Water stable base leveling device

Abstract

The present application belongs to the technical field of road construction equipment, and particularly relates to a water-stable base layer leveling device. The device comprises a vehicle body, a scraper fixedly connected to the vehicle body through a transmission assembly, a compaction assembly, the compaction assembly comprising a second threaded pipe rotatably connected to the top of the vehicle body, a second screw threadedly connected to the inside of the second threaded pipe, a connecting plate fixedly connected to the bottom end of the second screw, and a compaction plate arranged below the connecting plate, an anti-adhesion assembly, the anti-adhesion assembly comprising a vertical rod fixedly connected to the top of the compaction plate, a slide hole passing through the connecting plate and slidably connected to the vertical rod at a position corresponding to the vertical rod, a spring externally sleeved to the vertical rod, and the two ends of the spring fixedly connected to the connecting plate and the compaction plate respectively. When the compaction assembly is lifted after compaction, the spring is used to make the compaction plate quickly reset downward and vibrate, so that the sand and soil adhered to the compaction plate can be shaken off, and the effect of removing the adhering objects is achieved.

Description

Technical Field

[0001] This invention belongs to the technical field of road construction equipment, and in particular relates to a water-stabilized base course leveling device. Background Technology

[0002] Road construction refers to a series of engineering activities carried out on the construction, reconstruction, or repair of roads. The purpose of road construction is to provide smooth, solid, safe, and durable roads for people to walk on and vehicles to pass through. In road construction, the water-stabilized base course refers to a cement-stabilized crushed stone or gravel base course. It is a road base material formed by mixing gravel or crushed stone materials with a certain proportion of cement and water, and through processes such as mixing, spreading, and compaction. The compaction of the water-stabilized base course is mainly to increase the density of the base material, reduce voids, and obtain better durability, thereby extending the overall service life of the road.

[0003] For example, Chinese utility model patent with announcement number CN220079635U discloses a road surface cement-stabilized crushed stone base leveling device. When the device moves, the two drive wheels rotate, driving the rotating shaft to rotate together. The two third pulleys rotate through the transmission of the second belt, and the two fourth pulleys will rotate and drive the two gears to rotate, so that the two racks slide on the base, thereby causing the scraper to move to scrape the crushed stone on the road surface to the flat position.

[0004] However, during the compaction process, the bottom of the pressure plate of the above-mentioned device is prone to being covered with sand and soil, which can affect the subsequent flattening effect on the road surface.

[0005] In summary, there is a need for a compaction device that can promptly remove the deposits adhering to the compaction components during the compaction process. Summary of the Invention

[0006] The purpose of this invention is to provide a water-stabilized base course leveling device. After compaction, when the device drives the compaction component to rise, the spring rebound causes the compaction plate to quickly return to its original position and vibrate, thereby shaking off the sand, gravel, and soil attached to the compaction plate and achieving the effect of removing the attached materials.

[0007] The technical solution adopted by the present invention to solve the above problems is: a water-stabilized base course leveling device, comprising: Vehicle body; The first threaded tube is rotatably connected to the top of the vehicle body. The inner side of the first threaded tube is threaded with a first lead screw, and the bottom end of the first lead screw is fixedly connected to a scraper. The compaction assembly includes a second threaded tube rotatably connected to the top of the vehicle body, a second lead screw being threadedly connected to the inside of the second threaded tube, a connecting plate being fixedly connected to the bottom end of the second lead screw, and a compaction plate being disposed below the connecting plate. An anti-adhesion assembly includes a vertical rod fixedly connected to the top of a compaction plate. A connecting plate has a sliding hole through the connecting plate at a position corresponding to the vertical rod and is slidably connected to the vertical rod. A spring is sleeved on the outside of the vertical rod, and the two ends of the spring are fixedly connected to the connecting plate and the compaction plate, respectively.

[0008] The vehicle body, the main structure responsible for compacting the water-stabilized base layer, has at least four tires arranged in pairs to allow it to move in a straight line and maintain balance. The vehicle body also has a transversely positioned plate for mounting necessary components. A handrail is located at one end of the plate to facilitate movement by pushing or pulling the vehicle body forward or backward.

[0009] Threaded pipe refers to a pipe with threads machined on its inner surface. The internal threads of the pipe allow it to be screwed onto corresponding external threaded fittings or pipework to transmit rotational motion as linear motion. A lead screw (or threaded rod) is a long rod with continuous threads machined on its outer surface. It is typically used to convert between rotational and linear motion. The internal threads of the threaded pipe and the external threads of the lead screw must match to achieve proper connection and function.

[0010] A compaction plate is a flat, weighted metal plate used to compact the ground. Its size and shape are determined by need and can be square, round, or other shapes. The compaction plate has one or more connection points at the top for moving it to the appropriate working position.

[0011] "Rotary connection" generally refers to a connection method that allows rotational or rotatable movement between components. This type of connection allows the connected components to rotate relative to each other in at least one axial direction, but does not allow translational movement along the connection axis. For example, a first threaded tube is rotatably connected to the top of a vehicle body, meaning that the first threaded tube can rotate about the connection point. Bearings can be used at the connection point; bearings are a common type of rotary connection that allow the threaded tube to rotate freely about its axis while preventing movement in other directions.

[0012] "Fixed connection" refers to two or more components joined together in a way that prevents relative movement between them. A fixed connection means that the connected components will not undergo any form of relative rotation or translation under normal operating conditions. Common fixed connection methods include welding, which uses high temperatures to melt the contact parts of the materials, forming a strong connection after cooling. Welded components are usually inseparable at the joint area. Another method is adhesive bonding, which uses adhesives such as glue or epoxy resin to bond the components together. The cured adhesive provides a robust connection. For example, the fixed connection between the bottom end of the first lead screw and the scraper can be achieved through any of the above methods or other similar methods. The choice of fixed connection method depends on the function and materials of the scraper and the first lead screw, the expected mechanical load, and other design considerations.

[0013] "Sliding connection" refers to two or more components being connected together in a manner that allows for relative sliding or translational movement under certain constraints. This type of connection is often used in situations where one component needs to move along a straight or curved path of another component. For example, a connecting plate may have a sliding hole through it corresponding to the position of a vertical rod, allowing the vertical rod to slide freely within the connecting plate. This means that there is a hole in the connecting plate whose size and shape allow the vertical rod to pass through and slide within it. The sliding hole is usually slightly larger than the vertical rod, allowing the vertical rod to slide freely up and down or back and forth within the connecting plate.

[0014] A further preferred technical solution is that the anti-adhesion component further includes: A connecting frame is symmetrically and fixedly connected to the top of the connecting plate. A first magnet block is fixedly installed at the top of the connecting frame. A circular through hole is opened on the first magnet block. The second magnet is circular and is fixedly installed at the top of the vertical rod; Abutment rod, which is symmetrically and fixedly connected to the bottom of the vehicle body.

[0015] In this context, a magnetic block typically refers to a block-shaped object made of ferromagnetic materials such as iron, nickel, cobalt, or their alloys. This object possesses magnetism and can attract other ferromagnetic materials such as iron and steel. A magnetic block can be a permanent magnet, meaning a magnet that maintains its magnetic properties unchanged; or it can be an electromagnet, whose magnetism is generated by an electric current flowing through a coil, and whose strength and switching can be controlled by switching the current.

[0016] A further preferred technical solution is that: worm gears are fixedly sleeved on the outside of both the first threaded pipe and the second threaded pipe; a worm is rotatably connected to the top of the vehicle body; there are two sets of worms, which are respectively meshed with the worm gears on the same side; the two sets of worms are fixedly connected to each other by a connecting shaft; and a handwheel is coaxially fixedly connected to one end of one side of the worm.

[0017] A further preferred technical solution is that: a first guide rod is symmetrically and fixedly connected to the top of the scraper, and the first guide rod is slidably connected to the vehicle body.

[0018] A further preferred technical solution is that a second guide rod is symmetrically fixedly connected to the top of the connecting plate, and the second guide rod is slidably connected to the vehicle body.

[0019] A further preferred technical solution is that the diameter of the abutment rod is smaller than the diameter of the circular through hole, so that the circular through hole allows the abutment rod to pass directly through.

[0020] A further preferred technical solution is that the diameter of the second magnet is larger than the diameter of the circular through hole, so that the second magnet will not cross the circular through hole during the adsorption process.

[0021] A further preferred technical solution is that the magnetic poles of the first magnet block and the second magnet block are arranged in opposite directions.

[0022] When the magnetic poles of the first and second magnets are set in opposite directions on their opposite faces, it means that the magnetic poles on adjacent faces of these two magnets are opposite to each other. Specifically, if the face of the first magnet is the north pole, then the face of the second magnet is the south pole, and vice versa. This is based on the property that magnets have north and south poles, and that like poles repel each other while opposite poles attract each other. This arrangement is usually made so that the two magnets attract each other and can be tightly connected. If the first and second magnets are both electromagnets, and their magnetic poles are set in opposite directions on their opposite faces, it means that when they are placed face to face, the north pole of one magnet faces the south pole of the other magnet, thus ensuring that they can attract each other, and vice versa. To set up two electromagnets so that their magnetic poles on opposite faces are opposite, the direction of the current in the coil of the first electromagnet needs to be determined, and the right-hand rule is used to find out which face is the north pole. For the second electromagnet, choose a current direction so that the magnetic pole it produces is opposite to the relative magnetic pole of the first electromagnet. That is, if the opposite side of the first electromagnet is the north pole, the second electromagnet should be set to the south pole. This usually means that the current should flow in opposite directions in the coils of the two electromagnets.

[0023] A further preferred technical solution is that the abutment rod is made of a non-magnetic material.

[0024] The connecting rod is made of a non-magnetic material, meaning it will not be attracted by a magnet. Non-magnetic materials are typically composite materials and must not contain iron, nickel, cobalt, or their alloys, as these are typical ferromagnetic elements. Examples of non-magnetic materials include various engineering and general-purpose plastics such as polyvinyl chloride (PVC), polycarbonate (PC), nylon, and polytetrafluoroethylene (PTFE), or non-magnetic metals such as aluminum, copper, brass, tin, and lead.

[0025] A further preferred technical solution is that a push handle is fixedly installed on one side of the vehicle body, and a front wheel and a rear wheel are rotatably connected to both sides of the bottom of the vehicle body.

[0026] A push handle is a handle mounted on one or both sides of the vehicle body for pushing it. It is usually part of the vehicle's operating interface, allowing users to easily push or operate the vehicle. Push handles are typically designed ergonomically for a more comfortable grip and control. The front wheel is the wheel at the bottom of the vehicle body that faces forward; it can sometimes be steered to control the vehicle's direction. The rear wheel is the wheel at the bottom of the vehicle body that faces backward; it is usually located at the rear of the vehicle and can be fixed.

[0027] In summary, the present invention has the following advantages: 1. In the process of the compaction component descending continuously, when the compaction plate first contacts the ground, the sliding cooperation between the vertical rod and the connecting plate causes the compaction plate to squeeze the spring and bring the second magnet closer to the first magnet until they come into contact and adhere. After compaction is completed, when the compaction component rises, the abutment rod inserts into the circular through hole and pushes the second magnet to separate from the first magnet. The spring's rebound action causes the compaction plate to automatically and quickly reset and vibrate, thereby shaking off the sand and soil attached to the compaction plate. This avoids the problem that the difficulty in removing the attached material can easily affect the subsequent flattening effect of the road surface.

[0028] 2. This invention moves the crushed stone to the compaction position by pulling the vehicle body to drive the scraper. Then, turning the handwheel drives two sets of worm gears to rotate, which in turn drive the worm wheels meshing with them to rotate. This causes the first and second threaded tubes to rotate. Utilizing the threaded connection between the first and second threaded tubes and the first and second threaded tubes, as well as the sliding engagement between the first and second guide rods and the vehicle body, the compaction plate can be moved vertically downwards to compact the crushed stone, while the scraper is moved vertically upwards to avoid obstructing the compaction process. Conversely, the compaction plate can be moved vertically upwards, and the scraper can be moved vertically downwards to continue scraping the crushed stone. The operation is simple and convenient, eliminating the need for repeated pushing and pulling of the device. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the anti-adhesion component of the present invention; Figure 3 This is a three-dimensional schematic diagram of the abutment rod connection structure of the present invention.

[0030] In the attached diagram, the components represented by each number are as follows: 1. Vehicle body; 2. First threaded pipe; 3. First lead screw; 4. Scraper; 5. Worm gear; 6. Worm; 7. First guide rod; 8. Second guide rod; 101. Second threaded pipe; 102. Second lead screw; 103. Connecting plate; 104. Compactor plate; 201. Vertical rod; 202. Spring; 203. First magnet; 204. Circular through hole; 205. Second magnet; 206. Abutment rod. Detailed Implementation

[0031] The present invention will be further described in detail below with reference to the accompanying drawings.

[0032] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0033] Example: Please combine Figure 1-3 The water-stabilized base leveling device of this embodiment includes: a vehicle body 1; a first threaded pipe 2, the first threaded pipe 2 is vertically rotatably connected to the top of the vehicle body 1, the first threaded pipe 2 is internally threaded with a first lead screw 3, the bottom end of the first lead screw 3 is fixedly connected with a scraper 4, the top of the scraper 4 is symmetrically fixedly connected with a first guide rod 7, both sets of first guide rods 7 are slidably connected to the vehicle body 1, and can guide the vertical movement of the scraper 4; The compaction assembly includes a second threaded tube 101 vertically rotatably connected to the top of the vehicle body 1. A second lead screw 102 is threadedly connected inside the second threaded tube 101. A connecting plate 103 is fixedly connected to the bottom end of the second lead screw 102. A compaction plate 104 is provided below the connecting plate 103. Worm gears 5 are fixedly sleeved on the outside of both the first threaded tube 2 and the second threaded tube 101. A worm 6 is rotatably connected to the top of the vehicle body 1. There are two sets of worms 6, which are respectively meshed with the worm gears 5 on the same side. The two sets of worms 6 are fixedly connected to each other through a connecting shaft. A handwheel is coaxially fixedly connected to one end of one worm 6, which facilitates driving the compaction plate 104 to rise or fall vertically while driving the scraper 4 to rise or fall vertically. A second guide rod 8 is symmetrically fixedly connected to the top of the connecting plate 103. Both sets of second guide rods 8 are slidably connected to the vehicle body 1, which can guide the vertical movement of the compaction plate 104. The anti-adhesion assembly includes four sets of vertical rods 201 symmetrically fixedly connected to the top of the compaction plate 104. The connecting plate 103 has a sliding hole through the connecting plate 103 corresponding to the position of the vertical rod 201 and is slidably connected to the vertical rod 201. A spring 202 is sleeved on the outside of the vertical rod 201. The two ends of the spring 202 are fixedly connected to the connecting plate 103 and the compaction plate 104 respectively.

[0034] The anti-adhesion components also include: Four sets of connecting brackets are symmetrically fixedly connected to the top of the connecting plate 103. A square first magnet block 203 is fixedly installed at the top of the connecting bracket. A circular through hole 204 is opened on the first magnet block 203. The second magnet block 205 is circular and is fixedly installed at the top of the vertical rod 201; Four sets of abutment rods 206 are symmetrically fixed to the bottom of the vehicle body 1. The diameter of the abutment rods 206 matches the diameter of the circular through hole 204, so that the abutment rods 206 can pass through the circular through hole 204. The diameter of the second magnet block 205 is larger than the diameter of the circular through hole 204. The magnetic poles of the opposite faces of the first magnet block 203 and the second magnet block 205 are set in opposite directions, so that the first magnet block 203 and the second magnet block 205 can be attracted to each other. The abutment rods 206 are made of non-magnetic stainless steel to prevent the second magnet block 205 from being attracted to the abutment rods 206.

[0035] The implementation principle of the water-stabilized base course leveling device in this application embodiment is as follows: First, the vehicle body 1 is moved. During the movement, the scraper 4 can scrape the gravel on the road surface and move it to the position to be compacted. Then, the handwheel is turned, which drives the two sets of worm gears 6 to rotate. The rotation of the two sets of worm gears 6 drives the worm wheels 5 that are meshed with them to rotate, so that the first threaded tube 2 and the second threaded tube 101 can rotate. Utilizing the threaded connection between the first threaded tube 2 and the first lead screw 3, the threaded connection between the second threaded tube 101 and the second lead screw 102, the sliding engagement between the first guide rod 7 and the vehicle body 1, and the sliding engagement between the second guide rod 8 and the vehicle body 1, the compaction plate 104 can be driven to move vertically downward to compact the gravel, while the scraper 4 is driven to move vertically upward to avoid obstructing the compaction process. As the compaction assembly descends, once the compaction plate 104 contacts the ground, the sliding engagement between the vertical rod 201 and the connecting plate 103 causes the compaction plate 104 to compress the spring 202 and bring the second magnet 205 closer to the first magnet 203 until they come into contact and adhere. After compaction is complete, the handwheel is reversed to move the scraper 4 vertically downwards, causing the compaction plate 104 to move vertically upwards. During the upward movement of the compaction plate 104, when the abutment rod 206 inserts into the circular through hole 204 and pushes the second magnet 205 to separate from the first magnet 203, the spring 202's rebound action causes the compaction plate 104 to automatically and quickly reset and vibrate, thereby shaking off the sand and soil adhering to the compaction plate 104. Finally, the device is pulled to repeat the above operation on the next compaction position.

[0036] Furthermore, a further improvement is made in that a push handle is fixedly installed on one side of the vehicle body 1, and front wheels and rear wheels are rotatably connected to the bottom sides of the vehicle body 1, which facilitates the movement of the push-pull device.

[0037] Furthermore, the same or similar element symbols are used as far as possible in the accompanying drawings and description to refer to the same or similar parts or steps. The drawings are presented in a simplified form and are not drawn to scale. For convenience and clarity only, directional terms such as top, bottom, left, right, upward, above, above, below, behind, and front may be used to refer to the drawings. These and similar directional terms should not be construed as limiting the scope of this disclosure in any way.

Claims

1. A water-stabilized base course leveling device, characterized in that, include: Vehicle body (1); The first threaded tube (2) is rotatably connected to the top of the vehicle body (1). The inner side of the first threaded tube (2) is threaded with a first lead screw (3). The bottom end of the first lead screw (3) is fixedly connected with a scraper (4). The compaction assembly includes a second threaded pipe (101) rotatably connected to the top of the vehicle body (1), a second screw (102) is threadedly connected to the inside of the second threaded pipe (101), a connecting plate (103) is fixedly connected to the bottom end of the second screw (102), and a compaction plate (104) is provided below the connecting plate (103). An anti-adhesion assembly includes a vertical rod (201) fixedly connected to the top of a compaction plate (104). A connecting plate (103) has a sliding hole through the connecting plate (103) at a position corresponding to the vertical rod (201) and is slidably connected to the vertical rod (201). A spring (202) is sleeved on the outside of the vertical rod (201). The two ends of the spring (202) are fixedly connected to the connecting plate (103) and the compaction plate (104) respectively. The anti-adhesion component further includes: A connecting frame is symmetrically and fixedly connected to the top of the connecting plate (103). A first magnet block (203) is fixedly installed at the top of the connecting frame. A circular through hole (204) is opened on the first magnet block (203). The second magnet block (205) is circular and is fixedly installed at the top of the vertical rod (201); Abutment rod (206) is symmetrically and fixedly connected to the bottom of the vehicle body (1).

2. The water-stabilized base course leveling device according to claim 1, characterized in that, The first threaded tube (2) and the second threaded tube (101) are both fixedly fitted with worm gears (5). The top of the vehicle body (1) is rotatably connected with a worm (6). There are two sets of worm gears (6) and they are respectively meshed with the worm gears (5) on the same side. The two sets of worm gears (6) are fixedly connected by a connecting shaft. One end of one worm gear (6) is coaxially fixedly connected with a handwheel.

3. The water-stabilized base course leveling device according to claim 1, characterized in that, The top of the scraper (4) is symmetrically fixedly connected with a first guide rod (7), and the first guide rod (7) is slidably connected to the vehicle body (1).

4. The water-stabilized base course leveling device according to claim 1, characterized in that, The top of the connecting plate (103) is symmetrically fixedly connected with a second guide rod (8), and the second guide rod (8) is slidably connected to the vehicle body (1).

5. The water-stabilized base course leveling device according to claim 1, characterized in that, The diameter of the abutment rod (206) is smaller than the diameter of the circular through hole (204).

6. The water-stabilized base course leveling device according to claim 1, characterized in that, The diameter of the second magnet block (205) is larger than the diameter of the circular through hole (204).

7. The water-stabilized base course leveling device according to claim 1, characterized in that, The magnetic poles of the opposite sides of the first magnet block (203) and the second magnet block (205) are opposite.

8. The water-stabilized base course leveling device according to claim 1, characterized in that, The abutment rod (206) is made of a non-magnetic material.

9. A water-stabilized base course leveling device according to claim 1, characterized in that, A push handle is fixedly installed on one side of the vehicle body (1), and the front wheel and the rear wheel are rotatably connected to the bottom sides of the vehicle body (1).

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