Hot in-place recycling double-layer milling equipment
By using flexible stone baffles and water spray components in the hot-in-place regeneration double-layer milling equipment, the problems of gravel splashing and poor dust removal are solved, and better protection and dust suppression effects are achieved.
Patent Information
- Application Number
- CN202421110724.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing in-site thermal regeneration double-layer milling equipment has low dust removal effect, and the front milling device and the rear milling device will splash a lot of gravel during work, resulting in damage to the bottom parts and pipes.
A hot-in-place regeneration double-layer milling equipment including a front milling device and a rear milling device is designed. Stone baffles made of flexible materials are used to prevent gravel splashing, and a water spray assembly is installed on the milling drum to reduce the risk of debris splashing. Gentle and dust-suppressing.
The flexible stone baffle effectively protects the component pipes, and the water spray assembly not only cools down but also suppresses dust, significantly improving the dust removal effect and the service life of the equipment.
Smart Images

Figure CN222375156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of milling equipment, in particular to an in-situ hot regeneration double-layer milling equipment. Background Art
[0002] During the use of highway asphalt pavement, different types of damage such as rutting, bulging, oiling, polishing, flatness reduction, water seepage, pumping, looseness, peeling, etc. will occur. The hot-in-situ regeneration method is to use hot-in-situ regeneration technology and equipment to heat and mill the original pavement, add a certain amount of regeneration agent and supplement the appropriate proportion of new asphalt mixture, and then mix it on-site and re-pave and compact it to form a new pavement;
[0003] Patent "CN201920090818.5" proposes an on-site hot regeneration double-layer milling equipment including a frame, a front milling device, a rear milling device, a material lifting and gathering system, a power unit, a walking system, a spraying device, a fuel tank, a generator, a smoke removal device, a cab, and an outer cover. Two milling devices are equipped on the same equipment; the dust removal effect of the device is low, and at the same time, a large amount of gravel will splash when the front milling device and the rear milling device are working, causing damage to the underbody parts and pipes.
[0004] For this purpose, we propose an on-site hot regeneration double-layer milling equipment. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides an on-site hot regeneration double-layer milling equipment, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an in-situ hot regeneration double-layer milling equipment, as a preferred technical solution of the utility model, comprises a vehicle body, a front milling device and a rear milling device are installed at the lower end of the vehicle body, the front milling device comprises a shell, three groups of milling drums are installed inside the shell, one group of the milling drums is located on the right side of the shell, and the other two groups of the milling drums are located on the left side of the shell, the front milling device and the rear milling device have the same structure, and the stone baffle is made of a flexible material;
[0007] In actual application, during the working process of the front milling device and the rear milling device, a large amount of gravel can be blocked by the stone baffle made of flexible material to prevent the gravel from splashing to the bottom of the vehicle and damaging the parts and pipes under the vehicle, thereby effectively protecting the parts and pipes.
[0008] As a preferred technical solution of the utility model, the outer walls of the front milling device and the rear milling device are respectively installed with water spray assemblies, and the water spray assemblies include mounting seats fixed to both sides of the lower end of the shell, and the lower ends of the mounting seats are fixedly installed with electric telescopic rods, and the lower ends of the electric telescopic rods are fixedly installed with guide pipes, and the two sides of the guide pipes are respectively provided with a plurality of first water spray holes, and the side walls of the guide pipes are connected with hoses, and the hoses are connected to the water source;
[0009] In actual application, the front milling device and the rear milling device cool down the milling drum through the water spray assembly during the working process. At the same time, during the water spraying process, the water stains can stick the fine particles together to reduce the dispersion of fine particles, thereby effectively suppressing dust. At the same time, the water spray assembly will also wet the surface of the stone baffle, and some fine particles can be adsorbed to the surface of the stone baffle through the wet surface of the stone baffle.
[0010] As a preferred technical solution of the utility model, the outer walls on both sides of the front milling device and the rear milling device are respectively installed with stone baffles and mounting components for installing the stone baffles, the mounting components include a clamping plate hinged to the outer wall of the shell, a torsion spring is installed at the position where the clamping plate and the shell are hinged, a fixing column is fixedly arranged on the side of the clamping plate in contact with the stone baffle, and a positioning hole for matching with the fixing column is opened on the outer wall of the stone baffle;
[0011] In actual application, when the stone baffle needs to be installed, the staff presses one end of the clamping plate to open the other end of the clamping plate, and then the stone baffle can be easily taken out for replacement.
[0012] As a preferred technical solution of the utility model, an anti-blocking component is installed inside the water spray component, and the anti-blocking component includes a connecting rod fixed to the lower end of the mounting seat, and a long strip with a triangular cross section is fixedly provided at the lower end of the connecting rod, and two movable plates used in conjunction with the long strip are slidably provided inside the guide tube, and a top column used in conjunction with each first water spray hole is fixedly provided on the outer wall of the movable plate;
[0013] In actual application, after the front milling device and the rear milling device stop working, the electric telescopic rod contracts, the electric telescopic rod drives the guide pipe to rise, the guide pipe drives the movable plate to rise, and the movable plate slides along the side wall of the long strip, so that the top column in the movable plate is close to the first water spray hole and enters the first water spray hole, thereby pushing foreign matter inside the first water spray hole to the outside of the guide pipe, thereby ensuring that there is no foreign matter inside the first water spray hole when it is used next time.
[0014] Beneficial effects of the utility model:
[0015] 1. During the working process, the front milling device and the rear milling device of the utility model can block a large amount of gravel by using the stone baffle made of flexible material to prevent the gravel from splashing to the bottom of the vehicle and damaging the parts and pipes under the vehicle, thereby effectively protecting the parts and pipes;
[0016] 2. During the working process of the front milling device and the rear milling device, the milling drum is cooled down by the water spray component. At the same time, during the water spraying process, the water stains can stick the fine particles together to reduce the dispersion of fine particles, thereby effectively suppressing dust. At the same time, the water spray component will also wet the surface of the stone baffle, and some fine particles can be adsorbed to the surface of the stone baffle through the wet surface of the stone baffle. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the front milling device of the utility model;
[0019] Figure 3 It is a side schematic diagram of the front milling device of the utility model;
[0020] Figure 4 This is a schematic diagram of the installation assembly structure of the utility model;
[0021] Figure 5 It is a schematic diagram of the anti-blocking component structure of the utility model.
[0022] In the figure: 1. vehicle body; 2. rear milling device; 3. front milling device; 301. outer shell; 302. milling drum; 4. water spray assembly; 401. mounting seat; 402. electric telescopic rod; 403. guide pipe; 404. first water spray hole; 5. stone baffle; 6. mounting assembly; 601. clamping plate; 602. torsion spring; 603. fixed column; 7. anti-blocking assembly; 701. connecting rod; 702. long strip; 703. movable plate; 704. top column. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-Figure 3, a hot-regeneration double-layer milling equipment in situ, comprising a vehicle body 1, a front milling device 3 and a rear milling device 2 are installed at the lower end of the vehicle body 1, the front milling device 3 comprises a shell 301, three groups of milling drums 302 are installed inside the shell 301, one group of milling drums 302 is located on the right side of the shell 301, and the other two groups of milling drums 302 are located on the left side of the shell 301, the front milling device 3 and the rear milling device 2 have the same structure, and the stone baffle 5 is made of a flexible material;
[0025] In practical applications, during the operation of the front milling device 3 and the rear milling device 2, a large amount of gravel can be blocked by the stone baffle 5 made of flexible material to prevent the gravel from splashing to the bottom of the vehicle and damaging the parts and pipes under the vehicle, thereby effectively protecting the parts and pipes.
[0026] See also Figure 5 In this embodiment, the outer walls of the front milling device 3 and the rear milling device 2 are respectively installed with water spray components 4, and the water spray components 4 include mounting seats 401 fixed to both sides of the lower end of the housing 301, and the lower ends of the mounting seats 401 are fixedly installed with electric telescopic rods 402, and the lower ends of the electric telescopic rods 402 are fixedly installed with guide pipes 403, and the two sides of the guide pipes 403 are respectively opened with a plurality of first water spray holes 404, and the side walls of the guide pipes 403 are connected with hoses, and the hoses are connected to the water source;
[0027] In actual application, the front milling device 3 and the rear milling device 2 cool down the milling drum 302 through the water spray component 4 during the working process. At the same time, during the water spraying process, the water stains can stick the fine particles together to reduce the dispersion of the fine particles, thereby achieving an effective dust suppression effect. At the same time, the water spray component 4 will also wet the surface of the stone baffle 5, and some fine particles can be adsorbed to the surface of the stone baffle 5 through the wet surface of the stone baffle 5.
[0028] See also Figure 4 In this embodiment, the outer walls of both sides of the front milling device 3 and the rear milling device 2 are respectively installed with a stone baffle 5 and an installation assembly 6 for installing the stone baffle 5, the installation assembly 6 includes a clamping plate 601 hinged to the outer wall of the shell 301, a torsion spring 602 is installed at the position where the clamping plate 601 is hinged to the shell 301, and a fixing column 603 is fixedly provided on the side of the clamping plate 601 that contacts the stone baffle 5, and a positioning hole used for matching the fixing column 603 is opened on the outer wall of the stone baffle 5;
[0029] In actual application, when the stone baffle 5 needs to be installed, the staff presses one end of the clamping plate 601 to open the other end of the clamping plate 601, and then the stone baffle 5 can be easily taken out for replacement.
[0030] See also Figure 5In this embodiment, an anti-blocking assembly 7 is installed inside the water spray assembly 4, and the anti-blocking assembly 7 includes a connecting rod 701 fixed to the lower end of the mounting seat 401, and a long strip 702 with a triangular cross section is fixedly provided at the lower end of the connecting rod 701, and two movable plates 703 used in conjunction with the long strip 702 are slidably provided inside the guide tube 403, and a top column 704 used in conjunction with each first water spray hole 404 is fixedly provided on the outer wall of the movable plate 703;
[0031] In actual application, after the front milling device 3 and the rear milling device 2 stop working, the electric telescopic rod 402 contracts, the electric telescopic rod 402 drives the guide tube 403 to rise, the guide tube 403 drives the movable plate 703 to rise, and the movable plate 703 slides along the side wall of the strip 702, so that the top column 704 in the movable plate 703 is close to the first water spray hole 404 and enters the first water spray hole 404, thereby pushing foreign matter inside the first water spray hole 404 to the outside of the guide tube 403, thereby ensuring that there is no foreign matter inside the first water spray hole 404 when it is used next time.
[0032] Working principle: During the working process, the front milling device 3 and the rear milling device 2 can block a large amount of gravel through the stone baffle 5 made of flexible material to prevent the gravel from splashing to the bottom of the vehicle and damaging the parts and pipes under the vehicle, thereby effectively protecting the parts and pipes;
[0033] During the working process of the front milling device 3 and the rear milling device 2, the milling drum 302 is cooled down by the water spray component 4. At the same time, during the water spraying process, the water stains can stick the fine particles together to reduce the dispersion of the fine particles, thereby achieving an effective dust suppression effect. At the same time, the water spray component 4 will also wet the surface of the stone baffle 5, and some fine particles can be adsorbed to the surface of the stone baffle 5 through the wet surface of the stone baffle 5.
[0034] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An in-situ hot regeneration double-layer milling equipment, characterized in that: The invention comprises a vehicle body (1), wherein a front milling device (3) and a rear milling device (2) are installed at the lower end of the vehicle body (1), water spraying assemblies (4) are installed on the outer walls of the front milling device (3) and the rear milling device (2), an anti-blocking assembly (7) is installed inside the water spraying assembly (4), and stone baffles (5) and mounting assemblies (6) for mounting the stone baffles (5) are installed on the outer walls of both sides of the front milling device (3) and the rear milling device (2).
2. The in-situ hot regeneration double-layer milling equipment according to claim 1 is characterized in that: The front milling device (3) comprises a shell (301), and three groups of milling drums (302) are installed inside the shell (301), one group of the milling drums (302) is located on the right side of the shell (301), and the other two groups of the milling drums (302) are located on the left side of the shell (301). The front milling device (3) and the rear milling device (2) have the same structure.
3. The in-situ hot regeneration double-layer milling equipment according to claim 1 is characterized in that: The water spray assembly (4) comprises a mounting seat (401) fixed to both sides of the lower end of the housing (301); an electric telescopic rod (402) is fixedly mounted on the lower end of the mounting seat (401); a flow guide pipe (403) is fixedly mounted on the lower end of the electric telescopic rod (402); a plurality of first water spray holes (404) are respectively provided on both sides of the flow guide pipe (403); a side wall of the flow guide pipe (403) is connected to a hose, and the hose is connected to a water source.
4. The in-situ hot regeneration double-layer milling equipment according to claim 1 is characterized in that: The mounting assembly (6) comprises a clamping plate (601) hinged to the outer wall of the housing (301), and a torsion spring (602) is installed at the hinged position between the clamping plate (601) and the housing (301).
5. The in-situ hot regeneration double-layer milling equipment according to claim 4 is characterized in that: A fixing column (603) is fixedly arranged on one side of the clamping plate (601) in contact with the stone baffle plate (5), and a positioning hole used in conjunction with the fixing column (603) is provided on the outer wall of the stone baffle plate (5).
6. The in-situ hot regeneration double-layer milling equipment according to claim 3 is characterized in that: The anti-blocking assembly (7) comprises a connecting rod (701) fixed to the lower end of the mounting seat (401), a long strip (702) with a triangular cross section is fixedly provided at the lower end of the connecting rod (701), two movable plates (703) used in conjunction with the long strip (702) are slidably provided inside the flow guide tube (403), and a top column (704) used in conjunction with each first water spray hole (404) is fixedly provided on the outer wall of the movable plate (703).
7. The in-situ hot regeneration double-layer milling equipment according to claim 1 is characterized in that: The stone baffle (5) is made of flexible material.
Citation Information
Patent Citations
In-place thermal regeneration double-layer milling equipment
CN210341583U