CN220953181U - Highway maintenance watering device - Google Patents

Highway maintenance watering device Download PDF

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Publication number
CN220953181U
CN220953181U CN202322687648.8U CN202322687648U CN220953181U CN 220953181 U CN220953181 U CN 220953181U CN 202322687648 U CN202322687648 U CN 202322687648U CN 220953181 U CN220953181 U CN 220953181U
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device frame
fixedly connected
collecting
frame
highway maintenance
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凌国英
金学锋
周玥如
张轩豪
叶军豪
余相如
方航强
曾雅
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Hangzhou Luda Highway Engineering Co.,Ltd.
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Hangzhou Luda Highway Engineering Corp
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Abstract

本实用新型公开了一种公路养护洒水装置,包括装置框,所述装置框的顶部固定连接有支架,所述支架的顶部设置有储水箱,所述储水箱的顶部固定连接有收集斗,所述收集斗的顶部固定连接有筛网,所述收集斗的内部设置有活性炭过滤板,所述储水箱的一侧固定连通有出水管,所述出水管的一端贯穿装置框并延伸至装置框的内部,所述出水管延伸至装置框内部的一端固定连通有洒水管。本实用新型通过收集斗、筛网和活性炭过滤板的设置,使得装置具备对雨水进行收集的功能,提高了水资源的利用率,并通过活性炭过滤板对雨水进行过滤,避免收集的雨水较脏而导致后续装置在作业时洒出的是脏水,从而有利于对公路的养护工作。

The utility model discloses a highway maintenance watering device, comprising a device frame, a bracket fixedly connected to the top of the device frame, a water storage tank arranged on the top of the bracket, a collecting bucket fixedly connected to the top of the water storage tank, a screen fixedly connected to the top of the collecting bucket, an activated carbon filter plate arranged inside the collecting bucket, a water outlet pipe fixedly connected to one side of the water storage tank, one end of the water outlet pipe penetrates the device frame and extends to the inside of the device frame, and one end of the water outlet pipe extending to the inside of the device frame is fixedly connected to a watering pipe. The utility model provides the device with the function of collecting rainwater through the arrangement of the collecting bucket, the screen and the activated carbon filter plate, thereby improving the utilization rate of water resources, filtering the rainwater through the activated carbon filter plate, avoiding the collected rainwater being dirty and causing the subsequent device to sprinkle dirty water during operation, thereby facilitating the maintenance of the highway.

Description

一种公路养护洒水装置A road maintenance sprinkler device

技术领域Technical Field

本实用新型涉及公路养护技术领域,尤其涉及一种公路养护洒水装置。The utility model relates to the technical field of highway maintenance, in particular to a highway maintenance sprinkler device.

背景技术Background technique

公路养护是指为保持公路经常处于完好状态,防止其使用质量下降,并向公路使用者提供良好的服务所进行的作业。是一类公路科技和道路工程上的名词。对环境保护有很大作用,在对公路养护的过程中,需要对公路进行洒水。Highway maintenance refers to the work done to keep the highway in good condition, prevent its quality from deteriorating, and provide good services to highway users. It is a term used in highway technology and road engineering. It plays a great role in environmental protection. In the process of highway maintenance, the highway needs to be watered.

目前的公路养护工作通常是采用洒水车进行作业,但在洒水车作业的过程中,需要用到大量的水资源对公路进行养护工作,而洒水车在储备水源消耗完后,多数需要到指定地点进行补水,而补充的水源多数是净化后的公共水资源,其并不具备对雨水收集利用的功能,以及其他补水来源,水源利用率较低。At present, highway maintenance work is usually carried out by using sprinkler trucks. However, a large amount of water resources are needed to maintain the highway during the operation of sprinkler trucks. After the reserved water source is consumed, most sprinkler trucks need to go to designated locations for refilling. The replenished water source is mostly purified public water resources. It does not have the function of collecting and utilizing rainwater and other water replenishment sources, and the water source utilization rate is low.

因此,有必要提供一种公路养护洒水装置解决上述技术问题。Therefore, it is necessary to provide a highway maintenance sprinkler to solve the above-mentioned technical problems.

实用新型内容Utility Model Content

本实用新型的目的是为了解决现有技术中存在的缺点,而提出的一种公路养护洒水装置。The utility model aims to solve the shortcomings in the prior art and proposes a road maintenance sprinkler device.

为了实现上述目的,本实用新型采用了如下技术方案:一种公路养护洒水装置,包括装置框,所述装置框的顶部固定连接有支架,所述支架的顶部设置有储水箱,所述储水箱的顶部固定连接有收集斗,所述收集斗的顶部固定连接有筛网,所述收集斗的内部设置有活性炭过滤板,所述储水箱的一侧固定连通有出水管,所述出水管的一端贯穿装置框并延伸至装置框的内部,所述出水管延伸至装置框内部的一端固定连通有洒水管,所述洒水管的两端分别贯穿装置框的内壁的两侧并延伸至装置框的外部,所述洒水管的外表面设置有若干个洒水喷头,所述装置框的内部设置有清扫组件,所述装置框的内部还设置有收集组件。In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a highway maintenance watering device, comprising a device frame, a bracket is fixedly connected to the top of the device frame, a water tank is arranged on the top of the bracket, a collecting bucket is fixedly connected to the top of the water tank, a screen is fixedly connected to the top of the collecting bucket, an activated carbon filter plate is arranged inside the collecting bucket, a water outlet pipe is fixedly connected to one side of the water tank, one end of the water outlet pipe passes through the device frame and extends to the inside of the device frame, one end of the water outlet pipe extending to the inside of the device frame is fixedly connected to a watering pipe, both ends of the watering pipe respectively pass through the two sides of the inner wall of the device frame and extend to the outside of the device frame, a plurality of watering nozzles are arranged on the outer surface of the watering pipe, a cleaning component is arranged inside the device frame, and a collecting component is also arranged inside the device frame.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述出水管上设置有水泵,所述储水箱的另一侧设置有注水管。A water pump is arranged on the water outlet pipe, and a water injection pipe is arranged on the other side of the water storage tank.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述清扫组件包括转动连接在装置框内部的转杆,所述转杆的外表面固定套设有若干个清洁刷与若干个固定环,所述固定环的外表面固定连接有若干个橡胶杆,所述橡胶杆的一端呈弯曲状态。The cleaning assembly includes a rotating rod rotatably connected to the inside of the device frame, the outer surface of the rotating rod is fixedly sleeved with a plurality of cleaning brushes and a plurality of fixing rings, the outer surface of the fixing ring is fixedly connected with a plurality of rubber rods, one end of the rubber rod is in a bent state.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述装置框的外侧设置有用于驱动转杆转动的电机,所述电机的输出端与转杆的一端固定连接。A motor for driving the rotating rod to rotate is arranged outside the device frame, and an output end of the motor is fixedly connected to one end of the rotating rod.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述收集组件包括固定连接在装置框内部的收集架,所述收集架的一侧固定连接有若干个挡杆,若干个所述挡杆之间的间距与若干个橡胶杆的大小相适配。The collecting assembly comprises a collecting frame fixedly connected to the inside of the device frame, a plurality of baffle bars are fixedly connected to one side of the collecting frame, and the spacing between the plurality of baffle bars is adapted to the size of the plurality of rubber bars.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述装置框的一侧开设有开口,所述开口的内部活动连接有收集框,且所述收集框同样滑动连接在收集架的内部,所述收集框的一侧设置有固定板一,所述固定板一上开设有插孔一。An opening is provided on one side of the device frame, a collection frame is movably connected inside the opening, and the collection frame is also slidably connected inside the collection rack, a fixing plate 1 is provided on one side of the collection frame, and a socket 1 is provided on the fixing plate 1.

作为上述技术方案的进一步描述:As a further description of the above technical solution:

所述收集的一侧固定连接有固定板二,所述固定板二上开设有插孔二,所述插孔二的内部活动连接有插杆,且所述插杆同样活动连接在插孔一内部。One side of the collection is fixedly connected with a fixing plate 2, on which a second insertion hole is provided, and an insertion rod is movably connected inside the second insertion hole, and the insertion rod is also movably connected inside the first insertion hole.

本实用新型具有如下有益效果:The utility model has the following beneficial effects:

1、与现有技术相比,该公路养护洒水装置,通过收集斗、筛网和活性炭过滤板的设置,使得装置具备对雨水进行收集的功能,提高了水资源的利用率,并通过活性炭过滤板对雨水进行过滤,避免收集的雨水较脏而导致后续装置在作业时洒出的是脏水,从而有利于对公路的养护工作。1. Compared with the prior art, the highway maintenance sprinkler device has the function of collecting rainwater by setting a collection bucket, a screen and an activated carbon filter plate, thereby improving the utilization rate of water resources, and filtering rainwater through an activated carbon filter plate to avoid dirty rainwater being collected and causing subsequent devices to sprinkle dirty water during operation, thereby facilitating highway maintenance work.

2、与现有技术相比,该公路养护洒水装置,通过清扫组件的设置,可对地面上的泥土、灰尘进行清扫,同时通过橡胶杆将地面上的塑料袋与树枝等垃圾收集至收集框内部,提高装置对公路养护的效果。2. Compared with the prior art, the road maintenance sprinkler device can clean the dirt and dust on the ground through the setting of the cleaning component, and at the same time collect plastic bags, branches and other garbage on the ground into the collection frame through the rubber rod, thereby improving the effect of the device on road maintenance.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

图1为本实用新型提出的一种公路养护洒水装置的整体结构立体示意图;FIG1 is a perspective view of the overall structure of a road maintenance sprinkler device proposed by the present invention;

图2为本实用新型提出的一种公路养护洒水装置的整体结构另一角度示意图;FIG2 is a schematic diagram of the overall structure of a highway maintenance sprinkler device proposed by the utility model from another angle;

图3为本实用新型提出的一种公路养护洒水装置的装置框内部结构示意图;FIG3 is a schematic diagram of the internal structure of a device frame of a highway maintenance sprinkler device proposed by the utility model;

图4为本实用新型提出的一种公路养护洒水装置的储水箱与出水管等结构示意图。FIG4 is a schematic diagram of the structure of a water storage tank and a water outlet pipe of a highway maintenance sprinkler device proposed by the utility model.

图例说明:illustration:

1、装置框;2、支架;3、储水箱;4、收集斗;5、筛网;6、活性炭过滤板;7、出水管;8、洒水管;9、洒水喷头;10、水泵;11、注水管;12、转杆;13、清洁刷;14、固定环;15、橡胶杆;16、电机;17、收集架;18、挡杆;19、开口;20、收集框;21、固定板一;22、插孔一;23、固定板二;24、插孔二;25、插杆。1. Device frame; 2. Bracket; 3. Water storage tank; 4. Collecting bucket; 5. Screen; 6. Activated carbon filter plate; 7. Water outlet pipe; 8. Sprinkler pipe; 9. Sprinkler nozzle; 10. Water pump; 11. Water injection pipe; 12. Rotating rod; 13. Cleaning brush; 14. Fixed ring; 15. Rubber rod; 16. Motor; 17. Collecting rack; 18. Block rod; 19. Opening; 20. Collecting frame; 21. Fixed plate 1; 22. Socket 1; 23. Fixed plate 2; 24. Socket 2; 25. Plug rod.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

参照图1-4,本实用新型提供的一种公路养护洒水装置:包括装置框1,装置框1的顶部固定连接有支架2,支架2的顶部设置有储水箱3,储水箱3的顶部固定连接有收集斗4,收集斗4的顶部固定连接有筛网5,通过筛网5的设置,避免树枝落叶掉落至收集斗4内部,导致活性炭过滤板6顶部被堵塞,收集斗4的内部设置有活性炭过滤板6,储水箱3的一侧固定连通有出水管7,出水管7上设置有水泵10,储水箱3的另一侧设置有注水管11,出水管7的一端贯穿装置框1并延伸至装置框1的内部,出水管7延伸至装置框1内部的一端固定连通有洒水管8,洒水管8的两端分别贯穿装置框1的内壁的两侧并延伸至装置框1的外部,洒水管8的外表面设置有若干个洒水喷头9,装置框1的内部设置有清扫组件,装置框1的内部还设置有收集组件。1-4, the utility model provides a highway maintenance watering device: comprising a device frame 1, a bracket 2 is fixedly connected to the top of the device frame 1, a water tank 3 is arranged on the top of the bracket 2, a collecting bucket 4 is fixedly connected to the top of the water tank 3, a screen 5 is fixedly connected to the top of the collecting bucket 4, the screen 5 is arranged to prevent branches and leaves from falling into the collecting bucket 4, resulting in the top of the activated carbon filter plate 6 being blocked, the collecting bucket 4 is provided with an activated carbon filter plate 6, one side of the water tank 3 is fixedly connected with a water outlet pipe 7, a water pump 10 is arranged on the water outlet pipe 7, and a water injection pipe 11 is arranged on the other side of the water tank 3, one end of the water outlet pipe 7 penetrates the device frame 1 and extends to the inside of the device frame 1, and one end of the water outlet pipe 7 extending to the inside of the device frame 1 is fixedly connected with a sprinkler pipe 8, both ends of the sprinkler pipe 8 respectively penetrate the two sides of the inner wall of the device frame 1 and extend to the outside of the device frame 1, a plurality of sprinkler nozzles 9 are arranged on the outer surface of the sprinkler pipe 8, a cleaning component is arranged inside the device frame 1, and a collecting component is also arranged inside the device frame 1.

清扫组件包括转动连接在装置框1内部的转杆12,转杆12的外表面固定套设有若干个清洁刷13与若干个固定环14,固定环14的外表面固定连接有若干个橡胶杆15,橡胶杆15的一端呈弯曲状态,清洁刷13与橡胶杆15均可与地面相接触,装置框1的外侧设置有用于驱动转杆12转动的电机16,电机16的输出端与转杆12的一端固定连接,通过清扫组件的设置,可对地面上的泥土、灰尘进行清扫,同时通过橡胶杆15将地面上的塑料袋与树枝等垃圾收集至收集框20内部,提高装置对公路养护的效果。The cleaning component includes a rotating rod 12 rotatably connected to the inside of the device frame 1, and a plurality of cleaning brushes 13 and a plurality of fixing rings 14 are fixedly sleeved on the outer surface of the rotating rod 12. A plurality of rubber rods 15 are fixedly connected to the outer surface of the fixing ring 14, and one end of the rubber rod 15 is in a bent state. Both the cleaning brush 13 and the rubber rod 15 can contact the ground. A motor 16 for driving the rotating rod 12 to rotate is provided on the outside of the device frame 1, and the output end of the motor 16 is fixedly connected to one end of the rotating rod 12. Through the setting of the cleaning component, the mud and dust on the ground can be cleaned, and at the same time, the plastic bags, branches and other garbage on the ground are collected into the collection frame 20 through the rubber rod 15, thereby improving the effect of the device on road maintenance.

收集组件包括固定连接在装置框1内部的收集架17,收集架17的一侧固定连接有若干个挡杆18,若干个挡杆18之间的间距与若干个橡胶杆15的大小相适配,装置框1的一侧开设有开口19,开口19的内部活动连接有收集框20,且收集框20同样滑动连接在收集架17的内部,收集框20的一侧设置有固定板一21,固定板一21上开设有插孔一22,收集的一侧固定连接有固定板二23,固定板二23上开设有插孔二24,插孔二24的内部活动连接有插杆25,且插杆25同样活动连接在插孔一22内部。The collecting assembly includes a collecting rack 17 fixedly connected to the inside of the device frame 1, a plurality of baffle rods 18 are fixedly connected to one side of the collecting rack 17, the spacing between the plurality of baffle rods 18 is adapted to the size of the plurality of rubber rods 15, an opening 19 is provided on one side of the device frame 1, a collecting frame 20 is movably connected inside the opening 19, and the collecting frame 20 is also slidably connected to the inside of the collecting rack 17, a fixing plate 1 21 is provided on one side of the collecting frame 20, a socket 1 22 is provided on the fixing plate 1 21, a fixing plate 23 is fixedly connected to one side of the collecting rack, a socket 24 is provided on the fixing plate 23, an insert rod 25 is movably connected inside the insert rod 24, and the insert rod 25 is also movably connected inside the socket 1 22.

工作原理:当天气为雨天时,雨水会通过收集斗4顶部筛网5的漏洞流入收集斗4内部,并通过收集斗4内部的活性炭过滤板6对雨水进行过滤,避免收集的雨水较脏,导致后续装置在作业时洒出的是脏水,不利于公路的养护工作,而经过活性炭过滤板6过滤后的雨水,会流入与之相连通的储水箱3内部进行储存,从而为下一次的道路养护工作做准备;Working principle: When it is rainy, rainwater will flow into the collecting bucket 4 through the holes in the screen 5 at the top of the collecting bucket 4, and will be filtered by the activated carbon filter plate 6 inside the collecting bucket 4 to avoid the collected rainwater being dirty, which will cause the subsequent device to spill dirty water during operation, which is not conducive to the maintenance of the road. The rainwater filtered by the activated carbon filter plate 6 will flow into the water storage tank 3 connected thereto for storage, so as to prepare for the next road maintenance work;

当装置在对道路进行养护洒水的过程中,启动水泵10将储水箱3内部的水通过出水管7流入至洒水管8内部,并通过若干个洒水喷头9喷出,随后启动电机16带动转杆12转动,进而带动清洁刷13与橡胶杆15转动,通过清洁刷13对地面进行清扫,同时通过橡胶杆15呈弯曲状态的一端,将地面上的塑料袋与树枝等垃圾,带入收集框20内部,且由于若干个橡胶杆15设置在若干个挡杆18之间,使得橡胶杆15带上的垃圾会掉落在若干个挡杆18的顶部,并通过倾斜设置的挡杆18进行阻挡使垃圾掉落至收集框20内部,收集框20的内部被收集的垃圾填满后,可将插杆25从出插孔一22与插孔二24的内部拔,解除对收集框20的固定,从而可将收集框20从装置框1内部取出,便于工人将收集框20内部的垃圾清除。When the device is in the process of watering the road for maintenance, the water pump 10 is started to make the water in the water tank 3 flow into the watering pipe 8 through the water outlet pipe 7 and spray it out through a plurality of sprinkler nozzles 9, and then the motor 16 is started to drive the rotating rod 12 to rotate, thereby driving the cleaning brush 13 and the rubber rod 15 to rotate, and the ground is cleaned by the cleaning brush 13. At the same time, the plastic bags, branches and other garbage on the ground are brought into the collection frame 20 through the bent end of the rubber rod 15. Since a plurality of rubber rods 15 are arranged between a plurality of baffles 18, the garbage brought by the rubber rods 15 will fall on the top of the plurality of baffles 18, and the garbage will be blocked by the inclined baffles 18 to fall into the collection frame 20. After the interior of the collection frame 20 is filled with the collected garbage, the plug rod 25 can be pulled out from the inside of the outlet socket 1 22 and the socket 2 24 to release the fixation of the collection frame 20, so that the collection frame 20 can be taken out from the inside of the device frame 1, which is convenient for workers to remove the garbage inside the collection frame 20.

最后应说明的是:以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,尽管参照前述实施例对本实用新型进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换,凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的保护范围之内。Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a highway maintenance watering device, includes device frame (1), its characterized in that: the utility model discloses a device frame, including device frame (1), top fixedly connected with support (2), the top of support (2) is provided with storage water tank (3), the top fixedly connected with of storage water tank (3) is collected and is fighted (4), the top fixedly connected with screen cloth (5) of collecting fight (4), the inside of collecting fight (4) is provided with active carbon filter (6), one side fixedly connected with outlet pipe (7) of storage water tank (3), the inside of device frame (1) is run through to the one end of outlet pipe (7), the one end that outlet pipe (7) extends to the inside of device frame (1) is fixed to be linked together and is had sprinkler pipe (8), the both ends of sprinkler pipe (8) run through the both sides of the inner wall of device frame (1) respectively and extend to the outside of device frame (1), the surface of sprinkler pipe (8) is provided with a plurality of sprinkler pipe (9), the inside of device frame (1) is provided with cleans the subassembly, the inside of device frame (1) still is provided with collects the subassembly.
2. A highway maintenance sprinkler according to claim 1, wherein: the water outlet pipe (7) is provided with a water pump (10), and the other side of the water storage tank (3) is provided with a water injection pipe (11).
3. A highway maintenance sprinkler according to claim 1, wherein: the cleaning assembly comprises a rotating rod (12) which is rotationally connected inside a device frame (1), a plurality of cleaning brushes (13) and a plurality of fixing rings (14) are sleeved on the outer surface of the rotating rod (12), a plurality of rubber rods (15) are fixedly connected to the outer surface of the fixing rings (14), and one ends of the rubber rods (15) are in a bending state.
4. A highway maintenance sprinkler according to claim 3, wherein: the device is characterized in that a motor (16) for driving the rotating rod (12) to rotate is arranged on the outer side of the device frame (1), and the output end of the motor (16) is fixedly connected with one end of the rotating rod (12).
5. A highway maintenance sprinkler according to claim 3, wherein: the collecting assembly comprises a collecting frame (17) fixedly connected inside the device frame (1), one side of the collecting frame (17) is fixedly connected with a plurality of stop rods (18), and the intervals among the stop rods (18) are matched with the sizes of the rubber rods (15).
6. A highway maintenance sprinkler according to claim 5, wherein: an opening (19) is formed in one side of the device frame (1), a collecting frame (20) is movably connected in the opening (19), the collecting frame (20) is also connected in the collecting frame (17) in a sliding mode, a first fixing plate (21) is arranged on one side of the collecting frame (20), and a first inserting hole (22) is formed in the first fixing plate (21).
7. The highway maintenance sprinkler of claim 6, wherein: one side fixedly connected with fixed plate two (23) of collecting, set up jack two (24) on fixed plate two (23), the inside swing joint of jack two (24) has inserted bar (25), just inserted bar (25) are inside jack one (22) equally swing joint.
CN202322687648.8U 2023-10-08 2023-10-08 Highway maintenance watering device Active CN220953181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322687648.8U CN220953181U (en) 2023-10-08 2023-10-08 Highway maintenance watering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322687648.8U CN220953181U (en) 2023-10-08 2023-10-08 Highway maintenance watering device

Publications (1)

Publication Number Publication Date
CN220953181U true CN220953181U (en) 2024-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322687648.8U Active CN220953181U (en) 2023-10-08 2023-10-08 Highway maintenance watering device

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Country Link
CN (1) CN220953181U (en)

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Address after: No. 122, Chaohui Road, Xiacheng District, Hangzhou, Zhejiang 310000

Patentee after: Hangzhou Luda Highway Engineering Co.,Ltd.

Country or region after: China

Address before: No. 122, Chaohui Road, Xiacheng District, Hangzhou, Zhejiang 310000

Patentee before: Hangzhou Luda Highway Engineering Corp.

Country or region before: China