CN109577667A - A kind of high-tension cable electricity well original position suspension protection method - Google Patents
A kind of high-tension cable electricity well original position suspension protection method Download PDFInfo
- Publication number
- CN109577667A CN109577667A CN201810409949.5A CN201810409949A CN109577667A CN 109577667 A CN109577667 A CN 109577667A CN 201810409949 A CN201810409949 A CN 201810409949A CN 109577667 A CN109577667 A CN 109577667A
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- CN
- China
- Prior art keywords
- tension cable
- borehole wall
- electricity well
- original position
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
Abstract
The invention discloses a kind of high-tension cable electricity well original position suspension protection methods, including preparation of construction step, cable protection step, brill hole for hoist step, cutting allocation and transportation step and suspension step；Wherein, cutting allocation and transportation step specifically includes, it is separated using cutting equipment along circumferential cut top plate of electricity well, the blocking cutting of the borehole wall not intersected with high-tension cable is separated again, top plate and the borehole wall after cutting separation are transported away from construction site by allocating and transporting equipment, top plate and the borehole wall under cutting number preservation respectively, reinstalled after to be onstructed in situ.The present invention provides a kind of high-tension cable electricity well original position suspension protection methods, greatly shorten the construction period of high tension power cable suspension protection, so that construction efficiency rises；The generation of construction waste is decreased simultaneously, saves construction cost.
Description
Technical field
The present invention relates to the realm of building construction, more particularly to a kind of high-tension cable electricity well original position suspension protection method.
Background technique
City high-tension cable is more using the form of underground of being protected in is laid with, and ensure that safety and residential electricity consumption
Stability, but whole laying higher cost.When need among city carry out heavy duty work construction, as megastore or
When building of iron, buried cable need to carry out certain protection and evade.
There are two types of common paving modes for existing underground high voltage cable tool.The first paving mode is to be spaced a spacing
From an electricity well is just arranged, which is formed by concrete casting, and high-tension cable is formed and determined by passing through in electricity well
, well lid used for overhaul is reserved at the top of electricity well.Second of paving mode be spaced a distance by pipe pillow will be high
Voltage cable carries out gathering fixation, then pipe is rested the head on and is closed by concrete cavity, and constitutes the positioning support of high-tension cable.
In existing construction method, need to dismantle electricity well or concrete cavity comprehensively, and build to generated
It builds waste material and carries out cleaning carrying.After completing forcible entry comprehensively, after carrying out suitable protecting to high-tension cable, then pass through Bailey bracket progress
Suspension.After the completion of construction, electricity well or pipe pillow are reinstalled in situ, taken time and effort.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of suspention of high-tension cable electricity well original position and protects
Maintaining method greatly shortens the construction period of high tension power cable suspension protection, so that construction efficiency rises；Building is decreased simultaneously
The generation of waste material, saves construction cost.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high-tension cable electricity well original position suspension protection
Method, the electricity well include the borehole wall being arranged along the vertical direction, are connected with top plate at the top of the borehole wall, which is equipped with well
Lid, high-tension cable run through the borehole wall, pass through out of electricity well；The original position suspension protection method the following steps are included:
Preparation of construction step, the native stone of cleaning electricity well top and side, exposes the well lid of electricity well and the borehole wall, and
Bailey bracket is assumed above electricity well；
Side buffer layer is arranged in cable protection step, the high-tension cable side in electricity well, is laid with upper buffer layer in top surface；
Hole for hoist step is bored, the top plate of electricity well is suspended in midair by Suspenoing apparatus and is tensed；
Cutting allocation and transportation step is separated using cutting equipment along circumferential cut top plate of electricity well, then will not with high-tension cable
The blocking cutting separation of the borehole wall of intersection, top plate and the borehole wall after cutting separation are transported away from construction site by allocating and transporting equipment, cut
The top plate and the borehole wall cut off number preservation respectively, reinstalled after to be onstructed in situ；
Step is hung, a plurality of hanging holes are drilled on the borehole wall that do not remove, and using steel strand wires that hanging hole is fixed outstanding
It is hung on the Bailey bracket；The hanging hole is symmetrically disposed on the two sides of high-tension cable, and is changed according to the stress distribution of the borehole wall and hung
The density in hole.
Wherein in a preferred embodiment, in the cutting allocation and transportation step, the cutting equipment is rope saw cut equipment；Specifically
Step are as follows:
Hole is sawed along the rope that cut direction is drilled with several intervals on the borehole wall, and rope saw is made sequentially to pass through adjacent rope saw hole,
The borehole wall is cut paragraph by paragraph along cut direction.
Wherein in a preferred embodiment, the hanging hole is symmetrically disposed on the two sides for not removing the borehole wall, and along the vertical direction
Spaced set.
It further include dregs cleanup step: will be in work progress after the suspension step wherein in a preferred embodiment
The dregs of generation is cleared up.
Wherein in a preferred embodiment, in the suspension step, the hanging hole latch closure is provided with fixed lock, the well
Wall hangs on the Bailey bracket by fixation lock.
Wherein in a preferred embodiment, the suspension step further includes bearing bar being arranged in high-tension cable bottom, and will hold
The both ends of weight bar hang on the Bailey bracket.
Wherein in a preferred embodiment, the hanging hole is the through-hole of 4 φ 50.
Wherein in a preferred embodiment, diameter >=15.2mm of the steel strand wires, the hitch point intervals of adjacent steel strand wires >=
1.5m。
Wherein in a preferred embodiment, the side buffer layer is sandbag pile；The upper buffer layer is the double-deck bamboo slab rubber.
The beneficial effects of the present invention are:
1, the construction period is shortened.By cutting and saving the borehole wall of electricity well and top plate monolith, and by remaining
The borehole wall hangs the cable in electricity well position.It is reverted back after the completion of construction, then by the borehole wall under cutting and top plate
The script position of electricity well.Such construction method greatly shortens the construction period of high tension power cable suspension protection, so that construction effect
Rate rises.The generation of construction waste is decreased simultaneously, saves construction cost.
2, keep work progress more safe and reliable, be hardly damaged high-tension cable.Not by the borehole wall of high-tension cable and intersection
In the case where separation, suspension protection is carried out to high-tension cable.It can prevent from making high-tension cable during hanging high-tension cable
At damage.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of high-tension cable electricity of the invention
Power well original position suspension protection method is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the schematic cross-section of electricity well of the invention；
Fig. 2 is suspended structure schematic diagram of the invention；
Fig. 3 is step block diagram of the invention.
Specific embodiment
Embodiment:
Shown in Figure 3, a kind of 2 electricity well of high-tension cable 1 of the invention suspension protection method implementation steps in situ are as follows:
Preparation of construction step, the native stone of cleaning electricity well 1 top and side make well lid and the exposure of the borehole wall 11 of electricity well 1,
And Bailey bracket 5 is assumed above electricity well 1.
Side buffer layer 21 is arranged in cable protection step, 2 side of high-tension cable in electricity well 1, delays on top surface is laid with
Rush layer 22.The side buffer layer 21 is sandbag pile；The upper buffer layer 22 is the double-deck bamboo slab rubber.
Hole for hoist step is bored, the top plate 12 of electricity well 1 is suspended in midair by Suspenoing apparatus and is tensed.
Cutting allocation and transportation step is separated using cutting equipment along circumferential cut top plate 12 of electricity well 1, then will not with high-voltage electricity
The blocking cutting of the borehole wall 11 separation that cable 2 intersects, top plate 12 and the borehole wall 11 after cutting separation are transported away from by allocation and transportation equipment to be applied
Work scene, top plate 12 and the borehole wall 11 under cutting number preservation respectively, reinstalled after to be onstructed in situ.The cutting equipment
For saw cut equipment of restricting；
Wherein, process concrete walls cut using rope saw cut equipment, specifically:
(1) top plate 12 is cut.The borehole wall 11 is tensed top plate 12 by Suspenoing apparatus upwards, along the borehole wall 11 around top plate 12 weeks
Annular cutting path is arranged in circle, and saws hole 13 along the rope that cutting path is drilled with several intervals, and it is adjacent to pass through rope saw sequentially
Rope saw hole 13, the borehole wall 11 is cut paragraph by paragraph along cut direction.Then top plate 12 above mentions under the action of Suspenoing apparatus, and by top plate 12
Remove storage.
(2) side wall is cut.Support is set on the outside of the borehole wall 11, and cutting path is delineated to the edge of side wall, along the borehole wall 11
Annular cutting path is set around 12 border of top plate, and saws hole 13 along the rope that cutting path is drilled with several intervals, and make rope saw sequentially
Hole 13 is sawed across adjacent rope, the borehole wall 11 is cut paragraph by paragraph along cut direction.The side wall that finally will be disengaged from removes storage.
Step is hung, a plurality of hanging holes 14 are drilled on the borehole wall 11 that do not remove, and use steel strand wires 4 by hanging hole 14
Fixation hangs on the Bailey bracket 5；The hanging hole 14 is symmetrically disposed on the two sides of high-tension cable 2, and according to the stress of the borehole wall 11
Distribution changes the density of hanging hole 14.
Dregs cleanup step clears up the dregs generated in work progress.
The planform of electricity well 1 is shown in Figure 1, and electricity well 1 includes the borehole wall 11 being arranged along the vertical direction, the well
The top of wall 11 is connected with top plate 12, which is equipped with well lid, and high-tension cable 2 runs through the borehole wall 11, wears out of electricity well 1
It crosses.
Figure chain lines direction is exemplary cut direction, is drilled with rope saw hole 13 along the cut direction interval, and pass through rope
Saw equipment is cut paragraph by paragraph, and cuts off the borehole wall 11 along cut direction.
Suspended structure is shown in Figure 2, and the hanging hole 14 is symmetrically disposed on the two sides for not removing the borehole wall 11, and along perpendicular
Histogram is to spaced set.14 latch closure of hanging hole is provided with fixed lock, and the borehole wall 11 passes through fixation lock suspension
In the Bailey bracket 5.Bearing bar 3 is set in 2 bottom of high-tension cable, and the both ends of bearing bar 3 are hung on into the Bailey bracket 5.
The hanging hole 14 is the through-hole of 4 φ 50.Diameter >=15.2mm of the steel strand wires 4, the hitch point intervals of adjacent steel strand wires 4 >=
1.5m。
Above-described embodiment is only used to further illustrate a kind of high-tension cable electricity well original position suspension protection method of the invention,
It is to the above embodiments according to the technical essence of the invention any simply to repair but the invention is not limited to embodiment
Change, equivalent variations and modification, falls within the scope of protection of technical solution of the present invention.
Claims (9)
- It, should 1. a kind of high-tension cable electricity well original position suspension protection method, the electricity well include the borehole wall being arranged along the vertical direction Top plate is connected at the top of the borehole wall, which is equipped with well lid, and high-tension cable runs through the borehole wall, passes through out of electricity well；It is special Sign is, the original position suspension protection method the following steps are included:Preparation of construction step, the native stone of cleaning electricity well top and side make well lid and the borehole wall exposure of electricity well, and in electric power Bailey bracket is assumed above well；Side buffer layer is arranged in cable protection step, the high-tension cable side in electricity well, is laid with upper buffer layer in top surface；Hole for hoist step is bored, the top plate of electricity well is suspended in midair by Suspenoing apparatus and is tensed；Cutting allocation and transportation step is separated along circumferential cut top plate of electricity well using cutting equipment, then will do not intersected with high-tension cable The borehole wall blocking cutting separation, top plate and the borehole wall after cutting separation are transported away from construction site by allocation and transportation equipment, under cutting Top plate and the borehole wall number preservation respectively, reinstalled after to be onstructed in situ；Step is hung, a plurality of hanging holes are drilled on the borehole wall that do not remove, and hang on hanging hole fixation using steel strand wires The Bailey bracket；The hanging hole is symmetrically disposed on the two sides of high-tension cable, and changes hanging hole according to the stress distribution of the borehole wall Density.
- 2. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, which is characterized in that described to cut It cuts in allocation and transportation step, the cutting equipment is rope saw cut equipment；Specific steps are as follows:Hole is sawed along the rope that cut direction is drilled with several intervals on the borehole wall, and rope saw is made sequentially to pass through adjacent rope saw hole, by well Wall is cut paragraph by paragraph along cut direction.
- 3. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: described outstanding Hanging hole is symmetrically disposed on the two sides for not removing the borehole wall, and spaced set along the vertical direction.
- 4. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: described After hanging step, further includes dregs cleanup step: the dregs generated in work progress is cleared up.
- 5. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: described outstanding It hangs in step, the hanging hole latch closure is provided with fixed lock, and the borehole wall hangs on the Bailey bracket by fixation lock.
- 6. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: described outstanding Hanging step further includes, and bearing bar is arranged in high-tension cable bottom, and the both ends of bearing bar are hung on the Bailey bracket.
- 7. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: described outstanding Hanging hole is the through-hole of 4 φ 50.
- 8. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: the steel Diameter >=15.2mm of twisted wire, hitch point interval >=1.5m of adjacent steel strand wires.
- 9. a kind of high-tension cable electricity well original position according to claim 1 suspension protection method, it is characterised in that: the side Buffer layer is sandbag pile；The upper buffer layer is the double-deck bamboo slab rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409949.5A CN109577667A (en) | 2018-05-02 | 2018-05-02 | A kind of high-tension cable electricity well original position suspension protection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409949.5A CN109577667A (en) | 2018-05-02 | 2018-05-02 | A kind of high-tension cable electricity well original position suspension protection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109577667A true CN109577667A (en) | 2019-04-05 |
Family
ID=65919496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810409949.5A Pending CN109577667A (en) | 2018-05-02 | 2018-05-02 | A kind of high-tension cable electricity well original position suspension protection method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151472A (en) * | 1995-11-30 | 1997-06-10 | Techno Kuriito:Kk | Construction method for propelling sunken shaft also used as manhole, sinking control device and sunken block |
| CN202099804U (en) * | 2011-05-19 | 2012-01-04 | 长业建设集团有限公司 | Bailey bracket hanging and underpining system for foundation-pit-spanning pipe lines |
| CN103291085A (en) * | 2013-06-07 | 2013-09-11 | 陈春来 | Concrete static force cutting dismantling construction method |
| CN104676110A (en) * | 2015-01-22 | 2015-06-03 | 中国地质大学（武汉） | On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit |
| CN105569375A (en) * | 2014-10-17 | 2016-05-11 | 上海宝冶集团有限公司 | Large complex steel structure tank protective demolition and installation method |
| CN107604941A (en) * | 2017-01-03 | 2018-01-19 | 深圳大学 | A kind of new and old subway station connectivity part diaphragm wall and side wall restructuring bankrupt |
-
2018
- 2018-05-02 CN CN201810409949.5A patent/CN109577667A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09151472A (en) * | 1995-11-30 | 1997-06-10 | Techno Kuriito:Kk | Construction method for propelling sunken shaft also used as manhole, sinking control device and sunken block |
| CN202099804U (en) * | 2011-05-19 | 2012-01-04 | 长业建设集团有限公司 | Bailey bracket hanging and underpining system for foundation-pit-spanning pipe lines |
| CN103291085A (en) * | 2013-06-07 | 2013-09-11 | 陈春来 | Concrete static force cutting dismantling construction method |
| CN105569375A (en) * | 2014-10-17 | 2016-05-11 | 上海宝冶集团有限公司 | Large complex steel structure tank protective demolition and installation method |
| CN104676110A (en) * | 2015-01-22 | 2015-06-03 | 中国地质大学（武汉） | On-site overhanging protection method of high-voltage cable bailey truss under condition of excavation of foundation pit |
| CN107604941A (en) * | 2017-01-03 | 2018-01-19 | 深圳大学 | A kind of new and old subway station connectivity part diaphragm wall and side wall restructuring bankrupt |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |