Uniform watering device for road roller

By designing a uniform sprinkler device for frames, scrapers, press wheels, support plates, spray pipes and other components on the roller, and using the servo motor to drive the connecting rod telescopic components and spray head to circulate, the problem of unevenly covering the press wheels is solved, and a better anti-adhesion effect is achieved.

CN223240498UActive Publication Date: 2025-08-19GUANGZHOU BAICHANG MUNICIPAL ENG CO LTD
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Patent Information

Application Number
CN202422545197.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-08-19
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing roller water spraying device has a single structure, and the water film formed by the fixed spray head has poor stability, resulting in uneven water film and cannot completely cover the pressing wheel, reducing the anti-adhesion effect.

Method used

A uniform water sprinkler device including a frame, scraper, press wheel, support plate, spray pipe, spray head, drive mechanism and suction mechanism is adopted. The connecting rod telescopic assembly and spray head are driven by a servo motor to circulate to form a uniform water film.

Benefits of technology

The forming uniformity of the roller press water film is improved, the anti-adhesion effect is enhanced, and the problem of uneven coverage of the water film is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a uniform watering device for a road roller, which comprises a frame, a scraper is fixedly connected to the bottom surface of the frame, a pinch roller is rotatably connected to the inner wall of the frame, a support plate is fixedly connected to the top surface of the frame, a spray pipe is slidably connected to the inner wall of the support plate, a nozzle is fixedly connected to the inner wall of the spray pipe, and the nozzle is fixedly connected to the bottom surface of the frame. The suction mechanism is connected with a water storage tank of the road roller, the suction mechanism is started to spray a water source to the surface of the pressing wheel through the switching telescopic assembly and the nozzle to form a water film, meanwhile, the driving mechanism is started to drive the connecting rod telescopic assembly to rotate, and the spraying pipe and the nozzle can be driven to circularly reciprocate along the inner wall of the supporting plate in cooperation with limiting of the supporting plate on the spraying pipe. According to the water film forming device, the water film forming uniformity is improved through a fixed nozzle, the aim of conveniently improving the water film forming uniformity of the pressing wheel of the road roller is achieved, and the problems that the water film cannot uniformly cover the pressing wheel and the anti-adhesion effect is greatly reduced due to the fact that the stability of the water film formed through spraying of the fixed nozzle is poor are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of road rollers, in particular to a uniform water sprinkling device for road rollers. Background Art

[0002] A road roller, also known as a soil compactor, is a type of road construction equipment that comes in two types: steel-wheeled and tire-type. Within the scope of construction machinery, road rollers are classified as road equipment and are widely used for fill and compaction operations on large-scale projects such as highways, railways, airport runways, dams, and stadiums. They can compact sandy, semi-cohesive, and cohesive soils, stabilized roadbed soils, and asphalt concrete pavement layers.

[0003] When a road roller is constructing an asphalt pavement, a sprinkler device is needed to apply a layer of water film to the roller to prevent the roller from sticking to the asphalt. However, the existing sprinkler device has a relatively simple structure, usually with multiple fixed nozzles spraying water sources. The water film formed by the fixed spraying has poor stability, and it is very easy for the water film to be uneven and unable to completely cover the roller, thereby greatly reducing the anti-sticking effect of the roller. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a uniform watering device for a road roller, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A uniform water sprinkling device for a road roller comprises a frame, a scraper fixedly connected to the bottom surface of the frame, a pressure wheel rotatably connected to the inner wall of the frame, a support plate fixedly connected to the top surface of the frame, a spray pipe slidably connected to the inner wall of the support plate, a nozzle fixedly connected to the inner wall of the spray pipe, a connecting frame fixedly connected to the front surface of the support plate, a transmission shaft rotatably connected to the inner wall of the connecting frame, a driving mechanism is provided on the left side of the connecting frame, a connecting rod telescopic assembly is provided on the right side of the transmission shaft, a suction mechanism is provided on the back side of the frame, and a transfer telescopic assembly is provided at the liquid inlet end of the spray pipe.

[0007] Preferably, the driving mechanism consists of a servo motor, a driving wheel, a transmission belt and a driven wheel. The servo motor is fixedly connected to the left side of the connecting frame, the driving wheel is fixedly connected to the output end of the servo motor, the transmission belt is engaged with the inner wall of the driving wheel, the inner wall of the driven wheel is fixedly connected to the surface of the transmission shaft, and the inner wall of the driven wheel is engaged with the transmission belt.

[0008] Preferably, the connecting rod telescopic assembly consists of a drive plate, a first limiting shaft, a connecting rod, a second limiting shaft and a connecting ring, the drive plate is fixedly connected to the right side of the transmission shaft, the first limiting shaft is rotatably connected to the inner wall of the drive plate, the inner wall of the connecting rod is rotatably connected to the surface of the first limiting shaft, the surface of the second limiting shaft is rotatably connected to the inner wall of the connecting rod, the connecting ring is fixedly connected to the front of the spray pipe, and the inner wall of the connecting ring is rotatably connected to the surface of the second limiting shaft.

[0009] Preferably, the suction mechanism consists of a water pump and a suction pipe, the water pump is fixedly connected to the back of the frame, and the liquid inlet end of the suction pipe is fixedly connected to the liquid outlet end of the water pump.

[0010] Preferably, the adapter telescopic assembly consists of a adapter tube and a bellows, the liquid outlet end of the adapter tube is fixedly connected to the liquid inlet end of the spray pipe, the liquid outlet end of the bellows is fixedly connected to the liquid inlet end of the adapter tube, and the liquid inlet end of the bellows is fixedly connected to the liquid outlet end of the suction pipe.

[0011] Preferably, the spray pipe is circular in shape and is made of stainless steel.

[0012] Preferably, there are multiple nozzles, and all of the nozzles are located inside the spray pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the uniform water sprinkling device for the road roller connects the suction mechanism to the water storage tank of the road roller, and the suction mechanism is started to spray water onto the surface of the pressure wheel through the adapter telescopic assembly and the nozzle to form a water film, and at the same time, the driving mechanism is started to drive the connecting rod telescopic assembly to rotate, and the support plate limits the spray pipe, so that the spray pipe and the nozzle can be driven to circulate back and forth along the inner wall of the support plate to increase the uniformity of water film formation; the goal of facilitating the improvement of the uniformity of water film formation on the pressure wheel of the road roller is achieved, and the problem of poor stability of the water film formed by spraying of the fixed nozzle, which leads to the inability of the water film to evenly cover the pressure wheel and greatly reduces the anti-adhesion effect, is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is an enlarged view of the structure A of the utility model;

[0016] Figure 3 This is the rear view of the structure of the utility model;

[0017] Figure 4 This is a right sectional view of the structure of the utility model;

[0018] Figure 5 This is an enlarged view of the structure B of the utility model.

[0019] In the figure: 1. Frame; 2. Scraper; 3. Pressure wheel; 4. Support plate; 5. Spray pipe; 6. Spray head; 7. Connecting frame; 8. Transmission shaft; 9. Servo motor; 10. Driving wheel; 11. Transmission belt; 12. Driven wheel; 13. Drive plate; 14. First limiting shaft; 15. Connecting rod; 16. Second limiting shaft; 17. Connecting ring; 18. Water pump; 19. Suction pipe; 20. Transfer pipe; 21. Bellows. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Reference Figure 1-5 The top surface of the frame 1 is fixedly connected to the scraper 2, and the inner wall of the frame 1 is rotatably connected to the pressure wheel 3. The top surface of the frame 1 is fixedly connected to the support plate 4. The inner wall of the support plate 4 is slidably connected to the spray pipe 5. The spray pipe 5 is circular in shape and is made of stainless steel. The spray pipe 5 made of stainless steel has higher strength and is not easily worn, deformed or damaged after long-term use. It is more durable. The inner wall of the spray pipe 5 is fixedly connected to a nozzle 6. There are multiple nozzles 6, and multiple nozzles 6 are all located inside the spray pipe 5 for performing water film spraying, which increases the spraying range. The front side of the support plate 4 is fixedly connected to a connecting frame 7. The inner wall of the connecting frame 7 is rotatably connected to a transmission shaft 8. A driving mechanism is provided on the left side of the connecting frame 7. The driving mechanism consists of a servo motor 9, a driving wheel 10, a transmission belt 11 and a driven wheel 12. The servo motor 9 is fixedly connected to the left side of the connecting frame 7, and the driving wheel 10 is fixedly connected to the output end of the servo motor 9. The belt 11 is engaged with the inner wall of the driving wheel 10, the inner wall of the driven wheel 12 is fixedly connected to the surface of the transmission shaft 8, and the inner wall of the driven wheel 12 is engaged with the transmission belt 11, which is used to drive the connecting rod telescopic assembly to rotate, so as to facilitate reciprocating transmission. A connecting rod telescopic assembly is provided on the right side of the transmission shaft 8. The connecting rod telescopic assembly consists of a driving plate 13, a first limiting shaft 14, a connecting rod 15, a second limiting shaft 16 and a connecting ring 17. The driving plate 13 is fixedly connected to the right side of the transmission shaft 8, and the first limiting shaft 14 is fixedly connected to the right side of the transmission shaft 8. It is rotatably connected to the inner wall of the driving plate 13, the inner wall of the connecting rod 15 is rotatably connected to the surface of the first limit shaft 14, the surface of the second limit shaft 16 is rotatably connected to the inner wall of the connecting rod 15, the connecting ring 17 is fixedly connected to the front of the spray pipe 5, and the inner wall of the connecting ring 17 is rotatably connected to the surface of the second limit shaft 16, which is used to convert the rotational force into reciprocating power, so as to drive the spray head 6 to move back and forth to improve the uniformity of spraying. A suction mechanism is provided on the back of the frame 1, and a transfer telescopic assembly is provided at the liquid inlet end of the spray pipe 5.

[0022] Specifically, the suction mechanism consists of a water pump 18 and a suction pipe 19. The water pump 18 is fixedly connected to the back of the frame 1, and the liquid inlet end of the suction pipe 19 is fixedly connected to the liquid outlet end of the water pump 18, which is used to suck the water source in the water tank to facilitate driving the water source for spraying.

[0023] Specifically, the adapter telescopic assembly consists of a adapter tube 20 and a bellows 21. The liquid outlet end of the adapter tube 20 is fixedly connected to the liquid inlet end of the spray pipe 5, the liquid outlet end of the bellows 21 is fixedly connected to the liquid inlet end of the adapter tube 20, and the liquid inlet end of the bellows 21 is fixedly connected to the liquid outlet end of the suction pipe 19. By expanding and contracting the bellows 21, the spray pipe 5 can be assisted to move back and forth, thereby improving the movement stability.

[0024] The electrical components mentioned in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that performs control such as a computer.

[0025] During use: first, when the roller drives the pressing wheel 3 to press the asphalt pavement through the frame 1, the liquid inlet end of the water pump 18 is connected to the water tank of the roller, and the water pump 18 is started to suck water into the transfer pipe 20 and the spray pipe 5 through the suction pipe 19 and the bellows 21, and then the water is sprayed onto the surface of the pressing wheel 3 through the nozzle 6 to form a water film. At the same time, the servo motor 9 is started to drive the driving wheel 10 and the transmission belt 11 to rotate. The transmission belt 11 is engaged with the driven wheel 12, and the transmission shaft 8 is driven to rotate along the inner wall of the connecting frame 7. The rotation of the transmission shaft 8 drives the driving plate 13 and the first limiting shaft 14 to rotate. The first limiting shaft 14 and the second limiting shaft 16 are connected to the rotation of the connecting rod 15. In conjunction with the limit of the spray pipe 5 by the support plate 4, the connecting ring 17 and the spray pipe 5 can be driven to circulate back and forth along the inner wall of the support plate 4. The movement of the spray pipe 5 drives the nozzle 6 to reciprocate, and the water source can be sprayed back and forth to increase the uniformity of the water film formation.

[0026] To sum up, the uniform water sprinkling device for the road roller connects the suction mechanism to the water tank of the road roller, starts the suction mechanism to spray water onto the surface of the pressure wheel 3 through the adapter telescopic assembly and the nozzle 6 to form a water film, and at the same time starts the driving mechanism to drive the connecting rod telescopic assembly to rotate, and cooperates with the support plate 4 to limit the spray pipe 5, so as to drive the spray pipe 5 and the nozzle 6 to move back and forth along the inner wall of the support plate 4 to increase the uniformity of the water film forming, thereby achieving the goal of facilitating the improvement of the uniformity of the water film forming of the roller of the road roller, avoiding the problem that the stability of the water film formed by the fixed nozzle spraying is poor, resulting in the water film being unable to evenly cover the pressure wheel, and the anti-adhesion effect is greatly reduced, and is used to solve the problems raised in the above background technology.

[0027] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A uniform watering device for a road roller, comprising a frame (1), characterized in that: The bottom surface of the frame (1) is fixedly connected to a scraper (2), the inner wall of the frame (1) is rotatably connected to a pressure wheel (3), the top surface of the frame (1) is fixedly connected to a support plate (4), the inner wall of the support plate (4) is slidably connected to a spray pipe (5), the inner wall of the spray pipe (5) is fixedly connected to a spray head (6), the front surface of the support plate (4) is fixedly connected to a connecting frame (7), the inner wall of the connecting frame (7) is rotatably connected to a transmission shaft (8), a driving mechanism is provided on the left side of the connecting frame (7), a connecting rod telescopic assembly is provided on the right side of the transmission shaft (8), a suction mechanism is provided on the back side of the frame (1), and a transfer telescopic assembly is provided at the liquid inlet end of the spray pipe (5).

2. A uniform water sprinkling device for a road roller according to claim 1, characterized in that: The driving mechanism is composed of a servo motor (9), a driving wheel (10), a transmission belt (11) and a driven wheel (12), wherein the servo motor (9) is fixedly connected to the left side of the connecting frame (7), the driving wheel (10) is fixedly connected to the output end of the servo motor (9), the transmission belt (11) is meshed with the inner wall of the driving wheel (10), the inner wall of the driven wheel (12) is fixedly connected to the surface of the transmission shaft (8), and the inner wall of the driven wheel (12) is meshed with the transmission belt (11).

3. The uniform water sprinkling device for a road roller according to claim 1, characterized in that: The connecting rod telescopic assembly consists of a driving plate (13), a first limiting shaft (14), a connecting rod (15), a second limiting shaft (16) and a connecting ring (17), wherein the driving plate (13) is fixedly connected to the right side of the transmission shaft (8), the first limiting shaft (14) is rotatably connected to the inner wall of the driving plate (13), the inner wall of the connecting rod (15) is rotatably connected to the surface of the first limiting shaft (14), the surface of the second limiting shaft (16) is rotatably connected to the inner wall of the connecting rod (15), the connecting ring (17) is fixedly connected to the front of the spray pipe (5), and the inner wall of the connecting ring (17) is rotatably connected to the surface of the second limiting shaft (16).

4. The uniform water sprinkling device for a road roller according to claim 1, characterized in that: The suction mechanism consists of a water pump (18) and a suction pipe (19); the water pump (18) is fixedly connected to the back of the frame (1); and the liquid inlet end of the suction pipe (19) is fixedly connected to the liquid outlet end of the water pump (18).

5. The uniform water sprinkling device for a road roller according to claim 1, characterized in that: The transfer telescopic assembly consists of a transfer tube (20) and a bellows (21); the liquid outlet end of the transfer tube (20) is fixedly connected to the liquid inlet end of the spray pipe (5); the liquid outlet end of the bellows (21) is fixedly connected to the liquid inlet end of the transfer tube (20); and the liquid inlet end of the bellows (21) is fixedly connected to the liquid outlet end of the suction pipe (19).

6. The uniform water sprinkling device for a road roller according to claim 1, characterized in that: The spray pipe (5) is circular in shape and is made of stainless steel.

7. The uniform water sprinkling device for a road roller according to claim 1, characterized in that: There are multiple nozzles (6), and all of the nozzles (6) are located inside the spray pipe (5).