CN103457186A - Movable cable trench gap bridge for power transformation construction - Google Patents
Movable cable trench gap bridge for power transformation construction Download PDFInfo
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- CN103457186A CN103457186A CN2013104109136A CN201310410913A CN103457186A CN 103457186 A CN103457186 A CN 103457186A CN 2013104109136 A CN2013104109136 A CN 2013104109136A CN 201310410913 A CN201310410913 A CN 201310410913A CN 103457186 A CN103457186 A CN 103457186A
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- gap bridge
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- transformation construction
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Abstract
Provided is a movable cable trench gap bridge for power transformation construction. The movable cable trench gap bridge for power transformation construction comprises a gap bridge body made of concrete materials, universal wheels, a gap bridge frame made of metal materials, and an anti-stress metal plate, wherein the universal wheels are installed on the lower end face of the gap bridge body, the gap bridge frame wraps the edge of the gap bridge body, the anti-stress metal plate is arranged inside the gap bridge body, and the upper end face of the anti-stress metal plate is bent upwards. The movable cable trench gap bridge for power transformation construction is simple in structure, solves the problem that a work vehicle cannot freely cross a cable trench, and greatly improves working efficiency; due to the fact that the anti-stress metal plate decomposes actuating pressure of the work vehicle or other heavy equipment, the bearing capacity of the movable cable trench gap bridge for power transformation construction is greatly improved, and the service life of the movable cable trench gap bridge for power transformation construction is greatly prolonged; in addition, due to the fact that the universal wheels are arranged, the movable cable trench gap bridge for power transformation construction can be more flexible in use, more convenient to use, and more rapid in use.
Description
Technical field
The present invention relates to the field of Substation construction servicing unit, be specially a kind of power transformation construction and pass a bridge with the movable type cable ditch.
Background technology
Cable trough, be for cabling, the underdrain that the cover plate laid on it can be opened.Excavate and build by laying bricks or stones by designing requirement, the sidewall of ditch welding load slotted-angle shelving ground connection on request, upper cover, with the underdrain of cover plate, is exactly cable trough.Its purposes is exactly the underground designated lane of cabling.
In Substation construction, the construction of cable trough is essential.But at the first stage of construction of cable trough, owing in cable trough, also needing the facilities such as mounting bracket, ground connection, so can not install interim cover plate within a certain period.This time interim, if the electric equipment in being looped around by cable trough is keeped in repair or around in interval, some electric equipment is installed at cable trough, just cable trough need to be crossed to by Operation Van or operating apparatus, because cable trough has certain degree of depth and width, so can give, the workmen's pass through to cause certain difficulty.
At present, for required small instruments and tools, generally take to carry alone, then jump or walk greatly the mode of crossing over cable trough utensil is brought in interval, cable trough besieged city.The large or heavier equipment of weight for volume, the general mode that adopts crane to hang in, but this kind of mode operating time is long, operate dangerous, seriously restricting construction schedule, if the length that needs the arm support of lengthening crane distant, make troubles to the equipment lifting in operation area; The large or heavier equipment of weight for volume, generally also can take to lay the mode of cover plate temporarily, by equipment needed thereby by transporting on cover plate, but this kind of situation that mode is passed through due to larger equipment of weight such as not considering heavy Operation Van on the structural design of cable channel cover plate, so can not bear heavier weight; With regard to the import department as construction site, because constantly passed through by heavy-duty car, get off for a long time due to the effect of concentrated stress, can form a hole in import department, not only detract the useful life of cover plate so directly existing cement cover board is laid to the mode of the equipment larger for weight such as heavy Operation Vans by cable trough, but also have potential safety hazard.
Summary of the invention
The shortcoming existed in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of power transformation construction simple in structure to pass a bridge with the movable type cable ditch, it has solved the problem of Operation Van or heavier device spanning cable trough, make Operation Van or heavier equipment can freely cross over cable trough, enter in the operation area of being encircled a city by cable trough or separating, improved operating efficiency, the potential safety hazard caused because of the existence of cable trough while having reduced operation.
In order to address the above problem, the present invention is by the following technical solutions: a kind of power transformation construction is passed a bridge with the movable type cable ditch, comprise gap bridge main body, the Universal wheel of concrete material, gap bridge framework and the reagency metallic plate of metal material, wherein said Universal wheel is arranged on the lower surface of described gap bridge main body, described gap bridge framework is wrapped in the edge of described gap bridge main body, and described reagency metallic plate is arranged on described gap bridge body interior and its upper surface is bent upwards.
The setting of reagency metallic plate can increase the bearing capacity that cable trough is passed a bridge, and extends its useful life.Because the upper surface of this reagency metallic plate is bent upwards, form arch, so when heavy work car or equipment are passed a bridge by described cable trough, the downward stress that described gap bridge main body upper surface is produced can be decomposed by described reagency metallic plate, thereby has reduced heavy work car or the equipment pressure to the gap bridge main body.
Further, described reagency metallic plate adopts elastic metallic material to make.
Further, described Universal wheel has locking function.It can increase the stationarity that described cable trough is passed a bridge.
Further, the corresponding dual-side in described gap bridge main body upper surface is separately installed with guardrail with removably.Slip and fall in cable trough in the time of can effectively avoiding the staff to pass a bridge by cable trough so on the one hand, increase the construction safety coefficient; Again because described guardrail is demountable, so can allow the work car of wider span or equipment to pass through, increase adaptability on the one hand.
Further, in the lower surface of described gap bridge main body, be provided with metallic plate, and this metallic plate and described gap bridge frame welding are integrated.Can further strengthen like this bearing capacity that this cable trough is passed a bridge.
The invention has the beneficial effects as follows: it is simple in structure, has solved the problem that cable trough can not freely be crossed over by Operation Van, greatly increases work efficiency; Because the decomposition of reagency metallic plate to the actuating pressure of work car or other jumbo, bearing capacity and useful life that this cable trough is passed a bridge extend greatly; In addition, due to the setting of Universal wheel, make use of the present invention more flexible, convenient.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the side-looking structural representation that the movable type cable ditch that the present invention relates to is passed a bridge;
In figure: 1 gap bridge main body, 11 Universal wheels, 12 guardrails, 2 gap bridge frameworks, 3 reagency metallic plates, 4 cable trough ditch bodies, 5 concrete cushions, 6 ground.
Embodiment
For convenience of further understanding technology contents of the present invention, below in conjunction with accompanying drawing, the present invention is described further:
As depicted in figs. 1 and 2, a kind of power transformation construction is passed a bridge with the movable type cable ditch, comprise concrete material gap bridge main body 1, Universal wheel 11, guardrail 12, metal material gap bridge framework 2 and adopt elastic metallic material to make reagency metallic plate 3.
Lower surface in described gap bridge main body 1 can arrange many metallic plates, and the two ends of this each metallic plate all are welded as a whole with described gap bridge framework 2.Described Universal wheel 11 is arranged on the lower surface of described gap bridge main body 1, and described Universal wheel 11 has locking function, the stationarity of passing a bridge in use to increase described cable trough.
Corresponding dual-side in described gap bridge main body 1 upper surface is separately installed with guardrail 12 with removably.As shown in Figure 2, in the both sides of described gap bridge main body 1 length direction, be respectively equipped with T-shaped groove, and the lower end of described guardrail 12 is provided with the T-shaped figure shape termination coordinated with above-mentioned T-shaped groove; Can certainly guardrail 12 be connected to described gap bridge main body 1 upper surface by known connected modes such as screw threads.Adopt removably that guardrail is set, in the time of can effectively avoiding the staff to pass a bridge by cable trough on the one hand, slip and fall in cable trough, play protective action, increase the construction safety coefficient; Again because described guardrail 12 is demountable, so can allow the work car of wider span or equipment to pass through, increase adaptability on the one hand.
