Subgrade milling and planing device

Abstract

The application relates to the field of road surface milling, and discloses a roadbed milling and leveling device which comprises a shell and a leveling assembly; a road surface leveling plate is arranged at the corresponding position of the shell and the road surface; a roadbed leveling plate is arranged at the corresponding position of the shell and the roadbed, and a roller is rotatably arranged at the lower side of the roadbed leveling plate; a first rotating wheel is fixedly arranged at the middle position of one side of the road surface leveling plate, a second rotating wheel is arranged at one side of the roadbed leveling plate, a first limiting block is arranged on each of the two side walls of the road surface leveling plate, an inner wall of the shell is provided with a first arc-shaped groove matched with the first limiting block, and first springs matched with the first arc-shaped groove are arranged at the two sides of the first limiting block; a second limiting block is arranged on each of the two side walls of the roadbed leveling plate, an inner wall of the shell is provided with a second arc-shaped groove matched with the second limiting block, and second springs matched with the second arc-shaped groove are arranged at the two sides of the second limiting block; the device can complete leveling work under different conditions, is convenient to use, and has safety operability.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of subgrade milling, and particularly relates to a subgrade milling leveling device. BACKGROUND

[0002] The subgrade milling device is a heavy machinery equipment specially used for road construction and maintenance. Its main function is to remove the upper layer of the road surface, whether it is asphalt or concrete, to prepare for new road paving or repair work;

[0003] The prior art subgrade milling device has a series of deficiencies, such as the following: function dispersion: the traditional milling device may only focus on one function, such as pure milling, which leads to the need for multiple devices to complete the entire subgrade maintenance process, reducing work efficiency; the conventional milling device may not be designed for the side of the subgrade, which may not be completely attached to the side of the subgrade during work, affecting the accuracy and efficiency of milling; dust problem and equipment overheating: a large amount of dust may be generated during milling, and the equipment may also overheat due to long-time work, affecting the work quality and service life of the equipment; asphalt waste generated during milling may not be effectively collected and treated, resulting in a messy work site; the traditional device may need to manually control multiple components, increasing the complexity of operation; the surface after milling may not be flat enough, affecting the driving quality of the road; the device may not be stable during work, resulting in poor milling effect; the traditional milling device may not be easily connected with other devices, reducing the degree of mechanization and automation of work.

[0004] The milling leveling device is an important part of subgrade milling, but the milling leveling device in the prior art often has the following deficiencies:

[0005] Single leveling reference: the traditional milling leveling device may only use one of the road surface or the subgrade as a leveling reference, limiting its applicability in variable working conditions.

[0006] Insufficient adjustment accuracy: the existing device may lack a fine adjustment mechanism, which makes it difficult to accurately control the depth and angle during milling operations, affecting the final work quality.

[0007] Complex operation: if the control mechanism of the existing device is not designed to be user-friendly, more manual intervention and technical knowledge may be required, increasing the difficulty of the operation for the operator.

[0008] Safety risk: the old design may not have enough safety locking mechanism, and there may be potential safety risks during use, such as accidental rotation of the leveling plate, which may cause damage to the device or injury to the personnel.

[0009] Poor adaptability: traditional devices may not be able to adapt to various roadbed conditions, especially unable to maintain the stability of milling depth and direction on uneven roadbeds, affecting the construction effect.

[0010] Poor structural stability: due to insufficient structural design, the device may be easily affected by vibration and uneven road surface during operation, reducing work accuracy. SUMMARY

[0011] The purpose of the present application is to provide a roadbed milling leveling device to solve the problems raised in the above background.

[0012] Based on the above idea, the present application provides the following technical scheme: a roadbed milling leveling device comprises:

[0013] a housing and a leveling assembly;

[0014] The leveling assembly comprises a road surface leveling plate, a first rotating wheel, a first arc-shaped slot, a first limiting block, a first spring, a second rotating wheel, a roadbed leveling plate, a second arc-shaped slot, a second spring and a second limiting block;

[0015] The road surface leveling plate is arranged at the corresponding position of the housing and the road surface; the roadbed leveling plate is arranged at the corresponding position of the housing and the roadbed, and the lower side of the roadbed leveling plate is provided with a guide assembly, and the guide assembly comprises a roller;

[0016] A first rotating wheel is fixedly arranged at the middle position of one side of the road surface leveling plate; one side of the first rotating wheel is rotatably connected with the inner wall of the housing; the roadbed leveling plate is provided with a second rotating wheel on one side; one side of the second rotating wheel is rotatably connected with the inner wall of the housing;

[0017] Each of the two side walls of the road surface leveling plate is provided with a first limiting block; the inner wall of the housing is provided with a first arc-shaped slot matched with the first limiting block; the two sides of the first limiting block are provided with first springs matched with the first arc-shaped slot;

[0018] Each of the two side walls of the roadbed leveling plate is provided with a second limiting block; the inner wall of the housing is provided with a second arc-shaped slot matched with the second limiting block; the two sides of the second limiting block are provided with second springs matched with the second arc-shaped slot.

[0019] Preferably, a side slot, a control rod, a vertical rod and a clamping rod;

[0020] The upper side of the first rotating wheel and the lower side of the second rotating wheel are respectively provided with a clamping groove, the vertical rod is slidingly arranged in the interior of the shell, the upper and lower sides of the vertical rod are respectively provided with a clamping rod which is clamped with the clamping groove of the first rotating wheel and the second rotating wheel, the clamping rod and the clamping groove are in interference fit, the side surface of the vertical rod is fixedly provided with the control rod which penetrates the shell, and the side wall of the shell is provided with the side groove which is in sliding fit with the control rod.

[0021] When the clamping rod on the upper side of the vertical rod is matched with the clamping groove of the second rotating wheel, the clamping rod on the lower side of the vertical rod is disengaged from the first rotating wheel.

[0022] When the clamping rod on the lower side of the vertical rod is matched with the clamping groove of the first rotating wheel, the clamping rod on the upper side of the vertical rod is disengaged from the second rotating wheel.

[0023] Further comprising: a water spraying assembly; a milling assembly; a grinding assembly; a slag collecting assembly; the shell is hollowly arranged, and the side surface of the shell is arranged in L shape to fit the shape of the side surface of the roadbed; the milling assembly is used for milling the roadbed, and is arranged on the lower side of the shell; the water spraying assembly is used for wetting the roadbed and cooling the milling assembly, and is arranged on one side of the milling assembly; the grinding assembly is used for grinding the milled roadbed, and is arranged on the other side of the milling assembly; the slag collecting assembly is used for collecting the waste slag generated by the working of the milling assembly and the grinding assembly, and is arranged on the lower side of the grinding assembly through the shell; the working of the milling assembly drives the movement of the water spraying assembly, the grinding assembly and the slag collecting assembly respectively.

[0024] Preferably, the milling assembly comprises: a rotating drum, a milling cutter, a groove and a rotating motor; the rotating drum is rotationally arranged at the middle position of the lower side of the shell, a plurality of milling cutters are fixedly arranged in the annular array on the outer side of the rotating drum, the rotating motor is fixedly arranged in the interior of the upper side of the shell, the output end of the rotating motor is fixedly connected with the upper end of the rotating drum, the groove is arranged on the rotating direction of the interior of the shell towards the milling cutter, the rotating drum is driven to rotate by starting the rotating motor, so that the milling cutter mills the asphalt adhered to the side surface of the roadbed, the design of the groove enables the asphalt waste slag to move to the interior of the shell, which is convenient for collection, and the layered milling of the roadbed is realized by changing the thickness of the milling cutter.

[0025] Preferably, the water spraying assembly comprises a water spraying port, a communication pipe, a water storage bin, a moving plate, a first cam and a spring telescopic rod; the water storage bin is provided with water, a plurality of the water storage bins are arranged in the inside of the shell in an up-down manner, the middle position of the outside of the water storage bin is provided with the water spraying port, the water spraying port penetrates the shell, the position of the water spraying port in the inside of the water storage bin is communicated with the communication pipe, the communication pipe contacts the bottom of the water storage bin, the moving plate is slidingly and sealingly arranged on the upper side of the water storage bin, the spring telescopic rod is fixed between the upper end surface of the water storage bin and the moving plate, the first cam is further arranged between the water storage bin and the moving plate, the up-down movement of the moving plate can be controlled through the rotation of the first cam, the water spraying effect is generated by changing the atmospheric pressure in the water storage bin, the roadbed is moistened to facilitate milling, and the milling assembly can be cooled.

[0026] Preferably, the milling assembly further comprises a driving wheel, the water spraying assembly further comprises a first rotating rod, a first bevel gear, a first driven wheel, a second rotating rod and a second bevel gear, the output end of the rotating motor is further fixedly connected with the driving wheel, the driving wheel is engaged with the first driven wheel, the second rotating rod penetrates through the first driven wheel and is fixedly connected therewith, a plurality of the second bevel gears are further arranged on the second rotating rod, the second bevel gears are engaged with the first bevel gear, the first bevel gear is connected with one end of the first rotating rod, the other end of the first rotating rod is connected with the first cam, the first rotating rod penetrates through the upper side of the water storage bin and is rotationally connected therewith, the rotation of the driving wheel 305 drives the rotation of the first driven wheel 209, the rotation of the second rotating rod 210 drives the rotation of the second bevel gear 211, the rotation of the first bevel gear 208 drives the rotation of the first rotating rod 205, and the moving plate 204 reciprocates up and down through the arrangement of the first cam 206 and the spring telescopic rod 207.

[0027] Preferably, the milling assembly comprises:

[0028] a milling plate, a connecting rod, a first sliding groove, a fixed rod, a connecting plate, a second sliding groove and a second cam, the first sliding groove is provided with four, the first sliding groove is arranged in the inner wall of the shell, the end of the connecting rod is slidingly connected with the first sliding groove, the fixed rod is fixedly connected between the connecting rods corresponding in up-down direction, the connecting plate is fixedly connected between the fixed rods, the second cam is arranged on the lower side of the connecting plate, the connecting plate and the inner wall of the shell are connected through the second sliding groove, the connecting rod extends to the outside of the shell and is slidingly connected therewith, and the milling plate is fixedly arranged on the outside of the connecting rod.

[0029] Preferably, the grinding assembly further comprises a third rotating shaft, a second driven wheel, a third bevel gear, a fourth bevel gear, a fourth rotating shaft, a fifth bevel gear and a fifth rotating shaft; the fifth rotating shaft is fixedly connected with the second cam, the end of the fifth rotating shaft is provided with the fifth bevel gear, the fifth bevel gear is engaged with the fourth bevel gear, the fourth bevel gear is arranged at both ends of the fourth rotating shaft, the fourth bevel gear at the other end is engaged with the third bevel gear, the third bevel gear is fixedly arranged at the middle position of the third rotating shaft, the third rotating shaft penetrates through the second driven wheel and is fixedly connected with the second driven wheel, the second driven wheel is fixedly connected with the driving wheel, and the rotation of the second driven wheel 409 drives the rotation of the third rotating shaft 408, the rotation of the third bevel gear 410, the rotation of the fourth bevel gear 411, the rotation of the fourth rotating shaft 412, the rotation of the fifth bevel gear, the rotation of the fifth rotating shaft and the rotation of the second cam 407; under the gravity of the connecting plate 405 and the rotation of the second cam 407, the up-down reciprocating movement of the grinding plate is realized, and the polishing of the side surface of the milled roadbed is realized.

[0030] Preferably, the slag collecting assembly comprises a slag collecting outer groove, a slag collecting inner groove, a track, a driven rod and a driving rod; the slag collecting outer groove penetrates through the shell and is connected with the slag collecting inner groove arranged in the shell, the track is arranged at the bottom of the slag collecting outer groove and extends into the slag collecting inner groove, the driven rod and the driving rod are arranged at the middle position of the track and are used for driving the track, and the driving rod is arranged at the side of the track close to the slag collecting inner groove; the slag collecting outer groove is upwardly open to collect asphalt waste generated by the polishing assembly, and the slag collecting inner groove is open to the position of the milling assembly to collect asphalt waste generated by the milling assembly.

[0031] Preferably, the slag collecting assembly further comprises a sixth bevel gear and a seventh bevel gear; the sixth bevel gear is fixedly arranged at one side of the driving rod, the sixth bevel gear is engaged with the seventh bevel gear, and the seventh bevel gear is fixedly connected with the third rotating shaft; through the rotation of the third rotating shaft 408, the rotation of the seventh bevel gear 707, the rotation of the sixth bevel gear 704, the rotation of the driving rod 706, the rotation of the track 703, the asphalt waste collected by the slag collecting outer groove 701 is transported into the slag collecting inner groove for storage.

[0032] Preferably, the slag collecting assembly further comprises a guiding assembly and a connecting assembly; the guiding assembly comprises a roller arranged at the contact surface of the shell and the upper side of the roadbed; and the connecting assembly is arranged at the upper side of the shell and is used for connecting a rod member for driving the shell to move.

[0033] Compared with the prior art, the present application has the following beneficial effects:

[0034] Automation and Simplification of Operations: Through the internal gear, rotating rod, and other linkage structures, the device can achieve the coordinated work of multiple components. This means that when the operator starts one function, the rest will automatically follow. Such automation linkage not only reduces the complexity of operation, but also reduces the operation error, so that non-professionals can easily get started.

[0035] Improving Work Efficiency and Continuity: Mechanical linkage ensures high coordination between components, from milling to grinding to slag collection, the whole process is smooth and uninterrupted, greatly reducing the possibility of work interruption. This continuous workflow ensures efficient task completion and shortens the project cycle.

[0036] Reducing Equipment Maintenance and Failure Rate: The linkage design usually considers the coordination and balance between components, which means that the pressure distribution of the entire system is more uniform. Uniform pressure distribution can reduce the excessive wear of individual components, thereby extending the service life of the device, reducing the need for frequent maintenance and potential failure rate.

[0037] Dual Leveling Function: The device contains two leveling plates (road leveling plate and roadbed leveling plate), which can be selected as the reference point for leveling the road surface or the roadbed, providing greater flexibility in work.

[0038] Precise Control: Through the combination of built-in rotating wheels, arc-shaped grooves, limit blocks, and springs, the position of the leveling plate can be precisely adjusted to ensure the stability of the device during milling and the flatness of the milling layer.

[0039] Easy Operation: The design of the control lever allows the operator to easily control the switching and adjustment of the leveling plate, making the operation process more convenient and efficient.

[0040] Safety: The design of the device takes into account the safety of operation, and the locking mechanism ensures that the unselected leveling plate is locked during milling operations, preventing accidental rotation and ensuring job safety.

[0041] Self-adaptive Rotation: Through guide components such as rollers, the roadbed leveling plate can rotate at different angles, allowing the device to adapt to uneven roadbeds and ensuring smooth milling work.

[0042] Structural Stability: The design of side grooves, vertical rods, and clamping rods provides structural stability and firmness, reducing errors caused by vibration or uneven road surfaces.

[0043] In summary, this roadbed milling and leveling device not only provides flexible milling solutions to adapt to different working scenarios, but also ensures the convenience and safety of operation, thereby improving work efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 A main structure schematic diagram of a kind of roadbed milling leveling device of the present application;

[0045] Figure 2 A main structure schematic diagram of the water spraying subassembly of a kind of roadbed milling leveling device of the present application;

[0046] Figure 3 A partial structure schematic diagram of the water spraying subassembly of a kind of roadbed milling leveling device of the present application;

[0047] Figure 4 A main structure schematic diagram of the milling subassembly of a kind of roadbed milling leveling device of the present application;

[0048] Figure 5 A sectional view of the milling cutter of a kind of roadbed milling leveling device of the present application;

[0049] Figure 6 A main structure schematic diagram of the grinding subassembly of a kind of roadbed milling leveling device of the present application;

[0050] Figure 7 A partial overhead schematic diagram of the grinding subassembly of a kind of roadbed milling leveling device of the present application;

[0051] Figure 8 A main structure schematic diagram of the slag collecting subassembly of a kind of roadbed milling leveling device of the present application;

[0052] Figure 9 A partial structure schematic diagram of the slag collecting subassembly of a kind of roadbed milling leveling device of the present application;

[0053] Figure 10 A principle diagram of the second embodiment of a kind of roadbed milling leveling device of the present application;

[0054] Figure 11 A main structure schematic diagram of the leveling subassembly of a kind of roadbed milling leveling device of the present application;

[0055] Figure 12 A structure schematic diagram of the roadbed leveling plate of a kind of roadbed milling leveling device of the present application;

[0056] Figure 13 A main structure schematic diagram of the roadbed leveling plate and shell connection of a kind of roadbed milling leveling device of the present application;

[0057] Figure 14 A kind of roadbed milling leveling device of the present application Figure 13 The enlarged schematic diagram of A place;

[0058] Figure 15 A main structure schematic diagram of the roadbed leveling plate of a kind of roadbed milling leveling device of the present application;

[0059] Figure 16 This is a schematic diagram showing the connection between the vertical rod and the first and second rotating wheels of a roadbed milling and leveling device according to the present invention.

[0060] In the diagram: 1. Housing; 2. Water spray assembly; 3. Milling assembly; 4. Grinding assembly; 5. Guide assembly; 6. Connecting assembly; 7. Slag collection assembly; 8. Leveling assembly; 201. Water nozzle; 202. Connecting pipe; 203. Water storage tank; 204. Moving plate; 205. First rotating rod; 206. First cam; 207. Spring telescopic rod; 208. First bevel gear; 209. First driven wheel; 210. Second rotating rod; 211. Second bevel gear; 301. Rotary cylinder; 302. Milling cutter; 303. Groove; 304. Rotating motor; 305. Driving wheel; 401. Grinding plate; 402. Connecting rod; 403. First sliding groove; 404. Fixed rod; 405. Connecting plate; 406. Second sliding groove; 407. Second cam; 4 08. Third rotating rod; 409. Second driven wheel; 410. Third bevel gear; 411. Fourth bevel gear; 412. Fourth rotating rod; 413. Fifth bevel gear; 414. Fifth rotating rod; 701. Outer slag collection trough; 702. Inner slag collection trough; 703. Track; 704. Sixth bevel gear; 705. Driven rod; 706. Driving rod; 707. Seventh bevel gear; 801. Road surface leveling plate; 802. Side groove; 803. Control rod; 804. First rotating wheel; 805. First arc-shaped groove; 806. First limiting block; 807. First spring; 808. Second rotating wheel; 809. Roadbed leveling plate; 810. Second arc-shaped groove; 811. Second spring; 812. Second limiting block; 813. Vertical rod; 814. Locking rod. Detailed Implementation

[0061] Example

[0062] like Figures 1-9 A roadbed milling and leveling device includes: a housing 1; a water spraying assembly 2; a milling assembly 3; a grinding assembly 4; and a slag collection assembly 7. The housing 1 is hollow, and its side is L-shaped to fit the shape of the roadbed side. The milling assembly 3 is used to mill the roadbed and is located on the lower side of the housing. The water spraying assembly 2 is used to wet the roadbed and cool the milling assembly 3 and is located on one side of the milling assembly 3. The grinding assembly 4 is used to grind the milled roadbed and is located on the other side of the milling assembly 3. The slag collection assembly 7 is used to collect the slag generated by the milling assembly 3 and the grinding assembly 4 and is located on the lower side of the grinding assembly 4, penetrating the housing 1. The operation of the milling assembly 3 drives the movement of the water spraying assembly 2, the grinding assembly 4, and the slag collection assembly 7.

[0063] Specifically, the milling assembly 3 comprises a rotating drum 301, a milling cutter 302, a groove 303 and a rotating motor 304; the rotating drum 301 is rotatably arranged at the middle position of the lower side of the shell 1, the outer side of the rotating drum 301 is annularly arranged and fixed with a plurality of milling cutters 302, the milling cutters 302 are provided in plurality, the rotating motor 304 is fixedly arranged at the inner side of the upper side of the shell 1, the output end of the rotating motor 304 is fixedly connected with the upper end of the rotating drum 301, the milling cutter 302 is provided with the groove 303 in the rotating direction towards the inside of the shell 1, the rotating drum 301 is driven to rotate by starting the rotating motor 304, so that the milling cutter 302 mills the asphalt adhered to the side surface of the roadbed, the design of the groove 303 enables the asphalt waste to move towards the inside of the shell 1, facilitating collection, and the thickness of the milling cutter is changed to realize the layered milling of the roadbed.

[0064] Specifically, the water spraying assembly 2 comprises a water spraying port 201, a communication pipe 202, a water storage bin 203, a moving plate 204, a first cam 206 and a spring telescopic rod 207; the water storage bin 203 is provided with water, the water storage bin 203 is provided in plurality, the plurality of water storage bins 203 are arranged in up-down arrangement in the inside of the shell 1, the middle position of the outer side of the water storage bin 203 is provided with the water spraying port 201, the water spraying port 201 penetrates the shell 1, the position of the water spraying port 201 in the inside of the water storage bin 203 is communicated with the communication pipe 202, the communication pipe 202 contacts the bottom of the water storage bin 203, the moving plate 204 is slidingly and sealingly arranged at the upper side of the water storage bin 203, the spring telescopic rod 207 is fixedly arranged between the upper end surface of the water storage bin 203 and the moving plate 204, the first cam 206 is further arranged between the water storage bin 203 and the moving plate 204, the up-down movement of the moving plate 204 can be controlled by the rotation of the first cam 206, the water spraying effect is generated by changing the atmospheric pressure in the water storage bin, the roadbed is moistened to facilitate milling, and the milling assembly can be cooled.

[0065] Specifically, the milling assembly 3 further comprises a driving wheel 305; the water spraying assembly 2 further comprises a first rotating rod 205, a first bevel gear 208, a first driven wheel 209, a second rotating rod 210 and a second bevel gear 211; the output end of the rotating motor 304 is further fixedly connected with the driving wheel 305; the driving wheel 305 is engaged with the first driven wheel 209, the second rotating rod 210 penetrates through and is fixedly connected with the first driven wheel 209, a plurality of the second bevel gears 211 are further arranged on the second rotating rod 210, the second bevel gears 211 are engaged with the first bevel gear 208, the first bevel gear 208 is connected with one end of the first rotating rod 205, the other end of the first rotating rod 205 is connected with the first cam 206, the first rotating rod 205 penetrates through the upper side of the water storage bin 203 and is rotationally connected therewith, the rotation of the driving wheel 305 drives the rotation of the first driven wheel 209, the rotation of the second rotating rod 210, the rotation of the second bevel gears 211, the rotation of the first bevel gear 208 and the rotation of the first rotating rod 205, and the reciprocating movement of the moving plate 204 is realized through the arrangement of the first cam 206 and the spring telescopic rod 207.

[0066] Specifically, the grinding assembly 4 comprises:

[0067] a grinding plate 401, a connecting rod 402, four first sliding grooves 403, a fixed rod 404, a connecting plate 405, a second sliding groove 406 and a second cam 407; the first sliding grooves 403 are arranged on the inner wall of the shell 1, the end portions of the connecting rods 402 are slidably connected with the first sliding grooves 403, the fixed rod 404 is fixedly connected between the connecting rods 402 corresponding in up and down, the connecting plate 405 is fixedly connected between the fixed rods 404, the second cam 407 is arranged on the lower side of the connecting plate 405, the connecting plate 405 and the inner wall of the shell 1 are connected through the second sliding groove 406, the connecting rod 402 extends to the outer side of the shell 1 and is slidably connected therewith, and the grinding plate 401 is fixedly arranged on the outer side of the connecting rod 402.

[0068] Specifically, the grinding assembly 4 further comprises a third rotating shaft 408, a second driven wheel 409, a third bevel gear 410, a fourth bevel gear 411, a fourth rotating shaft 412, a fifth bevel gear 413 and a fifth rotating shaft 414; the second cam 407 is fixedly connected with the fifth rotating shaft 414, the end of the fifth rotating shaft 414 is provided with the fifth bevel gear 413, the fifth bevel gear 413 is engaged with the fourth bevel gear 411, the fourth bevel gear 411 is arranged at the two ends of the fourth rotating shaft 412, the fourth bevel gear 411 at the other end is engaged with the third bevel gear 410, the third bevel gear 410 is fixedly arranged at the middle position of the third rotating shaft 408, the third rotating shaft 408 penetrates through the second driven wheel 409 and is fixedly connected therewith, the second driven wheel 409 is fixedly connected with the driving wheel 305, the rotation of the second driven wheel 409 drives the rotation of the third rotating shaft 408, the rotation of the third bevel gear 410, the rotation of the fourth bevel gear 411, the rotation of the fourth rotating shaft 412, the rotation of the fifth bevel gear 413, the rotation of the fifth rotating shaft and the rotation of the second cam 407, and the reciprocating movement of the grinding plate 401 up and down is realized under the gravity of the connecting plate 405 and the rotation of the second cam 407, thereby achieving the grinding of the side surface of the milled roadbed.

[0069] Specifically, the slag collecting assembly 7 comprises a slag collecting outer groove 701, a slag collecting inner groove 702, a track 703, a driven rod 705 and a driving rod 706; the slag collecting outer groove 701 penetrates through the shell 1 and is connected with the slag collecting inner groove 702 arranged in the shell 1, the track 703 is arranged at the bottom of the slag collecting outer groove 701 and extends into the slag collecting inner groove 702, the driven rod 705 and the driving rod 706 are arranged at the middle position of the track 703 for driving the track 703, the driving rod 706 is arranged at the side of the track 703 close to the slag collecting inner groove 702, the slag collecting outer groove 701 is upwardly open to collect the asphalt waste generated by the grinding assembly, and the slag collecting inner groove 702 is open to the position of the milling assembly 3 to collect the asphalt waste generated by the milling assembly.

[0070] Specifically, the slag collecting assembly 7 further comprises a sixth bevel gear 704 and a seventh bevel gear 707; the sixth bevel gear 704 is fixedly arranged at one side of the driving rod 706, and the sixth bevel gear 704 is engaged with the seventh bevel gear 707; the seventh bevel gear 707 is fixedly connected with the third rotating shaft 408, and the rotation of the third rotating shaft 408 drives the rotation of the seventh bevel gear 707, the rotation of the sixth bevel gear 704, the rotation of the driving rod 706 and the rotation of the track 703, so as to transport the asphalt waste collected by the slag collecting outer groove 701 into the slag collecting inner groove 702 for storage.

[0071] Specifically, it also includes a guiding component 5 and a connecting component 6. The guiding component 5 includes rollers that are placed on the contact surface between the shell 1 and the roadbed. The connecting component 6 is placed on the upper side of the shell 1 and is used to connect a rod that drives the shell 1 to move.

[0072] The benefits of this embodiment are as follows:

[0073] Multifunctional integration: This device integrates milling, grinding, wetting, and slag collection, allowing multiple steps of roadbed maintenance to be completed in one device, improving work efficiency.

[0074] L-shaped design: The L-shaped design of the shell makes it easier to fit with the side of the roadbed, enhancing the accuracy and efficiency of milling.

[0075] Water spraying component: The water spraying component can both wet the roadbed to reduce dust and cool down the milling component to prevent overheating and damage to the device or affect work efficiency.

[0076] Groove design: The groove design in the milling component makes it easier to collect asphalt waste, improving slag collection efficiency.

[0077] Automatic driving: The linkage between multiple components through gears, rotating rods, and other structures allows the device to automatically work multiple components after starting one motor, reducing operational complexity.

[0078] Grinding component: The grinding component ensures the smoothness of the roadbed surface after milling, improving the driving quality of the road.

[0079] Slag collection design: The slag collection component effectively collects and stores waste generated during the milling and grinding process, keeping the work site clean.

[0080] Guiding component: The rollers as the guiding component ensure the smooth movement of the device along the roadbed, improving work stability.

[0081] Connecting component: The device can be connected to other equipment, such as a tractor, to achieve mechanized and automated movement.

[0082] In summary, this device provides an efficient, stable, and comprehensive solution for milling, grinding, and cleaning of roadbeds, greatly improving the efficiency and quality of road maintenance and construction.

[0083] Embodiment

[0084] As Figure 10In practice, it is found that the efficiency of the polishing of the side surface of the milled roadbed by the up-down reciprocating movement of the grinding plate 401 under the gravity of the connecting plate 405 and the rotation of the second cam 407 is not high enough, because the gravity of the connecting plate 405 is not enough. The second cam 407 can be replaced by a rotating wheel, the connecting plate 405 is adjusted by 90 degrees, a driving block is arranged on the rotating wheel, the end surface of the connecting plate 405 is provided with a transverse sliding groove, the driving block slides in the transverse sliding groove when the rotating wheel rotates, and the connecting plate moves up and down. At this time, the up-down reciprocating movement of the grinding plate is more stable, and the polishing effect is better.

[0085] Embodiment

[0086] As Figures 11-16 A roadbed milling and leveling device comprises:

[0087] The shell 1 and the leveling assembly 8;

[0088] The leveling assembly 8 comprises a road surface leveling plate 801, a first rotating wheel 804, a first arc-shaped groove 805, a first limiting block 806, a first spring 807, a second rotating wheel 808, a roadbed leveling plate 809, a second arc-shaped groove 810, a second spring 811 and a second limiting block 812;

[0089] The road surface leveling plate 801 is arranged at a corresponding position of the shell 1 and the road surface. The roadbed leveling plate 809 is arranged at a corresponding position of the shell 1 and the roadbed. The lower side of the roadbed leveling plate 809 is rotatably provided with a guide assembly 5, and the guide assembly 5 comprises a roller;

[0090] A side of the road surface leveling plate 801 is fixedly provided with the first rotating wheel 804 at a middle position. One side of the first rotating wheel 804 is rotatably connected with the inner wall of the shell 1. One side of the roadbed leveling plate 809 is provided with the second rotating wheel 808. One side of the second rotating wheel 808 is rotatably connected with the inner wall of the shell 1;

[0091] Each of the two side walls of the road surface leveling plate 801 is provided with a first limiting block 806. The inner wall of the shell 1 is provided with the first arc-shaped groove 805 matched with the first limiting block 806. The two sides of the first limiting block 806 are provided with the first spring 807 matched with the first arc-shaped groove 805;

[0092] Each of the two side walls of the roadbed leveling plate 809 is provided with a second limiting block 812. The inner wall of the shell 1 is provided with the second arc-shaped groove 810 matched with the second limiting block 812. The two sides of the second limiting block 812 are provided with the second spring 811 matched with the second arc-shaped groove 810.

[0093] Preferably, the side groove 802, the control rod 803, the vertical rod 813 and the clamping rod 814.

[0094] The upper side of the first rotating wheel 804 and the lower side of the second rotating wheel 808 are respectively provided with a clamping groove, the vertical rod 813 is slidingly arranged in the inside of the shell 1, the upper and lower sides of the vertical rod 813 are respectively provided with the clamping rod 814 clamped with the clamping grooves of the first rotating wheel 804 and the second rotating wheel 808, the clamping rod 814 is in interference fit with the clamping groove, the side surface of the vertical rod 813 is fixedly provided with the control rod 803, the control rod 803 penetrates through the shell 1, and the side wall of the shell 1 is provided with the side groove 802 in sliding fit with the control rod 803;

[0095] When the clamping rod 814 on the upper side of the vertical rod 813 is in fit with the clamping groove of the second rotating wheel 808, the clamping rod 814 on the lower side of the vertical rod 813 is out of fit with the first rotating wheel 804;

[0096] When the clamping rod 814 on the lower side of the vertical rod 813 is in fit with the clamping groove of the first rotating wheel 804, the clamping rod 814 on the upper side of the vertical rod 813 is out of fit with the second rotating wheel 808;

[0097] Working principle:

[0098] When it is needed to take the roadbed as the leveling reference and make the milling device level, the control rod 803 is moved downward, at this time, the vertical rod 813 drives the clamping rod 814 to move downward, the clamping rod 814 is in fit with the clamping groove of the first rotating wheel 804 and is out of fit with the clamping groove of the second rotating wheel 808, the first rotating wheel 804 is in a locked state and cannot rotate, the second rotating wheel 808 can rotate, at this time, the roadbed leveling plate 809 is rotated under the angle of the roadbed, the second limiting block 812 moves in the second arc-shaped groove 810, so that the roadbed milling device always mills along the parallel position of the roadbed;

[0099] When it is needed to take the roadbed as the leveling reference and make the milling device level, the control rod 803 is moved downward, at this time, the vertical rod 813 drives the clamping rod 814 to move downward, the clamping rod 814 is in fit with the clamping groove of the first rotating wheel 804 and is out of fit with the clamping groove of the second rotating wheel 808, the first rotating wheel 804 is in a locked state and cannot rotate, the second rotating wheel 808 can rotate, at this time, the roadbed leveling plate 809 is rotated under the angle of the roadbed, the second limiting block 812 moves in the second arc-shaped groove 810, so that the roadbed milling device always mills along the parallel position of the roadbed;

[0100] The device can complete leveling work in different situations, is convenient to use, and has safety operability.

Claims

1. A subgrade milling and planing device characterized by, The utility model relates to a road surface milling and grinding machine, including: The shell and the leveling assembly; The leveling assembly includes a road surface leveling plate, a first rotating wheel, a first arc-shaped slot, a first limiting block, a first spring, a second rotating wheel, a roadbed leveling plate, a second arc-shaped slot, a second spring and a second limiting block; The road surface leveling plate is arranged at the corresponding position of the shell and the road surface, and the roadbed leveling plate is arranged at the corresponding position of the shell and the roadbed, the lower side of the roadbed leveling plate is provided with a guide assembly, and the guide assembly includes a roller; The middle position of one side of the road surface leveling plate is fixedly provided with the first rotating wheel, one side of the first rotating wheel is rotatably connected with the inner wall of the shell, one side of the second rotating wheel is arranged on the roadbed leveling plate, and the second rotating wheel is rotatably connected with the inner wall of the shell; A first limiting block is arranged on each of the two side walls of the road surface leveling plate, the inner wall of the shell is provided with the first arc-shaped slot matched with the first limiting block, and the two sides of the first limiting block are provided with the first spring matched with the first arc-shaped slot; A second limiting block is arranged on each of the two side walls of the roadbed leveling plate, the inner wall of the shell is provided with the second arc-shaped slot matched with the second limiting block, and the two sides of the second limiting block are provided with the second spring matched with the second arc-shaped slot; The leveling assembly further includes: Side slot, control rod, vertical rod and clamping rod; The upper side of the first rotating wheel and the lower side of the second rotating wheel are each provided with a clamping slot, the vertical rod is slidably arranged in the shell, the upper and lower sides of the vertical rod are each provided with the clamping rod matched with the clamping slots of the first rotating wheel and the second rotating wheel, the clamping rod and the clamping slot are interference-fitted, the side surface of the vertical rod is fixedly provided with the control rod, the control rod penetrates the shell, and the side wall of the shell is provided with the side slot slidably matched with the control rod; When the clamping rod on the upper side of the vertical rod is matched with the clamping slot of the second rotating wheel, the clamping rod on the lower side of the vertical rod is disengaged from the first rotating wheel; When the clamping rod on the lower side of the vertical rod is matched with the clamping slot of the first rotating wheel, the clamping rod on the upper side of the vertical rod is disengaged from the second rotating wheel; Water spraying assembly; Milling assembly; Grinding assembly; Slag collecting assembly; The shell is hollow, and the side surface of the shell is L-shaped and matched with the shape of the side surface of the roadbed; The milling assembly is arranged on the lower side of the shell and is used for milling the roadbed; The water spraying assembly is arranged on one side of the milling assembly and is used for wetting the roadbed and cooling the milling assembly; The grinding assembly is arranged on the other side of the milling assembly and is used for grinding the milled roadbed; The slag collecting assembly is arranged on the lower side of the grinding assembly and penetrates the shell and is used for collecting the waste slag generated by the milling assembly and the grinding assembly; The milling assembly drives the movement of the water spraying assembly, the grinding assembly and the slag collecting assembly.

2. A sub-grade milling and planing device according to claim 1, characterized in that The milling assembly includes: Rotating drum, milling cutter, groove and rotating motor; The rotating drum is arranged at the middle position of the lower side of the shell, the outer side of the rotating drum is provided with a plurality of milling cutters, the rotating motor is fixedly arranged at the inner side of the upper side of the shell, the output end of the rotating motor is fixedly connected with the upper end of the rotating drum, and the milling cutters are provided with grooves in the rotating direction towards the shell.

3. A sub-grade milling and planing device according to claim 2, characterized in that The water spraying assembly comprises: a water spraying port, a communication pipe, a water storage bin, a moving plate, a first cam and a spring telescopic rod; The water storage bin is arranged in the inner side of the shell and is provided with a plurality of water storage bins arranged in the upper and lower sides, the middle position of the outer side of the water storage bin is provided with the water spraying port, the water spraying port penetrates the shell, the position of the water spraying port in the inner side of the water storage bin is communicated with the communication pipe, the communication pipe contacts the bottom of the water storage bin, the moving plate is slidingly and sealingly arranged at the upper side of the water storage bin, the spring telescopic rod is fixedly arranged between the upper end surface of the water storage bin and the moving plate, and the first cam is further arranged between the water storage bin and the moving plate.

4. A sub-grade milling and planing device according to claim 3, characterized in that The milling assembly further comprises: a driving wheel; The water spraying assembly further comprises a first rotating rod, a first bevel gear, a first driven wheel, a second rotating rod and a second bevel gear; The output end of the rotating motor is further fixedly connected with the driving wheel; The driving wheel is engaged with the first driven wheel, the second rotating rod penetrates the first driven wheel and is fixedly connected with the first driven wheel, the second rotating rod is further provided with a plurality of second bevel gears, the second bevel gears are engaged with the first bevel gear, one end of the first bevel gear is connected with the first rotating rod, the other end of the first rotating rod is connected with the first cam, and the first rotating rod penetrates the upper side of the water storage bin and is rotationally connected with the water storage bin.

5. A sub-grade milling and planing device according to claim 4, characterized in that The grinding assembly comprises: a grinding plate, a connecting rod, a first sliding groove, a fixed rod, a connecting plate, a second sliding groove and a second cam; The first sliding groove is provided with four first sliding grooves arranged in the inner wall of the shell, the end of the connecting rod is slidingly connected with the first sliding groove, the fixed rod is fixedly connected between the connecting rods corresponding in the upper and lower sides, the connecting plate is fixedly connected between the fixed rods, the lower side of the connecting plate is provided with the second cam, the connecting plate and the inner wall of the shell are connected through the second sliding groove, the connecting rod extends to the outer side of the shell and is slidingly connected with the shell, and the outer side of the connecting rod is fixedly provided with the grinding plate.

6. A sub-grade milling and planing device according to claim 5, characterized in that The grinding assembly further comprises: a third rotating rod, a second driven wheel, a third bevel gear, a fourth bevel gear, a fourth rotating rod, a fifth bevel gear and a fifth rotating rod; The second cam is fixedly connected with the fifth rotating rod, the fifth rotating rod is provided with the fifth bevel gear at its end, the fifth bevel gear is engaged with the fourth bevel gear, the fourth bevel gear is arranged at both ends of the fourth rotating rod, the fourth bevel gear at the other end is engaged with the third bevel gear, the third bevel gear is fixedly arranged at the middle position of the third rotating rod, the third rotating rod penetrates through the second driven wheel and is fixedly connected with the same, the second driven wheel is fixedly connected with the driving wheel.

7. A sub-grade milling and levelling device according to claim 6, wherein, The slag collecting assembly comprises: a slag collecting outer groove, a slag collecting inner groove, a track, a driven rod and a driving rod; the slag collecting outer groove is connected with the slag collecting inner groove arranged in the shell through the shell, the track is arranged at the bottom of the slag collecting outer groove and extends into the slag collecting inner groove, the driven rod and the driving rod are arranged at the middle position of the track and are used for driving the track, the driving rod is arranged at the side of the track close to the slag collecting inner groove, the slag collecting outer groove is upwardly open, and the slag collecting inner groove is open to the position of the milling assembly.

8. A sub-grade milling and levelling device according to claim 7, characterised in that, The slag collecting assembly further comprises: a sixth bevel gear and a seventh bevel gear; the sixth bevel gear is fixedly arranged at one side of the driving rod, and the sixth bevel gear is engaged with the seventh bevel gear; the seventh bevel gear is fixedly connected with the third rotating rod.

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