar reinforces the whole cable crane span structure that crosses the river, making the technical program cable crane span structure that crosses the river is space strut and tie unit system, formation is from stress balance structure, improved the integrity of structure, the pile foundation support table top with both sides, river course or central authorities can be directly shelved at its two ends, perfectly must solve multiloop cable cross a river economy, safe, stable requirement.
Further, described side direction pole and lateral strut are arranged on same vertical plane, are fixed between lateral strut between the beam column of top and side direction pole and are provided with oblique drawbar.Side direction pole and lateral strut are arranged on same vertical plane, two side direction poles, two lateral strut are formed squarely to be reinforced the connection two groups of corresponding side direction supports, simultaneously between the lateral strut at top and side direction pole, oblique drawbar is set, make side direction pole, lateral strut, oblique drawbar form space strut and tie unit system, make its two groups of fixing side direction supports more stable.
Further, the same side is identical to the spacing between side direction pole adjacent on support; Spacing between adjacent lateral strut is identical.Side direction pole is uniformly distributed on support in the same side, and the lateral strut between the lateral strut between the beam column of top, bottom beam column is uniformly distributed, and makes the cable whole stress balance of bridge joint that crosses the river, and safety coefficient is high.
Further, the same side forms rectangle to side direction pole adjacent on support and top beam column, bottom beam column, between one group of diagonal angle of this rectangle, is provided with the profound bar of sidepiece.On side direction support, side direction pole and top beam column, bottom beam column, form on rectangle, only have between one group of diagonal angle and be provided with the profound bar of sidepiece, its essence is for singly drawing sub-bar setting, guaranteeing that cable crosses the river in crane span structure bulk strength, only adopt single pole to reduce weight and cost.
Further; take and be arranged at the middle side direction pole of side direction support as medial side is to pole; this medial side is divided into first portion and second portion to pole by side direction support, and the profound bar of sidepiece in this first portion is parallel to each other, and the profound bar of sidepiece in this second portion is parallel to each other; This medial side is " V " font to the profound bar in the adjacent both sides of pole and arranges.The profound bar of sidepiece of first portion and second portion is arranged in opposite directions, forms strut and tie, makes side direction support have good integral rigidity.
Further, the cable crane span structure that crosses the river also comprises the spherical mount being connected with bridge pier, and this spherical mount is fixed on the beam column of bottom.The connection of the bridge pier strong point and bridge pier adopts spherical bearing, the displacement that balance large-span steel produces due to temperature deformation, and spherical mount and truss body adopt and are welded and fixed, and adopt stone bolt to be connected with bridge pier itself, form hinged-support.
Further, be provided with the profound bar of planar support between the side direction pole of two groups of corresponding side direction supports, the profound bar of this planar support is divided into the first cable loop passage and the second cable loop passage by inner space.The profound bar of planar support is divided into inner space the return passage of two kinds of different electric pressures, makes the technical program cable crane span structure that crosses the river can provide different brackets electric pressure cable multiloop to cross the river simultaneously.
Further, the cable crane span structure that crosses the river also comprises built-in cable bearer, and the side direction pole that this built-in cable bearer is fixedly connected in described the first cable loop passage is upper, and multiloop cable holder is installed on this built-in cable bearer.Cable is concentrated and is placed in multiloop cable holder, and multiloop cable holder is fixedly connected with side direction pole, and the gravity of cable is supported by bottom beam column, optimize force structure.
Further, on the profound bar of described planar support, be equipped with steel plate, this steel plate forms People's Bank of China's access path, and this steel plate is detachable to be arranged on the profound bar of planar support.For convenience of operating maintenance personnel, overhaul cable, in the middle of the built-in cable bearer in the first cable loop passage, within the scope of approximately 1 meter of headroom of clear distance, horizontal corner steel is installed and is supported, built-in steel plate aisle, realizes personnel's obstacle discrepancy maintenance.
Further, in described the second cable loop passage, be provided with multiloop cable sleeve pipe, this multiloop cable sleeve pipe is arranged in the lateral strut being connected with bottom beam column.The second cable loop channel setting, below the first cable loop passage, is provided with in it and places the cable different from the electric pressure of the first cable loop passage installing cables.If be arranged on the cable in the second cable loop passage, only need raise the steel plate being arranged on the profound bar of planar support, can cable be changed or be overhauled.
Accompanying drawing explanation
Fig. 1 is the cross the river structural representation of crane span structure of cable described in the utility model embodiment;
Fig. 2 is the structural representation that is connected plane of top beam column and lateral strut described in the utility model embodiment;
Fig. 3 is the structural representation of side direction support plane described in the utility model embodiment;
Fig. 4 is the cross the river lateral cross section structural representation of crane span structure of cable described in the utility model embodiment;
Fig. 5 is the two groups of cables structural representation of crane span structure when in parallel that cross the river described in the utility model embodiment;
Description of reference numerals:
10, side direction support, 110, top beam column, 111, lateral strut, 120, bottom beam column, 121, lateral strut, 130, side direction pole, 140, the profound bar of sidepiece, 150, profound bar, 160, oblique drawbar, 20, the profound bar of planar support, 310, built-in cable bearer, 320, multiloop cable holder, 330, People's Bank of China's access path, 410, multiloop cable sleeve pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment's advantage or principle are described.
As shown in Figures 1 to 4, the cable crane span structure that crosses the river comprises two groups of corresponding side direction supports 10, this side direction support 10 comprises top beam column 110 and bottom beam column 120, between this top beam column 110 and bottom beam column 120, be connected with two or two above side direction poles 130, between the top beam column 110 of two groups of side direction supports, between bottom beam column 120, be provided with the above lateral strut 111 (121) of two or two, top beam column 110, bottom beam column 120, side direction pole 130 and lateral strut 111 are around forming inner space.Adjacent side direction pole 130 forms rectangle with top beam column 110, bottom beam column 120, is provided with the profound bar 140 of sidepiece between this rectangle diagonal angle.Adjacent lateral strut 111 (121) is square with top beam column 110 or bottom beam column 120 formations, and profound bar 150 is set between this square diagonal angle.
Wherein, in the present embodiment, as preferred version, side direction pole 130 is arranged on same vertical plane with lateral strut 111, but be not precluded within, other enforcements are taked side direction pole 130 with lateral strut 111 antarafacials or both are in situations such as same inclined-planes.Be fixed between lateral strut 111 between top beam column 110 and side direction pole 130 and be provided with oblique drawbar 160, certainly, be not precluded within other embodiment and oblique drawbar 160 be set between the lateral strut 121 between bottom beam column 120 and side direction pole 130 or between top beam column 110, bottom beam column 120 and side direction pole 130, oblique drawbar 160 be set simultaneously.The same side is identical to the spacing between side direction pole 130 adjacent on support 10; Spacing between adjacent lateral strut 111 (121) is identical.
In the present embodiment, the same side forms rectangles to side direction pole adjacent on support 10 130 and top beam column 110, bottom beam column 120, is provided with the profound bar 140 of sidepiece between one group of diagonal angle of this rectangle.As shown in Figure 3, take and be arranged at the middle side direction pole 130 of side direction support 10 as medial side is to pole, this medial side is divided into first portion and second portion to pole by side direction support 10, and the profound bar 140 of sidepiece in this first portion is parallel to each other, and the profound bar 140 of sidepiece in this second portion is parallel to each other.This medial side is " V " font to the profound bar 140 in the adjacent both sides of pole and arranges.The cable crane span structure that crosses the river also comprises the spherical mount being connected with bridge pier, and this spherical mount is fixed on the beam column 120 of bottom.
Moreover, as shown in Figure 4, between the side direction pole 130 of two groups of corresponding side direction supports 10, being provided with the profound bar 20 of planar support, the profound bar 20 of this planar support is divided into the first cable loop passage and the second cable loop passage by inner space.The cable crane span structure that crosses the river also comprises built-in cable bearer 310, and this built-in cable bearer 310 is fixedly connected on the side direction pole 130 in the first cable loop passage, on this built-in cable bearer 310, multiloop cable holder 320 is installed.On the profound bar 20 of planar support, be equipped with steel plate, this steel plate forms People's Bank of China's access path 330, and this steel plate is detachable to be arranged on the profound bar 20 of planar support.In the second cable loop passage, be provided with multiloop cable sleeve pipe 410, this multiloop cable sleeve pipe 410 is arranged in the lateral strut 121 being connected with bottom beam column 120.
This cable crane span structure member that crosses the river is all comprised of steel pipe, flange, bolt, gusset plate, main bearing member and welding node Ban You producer are prefabricated, and it is zinc-plated to complete whole members, job site mainly completes node bolt and installs, construction assembling and convenient, reduce the comparatively weak link of some quality controls such as Site Welding, effectively improve architecture quality and reliability.
In the present embodiment, in order to solve eight times 110kV cables and 18 times these technical barriers of 10kV cable crossing longspan waterway, the method that provides two groups of cables to cross the river crane span structure parallel connection, certainly, along with the increase of cable loop number, can suitably increase the cross the river quantity of crane span structure of shunt cable.Wherein two groups of cables crane span structure that crosses the river shares one group of side direction support 10 and is two Pin structures, as shown in Figure 5.Owing to relating to two kinds of electric pressures, cable loop number is also more, cable laying takes 110kV cable three-phase Pin form to be placed in the multiloop cable holder 320 on the built-in cable bearer 310 in the first cable loop passage, and built-in cable bearer 310 use bolts and welded plate are connected on side direction pole 130.10kV cable is placed in the lateral strut 111 being connected with bottom beam column 120 in the second cable loop passage with multiloop cable sleeve pipe 410.
The connection of the bridge pier strong point and bridge pier adopts spherical bearing, and the displacement that balance large-span steel produces due to temperature deformation, adopts and be welded and fixed between spherical mount and bottom beam column 120, adopts stone bolt to be connected with bridge pier itself, forms hinged-support.All stressed members and profound bar member all adopt Coating Steel Pipe, are connected each node (each node is thought of as articulating point) with flange with bolt.Profound bar 150 between top beam column 110 and between bottom beam column 120 is taked two Pin criss-crossing steel pipes.The profound bar 140 of sidepiece for drawing, depression bar single pole arranges.Structural design form can be divided into the two flat rectangular channels of Pin of bottom the second cable loop passage and the two high rectangular channels of Pin of top the first cable loop passage substantially, in the second cable loop passage of bottom, every Pin places nine times 10kV cables, and in the first cable loop passage of top, every Pin places 110kV cable four times.Load calculating aspect, vertical direction consideration cable body and pontic deadweight dead load, service work mobile load.Substantially horizontal is mainly considered crane span structure body wind load, cable wind load.Consider this area's seismic fortification intensity 7 degree seismic loads.Design software adopts the 3D3S structure analysis software of Tongji University's exploitation, can adopt common finite element analysis software ANSYS to carry out synchronous comparative analysis simultaneously.In order to coordinate with surrounding enviroment and to consider the heat insulation of cable and keep off the rain, between top beam column 110, plane and side direction support 10 planes all consider to arrange shaped steel awning, and corresponding dead load and wind load are all added in Load Model.
Below the utility model embodiment's advantage or principle are described.
1, the present embodiment cable crane span structure that crosses the river is interconnected two groups of corresponding top beam columns 110 and bottom beam column 120 by side direction pole 130 and lateral strut 111, and around forming the inner space that can place cable.Adopt simultaneously the profound bar 140 of sidepiece, profound bar 150 as drawing, depression bar reinforces the whole cable crane span structure that crosses the river, making the technical program cable crane span structure that crosses the river is space strut and tie unit system, formation is from stress balance structure, improved the integrity of structure, the pile foundation support table top with both sides, river course or central authorities can be directly shelved at its two ends, perfectly must solve multiloop cable cross a river economy, safe, stable requirement.
2, side direction pole 130 is arranged on same vertical plane with lateral strut 111, two side direction poles 130, two lateral strut 111 are formed squarely to be reinforced the connection two groups of corresponding side direction supports 10, simultaneously between the lateral strut 111 at top and side direction pole 130, oblique drawbar 160 is set, make side direction pole 130, lateral strut 111, oblique drawbar 160 form space strut and tie unit system, make its two groups of fixing side direction supports 10 more stable.
3, side direction pole 130 is uniformly distributed on support 10 in the same side, and the lateral strut 111 between top beam column 110, the lateral strut 111 between bottom beam column 120 are uniformly distributed, and makes the cable whole stress balance of bridge joint that crosses the river, and safety coefficient is high.
4, on side direction support 10, at side direction pole 130 and top beam column 110, bottom beam column 120, form on rectangle, only have and between one group of diagonal angle, be provided with the profound bar 140 of sidepiece, its essence is for singly drawing sub-bar setting, guaranteeing that cable crosses the river in crane span structure bulk strength, only adopt single pole to reduce weight and cost.
5, the profound bar 140 of the sidepiece of first portion and second portion is arranged in opposite directions, forms strut and tie, makes side direction support 10 have good integral rigidity.
6, the connection of the bridge pier strong point and bridge pier adopts spherical bearing, the displacement that balance large-span steel produces due to temperature deformation, and spherical mount and truss body adopt and are welded and fixed, and adopt stone bolt to be connected with bridge pier itself, form hinged-support.
7, the profound bar 20 of planar support is divided into inner space the return passage of two kinds of different electric pressures, makes the technical program cable crane span structure that crosses the river can provide different brackets electric pressure cable multiloop to cross the river simultaneously.
8, cable is concentrated and is placed in multiloop cable holder 320, and multiloop cable holder 320 is fixedly connected with side direction pole 130, and the gravity of cable is supported by bottom beam column 120, optimize force structure.
9, for convenience of operating maintenance personnel, overhaul cable, in the middle of the built-in cable bearer 310 in the first cable loop passage, within the scope of approximately 1 meter of headroom of clear distance, horizontal corner steel is installed and is supported, built-in steel plate aisle, realizes personnel's obstacle discrepancy maintenance.
10, the second cable loop channel setting, below the first cable loop passage, is provided with in it and places the cable different from the electric pressure of the first cable loop passage installing cables.If be arranged on the cable in the second cable loop passage, only need raise the steel plate being arranged on the profound bar 20 of planar support, can cable be changed or be overhauled.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. the cable crane span structure that crosses the river, is characterized in that, comprise two groups of corresponding side direction supports, this side direction support comprises top beam column and bottom beam column, between this top beam column and bottom beam column, is connected with side direction pole; Between the top beam column of two groups of side direction supports, be provided with lateral strut between the beam column of bottom, described top beam column, bottom beam column, side direction pole and lateral strut are around forming inner space; Adjacent side direction pole and top beam column, bottom beam column form rectangle, are provided with the profound bar of sidepiece between this rectangle diagonal angle; Adjacent lateral strut and top beam column or bottom beam column form square, between this square diagonal angle, profound bar are set.
2. the cable according to claim 1 crane span structure that crosses the river, is characterized in that, described side direction pole and lateral strut are arranged on same vertical plane, is fixed between lateral strut between the beam column of top and side direction pole and is provided with oblique drawbar.
3. the cable according to claim 1 crane span structure that crosses the river, is characterized in that, the same side is identical to the spacing between side direction pole adjacent on support; Spacing between adjacent lateral strut is identical.
4. the cable according to claim 1 crane span structure that crosses the river, is characterized in that, the same side forms rectangle to adjacent side direction pole and top beam column, bottom beam column on support, between one group of diagonal angle of this rectangle, is provided with the profound bar of sidepiece.
5. the cable according to claim 4 crane span structure that crosses the river; it is characterized in that; take and be arranged at the middle side direction pole of side direction support as medial side is to pole; this medial side is divided into first portion and second portion to pole by side direction support; the profound bar of sidepiece in this first portion is parallel to each other, and the profound bar of sidepiece in this second portion is parallel to each other; This medial side is " V " font to the profound bar in the adjacent both sides of pole and arranges.
6. the cable according to claim 1 crane span structure that crosses the river, is characterized in that, also comprises the spherical mount being connected with bridge pier, and this spherical mount is fixed on the beam column of bottom.
7. according to the crane span structure that crosses the river of the cable described in claim 1 to 6 any one, it is characterized in that, between the side direction pole of two groups of corresponding side direction supports, be provided with the profound bar of planar support, the profound bar of this planar support is divided into the first cable loop passage and the second cable loop passage by inner space.
8. the cable according to claim 7 crane span structure that crosses the river, it is characterized in that, also comprise built-in cable bearer, the side direction pole that this built-in cable bearer is fixedly connected in described the first cable loop passage is upper, and multiloop cable holder is installed on this built-in cable bearer.
9. the cable according to claim 8 crane span structure that crosses the river, is characterized in that, on the profound bar of described planar support, is equipped with steel plate, and this steel plate forms People's Bank of China's access path, and this steel plate is detachable to be arranged on the profound bar of planar support.
10. the cable according to claim 7 crane span structure that crosses the river, is characterized in that, in described the second cable loop passage, be provided with multiloop cable sleeve pipe, this multiloop cable sleeve pipe is arranged in the lateral strut being connected with bottom beam column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524881.8U CN203500656U (en) | 2013-08-26 | 2013-08-26 | River-crossing bridge frame for cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524881.8U CN203500656U (en) | 2013-08-26 | 2013-08-26 | River-crossing bridge frame for cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500656U true CN203500656U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524881.8U Expired - Fee Related CN203500656U (en) | 2013-08-26 | 2013-08-26 | River-crossing bridge frame for cables |
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| Country | Link |
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| CN (1) | CN203500656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453219A (en) * | 2013-08-26 | 2013-12-18 | 中国能源建设集团广东省电力设计研究院 | Cable river-crossing bridge |
-
2013
- 2013-08-26 CN CN201320524881.8U patent/CN203500656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453219A (en) * | 2013-08-26 | 2013-12-18 | 中国能源建设集团广东省电力设计研究院 | Cable river-crossing bridge |
| CN103453219B (en) * | 2013-08-26 | 2016-03-02 | 中国能源建设集团广东省电力设计研究院有限公司 | Cable crosses the river crane span structure |
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| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: GUANGDONG ELECTRIC POWER DESIGN INSTITUTE OF CHINA ENERGY ENGINEERING GROUP Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20210826 |