CN204030412U - There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts - Google Patents
There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts Download PDFInfo
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- CN204030412U CN204030412U CN201420235208.7U CN201420235208U CN204030412U CN 204030412 U CN204030412 U CN 204030412U CN 201420235208 U CN201420235208 U CN 201420235208U CN 204030412 U CN204030412 U CN 204030412U
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- frame body
- side frame
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- crossing
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- 239000011152 fibreglass Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 16
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of 500 kv substation 220 kilovolts and occurs engineering stringing crossing frame system, comprises the crossing frame being arranged on highway both sides, the bearing rope connecting both sides crossing frame and the fiberglass be laid on bearing rope.Compared with prior art, the utility model has the advantages such as safe and reliable, easy construction.
Description
Technical field
The utility model relates to a kind of power construction technical field of auxiliary equipment, especially relates to a kind of 500 kv substation 220 kilovolts and occurs engineering stringing crossing frame system.
Background technology
Because the quality of transmission pressure particularly high voltage electricity transmission conductive wire itself is just larger, and for adjacent two steel towers supporting transmission pressure, there is larger span, between adjacent two steel towers, there are electrified body, crops, trees, river, road, building and structures etc. by the barrier crossed over simultaneously, so erection or dismounting transmission pressure are a complexity and difficult engineering.
In prior art, erection or dismounting transmission pressure usually adopt and are arranged on guide rope between adjacent two steel towers and are suspended on the coaster controlled on guide rope and by bracing wire, and for avoid transmission pressure and ground or with the above-mentioned crossing frame that contacted by across obstacle and the net that insulate, crossing frame wherein leads to the frame structure be made up of the aluminium alloy of steel alloy or lighter weight.Owing to needing the transmission pressure setting up or be removed under the traction of coaster, to move between adjacent two steel towers, and in the process of transmission pressure movement, supported and slippage thereon by crossing frame, as can be seen here, crossing frame not only carries the weight of transmission pressure, also and between transmission pressure produce sliding friction simultaneously, so, crossing frame in any case firm also easily the larger frictional force that produces by the transmission pressure of slippage wear and tear, particularly be removed old transmission pressure, because its surface is similar to zigzag tip, more easily make apart from more frame damage, in addition, frictional resistance between transmission pressure and crossing frame also can produce considerable influence to traction element, because of guide rope and coaster, and bracing wire is subject to the effect of wind-force in the air at height, often there will be guide rope and the phenomenon such as guy winding and coaster skew, after this phenomenon occurs, coaster moves more difficult, and guide rope and guy winding and coaster also need the frictional resistance overcome between transmission pressure and crossing frame transmission pressure could to be moved under shift state, be easy to cause the phenomenons such as transmission pressure stagnation, and then affect construction progress and increase the operations such as maintenance capacity, its construction cost significantly improves.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of 500 kv substation 220 kilovolts to occur engineering stringing crossing frame system.
The purpose of this utility model can be achieved through the following technical solutions: a kind of 500 kv substation 220 kilovolts occurs in engineering stringing across highway crossing frame system, it is characterized in that, comprise the crossing frame being arranged on highway both sides, the bearing rope connecting both sides crossing frame and the fiberglass be laid on bearing rope.
Described crossing frame is spliced by 8 rectangle frames, wherein 6 rectangle frames are divided into two rows and are spliced into a large rectangular-shaped large size side frame body, two other rectangle frame is separately positioned on homonymy two ends above large size side frame body, form two and separate the independent small size side frame body arranged, described small size side frame body, large size side frame body are equipped with the bracing wire connecting bottom surface.
Described small size side frame body is arranged on side, large size side frame body top, forms stepped with large size side frame body.
Described bracing wire one end connects small size side frame body or large size side frame body top drift angle, and the other end is connected with the earth anchor on ground.
Described rectangle frame is spliced by section bar with holes, two limits that its medium and small sizes side frame body top is parallel are at least provided with the location hole of four corresponding apertures as bearing rope, described bearing rope is through location hole, one end is pulled in the crossing frame of highway opposite side, and the other end is connected with the earth anchor of bottom surface.
Reserved steel wire loop is provided with in described location hole.
Described bearing rope and the angle of bottom surface are 30 ~ 60 degree.
Described bearing rope is Di Nima insulating cord, is provided with at least four, is each passed through the location hole in the small size side frame body of the crossing frame on highway both sides, the long 80m of every root, and maximum rupture pull force is 14 tons.
Described bearing rope rear end is tightened up by the chain block of 3 tons.
The crossing frame on described highway both sides is oppositely arranged, and wherein each small size side frame body all forms one group with the small size side frame body on its opposite, often organizes small size side frame body and is provided with at least two bearing ropes, and lays one block of fiberglass at interval of 4m on bearing rope.
Compared with prior art, the utility model sets up 2 crossing frames in highway both sides, each crossing frame is provided with two small size side frame body, totally 4, two relative small size side frame body form one group, connected by bearing rope, it is assembled that large size side frame body all adopts section bar to carry out to small size side frame body, interchangeability is good, can be assembled arbitrarily, after overall package, lightweight, volume is little, be easy to construction, connection between section bar sheet adopts male and female fit mode and latch, very convenient, after whole crossing frame is assembled into, analogue test under stringing accident conditions, entirety meets requirement of strength, safe and reliable, the requirement of highway great-leap-forward construction can be met well.After construction, pull rope can be used to be removed by fiberglass easily and reclaim, and retract bearing rope, whole crossing frame is removed from the top down according to installing the rightabout set up, and remove easily, easy to operate, section bar can utilize again, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model crosses over system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
As shown in Figure 1, a kind of 500 kv substation 220 kilovolts occurs in engineering stringing across highway crossing frame system, comprise the crossing frame being arranged on highway both sides: crossing frame a1 and crossing frame b2, the bearing rope 3 connecting both sides crossing frame a1 and crossing frame b2 and the fiberglass 4 be laid on bearing rope 3.
