CN109245013A - Detection line extraction device of underground pipe network - Google Patents
Detection line extraction device of underground pipe network Download PDFInfo
- Publication number
- CN109245013A CN109245013A CN201811397836.4A CN201811397836A CN109245013A CN 109245013 A CN109245013 A CN 109245013A CN 201811397836 A CN201811397836 A CN 201811397836A CN 109245013 A CN109245013 A CN 109245013A
- Authority
- CN
- China
- Prior art keywords
- cover
- pedestal
- detection line
- pipe network
- underground pipe
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000000605 extraction Methods 0.000 title description 3
- 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 description 79
- 239000003550 marker Substances 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
- H02G9/065—Longitudinally split tubes or conduits therefor
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a detection line leading-out device of an underground pipe network, which comprises a base and a face cover covered on the base, wherein a face cover hole is formed in the face cover so as to be convenient for opening the face cover, the base comprises a base upper wall, a base lower wall and a reinforcing skirt edge which is arranged between the base upper wall and the base lower wall and arranged along the outer side circumference of the base, an opening is formed in the base, a covering structure is arranged between the face cover and the base so as to cover the opening, and a binding post is arranged at the bottom of the face cover and used for connecting an underground detection line and a sacrificial anode line. The detection line leading-out device of the underground pipe network can be independently used as a detection well and can be combined with a common mark pile for use, the manufacturing cost is low, the detection is convenient, meanwhile, the device is very suitable for leading-out of the line head of the detection line of the underground pipe network, sufficient detection line heads are reserved for meeting the detection, the pipeline calibration is determined, and the construction accidents are reduced.
Description
[technical field]
The present invention relates to underground pipe network detection technique field, the detection line ejector of especially a kind of underground pipe network.
[background technique]
In recent years because easy for construction, and the advantages such as small, project cost is low are polluted to conveying substance, plastic conduit is at home
It is widely used in lower pipeline network construction, it is especially most widely used in the pipeline of delivery of fuel gas and tap water.Again because of plastics
The non-conductive, non-magnetic of pipeline, the intensity feature low compared with metal tube, for the detection and protection of buried pipe network, in roughing-in
When be embedded to detection line simultaneously on it, detect pipeline location using the conductive characteristic for generating electromagnetic field of detection line.And these
Cable is constantly in buried state, and how to be drawn out to ground to apply electric signal to carry out detection from underground is a technical problem.
Meanwhile if, as delivery vehicles, generally using metallic conduit without using plastic conduit.Metallic conduit exists
In buried state, the method for sacrificial anode must be used in order to reduce galvano-cautery then.Sacrificial anode similarly exists from underground pipe
The needs for drawing several cables from underground in net.
Currently, it is to build valve well that detection line, which draws main method, and but only detection line operation and detection function, ad hoc one
A inspection shaft, economic investment is larger, and cost is needed at 2,000 yuan or more.
And the main method that sacrificial anode electric wire is drawn at present is to add dedicated test stake.But the end of a thread of only sacrificial anode
Operation and detection function, equally too big using the way investment of dedicated test stake economy, secondly dedicated test stake can only meet soft
The case where base road surface, construction is carried out on cement pavement cannot achieve.
The present invention is drawn aiming at the sacrificial anode line of detection line and metallic network of pipelines in plastic tube network from underground, by kiln
Well device and detection stake device are combined into one.
[summary of the invention]
It, and can be with common marker peg knot the technical problem to be solved in the present invention is to provide can either be separately as detecting shaft
A kind of detection line ejector of the underground pipe network used is closed, manufacturing cost is low and convenient for detection, while it is highly suitable for
The extraction of underground pipe network detection line the end of a thread uses, and while providing the detection the end of a thread satisfaction detection for reserving abundance, specifies pipeline
Calibration, reduces construction accident.
The object of the present invention is achieved like this:
A kind of detection line ejector of underground pipe network closes cover on the base, the face including pedestal and lid
It covers and is equipped with cover hole to be easy to open the cover, the pedestal includes base upper wall, pedestal lower wall and is set to the pedestal
Between upper wall and pedestal lower wall and along the reinforcement skirt of the external circumferential of pedestal setting, the pedestal is equipped with opening, institute
State and be equipped with covering structure between cover and the pedestal to close the vent cover, the bottom of the cover be equipped with binding post with
In connection underground detection line and sacrificial anode line.
Using the above structure, structure is simple by the present invention, and manufacturing cost is low, can either be separately as detecting shaft, and can
It combines use with common marker peg.When cooperation marker peg is in use, pedestal lower wall passes through pedestal as connector, by pedestal
For lower wall on marker peg, pedestal lower wall realizes the connection with pile body by rivet or adhesive, makes original common marker peg
As dedicated detection stake；When separately as detecting shaft, directly on the ground by pedestal kind, pedestal lower wall is as the borehole wall, periphery
Placing concrete is sent out when thus preventing it separately as detecting shaft use because the external circumferential of pedestal, which is equipped with, reinforces skirt
Raw sedimentation.Subsurface investigation line and sacrificial anode line pass through the opening of pedestal and are connected with binding post, therefore binding post is as ground
The connection bridge of test survey line and sacrificial anode line and detecting instrument is checked with facilitating, and cover passes through covering structure and pedestal
Mutually clamping matching directly opens cover progress by cover hole, operation is very easy when needing to check.
A kind of detection line ejector of underground pipe network as described above, the bottom of the pedestal lower wall is circumferentially arranged with wedge
Shape buckle structure is so that it can be detachably connected with marker peg, so that original common marker peg becomes dedicated detection stake,
And achieve the purpose that increase detection well using original marker peg, detection density is improved, dedicated well setting is reduced, reduces cost.
The external form of a kind of detection line ejector of underground pipe network as described above, the pedestal and the cover is rounded
Shape or quadrilateral shape, no matter but use round or quadrangle, effect to be the same, be able to achieve function of the invention
Energy.
A kind of detection line ejector of underground pipe network as described above, the covering structure includes that can mutually cover the convex of conjunction
Platform structure and groove structure, the boss structure and groove structure are respectively arranged on the cover bottom and the base upper wall top
Portion, so that cover can mutually cover conjunction with pedestal.
A kind of detection line ejector of underground pipe network as described above, the bottom of the base upper wall is equipped with opens along described
Mouthful circumferential edge setting flange connector, the boss structure include set on the cover bottom and respectively with the pedestal
Upper wall and flange connector lid close matched cover board and connection boss.The base upper wall that cover passes through cover board and connection boss and pedestal
Matching is mutually clamped with flange connector and conjunction can be covered by mostly different installation directions on pedestal.
A kind of detection line ejector of underground pipe network as described above, the groove structure include being set on the pedestal
Installation groove on wall and flange connector is correspondingly respectively equipped with and the installation groove phase on the cover board and connection boss
It is clamped matched first connection bump and the second connection bump, passes through installation groove and the first connection bump and the second connection bump
Clamping matching so that cover and pedestal can steadily be connected together according to multiple and different installation directions.
The two sides of a kind of detection line ejector of underground pipe network as described above, the cover board are equipped with cover board screw hole, phase
Ying Di, the base upper wall is equipped with boss screw hole that the cover board screw hole matches so that the opposite bottom of the cover
Seat tool has different installation directions, and the boss screw hole is set in the installation groove in the base upper wall, the cover board screw hole
Through first connection bump, cover is mutually clamped by the base upper wall and flange connector of cover board and connection boss and pedestal
Match and conjunction can be covered by multiple and different installation directions on pedestal and screw is unloaded when needing to check by screw solid lock
It directly opens cover afterwards to carry out, operation is very easy.
A kind of detection line ejector of underground pipe network as described above, second connection bump are set in crosswise
To enhance the intensity of cover on the connection boss, while it can ensure that cover and pedestal have multiple and different installation directions.
A kind of detection line ejector of underground pipe network as described above, the bottom of the cover are equipped with guy hook to be used for
Protection is fixed in test survey line and sacrificial anode line over the ground.
In conclusion the present invention substantially has two kinds of following specific embodiments:
1. being inserted into marker peg as marker peg top cover, original common marker peg is made to become dedicated test stake.It will test line
Or sacrificial anode is wired on connecting terminal, is opened detection stake top lid with screwdriver when use, is screwed back after being completed.
2. being used as road surface manhole, directly by the detection stake of completion either this ejector ontology, direct kind is on the ground,
And in periphery placing concrete.It will test line and sacrificial anode be wired on connecting terminal, when use is opened with screwdriver
This well lid screws back after being completed.
A kind of detection line ejector of underground pipe network through the invention solves underground extraction detection line and does position inspection
The problem of survey, detects well as detection stake or individually using original marker peg, has unified soft, hard pavement ejector,
Reduce the special setting with detection well, greatly save production cost, while being conducive to increase the distribution density of detection well, from
And it is better, more accurately, more careful ground-to-ground down tube net implements protection, and it is suitble to large-scale promotion application.
When cooperation marker peg in use, pedestal lower wall is as connector, by pedestal through pedestal lower wall on marker peg,
Pedestal lower wall realizes the connection with pile body by rivet or adhesive, and original common marker peg is made to become dedicated detection stake.
When separately as detecting shaft, directly on the ground by pedestal kind, pedestal lower wall pours coagulation as the borehole wall, periphery
Soil settles when thus preventing it separately as detecting shaft use because the external circumferential of pedestal, which is equipped with, reinforces skirt.Bottom
The pile body of seat connection can form the borehole wall, reduce the expense of individually building kiln well.
Subsurface investigation line and sacrificial anode line pass through the opening of pedestal and are connected with binding post, therefore binding post is as ground
The connection bridge of test survey line and sacrificial anode line and detecting instrument is checked with facilitating, and cover passes through covering structure and pedestal
Mutually clamping matching directly opens cover progress by cover hole, operation is very easy when needing to check.
This ejector can and achieve the purpose that increase using original marker peg detects well, and likewise, by marker peg
As kiln well in use, dedicated well setting can be largely reduced and reduce cost, detection density is improved.
When this ejector is separately as detecting shaft, due to needing to consider pressure-bearing property of the invention, need in cover board
Bottom is provided with reinforcing rib or reinforces face, to increase the mechanical strength of supported capping or reduce the cost of manufacture of material.Accordingly
, the shape contact position in reinforcing rib set by the shape of base upper wall and capping bottom or face, which is formed, to be cooperated.
As what is preferentially selected, reinforcing rib or reinforcement face shape are convex inner cross shape, and cross extends to capping end,
And in 2 screw hole locations of capping end position setting, correspondingly, corresponding concave station and 4 screw hole locations are arranged in base upper wall.This
When, capping and reinforcing rib or face can do the rotation of two X-axis or Y direction, and fixed to reach using self-tapping screw along pedestal
Cover the purpose closed.
It is noted that the scheme in reinforcing rib or face plays the mechanical strength for improving capping and provides binding post cushion cap
No matter effect, the reinforcing rib or face use any shape, and effect is the same, and is able to achieve function of the invention.
The bottom in reinforcing rib as described above or face is connect with binding post, and binding post and detection line or sacrificial anode line connect
It connects.
Binding post is set in reinforcing rib or face, and the quantity of binding post is at least one.Binding post and detection line or sacrifice
It, can be conveniently by the detection line inside marker peg pile body or inside kiln well once when capping is opened when anode line connects
Or sacrificial anode tape comes out, to complete the detection of wire body.
As what is preferentially selected, guy hook can be set in the lower section in binding post side or reinforcing rib or face, guy hook passes through letter
Easy mode will test line or sacrificial anode line carries out bundled fixed, can effectively prevent the detection line when opening cover or sacrifice sun
Polar curve is detached from binding post, falls inside pile body or kiln well, improves the safety convenient of operation.
As what is preferentially selected, in the continuous conductor of detection line or sacrificial anode line, increases terminals of connecting wire, can play
Protection and safety effect to wire body.When this ejector is destroyed, the wire body breaking point inside pile body or kiln well is to connect
Line terminals.To not influence underground pipe network detection line or sacrificial anode line is not artificially pulled out, its buried wire rod ensure that
Continuity.
It is noted that either not affecting we whether there is or not setting guy hook or terminals of connecting wire, or the quantity of setting
The implementation of case, should all be within the protection scope of the utility model.
[Detailed description of the invention]
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is decomposition texture schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of pedestal of the present invention；
Fig. 3 is the structural schematic diagram of cover of the present invention；
Fig. 4 is that cover of the present invention is covered on the structural schematic diagram on the pedestal；
Fig. 5 is decomposition texture schematic diagram when present invention cooperation marker peg uses, wherein 10 be marker peg pile body；
Use state when Fig. 6 is present invention cooperation marker peg use is with reference to figure, wherein 10 be marker peg pile body；
Fig. 7 is use state of the present invention using ground as support and when using separately as detecting shaft with reference to figure, wherein
100 be ground；
When Fig. 8 is that reinforcement skirt of the present invention is in quadrilateral shape using different structure and the external form of the pedestal and cover
Decomposition texture schematic diagram；
Fig. 9 be it is of the present invention reinforcement skirt use different structure and the external form of the pedestal and cover in rounded shape when
Decomposition texture schematic diagram；
Figure 10 is reinforcement skirt of the present invention using different structure and the external form of the pedestal and cover is in quadrilateral shape
When use state with reference to figure；
When Figure 11 is that reinforcement skirt of the present invention uses different structure and the external form of the pedestal and cover in rounded shape
Use state with reference to figure.
[specific embodiment]
A kind of detection line ejector of underground pipe network including pedestal 1 and covers the cover 2 closed on pedestal 1, on cover 2
Equipped with cover hole 212 to be easy to open cover 2, pedestal 1 is including base upper wall 13, pedestal lower wall 12 and is set to 13 and of base upper wall
Between pedestal lower wall 12 and along the reinforcement skirt 16 of the external circumferential of pedestal 1 setting, pedestal 1 is equipped with opening 11, cover 2 and bottom
It is equipped with covering structure between seat 1 and is closed with 11 lids that will be open, the bottom of cover 2 is equipped with binding post 3 for connecting underground detection line
With sacrificial anode line.
Covering structure includes the boss structure and groove structure that can mutually cover conjunction, and boss structure and groove structure are respectively arranged on
13 top of 2 bottom of cover and the base upper wall, the bottom of base upper wall 13 are equipped with the company of the circumferential edge setting along opening 11
Connect flange 14, boss structure include set on cover 2 bottom and respectively close with base upper wall 13 and the lid of flange connector 14 it is matched
Cover board 21 and connection boss 22, groove structure include the installation groove 15 in base upper wall 13 and flange connector 14, accordingly
It is respectively equipped on ground, cover board 21 and connection boss 22 and is clamped matched first connection bump 211 and second with 15 phase of installation groove
Connection bump 221.
The two sides of cover board 21 are equipped with cover board screw hole 213, and correspondingly, base upper wall 13 is equipped with and 213 phase of cover board screw hole
For the boss screw hole 131 matched so that cover 2 has different installation directions with respect to pedestal 1, boss screw hole 131 is set to base upper wall
In installation groove 15 on 13, cover board screw hole 213 runs through the first connection bump 211.
Second connection bump 221 is set on connection boss 22 intensity for enhancing cover 2 in crosswise, while can be true
Protecting cover 2 and pedestal 1 has multiple installation freedom degrees (installation direction).
For protection is fixed for test survey line over the ground and sacrificial anode line, the bottom of cover 2 is equipped with guy hook 31.
When cooperation marker peg pile body 10 in use, pedestal lower wall 12 bottom circumferentially arranged with wedge-shaped buckle structure so that its
It can be detachably connected with marker peg pile body 10.
It is worth noting that, the external form of pedestal 1 and the cover 2 is in rounded shape or quadrilateral shape, no matter but using what
Kind shape, effect are the same, and are able to achieve function of the invention.
The present invention can either be separately as detecting shaft, and the use that can combine with common marker peg.When cooperation indicates
Stake in use, can in the bottom of pedestal lower wall 12 circumferentially arranged with wedge-shaped buckle structure so that it can detachably connect with marker peg
It connects, so that original common marker peg becomes dedicated detection stake, naturally it is also possible to be not provided with wedge-shaped buckle structure.When independent
When as detecting shaft, because pedestal 1 is equipped with along external circumferential reinforces skirt 16 to prevent it separately as detecting shaft as support
It is settled when use.
The present invention cooperate marker peg in use, as Fig. 5 and as shown in fig. 6, pedestal 1 by wedge shape buckle structure be connected to mark
On will stake pile body 10, cover 2 passes through screw solid lock with arbitrary installation direction and covers conjunction on pedestal 1, i.e. when needing to check
Screw can be unloaded and cover 2 is opened by capping hole 212 using simple tool, then connected using detecting instrument and binding post 3
It connects and is detected, after inspection, pass through the first connection bump 211 and the second connection bump 221 and installation groove 15
Clamping matches and makes cover 2 by arbitrary installation direction again solid lock and cover conjunction on pedestal 1.
When the present invention is directly separately as detecting shaft in use, as shown in fig. 7, directly by a kind of pedestal on ground 100,
And it can be in the periphery placing concrete for reinforcing skirt 16.Cover 2 passes through screw solid lock with arbitrary installation direction and covers conjunction the bottom of at
On seat 1, screw can be unloaded when needing to check and cover 2 is opened by capping hole 212 using simple tool, is then utilized
Detecting instrument connect and is detected with binding post 3, convex by the first connection bump 211 and the second connection after inspection
221 are played to match with the clamping of installation groove 15 and make cover 2 by arbitrary installation direction again solid lock and cover conjunction in pedestal 1
On.
Claims (8)
1. a kind of detection line ejector of underground pipe network, it is characterised in that closed on the pedestal (1) including pedestal (1) and lid
Cover (2), the cover (2) be equipped with cover hole (212) to be easy to open the cover (2), the pedestal (1) includes bottom
Seat upper wall (13), pedestal lower wall (12) and be set between the base upper wall (13) and pedestal lower wall (12) and along the pedestal
(1) the reinforcement skirt (16) of external circumferential setting, the pedestal (1) are equipped with opening (11), the cover (2) and the bottom
Covering structure is equipped between seat (1) to close to cover the opening (11), the bottom of the cover (2) equipped with binding post (3) with
In connection underground detection line and sacrificial anode line.
2. a kind of detection line ejector of underground pipe network according to claim 2, it is characterised in that the pedestal lower wall
(12) bottom is circumferentially arranged with wedge-shaped buckle structure so that it can be detachably connected with marker peg.
3. a kind of detection line ejector of underground pipe network according to claim 1 or 2, it is characterised in that the pedestal
(1) and the external form of the cover (2) is in rounded shape or quadrilateral shape.
4. a kind of detection line ejector of underground pipe network according to claim 1, it is characterised in that the covering structure
Boss structure and groove structure including can mutually cover conjunction, the boss structure and groove structure are respectively arranged on the cover (2)
At the top of bottom and the base upper wall (13).
5. a kind of detection line ejector of underground pipe network according to claim 4, it is characterised in that the base upper wall
(13) bottom is equipped with the flange connector (14) of the circumferential edge setting along the opening (11), and the boss structure includes being set to
The bottom of the cover (2) and matched cover board (21) and even is closed with the base upper wall (13) and flange connector (14) lid respectively
Connect boss (22).
6. a kind of detection line ejector of underground pipe network according to claim 5, it is characterised in that the groove structure
Including be set to the base upper wall (13) and flange connector (14) on installation groove (15), correspondingly, the cover board (21) and
It is respectively equipped in connection boss (22) and is mutually clamped matched first connection bump (211) and the second company with the installation groove (15)
Connect raised (221).
7. a kind of detection line ejector of underground pipe network according to claim 6, it is characterised in that the cover board (21)
Two sides be equipped with cover board screw hole (213), correspondingly, the base upper wall (13) be equipped with and cover board screw hole (213) phase
The boss screw hole (131) matched is so that the relatively described pedestal (1) of the cover (2) has different installation directions, the boss
Screw hole (131) is set in the installation groove (15) on the base upper wall (13), and the cover board screw hole (213) runs through described first
Connection bump (211).
8. a kind of detection line ejector of underground pipe network according to claim 6, it is characterised in that second connection
Raised (221) are set on the connection boss (22) in crosswise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397836.4A CN109245013B (en) | 2018-11-22 | 2018-11-22 | Detection line leading-out device of underground pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397836.4A CN109245013B (en) | 2018-11-22 | 2018-11-22 | Detection line leading-out device of underground pipe network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109245013A true CN109245013A (en) | 2019-01-18 |
| CN109245013B CN109245013B (en) | 2023-08-25 |
Family
ID=65075566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811397836.4A Active CN109245013B (en) | 2018-11-22 | 2018-11-22 | Detection line leading-out device of underground pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245013B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200236118Y1 (en) * | 2001-02-28 | 2001-09-28 | 이정연 | Manhole for electric inspection |
| CA2592830A1 (en) * | 2006-07-13 | 2008-01-13 | Thomas & Betts International, Inc. | Universal recessed while-in-use box and cover |
| CN201206166Y (en) * | 2007-12-21 | 2009-03-11 | 上海振邦建设工程有限公司 | Underground type sacrificial anode test device |
| CN201600403U (en) * | 2009-06-26 | 2010-10-06 | 吴发东 | Cathode protection test pile |
| CN103714662A (en) * | 2013-12-24 | 2014-04-09 | 西南石油大学 | Novel simple landslide detection device |
| CN104789969A (en) * | 2015-04-23 | 2015-07-22 | 北京永逸舒克防腐蚀技术有限公司 | Replaceable sacrificial anode well and replacement method thereof |
-
2018
- 2018-11-22 CN CN201811397836.4A patent/CN109245013B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200236118Y1 (en) * | 2001-02-28 | 2001-09-28 | 이정연 | Manhole for electric inspection |
| CA2592830A1 (en) * | 2006-07-13 | 2008-01-13 | Thomas & Betts International, Inc. | Universal recessed while-in-use box and cover |
| CN201206166Y (en) * | 2007-12-21 | 2009-03-11 | 上海振邦建设工程有限公司 | Underground type sacrificial anode test device |
| CN201600403U (en) * | 2009-06-26 | 2010-10-06 | 吴发东 | Cathode protection test pile |
| CN103714662A (en) * | 2013-12-24 | 2014-04-09 | 西南石油大学 | Novel simple landslide detection device |
| CN104789969A (en) * | 2015-04-23 | 2015-07-22 | 北京永逸舒克防腐蚀技术有限公司 | Replaceable sacrificial anode well and replacement method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109245013B (en) | 2023-08-25 |
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