CN210111558U - Cable river-crossing bridge - Google Patents
Cable river-crossing bridge Download PDFInfo
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- CN210111558U CN210111558U CN201920918516.2U CN201920918516U CN210111558U CN 210111558 U CN210111558 U CN 210111558U CN 201920918516 U CN201920918516 U CN 201920918516U CN 210111558 U CN210111558 U CN 210111558U
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- bridge
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
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- 238000005452 bending Methods 0.000 claims abstract description 5
- 210000005069 ears Anatomy 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 32
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The utility model discloses a cable river-crossing bridge, which comprises a bridge main body, a bridge foundation and a cable protection pipe; the bridge frame main body comprises a plurality of truss units and connecting pieces, wherein a plurality of horizontal supports are arranged in the truss units and are fixed on the truss units in a multi-layer manner; the cable protection pipes are respectively arranged on the horizontal brackets and fixed on the horizontal brackets through anchor ears; the hoop plate part of the hoop hoops the cable protection pipe, the wing plate part is provided with a hole and is fixed on the horizontal bracket through a bolt; the connecting piece includes endocyst angle steel and two outer steel sheets of pasting, on two bending surfaces of endocyst angle steel, paste the steel sheet outward and the both ends of truss unit all seted up a plurality of mounting holes that correspond, and the coupling end clamp of two adjacent truss units is located endocyst angle steel and two outer steel sheets of pasting, and the mounting hole that just corresponds passes through bolt-up connection. The utility model discloses a cable bridge frame of crossing a river solves current cable and crosses a river and erect with high costs, the problem of construction difficulty.
Description
Technical Field
The utility model relates to an electrical equipment supplies distribution protection technical field, concretely relates to cable bridge frame of crossing a river.
Background
The electric power construction industry in China is developed rapidly nowadays, but the urban beautification requirement is higher and higher, so that more and more overhead cables in cities are introduced underground. When the buried cable meets a wider river channel, the water depth is deeper, and the navigation requirement is met, but the path cannot be changed. At the present stage, the electric power engineering cable crossing the river section generally adopts two modes of trenchless directional drilling technology and pipe jacking technology.
The trenchless directional drilling technology is also called dragging pipe and dragging pipe construction, is a new construction process combining the directional drilling technology of the petroleum industry and the traditional pipeline construction method, and is widely applied to the construction of various underground pipelines such as municipal administration, telecommunication, electric power and the like in recent years. The construction of the drag pipe has certain disadvantages:
(1) the construction range of the dragging pipe has limitation, and the process is not suitable for the overlong or overlong cable path.
(2) The construction process of the drag pipe has limitation, and the environment pollution caused by externally discharged muddy water in the construction process is large.
(3) After the dragging construction is finished, gaps between product pipes and back-reaming holes are processed, the products cannot be backfilled compactly like a construction method of slotting and pipe burying, and the road can sink slightly after slurry in holes is solidified for pipeline parts crossing the road.
(4) The elevation of the pipeline laid by the non-excavation construction method is approximate to an inverted curve, so that the cleaning of the deposited sewage in the rainwater and sewage pipeline is inconvenient.
(5) When the construction site has interference, such as a radio transmitting station, a power transmission line, a transformer and the like, the measurement precision of the handheld tracker is influenced.
The pipe-jacking construction technology is a pipe laying technology, without excavating the ground, a hydraulic jack with huge thrust is used behind a pipe-jacking tunneling machine with a remote control device, so that the tunneling machine and a pipeline following the tunneling machine penetrate through the soil layer to reach a pre-designed position, and the pipe-jacking construction technology is called pipe-jacking engineering. Excavation occurs in front of the pipe pushing jack, and the material to be excavated is discharged by a pump for a slurry circulation system to reach the ground surface. The pipe jacking construction has the following defects:
(1) the requirement of pipe jacking construction on the quality of construction personnel is high, and construction needs a special person to design and carry out construction.
(2) The push pipe machine is expensive to purchase, inconvenient to transport and not economical for short projects in construction sections.
(3) The pipe jacking construction needs to be provided with a special working well and a receiving well, the working well is generally large and belongs to the range of a deep foundation pit, the construction risk coefficient is high, uncontrollable factors are more, the period is long, and the manufacturing cost is high.
(4) After the construction of the jacking pipe is finished, corresponding drainage and ventilation measures need to be considered, and the later-period operation and maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a new cable mode of crossing a river to it is with high costs to solve current cable crossing a river, the problem of construction difficulty.
In order to solve the technical problem, the utility model provides a cable bridge for crossing a river, which comprises a bridge main body, a bridge foundation and a plurality of cable protection pipes, wherein the bridge main body crosses over a river channel, the number of the bridge foundations is at least two, at least two bridge foundations are arranged on two banks of the river channel, and the cable protection pipes are used for passing cables;
the bridge frame main body comprises a plurality of rectangular frame type truss units and connecting pieces, a plurality of horizontal supports are arranged in the truss units, and the horizontal supports are fixed on the truss units in a multi-layer mode; the cable protection pipes are respectively arranged on the horizontal brackets and fixed on the horizontal brackets through anchor ears; the hoop plate part of the hoop hoops the cable protection pipe, and the wing plate part is provided with a hole and is fixed on the horizontal bracket through a bolt;
the connecting piece includes endocyst angle steel and two outer steel sheets of pasting, a plurality of mounting holes that correspond have all been seted up at the both ends of on two bending surfaces of endocyst angle steel, on pasting the steel sheet outward and truss unit, the tip clamp of the connection of two adjacent truss units is located between endocyst angle steel and two outer steel sheets of pasting, and the mounting hole that corresponds passes through bolt-up connection to make a plurality of truss units connect into the crane span structure main part.
Furthermore, any two truss units are connected through four connecting pieces, and the four connecting pieces are respectively fixed on four circumferential surfaces of the truss units.
Furthermore, the truss unit is a cubic space frame structure formed by four main materials, a plurality of transverse connecting rods and a plurality of vertical connecting rods, wherein the transverse connecting rods and the vertical connecting rods are in one-to-one correspondence and fixed on a pair of main materials at a certain distance.
Furthermore, oblique reinforcing rods are arranged on four circumferential surfaces of the truss unit and located between two adjacent transverse connecting rods or vertical connecting rods.
Furthermore, the main material is single angle steel, and the transverse connecting rod, the vertical connecting rod and the oblique reinforcing rod are fixed on the main material through bolts.
Furthermore, a pair of main materials at the bottom of the truss units at two ends of the bridge main body are provided with a base connecting gusset plate for connecting a bridge foundation.
Furthermore, porous aluminum plates are arranged on four circumferential surfaces of the bridge frame main body.
Furthermore, U-shaped connecting plates are fixedly arranged on four circumferential surfaces of the bridge frame main body, and the porous aluminum plate is fixedly arranged on the U-shaped connecting plates through bolts.
Furthermore, the two ends of the bridge frame main body are connected with cable wells, and the cable wells are linear wells, corner wells or joint wells.
Furthermore, an anti-climbing fence is arranged at the end part, close to the cable well, of the bridge main body.
The utility model has the advantages that:
the utility model discloses a cable crosses river crane span structure, the crane span structure mode is crossed the river and can be practiced thrift 80% cost for the push pipe engineering, can practice thrift 50% cost for dragging the pipe engineering. The bridge frame is a truss structure assembled by angle steel as a main body, can be used for processing components in a factory and assembling on site, is less constrained by complex conditions of a construction site, and can greatly shorten the construction period. The cable bridge has the advantages of better utilization rate of materials, simple structure, better rigidity, hollow structure and larger gas phase flux, is more favorable for heat dissipation of cables, can indirectly improve the conveying capacity of a cable channel, does not need to be provided with drainage and ventilation, is more favorable for later-stage operation and maintenance unit maintenance, and reduces operation and maintenance cost.
Drawings
Fig. 1 is a schematic structural view of a cable river-crossing bridge according to an embodiment of the present invention;
fig. 2 is a top view (upper), a front view (middle) and a bottom view (lower) of the bridge body of the present invention;
FIG. 3 is a side view of the bridge body;
FIG. 4 is a schematic view of the structure of the connector;
FIG. 5 is a schematic structural view of the hoop;
FIG. 6 is a schematic view of the installation of a porous aluminum plate;
the reference numbers in the figures illustrate: 100. a bridge frame body; 110. a truss unit; 111. a main material; 112. a transverse connecting rod; 113. a vertical connecting rod; 114. an oblique reinforcing rod; 115. a horizontal support; 120. a connecting member; 121. internally wrapping angle steel; 122. externally pasting a steel plate; 130. a U-shaped connecting plate; 140. a foundation connection gusset plate; 150. a porous aluminum plate; 160. anti-climbing fences; 200. a bridge foundation; 300. a cable well; 400. a cable protection tube; 410. hooping; 420. and (4) bolts.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, it is an embodiment of the bridge for cable crossing river according to the present invention, which includes a bridge main body 100, a bridge foundation 200 and a plurality of cable protection tubes 400, wherein the bridge main body 100 spans across the river, the number of the bridge foundation 200 is at least two, and at least two bridge foundations 200 are disposed on both banks of the river, and the cable protection tubes 400 are used for cable passing. A plurality of bridge foundations 200 can be added to the pond as required.
The two ends of the bridge main body 100 are connected with cable wells 300, and the cable wells 300 are straight wells, corner wells or joint wells. Anti-climb fences 160 are provided on the end of the tray body 100 near the cable well 300 to prevent people or animals from climbing onto the tray body 100.
In order to adapt to the river course of different width, the utility model discloses in, crane span structure main part 100 includes truss unit 110 and connecting piece 120 of a plurality of rectangle frame-types, and truss unit 110 passes through connecting piece 120 and assembles together to make crane span structure main part 100's length adjustable, the section equipment when length is not enough reaches the requirement of large-span.
Specifically, referring to fig. 2, the truss unit 110 is a rectangular frame structure formed by four main materials 111, a plurality of transverse links 112 and a plurality of vertical links 113, wherein the transverse links 112 and the vertical links 113 are in one-to-one correspondence and fixed to a pair of main materials 111 at a distance from each other. The four circumferential surfaces of the truss unit 110 are provided with oblique reinforcing rods 114, and the oblique reinforcing rods 114 are located between two adjacent transverse connecting rods 112 or vertical connecting rods 113.
In the prior art, most bridge frame main materials 111 are made of double angle steel or steel pipes, and are inconvenient to process, connect and assemble on site. And the utility model discloses in, main material 111 is single angle steel, preferably wide-angle limb single angle steel, reduces the degree of difficulty that installation and processing produced. The main material 111 adopts double alignment line bolt to punch, and the transverse connecting rod 112, the vertical connecting rod 113 and the oblique reinforcing rod 114 are fixed on the main material 111 through bolt connection.
Referring to fig. 4, the connecting member 120 includes an inner wrap angle steel 121 and two outer steel plates 122, wherein a plurality of corresponding mounting holes are formed on two bending surfaces of the inner wrap angle steel 121, the outer steel plates 122 and both ends of the truss unit 110. Correspondingly, two rows of mounting holes are formed in the two bending surfaces of the inner package angle steel 121, and the two rows of mounting holes are arranged in a staggered manner. The connecting end portions of two adjacent truss units 110 are clamped between the inner wrap angle steel 121 and the two outer attachment steel plates 122, and the corresponding mounting holes are fastened and connected by bolts, so that the plurality of truss units 110 are connected into the bridge frame body 100. In this embodiment, any two truss units 110 are connected by four connecting members 120, and the four connecting members 120 are respectively fixed on four circumferential surfaces of the truss units 110 in a staggered manner. Adopt the utility model discloses a connecting piece 120 has made things convenient for the equipment of truss unit 110, does not have the intensity that reduces truss connection department simultaneously.
The truss units 110 at both ends of the bridge body 100 are provided with a base connection gusset plate 140 on the pair of main members 111 at the bottom for connecting the bridge base 200.
Referring to fig. 3, in the present invention, a plurality of horizontal brackets 115 are disposed in the truss unit 110, and the plurality of horizontal brackets 115 are fixed to the truss unit 110 in multiple layers, preferably fixed to the truss unit 110 by bolts. The cable protection pipes 400 are respectively arranged on the horizontal brackets 115 and fixed on the horizontal brackets 115 through anchor ears 410; the plate portion of the anchor ear 410 is fastened to the cable protection tube 400, and the plate portion is opened and fixed to the horizontal bracket 115 by bolts 420. As shown in fig. 5, in the present invention, the hoop 410 is composed of a plurality of half hoops 410 connected together, and the advantage of using this hoop 410 is that a plurality of cable protection tubes 400 can be fixed at a time, and the cable protection tubes 400 are separated by equal intervals.
Furthermore, the utility model discloses in, still be equipped with U type connecting plate 130 and porous aluminum plate 150 on the circumference four sides of crane span structure main part 100, porous aluminum plate 150 through bolt fixed mounting in on the U type connecting plate 130. The porous aluminum plate 150 wraps the bridge body 100 on four sides, so that the effects of beauty and heat dissipation are achieved.
The cable river-crossing bridge frame of the embodiment can save 80% of construction cost compared with a top pipe project and 50% of construction cost compared with a dragging pipe project by crossing a river in a bridge frame mode. The bridge frame main body adopts a truss structure assembled by angle steel, can be used for processing components in a factory, is assembled on site, is slightly restrained by complex conditions of a construction site, and can greatly shorten the construction period. The cable bridge has the advantages of better utilization rate of materials, simple structure, better rigidity, hollow structure and larger gas phase flux, is more favorable for heat dissipation of cables, can indirectly improve the conveying capacity of a cable channel, does not need to be provided with drainage and ventilation, is more favorable for later-stage operation and maintenance unit maintenance, and reduces operation and maintenance cost.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a cable crosses river crane span structure, includes crane span structure main part, crane span structure basis and a plurality of cable protection pipe, the crane span structure main part spans the river course, the quantity on crane span structure basis is two at least, and has at least two the both sides bank in river course is located to the crane span structure basis, be used for the cable to pass through its characterized in that in the cable protection pipe:
the bridge frame main body comprises a plurality of rectangular frame type truss units and connecting pieces, a plurality of horizontal supports are arranged in the truss units, and the horizontal supports are fixed on the truss units in a multi-layer mode; the cable protection pipes are respectively arranged on the horizontal brackets and fixed on the horizontal brackets through anchor ears; the hoop plate part of the hoop hoops the cable protection pipe, and the wing plate part is provided with a hole and is fixed on the horizontal bracket through a bolt;
the connecting piece includes endocyst angle steel and two outer steel sheets of pasting, a plurality of mounting holes that correspond have all been seted up at the both ends of on two bending surfaces of endocyst angle steel, on pasting the steel sheet outward and truss unit, the tip clamp of the connection of two adjacent truss units is located between endocyst angle steel and two outer steel sheets of pasting, and the mounting hole that corresponds passes through bolt-up connection to make a plurality of truss units connect into the crane span structure main part.
2. The cable river-crossing bridge of claim 1, wherein any two truss units are connected by four connecting members, and the four connecting members are respectively fixed to four circumferential surfaces of the truss units.
3. The cable river-crossing bridge stand of claim 2, wherein the truss units are cubic space frame structures formed by four main materials, a plurality of transverse connecting rods and a plurality of vertical connecting rods, and the transverse connecting rods and the vertical connecting rods are in one-to-one correspondence and fixed on a pair of main materials at a certain distance from each other.
4. The cable tray of claim 3, wherein the truss members are provided with diagonal reinforcing bars on four circumferential sides, and the diagonal reinforcing bars are located between two adjacent transverse connecting rods or vertical connecting rods.
5. The cable tray of claim 4, wherein the main material is a single angle steel, and the transverse connecting rods, the vertical connecting rods and the diagonal reinforcing rods are fixed to the main material by bolts.
6. The cable tray of claim 5, wherein the truss members at each end of the tray body have a base connection gusset plate on a pair of main members at the bottom thereof for connecting to a tray base.
7. The cable tray of claim 6, wherein the tray body is provided with porous aluminum sheets on four circumferential sides.
8. The cable river-crossing bridge stand of claim 7, wherein U-shaped connecting plates are fixedly arranged on four circumferential surfaces of the bridge stand body, and the porous aluminum plate is fixedly arranged on the U-shaped connecting plates through bolts.
9. The cable river-crossing bridge stand of claim 8, wherein cable wells are connected to both ends of the bridge stand body, and the cable wells are straight wells, corner wells or connector wells.
10. The cable river-crossing tray of claim 9, wherein an anti-climb fence is provided on the end of the tray body near the cable well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918516.2U CN210111558U (en) | 2019-06-18 | 2019-06-18 | Cable river-crossing bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918516.2U CN210111558U (en) | 2019-06-18 | 2019-06-18 | Cable river-crossing bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210111558U true CN210111558U (en) | 2020-02-21 |
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ID=69564398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920918516.2U Expired - Fee Related CN210111558U (en) | 2019-06-18 | 2019-06-18 | Cable river-crossing bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210111558U (en) |
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2019
- 2019-06-18 CN CN201920918516.2U patent/CN210111558U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |