CN107842827B - Municipal works street lamp base protection device - Google Patents

Municipal works street lamp base protection device Download PDF

Info

Publication number
CN107842827B
CN107842827B CN201711068418.6A CN201711068418A CN107842827B CN 107842827 B CN107842827 B CN 107842827B CN 201711068418 A CN201711068418 A CN 201711068418A CN 107842827 B CN107842827 B CN 107842827B
Authority
CN
China
Prior art keywords
body cover
main body
cover cylinder
street lamp
flow guide
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.)
Active
Application number
CN201711068418.6A
Other languages
Chinese (zh)
Other versions
CN107842827A (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Huamiao Electronic Technology Co ltd
Original Assignee
Jiangsu Huamiao Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Huamiao Electronic Technology Co ltd filed Critical Jiangsu Huamiao Electronic Technology Co ltd
Priority to CN201711068418.6A priority Critical patent/CN107842827B/en
Publication of CN107842827A publication Critical patent/CN107842827A/en
Application granted granted Critical
Publication of CN107842827B publication Critical patent/CN107842827B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00Protecting lighting devices from damage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/005Sealing arrangements therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10Outdoor lighting
    • F21W2131/103Outdoor lighting of streets or roads

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses a municipal engineering street lamp base protection device, and discloses a protection device which is used for annularly wrapping a street lamp base and guiding rainwater on a lamp post away by combining a drainage sheet. The lamp holder is characterized in that the upper portion of the main body cover cylinder is in a cylindrical shape, the lower portion of the main body cover cylinder is in a round platform shape, the middle portion of the main body cover cylinder is in two halves with the same size, the two halves are connected through a plurality of buckles, a lamp holder cavity is arranged in the cylindrical portion of the main body cover cylinder, a base cavity is arranged in the round platform portion, a plurality of guide grooves are formed in the outer side of the main body cover cylinder at equal intervals, the width of each guide groove is gradually increased from the opening portion of the main body cover cylinder to the bottom, one ends of a plurality of drainage pieces are arranged at the opening portion of the main body cover cylinder at equal intervals and are in one-to-one correspondence with the plurality of guide grooves, the other ends of the drainage pieces extend upwards in an inclined mode for a certain distance.

Description

Municipal works street lamp base protection device
Technical Field
The invention discloses a municipal engineering street lamp base protection device, relates to a device used in municipal engineering and used for protecting a street lamp base, and belongs to the field of municipal engineering. In particular to a protection device which is used for annularly wrapping a street lamp base and guiding away rainwater on a lamp pole by combining a drainage sheet.
Background
At present, in municipal works, street lamps are used as road lighting lamps in large quantity, when the street lamps are installed and constructed, the construction of a road foundation embedded part is generally carried out firstly, a flange plate on a street lamp base and the foundation embedded part are fixed together through bolts, the street lamps and the foundation embedded part are connected in the traditional construction, the bolt connecting part of the base is not protected, connecting bolts are directly exposed in the air, particularly lamp posts on some bridges are in moist air throughout the day, rainwater slides to the connecting bolts of the base along lamp posts in rainy days, the connecting bolts are easy to rust, when the moisture content of the air is large, the connecting bolts are easy to slowly oxidize and corrode, acid substances secreted by small organisms on the ground surface can also cause the corrosion of the connecting bolts, and the subsequent maintenance and disassembly are influenced, increases the operation difficulty and labor burden, in the long-term use process, the charged ions in the air can also corrode the street lamp base, only the protection mode of brushing anticorrosive paint is utilized, the effect is very poor, the durability is difficult, the existing street lamp base protection mode does not adopt the attempt of cathode protection on the street lamp base, the publication No. CN106989334A discloses a street lamp for preventing the base from corroding, the device sprays water to the outer wall of a protective shell through a water spray head on the protective shell to remove urine of small animals on the protective shell, no special treatment is carried out on the contact part of the protective shell and the lamp pole, rainwater which slides to the upper end of the protective shell along the lamp pole in rainy days can not timely slide down along the outer wall of the protective shell, a small amount of rainwater is stored at the contact part of the upper end of the protective shell and the lamp pole, the stored rainwater enters the protective shell along the gap of the contact part to corrode a, a certain amount of water is accumulated in the protective shell even after long-term accumulation, and the street lamp base is soaked in the water, so that the base and the lamp post are seriously corroded to cause the situations of electric leakage and the like, and the safety of passers-by and vehicles is threatened.
Disclosure of Invention
In order to improve the situation, the invention provides a municipal engineering street lamp base protection device which is used for annularly wrapping a street lamp base and guiding away rainwater on a lamp post by combining a drainage sheet.
The invention discloses a municipal engineering street lamp base protection device, which is realized by the following steps: the invention relates to a municipal engineering street lamp base protection device which comprises a main body cover cylinder, diversion trenches, diversion sheets, buckles, a sealing ring, a dehumidification inner pad, a magnesium anode block, a sealing gasket, a lamp rod cavity, a base cavity, a blocking sheet and diversion trenches, wherein the upper part of the main body cover cylinder is in a cylindrical shape, the lower part of the main body cover cylinder is in a circular truncated cone shape, the main body cover cylinder is divided into two halves with equal size from the middle part, the two halves are connected through a plurality of buckles, the lamp rod cavity is arranged in the cylindrical part of the main body cover cylinder, the base cavity is arranged in the circular truncated cone part, a plurality of diversion trenches are equidistantly arranged on the outer side of the main body cover cylinder, the width of the diversion trenches is gradually increased from the opening part to the bottom part of the main body cover cylinder, one end of each diversion sheet is equidistantly arranged at the opening part of the main body cover cylinder and is in one-to-one correspondence with the diversion trenches, the other end of, the inlet of the drainage groove is wide, the outlet of the drainage groove is narrow, the sealing gasket is arranged on the inner wall of the main body cover cylinder and is made of rubber, at most 3 magnesium anode blocks are embedded on the inner wall of the main body cover cylinder and are formed by combining and pressing any two of magnesium, magnesium alloy, pure zinc and zinc alloy, the weight of each magnesium anode block is between 100 and 200 grams, the dehumidification inner pad is arranged on the inner wall of the main body cover cylinder and is positioned in the cavity of the base, and the sealing ring is arranged on the inner wall of the main body cover cylinder and is positioned below the dehumidification inner pad. The dehumidification inner pad is filled with super absorbent resin particles.
When the street lamp base is used and protected, the two halves of the main body cover cylinder are respectively clamped on the street lamp base, the street lamp base is arranged in the base cavity, part of a lamp post is arranged in the lamp post cavity, the two halves of the main body cover cylinder are connected through a plurality of buckles, the other ends of a plurality of drainage sheets are attached to the outer surface of the lamp post, the sealing gasket seals the opening of the main body cover cylinder to prevent rainwater and small animals from entering the lamp post cavity from the top of the main body cover cylinder, the sealing ring seals the bottom of the main body cover cylinder to prevent rainwater and small animals from entering the base cavity from the bottom of the main body cover cylinder, the dehumidifying inner cushion can dry humid air in the base cavity to keep the base cavity dry, and the dehumidifying inner cushion is filled with super absorbent resin particles to improve the dehumidifying effect and facilitate periodic replacement to keep the lamp post cavity dry, when rainwater flows downwards along the lamp post and flows to the positions of the drainage pieces, the rainwater can flow into the corresponding drainage grooves along the drainage pieces respectively, then flows into the communicated drainage grooves along the drainage grooves, and finally flows downwards to the ground along the drainage grooves, so that the rainwater cannot enter the inside of the main body cover cylinder, and the street lamp base is protected and bolts on the base cannot corrode as the inside of the main body cover cylinder is kept dry all the time;
magnesium positive pole piece laminating street lamp pole can carry out cathodic protection to the street lamp pole, and magnesium positive pole piece is when using, and magnesium positive pole piece can shift the electron to the street lamp pole as active metal on, and magnesium positive pole piece can be corroded earlier, only after magnesium positive pole piece corrodes completely, the street lamp pole just can be corroded, and then makes the street lamp pole avoid corroding as the negative pole, can utilize the protection method of sacrificial anode, can further improve the protection effect of street lamp base under humid environment.
The weight of each magnesium anode block is between 100 and 200 grams, and the magnesium anode blocks are used at most 3 at a time, so that the accelerated corrosion of the street lamp post caused by the over-protection of the cathode due to the excessive use amount of the magnesium anode blocks is avoided.
The magnesium anode block is formed by combining and pressing any two of magnesium and magnesium alloy, pure zinc and zinc alloy, can improve the effect of cathode protection,
the upper part of the main body cover cylinder is cylindrical, and the lower part of the main body cover cylinder is in a circular truncated cone shape, so that the circular truncated cone part of the main body cover cylinder can better wrap the street lamp base, and the circular truncated cone part can better wrap part of the lamp post, thereby improving the protection effect;
the width of the diversion trench is gradually increased from the opening part of the main body cover to the bottom, so that rainwater in the diversion trench can flow conveniently, the diversion effect is good, and the protection effect is improved;
the design that the other end of the drainage sheet extends upwards in an inclined manner for a certain distance enables the other end of the drainage sheet to be attached to the outer surface of the lamp post, so that rainwater on the lamp post can flow along the drainage sheet conveniently, the rainwater on the lamp post is guided away, and the rainwater is prevented from entering the main body cover barrel and corroding the street lamp base;
the drainage groove is wide in inlet and narrow in outlet, so that rainwater can enter the drainage groove conveniently, the rainwater is prevented from deviating, the rainwater cannot flow along the diversion groove, and the drainage effect is influenced;
the main body cover cylinder and the plurality of the drainage sheets are matched to protect the street lamp base, so that when the street lamp base is protected in a wrapping mode, rainwater can be prevented from entering the main body cover cylinder to corrode the street lamp base, and the protection effect is further improved;
the sealing ring and the sealing gasket are matched to seal the upper part and the lower part of the main body cover cylinder, so that the contact positions of the main body cover cylinder, the street lamp base and the lamp post can be sealed, small organisms outside and rainwater are prevented from entering, the street lamp base is prevented from being corroded, and the service life is shortened;
the purpose of using on the municipal works, protecting the street lamp base is reached.
Has the beneficial effects.
The structure is simple, and the device is convenient and practical.
And secondly, the protection effect of the street lamp base in a humid environment can be improved by matching with a cathode protection method.
And thirdly, the service life of the street lamp base can be prolonged.
Drawings
Fig. 1 is a three-dimensional structure diagram of the municipal engineering street lamp base protection device.
Fig. 2 is a schematic structural view of the municipal engineering street lamp base protection device.
FIG. 3 is a three-dimensional structure view of the drainage groove of the municipal engineering street lamp base protection device.
In the attached drawings
Wherein the parts are: the dehumidifying inner pad comprises a main body cover cylinder (1), a flow guide groove (2), a flow guide sheet (3), a buckle (4), a sealing ring (5), a dehumidifying inner pad (6), a magnesium anode block (7), a sealing pad (8), a lamp pole cavity (9), a base cavity (10), a blocking sheet (11) and a flow guide groove (12).
The specific implementation mode is as follows:
the invention discloses a municipal engineering street lamp base protection device which is realized by comprising a main body cover cylinder (1), a diversion trench (2), a drainage sheet (3), a buckle (4), a sealing ring (5), a dehumidifying inner pad (6), a magnesium anode block (7), a sealing gasket (8), a lamp pole cavity (9), a base cavity (10), a baffle sheet (11) and a drainage trench (12), wherein the upper part of the main body cover cylinder (1) is in a cylindrical shape, the lower part of the main body cover cylinder is in a round platform shape, the main body cover cylinder (1) is divided into two halves with equal size from the middle part, the two halves are connected through a plurality of buckles (4), the lamp pole cavity (9) is arranged in the cylindrical part of the main body cover cylinder (1), the base cavity (10) is arranged in the round platform part, a plurality of diversion trenches (2) are equidistantly arranged on the outer side of the main body cover cylinder (1), the width of the diversion trenches (2) is gradually increased from the opening part, one end of each drainage sheet (3) is equidistantly arranged at the opening of the main body cover cylinder (1) and is in one-to-one correspondence with the plurality of flow guide grooves (2), the other end of each drainage sheet (3) extends upwards in an inclined manner for a certain distance, each drainage sheet (3) is provided with a drainage groove (12) and is communicated with the corresponding flow guide groove (2), the drainage groove (12) is wide in inlet and narrow in outlet, a sealing gasket (8) is arranged on the inner wall of the main body cover cylinder (1), the sealing gasket (8) is made of rubber, at least 2 magnesium anode blocks (7) are embedded on the inner wall of the main body cover cylinder (1), the magnesium anode blocks (7) are formed by combining and pressing any two of magnesium, magnesium alloy, pure zinc and zinc alloy, the weight of each magnesium anode block (7) is between 100 and 200 grams, a dehumidification inner pad (6) is arranged on the inner wall of the main body cover cylinder (1) and is positioned in the base cavity (10), the sealing ring (5) is arranged on the inner wall of the main body cover cylinder (1) and is positioned below the dehumidifying inner pad (6). The dehumidifying inner pad (6) is filled with super absorbent resin particles.
When the street lamp base is used and protected, firstly, the two halves of the main body cover cylinder (1) are respectively clamped on the street lamp base, the street lamp base is arranged in the base cavity (10), part of a lamp post is arranged in the lamp post cavity (9), then the two halves of the main body cover cylinder (1) are connected through the plurality of buckles (4), the other ends of the plurality of drainage sheets (3) are attached to the outer surface of the lamp post, the opening part of the main body cover cylinder (1) is sealed by the sealing gasket (8), rainwater and small animals are prevented from entering the lamp post cavity (9) from the top of the main body cover cylinder (1), the sealing ring (5) seals the bottom of the main body cover cylinder (1), the rainwater and the small animals are prevented from entering the base cavity (10) from the bottom of the main body cover cylinder (1), and the dehumidifying inner cushion (6) can dry damp air in the base cavity (10) and keep the dryness in the base cavity (10), the inner dehumidifying pad (6) is filled with super absorbent resin particles, so that the dehumidifying effect of the inner dehumidifying pad can be improved, and meanwhile, the inner dehumidifying pad is convenient to replace periodically, the dryness in the lamp pole cavity (9) is kept, when rainwater flows downwards along a lamp pole and flows to the positions of a plurality of flow guide sheets (3), the rainwater can flow into corresponding flow guide grooves (12) along the plurality of flow guide sheets (3), then flows into the communicated flow guide grooves (2) along the flow guide grooves (12), and finally flows downwards to the ground along the flow guide grooves (2), so that the rainwater cannot enter the main body cover cylinder (1), and the interior of the main body cover cylinder (1) is kept dry all the time, so that a street lamp base is protected, and bolts on the base cannot be corroded;
magnesium positive pole piece (7) laminating street lamp pole, can carry out cathodic protection to the street lamp pole, magnesium positive pole piece (7) are when using, magnesium positive pole piece (7) can shift the electron to the street lamp pole as active metal on, magnesium positive pole piece (7) can be corroded earlier, only after magnesium positive pole piece (7) corrodes completely, the street lamp pole just can be corroded, and then make the street lamp pole avoid corroding as the negative pole, can utilize the protection method of sacrificial anode, can further improve the protection effect of street lamp base under humid environment.
The weight of each magnesium anode block (7) is between 100 and 200 grams, so that the magnesium anode block (7) is added according to the condition of a street lamp post when the street lamp base is used, the phenomenon that the magnesium anode block (7) is too large, the using amount of the magnesium anode block (7) is difficult to control and the cathode is over-protected is avoided,
the magnesium anode block (7) is formed by combining and pressing any two of magnesium and magnesium alloy, pure zinc and zinc alloy, can improve the effect of cathodic protection,
the upper part of the main body cover cylinder (1) is in a cylindrical shape, and the lower part of the main body cover cylinder (1) is in a circular truncated cone shape, so that the circular truncated cone part of the main body cover cylinder (1) can better wrap a street lamp base, and the circular truncated cone part can better wrap a part of lamp posts, so that the protection effect is improved;
the width of the diversion trench (2) is gradually increased from the opening part to the bottom part of the main body cover cylinder (1), so that rainwater in the diversion trench (2) can flow conveniently, the diversion effect is good, and the protection effect is improved;
the design that the other end of the drainage sheet (3) extends upwards in an inclined manner for a certain distance enables the other end of the drainage sheet (3) to be attached to the outer surface of the lamp post, so that rainwater on the lamp post can flow along the drainage sheet (3) conveniently, the rainwater on the lamp post is guided away, and the rainwater is prevented from entering the main body cover cylinder (1) and corroding the street lamp base;
the drainage groove (12) is wide in inlet and narrow in outlet, so that rainwater can enter the drainage groove (12) conveniently, the rainwater is prevented from deviating and cannot flow along the diversion groove (2), and the drainage effect is influenced;
the main body cover cylinder (1) and the plurality of drainage pieces (3) are matched to protect the street lamp base, so that when the street lamp base is protected in a wrapping mode, rainwater can be prevented from entering the main body cover cylinder (1) to corrode the street lamp base, and the protection effect is further improved;
the sealing ring (5) and the sealing gasket (8) are matched to seal the upper part and the lower part of the main body cover cylinder (1), so that the contact positions of the main body cover cylinder (1), the street lamp base and the lamp post can be sealed, external small organisms and rainwater are prevented from entering, the street lamp base is prevented from being corroded, and the service life is shortened;
the purpose of using on the municipal works, protecting the street lamp base is reached.

Claims (4)

1. The utility model provides a municipal works street lamp base protection device which characterized by: the lamp holder is composed of a main body cover cylinder, flow guide grooves, flow guide sheets, buckles, a sealing ring, a dehumidification inner pad, magnesium anode blocks, a sealing gasket, a lamp holder cavity, a base cavity, a blocking sheet and a flow guide groove, wherein the main body cover cylinder is divided into two halves with equal size from the middle part, the two halves are connected through a plurality of buckles, the lamp holder cavity is arranged in the cylindrical part of the main body cover cylinder, the base cavity is arranged in the cylindrical part of the main body cover cylinder, the plurality of flow guide grooves are formed in the outer side of the main body cover cylinder at equal intervals, one ends of the plurality of flow guide sheets are arranged in the opening part of the main body cover cylinder at equal intervals and correspond to the plurality of flow guide grooves one to one, the flow guide sheets are provided with the flow guide grooves and communicated with the corresponding flow guide grooves, the sealing gasket is arranged on the inner wall of the main body cover cylinder, the sealing gasket is made of rubber, the maximum 3 magnesium anode blocks are embedded on the inner wall of, and the other end of the drainage sheet extends upwards in an inclined way for a certain distance to enable the other end of the drainage sheet to be attached to the outer surface of the lamp pole, the inlet of the drainage groove is wide, the outlet of the drainage groove is narrow, and the weight of each magnesium anode block is between 100 and 200 grams.
2. The municipal street lamp base protection device according to claim 1, wherein the body housing has a cylindrical upper portion and a frustoconical lower portion.
3. The municipal street lamp base protection device according to claim 1, wherein the width of the diversion trench gradually increases from the cylindrical opening of the body cover to the bottom of the body cover.
4. The municipal engineering street lamp base protection device according to claim 1, wherein the magnesium anode block is formed by pressing any two of magnesium and magnesium alloy, pure zinc and zinc alloy.
CN201711068418.6A 2017-11-03 2017-11-03 Municipal works street lamp base protection device Active CN107842827B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711068418.6A CN107842827B (en) 2017-11-03 2017-11-03 Municipal works street lamp base protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711068418.6A CN107842827B (en) 2017-11-03 2017-11-03 Municipal works street lamp base protection device

Publications (2)

Publication Number Publication Date
CN107842827A CN107842827A (en) 2018-03-27
CN107842827B true CN107842827B (en) 2020-05-05

Family

ID=61681310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711068418.6A Active CN107842827B (en) 2017-11-03 2017-11-03 Municipal works street lamp base protection device

Country Status (1)

Country Link
CN (1) CN107842827B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112413544A (en) * 2020-10-16 2021-02-26 成都华体慧城科技有限公司 Waterproof lamp pole and mounting method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201636821U (en) * 2010-02-01 2010-11-17 浙江浩淼科技有限公司 Inflatable lamp
KR20100128804A (en) * 2009-05-29 2010-12-08 정승현 Case structure of ballast
CN205782355U (en) * 2016-06-22 2016-12-07 杨盼盼 A kind of waterproof LED lamp erecting device
CN106989334A (en) * 2017-05-27 2017-07-28 正安县欧尚电器有限公司 Anti- pedestal corrodes street lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100128804A (en) * 2009-05-29 2010-12-08 정승현 Case structure of ballast
CN201636821U (en) * 2010-02-01 2010-11-17 浙江浩淼科技有限公司 Inflatable lamp
CN205782355U (en) * 2016-06-22 2016-12-07 杨盼盼 A kind of waterproof LED lamp erecting device
CN106989334A (en) * 2017-05-27 2017-07-28 正安县欧尚电器有限公司 Anti- pedestal corrodes street lamp

Also Published As

Publication number Publication date
CN107842827A (en) 2018-03-27

Similar Documents

Publication Publication Date Title
CN107842827B (en) Municipal works street lamp base protection device
CN106958198B (en) A kind of novel suspension cable
CN101562318A (en) Mobile type live washing device for transmission line
CN206396606U (en) A kind of construction of the highway curing means
CN209260559U (en) A kind of suspension bridge cable clamp bolt seal protecting device
CN207270610U (en) A kind of improved Anti-collision fire hydrant
CN204003250U (en) A kind of service water power generation device
CN208472594U (en) A kind of road and bridge Bridge Pier bracing means
CN208363137U (en) A kind of well cover for sewer with anti-corrosion function
CN111632783B (en) Rotary machine head with rust-proof mechanism for fog pile
CN211368764U (en) Anticorrosive waterproof construction of wind generating set crab-bolt cage subassembly
CN205803070U (en) The horizontal fixed extremely electricity flocculation decontamination apparatus of high-efficiency automatic control
CN209179074U (en) A kind of environment protecting separate type has the well lid of alarm function
CN208803563U (en) A kind of corrosion resistant construction steel structure
CN216379393U (en) Protector of hydraulic and hydroelectric engineering side slope
CN209523258U (en) A kind of building water supply and drainage pipeline
CN212926350U (en) Unit water drainage tank of thermal power factory
CN208260517U (en) The desulfurizing tower administered for environmentally friendly atmosphere
CN219752966U (en) Corrosion-resistant structure of stay cable anchor head steel strand
CN204057783U (en) A kind of hoisting crane rust protection steel structure
CN218475449U (en) Device for automatically spraying anti-oxidation coating on prebaked anode
CN216480822U (en) Prefabricated street lamp connection structure
CN105905995B (en) High-efficiency automatic control is horizontal to determine pole electric flocculation decontamination apparatus
CN208586638U (en) A kind of pile end board and photovoltaic bracket weld seam anti-corrosion mold
CN219033374U (en) Afforestation water storage device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant