CN216884520U - A high-efficient spray set for maintenance of prefabricated box girder - Google Patents
A high-efficient spray set for maintenance of prefabricated box girder Download PDFInfo
- Publication number
- CN216884520U CN216884520U CN202122503418.2U CN202122503418U CN216884520U CN 216884520 U CN216884520 U CN 216884520U CN 202122503418 U CN202122503418 U CN 202122503418U CN 216884520 U CN216884520 U CN 216884520U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- water
- spraying
- water tank
- spray
- 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
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 28
- 239000007921 spray Substances 0.000 title claims description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 139
- 238000005507 spraying Methods 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 4
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000001723 curing Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010061224 Limb discomfort Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 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 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of bridge building construction, in particular to a high-efficiency spraying device for maintaining a prefabricated box girder. The water tank spraying device comprises a track, and a walking spraying vehicle, the walking spraying vehicle comprises a spraying vehicle body, a spraying assembly arranged in the spraying vehicle body, walking wheels and a power mechanism, the spraying assembly comprises a water tank and a water pump, the spraying assembly further comprises a rotary spraying pipeline connected with the water tank, the rotary spraying pipeline comprises an outer pipeline vertically arranged above the water tank and rotatably connected with the water outlet end of the water tank through a bearing, an inner pipeline communicated with the water tank and arranged in the outer pipeline, and a driving mechanism, an accommodating cavity is arranged between the outer pipeline and the inner pipeline, a waterproof layer is arranged above the bottom bearing of the accommodating cavity and the water outlet end of the water tank, and a spraying hole is formed in the outer pipeline. The utility model has the advantages of simple structure, reasonable design, time and labor saving, uniform spraying, improvement on construction efficiency, water saving, construction cost saving and guarantee on maintenance quality of the prefabricated box girder.
Description
Technical Field
The utility model relates to the technical field of bridge building construction, in particular to a high-efficiency spraying device for maintaining a prefabricated box girder.
Background
The road bridge is an important junction for transportation, and the safety of the road bridge is the safety of lives and properties of people, which is concerned with the daily travel of people. With the rapid development of bridge construction in China, the technical level of bridge engineering design and construction is continuously improved, and the structural forms of bridges are complex and various. The prefabricated box girder has the advantages of light structure, small building height, less reinforcing bars, higher construction speed than a cast-in-place box girder, and the like, and is generally used in high-speed railway bridges.
As is known, the box girder has the advantages of large section torsional strength and bending strength, reasonable bending stress pattern, small shearing stress, good stability and the like, and occupies more and more important positions in bridge engineering construction in China at present. In addition to factors such as mix proportion design, raw material quality and pouring construction process of the concrete, curing after forming on the concrete has great influence on strength formation. The concrete is sensitive to the change of temperature and humidity in the hardening process, if the concrete is not maintained properly or timely, the moisture on the upper surface of the concrete is lost too fast, and the box girder cracks before form removal and even final setting, which directly influences the strength and durability of the box girder and even influences the structure safety. Therefore, the maintenance of the precast box girder needs to be particularly emphasized.
Most of traditional box girder curing methods are directly covered by straw mat or regenerated cotton, and then manual spraying is adopted to keep the top plate moist. The manual work that adopts is more, and the water yield is great, especially when the box girder is more, need constantly to make a round trip to spray, receives operator's working attitude and other factors to influence moreover, produces the inhomogeneous of watering volume easily, especially the web lacks the effective measure of moisturizing again, forms the dry-wet circulation easily, can't accomplish all-round moist health preserving basically, has not only wasted a large amount of manpowers and water, and the effect is also very poor.
Although some construction workers currently think of burying and fixing spray heads at two sides of a beam-making pedestal to maintain a box girder web, water pipes are laid at the top of the beam to maintain the box girder web, and the box is controlled by using a switch box. However, the method uses more manpower, the number of the installed spray heads is large, the spray heads are easy to damage, the construction and maintenance work is inconvenient, occasionally, the maintenance leakage phenomenon occurs, the box girder web plate, the top plate and the flange plate generate local cracks, and the service life of the girder body is influenced. In order to ensure that the maintenance work is carried out smoothly and meet the requirements of the current prefabricated beam on large-scale production and quality, the spraying maintenance system cannot meet the requirements of large-scale production.
Patent CN 212146919U discloses a prefabricated box girder automatic spray curing means, including prefabricated box girder body, vertical spray nozzle transversely spouts the row, vertically spouts the row, transversely sprays the mouth, and metal collapsible tube, suction pump, anti-pollution waste water collection strain the miscellaneous circulation case structure, level sensor, settling tank, suction pump, sludge discharge pipe, waterproof wiring row, detachable dust-proof maintenance plate structure and the automatic remote control machine structure of movable. Although the above patent is provided with the impurity filtering net, the maintenance frame, the sequential water tank, the impurity filtering grid, the flow guide pipe and the water injection pipe joint, the waste water can be collected in time, the waste of water resources can be avoided, and the water can be recycled; the arrangement of the dustproof plate is beneficial to playing a role of spraying, maintaining and preventing dust, and the spraying cleanness of the precast box girder body is ensured; the sun-proof plate is favorable for playing a sun-proof role, and the safety of the prefabricated box girder body is ensured. However, the whole spraying efficiency of the patent is lower, the spraying uniformity cannot be guaranteed, and the maintenance of the prefabricated box girder is not facilitated.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problem of providing the efficient spraying device for maintaining the precast box girder, which has the advantages of simple structure, guaranteed spraying uniformity, guaranteed precast box girder maintaining quality, low cost, time and labor conservation and high construction efficiency.
The technical scheme adopted by the utility model for realizing the purpose is as follows: a high-efficiency spraying device for maintaining prefabricated box girders comprises rails arranged between every two prefabricated box girders, a walking spraying vehicle arranged on the rails and used for spraying maintenance water to the box girders on two sides for maintenance, wherein the walking spraying vehicle comprises a spraying vehicle body, spraying components arranged in the spraying vehicle body, walking wheels arranged on two sides of the spraying vehicle body and matched with the rails, and a power mechanism used for driving the walking spraying vehicle to walk on the rails, the spraying components comprise a water tank arranged in the spraying vehicle body and a water pump, the spraying components further comprise a rotary spraying pipeline connected with the water tank, the rotary spraying pipeline comprises an outer pipeline vertically arranged above the water tank and rotationally connected with the water outlet end of the water tank through a bearing, an inner pipeline arranged in the outer pipeline and communicated with the water tank, and a driving mechanism used for driving the outer pipeline to rotate, and a containing cavity for containing the sprayed curing water is arranged between the outer pipeline and the inner pipeline, a waterproof layer is arranged above the bottom bearing of the containing cavity and the water outlet end of the water tank, and a plurality of spray holes are uniformly formed in the outer pipeline.
The efficient spraying device for maintaining the precast box girder is characterized in that the inner pipeline in the cavity is provided with a plurality of water outlet holes for discharging water in the water tank to the cavity through the inner pipeline.
The efficient spraying device for maintaining the precast box girders is characterized in that the top of the inner pipeline is also provided with an upper spraying assembly for spraying to the upper top surfaces of the box girders on the two sides.
The upper spraying assembly comprises a branch pipeline connected with an inner pipeline, the branch pipeline is provided with a spraying pipeline communicated with the branch pipeline, the spraying pipeline is arc-shaped with a downward opening, the joint of the inner pipeline and the branch pipeline is sealed, the spraying pipeline is provided with a plurality of spraying openings, and the spraying openings comprise a left spraying opening inclined to the left and a right spraying opening inclined to the right.
Foretell a high-efficient spray set for precast box girder maintenance, the same interval setting of left side sprinkler bead and right sprinkler bead, all be provided with the net that can separate into a plurality of thin water columns with spraying the water column on jet orifice, left side sprinkler bead and the right sprinkler bead, net, sprinkler bead and lateral conduit set up for integrated into one piece.
According to the efficient spraying device for maintaining the precast box girder, the top end opening of the inner pipeline is arranged, and water in the water tank flows into the containing cavity through the top end opening of the inner pipeline under the action of the water pump.
Foretell a high-efficient spray set for precast box girder maintenance, actuating mechanism is including setting up in the driving motor at water tank top to and one end and driving motor's output shaft, the driving belt of the other end and outer pipe connection.
Foretell a high-efficient spray set for precast box girder maintenance, high-efficient spray set is still including setting up being used for on the water tank preventing that water from getting into between drive belt and the outer pipeline and leading to the buckler that drive belt skidded.
Foretell a high-efficient spray set for precast box girder maintenance the top of water tank is provided with the manger plate frame along outer pipeline circumference, the manger plate frame includes the manger plate, lower manger plate, left breakwater to and right breakwater, the height that goes up the manger plate and lower breakwater is higher than the height setting of outer pipeline injection water column, the height that left breakwater, right breakwater are higher than by the high setting that the rivers that go up the manger plate and block down the manger plate are located the water tank.
The efficient spraying device for maintaining the prefabricated box girder is characterized in that a water leakage groove which is blocked by the upper water baffle and the lower water baffle and is arranged in the water return tank is formed in the top of the water tank in the water baffle frame.
The efficient spraying device for maintaining the precast box girder has the beneficial effects that: the spraying assembly is arranged into a rotary spraying pipeline, and the outer pipeline is provided with spray holes uniformly, so that the spraying maintenance water in the containing cavity is uniformly sprayed onto the precast box girder plate by utilizing the rotating force; and through setting up upper portion spray assembly, can realize evenly spraying the last top surface of prefabricated case roof beam to realized that the full aspect of case roof beam is for spraying, guaranteed the maintenance quality of prefabricated case roof beam. And meanwhile, the two groups of prefabricated box girders are maintained, so that the construction efficiency can be greatly improved. The utility model has simple structure, reasonable design, time and labor saving, uniform spraying, improved construction efficiency, water saving and construction cost saving, can ensure that the beam body is always in a wet state in the concrete curing period, is beneficial to improving the early strength of concrete, has obvious effects of improving the early strength of concrete and preventing the concrete from generating shrinkage cracks, ensures the curing quality of the prefabricated box girder, and is worthy of wide popularization and application.
Drawings
FIG. 1 is a schematic structural view of an efficient spraying device in example 1;
FIG. 2 is a schematic view of a structure of a spray assembly according to embodiment 1;
FIG. 3 is an enlarged view of part A;
FIG. 4 is an enlarged view of the part C;
FIG. 5 is a schematic view of the structure of a spray nozzle in example 1;
FIG. 6 is a schematic view of a structure of a shower assembly according to embodiment 2;
FIG. 7 is an enlarged view of the part B;
fig. 8 is a schematic top view of the high-efficiency shower device in embodiment 3.
Detailed Description
The utility model is further explained in detail with reference to the drawings and the specific embodiments;
example 1
As shown in fig. 1-5, a high-efficient spray set for maintenance of prefabricated box girder, including set up in two liang of tracks 2 between prefabricated box girder 1, and set up and be used for spraying the walking spray truck 3 that the maintenance water carries out the maintenance to the box girder 1 of both sides on track 2, walking spray truck 3 includes the spray truck body, set up the spray assembly in the spray truck body, set up in the walking wheel 4 with 2 looks adaptations of track of spray truck body both sides, and be used for driving the power unit that the walking spray truck walked on track 2, power unit adopts prior art can realize that walking spray truck 3 is automatic to walk can. In this embodiment, the spray assembly includes a water tank 5 disposed within the spray cart body, and a water pump (not shown). In order to improve the spraying efficiency and the spraying uniformity, the spraying assembly further comprises a rotary spraying pipeline connected with the water tank, the rotary spraying pipeline comprises an outer pipeline 7 vertically arranged above the water tank 5 and rotatably connected with the water outlet end of the water tank 5 through a bearing 6, an inner pipeline 8 arranged in the outer pipeline 7 and communicated with the water tank 5, and a driving mechanism used for driving the outer pipeline 7 to rotate, an accommodating cavity 9 used for accommodating spraying maintenance water is arranged between the outer pipeline 7 and the inner pipeline 8, a waterproof layer 10 is arranged above the bottom bearing 6 of the accommodating cavity 9 and the water outlet end 24 of the water tank 5, and a plurality of spraying holes 11 are uniformly formed in the outer pipeline 7. In this embodiment, the inner pipe 8 in the cavity 9 is provided with a plurality of water outlet holes 12 for discharging water in the water tank 5 to the cavity 9 through the inner pipe 8.
In order to further improve the spraying efficiency, an upper spraying assembly for spraying to the upper top surfaces of the two side box girders 1 is further arranged at the top of the inner pipeline 8. The upper spraying assembly comprises a branch pipeline 13 connected with the inner pipeline 8, a spraying pipeline 14 communicated with the branch pipeline 13 is arranged on the branch pipeline 13, wherein the spraying pipeline 14 is arranged into an arc shape with a downward opening, and the spraying effect is further improved. In order to enable water in the water tank to smoothly enter the branch pipelines 13 and the spraying pipelines 14, the connecting part of the inner pipeline 8 and the branch pipelines 13 is arranged in a sealing mode, the water in the water tank can enter the spraying pipelines 14 due to pressure feet of the water pump, and the water is sprayed to the upper top surfaces of the prefabricated box girders 1 on the two sides in the spraying pipelines 14. Be provided with a plurality of sprinkler 15 on spray piping 14, sprinkler 15 includes the left sprinkler that sets up to the left slope and to the right sprinkler that has the slope to realize spraying on the prefabricated box girder of both sides.
In order to ensure the spraying uniformity, the left spraying opening and the right spraying opening are arranged at the same interval. Further, in order to realize the uniformity of spraying, all be provided with the net 16 that can separate into a plurality of thin water columns with spraying water column on jet orifice 11, left sprinkler orifice and the right sprinkler orifice, net 16, sprinkler orifice 15 and lateral conduit 13 set up for integrated into one piece to guarantee quality, increase of service life.
In this embodiment, the driving mechanism includes a driving motor 17 disposed on the top of the water tank 5, and a driving belt 18 having one end connected to an output shaft of the driving motor 17 and the other end connected to the outer pipe 7, and the outer pipe 7 is driven to rotate by the driving belt. The high efficiency spray device in this embodiment further comprises a waterproof cover (not shown) disposed on the water tank 5 for preventing water from entering between the driving belt 18 and the outer pipe 7 to cause the driving belt 18 to slip.
Example 2
As shown in fig. 6 and 7, the same points as those in embodiment 1 are not described again, but in this embodiment, the top end opening of the inner pipe 8 is provided, and water in the water tank 5 flows into the cavity 9 through the top end opening of the inner pipe 8 under the action of the water pump.
Example 3
As shown in fig. 8, the same points as those in embodiment 1 are not repeated, except that in this embodiment, a water retaining frame is disposed at the top of the water tank 5 along the circumference of the outer pipe 7, wherein the water retaining frame includes an upper water retaining plate 19, a lower water retaining plate 20, a left water retaining plate 21, and a right water retaining plate 22, and the height of the upper water retaining plate 19 and the height of the lower water retaining plate 20 are higher than the height of the water jet of the outer pipe 7, so as to retain the water flow on the sidewalk and prevent the water from being wasted. And the left and right water deflectors 21 and 22 are set to have a height higher than that of the water flow on the water tank 5, which is blocked by the upper and lower water deflectors 19 and 20, so as to prevent the collected water from being scattered outside the water tank and causing waste of water. In order to further save water, a water leakage groove 23 for returning water blocked by the upper water blocking plate 19 and the lower water blocking plate 20 into the water tank 5 is provided at the top of the water tank 5 in the water blocking frame. In the present embodiment, two water leakage grooves 23 are provided in parallel along the longitudinal direction of each of the upper and lower water deflectors 19 and 20.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made according to the spirit of the present disclosure should be covered within the scope of the present disclosure.
Claims (10)
1. The utility model provides a high-efficient spray set for maintenance of prefabricated case roof beam, is including setting up the track between two liang of prefabricated case roof beams to and set up and be used for spraying the walking spray cart that maintenance water carries out the maintenance on the case roof beam of both sides on the track, the walking spray cart is including the spray cart body, sets up in this internal spray assembly of spray cart, set up in spray cart body both sides with the walking wheel of track looks adaptation to and be used for driving the walking spray cart power unit of walking on the track, the spray assembly is including setting up in this internal water tank of spray cart to and water pump, its characterized in that: the spraying assembly further comprises a rotary spraying pipeline connected with the water tank, the rotary spraying pipeline comprises an outer pipeline vertically arranged above the water tank and rotatably connected with the water outlet end of the water tank through a bearing, an inner pipeline arranged in the outer pipeline and communicated with the water tank, and a driving mechanism for driving the outer pipeline to rotate, an accommodating cavity used for containing spraying maintenance water is arranged between the outer pipeline and the inner pipeline, a waterproof layer is arranged above the bottom bearing of the accommodating cavity and the water outlet end of the water tank, and a plurality of spraying holes are uniformly formed in the outer pipeline.
2. The high-efficiency spraying device for maintaining the precast box girder as set forth in claim 1, wherein: the inner pipeline in the cavity is provided with a plurality of water outlet holes for discharging water in the water tank into the cavity through the inner pipeline.
3. The high-efficiency spraying device for maintaining the precast box girder as claimed in claim 2, wherein: and the top of the inner pipeline is also provided with an upper spraying assembly for spraying to the upper top surfaces of the box girders at two sides.
4. The high-efficiency spraying device for maintaining the precast box girder as claimed in claim 3, wherein: the upper portion spray assembly comprises a branch pipeline connected with an inner pipeline, a spray pipeline communicated with the branch pipeline is arranged on the branch pipeline, the spray pipeline is arc-shaped and is opened downwards, the joint of the inner pipeline and the branch pipeline is sealed, a plurality of spray openings are formed in the spray pipeline, and each spray opening comprises a left spray opening arranged in a leftward inclined mode and a right spray opening arranged in an inclined mode.
5. The high-efficiency spraying device for maintaining the precast box girder as claimed in claim 4, wherein: the same interval setting of left side sprinkler bead and right sprinkler bead, all be provided with the net that can separate into a plurality of thin water columns with spraying the water column on jet orifice, left sprinkler bead and the right sprinkler bead, net, sprinkler bead and lateral conduit set up for integrated into one piece.
6. The efficient spraying device for precast box girder maintenance according to claim 1, wherein: the top end opening of inner pipe sets up, and the water in the water tank flows into the appearance intracavity through the top end opening part of inner pipe.
7. The high-efficiency spraying device for maintaining the precast box girder as set forth in claim 1, wherein: the driving mechanism comprises a driving motor arranged at the top of the water tank and a driving belt, one end of the driving belt is connected with an output shaft of the driving motor, and the other end of the driving belt is connected with the outer pipeline.
8. The high-efficiency spraying device for maintaining the precast box girder of claim 7, wherein: the high-efficiency spraying device further comprises a waterproof cover which is arranged on the water tank and used for preventing water from entering between the driving belt and the outer pipeline to cause the driving belt to slip.
9. The high-efficiency spraying device for maintaining the precast box girder as set forth in claim 1, wherein: the top of water tank is provided with the manger plate frame along outer pipeline circumference, the manger plate frame includes the manger plate, lower manger plate, left breakwater to and right breakwater, the height that goes up the manger plate and lower manger plate is higher than the height setting of outer pipeline injection water column, the height that highly is higher than of left breakwater, right breakwater is located the height setting on the water tank by the rivers that last manger plate and lower manger plate blocked.
10. The high-efficiency spraying device for maintaining the precast box girder of claim 9, wherein: and a water leakage groove which is used for returning water flow blocked by the upper water baffle and the lower water baffle to the water tank is arranged at the top of the water tank in the water baffle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122503418.2U CN216884520U (en) | 2021-10-18 | 2021-10-18 | A high-efficient spray set for maintenance of prefabricated box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122503418.2U CN216884520U (en) | 2021-10-18 | 2021-10-18 | A high-efficient spray set for maintenance of prefabricated box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216884520U true CN216884520U (en) | 2022-07-05 |
Family
ID=82195401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122503418.2U Active CN216884520U (en) | 2021-10-18 | 2021-10-18 | A high-efficient spray set for maintenance of prefabricated box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216884520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116810990A (en) * | 2023-07-25 | 2023-09-29 | 中国十七冶集团有限公司 | Intelligent movable spray health preserving device and use method |
-
2021
- 2021-10-18 CN CN202122503418.2U patent/CN216884520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116810990A (en) * | 2023-07-25 | 2023-09-29 | 中国十七冶集团有限公司 | Intelligent movable spray health preserving device and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111469259A (en) | Prefabricated part spraying maintenance system and maintenance method | |
| CN216884520U (en) | A high-efficient spray set for maintenance of prefabricated box girder | |
| CN210482086U (en) | Concrete spraying and curing device for high-pier hanging basket construction | |
| CN111706364A (en) | Tunnel secondary lining concrete health trolley | |
| CN208619125U (en) | A tunnel secondary lining concrete curing trolley | |
| CN212895941U (en) | A kind of intelligent spray curing device for bridge high pier column slipform concrete | |
| CN212177173U (en) | Lining cutting platform truck sprays release agent device fast | |
| CN220378292U (en) | Tunnel concrete curing equipment | |
| CN209633319U (en) | Self-traveling spraying health promotion trolley | |
| CN209453828U (en) | A Prefabricated Box Girder Automatic Sprinkling Maintenance System | |
| CN112298119A (en) | Full-automatic vehicle cleaning device for constructional engineering | |
| CN112281664A (en) | Slip form construction method for cast-in-situ of large-span simply supported beam | |
| CN212045261U (en) | Prefabricated case roof beam water conservation maintenance system | |
| CN214464222U (en) | Spray trolley for tunnel maintenance | |
| CN214656209U (en) | Automatic maintenance device for stable water base course of highway engineering | |
| CN218965734U (en) | Spraying maintenance device for prestressed steel cylinder concrete pipe | |
| CN114852729A (en) | Construction waste treatment device based on building engineering | |
| CN211872666U (en) | An urban elevated cast-in-situ box girder spray curing device | |
| CN209875177U (en) | Tunnel concrete watering curing means | |
| CN108457198A (en) | A kind of cantilever construction Cast-in-situ Beam mobile sealing intelligence maintenance construction method | |
| CN209699465U (en) | Prefabricated beam and slab spraying health care system | |
| CN220013745U (en) | Whole car spraying base structure that kills | |
| CN219470614U (en) | Highway basic unit maintenance device | |
| CN221717314U (en) | A production workshop for prestressed concrete composite slabs | |
| CN113372135A (en) | Spraying maintenance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |