CN109372084A - A kind of inspection shaft - Google Patents
A kind of inspection shaft Download PDFInfo
- Publication number
- CN109372084A CN109372084A CN201811515634.5A CN201811515634A CN109372084A CN 109372084 A CN109372084 A CN 109372084A CN 201811515634 A CN201811515634 A CN 201811515634A CN 109372084 A CN109372084 A CN 109372084A
- Authority
- CN
- China
- Prior art keywords
- pit shaft
- well bore
- ontology
- pit
- inspection
- 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.)
- Pending
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 210000003205 muscle Anatomy 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 6
- 239000003351 stiffener Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000003712 anti-aging effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/027—The bottom made of prefabricated segments
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a kind of inspection shafts, including the well bore with tubular structure and it is connected on well bore, well head and pedestal in lower two-port, well head, well bore is communicated with base intracavity, well bore includes several pit shafts mutually spliced, each pit shaft includes pit shaft ontology, marking time in the inner cavity of pit shaft ontology, mark time is to be recessed inwardly to be formed by the lateral wall of well bore, marking time, there have to be multiple, multiple mark time intersects, interval is distributed on the inner sidewall of well bore, it marks time including horizontally disposed tyre tread, the arc support being supported below tyre tread and the anti-skidding muscle between tyre tread and support portion, anti-skidding muscle is formed after being folded upward at by the junction of tyre tread and support portion, it marks time and is arranged with this body by integral forming of pit shaft, clamping portion is additionally provided on pit shaft, for two adjacent pit shafts to be connected together.Inspection shaft of the invention, low manufacture cost, transport, easy to assembly, intensity height are practical, pass in and out inspection shaft convenient for operator.
Description
Technical field
The present invention relates to assembling pipe joints, and in particular to a kind of inspection shaft.
Background technique
Inspection shaft is the auxiliary construction that one in urban drainage system is basic, crucial, is mainly set to drainage ditch
At direction turning point, sewer gradient change, pipe duct section, basis, at interface change, pipe duct intersection, on straight line pipe duct
At a certain distance and special purpose (such as drop, retention, overflow etc.), for realizing the company between sewer
It connects, pipe duct is facilitated to overhaul.In general, inspection shaft is by shaft bottom seat, pit shaft, closing in centrum, well lid or protection cage and inspection shaft accessory
Composition.Inspection shaft in the prior art generallys use brick concrete inspection well, is primarily present following defect: intensity first
Low, the support strength of brickwork construction is low, and especially the brickwork construction variable diameter necking part close to road surface is easily collapsed because active force impacts
It falls into；Secondly well body long construction period, construction is complicated, due to must manual scene pile up, civil engineering is required high, standardizes, is general
Change, seriation degree are poor, and use well body made of plastic material, solve the above problem, and in order to facilitate the operation of under personnel
Inspection shaft is checked, ladder is usually arranged in well body, and time-consuming for ladder production, and makes the inner space of well bore significantly
It reduces, it is timid and hesitant during operator's climbing, it is unfavorable for operator's work.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of inspection shaft, structure is simple, is conducive to operate
Personnel inspection, structural strength are high, easy to transportation and installation.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of inspection shaft, including the well with tubular structure
Body and the well head and pedestal being connected on the well bore upper/lower terminal mouth, the well head, the well bore and the pedestal
Inner cavity communicates, and the well bore includes several pit shafts mutually spliced, and each pit shaft includes pit shaft ontology, is set to the well
Cylinder ontology inner cavity in marking time, described mark time is to be recessed inwardly to be formed by the lateral wall of the well bore, it is described mark time have it is multiple,
It is multiple it is described mark time intersect, being distributed on the inner sidewall of the well bore of being spaced, described mark time is stepped on including horizontally disposed
Face, the arc support being supported below the tyre tread and the anti-skidding muscle between the tyre tread and the support portion, it is described
Anti-skidding muscle is formed after being folded upward at by the junction of the tyre tread and the support portion, described to mark time and the pit shaft ontology
It is integrally formed setting, is additionally provided with clamping portion on the pit shaft, for two adjacent pit shafts to be connected together, the card
Socket part includes the insertion section in the upper port of the pit shaft, the annular snap on the lower port inner sidewall of the pit shaft
Slot, the insertion section are matched with the card slot shape, size.
Preferably, the pit shaft further includes several first reinforcing ribs being set on the inner sidewall of the pit shaft ontology, is set to
Several second reinforcing ribs on the lateral wall of the pit shaft ontology.
It is further preferred that first reinforcing rib includes on the inner sidewall of the pit shaft ontology, along the pit shaft
Strip reinforcing rib that the axial direction of ontology extends and on the inner sidewall of the pit shaft ontology, with the pit shaft ontology
The ring stiffener of coaxial inner conductor setting.
It is further preferred that second reinforcing rib includes on the lateral wall of the pit shaft ontology, along the pit shaft
Strip reinforcing rib that the axial direction of ontology extends and on the lateral wall of the pit shaft ontology, with the pit shaft ontology
The ring stiffener of coaxial inner conductor setting.
Preferably, the pedestal of the inspection shaft include include bottom end closure base body and be set to the pedestal
On all side walls of ontology, four by-pass connections facing each other, the inner cavity phase of all by-pass connections and the base body
Logical, the upper end aperture of the base body is arranged between the bottom end of the base body and the lower end surface of the by-pass connection
Have deposit cavity, the insertion section also be provided on the upper end of the base body, for the pit shaft on well bore bottom
Lower port on the card slot be mutually fitted close, each by-pass connection and the junction of the inner cavity of the base body are set
Blocking part is equipped with to keep out in the insertion end of the bypass pipe when blocking part is used for bypass pipe grafting.
It is further preferred that the blocking part is in semicircular arc, the blocking part by the by-pass connection, close to described
The inward-facing recess formation of the side wall lower ends of base body side.
Preferably, the well head of the inspection shaft includes the wellhead body with hollow cavity, the wellhead body
Described mark time also is provided in inner cavity.
It is further preferred that the wellhead body includes the cylindrical portion set gradually along the vertical direction and flare, institute's loudspeaker
Portion is located on the cylindrical portion lower end, gradually opens from top to bottom, and the well head passes through the flare and the well bore
It is connected.
Preferably, the pit shaft ontology is three-decker, is followed successively by anticorrosive PTFE layer from inside to outside, polyurethane is protected
Warm layer and polyethylene anti-aging layer.
It is further preferred that the well head, the pedestal are made with the pit shaft ontology with material.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages: inspection of the invention
Well, well bore use multiple pit shafts mutually spliced, so that transport becomes simple with installation process, and set in pit shaft ontology
It sets and marks time, be conducive to operator's climbing, while anti-skidding muscle is set, not only prevents operator and occurs to beat during climbing
Sliding phenomenon occurs, while also acting as the effect of handgrip, and the tread structure is simple, examines convenient for inspection shaft under operator
It looks into, while clamping portion is set in pit shaft ontology, be beneficial to prevent after splicing between pit shaft, the feelings leaked between adjacent pit shaft
Condition.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of inspection shaft of the present invention；
Attached drawing 2 is the structural schematic diagram of pit shaft in inspection shaft of the present invention；
Attached drawing 3 is the structural schematic diagram of well head in inspection shaft of the present invention；
Attached drawing 4 is the structural schematic diagram of pedestal in inspection shaft of the present invention；
Wherein: 1, well head；2, well bore；3, pedestal；4, ring flange；5, lifting lug；
10, wellhead body；101, cylindrical portion；102, flare；20, pit shaft ontology；21, it marks time；22, insertion section；23, first adds
Strengthening tendons；24, the second reinforcing rib；30, base body；31, by-pass connection；32, blocking part；33, deposit cavity.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated technical solution of the present invention.
A kind of inspection shaft including the well bore 2 with tubular structure and is connected on 2 upper/lower terminal mouth of well bore
Well head 1 and pedestal 3, the well head 1, well bore 2 are communicated with 3 inner cavity of pedestal, shown in Figure 1.
Here, which includes several pit shafts mutually spliced.Each pit shaft includes pit shaft ontology 20, is set to pit shaft
21 are marked time in the inner cavity of ontology 20, and shown in Figure 2, it 21 is to be recessed inwardly to be formed by the lateral wall of well bore 2 that this, which is marked time, is marked time
21 have it is multiple, it is multiple mark time 21 intersect, being distributed on the inner sidewall of well bore 2 of being spaced, marking time 21 includes horizontally disposed
Tyre tread, the arc support being supported below tyre tread and the anti-skidding muscle (not shown) between tyre tread and support portion, should
Anti-skidding muscle is formed after being folded upward at by the junction of tyre tread and support portion, mark time 21 with pit shaft ontology 20 integrated molding set
It sets.Here, it is additionally provided with clamping portion on the pit shaft, for two adjacent pit shafts to be connected together, which includes being set to
Insertion section 22 in the upper port of pit shaft, the annular slot (not shown) on the lower port inner sidewall of pit shaft, insertion
Portion 22 is matched with card slot shape, size.
Here, by the way that well bore 2 to be arranged to mutually be spliced by multiple pit shafts, the transport and peace of inspection shaft have been convenient for it
Dress.And setting marks time 21 in pit shaft ontology 20, be conducive to operator climbs in inspection shaft, and the setting on 21 of marking time is anti-
Sliding muscle, having not only acted as prevents operator during climbing there is a phenomenon where skidding, while also acting as the effect of handgrip.?
The clamping portion being mutually clamped is set on pit shaft, so that after 2 assembly of well bore, the feelings that will not be leaked between two adjacent pit shafts
Condition.
In this example, which further includes several first reinforcing ribs 23 being set on the inner sidewall of pit shaft ontology 20, is set to well
Several second reinforcing ribs 24 on the lateral wall of cylinder ontology 20, it is shown in Figure 2.First reinforcing rib 23 includes being set to pit shaft sheet
Strip reinforcing rib that axial direction on the inner sidewall of body 20, along pit shaft ontology 20 extends and in pit shaft ontology 20
Ring stiffener on side wall, with the setting of 20 coaxial inner conductor of pit shaft ontology.Second reinforcing rib 24 includes being set to pit shaft ontology 20
Lateral wall on, along pit shaft ontology 20 axial direction extend strip reinforcing rib and set on the lateral wall of pit shaft ontology 20
Ring stiffener upper, with the setting of 20 coaxial inner conductor of pit shaft ontology.By the way that above-mentioned reinforcing rib is arranged, the intensity of pit shaft is improved.
In this example, the pedestal 3 of the inspection shaft include include bottom end closure base body 30 and be set to base body 30
All side walls on, four by-pass connections 31 facing each other, shown in Figure 4, all by-pass connections 31 are in sealing design.Institute
There are by-pass connection 31 and the inner cavity of base body 30 to communicate, the upper end aperture of base body 30, the bottom end of base body 30
Deposit cavity 33 is provided between the lower end surface of by-pass connection 31, it is shown in Figure 4, it also is provided with inserting on the upper end of base body 30
Enter portion 22, for being mutually fitted close with the card slot in the lower port of the pit shaft on 2 bottom of well bore, each by-pass connection 31 and bottom
The junction of the inner cavity of seat ontology 30 is provided with blocking part 32, shown in Figure 4, when blocking part 32 is used for bypass pipe grafting, supports
Gear is in the insertion end of bypass pipe.
By the way that four by-pass connections 31 are arranged, operator can carry out aperture to by-pass connection 31 according to actual needs to connect
Connect bypass pipe.And deposit cavity 33 is set on the bottom end of base body 30 and is facilitated while ensuring not silting bypass pipe
Operator carries out dredging to deposit cavity 33.
In this example, by the way that blocking part 32 is arranged, so that keeping out in the insertion end of bypass pipe, having in grafting bypass pipe
It is effectively fixed conducive to being carried out to bypass pipe.Specifically, the blocking part 32 is in semicircular arc, the blocking part 32 is by by-pass connection 31
The inward-facing recess formation of side wall lower ends upper, close to 30 side of base body.
In this example, it is not less than pedestal sheet to the pipe wall thickness between blocking part 32 from insertion end port on the by-pass connection 31
1.5 times of the side wall wall thickness of body 30.By thickening the thickness of by-pass connection 31, so that the by-pass connection 31 is in grafting bypass pipe
When, it can be ensured that the installation strength of by-pass connection 31.
Here, ring flange 4 is equipped on the well head of inspection shaft 1, pit shaft, pedestal 3, it is shown in Figure 1, it is used for adjacent two
Installation between a component.Lifting lug 5 is additionally provided on the lateral wall of well head 1, referring to shown in Fig. 1,3, for lifting, in order to enhance well
Mouthful 1 intensity also has equipped with reinforcing rib on the inner sidewall and lateral wall of the well head 1.
In this example, the well head 1 of the inspection shaft includes the wellhead body 10 with hollow cavity, shown in Figure 3, well head sheet
It also is provided with marking time 21 in the inner cavity of body 10.21 are marked time by setting, allow the operator to facilitate disengaging well head 1.
The wellhead body 10 includes the cylindrical portion 101 set gradually along the vertical direction and flare 102, shown in Figure 3,
Institute's flare 102 is located on 101 lower end of cylindrical portion, gradually opens from top to bottom, and well head 1 passes through flare 102 and 2 phase of well bore
Even.By the way that the wellhead body 10 is divided into cylindrical portion 101 and flare 102, the production raw material of well head 1 is not only reduced, is passed through
Flare 102 is set, the lower end of cylindrical portion 101 can smoothly be extended into and be connected to each other with well bore 2, improve the peace of well head 1
Fill intensity.
In this example, which is three-decker, is followed successively by anticorrosive PTFE layer from inside to outside, polyurethane is protected
Warm layer and polyethylene anti-aging layer.The well head 1, pedestal 3 and pit shaft ontology 20 are made with material.By using above-mentioned material system
At well bore 2, well head 1 and pedestal 3, so that the intensity of the inspection shaft is high, good corrosion resistance.
Inspection shaft of the invention, low manufacture cost, transport, easy to assembly, intensity height are practical, are convenient for operator
Pass in and out inspection shaft.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of inspection shaft including the well bore with tubular structure and is connected on the well bore upper/lower terminal mouth
Well head and pedestal, the well head, the well bore are communicated with the base intracavity, which is characterized in that the well bore includes several phases
The pit shaft mutually spliced, each pit shaft include pit shaft ontology, marking time in the inner cavity of the pit shaft ontology, described to step on
Step is to be recessed inwardly to be formed by the lateral wall of the well bore, and described mark time has multiple, and multiple described mark time intersect, are spaced
It is distributed on the inner sidewall of the well bore, it is described to mark time including horizontally disposed tyre tread, the arc being supported below the tyre tread
Support portion and the anti-skidding muscle between the tyre tread and the support portion, the anti-skidding muscle are by the tyre tread and the support
What the junction in portion was formed after being folded upward at, described mark time is arranged with described this body by integral forming of pit shaft, also sets on the pit shaft
There is clamping portion, for two adjacent pit shafts to be connected together, the clamping portion includes set on the upper end of the pit shaft
Insertion section on mouth, the annular slot on the lower port inner sidewall of the pit shaft, the insertion section and the card slot shape,
Size matches.
2. inspection shaft according to claim 1, which is characterized in that the pit shaft further includes set on the interior of the pit shaft ontology
Several first reinforcing ribs on side wall, several second reinforcing ribs on the lateral wall of the pit shaft ontology.
3. inspection shaft according to claim 2, which is characterized in that first reinforcing rib includes being set to the pit shaft ontology
Inner sidewall on, along the pit shaft ontology axial direction extend strip reinforcing rib and in the pit shaft ontology
Ring stiffener on side wall, with pit shaft ontology coaxial inner conductor setting.
4. inspection shaft according to claim 2, which is characterized in that second reinforcing rib includes being set to the pit shaft ontology
Lateral wall on, along the strip reinforcing rib that extends of axial direction of the pit shaft ontology and set on the outer of the pit shaft ontology
Ring stiffener on side wall, with pit shaft ontology coaxial inner conductor setting.
5. inspection shaft according to claim 1, which is characterized in that the pedestal of the inspection shaft includes sealing including bottom end
The base body that closes and on all side walls of the base body, four by-pass connections facing each other, all sides
Pass joint is communicated with the inner cavity of the base body, the upper end aperture of the base body, the bottom end of the base body
It is provided with deposit cavity between the lower end surface of the by-pass connection, the insertion section also is provided on the upper end of the base body,
For being mutually fitted close with the card slot in the lower port of the pit shaft on well bore bottom, each by-pass connection with
The junction of the inner cavity of the base body is provided with blocking part and keeps out when the blocking part is used for bypass pipe grafting described
In the insertion end of bypass pipe.
6. inspection shaft according to claim 5, which is characterized in that the blocking part be in semicircular arc, the blocking part by
The inward-facing recess formation of side wall lower ends on the by-pass connection, close to the base body side.
7. inspection shaft according to claim 1, which is characterized in that the well head of the inspection shaft includes having in hollow
The wellhead body of chamber also is provided with described mark time in the inner cavity of the wellhead body.
8. inspection shaft according to claim 7, which is characterized in that the wellhead body includes setting gradually along the vertical direction
Cylindrical portion and flare, institute's flare be located on the cylindrical portion lower end, gradually open from top to bottom, the well head passes through
The flare is connected with the well bore.
9. inspection shaft according to claim 1, which is characterized in that the pit shaft ontology be three-decker, from inside to outside according to
Secondary is anticorrosive PTFE layer, polyurethane insulation coating and polyethylene anti-aging layer.
10. inspection shaft according to claim 9, which is characterized in that the well head, the pedestal and the pit shaft ontology are same
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515634.5A CN109372084A (en) | 2018-12-12 | 2018-12-12 | A kind of inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515634.5A CN109372084A (en) | 2018-12-12 | 2018-12-12 | A kind of inspection shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372084A true CN109372084A (en) | 2019-02-22 |
Family
ID=65373411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515634.5A Pending CN109372084A (en) | 2018-12-12 | 2018-12-12 | A kind of inspection shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372084A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202157341U (en) * | 2011-07-25 | 2012-03-07 | 四川亚塑新材料有限公司 | Enhanced reinforcing rib plastic inspection well |
| CN202831186U (en) * | 2012-07-20 | 2013-03-27 | 陈明强 | High-strength plastic inspection well |
| CN103266627A (en) * | 2013-04-27 | 2013-08-28 | 宁夏大林科技有限公司 | Manhole |
| CN203569591U (en) * | 2013-09-18 | 2014-04-30 | 广东联塑科技实业有限公司 | Assembled plastic inspection well |
| CN204282402U (en) * | 2014-11-21 | 2015-04-22 | 宏升塑胶（杭州）有限公司 | A kind of manhole well seat |
| CN204849829U (en) * | 2015-06-30 | 2015-12-09 | 宁波欧陆管道实业有限公司 | Inspection shaft |
| CN204850006U (en) * | 2015-06-30 | 2015-12-09 | 宁波欧陆管道实业有限公司 | Inspection shaft |
| CN204898831U (en) * | 2015-07-07 | 2015-12-23 | 湖南易净环保科技有限公司 | Novel plastic check well |
| CN205046582U (en) * | 2015-09-29 | 2016-02-24 | 临沂东立塑胶建材有限公司 | PE skinning foaming rotational moulding inspection shaft |
| CN106245681A (en) * | 2016-08-25 | 2016-12-21 | 中国十七冶集团有限公司 | A kind of highstrenghtpiston's inspection shaft barrel structure |
| CN106677318A (en) * | 2016-12-23 | 2017-05-17 | 中国铁道科学研究院铁道建筑研究所 | Prefabricated inspection well |
| CN206752632U (en) * | 2017-05-02 | 2017-12-15 | 广东中科华冉智网科技有限公司 | Plastic reinforcing steel composite construction municipal drainage inspection shaft |
| CN209277266U (en) * | 2018-12-12 | 2019-08-20 | 江苏通全球工程管业有限公司 | A kind of inspection shaft |
-
2018
- 2018-12-12 CN CN201811515634.5A patent/CN109372084A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202157341U (en) * | 2011-07-25 | 2012-03-07 | 四川亚塑新材料有限公司 | Enhanced reinforcing rib plastic inspection well |
| CN202831186U (en) * | 2012-07-20 | 2013-03-27 | 陈明强 | High-strength plastic inspection well |
| CN103266627A (en) * | 2013-04-27 | 2013-08-28 | 宁夏大林科技有限公司 | Manhole |
| CN203569591U (en) * | 2013-09-18 | 2014-04-30 | 广东联塑科技实业有限公司 | Assembled plastic inspection well |
| CN204282402U (en) * | 2014-11-21 | 2015-04-22 | 宏升塑胶（杭州）有限公司 | A kind of manhole well seat |
| CN204849829U (en) * | 2015-06-30 | 2015-12-09 | 宁波欧陆管道实业有限公司 | Inspection shaft |
| CN204850006U (en) * | 2015-06-30 | 2015-12-09 | 宁波欧陆管道实业有限公司 | Inspection shaft |
| CN204898831U (en) * | 2015-07-07 | 2015-12-23 | 湖南易净环保科技有限公司 | Novel plastic check well |
| CN205046582U (en) * | 2015-09-29 | 2016-02-24 | 临沂东立塑胶建材有限公司 | PE skinning foaming rotational moulding inspection shaft |
| CN106245681A (en) * | 2016-08-25 | 2016-12-21 | 中国十七冶集团有限公司 | A kind of highstrenghtpiston's inspection shaft barrel structure |
| CN106677318A (en) * | 2016-12-23 | 2017-05-17 | 中国铁道科学研究院铁道建筑研究所 | Prefabricated inspection well |
| CN206752632U (en) * | 2017-05-02 | 2017-12-15 | 广东中科华冉智网科技有限公司 | Plastic reinforcing steel composite construction municipal drainage inspection shaft |
| CN209277266U (en) * | 2018-12-12 | 2019-08-20 | 江苏通全球工程管业有限公司 | A kind of inspection shaft |
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