CN104358276B - The plastic cable well of reinforcement structure - Google Patents
The plastic cable well of reinforcement structure Download PDFInfo
- Publication number
- CN104358276B CN104358276B CN201410613656.0A CN201410613656A CN104358276B CN 104358276 B CN104358276 B CN 104358276B CN 201410613656 A CN201410613656 A CN 201410613656A CN 104358276 B CN104358276 B CN 104358276B
- Authority
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- China
- Prior art keywords
- housing
- well body
- well
- metal framework
- angle steel
- 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.)
- Expired - Fee Related
Links
- 230000002787 reinforcement Effects 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 title claims abstract description 23
- 229920003023 plastic Polymers 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 210000003205 muscle Anatomy 0.000 claims description 12
- 239000002991 molded plastic Substances 0.000 claims description 4
- 238000009958 sewing Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 description 7
- 239000011449 brick Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1628—Shapes rectangular
- E02D2200/1642—Shapes rectangular made from multiple elements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
- E02D2300/0031—Steel; Iron in cast iron form
Abstract
The present invention relates to power construction or construction technology, more particularly to a kind of acid-fast alkali-proof, long-lived cable shaft, cable shaft includes box-shaped well body, well body includes internal metal framework and the housing being arranged on outside metal framework, described housing is plastic material, entrance hole, wire hole and manhole or hand hole be set on housing, and the inner and/or outer surface of housing is uniformly staggered reinforcement；The structure of interior metal framework, exterior plastic cover, metal framework supporing shell, while the reinforcement of the interlaced arrangement of surface of shell is further ensured that the structural strength of housing.Such cable shaft structural strength is reliable, the reinforcing rib structure on plastic casing and housing causes housing to have certain flexibility simultaneously, it can preferably absorb and buffer vibrations and pressure, with drainage efficiency height, acid and alkali resistance, salt corrosion, the characteristics of suitable a variety of geological conditions use, and earthquake resisting performance is strong, and service life is long；Achieve great economic and social benefit.
Description
The application is Application No.：201210046209.2 patent name is：The invention of " a kind of plastic power cable well "
The divisional application of patent, the original bill applying date：2012-2-28.
Technical field
The present invention relates to power construction or construction technology, and in particular to a kind of cable shaft.
Background technology
Cable shaft, be played in cable burial engineering construction in and completion of works after installation or maintenance effect underground inspection
Look into well.It is generally divided into manhole well and hand hole well.Manhole well is bigger, and people can go inside the well carry out constructing operation.Hand hole well
General smaller, only hand can be put in and carry out operation, typically for branched line, and the electricity passed through in well
Cable is few, and main effect is to do an outdoor transitional function, and when it is used for secret application, it is easy to thread.Traditional cable shaft is most
What number used is all constructed with bricks or concretes.
But it was verified that existing brick or concreting cable shaft be embedded in underground by slowly drained soil and steam,
Moisture immersion, soda acid salt corrosion easily corrosion spalling and lose waterproof ability, easily infiltration, poor durability, and intensity decreases, easily
Damage；Because cable distribution and cable shaft are set along both sides of the road, so such cable shaft has an effect on city once damaging
City's road traffic is unobstructed, is also unfavorable for the protection of groundwater resources.
And largely cause clay resource to waste using clay brick, environmental protection policy is not met, and with existing structure, check
During cable, it is necessary to brick is knocked out, then could be checked, had so not only been lost time but also work consuming, must be built again after then having overhauled
Brick, thus cause very big waste.Or in the structure using well lid closing cable shaft, the structural strength of well lid is again not
Foot, in-convenience in use.
The content of the invention
The main object of the present invention is to provide a kind of acid-fast alkali-proof, long-lived cable shaft.
The present invention concrete technical scheme be：The plastic cable well of reinforcement structure, it is characterised in that：Described cable shaft bag
Box-shaped well body is included, well body includes internal metal framework and the housing being arranged on outside metal framework, and described housing is plastics
Material, sets entrance hole, wire hole and manhole or hand hole on housing, and the inner and/or outer surface of housing is uniformly staggered reinforcement.
The cable shaft of the present invention uses outer plastic material, and inside sets the structure of metal framework, so acid-fast alkali-proof
Can very well, natural service life is more longlasting after being embedded to underground.This is Promethean in technical field of electric power construction.It is prior
It is that, in order to which this technical concept is successfully used, present invention also offers reliable technical scheme, solves to transport plastic material
Use many technical barriers of cable shaft：The structure of interior metal framework, exterior plastic cover, metal framework supporing shell, together
When surface of shell the reinforcement of interlaced arrangement be further ensured that the structural strength of housing.Such cable shaft structural strength can
Lean on, while the reinforcing rib structure on plastic casing and housing causes housing to have certain flexibility, can preferably absorb gentle
Punching vibrations and pressure.
So the cable shaft of the present invention compared with pipe of cement or the cable shaft brick with clay, has, drainage efficiency is high, resistance to
Acid, alkali, salt corrosion, it is adapted to a variety of geological conditions to use, earthquake resisting performance is strong, service life length；And can with Assembling or
Person's finished product directly lifts use, substantially reduces the completion time of project, especially can greatly reduce the shadow to road traffic in city
Ring；And the management after after installing is convenient, exempts to maintain；Construction cost is low, cost-effective, good economy performance.
The present invention devises the technical though that cable shaft is made using plastic material in a creative way, and has captured common modeling
Expect the technical barrier of material-structure intensity deficiency, the double action of metal framework, combined outside reinforcement is set using inside, into
Work(by by the technical industry of plastic production cable shaft, there is initiative, achieve great economic and social benefit.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the cable shaft of the present invention；
Fig. 2 is the upward view of cable shaft shown in Fig. 1；
Fig. 3 is the stereochemical structure sketch of metal framework；
Fig. 4 is the partial enlarged drawing in A portions in Fig. 1；
Fig. 5 is the partial enlarged drawing in the corner of metal framework；
Fig. 6 is the partial enlarged drawing in the corner of the metal framework of preferred embodiment.
Embodiment
The plastic cable well of reinforcement structure as shown in Figure 1,2,3, 4, cable shaft include box-shaped well body, improvement of the invention
It is that well body includes internal metal framework as shown in Figure 3 and the housing seen such as Fig. 1 being arranged on outside metal framework, institute
The housing stated is plastic material, and entrance hole 21, one end relative with entrance hole 21, that is, well body length direction are set on housing
The upper side relative with entrance hole 21 sets wire hole, and manhole 50 or hand hole are set on the upside of well body, and general large-scale well body is exactly
Manhole, small-sized well body are exactly hand hole.Housing outer surface is uniformly staggered reinforcement, and reinforcement is staggered and namely handed in length and breadth
Wrong or oblique interlocks, and so can preferably play a part of support and structural strengthening to housing；Such reinforcement also may be used
To be arranged on shell inner surface.Other assisted parts such as the attachment structure for being easy to threading or illumination can also be set in certain well body
Part.
Metal framework can be the overall injection molding as keel to enclosure interior or be embedded in the plastics of housing
Face, such user is easy to use.Can also be：Described housing is tightly connected by polylith plate body 20 and formed.Described adds
Strengthening tendons it is crisscross or it is oblique staggeredly, direction is namely arranged on well body surface along smooth vertical and horizontal direction in length and breadth, such as
It namely can be understood as being horizontal, being longitudinal direction along well body length direction along well body width shown in Fig. 1,2 combinations.Housing
It is tightly connected and is formed by polylith plate body 20, such size of plate body 20 can be smaller, is easy to process, and also allows for adding for metal framework
Work, part assemble at the scene, are readily transported, and also significantly reduce the difficulty of injection molding.
On shown in further preferred technical scheme combination Fig. 1,2,4 of housing：The described edge of plate body 20 is set
The margin plate 30 of tilting, uniform connecting hole 31, adjacent plate body 20 are connected with by connecting hole 31 on margin plate 30；Described
The connecting sewing 33 being connected between plate body 20 is located at well body corner part and well body middle part, and the connection of well body middle part
Seam 33 laterally and/or is vertically evenly arranged along well body.Margin plate 30 can be tilted and perpendicular to plate body 20, then same
The attachment structure of Flange-shaped Parts is formed between the plate body of plane；Combined in face with face, the plate body 20 of namely well body corner passes through
The right angle contiguous block 41 of one angle steel shape connects；Or it is angularly disposed positioned at the margin plate 30 of corner, that is, margin plate
30 plate face and the plate face angle of plate body 20 are acute angle, and then two adjacent margin plates 30, which are tightly connected, forms oblique connection
Seam 33, it can also realize being reliably connected between plate body 20.So form the margin plate 30 of plate stitch or right angle contiguous block 41 is similar to
Larger-sized reinforcement, it is not only easy to connect, and further structural strengthening effect, therefore, described company can be played
Seam 33 transversely and/or is longitudinally evenly arranged namely in well body middle part：With reference to the structural strengthening at the position of connecting sewing 33
Effect and the size of plate body 20 are reasonable while avoid the rationally setting of entrance hole 21, wire hole, manhole/hand hole.
Preferably：Described plate body 20 and reinforcement thereon, the shaping of the integral molded plastic of margin plate 30；Described reinforcement
The larger square column muscle 25 of sheet muscle 24 and thickness including thinner thickness, sheet muscle 24 be located at square column muscle 25 it
Between, both arrangements of direction in length and breadth perpendicular and along well body surface.Since sheet muscle 24 and square column muscle 25 are to be mutually perpendicular to
, then as shown in figure 1, also can be understood to one be lateral arrangement, one be to be vertically arranged, be easy to mold and plus
Work.Usual square column muscle 25 has more preferable structural strength, so being set along the longer board direction of length because size is thick
Put, rather than be necessarily arranged along the horizontal or vertical, also show square column muscle 25 as shown in Figure 1 at some positions of well body along horizontal stroke
It is vertically arranged to arrangement, some positions, as long as reliably reinforcement structure, its change setting more arranged directions can be increased
Reinforcement need not all pay creative work.Reinforcement is molded with the integral molded plastic of plate body 20 to process easily, certainly
The connected mode such as bonding or neck clamping can be used.
Shown in further preferred technical scheme combination Fig. 3,5,6 of metal framework：Described metal framework is by angle steel
10 are connected and composed, and inside corner part of the angle steel 10 along housing is set；It is located at three angle steel 10 on well body summit on metal framework
Y-shaped connecting portion 11 is formed by the way that connector is affixed, the Y-shaped opening 12 positioned at the Y-shaped connecting portion 11 on well body top is vertical
Upwards, positioned at well body bottom Y-shaped opening 12 straight down.The structural strength of angle steel 10 is high, while again light, and connection is also very square
Just, its junction can use welding, be spirally connected etc. kinds of schemes, not affect the realization of the object of the invention, therefore Fig. 3 only uses straight line
The simple profile for illustrating metal framework, that is, Y-shaped connecting portion 11 are located on 8 summits of metal framework.Such as Fig. 5 institutes
Show, Y-shaped connecting portion 11 can be affixed by least two drillings and bolt with two connection sheets, naturally it is also possible to be welding
, the direction of Y-shaped opening 12 is optimized by setting using such connecting portion simultaneously, its technology is exactly a little：Cable shaft
The underground either roadside of urban road to be generally embedded in, it is necessary to bear the pressure of vehicle etc., and it is often asymmetric, no
Uniform active force, such connecting portion can the active force is steady, dispersedly absorb, while again more dispersed be delivered to gold
Belong on the bottom angle steel 10 of framework and the bottom plate body 20 of housing, while Y-shaped connecting portion 11 also can preferably support vertical cloth
The angle steel 10 put, and the structure for directly contradicting well body summit relative to the angle steel 10 arranged vertically has certain flexibility,
Such scattered and with certain flexibility structure is significantly reduced and arranged vertically positioned at four of well body corner on metal framework
Angle steel 10 the risk that fractures.Make metal framework and housing durable in use.This technical concept is extremely ingenious, because for the ease of
Wiring, installation etc. are easy to operate, must ensure the area of space of housing cavity and not have the parts such as metal support, then form metal
The angle steel 10 of framework must be arranged along the corner inside well body, but be arranged so as to how about can reliably play the work of structural strengthening
With into technical barrier, the present invention successfully solves this problem by the structure of Y-shaped connecting portion 11.
Further, as shown in Figure 6：Described connector includes the connecting plate of two oblique " L " shapes, the long end plate of connecting plate
The projecting end 111 of body and the angle steel 10 of vertical direction be affixed, in connecting plate long header body by turning side 112 and horizontal angle steel
Corner part of 10 affixed, connecting plate the relatively short slab bodies 113 against the angle steel 10 laterally set.So the connecting plate of bottom can be more preferable
Active force is delivered on the angle steel 10 of bottom by ground, and the connecting plate on well body top more reliably can be also absorbed above well body
Active force, and reduce the destroyed wind direction of bolt, further improve service life.
Further it can also be：In the angle steel two-by-two 10 of the same side wall positioned at housing on described metal framework
Strengthen steel 10` short transverse of the length direction parallel or perpendicular to cable shaft by strengthening steel 10` connections in portion.Namely such as
Shown in Fig. 3, when well body size is larger, the plate face centre position of corresponding housing is also provided with angle steel or steel pipe on metal framework
Or the part of similar structures plays a part of strengthening metal framework and well body structural strength.So the structure of well body more firmly more may be used
Lean on.Adapt to the cable shaft of any occasion and dimensions.Improve the versatility of product.
Further, described perforate is located at the middle part of plate body 20, and reinforcement for openings circle, reinforcement for openings circle and plate are set in perforate
The integral molded plastic of body 20 is molded.That is entrance hole 21, wire hole, manhole, hand hole etc. are all located at the centre position of plate body 20, avoid
The partial structurtes of plate body 20 are damaged.Stiffening ring can be bonded in it is on plate body 20 or with the integrated injection of plate body 20
Type is moulded into, it is so easy to process.
Described manhole is located on the upside of well body, and cover plate 50 is set on manhole.So cover plate 50 can cover manhole, prevent rain
Water immerses, and opens the can of cover plate 50 and enters well body installation or overhaul, using very convenient.
Bottom centre position on the inside of described well body sets the catch pit 60 for being easy to draining.Accordingly even when because of plastic material
It is airtight to have a small amount of condensation vapor and also be back in the catch pit 60 of bottom notch, remove during easy access.Certainly, this
The catch pit 60 of sample can set multiple.
Claims (4)
- A kind of 1. metal framework for plastic cable well, it is characterised in that：Described metal framework connects structure by angle steel (10) Into inside corner part of the angle steel (10) along housing is set；Three angle steel (10) on metal framework positioned at well body summit pass through Connector is affixed to form Y-shaped connecting portion (11), and the Y-shaped opening (12) positioned at the Y-shaped connecting portion (11) on well body top is perpendicular It is straight upwards, positioned at well body bottom Y-shaped opening (12) straight down.
- A kind of 2. plastic cable well of reinforcement structure, it is characterised in that：Described cable shaft includes box-shaped well body, and well body includes interior The metal framework in portion and the housing being arranged on outside metal framework, described housing be plastic material, setting entrance hole on housing, Wire hole and manhole or hand hole, the inner and/or outer surface of housing are uniformly staggered reinforcement；Described housing is tightly connected by polylith plate body (20) and formed；The connecting sewing being connected between described plate body (20) is located at Well body corner part and well body middle part, and the connecting sewing of well body middle part laterally and/or is vertically evenly arranged along well body；Described metal framework is connected and composed by angle steel (10), and inside corner part of the angle steel (10) along housing is set；Metal frame Three angle steel (10) on frame positioned at well body summit form Y-shaped connecting portion (11) by the way that connector is affixed, positioned at well body top Y-shaped connecting portion (11) Y-shaped opening (12) straight up, positioned at well body bottom Y-shaped opening (12) straight down.
- 3. the plastic cable well of reinforcement structure according to claim 2, it is characterised in that：Described plate body (20) edge is set Put the margin plate (30) of tilting, uniform connecting hole (31), adjacent plate body (20) use spiral shell by connecting hole (31) on margin plate (30) Tether and connect；Described plate body (20) and reinforcement thereon, the shaping of margin plate (30) integral molded plastic；Described connector includes two The connecting plate of individual tiltedly " L " shape, the projecting end of the long header body of the connecting plate and angle steel (10) of vertical direction is affixed, length of connecting plate By turning side and horizontal angle steel (10) be affixed, relatively short slab body of connecting plate is against the angle steel (10) laterally set in header body Corner part.
- 4. the plastic cable well of reinforcement structure according to claim 2, it is characterised in that：Described reinforcement includes thickness Relatively thin sheet muscle (24) and the larger square column muscle (25) of thickness, sheet muscle (24) be located at square column muscle (25) it Between, both arrangements of direction in length and breadth perpendicular and along well body surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613656.0A CN104358276B (en) | 2012-02-28 | 2012-02-28 | The plastic cable well of reinforcement structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613656.0A CN104358276B (en) | 2012-02-28 | 2012-02-28 | The plastic cable well of reinforcement structure |
| CN201210046209.2A CN102587418B (en) | 2012-02-28 | 2012-02-28 | Plastic power cable well |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210046209.2A Division CN102587418B (en) | 2012-02-28 | 2012-02-28 | Plastic power cable well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358276A CN104358276A (en) | 2015-02-18 |
| CN104358276B true CN104358276B (en) | 2018-01-05 |
Family
ID=52525575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410613656.0A Expired - Fee Related CN104358276B (en) | 2012-02-28 | 2012-02-28 | The plastic cable well of reinforcement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358276B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW250517B (en) * | 1992-05-08 | 1995-07-01 | Quickcell Technology Pty Ltd | |
| JP2005030044A (en) * | 2003-07-11 | 2005-02-03 | Takiron Co Ltd | Hand hole |
| CN2879486Y (en) * | 2006-03-13 | 2007-03-14 | 许继集团有限公司 | Cable vertical bore |
| CN101265830A (en) * | 2007-03-17 | 2008-09-17 | 浪达科技（深圳）有限公司 | Heat pipe exchanger evaporator section shell structure utilizing diesel tail gas heat quantity |
| JP4709803B2 (en) * | 2007-05-22 | 2011-06-29 | カナフレックスコーポレーション株式会社 | Underground box |
| CN101385612A (en) * | 2007-09-11 | 2009-03-18 | 黄承义 | Steam cooking box |
| CN201512811U (en) * | 2009-05-18 | 2010-06-23 | 胡建军 | Module split mounting type inspection well |
| CN201943089U (en) * | 2010-12-24 | 2011-08-24 | 宋治中 | Load-bearing pressure-bearing combined type corrugated shaft |
| CN104404982B (en) * | 2012-02-28 | 2016-08-24 | 昆明普尔顿环保科技股份有限公司 | Acid and alkali resistance, the cable shaft of salt corrosion |
| CN202509524U (en) * | 2012-02-28 | 2012-10-31 | 昆明普尔顿管业有限公司 | Plastic power cable well |
-
2012
- 2012-02-28 CN CN201410613656.0A patent/CN104358276B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358276A (en) | 2015-02-18 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Plastic electric cable well with reinforced structure Effective date of registration: 20200313 Granted publication date: 20180105 Pledgee: Kunming Industrial Development and Investment Co.,Ltd. Pledgor: KUNMING PURETOWN ENVIRONMENTAL TECH Co.,Ltd. Registration number: Y2020530000006 |
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Granted publication date: 20180105 |
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