CN112195790A - Automatic spraying and maintaining device for high pier of bridge - Google Patents
Automatic spraying and maintaining device for high pier of bridge Download PDFInfo
- Publication number
- CN112195790A CN112195790A CN202011087053.3A CN202011087053A CN112195790A CN 112195790 A CN112195790 A CN 112195790A CN 202011087053 A CN202011087053 A CN 202011087053A CN 112195790 A CN112195790 A CN 112195790A
- Authority
- CN
- China
- Prior art keywords
- spraying
- plate
- spray
- fixed
- top end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
- B05B15/16—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for preventing non-intended contact between spray heads or nozzles and foreign bodies, e.g. nozzle guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an automatic spraying maintenance device for a high pier of a bridge, which comprises a bottom plate, a water injection pipe, a sleeve, a spraying structure, a spraying pipe, a top block, a spraying head, a protective cover, spraying holes, a pressure spring, a top plate and a protective plate. The invention has the beneficial effects that: the inside in hole that sprays is got into behind the inside of sleeve pipe to rivers entering, it makes pressure spring shrink produce elasticity to strike to slide on the shower head, the shower head slides the inside wall that the kicking block was kept away from on driving the slide in the hole that sprays on the slide, make the shower head hit the roof simultaneously, make the roof slide in the protection casing inside and keep away from the guard plate, at this moment, water high pressure gets into the inside protection plate that dashes towards in the hole that sprays, impact the guard plate and rotate towards high mound, to the top of rivers direction towards high mound, spray high mound top, make the bottom that water flowed to high mound from high mound top, maintain high mound, prevent high mound fracture, shelter from the shower head through the guard plate, prevent that the dust from covering at the shower.
Description
Technical Field
The invention relates to a spray maintenance device, in particular to an automatic spray maintenance device for a high pier of a bridge, and belongs to the technical field of spray maintenance.
Background
After the construction of the concrete of the high pier of the highway bridge is completed, water spraying maintenance treatment is needed, the surface of the concrete is kept wet in the maintenance process, the hydration performance of the cement is guaranteed to be smoothly carried out, if the maintenance is not timely, after the water loss of the surface of the concrete, the hydration reaction of the cement is stopped, and the surface of the concrete is easy to shrink cracks, so that the structural strength is influenced, and the concrete is prevented from cracking.
However, when the traditional high pier spraying and maintaining device is used, the spray head is exposed in the air and is easy to contact with dust and other sundries in the air, so that the spray head is blocked, and the spray head is exposed in the air for a long time and is easy to oxidize, so that the high pier spraying and maintaining difficulty is caused.
Disclosure of Invention
The invention aims to solve the problems and provide the automatic spraying maintenance device for the high pier of the bridge, which is beneficial to protecting a spray head, preventing the spray head from being blocked and being beneficial to periodically spraying and maintaining the high pier of the bridge.
The invention realizes the aim through the following technical scheme, the automatic spraying maintenance device for the high pier of the bridge comprises a bottom plate, a sleeve is fixed at the top end of the bottom plate, a water injection pipe is fixed on the side wall of the sleeve, the sleeve is connected with a spraying structure, the spraying structure comprises a spraying pipe, a top block, a spraying head, a protective cover, spraying holes, a pressure spring, a top plate and a protective plate, the spraying pipe is fixed at the top end of the sleeve, the top block is fixed at the top end of the spraying pipe, the spraying pipe is connected with the spraying head in a sliding manner, the spraying head is connected with the top block in a sliding manner, the spraying holes are formed in the inner side wall of the spraying head, the top end of the spraying holes is abutted against the inner side wall of the top block, the pressure spring is fixed between the spraying head and the top block, the protective cover in a circular truncated cone structure is fixed at the, the protection casing rotates to be connected with the guard plate, the guard plate is located the top in hole sprays, protection casing sliding connection has the roof, the lateral wall of roof with the lateral wall of guard plate is contradicted.
Preferably, in order to facilitate the impact of the protection plate by water current, the protection plate is perpendicular to a sidewall of a top end of the spray hole, the top end of the spray hole facing the protection plate.
Preferably, in order to facilitate the spray maintenance of the high pier, the spray holes are communicated with the inside of the spray pipe, and the cross section of the bottom ends of the spray holes is in a triangular structure.
Preferably, in order to facilitate the protection of the spray header, the side wall of the top end of the spray hole is parallel to the side wall of the protective cover, and the diameter of the top end of the protective cover is larger than that of the spray pipe.
Preferably, in order to make the roof slide the back and can reset conflict guard plate, the protection casing is connected with auxiliary structure, auxiliary structure includes reset spring, the protection casing with be fixed with between the roof reset spring, the roof is located the top of shower head.
Preferably, in order to improve water pressure, the auxiliary structure further comprises an adjusting plate and a through hole, the inner side wall of the spraying pipe is fixed with two of the adjusting plate, two of the inner side wall of the adjusting plate is provided with a plurality of the through holes.
Preferably, in order to make whole device fixed for the convenience, auxiliary structure still includes inserted bar, arch and stopper, the bottom mounting of bottom plate has the inserted bar, the lateral wall of inserted bar is fixed with the arch, the bottom mounting of bottom plate has a plurality of triangle-shaped structures the stopper.
The invention has the beneficial effects that: the invention enters the interior of the spray hole after water flow enters the interior of the sleeve, the pressure spring is contracted to generate elastic force by impacting the upward sliding of the spray head, the spray head is driven to slide upward after sliding upward to drive the spray hole to slide away from the inner side wall of the top block, meanwhile, the spray head is enabled to impact the top plate, the top plate slides upward in the interior of the protective cover to be away from the protective plate, then water high pressure enters the interior of the spray hole to impact the protective plate, the impact protective plate rotates towards the high pier, the water flow is guided to impact the top end of the high pier to spray the top end of the high pier, so that the water flows from the top end of the high pier to the bottom end of the high pier, the high pier is maintained to prevent the high pier from cracking, after the high pier is sprayed, the water injection is stopped in the water injection pipe, the spray head is reset to slide into the interior of the spray pipe through the elastic force of the pressure spring, at this moment, the protection plate rotates through self gravity and resets, and the roof gliding resets the lateral wall of conflict protection plate simultaneously, makes the protection plate fixed, shelters from the shower head, prevents that the dust from covering at the shower head lateral wall, further prevents to spray the hole and blocks up, does benefit to many times and carries out the high mound and spray, increases high mound maintenance effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing a connection structure of the base plate, the water injection pipe and the spray structure shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view of a coupling structure of the base plate, the bushing and the auxiliary structure shown in fig. 1.
In the figure: 1. the water injection device comprises a bottom plate, 2, a water injection pipe, 3, a sleeve, 4, a spraying structure, 41, a spraying pipe, 42, a top block, 43, a spraying head, 44, a protective cover, 45, a spraying hole, 46, a pressure spring, 47, a top plate, 48, a protective plate, 5, an auxiliary structure, 51, an inserting rod, 52, a protrusion, 53, a reset spring, 54, an adjusting plate, 55, a through hole, 56 and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an automatic spraying maintenance device for a bridge high pier comprises a bottom plate 1, a sleeve 3 is fixed on the top end of the bottom plate 1, a water injection pipe 2 is fixed on the side wall of the sleeve 3, the sleeve 3 is connected with a spraying structure 4, the spraying structure 4 comprises a spraying pipe 41, a top block 42, a spraying head 43, a protective cover 44, spraying holes 45, a pressure spring 46, a top plate 47 and a protective plate 48, the spraying pipe 41 is fixed on the top end of the sleeve 3, the top block 42 is fixed on the top end of the spraying pipe 41, the spraying head 43 is connected with the spraying pipe 41 in a sliding manner, the spraying head 43 is connected with the top block 42 in a sliding manner, the spraying holes 45 are formed in the inner side wall of the spraying head 43, the top ends of the spraying holes 45 abut against the inner side wall of the top block 42, the pressure spring 46 is fixed between the spraying head 43 and the top block 42, the top of shower 41 is fixed with and is the round platform structure protection casing 44, protection casing 44 rotates to be connected with protection plate 48, protection plate 48 is located spray the top of hole 45, protection casing 44 sliding connection has roof 47, the lateral wall of roof 47 with protection plate 48's lateral wall is contradicted.
As a technical optimization scheme of the present invention, the protection plate 48 is perpendicular to the side wall of the top end of the spray hole 45, and the top end of the spray hole 45 faces the protection plate 48.
As a technical optimization scheme of the present invention, the spraying holes 45 are communicated with the inside of the spraying pipe 41, and the cross section of the bottom end of the spraying hole 45 is in a triangular structure.
As a technical optimization scheme of the present invention, the side wall of the top end of the spraying hole 45 is parallel to the side wall of the protective cover 44, and the diameter of the top end of the protective cover 44 is larger than the diameter of the spraying pipe 41.
As a technical optimization scheme of the present invention, the protective cover 44 is connected to an auxiliary structure 5, the auxiliary structure 5 includes a return spring 53, the return spring 53 is fixed between the protective cover 44 and the top plate 47, and the top plate 47 is located at the top end of the shower head 43.
As a technical optimization scheme of the present invention, the auxiliary structure 5 further includes an adjusting plate 54 and through holes 55, two adjusting plates 54 are fixed on the inner side walls of the shower pipe 41, and a plurality of through holes 55 are respectively formed on the inner side walls of the two adjusting plates 54.
As a technical optimization scheme of the present invention, the auxiliary structure 5 further includes an insertion rod 51, a protrusion 52 and a limiting block 56, the insertion rod 51 is fixed at the bottom end of the bottom plate 1, the protrusion 52 is fixed on a side wall of the insertion rod 51, and a plurality of limiting blocks 56 in a triangular structure are fixed at the bottom end of the bottom plate 1.
When the invention is used, a worker inserts the insertion rod 51 at the position far away from the high pier at the bottom end of the bridge, so that the top end of the spray hole 45 faces the top end of the high pier, the contact surface of the insertion rod 51 and the ground is increased through the bulge 52, the friction force between the bottom plate 1 and the ground is increased through the limiting block 56, the stability is improved, water enters the water injection pipe 2 through the external water pipe of the water injection pipe 2 under high pressure and enters the interior of the sleeve 3, water enters the interior of the spray hole 45 after entering the interior of the sleeve 3, the pressure spring 46 is contracted to generate elastic force by impacting the spray head 43 to slide upwards to drive the spray hole 45 to slide upwards to be far away from the inner side wall of the top block 42, meanwhile, the spray head 43 impacts the top plate 47 to enable the top plate 47 to slide upwards to be far away from the protection plate 48 in the interior of the protection cover 44, at the moment, the water flow is guided to impact the top end of the high pier, the top end of the high pier is sprayed, so that the water flows from the top end of the high pier to the bottom end of the high pier, the high piers are maintained to prevent the high piers from cracking, after the high piers are sprayed, the water injection pipe 2 stops injecting water, the spray header 43 is reset by the elastic force of the pressure spring 46 and slides into the spray pipe 41, the spray holes 45 slide into the spray pipe 41, the top blocks 42 block the top ends of the spray holes 45, the spraying holes 45 are protected to prevent the spraying holes 45 from being blocked, at the moment, the protection plate 48 rotates and resets through self gravity, meanwhile, the top plate 47 is pushed by the elastic force of the return spring 53 to slide downwards to be restored and abut against the side wall of the protection plate 48, so that the protection plate 48 is fixed, the spray header 43 is shielded, dust is prevented from covering the side wall of the spray header 43, the spray holes 45 are further prevented from being blocked, high pier spraying is conducted for multiple times, and high pier maintenance effect is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a high mound automatic spray curing means of bridge, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is fixed with a sleeve (3), the side wall of the sleeve (3) is fixed with a water injection pipe (2), the sleeve (3) is connected with a spray structure (4), the spray structure (4) comprises a spray pipe (41), a top block (42), a spray head (43), a protective cover (44), spray holes (45), a pressure spring (46), a top plate (47) and a protective plate (48), the top end of the sleeve (3) is fixed with the spray pipe (41), the top end of the spray pipe (41) is fixed with the top block (42), the spray pipe (41) is slidably connected with the spray head (43), the spray head (43) is slidably connected with the top block (42), the spray holes (45) are formed in the inner side wall of the spray head (43), the top end of the spray holes (45) is abutted to the inner side wall of the top block (42), shower head (43) with be fixed with between kicking block (42) compression spring (46), the top of shower (41) is fixed with and is the round platform structure protection casing (44), protection casing (44) rotate and are connected with protection plate (48), protection plate (48) are located the top of spraying hole (45), protection casing (44) sliding connection has roof (47), the lateral wall of roof (47) with the lateral wall of protection plate (48) is contradicted.
2. The automatic spraying maintenance device for the high pier of the bridge according to claim 1, characterized in that: the protection plate (48) is perpendicular to the side wall of the top end of the spraying hole (45), and the top end of the spraying hole (45) faces the protection plate (48).
3. The automatic spraying maintenance device for the high pier of the bridge according to claim 1, characterized in that: the spraying holes (45) are communicated with the inside of the spraying pipe (41), and the cross section of the bottom end of each spraying hole (45) is of a triangular structure.
4. The automatic spraying maintenance device for the high pier of the bridge according to claim 1, characterized in that: the side wall of the top end of the spraying hole (45) is parallel to the side wall of the protective cover (44), and the diameter of the top end of the protective cover (44) is larger than that of the spraying pipe (41).
5. The automatic spraying maintenance device for the high pier of the bridge according to claim 1, characterized in that: protection casing (44) are connected with auxiliary structure (5), auxiliary structure (5) include return spring (53), protection casing (44) with be fixed with between roof (47) return spring (53), roof (47) are located the top of shower head (43).
6. The automatic spraying maintenance device for the high pier of the bridge according to claim 5, wherein: auxiliary structure (5) still include regulating plate (54) and through-hole (55), the inside wall of shower (41) is fixed with two regulating plate (54), two a plurality ofly have all been seted up to the inside wall of regulating plate (54) through-hole (55).
7. The automatic spraying maintenance device for the high pier of the bridge according to claim 6, wherein: auxiliary structure (5) still include inserted bar (51), arch (52) and stopper (56), the bottom mounting of bottom plate (1) has inserted bar (51), the lateral wall of inserted bar (51) is fixed with arch (52), the bottom mounting of bottom plate (1) has a plurality ofly to be the triangle-shaped structure stopper (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087053.3A CN112195790A (en) | 2020-10-12 | 2020-10-12 | Automatic spraying and maintaining device for high pier of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011087053.3A CN112195790A (en) | 2020-10-12 | 2020-10-12 | Automatic spraying and maintaining device for high pier of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112195790A true CN112195790A (en) | 2021-01-08 |
Family
ID=74008596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011087053.3A Pending CN112195790A (en) | 2020-10-12 | 2020-10-12 | Automatic spraying and maintaining device for high pier of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112195790A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958145A (en) * | 2021-10-13 | 2022-01-21 | 中建八局第一建设有限公司 | Concrete column maintenance device capable of being remotely controlled and application method thereof |
| CN114011226A (en) * | 2021-11-08 | 2022-02-08 | 深圳市锦坚环保科技有限公司 | Deodorization purifier that waste gas treatment engineering was used |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5188647B1 (en) * | 2012-11-14 | 2013-04-24 | 株式会社白海 | Curing management system for concrete structures |
| CN106087749A (en) * | 2016-06-21 | 2016-11-09 | 中建市政工程有限公司 | Maintenance method and maintenance device for water-saving bridge pier column |
| CN107088493A (en) * | 2017-07-01 | 2017-08-25 | 张小云 | A kind of mobile landscape fountain apparatus |
| CN206587947U (en) * | 2016-12-31 | 2017-10-27 | 天津市丰海源科技有限公司 | The concealed Irrigation shower head of hydraulic pressure control |
| KR101921657B1 (en) * | 2017-11-28 | 2018-11-26 | 한국철도기술연구원 | Heating system for concrete curing using microwave and construction method of concrete structure using the same |
| CN208743298U (en) * | 2018-07-17 | 2019-04-16 | 湖北汇金环保装备有限公司 | The spray head washed for compressor compresses case side blow |
| CN110820593A (en) * | 2019-12-05 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Auxiliary maintenance system and maintenance method for installation of solid pier body |
| CN210131752U (en) * | 2019-05-20 | 2020-03-10 | 桂林师范高等专科学校 | Blowout device for environmental design |
| CN111248068A (en) * | 2020-02-25 | 2020-06-09 | 丁乙飞 | Irrigation system for recycling garden maintenance water resources |
| CN211036706U (en) * | 2020-05-13 | 2020-07-17 | 中交二公局第三工程有限公司 | High mound curing means of bridge |
| CN211035724U (en) * | 2019-11-18 | 2020-07-17 | 中建新疆建工集团第五建筑工程有限公司 | Automatic sprinkler for concrete curing |
| CN211068874U (en) * | 2019-11-15 | 2020-07-24 | 兴化市泰龙消防器材有限公司 | Fire control foam gun nozzle |
| CN111672647A (en) * | 2020-07-31 | 2020-09-18 | 湖北省清江路桥建筑有限公司 | Spray maintenance telescopic spray head |
-
2020
- 2020-10-12 CN CN202011087053.3A patent/CN112195790A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5188647B1 (en) * | 2012-11-14 | 2013-04-24 | 株式会社白海 | Curing management system for concrete structures |
| CN106087749A (en) * | 2016-06-21 | 2016-11-09 | 中建市政工程有限公司 | Maintenance method and maintenance device for water-saving bridge pier column |
| CN206587947U (en) * | 2016-12-31 | 2017-10-27 | 天津市丰海源科技有限公司 | The concealed Irrigation shower head of hydraulic pressure control |
| CN107088493A (en) * | 2017-07-01 | 2017-08-25 | 张小云 | A kind of mobile landscape fountain apparatus |
| KR101921657B1 (en) * | 2017-11-28 | 2018-11-26 | 한국철도기술연구원 | Heating system for concrete curing using microwave and construction method of concrete structure using the same |
| CN208743298U (en) * | 2018-07-17 | 2019-04-16 | 湖北汇金环保装备有限公司 | The spray head washed for compressor compresses case side blow |
| CN210131752U (en) * | 2019-05-20 | 2020-03-10 | 桂林师范高等专科学校 | Blowout device for environmental design |
| CN211068874U (en) * | 2019-11-15 | 2020-07-24 | 兴化市泰龙消防器材有限公司 | Fire control foam gun nozzle |
| CN211035724U (en) * | 2019-11-18 | 2020-07-17 | 中建新疆建工集团第五建筑工程有限公司 | Automatic sprinkler for concrete curing |
| CN110820593A (en) * | 2019-12-05 | 2020-02-21 | 中国铁建大桥工程局集团有限公司 | Auxiliary maintenance system and maintenance method for installation of solid pier body |
| CN111248068A (en) * | 2020-02-25 | 2020-06-09 | 丁乙飞 | Irrigation system for recycling garden maintenance water resources |
| CN211036706U (en) * | 2020-05-13 | 2020-07-17 | 中交二公局第三工程有限公司 | High mound curing means of bridge |
| CN111672647A (en) * | 2020-07-31 | 2020-09-18 | 湖北省清江路桥建筑有限公司 | Spray maintenance telescopic spray head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958145A (en) * | 2021-10-13 | 2022-01-21 | 中建八局第一建设有限公司 | Concrete column maintenance device capable of being remotely controlled and application method thereof |
| CN114011226A (en) * | 2021-11-08 | 2022-02-08 | 深圳市锦坚环保科技有限公司 | Deodorization purifier that waste gas treatment engineering was used |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112195790A (en) | Automatic spraying and maintaining device for high pier of bridge | |
| CN213571783U (en) | Slope protection net for hydraulic engineering that protecting effect is good | |
| KR102203872B1 (en) | Vertical stop device for monorail system | |
| CN205501936U (en) | Block facility in river course | |
| CN205474992U (en) | Municipal guardrail of spraying dust fall | |
| CN215978570U (en) | Building construction protector | |
| CN108331131B (en) | Device for avoiding urban drainage pipeline inflow ventilation shaft blowout | |
| CN203782544U (en) | Combined bracket for river-crossing section of elevated bridge | |
| CN106212079A (en) | A kind of all-purpose road greening box | |
| CN213267996U (en) | Municipal administration retaining wall structure | |
| CN210066645U (en) | Cement prefabricated plate for slope protection | |
| CN210482174U (en) | Dust device of construction road | |
| CN209873802U (en) | Foundation slope sprayed concrete anti-splash structure | |
| CN209399990U (en) | Open-air surface observation mound structure | |
| CN208749127U (en) | A kind of efficient assembled safety barrier for edge protection | |
| CN107893434B (en) | A kind of road safety well | |
| CN218204079U (en) | Road guardrail anti-block | |
| CN216787306U (en) | Outdoor anticollision formula fire hydrant | |
| CN219137394U (en) | Flower basket type guardrail convenient to fix | |
| CN214994856U (en) | External attached energy dissipation and shock absorption structure of existing building structure | |
| CN217104959U (en) | Concrete gravity dam structure | |
| CN216665096U (en) | Socket type shaping protective railing | |
| CN216474717U (en) | Anti-collision isolation pier | |
| CN210086131U (en) | Bridge protector for municipal works | |
| CN213267746U (en) | Water retaining dam structure |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |
|
| RJ01 | Rejection of invention patent application after publication |