CN109139652A - One kind being used for buried pipeline anti-corrosive apparatus - Google Patents
One kind being used for buried pipeline anti-corrosive apparatus Download PDFInfo
- Publication number
- CN109139652A CN109139652A CN201811007258.9A CN201811007258A CN109139652A CN 109139652 A CN109139652 A CN 109139652A CN 201811007258 A CN201811007258 A CN 201811007258A CN 109139652 A CN109139652 A CN 109139652A
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- Prior art keywords
- shell
- location hole
- shells
- plug
- spring
- Prior art date
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- 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 23
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 239000002689 soil Substances 0.000 description 24
- 238000005260 corrosion Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012876 topography Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000004210 cathodic protection Methods 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 meanwhile Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/008—Corrosion preventing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/14—Cap nuts; Nut caps or bolt caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention discloses one kind to be used for buried pipeline anti-corrosive apparatus; including two symmetrical shells, the shell can be moved along the pedestal of monitoring device, when the mutual extrusion of two shells; the Inner Constitution of two shells protects chamber, and the protection chamber is for protecting screw bolt and nut；Protect intracavitary setting there are two fixed plate, two fixed plates are corresponded with two shells, and the fixed plate is connected by the first spring with the inner wall of corresponding shell, and first spring is in tensional state always；First positioning hole is provided on the shell, positioning pin is provided in the first positioning hole, second location hole is provided on the pedestal, the diameter of the second location hole and the diameter of positioning pin match, plug is connected with by connector on the housing exterior walls, the size of the plug and the size of second location hole match.The present invention is effectively protected screw bolt and nut and is not corroded and damages, and extends maintenance period, reduces maintenance difficulties.
Description
Technical field
The present invention relates to gas pipeline corrosion-resistant fields, and in particular to one kind is used for buried pipeline anti-corrosive apparatus.
Background technique
Gas pipeline is mainly for delivery of natural gas, liquefied petroleum gas and artificial coal gas.It is big that gas pipeline is dispersed throughout China
Jiangnan north is to complete natural gas, liquefied petroleum gas and the transmission of artificial coal gas.
Transport vehicle of the buried pipeline as oil gas, one of critical facility of ground surface works.It is connection upstream resource under
The tie for swimming user, since pipeline is embedded in underground for a long time, over time, the factors such as extraneous soil characteristic and landform sedimentation
Influence, pipeline can occur burn into perforation, leakage, field and country bring serious economic loss.Moreover, corrosive pipeline
The leakage that harmful substance can also be caused, pollutes the environment, or even can also cause the disaster accident of burst, jeopardizes personal peace
Entirely.For conveying the long distance pipeline and collection transmission pipe network of natural gas, the use of technology for external corrosion-proofing of pipeline and construction quality direct relation
To the safe operation and service life of pipeline.
Technology for external corrosion-proofing of pipeline mainly includes the mode for coating external anti-corrosion layer, cathodic protection or both and combining.Anti-corrosion
Although layer can cover the most surfaces of gas pipeline, when the monitoring device for being equipped with cathodic protection on pipeline for example passes
Sensor, or when passing through other erosion resistant coating integrity degree detection devices, need to be connected through a screw thread above equipment is fixed on pipeline
On.
Due to the structure of bolt and nut itself, anticorrosive paint will not be usually coated to bolt and nut, meanwhile, landform sedimentation etc.
Factor can also squeeze bolt and nut, cause bolt card in the screw hole on pipeline or pedestal, when serious, or even bolt be caused to damage
It is bad, when leading to service conduit, bolt can not be taken out from screw hole, and then need to destroy the pedestal of monitoring device, maintenance cost
Height, maintenance process are complicated.
Summary of the invention
The purpose of the present invention is to provide one kind to be used for buried pipeline anti-corrosive apparatus, to solve not to be directed in the prior art
Property protect bolt failure caused by exposure bolt and nut in the soil or be stuck in screw hole, cause pipe-line maintenance it is difficult,
The high problem of maintenance cost.
The present invention is achieved through the following technical solutions:
One kind being used for buried pipeline anti-corrosive apparatus, and including two symmetrical shells, the shell can be set along monitoring
Standby pedestal is mobile, and when the mutual extrusion of two shells, the Inner Constitution of two shells protects chamber, and the protection chamber is used to protect
Screw bolt and nut；Protect intracavitary setting there are two fixed plate, two fixed plates are corresponded with two shells, and the fixed plate is logical
It crosses the first spring to connect with the inner wall of corresponding shell, first spring is in tensional state always；It is set on the shell
It is equipped with first positioning hole, positioning pin is provided in the first positioning hole, is provided with second location hole on the pedestal, described
The diameter of two location holes and the diameter of positioning pin match, and are connected with plug by connector on the housing exterior walls, described stifled
The size of head and the size of second location hole match.
In the prior art, the monitoring device of cathodic protection or the defect detecting device of external anti-corrosion layer are installed outside pipeline
When, it is usually to be connected through a screw thread for above-mentioned monitoring device or detection device to be fixed on pipeline, or be fixed on the outside of pipeline
Mounting ring on.But either it is fixed wherein, have nut and part bolt be exposed in monitoring device or detection device
Pedestal on.After pipeline is buried, the moisture in soil will be used as electrolyte, and oxidation reaction occurs as anode in bolt and nut,
Iron ion is generated, the deformed threads on bolt and nut is caused, gets rusty on screw thread, ultimately cause bolt card in the screw thread of screw hole,
It can not normal demounting bolt.In addition, the variation that landform generates will squeeze exposed screw bolt and nut, bolt, nut are caused
Different degrees of deformation.To sum up, soil characteristic, topography variation can cause burn into broken to the exposed nuts and bolt on pedestal
It is bad.
But although bolt can not be detected periodically along pipe indirect review corrosive pipeline degree after pipeline is buried
The corrosion condition of nut can only excavate soil layer and directly be detected.So often will appear bolt, nut when maintenance
The case where having damaged or can not normally having taken out from screw hole, staff has to destroy pedestal, causes maintenance difficult, dimension
Protect the problems such as at high cost.
To solve the above-mentioned problems, the present invention provides a kind of anti-corrosive apparatus being set in outside screw bolt and nut.
The device includes two symmetrical shells, and two shells can be along monitoring device or the pedestal of detection device
It is mobile, when two shells are bonded together namely when two opposite end faces of shell contact with each other and squeeze, the inside structure of shell
At protection chamber, the screw hole on chamber covering base is protected to be exposed to the bolt part above pedestal when being equipped with bolt in screw hole
And corresponding nut is respectively positioned on the intracavitary portion of protection.Protection chamber can only cover a screw hole, can also cover multiple screw holes.
Protect intracavitary setting there are two fixed plate, fixed plate is fixedly mounted on pedestal, the connection side of fixed plate and pedestal
Formula can be dismountable connection type such as threaded connection, clamping, be also possible to the non-removable connection sides such as welding, bonding
Formula, it is preferable that fixed plate is removably attached on pedestal.Fixed plate is connected by the first spring with shell adjacent thereto,
And first spring be in tensional state always, i.e. the first spring provides elastic force always and makes shell towards corresponding fixation
Plate is mobile.Therefore, under the action of not by any external force, it is simultaneously final that the active force of the first spring moves towards two shells
Mutual extrusion fits together, and forms closed protection chamber.
First positioning hole is provided on the shell, the first positioning hole is connected to the top and bottom of housing sidewall, the
Positioning pin is provided in a positioning hole, positioning pin can move in first positioning hole.Second location hole is additionally provided on pedestal,
The diameter of second location hole and the diameter of positioning pin match, so that when first positioning hole is aligned with second location hole, positioning
Pin can drop down onto second location hole from first positioning hole under gravity, and then shell is fixed on the base.
When installation or removal, first by two shells towards moving in the direction away from each other, in the process of moving first
Spring makes shell by the active force towards corresponding fixed plate direction, when shell is moved to second location hole and the first positioning
When the position of hole alignment, positioning pin is since gravity is fallen into second location hole, although pulling force of the shell by the first spring,
But it is relatively fixed on pedestal at this time；The opened gap between two shells is large enough that staff can incite somebody to action at this time
Bolt is inserted into screw hole and tightening nut, or takes out from screw hole by loosening nut, and by bolt.Then, lift positioning pin,
Two shells, which are moved towards under the action of the first spring and are finally mutually connected to, is formed together closed protection chamber.
Pass through above-mentioned setting, on the one hand, closed protection chamber avoids soil from contacting with bolt, nut, and then prevents soil
In moisture generated on bolt and nut as electrolyte electrochemical reaction accelerate bolt and nut corrosion, on the other hand, shell
Bolt and nut is formed and is protected, soil is avoided directly to squeeze bolt and nut, it can be complete in shell landform settles bolt and nut
Just now by the extruding from shell after total loss is bad, it is effectively protected screw bolt and nut.Meanwhile present apparatus structure is simple, makes
With flexible, whether staff can use the device according to flexible choice situations such as soil characteristic, the topography variation in area, with
And screw hole quantity of the device for protection, there is extensive promotional value.
As a preferred embodiment of the invention, plug is connected with by connector on housing exterior walls, plug is used
In blocking second location hole, after avoiding pipeline buried, is filled up in second location hole by soil, sandstone, cause demounting bolt nut
When, positioning pin can not be fallen into second location hole, and shell can not be fixed on the base.Meanwhile plug passes through connector and shell
Outer wall connection, one side user can use connector and takes out plug from second location hole, avoid plug second
It is blocked in location hole, on the other hand during buried, plug is not easy to lose, and staff can more easily find and shell
Corresponding plug.Connector can be rope such as steel wire, or elastic component such as spring.
As a kind of preferred structure of plug, the plug includes rigid section and compliant section, and the rigid section is located at flexibility
Duan Shangfang, rigid section are connected with compliant section by bonding mode, and one end of the connector is connected on shell, connector
The other end is connected on rigid section.Rigid section bottom end is bonded with compliant section, is fixed with connector on rigid section, enables rigid section
Enough to play supporting role well to connector, linkage section can select the elastic components such as spring at this time, and spring can be in always
Compressive state, and an active force towards fixed plate is applied to shell, be conducive to two the close of shell under guard mode and connect
It closes.Deformation can not be generated compared to rigid section and is played a supporting role, and compliant section can be played limit and be filled out using self-deformation
The effect filled.When plug is located in second location hole, compliant section can be filled by certain deformation itself and second location hole it
Between working clearance, limit movement of the plug relative to second location hole, have the function that fixed plug；It is fixed from second when needing
When taking out plug in the hole of position, it is only necessary to rigid section is pulled on the outside of second location hole, under the effect of external force, compliant section passes through deformation
Be conducive to plug integrally to take out out of second location hole, improve the convenience of operation.In addition, due to directly being contacted with soil,
The compliant section that may be corroded, but be located in second location hole using rigid section made of metal is since it is closely with second
The inner wall of location hole is bonded, few with air, contact with moisture, while material itself is not easy to be corroded, therefore compliant section can be avoided
Plug blocks in second location hole, improves the reliability that device uses.
Further, the rigid section is made of metal, it is preferable that rigid section is made of aluminium alloy, stainless steel.Institute
Compliant section is stated to be made of fluorubber.Fluorubber has the function of acid and alkali-resistance, even if soil is in certain acid-base property, fluorubber
It is not likely to produce corrosion, and then keeps preferable deformability.
Further, the length of the rigid section is configured as, and when plug is located in second location hole, rigid section is located at
Length in second location hole is a quarter that rigid section is located at the length outside second location hole.Rigid section needs part to be located at
To play the role of supporting connector, spring in second location hole.But the length that rigid section is located in second location hole is unsuitable
Too long, otherwise plug is easy to be stuck in second location hole, or is not easy to take out plug after being corroded.Therefore, in practice, will
The length of plug rigid section is set as when plug is located in second location hole, and the length that rigid section is located in second location hole is
Rigid section is located at a quarter of the length outside second location hole.
Further, magnet and iron sheet are respectively arranged on the opposite end face of described two shells.Two shells pass through magnetic
Power connection can be better aligned and contact, avoided under guard mode to a certain extent, due to soil squeezing action and lead
Cause two shell dislocation and separation.
It further include the top cover being mounted on above shell, the top cover as another preferred embodiment of the present invention
On be provided with fixation hole, the size of the fixation hole and positioning pin matches.Top cover can reinforce the intensity of shell significantly, together
When, after positioning pin passes through fixation hole and first positioning hole, top cover is fixed with two shells, play the role of integrating two pieces of shells,
Improve integrally-built integraty.
Further, to the direction of each side of top cover in the middle part of top cover, the height of top cover is gradually reduced.Top cover can be circle
Taper, truncated cone-shaped or hemisphere not only increase the forced area of top cover by above-mentioned setting, reduce what top cover was subject to
Pressure, while the direction for the pressure that top cover is subject to also is changed, the active force that top cover squeezes shell is substantially reduced, and is effectively protected
Shell.
Further, the connector is second spring, and the second spring is in compressive state always.Always in pressure
The second spring of contracting state makes plug other than having above-mentioned function, additionally it is possible to play the role of supporting second spring, preferably
Second spring is made in the rigid section on ground, plug, so that second spring applies the active force towards fixed plate to shell, and then is protecting
Under shield state, the combination of two shells can be even closer, but when needing to separate two shells, it is only necessary to lift plug, i.e.,
The active force from second spring that shell is subject to can be reduced.As it can be seen that by the second spring for setting connector to compression,
The combination of guard mode lower case can be even closer, but when needing to separate two shells, after taking out plug, shell is no longer
By the squeezing action of second spring, two shells are separated convenient for staff.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention avoids soil from contacting with bolt, nut by closed protection chamber, and then prevents the moisture in soil
The corrosion that electrochemical reaction accelerates bolt and nut is generated on bolt and nut as electrolyte, meanwhile, shell is to bolt and nut shape
At protection, soil is avoided directly to squeeze bolt and nut, it can be after shell damages completely just now landform settles bolt and nut
By the extruding from shell, it is effectively protected screw bolt and nut and is not corroded and damages, extend maintenance period, reduce
Maintenance difficulties；
2, the first spring is arranged inside housings the present invention, and shell can be effectively protected the first spring, so that first
Spring remains good elasticity and generates pulling force to shell, it is ensured that device stable operation；
3, the configuration of the present invention is simple, using flexible, staff can be according to feelings such as soil characteristic, the topography variations in area
Whether condition flexible choice uses the device and the device for the screw hole quantity of protection, has extensive promotional value；
4, plug of the invention includes rigid section and compliant section, and rigid section can play support well to second spring and make
With second spring is in compressive state always, and applies an active force towards fixed plate to shell, is conducive to guard mode
Lower two shells are tightly engaged into；Compliant section can play the role of limit and filling using self-deformation, when plug is located at the
When two positioning holes, compliant section can be filled its working clearance between second location hole by certain deformation, limit plug
Relative to the movement of second location hole, have the function that fixed plug；When needing to take out plug out of second location hole, it is only necessary to
Rigid section is pulled on the outside of second location hole, under the effect of external force, compliant section is conducive to plug entirety from second by deformation
Positioning hole is taken out, and the convenience of operation is improved；In addition, due to directly being contacted with soil, using rigid section made of metal
The compliant section that may be corroded, but be located in second location hole since it is closely bonded with the inner wall of second location hole, with
Air, contact with moisture are few, while the fluorubber that compliant section uses is not easy to be corroded, therefore compliant section can be avoided plug second
It is blocked in location hole, improves the reliability that device uses；
5, by the present invention in that with second spring, the combination of guard mode lower case can be even closer, but need
When separating two shells, after taking out plug, shell is no longer influenced by the squeezing action of second spring, convenient for staff's separation two
A shell.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1- shell, 2- fixed plate, the first spring of 3-, 4- second spring, 5- rigid section, 6- compliant section, 7- positioning pin, the bottom 8-
Seat, 9- pipeline, 10- nut, 11- top cover.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
In the description of the present invention, it is to be understood that, term "front", "rear", "left", "right", "upper", "lower", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "high", " low " "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the scope of the invention.
Embodiment 1:
One kind as shown in Figure 1 is used for buried pipeline anti-corrosive apparatus, including two symmetrical shells 1, the shell 1
It can be moved along the pedestal 8 of monitoring device, when the mutual extrusion of two shells 1, the Inner Constitution of two shells 1 protects chamber, institute
Protection chamber is stated for protecting screw bolt and nut；Protecting intracavitary setting, there are two fixed plate 2, two fixed plates 2 and two shells 1 one
One is corresponding, and the fixed plate 2 is connected by the first spring 3 with the inner wall of corresponding shell 1, and first spring 3 is located always
In tensional state；It is provided with first positioning hole on the shell 1, positioning pin 7, the pedestal are provided in the first positioning hole
Second location hole is provided on 8, the diameter of the diameter and positioning pin 7 of the second location hole matches, on 1 outer wall of shell
It is connected with plug by connector, the size of the plug and the size of second location hole match；The connector is second
Spring 4, the second spring 4 are in compressive state always.
When installation or removal, first by two shells 1 towards moving in the direction away from each other, in the process of moving first
Spring 3 makes shell 1 by the active force towards corresponding 2 direction of fixed plate, when shell 1 is moved to second location hole and first
When the position of location hole alignment, for positioning pin 7 since gravity is fallen into second location hole, shell 1 is relatively solid on pedestal 8
It is fixed；The opened gap between two shells 1 is large enough that bolt can be inserted into screw hole and be screwed by staff at this time
Nut 10, or taken out from screw hole by loosening nut 10, and by bolt.Then, lift positioning pin 7, two shells 1 are first
It moves towards under the action of spring 3 and is finally mutually connected to and be formed together closed protection chamber.
When positioning pin 7 takes out from second location hole, plug is inserted into second location hole, is avoided in buried process
Middle sandstone, soil block second location hole.
Pass through above-mentioned setting, on the one hand, closed protection chamber avoids soil from contacting with bolt, nut 10, and then prevents soil
Moisture in earth generates the corrosion that electrochemical reaction accelerates bolt, nut 10, another party as electrolyte on bolt, nut 10
Face, shell 1 forms protection to bolt, nut 10, soil is avoided directly to squeeze bolt, nut 10, even if landform settles bolt, spiral shell
Mother 10 also can be effectively protected screw bolt and nut 10 after shell 1 completely damage just now by the extruding from shell 1.Together
When, situations such as present apparatus structure is simple, using flexible, and staff can be according to soil characteristic, the topography variation in area, is flexible
The screw hole quantity using the device and the device for protection is chosen whether, there is extensive promotional value.
Embodiment 2:
On the basis of embodiment 1, the plug includes rigid section 5 and compliant section 6, and the rigid section 5 is located at compliant section 6
Top, rigid section 5 are connected with compliant section 6 by bonding mode, and one end of the connector is connected on shell 1, connector
The other end be connected on rigid section 5；The rigid section is made of metal, and the compliant section is made of fluorubber；It is described
The length of rigid section 5 is configured as, and when plug is located in second location hole, rigid section 5 is located at the length in second location hole
It is located at a quarter of the length outside second location hole for rigid section 5.
Rigid section 5 can play supporting role well to second spring 4, and second spring 4 is in compressive state always, and
One active force towards fixed plate 2 is applied to shell 1, is conducive under guard mode being tightly engaged into for two shells 1；Compliant section
6 can play the role of limit and filling using self-deformation, and when plug is located in second location hole, compliant section 6 can lead to
It crosses certain deformation to fill its working clearance between second location hole, limits movement of the plug relative to second location hole, reach
To the effect of fixed plug；When needing to take out plug out of second location hole, it is only necessary to which rigid section 5 is pulled to outside second location hole
Side, under the effect of external force, compliant section 6 are conducive to plug entirety by deformation and take out out of second location hole, improve operation
Convenience；In addition, may be corroded due to directly contacting with soil using rigid section 5 made of metal, but it is located at the
The compliant section 6 of two positioning holes is few with air, contact with moisture while soft since it is closely bonded with the inner wall of second location hole
Property the fluorubber that uses of section 6 be not easy to be corroded, therefore compliant section can be avoided plug and block in second location hole, improve dress
Set the reliability used.
Embodiment 3:
On the basis of embodiment 2, described two shells 1 are respectively arranged with magnet and iron sheet on opposite end face；Also wrap
The top cover 11 for being mounted on 1 top of shell is included, is provided with fixation hole, the size of the fixation hole and positioning pin 7 on the top cover 11
Match；Along the direction of 11 middle part to each side of top cover 11 of top cover, the height of top cover 11 is gradually reduced.
It is clear that " first " used herein, " second " etc. (such as the first spring, second spring etc.) are intended merely to description
Chu Qijian and corresponding component is distinguished, it is not intended to limit any order or emphasize importance etc..In addition, making herein
Term " connection " can be directly connected, can also make via between other component without illustrating
It connects connected.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. one kind is used for buried pipeline anti-corrosive apparatus, which is characterized in that including two symmetrical shells (1), the shell
(1) can be mobile along the pedestal (8) of monitoring device, when the mutual extrusion of two shells (1), the Inner Constitution of two shells (1)
Chamber is protected, the protection chamber is for protecting screw bolt and nut；Protecting intracavitary setting, there are two fixed plate (2), two fixed plates (2)
It is corresponded with two shells (1), the fixed plate (2) is connected by the first spring (3) with the inner wall of corresponding shell (1)
It connects, first spring (3) is in tensional state always；First positioning hole, first positioning are provided on the shell (1)
It is provided in hole positioning pin (7), is provided with second location hole, the diameter of the second location hole and positioning on the pedestal (8)
The diameter of pin (7) matches, and is connected with plug, the size of the plug and second by connector on shell (1) outer wall
The size of location hole matches.
2. according to claim 1 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that the plug includes rigidity
Section (5) and compliant section (6), the rigid section (5) are located above compliant section (6), and rigid section (5) passes through Nian Jie with compliant section (6)
Mode connect, one end of the connector is connected on shell (1), and the other end of connector is connected on rigid section (5).
3. according to claim 2 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that the rigid section is using gold
Category is made, and the compliant section is made of fluorubber.
4. according to claim 2 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that the rigid section (5)
Length is configured as, and when plug is located in second location hole, it is rigid section that rigid section (5), which is located at the length in second location hole,
(5) it is located at a quarter of the length outside second location hole.
5. according to claim 1 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that described two shells (1)
Magnet and iron sheet are respectively arranged on opposite end face.
6. according to claim 5 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that further include being mounted on shell
(1) top cover (11) above is provided with fixation hole, the size phase of the fixation hole and positioning pin (7) on the top cover (11)
Match.
7. according to claim 6 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that in the middle part of top cover (11) extremely
The direction of top cover (11) each side, the height of top cover (11) are gradually reduced.
8. according to any one of claims 1 to 7 a kind of for buried pipeline anti-corrosive apparatus, which is characterized in that described
Connector is second spring (4), and the second spring (4) is in compressive state always.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007258.9A CN109139652A (en) | 2018-08-31 | 2018-08-31 | One kind being used for buried pipeline anti-corrosive apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007258.9A CN109139652A (en) | 2018-08-31 | 2018-08-31 | One kind being used for buried pipeline anti-corrosive apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139652A true CN109139652A (en) | 2019-01-04 |
Family
ID=64825746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007258.9A Withdrawn CN109139652A (en) | 2018-08-31 | 2018-08-31 | One kind being used for buried pipeline anti-corrosive apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139652A (en) |
-
2018
- 2018-08-31 CN CN201811007258.9A patent/CN109139652A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |
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| WW01 | Invention patent application withdrawn after publication |