CN104260195A - Box girder automatic maintaining system and application method thereof - Google Patents
Box girder automatic maintaining system and application method thereof Download PDFInfo
- Publication number
- CN104260195A CN104260195A CN201410555991.XA CN201410555991A CN104260195A CN 104260195 A CN104260195 A CN 104260195A CN 201410555991 A CN201410555991 A CN 201410555991A CN 104260195 A CN104260195 A CN 104260195A
- Authority
- CN
- China
- Prior art keywords
- backstay
- cabinet
- case beam
- track
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a box girder automatic maintaining system, comprising two parallel tracks on which a machine case is arranged, wherein the lower part of the machine case is provided with wheels with power, the wheels are matched with the tracks, a water tank is arranged in the machine case, two pumps are mounted at the bottom of the water tank, a support water pipe is mounted on each pump, the upper section of each support water pipe penetrates through the water tank, each support water pipe is mounted at one end of a horizontal pipe, two horizontal pipes are respectively positioned on two sides of the tracks, the other end of each horizontal pipe is mounted at the upper end of a side pipe, and the horizontal pipes and the side pipes are all provided with a plurality of nozzles. The box girder automatic maintaining system is applicable to maintaining the interior part of the outer side flange plate and the bottom layer girder end of the base plate of the box girder, water is uniformly sprayed to the interior part of the outer side flange plate and the bottom layer girder end of the base plate of the box girder at the lower part of the box girder, thus effectively ensuring maintenance effect; complex pipes are not need to be paved, the water spraying and maintenance operation can be completed by only moving back and forth at the lower part of the box girder, the whole box girder automatic maintaining system is convenient and rapid to disassemble and assemble.
Description
Technical field
The present invention relates to a kind of case beam curing means and method, specifically case beam automatic maintenance system and using method thereof.
Background technology
In case beam production process concrete curing not only can accelerate concrete strength increase the too early evaporation of moisture can also be prevented also to produce larger contraction distortion, there is cup shake.So the maintenance of initial stage is extremely important after concreting, maintenance should be carried out immediately after concrete final set, after Ying Yu builds, carry out maintenance immediately.Existing curing system is lay water pipe in the whole periphery of case beam, water pipe arranging nozzle, carrying out maintenance by carrying out water spray to case beam, but it is inconvenient that water pipe is laid in the positions such as the outer side wing edge intralamellar part of case beam and base plate bottom layer beam-ends, do not have the equipment of specialty; The water pipe laid is distributed in the whole outer surface of case beam, and process of deployment is complicated, and dismounting faces problem great in constructing amount equally, and the quantities of case beam maintenance is huge.The direct spray mode of the artificial aqueduct of the many employings in position such as case beam outer side wing edge intralamellar part and base plate bottom layer beam-ends, spray uneven during artificial spray maintenance, maintenance effect is not good.
Summary of the invention
For solving the problem, the object of this invention is to provide a kind of case beam automatic maintenance system and using method thereof, maintenance can be carried out to the outer side wing edge intralamellar part of case beam and base plate bottom layer beam-ends equipotential, and dismounting feature easily.
The present invention for achieving the above object, be achieved through the following technical solutions: case beam automatic maintenance system, comprise two parallel tracks, track arranges cabinet, cabinet bottom is provided with the wheel of power, wheel coordinates with track, in cabinet, water tank is set, water tank bottom installs two pumps, and each pump is installed and supports water pipe, the epimere supporting water pipe passes water tank, support one end that transverse tube installed by water pipe, two transverse tubes lay respectively at the both sides of track, and the other end of transverse tube installs the upper end of side pipe, and transverse tube and side pipe all install several shower nozzle.
For realizing object of the present invention further, can also by the following technical solutions: described two tops supporting water pipes arrange three-way pipe, and three-way pipe connects transverse tube, arranges tube connector between two three-way pipes.Described cabinet lower front one end arranges parking retainer, parking retainer comprises supporting seat, mounting torque sensor on supporting seat, torque sensor arranges moving block, moving block connection of rotating axle, turning cylinder connects one end of torsion spring, the other end of torsion spring is fixedly connected with on the shell of torque sensor, moving block installs dwang, and the free end of dwang is positioned at the sidepiece of cabinet, and the end of dwang arranges the moving runner of level; The side of track arranges several backstay, and backstay coordinates with moving runner; In water tank, water level locator is installed; Cabinet arranges PLC, and PLC connects wheel, pump, water level locator, torque sensor.Bar shaped ventilating opening is offered in described cabinet front portion, and the horizontal shape of several bar shaped ventilating openings is in a row, and the bar shaped ventilating opening on cabinet is number row, is staggered between each row.
The using method of case beam automatic maintenance system, track length direction is identical with case beam length direction, track is arranged on below case beam, track is identical with the length of case beam, track two ends arrange backstay respectively, be called end positioning bars and afterbody backstay, the several backstay of even facility in the middle part of track, be called middle part backstay, cabinet is walked by rail end, pump startup simultaneously, water is through supporting water pipe, transverse tube and side pipe are ejected to case beam by each shower nozzle, when parking retainer touches first middle part backstay, cabinet is repeatedly walked 3-5 time between first middle part backstay and end positioning bars, walk to afterbody backstay direction again, when parking retainer touches next middle part backstay, cabinet is repeatedly walked 3-5 time between a upper middle part backstay and next middle part backstay, walk to afterbody backstay direction again, after parking retainer touches afterbody backstay, in the end repeatedly walk between a middle part backstay and afterbody backstay-secondary, complete case beam automatic maintenance.
The invention has the advantages that: the present invention is applicable to the maintenance of the position such as outer side wing edge intralamellar part and base plate bottom layer beam-ends of case beam, the present invention sprays water to positions such as the outer side wing edge intralamellar part of case beam and base plate bottom layer beam-ends in the bottom of case beam, water spray evenly, effectively ensures maintenance effect; Do not need to lay complicated pipeline, only need shuttle back and forth in case beam bottom to complete wet curing operation, and integral disassembly, assembly is convenient and swift.The present invention also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention; Fig. 2 is that the A of Fig. 1 is to looking structure for amplifying schematic diagram; Fig. 3 is the I partial enlargement structural representation of Fig. 1; Fig. 4 is using state figure of the present invention.
Reference numeral: 1 cabinet 2 shower nozzle 3 side pipe 4 transverse tube 5 supports water pipe 6 wheel 7 track 8 bar shaped ventilating opening 9 backstay 10 pump 11 upper cover 12 water tank 13 supporting seat 14 torque sensor 15 moving block 16 turning cylinder 17 torsion spring 18 dwang 19 moving runner 20 tube connector 21 three-way pipe 22 water level locator 23 casees beams.
Detailed description of the invention
Case beam automatic maintenance system, as shown in Figure 1, Figure 2 and Figure 4, comprise two parallel tracks 7, the length direction of two tracks 7 is identical with case beam 23 length direction, two tracks 7 are arranged on the ground of case beam 23 bottom, track 7 is arranged cabinet 1, cabinet 1 bottom is provided with the wheel 6 of power, wheel 6 coordinates with track 7, arranges water tank 12 in cabinet 1, installs two pumps 10 bottom water tank 12, pump 10 is positioned at the bottom of water tank 12, at utmost can be inhaled outward by water, affect little by water level, add water cycle stretch-out.Each pump 10 is installed and supports water pipe 5, the epimere supporting water pipe 5 passes water tank 12, support one end that transverse tube 4 installed by water pipe 5, two transverse tubes 4 lay respectively at the both sides of track 7, transverse tube 4 is positioned at the below of the transverse slat of case beam 23, parallel with the transverse slat of case beam 23, the other end of transverse tube 4 installs the upper end of side pipe 3, side pipe 3 is positioned at the inner side of the side plate of case beam 23, keep parallel with case beam 23 side plate, transverse tube 4 and side pipe 3 all install several shower nozzle 2, shower nozzle 2 can spray by divergence expression, increase spray area large as far as possible, even with the bottom spray of guard box beam 23.Two pumps 10 acting in conjunction under general state, when running into one of them pump 10 fault, in order to ensure normal use of the present invention, described two tops supporting water pipe 5 arrange three-way pipe 21, three-way pipe 21 connects transverse tube 4, arranges tube connector 20 between two three-way pipes 21, by three-way pipe 21 and tube connector 20, a pump 10 can be supported water shunting extremely all transverse tubes 4 and the side pipe 3 raised out, ensure normal operation of the present invention; When two pumps 10 work simultaneously, can also ensure that the transverse tube 4 of both sides is identical with the hydraulic pressure in side pipe 3 by tube connector 20, make the hydraulic pressure of ejection identical, ensure that both sides are synchronously with efficiency operation.In order to ensure that the present invention normally runs, be convenient to dispel the heat in time to equipment, bar shaped ventilating opening 8 is offered in described cabinet 1 front portion, and horizontally shape is in a row for several bar shaped ventilating opening 8, and the bar shaped ventilating opening on cabinet 1 is number row, is staggered between each row.The ventilating opening 8 of long strip type forms narrower vent passages, and making wind speed pass in and out speed increases, and draught area does not change, and therefore ventilation increases, and improves the object of rapid ventilation heat exchange; Be staggered and can improve the ability of bearing external force that cabinet 1 shell offers ventilating opening place, ensure that the defencive function of cabinet 1 is constant, improve service life.
The using method of case beam automatic maintenance system, track 7 length direction is identical with case beam length direction, track 7 is arranged on below case beam, track 7 is identical with the length of case beam, track 7 two ends arrange backstay 9 respectively, be called end positioning bars and afterbody backstay, the several backstay 9 of even facility in the middle part of track 7, be called middle part backstay, cabinet 1 is walked by track 7 end, pump 10 starts simultaneously, water is through supporting water pipe 5, transverse tube 4 and side pipe 3 are ejected to case beam by each shower nozzle 2, when parking retainer touches first middle part backstay, cabinet 1 is repeatedly walked 3-5 time between first middle part backstay and end positioning bars, walk to afterbody backstay direction again, when parking retainer touches next middle part backstay, cabinet 1 is repeatedly walked 3-5 time between a upper middle part backstay and next middle part backstay, walk to afterbody backstay direction again, after parking retainer touches afterbody backstay, in the end repeatedly walk 3-5 time between a middle part backstay and afterbody backstay, complete case beam automatic maintenance.The advantage of the method is: the maintenance segmentation of case beam carried out, repeatedly spray water for every section, and the uniformity of spraying water bottom guard box beam and comprehensively covering, avoid the appearance dead angle in the maintenance of case beam; Different according to the concrete condition of every section of case beam, need the number of times sprayed to carry out operation as required, make the effect of maintenance reach best, avoid because of the waste too much causing water of spraying water, using water wisely.
In order to realize full-automatic maintenance, described cabinet 1 lower front one end arranges parking retainer, parking retainer comprises supporting seat 13, mounting torque sensor 14 on supporting seat 13, torque sensor 14 is arranged moving block 15, moving block 15 connection of rotating axle 16, turning cylinder 16 connects one end of torsion spring 17, the other end of torsion spring 17 is fixedly connected with on the shell of torque sensor 14, moving block 15 is installed dwang 18, the free end of dwang 18 is positioned at the sidepiece of cabinet 1, and the end of dwang 18 arranges the moving runner 19 of level; The side of track 7 arranges several backstay 9, and backstay 9 coordinates with moving runner 19.In water tank 12, water level locator 22 is installed; Cabinet 1 arranges PLC, and PLC connects wheel 6, pump 10, water level locator 22 and torque sensor 14.When moving runner 19 touches one of them backstay 9, dwang 18 is driven to deflect, turning cylinder 16 is rotated, torque sensor 14 senses that signal passes to PLC after rotating by turning cylinder 16, PLC controls cabinet 1 and runs between respective rail 7, and control pump 10 carries out wet curing operation simultaneously.When water level locator 22 detects that water level is lower, by Signal transmissions to PLC, PLC controls the end that the present invention moves to track and adds water.
Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The technology contents of the not detailed description of the present invention is known technology.
Claims (5)
1. case beam automatic maintenance system, it is characterized in that: comprise two parallel tracks (7), track (7) is arranged cabinet (1), cabinet (1) bottom is provided with the wheel (6) of power, wheel (6) coordinates with track (7), water tank (12) is set in cabinet (1), two pumps (10) are installed in water tank (12) bottom, the upper installation of each pump (10) supports water pipe (5), the epimere supporting water pipe (5) passes water tank (12), support one end that transverse tube (4) installed by water pipe (5), two transverse tubes (4) lay respectively at the both sides of track (7), the other end of transverse tube (4) installs the upper end of side pipe (3), transverse tube (4) and side pipe (3) all install several shower nozzle (2).
2. case beam automatic maintenance system according to claim 1, it is characterized in that: described two tops supporting water pipe (5) arrange three-way pipe (21), three-way pipe (21) connects transverse tube (4), arranges tube connector (20) between two three-way pipes (21).
3. case beam automatic maintenance system according to claim 1, it is characterized in that: described cabinet (1) lower front one end arranges parking retainer, parking retainer comprises supporting seat (13), the upper mounting torque sensor (14) of supporting seat (13), torque sensor (14) is arranged moving block (15), moving block (15) connection of rotating axle (16), turning cylinder (16) connects one end of torsion spring (17), the other end of torsion spring (17) is fixedly connected with on the shell of torque sensor (14), moving block (15) is installed dwang (18), the free end of dwang (18) is positioned at the sidepiece of cabinet (1), the end of dwang (18) arranges the moving runner (19) of level, the side of track (7) arranges several backstay (9), and backstay (9) coordinates with moving runner (19), in water tank (12), water level locator (22) is installed, cabinet (1) arranges PLC, and PLC connects wheel (6), pump (10), water level locator (22), torque sensor (14).
4. case beam automatic maintenance system according to claim 1, it is characterized in that: bar shaped ventilating opening (8) is offered in described cabinet (1) front portion, horizontally shape is in a row for several bar shaped ventilating opening (8), and the bar shaped ventilating opening on cabinet (1) is number row, is staggered between each row.
5. the using method of case beam automatic maintenance system, it is characterized in that: track (7) length direction is identical with case beam length direction, track (7) is arranged on below case beam, track (7) is identical with the length of case beam, track (7) two ends arrange backstay (9) respectively, be called end positioning bars and afterbody backstay, track (7) the middle part evenly several backstay of facility (9), is called middle part backstay, cabinet (1) is walked by track (7) end, pump (10) starts simultaneously, water is through supporting water pipe (5), transverse tube (4) and side pipe (3) are ejected to case beam by each shower nozzle (2), when parking retainer touches first middle part backstay, cabinet (1) is repeatedly walked 3-5 time between first middle part backstay and end positioning bars, walk to afterbody backstay direction again, when parking retainer touches next middle part backstay, cabinet (1) is repeatedly walked 3-5 time between a upper middle part backstay and next middle part backstay, walk to afterbody backstay direction again, after parking retainer touches afterbody backstay, in the end repeatedly walk 3-5 time between a middle part backstay and afterbody backstay, complete case beam automatic maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555991.XA CN104260195B (en) | 2014-10-20 | 2014-10-20 | Box beam automatic maintenance system and its using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555991.XA CN104260195B (en) | 2014-10-20 | 2014-10-20 | Box beam automatic maintenance system and its using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104260195A true CN104260195A (en) | 2015-01-07 |
