CN204898702U - Cement pole up -pull structure is administered in sand control earthen backfill - Google Patents
Cement pole up -pull structure is administered in sand control earthen backfill Download PDFInfo
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- CN204898702U CN204898702U CN201520533116.1U CN201520533116U CN204898702U CN 204898702 U CN204898702 U CN 204898702U CN 201520533116 U CN201520533116 U CN 201520533116U CN 204898702 U CN204898702 U CN 204898702U
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- cement pole
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- 239000004568 cement Substances 0.000 title claims abstract description 65
- 239000004576 sand Substances 0.000 title claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000005260 corrosion Methods 0.000 claims description 19
- 230000007797 corrosion Effects 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000000155 melt Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000011454 mudbrick Substances 0.000 description 7
- 230000008014 freezing Effects 0.000 description 6
- 238000007710 freezing Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000010257 thawing Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000229157 Marah Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a cement pole up -pull structure is administered in sand control earthen backfill, its structure includes cement pole, fixed loop, fixedly acts as go -between, PMKD and the annular clamped piece. The utility model discloses fundamentally has solved china's area in the north, freezes the summer and melts the cement pole up -pull problem that leads to because of the soil winter to simple structure, construction convenience, used material cost is cheap, the time limit for a project is short, greatly reduced annual for solving the required maintenance maintenance cost of cement pole up -pull problem.
Description
Technical field:
The utility model relates to one and prevents from cement pole pulls out structure, particularly relates on a kind of sand control earthen backfill improvement cement pole and pulls out structure.
Background technology:
In northern China most area, there is the winter and freeze the summer and melt in the soil body, thus causes transmission line of electricity part of cement bar generating period pulls out, and on every annual mean is maximum, the amount of pulling out can reach 16cm, also to there is cement pole and tilt and the phenomenon of falling bar in some areas, serious threat line security operation.Body frost heaving is the prerequisite occurring cement pole pulls out, and on pull out generation after, the muddy water sandstone do not freezed around cement pole pole-footing falls into filling hole, and after Second Year is thawed, pole-footing can not fall reposition, is to cause cement pole cumulative bad pulls out and finally causes down the basic reason of bar.
At present, China prevents from cement pole pulls out and mainly contains three class measures, and it is essential that play bracing wire, righting and ridging reinforcing, these class methods need be carried out every year, need at substantial human and material resources, financial resources.Equations of The Second Kind is mainly set about from the process bar base soil body, base oneself upon three Fundamentals eliminating or weaken generation frost heave and (there is the soil of heave susceptibility, certain moisture supply, suitable freezing condition and time), adopt draining water proof, coarse sand changes and fill out and beat the methods such as quicklime pile and process cement pole bar base, such methods engineering amount is great, and frost heave effect is not durable.An other class methods object is the opposing of refinforced cement bar and adapts to freeze thawing deformability, comprise and adopt dark stake formula, spread foundation and isolation method etc., these class methods enhance on cement pole and pull out drag, but shortcoming is that the muddy water sandstone cannot avoiding not freezing around dead man root falls into hole, once generation cement pole pulls out, be difficult to fall after rise to original position, cause in accumulation and pull out, fundamentally do not solve on cement pole and pull out problem.
Utility model content:
Propose one both constructability, save overall expenses, strengthen on shaft and pull out resistance, on the improvement cement pole shaft that can prevent again sand from backfill, draw out method solves an urgent demand of the regional transmission line cement pole of frost heave pulling out problem.
The purpose of this utility model is that providing a kind of sand control earthen backfill to administer on cement pole pulls out structure.
The purpose of this utility model is implemented by following technical scheme, a kind of sand control earthen backfill is administered on cement pole and is pulled out structure, it comprises cement pole, retainer ring, fixing bracing wire, fixed base plate and annular stator, the below of described fixed base plate is provided with described annular stator, the top edge of described annular stator is fixedly connected with the bottom surface of described fixed base plate, the structure design of annular stator and fixed base plate, while resistance is pulled out in increase, effectively prevent sand from backfilling, stop the generation of cement pole shaft pulling out problem.Described cement pole is vertically arranged at above described fixed base plate, and described cement pole bottom is fixed on the end face of described fixed base plate, retainer ring is arranged with above described cement pole, some fixing bracing wires of straining are provided with between described retainer ring and described fixed base plate, one end of described fixing bracing wire and the edge conjunction of described fixed base plate, the other end is connected with described retainer ring, described retainer ring is positioned at more than ground surface, utilize fixing bracing wire, retainer ring is fixedly connected with fixed base plate, cement pole is made to become to be integrated with fixed base plate, increase the total loading of shaft, increase on shaft and pull out resistance.Described cement pole below described retainer ring, described fixed base plate and described annular stator are all embedded in the soil layer on below earth's surface.
Preferably, described retainer ring is metal ring, and described fixing bracing wire is wire, and described fixed base plate is corrosion resistant plate, and described annular stator is ring stainless steel sheet, and the lower edge of described ring stainless steel sheet is blade-like.
Concrete, described soil layer is divided into frozen soil layer and non-frozen soil layer, and the upper strata of described non-frozen soil layer is described frozen soil layer.
Preferably, described fixed base plate and described annular stator be all embedded in described in non-frozen soil layer.
Preferably, some described fixing bracing wires are uniformly distributed.
Operating principle illustrates: the weight of corrosion resistant plate and ring stainless steel sheet increases the total loading of cement pole shaft, adds the compression frost-heave force that above sun-dried mud brick gravity above corrosion resistant plate and corrosion resistant plate, frozen soil layer is downward simultaneously.
(1) when frozen soil layer thickness is less, when the adhesion (freezing plateau resistance) of frozen soil and cement pole is not enough to overcome the total loading of shaft, sun-dried mud brick gravity and compress frost-heave force, the method effectively prevent the generation of cement pole pulling out phenomenon.
(2) when frozen soil layer thickness is larger, freezing plateau resistance make cement pole shaft occur a certain amount of on when pulling out, ring stainless steel sheet inside is made to form hole, the muddy water sandstone do not freezed can be effectively stoped to fall into hole around, after thawing to Second Year, ring stainless steel sheet reinserts below sun-dried mud brick, and hole disappears, cement pole shaft falls reposition, effectively prevent on cement pole shaft and pulls out.
The utility model has the advantage of: 1, the utility model only need excavate sun-dried mud brick above corrosion resistant plate when constructing, and engineering quantity is little, without the need to extensive construction, greatly reduction of erection time, reducing construction cost; 2, the earthen backfill of the utility model sand control is administered and cement pole is pulled out structure primary raw material used is the stainless steel of constant weight, and this material price is cheap, effectively controls improvement cost; 3, when frozen soil layer thickness is less, prevent from cement pole shaft pulls out Be very effective; 4, when frozen soil layer thickness is larger, by the rising of ring stainless steel sheet, falling and sand control earthen backfill effect, can effectively prevent from cement pole shaft pulls out phenomenon; 5, the utility model fundamentally solves the northern area of China, melt on the cement pole that causes pull out problem because the soil winter freezes the summer, and structure is simple, easy construction, material therefor is with low cost, duration is short, greatly reduces every year for solution cement pole pulling out the maintenance maintenance cost needed for problem.
Accompanying drawing illustrates:
A kind of sand control earthen backfill improvement cement pole pulls out structural representation to Fig. 1.
Cement pole 1, metal ring 2, ground 3 after frost heave, original ground 4, frozen soil layer 5, wire 6, non-frozen soil layer 7, corrosion resistant plate 8, ring stainless steel sheet 9.
Detailed description of the invention:
Embodiment 1: as shown in Figure 1, a kind of sand control earthen backfill is administered on cement pole and is pulled out structure, and it comprises cement pole 1, metal ring 2, wire 6, corrosion resistant plate 8 and ring stainless steel sheet 9, and the lower edge of ring stainless steel sheet 9 is blade-like.The below of corrosion resistant plate 8 is provided with ring stainless steel sheet 9, the top edge of ring stainless steel sheet 9 and the bottom surface of corrosion resistant plate 8 are welded to connect, cement pole 1 is vertically arranged at above corrosion resistant plate 8, and cement pole 1 bottom is fixed on the end face of corrosion resistant plate 8, metal ring 2 is arranged with above cement pole 1, be provided with the some wires strained 6 between metal ring 2 and corrosion resistant plate 8, some wires 6 are uniformly distributed.One end of wire 6 and the edge of corrosion resistant plate 8 are welded to connect, and the other end and metal ring 2 are welded to connect, and metal ring 2 is positioned at more than ground surface, and the cement pole 1 below metal ring 2, corrosion resistant plate 8 and ring stainless steel sheet 9 are all embedded in the soil layer on below earth's surface.Soil layer is divided into frozen soil layer 5 and non-frozen soil layer 7, and the upper strata of non-frozen soil layer 7 is frozen soil layer 5.Corrosion resistant plate 8 and ring stainless steel sheet 9 are all embedded in non-frozen soil layer 7.
After soil body generation frost heave, ground has the rising of certain amplitude, and as shown in Figure 1, after frost heave, ground 3 is higher than original ground 4.
Operating principle illustrates: the weight of corrosion resistant plate 8 and ring stainless steel sheet 9 increases the total loading of cement pole 1 shaft, adds the compression frost-heave force that above sun-dried mud brick gravity above corrosion resistant plate 8 and corrosion resistant plate 8, frozen soil layer is downward simultaneously.
(1) when frozen soil layer 5 thickness is less, when frozen soil layer 5 is not enough to overcome the total loading of shaft, sun-dried mud brick gravity and compress frost-heave force with the adhesion (freezing plateau resistance) of cement pole 1, the method effectively prevent the generation of cement pole 1 pulling out phenomenon.
(2) when frozen soil layer 5 thickness is larger, freezing plateau resistance make cement pole 1 shaft occur a certain amount of on when pulling out, ring stainless steel sheet 9 inside is made to form hole, the muddy water sandstone do not freezed can be effectively stoped to fall into hole around, after thawing to Second Year, ring stainless steel sheet 9 reinserts below sun-dried mud brick, and hole disappears, cement pole 1 shaft falls reposition, effectively prevent on cement pole 1 shaft and pulls out.
Claims (5)
1. a sand control earthen backfill is administered on cement pole and is pulled out structure, it is characterized in that, it comprises cement pole, retainer ring, fixing bracing wire, fixed base plate and annular stator, the below of described fixed base plate is provided with described annular stator, the top edge of described annular stator is fixedly connected with the bottom surface of described fixed base plate, described cement pole is vertically arranged at above described fixed base plate, and described cement pole bottom is fixed on the end face of described fixed base plate, retainer ring is arranged with above described cement pole, some fixing bracing wires of straining are provided with between described retainer ring and described fixed base plate, one end of described fixing bracing wire and the edge conjunction of described fixed base plate, the other end is connected with described retainer ring, described retainer ring is positioned at more than ground surface, described cement pole below described retainer ring, described fixed base plate and described annular stator are all embedded in the soil layer on below earth's surface.
2. a kind of sand control earthen backfill according to claim 1 is administered on cement pole and is pulled out structure, it is characterized in that, described retainer ring is metal ring, described fixing bracing wire is wire, described fixed base plate is corrosion resistant plate, described annular stator is ring stainless steel sheet, and the lower edge of described ring stainless steel sheet is blade-like.
3. a kind of sand control earthen backfill according to claim 1 is administered on cement pole and is pulled out structure, and it is characterized in that, described soil layer is divided into frozen soil layer and non-frozen soil layer, and the upper strata of described non-frozen soil layer is described frozen soil layer.
4. a kind of sand control earthen backfill according to claim 3 is administered on cement pole and is pulled out structure, it is characterized in that, non-frozen soil layer described in described fixed base plate and described annular stator are all embedded in.
5. a kind of sand control earthen backfill according to claim 1 is administered on cement pole and is pulled out structure, and it is characterized in that, some described fixing bracing wires are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533116.1U CN204898702U (en) | 2015-07-22 | 2015-07-22 | Cement pole up -pull structure is administered in sand control earthen backfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520533116.1U CN204898702U (en) | 2015-07-22 | 2015-07-22 | Cement pole up -pull structure is administered in sand control earthen backfill |
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| Publication Number | Publication Date |
|---|---|
| CN204898702U true CN204898702U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520533116.1U Active CN204898702U (en) | 2015-07-22 | 2015-07-22 | Cement pole up -pull structure is administered in sand control earthen backfill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040723A (en) * | 2015-07-22 | 2015-11-11 | 国家电网公司 | Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof |
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2015
- 2015-07-22 CN CN201520533116.1U patent/CN204898702U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040723A (en) * | 2015-07-22 | 2015-11-11 | 国家电网公司 | Structure for preventing sand backfill and treating concrete pole up-pulling and construction method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |