Cement pavement breaking and regenerating machine and control method
By designing a cement pavement crushing and recycling machine, the efficient on-site recycling and gradation requirements of old materials have been achieved, solving the problem that existing equipment cannot recycle and process old materials, and meeting the needs of different crushing levels.
Patent Information
- Application Number
- CN202211660735.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2042-12-23
Smart Images

Figure CN115787430B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of cement pavement breaking, and particularly relates to a cement pavement breaking and regenerating machine and a control method. BACKGROUND
[0002] The cement breaking and regenerating machine is a high-efficiency earthwork machine, which can satisfy on-site breaking and regeneration of the cement pavement and solve the pain point that the existing large cold regeneration cannot be used in the harsh working conditions. However, the existing working devices on the market are mainly used for breaking old materials, cannot regenerate the old materials, and the milled old materials cannot meet the gradation requirements of the old material regeneration. SUMMARY
[0003] The application aims to provide a cement pavement breaking and regenerating machine and a control method, which can break, mill and fully mix the old materials to realize on-site regeneration of the old materials.
[0004] To achieve the above-mentioned purpose, the application adopts the technical scheme as follows:
[0005] A cement pavement breaking and regenerating machine, comprising a cover assembly, a rotor and a wear plate, wherein the left and right sides of the cover assembly are slidably connected with side plates; a first oil cylinder drives the side plates to lift; a front material door which can be opened and closed is rotatably connected to the front side of the cover assembly; a second oil cylinder drives the front material door to open and close; a rear gradation beam panel which can be opened and closed is rotatably connected to the rear side of the cover assembly; the front material door, the rear gradation beam panel and the two side plates are wrapped around the bottom of the cover assembly.
[0006] The rear gradation beam panel comprises a first panel and a second panel; one side of the first panel is rotatably connected to the cover assembly; the other side of the first panel is rotatably connected with the second panel; a third oil cylinder A drives the first panel to open and close, and a third oil cylinder B drives the second panel to open and close; the first panel and the second panel are opened and closed to change the space capacity in the cover assembly; the first oil cylinder, the second oil cylinder, the third oil cylinder A and the third oil cylinder B are arranged in the cover assembly.
[0007] The rotor is rotatably connected in the cover assembly, and a plurality of first toothed knives are uniformly distributed on the rotor; an external driving device drives the rotor to rotate; the wear plate is arranged on the inner wall of the cover assembly; the first toothed knives on the rotor break the old materials and drive the old materials to move towards the wear plate.
[0008] Preferably, the first oil cylinder is arranged on each side of the side plate; and the first oil cylinders on the two sides of the side plate move synchronously.
[0009] Preferably, a sliding groove is arranged on the side plate; a limiting block is arranged on the cover assembly and slidably connected with the sliding groove of the side plate.
[0010] Preferably, the inner wall of the cover assembly is provided with a second tooth cutter; the second tooth cutter is arranged on one side of the wear plate; the second tooth cutter and the first tooth cutter are engaged with each other.
[0011] Preferably, a plurality of pressing plates are linearly distributed at the bottom of the front material door, one end of the pressing plate is fixedly connected to the front material door, and the other end of the pressing plate is upwardly curved.
[0012] Preferably, a rubber plate is attached to the outer surface of the rear beam panel, the rubber plate is assembled on the cover assembly, and the rubber plate acts to prevent material from leaking from the edge of the rear beam panel when the rear beam panel compresses the space inward.
[0013] Preferably, the wear plate is installed on the cover assembly through a cushion block; the cushion block is fixedly connected to the cover assembly through a bolt; the wear plate is arranged on the cushion block; a gasket is arranged between the cushion block and the cover assembly; and the gasket acts to adjust the distance between the wear plate and the rotor.
[0014] Preferably, a watering hole is opened on the cover assembly, and the watering hole is connected to a water supply system.
[0015] The second aspect of the present application provides a control method of a cement pavement crushing and recycling machine, comprising:
[0016] The rotor is driven to rotate by an external driving device;
[0017] The first oil cylinder is controlled to rise, the side plate is driven to rise, and the first tooth cutter of the rotor leaks out of the cover assembly downward;
[0018] The second oil cylinder is controlled to rise, the front material door is driven to open forward, the first panel is driven to open and close by the third oil cylinder A, the second panel is driven to open and close by the third oil cylinder B, and the rear beam panel compresses the space inward;
[0019] The distance between the first tooth cutter on the rotor and the ground is changed, the tooth cutter on the rotor breaks the old material, and the old material is driven to move toward the wear plate.
[0020] Compared with the prior art, the present application has the following beneficial effects:
[0021] The rotor is driven to rotate by an external driving device; the wear plate is arranged on the inner wall of the cover assembly; the tooth cutter on the rotor breaks the old material, and the old material is driven to move toward the wear plate; the tooth cutter on the rotor performs primary crushing on the old material; the wear plate performs secondary crushing on the old material; and the old material is recycled on site.
[0022] The application controls the third oil cylinder A to drive the first panel to open and close, controls the third oil cylinder B to drive the second panel to open and close, and makes the rear level distribution beam panel compress the space inward; when the crushing level is low, the space capacity inside the cement pavement crushing regenerator is expanded, when the crushing level is high, the space capacity inside the cement pavement crushing regenerator is compressed; the space capacity inside the cement pavement crushing regenerator is changed to meet the requirements of different crushing levels. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is a front axis drawing of the cement pavement crushing regenerator provided by the application;
[0024] Figure 2 is a rear axis drawing of the cement pavement crushing regenerator provided by the application;
[0025] Figure 3 is a structural drawing of the cement pavement crushing regenerator provided by the application;
[0026] Figure 4 is a structural drawing of the pressing plate provided by the application;
[0027] Figure 5 is a structural drawing of the wear-resistant plate provided by the application;
[0028] Figure 6 is a structural drawing of the cushion block provided by the application;
[0029] Figure 7 is a sectional view of the cement pavement crushing regenerator provided by the application;
[0030] Figure 8 is a structural drawing of the second tooth cutter and the wear-resistant plate provided by the application;
[0031] In the drawing: 1 first oil cylinder, 2 second oil cylinder, 3 third oil cylinder A, 4 fourth oil cylinder B, 5 rear level distribution beam panel, 51 first panel, 52 second panel, 6 front material door, 7 pressing plate, 8 second tooth cutter, 9 wear-resistant plate, 10 cushion block, 11 side plate, 111 sliding groove, 12 cushion block, 13 cover assembly, 131 limiting block, 14 rotor, 141 first tooth cutter. DETAILED DESCRIPTION
[0032] The application will be further described below in combination with the drawings. The following examples are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.
[0033] It should be noted that in the description of this invention, the terms "front," "rear," "left," "right," "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the invention and do not require the invention to be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. The terms "front," "rear," "left," "right," "upper," and "lower" used in the description of this invention refer to the directions shown in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0034] Example 1
[0035] like Figures 1 to 8 As shown, a cement pavement crushing and recycling machine includes a cover assembly 13, a rotor 14, and a wear-resistant plate 9; side plates 11 are slidably connected to the left and right sides of the cover assembly 13; the side plates 11 are provided with sliding grooves 111; the cover assembly 13 is provided with limit blocks 131, and the limit blocks 131 are slidably connected to the sliding grooves 111 of the side plates 11; a first hydraulic cylinder 1 is provided on both sides of the side plates 11; the first hydraulic cylinders 1 on both sides of the side plates 11 move synchronously; the first hydraulic cylinders 1 drive the side plates 11 to rise and fall.
[0036] The front of the cover assembly 13 is rotatably connected to a front material gate 6 that opens and closes vertically. The second hydraulic cylinder 2 drives the front material gate 6 to open and close. Multiple pressure plates 7 are linearly distributed at the bottom of the front material gate 6. One end of the pressure plate 7 is fixedly connected to the front material gate 6, and the other end of the pressure plate 7 is tilted upward to reduce the resistance and impact force exerted by the old material on the crushing and recycling machine. The rear of the cover assembly 13 is rotatably connected to a rear stage beam panel 5 that opens and closes vertically. A rubber plate is attached to the outer surface of the rear stage beam panel 5. The rubber plate is assembled on the cover assembly 13 and acts to prevent material leakage from the edge of the rear stage beam panel 5 when the space is compressed inward. The front material gate 6, the rear stage beam panel 5, and the two side plates 11 surround and wrap around the bottom of the cover assembly 13.
[0037] The rear stage beam panel 5 includes a first panel 51 and a second panel 52; one side of the first panel 51 is rotatably connected to the cover assembly 13; the other side of the first panel 52 is rotatably connected to the second panel 52; a third hydraulic cylinder A3 drives the first panel 51 to open and close, and a third hydraulic cylinder B4 drives the second panel 52 to open and close; the opening and closing of the first panel 51 and the second panel 52 changes the space capacity inside the cover assembly 13; the first hydraulic cylinder 1, the second hydraulic cylinder 2, the third hydraulic cylinder A3 and the third hydraulic cylinder B4 are disposed in the cover assembly;
[0038] The rotor 14 is rotationally connected in the shell assembly 13, and a plurality of first tooth cutters 141 are uniformly distributed on the rotor 14; an external driving device drives the rotor 14 to rotate; the wear plate 9 is installed on the shell assembly 13 through the cushion block 12; the cushion block 12 is fixedly connected to the shell assembly 13 through bolts; the wear plate 9 is arranged on the cushion block 12; a gasket 10 is arranged between the cushion block 12 and the shell assembly 13; the gasket 10 acts to adjust the distance between the wear plate 9 and the rotor 14.
[0039] The first tooth cutters 141 on the rotor 14 break the old material and drive the old material towards the wear plate 9; the inner wall of the shell assembly is provided with second tooth cutters 8; the second tooth cutters 8 are arranged on one side of the wear plate 9; the second tooth cutters 8 and the first tooth cutters 141 are in meshing engagement; the shell assembly 13 is provided with water spraying holes, and a water supply system is externally connected to the water spraying holes; water is sprayed into the shell assembly through the water spraying holes to reduce dust.
[0040] Embodiment two
[0041] A control method of a cement pavement crushing and regenerating machine, the control method provided in the embodiment can be applied to the cement pavement crushing and regenerating machine in embodiment one, and the control method comprises the following steps of:
[0042] The rotor is driven to rotate by an external driving device;
[0043] The first oil cylinder is controlled to rise, the side plate is driven to rise, and the first tooth cutters of the rotor are leaked out of the shell assembly;
[0044] The second oil cylinder is controlled to rise, the front material door is driven to open forward, the third oil cylinder A is controlled to drive the first panel to open and close, the third oil cylinder B is controlled to drive the second panel to open and close, and the rear beam panel is compressed inwardly.
[0045] The distance between the first tooth cutters on the rotor and the ground is changed, the tooth cutters on the rotor break the old material and drive the old material towards the wear plate.
[0046] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A cement pavement crushing and recycling machine, characterized in that, The assembly includes a housing assembly (13), a rotor (14), and a wear-resistant plate (9); side plates (11) are slidably connected to the left and right sides of the housing assembly (13); a first hydraulic cylinder (1) drives the side plates (11) to rise and fall; a front material gate (6) that opens and closes vertically is rotatably connected to the front side of the housing assembly (13), and a second hydraulic cylinder (2) drives the front material gate (6) to open and close; a rear stage beam panel (5) that opens and closes vertically is rotatably connected to the rear of the housing assembly (13); the front material gate (6), the rear stage beam panel (5), and the two side plates (11) surround and wrap around the bottom of the housing assembly (13); The rear-stage beam panel (5) includes a first panel (51) and a second panel (52); one side of the first panel (51) is rotatably connected to the cover assembly (13); the other side of the first panel (51) is rotatably connected to the second panel (52); a third hydraulic cylinder A (3) drives the first panel (51) to open and close, and a third hydraulic cylinder B drives the second panel (52) to open and close; the opening and closing of the first panel (51) and the second panel (52) changes the space capacity inside the cover assembly (13); the first hydraulic cylinder (1), the second hydraulic cylinder (2), the third hydraulic cylinder A (3) and the third hydraulic cylinder B are disposed in the cover assembly (13); The rotor (14) is rotatably connected to the housing assembly (13), and a plurality of first tooth cutters (141) are evenly distributed on the rotor (14); an external driving device drives the rotor (14) to rotate; the wear-resistant plate (9) is disposed on the inner wall of the housing assembly (13); the first cutter teeth on the rotor (14) crush the old material and drive the old material toward the wear-resistant plate (9).
2. The cement pavement crushing and recycling machine according to claim 1, characterized in that, A first hydraulic cylinder (1) is provided on both sides of the side plate (11); the first hydraulic cylinders (1) on both sides of the side plate (11) move synchronously.
3. A cement pavement crushing and recycling machine according to claim 1, characterized in that, The side plate (11) is provided with a sliding groove (111); the cover assembly (13) is provided with a limiting block (131), and the limiting block (131) is slidably connected to the sliding groove (111) of the side plate (11).
4. A cement pavement crushing and recycling machine according to claim 1, characterized in that, The inner wall of the cover assembly (13) is provided with a second toothed cutter (8); the second toothed cutter (8) is located on one side of the wear-resistant plate (9); the second toothed cutter (8) and the first toothed cutter (141) mesh with each other.
5. A cement pavement crushing and recycling machine according to claim 1, characterized in that, Multiple pressure plates (7) are linearly distributed at the bottom of the front material gate (6). One end of the pressure plate (7) is fixedly connected to the front material gate (6), and the other end of the pressure plate (7) is raised upward.
6. A cement pavement crushing and recycling machine according to claim 1, characterized in that, The outer surface of the rear beam panel (5) is covered with a rubber plate, which is mounted on the housing assembly (13). The rubber plate is used to prevent material leakage from the edge of the rear beam panel (5) when the rear beam panel (5) compresses the space inward.
7. A cement pavement crushing and recycling machine according to claim 1, characterized in that, The wear-resistant plate (9) is mounted on the housing assembly (13) via a pad (12); the pad (12) is fixedly connected to the housing assembly (13) by bolts; the wear-resistant plate (9) is disposed on the pad (12); a gasket (10) is disposed between the pad (12) and the housing assembly (13); the gasket (10) is used to adjust the distance between the wear-resistant plate (9) and the rotor (14).
8. A cement pavement crushing and recycling machine according to claim 1, characterized in that, The housing assembly (13) has a water spray hole, which is connected to an external water supply system.
9. A control method for a cement pavement crushing and recycling machine according to any one of claims 1 to 8, comprising: The rotor (14) is driven to rotate by an external drive device; Control the first oil cylinder (1) to rise, drive the side plate (11) to rise, so that the first tooth cutter (141) of the rotor (14) protrudes downward from the cover assembly (13); Control the second oil cylinder (2) to rise, driving the front material gate (6) to open forward; control the third oil cylinder A (3) to drive the first panel (51) to open and close, control the third oil cylinder B to drive the second panel (52) to open and close, so that the rear grade beam panel (5) compresses the space inward; By changing the distance between the first tooth cutter (141) on the rotor (14) and the ground, the cutter teeth on the rotor (14) break up the old material and drive the old material toward the wear-resistant plate (9).
Citation Information
Patent Citations
Milling housing of pavement in-place cold regenerating device
CN203569464U
Front material door crushing device and pavement cold regenerator
CN212611854U