| CN104260195B CN104260195B (en) | 2017-03-08 |
Family
ID=52151839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410555991.XA Active CN104260195B (en) | 2014-10-20 | 2014-10-20 | Box beam automatic maintenance system and its using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104260195B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818255A (en) * | 2016-06-10 | 2016-08-03 | 朱林学 | Double-face spraying device and method for high-speed rail precast box beam |
| CN105856406A (en) * | 2016-06-10 | 2016-08-17 | 朱凤玲 | Double-side humidifying device and method for high-speed rail precast bridge |
| CN105856403A (en) * | 2016-06-10 | 2016-08-17 | 于永飞 | Double-side spraying and maintaining device and method for high-speed rail precast bridge |
| CN106054726A (en) * | 2016-06-30 | 2016-10-26 | 长安大学 | Internet-of-things-based mobile spraying vehicle group control system and method |
| CN106891433A (en) * | 2017-03-02 | 2017-06-27 | 上海建工材料工程有限公司 | A kind of Precast Concrete Box Girder comb board fixer |
| CN107053444A (en) * | 2016-12-09 | 2017-08-18 | 中铁十局集团有限公司 | A kind of box beam automatic spraying device |
| CN108068206A (en) * | 2017-12-19 | 2018-05-25 | 中铁局集团天津建设工程有限公司 | The spray pipe network support device of concrete curing and its automation curing system |
| CN105856405B (en) * | 2016-06-10 | 2018-07-27 | 朱子毅 | A kind of two-sided curing means and method of high ferro precast bridge |
| CN105856404B (en) * | 2016-06-10 | 2018-07-27 | 朱红英 | A kind of two-sided spray equipment and method of high ferro precast bridge |
| CN108356967A (en) * | 2018-02-28 | 2018-08-03 | 贵州工程应用技术学院 | A kind of high ferro precast bridge multi-angle spray equipment |
| CN113997399A (en) * | 2021-09-10 | 2022-02-01 | 中国铁路设计集团有限公司 | Special integrated distributed spray head assembly for special-shaped space curved surface special spraying |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19625305A1 (en) * | 1996-06-25 | 1998-01-02 | Dyckerhoff & Widmann Ag | Magnetic suspension track support stands |
| CN102912729A (en) * | 2012-11-02 | 2013-02-06 | 中铁十九局集团有限公司 | Automatic curing equipment for mobile formwork cast-in-place box girder concrete |
| CN203309519U (en) * | 2013-06-28 | 2013-11-27 | 湖南天一金岳矿业有限公司 | Two-in-one anti-backflow type pipeline combiner |
| CN204109133U (en) * | 2014-10-20 | 2015-01-21 | 中铁十四局集团有限公司 | Case beam automatic maintenance system |
-
2014
- 2014-10-20 CN CN201410555991.XA patent/CN104260195B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19625305A1 (en) * | 1996-06-25 | 1998-01-02 | Dyckerhoff & Widmann Ag | Magnetic suspension track support stands |
| CN102912729A (en) * | 2012-11-02 | 2013-02-06 | 中铁十九局集团有限公司 | Automatic curing equipment for mobile formwork cast-in-place box girder concrete |
| CN203309519U (en) * | 2013-06-28 | 2013-11-27 | 湖南天一金岳矿业有限公司 | Two-in-one anti-backflow type pipeline combiner |
| CN204109133U (en) * | 2014-10-20 | 2015-01-21 | 中铁十四局集团有限公司 | Case beam automatic maintenance system |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856406B (en) * | 2016-06-10 | 2018-07-27 | 朱凤玲 | A kind of two-sided humidification apparatus and method of high ferro precast bridge |
| CN105856406A (en) * | 2016-06-10 | 2016-08-17 | 朱凤玲 | Double-side humidifying device and method for high-speed rail precast bridge |
| CN105856403A (en) * | 2016-06-10 | 2016-08-17 | 于永飞 | Double-side spraying and maintaining device and method for high-speed rail precast bridge |
| CN105818255A (en) * | 2016-06-10 | 2016-08-03 | 朱林学 | Double-face spraying device and method for high-speed rail precast box beam |
| CN105856403B (en) * | 2016-06-10 | 2018-08-10 | 于永飞 | A kind of two-sided spray maintenance device and method of high ferro prefabricated case beam |
| CN105856404B (en) * | 2016-06-10 | 2018-07-27 | 朱红英 | A kind of two-sided spray equipment and method of high ferro precast bridge |
| CN105856405B (en) * | 2016-06-10 | 2018-07-27 | 朱子毅 | A kind of two-sided curing means and method of high ferro precast bridge |
| CN106054726B (en) * | 2016-06-30 | 2019-06-28 | 长安大学 | Mobile spray vehicle group control system and method based on Internet of Things |
| CN106054726A (en) * | 2016-06-30 | 2016-10-26 | 长安大学 | Internet-of-things-based mobile spraying vehicle group control system and method |
| CN107053444A (en) * | 2016-12-09 | 2017-08-18 | 中铁十局集团有限公司 | A kind of box beam automatic spraying device |
| CN106891433A (en) * | 2017-03-02 | 2017-06-27 | 上海建工材料工程有限公司 | A kind of Precast Concrete Box Girder comb board fixer |
| CN106891433B (en) * | 2017-03-02 | 2019-09-03 | 上海建工材料工程有限公司 | A kind of Precast Concrete Box Girder comb board fixer |
| CN108068206A (en) * | 2017-12-19 | 2018-05-25 | 中铁局集团天津建设工程有限公司 | The spray pipe network support device of concrete curing and its automation curing system |
| CN108356967A (en) * | 2018-02-28 | 2018-08-03 | 贵州工程应用技术学院 | A kind of high ferro precast bridge multi-angle spray equipment |
| CN108356967B (en) * | 2018-02-28 | 2019-09-06 | 贵州工程应用技术学院 | A kind of high-speed rail precast bridge multi-angle spray equipment |
| CN113997399A (en) * | 2021-09-10 | 2022-02-01 | 中国铁路设计集团有限公司 | Special integrated distributed spray head assembly for special-shaped space curved surface special spraying |
| CN113997399B (en) * | 2021-09-10 | 2022-11-18 | 中国铁路设计集团有限公司 | Special integrated distributed spray head assembly for special-shaped space curved surface special spraying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260195B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104260195A (en) | Box girder automatic maintaining system and application method thereof | |
| CN204149309U (en) | Tunnel double-lining maintenance dedusting spray chassis | |
| CN206902526U (en) | A kind of road line marker | |
| CN107575247B (en) | Tunnel arch wall steam maintenance trolley | |
| CN102729325A (en) | Full-automatic monitoring, early warning, temperature control, moisturizing and curing system and method for prefabricated immersed tube sections | |
| CN204842067U (en) | Automobile frame priming paint intelligence paint spraying apparatus | |
| CN107053444A (en) | A kind of box beam automatic spraying device | |
| CN204109133U (en) | Case beam automatic maintenance system | |
| CN104972554A (en) | Automatic spray and maintenance system for T-shaped prefabricated beam | |
| CN108252525A (en) | A kind of concrete vertical structure intelligent spray curing system and method | |
| CN102912758A (en) | Track cleaning and maintaining vehicle | |
| CN205277442U (en) | A movable automatic spraying system for tunnel concrete maintenance | |
| CN202050760U (en) | Movable irrigating machine | |
| CN105098679A (en) | Combined upright post for cable bridge | |
| CN204123687U (en) | Fiber winding machine is wound around platform | |
| CN203766720U (en) | Hot air supply device used for rapid ice melting and snow removing system at bottom of high-speed train | |
| CN110685715B (en) | Automatic change tunnel secondary lining and spray maintenance platform truck | |
| CN207944353U (en) | A kind of cantilever box beam automatic spray curing means | |
| CN104535268A (en) | Air-conditioner waterproof airtightness testing system and method | |
| CN208230161U (en) | Automatic spraying device and box beam curing system | |
| CN216157247U (en) | Novel roof maintenance structure | |
| CN215482967U (en) | Hydraulic engineering is curing means for construction concrete | |
| RU2497348C1 (en) | Irrigation system | |
| CN202366839U (en) | Novel pipe distribution frame | |
| CN108301844B (en) | Tunnel is with spraying maintenance support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |