Land leveler for road construction
By designing a support frame, leveling mechanism, and dust suppression mechanism on the grader, the problems of scraper wear and inconvenient disassembly and assembly are solved, achieving convenient maintenance and dust suppression effects, and improving the practicality of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-03
AI Technical Summary
In existing technologies, scrapers are prone to wear during long-term operation and are not easy to disassemble and maintain quickly, resulting in insufficient practicality.
A grader was designed, comprising a support frame, a leveling mechanism, a crushing mechanism, and a dust suppression mechanism. Through the cooperation of components such as a motor, a threaded shaft, a lifting plate, and a hydraulic cylinder, the scraper and crushing plate are raised and lowered, facilitating disassembly and maintenance. Dust suppression is achieved through a water pump and nozzles.
It enables convenient disassembly and maintenance of scraper and crushing plate, improves the practicality of equipment, and effectively reduces construction dust through dust suppression mechanism, simplifying the operation process.
Smart Images

Figure CN224078273U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of road construction technology, specifically to a road construction grader. Background Technology
[0002] Graders are used in highway construction primarily for roadbed treatment, soil loosening, and leveling road edges or stripping surface layers. In road maintenance, they are commonly used for road construction and repair, as well as for the preparation and repair of temporary roads for repair and demolition.
[0003] A search revealed a utility model patent in China with patent publication number CN222083310U, which discloses a road construction grader. The general description includes a mounting box and a placement plate. The placement plate is fixedly connected to the bottom of the mounting box, and a second motor is fixedly connected to one side of the top of the placement plate. During use, the second motor, threaded rod, threaded plate, sleeve rod, and sleeve block enable the road construction grader to adjust the vertical position of the scraper, avoiding the problem of only being able to work on level ground and not being able to adjust according to the flatness of the ground, thus preventing damage to the scraper during operation. However, the above device still has certain shortcomings. For example, the scraper is prone to wear during long-term use, requiring the user to disassemble and maintain the scraper. The above device is not convenient for quick disassembly and maintenance of the scraper, thus its practicality is somewhat lacking. Therefore, we propose a road construction grader. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a road construction grader to solve the problem mentioned in the background art. In the long-term operation of the existing technology, the scraper blade is prone to wear, so the user needs to disassemble and maintain the scraper blade. However, the above-mentioned device is not convenient for quick disassembly and maintenance of the scraper blade, and its practicality is somewhat insufficient.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a road construction grader, comprising a vehicle body, and further comprising:
[0008] A support frame, which is fixedly connected to the vehicle body;
[0009] A leveling mechanism is mounted on a support frame. The leveling mechanism includes a motor, which is mounted on the support frame. The output end of the motor passes through the support frame and is fixedly connected to a threaded shaft. The other end of the threaded shaft is rotatably connected to the vehicle body. A lifting plate is threaded onto the threaded shaft and is located inside the support frame. Two connecting rods (first and second) are fixedly connected to the lifting plate, both of which pass through the vehicle body. A mounting groove is provided on each connecting rod, and mounting plates are placed in the two mounting grooves. A scraper is fixedly connected to the mounting plates. Two support plates are fixedly connected between the two connecting rods. A sliding groove is fixedly connected to the two support plates, and a slider is slidably connected within the sliding groove. A motor (second) is mounted on the sliding groove, and a threaded rod is rotatably connected within the sliding groove. The output end of the motor (second) passes through the sliding groove and is fixedly connected to the threaded rod. The slider is threadedly connected to the threaded rod, and a locking plate is fixedly connected to the slider. The locking plate passes through the mounting plate and the two support plates via a locking slot, facilitating the replacement and maintenance of the scraper.
[0010] A crushing mechanism is installed on the vehicle body and two connecting rods 2, and is used for crushing.
[0011] A dust suppression mechanism is installed on the vehicle body and is used for dust suppression.
[0012] Preferably, the crushing mechanism includes an opening and a fixed plate. The opening is formed on the vehicle body, and the fixed plate is fixedly connected to two connecting rods. A hydraulic cylinder is installed through the fixed plate, and the output end of the hydraulic cylinder is fixedly connected to the crushing plate for crushing larger clods of soil.
[0013] Furthermore, the dust suppression mechanism includes a water tank and a water pump, both of which are fixedly connected to the vehicle body. The water inlet of the water pump is connected to the water tank, and the water outlet of the water pump is connected to a water delivery pipe. The water delivery pipe passes through the vehicle body and is connected to a diversion pipe. Multiple nozzles are connected to the diversion pipe for dust suppression treatment of dust generated during crushing.
[0014] Furthermore, multiple fixing rings are fixedly sleeved on the diversion pipe, and a fixing rod is fixedly connected between the fixing rings and the vehicle body.
[0015] Furthermore, the vehicle body has two openings, and two telescopic rods are fixedly connected through the fixed plate, with the telescopic rods being fixedly connected to the breaking plate.
[0016] Based on the aforementioned scheme, a protective cover is fixedly connected to the slide, and the second motor is located inside the protective cover.
[0017] (III) Beneficial Effects
[0018] Compared with the prior art, this utility model provides a road construction grader, which has the following features:
[0019] Beneficial effects:
[0020] This road construction grader, through the cooperation of motor one, threaded shaft, lifting plate, etc., facilitates the lifting and lowering of the crushing plate and scraper, allows the hydraulic cylinder to drive the crushing plate to continuously strike the ground, facilitating the breaking of larger soil clods, and allows the water tank, water pump, nozzles, etc. to cooperate to suppress the generated dust. The vehicle body moves to drive the scraper to scrape up the soil, facilitating leveling operations. Through the cooperation of motor two, threaded rod, etc., it facilitates the movement of the slider and clamping plate, allowing the clamping plate to disengage from the clamping slot, thus facilitating the removal of the mounting plate and scraper for disassembly and maintenance. The operation is simple and quick, improving practicality. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of the present application;
[0022] Figure 2 This is a partial cross-sectional view of the three-dimensional structure of this application;
[0023] Figure 3 This is a three-dimensional structural diagram of the matching of the slide and the motor in this application;
[0024] Figure 4 This is a three-dimensional structural diagram of the shunt tube, fixing ring, and other components used in this application.
[0025] In the diagram: 1. Vehicle body; 2. Support frame; 3. Motor 1; 4. Threaded shaft; 5. Lifting plate; 6. Connecting rod 1; 7. Connecting rod 2; 8. Mounting plate; 9. Scraper; 10. Support plate; 11. Slide groove; 12. Slider; 13. Motor 2; 14. Threaded rod; 15. Clamping plate; 16. Fixing plate; 17. Hydraulic cylinder; 18. Crushing plate; 19. Water tank; 20. Water pump; 21. Diverter pipe; 22. Fixing ring; 23. Telescopic rod; 24. Protective cover. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example
[0028] Please see Figures 1-4A road construction grader includes a vehicle body 1, and also includes:
[0029] Support frame 2 is fixedly connected to vehicle body 1;
[0030] A leveling mechanism is mounted on a support frame 2. The leveling mechanism includes a motor 3, which is installed on the support frame 2. The output end of the motor 3 passes through the support frame 2 and is fixedly connected to a threaded shaft 4. The other end of the threaded shaft 4 is rotatably connected to the vehicle body 1. A lifting plate 5 is threaded onto the threaded shaft 4 and is located inside the support frame 2. Two connecting rods 6 and 7 are fixedly connected to the lifting plate 5, both of which pass through the vehicle body 1. The connecting rods 6 have mounting grooves, and mounting plates 8 are placed in the two mounting grooves. Scrapers 9 are fixedly connected to the mounting plates 8. Two support plates 10 are fixedly connected between the two connecting rods 6. A slide groove 11 is fixedly connected to the plate 10. A slider 12 is slidably connected in the slide groove 11. A motor 13 is installed on the slide groove 11. A threaded rod 14 is rotatably connected in the slide groove 11. The output end of the motor 13 passes through the slide groove 11 and is fixedly connected to the threaded rod 14. The slider 12 is threadedly connected to the threaded rod 14. A clamping plate 15 is fixedly connected to the slider 12. The clamping plate 15 passes through the mounting plate 8 and the two support plates 10 through the clamping slot. The motor 3 and the motor 13 are used to provide power. The threaded shaft 4 is used to drive the lifting plate 5 to move. The lifting plate 5 is used for height adjustment. The threaded rod 14 is used to drive the slider 12 to move. The clamping plate 15 is used to clamp in the clamping slot to facilitate the replacement and maintenance of the scraper 9.
[0031] The crushing mechanism is set on the vehicle body 1 and two connecting rods 7. The crushing mechanism includes an opening and a fixing plate 16. The opening is opened on the vehicle body 1. The fixing plate 16 is fixedly connected to the two connecting rods 7. A hydraulic cylinder 17 is installed through the fixing plate 16. The output end of the hydraulic cylinder 17 is fixedly connected to a crushing plate 18. The hydraulic cylinder 17 is used to drive the crushing plate 18 to move. The crushing plate 18 is used to crush larger soil clods.
[0032] The dust suppression mechanism is installed on the vehicle body 1. The dust suppression mechanism includes a water tank 19 and a water pump 20. Both the water tank 19 and the water pump 20 are fixedly connected to the vehicle body 1. The water inlet of the water pump 20 is connected to the water tank 19, and the water outlet of the water pump 20 is connected to a water delivery pipe. The water delivery pipe passes through the vehicle body 1 and is connected to a diversion pipe 21. Multiple nozzles are connected to the diversion pipe 21. The water tank 19 is used to hold water, the water pump 20 is used to deliver water, and the nozzles are used to spray water to suppress the dust generated during crushing.
[0033] Multiple fixing rings 22 are fixedly sleeved on the diversion pipe 21. The fixing rings 22 are fixedly connected to the vehicle body 1 by fixing rods, which are used to reinforce the diversion pipe 21 and ensure the stability of the diversion pipe 21.
[0034] Two openings are provided on the vehicle body 1. Two telescopic rods 23 are fixedly connected through the fixed plate 16. The telescopic rods 23 are fixedly connected to the crushing plate 18 to ensure the stability of the crushing plate 18 when it is raised and lowered.
[0035] A protective cover 24 is fixedly connected to the slide 11. The second motor 13 is located inside the protective cover 24 to protect the second motor 13 and prevent dust, water and other substances from falling on the second motor 13.
[0036] It should be further explained that the motor 3, motor 13, and hydraulic cylinder 17 in this embodiment are conventional devices known to those skilled in the art and available on the market. Models can be selected or customized according to actual needs. In this patent, we only use them without improving their structure and function. Their setting method, installation method, and electrical connection method can be easily explained by those skilled in the art by following the instructions for use. They will not be described in detail here. The motor 3, motor 13, and hydraulic cylinder 17 are equipped with matching control switches. The installation position of the control switches can be selected according to actual usage requirements to facilitate operation and control by the operator.
[0037] In summary, the working principle and process of this road construction grader are as follows: First, place the grader at the desired location and connect motor 3 and motor 13 according to the corresponding instruction manual to establish the forward and reverse circuits. Then, when in use, start motor 3. Motor 3 drives the threaded shaft 4 to rotate, which in turn drives the lifting plate 5, connecting rod 6, connecting rod 7, etc., to rise and fall, causing the breaking plate 18 and scraper 9 to rise and fall, bringing the scraper 9 into contact with the ground. Then, start the hydraulic cylinder 17 and water pump 20. The hydraulic cylinder 17 drives the breaking plate 18 to continuously strike the ground, facilitating the breaking of larger clods of soil. The water pump 20 draws water from the water tank 19 and delivers it to multiple nozzles through the water supply pipe and diversion pipe 21, allowing the nozzles to spray water for dust suppression. This completes the process of starting the vehicle body 1. Simply move the scraper 9 so it can level the ground. When the scraper 9 needs to be replaced, start the motor 13. The motor 13 drives the threaded rod 14 to rotate, the threaded rod 14 drives the slider 12 to move, the slider 12 drives the clamping plate 15 to move, and the clamping plate 15 moves out of the clamping slot. At this time, the mounting plate 8 and the scraper 9 can be removed and replaced. The operation is simple and quick, and it is highly practical. The vehicle body 1 involved in this solution is the authorized technology disclosed in the utility model patent with Chinese patent publication (announcement) number CN222083310U. Its internal structure and working principle are well known to those skilled in the art and are not the innovation of this patent. The innovation of this patent lies in the replacement, maintenance and dust reduction of the scraper 9. Therefore, this patent will not describe its internal structure and working principle in detail.
[0038] The above embodiments merely illustrate specific implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model.
Claims
1. A motor grader for road construction comprising a vehicle body (1), characterized in that, Also includes: Support frame (2), the support frame (2) is fixedly connected on the vehicle body (1); Leveling mechanism, the leveling mechanism is arranged on the support frame (2), the leveling mechanism includes motor one (3), the motor one (3) is installed on the support frame (2), the output end of the motor one (3) is fixedly connected with threaded shaft (4) and is fixedly connected with threaded shaft (4) and is fixedly connected with threaded shaft (4), the other end of the threaded shaft (4) is rotatably connected with the vehicle body (1), the threaded shaft (4) is screw connected with lifting plate (5), the lifting plate (5) is located in the support frame (2), the lifting plate (5) is fixedly connected with two connecting rods one (6) and two connecting rods two (7), the connecting rod one (6) and the connecting rod two (7) are all through the vehicle body (1), the connecting rod one (6) is provided with installation groove, two installation grooves are placed with mounting plate (8), the mounting plate (8) is fixedly connected with scraper (9), two connecting rod one (6) are fixedly connected with two support plates (10), two support plates (10) are fixedly connected with sliding groove (11), the sliding groove (11) is slidably connected with sliding block (12), the sliding groove (11) is provided with motor two (13), the sliding groove (11) is rotatably connected with threaded rod (14), the output end of the motor two (13) is fixedly connected with threaded rod (14) and is fixedly connected with threaded rod (14), the sliding block (12) is screw connected on the threaded rod (14), the sliding block (12) is fixedly connected with clamping plate (15), the clamping plate (15) is fixedly connected with the mounting plate (8) and two support plates (10) through the bayonet. Crushing mechanism, the crushing mechanism is arranged on the vehicle body (1) and two connecting rods two (7), for crushing; Dust falling mechanism, the dust falling mechanism is arranged on the vehicle body (1), for dust falling.
2. The motor grader for road construction according to claim 1, characterized in that: The crushing mechanism includes opening one and fixed plate (16), the opening one is provided on the vehicle body (1), the fixed plate (16) is fixedly connected on two connecting rods two (7), the fixed plate (16) is fixedly connected with hydraulic cylinder (17), the output end of the hydraulic cylinder (17) is fixedly connected with crushing plate (18).
3. The motor grader for road construction of claim 2, wherein: The dust falling mechanism includes water tank (19) and water pump (20), the water tank (19) and water pump (20) are all fixedly connected on the vehicle body (1), the water inlet end of the water pump (20) is communicated with the water tank (19), the water outlet end of the water pump (20) is communicated with the water supply pipe, the water supply pipe is fixedly connected with the shunt pipe (21), the shunt pipe (21) is communicated with a plurality of spray heads.
4. The motor grader for road construction of claim 3, wherein: A plurality of fixed rings (22) are fixedly connected on the shunt pipe (21), and a fixed rod is fixedly connected between the fixed ring (22) and the vehicle body (1).
5. The motor grader for road construction of claim 4, wherein: Two openings two are provided on the vehicle body (1), two telescopic rods (23) are fixedly connected on the fixed plate (16), and the telescopic rod (23) is fixedly connected with the crushing plate (18).
6. The motor grader for road construction of claim 5, wherein: The chute (11) is fixedly connected with a protective cover (24), and the motor two (13) is located in the protective cover (24).
Citation Information
Patent Citations
Land leveler for road construction
CN222083310U