Security warning can be set in the upper end of guardrail 12 in addition and indicate, show to exist cable trough herein, to attract much attention, it acts on and seems particularly important night.
Described gap bridge framework 2 is wrapped in inside by described gap bridge main body 1, and described reagency metallic plate 3 is arranged on described gap bridge main body 1 inside and is the state be bent upwards.
The setting of described reagency metallic plate 3 can increase the bearing capacity that cable trough is passed a bridge, and extends its useful life.Because the upper surface of this reagency metallic plate 3 is bent upwards, form arch, so when heavy work car or equipment are passed a bridge by described cable trough, the downward stress that described gap bridge main body upper surface is produced can be decomposed by described reagency metallic plate, thereby has reduced heavy work car or the equipment pressure to the gap bridge main body.
As depicted in figs. 1 and 2, described gap bridge main body 1 is rectangle, and described gap bridge framework 2 is centered around four edges of this gap bridge main body 1.Described gap bridge framework 2 can adopt the U-shaped channel-section steel system of enclosing to form, and makes the opening of two corresponding U-shaped channel-section steels relative, and adjacent two channel-section steels weld together in twos in turn.
When making described gap bridge main body 1, can first with U-shaped channel-section steel, enclose and make described gap bridge framework 2, then the gap bridge framework 2 made is placed on horizontal plane, and, to the interior cast concrete of this gap bridge framework 2, manufactures described gap bridge main body 1, it should be noted that, in the casting process of the lower half storey of described gap bridge main body 1, can add reinforcing bar or bar-mat reinforcement, when being poured into the only about half of place of described gap bridge framework 2 thickness, insert described reagency metallic plate 3, the length of at least described reagency metallic plate 3 is longer than the distance L between the grooved bottom surface of two corresponding U-shaped channel-section steels (i.e. two U-shaped channel-section steels of the described gap bridge framework 2 of formation in the longitudinal direction), specifically to have more %0.5L to %2.5L, and in reality, the numerical value of L is less, the length of described reagency metallic plate 3 has more the percentage of L and more easily gets the surplus amount percentage near described %2.5L, certain width at the above reagency metallic plate 3 of Width, can to the distance between the groove bottom of two U-shaped channel-section steels on Width, there be in right amount surplus and surplus amount to want little more than length according to length direction, after reagency metallic plate 3 is put into to gap bridge framework 2 and is placed on the concrete layer of having built, again pour into concrete described reagency metallic plate 3 is covered, in dependence, the gravity of layer concrete self is depressed described reagency metallic plate 3, when casting concrete again, preferably four edges to described gap bridge framework 2 apply certain pressure towards its framework inside, poured into a mould after the concrete on upper strata and will be constantly repeatedly to have been exerted pressure in the upper surface of the gap bridge main body 1 of cast with the applanation machine, until the concrete sex change is fixed.
Claims (7)
1. a power transformation construction is passed a bridge with the movable type cable ditch, comprises the gap bridge main body of concrete material, it is characterized in that: the gap bridge framework and the reagency metallic plate that also comprise Universal wheel, metal material; Wherein said Universal wheel is arranged on the lower surface of described gap bridge main body; Described gap bridge framework is wrapped in the edge of described gap bridge main body; Described reagency metallic plate is arranged on described gap bridge body interior and its upper surface is bent upwards.
2. power transformation construction according to claim 1 is passed a bridge with the movable type cable ditch, it is characterized in that: described reagency metallic plate adopts elastic metallic material to make.
3. power transformation construction according to claim 1 and 2 is passed a bridge with the movable type cable ditch, and it is characterized in that: described Universal wheel is the stop Universal wheel.
4. power transformation construction according to claim 1 and 2 is passed a bridge with the movable type cable ditch, and it is characterized in that: the corresponding dual-side in described gap bridge main body upper surface is separately installed with guardrail with removably.
5. power transformation construction according to claim 1 and 2 is passed a bridge with the movable type cable ditch, and it is characterized in that: the lower surface in described gap bridge main body is provided with metallic plate, and this metallic plate and described gap bridge frame welding are integrated.
6. power transformation construction according to claim 3 is passed a bridge with the movable type cable ditch, and it is characterized in that: the corresponding dual-side in described gap bridge main body upper surface is separately installed with guardrail with removably.
7. power transformation construction according to claim 1 and 2 is passed a bridge with the movable type cable ditch, and it is characterized in that: the upper end at described guardrail is provided with safety warning light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104109136A CN103457186A (en) | 2013-09-11 | 2013-09-11 | Movable cable trench gap bridge for power transformation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104109136A CN103457186A (en) | 2013-09-11 | 2013-09-11 | Movable cable trench gap bridge for power transformation construction |
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| CN103457186A true CN103457186A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013104109136A Pending CN103457186A (en) | 2013-09-11 | 2013-09-11 | Movable cable trench gap bridge for power transformation construction |
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| CN (1) | CN103457186A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994530A (en) * | 2017-11-22 | 2018-05-04 | 国家电网公司 | A kind of adjustable-type cable duct ad hoc inspection and repair cover board |
| CN108063419A (en) * | 2018-01-11 | 2018-05-22 | 国家电网公司 | A kind of cable channel cover plate bridge |
| CN112054420A (en) * | 2020-09-14 | 2020-12-08 | 国网河南省电力公司温县供电公司 | Movable cable trench gap bridge for power transformation construction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1689646A (en) * | 1926-04-23 | 1928-10-30 | Tutsch Rudolf | Cover plate for cable channels and the like |
| DE10110568C1 (en) * | 2001-03-06 | 2002-11-14 | Adam Hall Gmbh | cable bridge |
| CN201843068U (en) * | 2010-11-03 | 2011-05-25 | 国网运行有限公司宜昌超高压管理处 | Overpass bridge for bearing cable duct in transformer substation |
| CN202513535U (en) * | 2012-03-19 | 2012-10-31 | 中国水电顾问集团华东勘测设计研究院 | Cable trench crossing over traffic roads and cover plate structure |
| CN202997478U (en) * | 2012-12-10 | 2013-06-12 | 山西省电力公司检修分公司 | Transformer substation cable trench cover plate |
| CN203423413U (en) * | 2013-09-11 | 2014-02-05 | 山东送变电工程公司 | Mobile cable trench bridge for substation construction |
-
2013
- 2013-09-11 CN CN2013104109136A patent/CN103457186A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1689646A (en) * | 1926-04-23 | 1928-10-30 | Tutsch Rudolf | Cover plate for cable channels and the like |
| DE10110568C1 (en) * | 2001-03-06 | 2002-11-14 | Adam Hall Gmbh | cable bridge |
| CN201843068U (en) * | 2010-11-03 | 2011-05-25 | 国网运行有限公司宜昌超高压管理处 | Overpass bridge for bearing cable duct in transformer substation |
| CN202513535U (en) * | 2012-03-19 | 2012-10-31 | 中国水电顾问集团华东勘测设计研究院 | Cable trench crossing over traffic roads and cover plate structure |
| CN202997478U (en) * | 2012-12-10 | 2013-06-12 | 山西省电力公司检修分公司 | Transformer substation cable trench cover plate |
| CN203423413U (en) * | 2013-09-11 | 2014-02-05 | 山东送变电工程公司 | Mobile cable trench bridge for substation construction |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994530A (en) * | 2017-11-22 | 2018-05-04 | 国家电网公司 | A kind of adjustable-type cable duct ad hoc inspection and repair cover board |
| CN108063419A (en) * | 2018-01-11 | 2018-05-22 | 国家电网公司 | A kind of cable channel cover plate bridge |
| CN112054420A (en) * | 2020-09-14 | 2020-12-08 | 国网河南省电力公司温县供电公司 | Movable cable trench gap bridge for power transformation construction |
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Application publication date: 20131218 |