Described crossing frame a1 is spliced by 8 rectangle frames, wherein 6 rectangle frames are divided into two rows and often arrange three and be spliced into a large rectangular-shaped large size side frame body a11, two other rectangle frame is separately positioned on homonymy two ends above large size side frame body, form two and separate the independent small size side frame body arranged, be respectively small size side frame body a12 and small size side frame body b13, described small size side frame body, large size side frame body are equipped with the bracing wire a14 connecting bottom surface, bracing wire 14 one end connects small size side frame body or large size side frame body top drift angle, and the other end is connected with the earth anchor on ground.
Crossing frame b2 is spliced by 8 rectangle frames, wherein 6 rectangle frames are divided into two rows and often arrange three and be spliced into a large rectangular-shaped large size side frame body b21, two other rectangle frame is separately positioned on homonymy two ends above large size side frame body, form two and separate the independent small size side frame body arranged, be respectively small size side frame body c22 and small size side frame body d23, described small size side frame body, large size side frame body are equipped with the bracing wire b24 connecting bottom surface, bracing wire b24 one end connects small size side frame body or large size side frame body top drift angle, and the other end is connected with the earth anchor on ground.
Described small size side frame body is arranged on side, large size side frame body top, forms stepped with large size side frame body.Described rectangle frame is spliced by section bar with holes, two limits that its medium and small sizes side frame body top is parallel are at least provided with the location hole of four corresponding apertures as bearing rope, its medium and small sizes side frame body a12 and small size side frame body c22 is relatively set into one group, and be respectively provided with two corresponding location holes at small size side frame body a12 and small size side frame body c22, 2 bearing rope a31 are through two location holes on small size side frame body a12, and across highway 6, through the location hole of two on small size side frame body b22, bearing rope a31 two ends are connected with the earth anchor on ground, both sides, and side is provided with the chain block 5 of 3 tons wherein, be used for tightening up bearing rope a31, bearing rope a31 is greater than 8m across the vertical range of the part perigee distance highway 6 of highway 6, on two bearing rope a31, lay one block of fiberglass 4 at interval of 4m simultaneously.
In like manner, small size side frame body b13 and small size side frame body d23 forms second group, and is connected by two bearing rope b32, and two bearing rope b32 also lay one block of fiberglass 4 at interval of 4m.
Reserved steel wire loop is provided with in described location hole.Described bearing rope and the angle of bottom surface are 30 ~ 60 degree.
Described bearing rope is Di Nima insulating cord, is provided with at least four, the long 80m of every root, and maximum rupture pull force is 14 tons.
Claims (6)
1. there is an engineering stringing crossing frame system in 500 kv substation 220 kilovolts, it is characterized in that, comprise the crossing frame being arranged on highway both sides, the bearing rope connecting both sides crossing frame and the fiberglass be laid on bearing rope,
Described crossing frame is spliced by 8 rectangle frames, wherein 6 rectangle frames are divided into two rows and are spliced into a large rectangular-shaped large size side frame body, two other rectangle frame is separately positioned on homonymy two ends above large size side frame body, form two and separate the independent small size side frame body arranged, described small size side frame body, large size side frame body are equipped with the bracing wire connecting bottom surface;
Described rectangle frame is spliced by section bar with holes, two limits that its medium and small sizes side frame body top is parallel are at least provided with the location hole of four corresponding apertures as bearing rope, described bearing rope is through location hole, one end is pulled in the crossing frame of highway opposite side, and the other end is connected with the earth anchor of bottom surface;
Described bearing rope and the angle of bottom surface are 30 ~ 60 degree;
Described bearing rope is Di Nima insulating cord, is provided with at least four, is each passed through the location hole in the small size side frame body of the crossing frame on highway both sides, the long 80m of every root, and maximum rupture pull force is 14 tons.
2. there is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts according to claim 1, and it is characterized in that, described small size side frame body is arranged on side, large size side frame body top, forms stepped with large size side frame body.
3. there is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts according to claim 1, it is characterized in that, described bracing wire one end connects small size side frame body or large size side frame body top drift angle, and the other end is connected with the earth anchor on ground.
4. there is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts according to claim 1, it is characterized in that, be provided with reserved steel wire loop in described location hole.
5. there is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts according to claim 1, and it is characterized in that, described bearing rope rear end is tightened up by the chain block of 3 tons.
6. there is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts according to claim 1, it is characterized in that, the crossing frame on described highway both sides is oppositely arranged, wherein each small size side frame body all forms one group with the small size side frame body on its opposite, often organize small size side frame body and be provided with at least two bearing ropes, and lay one block of fiberglass at interval of 4m on bearing rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235208.7U CN204030412U (en) | 2014-05-09 | 2014-05-09 | There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235208.7U CN204030412U (en) | 2014-05-09 | 2014-05-09 | There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts |
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| Publication Number | Publication Date |
|---|---|
| CN204030412U true CN204030412U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235208.7U Expired - Lifetime CN204030412U (en) | 2014-05-09 | 2014-05-09 | There is engineering stringing crossing frame system in a kind of 500 kv substation 220 kilovolts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451271A (en) * | 2016-12-28 | 2017-02-22 | 国网冀北电力有限公司迁西县供电分公司 | Cable aisle bridge structure and installment method thereof |
-
2014
- 2014-05-09 CN CN201420235208.7U patent/CN204030412U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451271A (en) * | 2016-12-28 | 2017-02-22 | 国网冀北电力有限公司迁西县供电分公司 | Cable aisle bridge structure and installment method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |