Bituminous concrete crushing device

Abstract

The utility model discloses an asphalt concrete crushing device and relates to the technical field of crushers. The asphalt concrete crushing device comprises a feeding bin, an opening and closing door, a crushing bin, a crushing roller, a first driving device, a conveying cylinder, an auger, a second driving device, a discharging port and a supporting frame, the feeding bin is connected with the opening and closing door through control of an air rod, the crushing bin is arranged at the bottom end of the feeding bin, and the crushing roller driven by the first driving device is installed in the crushing bin. Through the structure of reverse rotation of the double crushing rollers and assistance of the vibration motor, efficient crushing of asphalt concrete is achieved, and materials are prevented from being attached to the bin wall; and meanwhile, the auger blade adopts a Teflon coating, so that asphalt adhesion is remarkably reduced, and smooth conveying is ensured. The crushing bin is lined with the high manganese steel lining plate, abrasion resistance is enhanced, and the service life of equipment is prolonged. The overall design effectively solves the problems that a traditional crushing device is prone to blockage and fast in abrasion, and the stability of continuous operation is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a broken device of asphalt concrete. BACKGROUND

[0002] With the rapid development of highway construction industry in China, the maintenance and recycling demand of asphalt concrete pavement is increasing. The traditional asphalt concrete crushing equipment has the following technical defects in practical application: low crushing efficiency: the conventional crushing device adopts single roller crushing structure, the crushing force is uneven, and large pieces of material are easily produced, which affects the subsequent recycling effect. The asphalt bonding problem is serious during the crushing process, which causes frequent shutdown and cleaning of the equipment. The conveying system defect: the existing auger conveying mechanism lacks effective anti-sticking measures, and the asphalt concrete is easily bonded in the blade and the inner wall of the cylinder during the conveying process, which causes the conveying efficiency to decrease, and even causes blockage. In view of the above problems, it is urgent to develop a new type of asphalt concrete crushing device with high efficiency, anti-sticking conveying, safety and reliability, so as to meet the increasingly strict environmental protection requirements and the production demand of recycled asphalt concrete. SUMMARY

[0003] The utility model provides a broken device of asphalt concrete, it overcomes the insufficient described in the background art.

[0004] The utility model solves the technical scheme that it adopts:

[0005] A broken device of asphalt concrete, including feed bin, open and close door, broken bin, broken roll, first driving device, transmission cylinder, auger, second driving device, discharge port, support frame, the open and close door is connected through the air rod control of feed bin, the bottom end of feed bin is provided with broken bin, the broken roll driven by first driving device is installed in broken bin, the broken roll sets two, and is provided side by side, the auger driven by second driving device is installed in transmission cylinder, the discharge port is set in the right side bottom end of transmission cylinder, and second driving device is located above discharge port. Two air rods are set, and double air rod synchronous lifting is adopted, to avoid the open and close door to be jammed. The auger blade surface is sprayed with Teflon coating, to reduce asphalt adhesion.

[0006] A preferable technical scheme: the open and close door is provided with a handle for assisting opening the open and close door.

[0007] A preferable technical scheme: the open and close door is provided with a transparent window for knowing the information of asphalt concrete inside the feed bin.

[0008] A preferable technical scheme: an inner inclined surface for assisting feeding is arranged in the feed bin, and the inner inclined surface adopts high manganese steel lining plate.

[0009] A preferred technical solution: the first driving device comprises a vertical motor, a first bevel gear, a second bevel gear, a first synchronous wheel, a second synchronous wheel and a first belt, the output end of the vertical motor is provided with the first bevel gear, the first bevel gear is engaged with the second bevel gear, the first bevel gear is concentrically provided with the first synchronous wheel, the first synchronous wheel is linked with the second synchronous wheel through the first belt, and the first belt is in the shape of an 8.

[0010] A preferred technical solution: the first driving device comprises a vertical motor, a first bevel gear, a second bevel gear, a first synchronous wheel, a second synchronous wheel and a first belt, the output end of the vertical motor is provided with the first bevel gear, the first bevel gear is engaged with the second bevel gear, the first bevel gear is concentrically provided with the first synchronous wheel, the first synchronous wheel is linked with the second synchronous wheel through the first belt, and the first belt is in the shape of an 8.

[0011] A preferred technical solution: the second driving device comprises a driving motor, a first pulley, a second pulley and a second belt, the output end of the driving motor is provided with the first pulley, and the first pulley is linked with the second pulley through the second belt.

[0012] A preferred technical solution: the second pulley is arranged at the side end of the auger.

[0013] A preferred technical solution: the first pulley and the second pulley are externally provided with protective covers, the protective covers can prevent personnel from contacting rotating parts, block foreign matters from entering, and simultaneously reduce the influence of dust and asphalt adhesion.

[0014] A preferred technical solution: the outer side end of the crushing chamber is provided with a vibration motor, and a rubber damping pad is arranged at the bottom end of the supporting frame, so that the damping reduces noise. The core principle of the vibration motor is to generate centrifugal force by using an eccentric block to rotate, thereby driving the equipment to vibrate.

[0015] By adopting the above technical solution, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a double-crushing-roller reverse rotation + vibration motor auxiliary structure, realizes the efficient crushing of asphalt concrete, avoids material adhesion to the chamber wall, simultaneously, the auger blade adopts a Teflon coating, significantly reduces asphalt adhesion, and ensures smooth conveying. The crushing chamber is lined with high manganese steel lining plates, enhances wear resistance, and prolongs the service life of the equipment. The overall design effectively solves the problems of easy blockage and quick wear of the traditional crushing device, and greatly improves the continuous operation stability.

[0017] 2. The first driving device in the utility model adopts a vertical motor + bevel gear + 8-shaped belt transmission, is compact in structure and efficient in power transmission, synchronously drives double crushing rollers, ensures uniform crushing force, the second driving device is designed through a pulley + protective cover, prevents personnel from accidentally touching rotating parts, and blocks dust and foreign matters from entering. In addition, the double air rods synchronously control the opening and closing door, cooperate with the grab and the transparent window, facilitate operation and observation, reduce the failure rate, and reduce the maintenance difficulty and cost.

[0018] 3. In this utility model, a rubber shock-absorbing pad is installed at the bottom of the support frame. Combined with the reasonable layout of the vibration motor, it effectively absorbs the vibration and noise during equipment operation, improving the working environment. The inner inclined surface design of the feed hopper and the high manganese steel lining plate assist material sliding and reduce manual intervention; the transparent viewing window and emergency grab handle on the opening and closing door further enhance the safety and convenience of operation. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the crushing rollers inside the crushing chamber;

[0022] Figure 3 This is a schematic diagram of the conveyor cylinder and auger.

[0023] Figure 4 This is a schematic diagram of the structure of the first driving device;

[0024] Figure 5 This is a schematic diagram of the second drive device;

[0025] Figure 6 This is a schematic diagram of the structure of the present invention when a vibration motor is installed.

[0026] Explanation of key figure labels:

[0027] 1. Feed hopper; 11. Inner inclined surface; 2. Opening and closing door; 21. Pneumatic rod; 22. Grab handle; 23. Transparent window; 3. Crushing chamber; 31. Crushing roller; 311. First crushing roller; 312. Second crushing roller; 4. First drive unit; 41. Vertical motor; 42. First bevel gear; 43. Second bevel gear; 44. First synchronous pulley; 45. Second synchronous pulley; 46. First belt; 5. Conveyor cylinder; 51. Screwdriver; 52. Discharge port; 6. Second drive unit; 61. Drive motor; 62. First pulley; 63. Second pulley; 64. Second belt; 7. Support frame; 8. Protective cover; 9. Vibration motor; 10. Rubber shock-absorbing pad. Detailed Implementation

[0028] like Figures 1-6As shown, this embodiment provides an asphalt concrete crushing device, including a feed bin 1, an opening / closing gate 2, a crushing chamber 3, crushing rollers 31, a first drive device 4, a transmission cylinder 5, an auger 51, a second drive device 6, a discharge port 52, and a support frame 7. The feed bin 1 is connected to the opening / closing gate 2 via pneumatic rods 21. The crushing chamber 3 is located at the bottom of the feed bin 1. Two crushing rollers 31, driven by the first drive device 4, are installed inside the crushing chamber 3, arranged side by side. An auger 51, driven by the second drive device 6, is installed inside the transmission cylinder 5. The discharge port 52 is located at the bottom right side of the transmission cylinder 5, and the second drive device 6 is positioned above the discharge port 52. Two pneumatic rods 21 are used, employing synchronous lifting to prevent the opening / closing gate 2 from jamming. The surface of the auger 51 blades is coated with Teflon to reduce asphalt adhesion.

[0029] Furthermore, the door 2 is equipped with a handle 22 for assisting in opening the door 2.

[0030] Furthermore, the opening and closing door 2 is provided with a transparent window 23 for obtaining information about the asphalt concrete inside the feed hopper 1.

[0031] Furthermore, the feed hopper 1 is equipped with an inner inclined surface 11 for auxiliary feeding, and the inner inclined surface 11 is lined with high manganese steel.

[0032] Furthermore, the first drive device 4 includes a vertical motor 41, a first bevel gear 42, a second bevel gear 43, a first synchronous pulley 44, a second synchronous pulley 45, and a first belt 46. The output end of the vertical motor 41 is equipped with the first bevel gear 42, which meshes with the second bevel gear 43. The first synchronous pulley 44 is concentrically mounted on the first bevel gear 42, and the first synchronous pulley 44 is linked to the second synchronous pulley 45 through the first belt 46, which has an 8-shaped structure.

[0033] Furthermore, the crushing rollers 31 are a first crushing roller 311 and a second crushing roller 312. The first crushing roller 311 is provided with a second bevel gear 43 and a first synchronous pulley 44 on its side, and the second crushing roller 312 is provided with a second synchronous pulley 45 on its side.

[0034] Furthermore, the second drive device 6 includes a drive motor 61, a first pulley 62, a second pulley 63, and a second belt 64. The first pulley 62 is installed at the output end of the drive motor 61, and the first pulley 62 is linked with the second pulley 63 through the second belt 64.

[0035] Furthermore, the second pulley 63 is installed on the side of the auger 51.

[0036] Furthermore, protective covers 8 are provided on the outside of the first pulley 62 and the second pulley 63. The protective covers 8 can prevent personnel from contacting the rotating parts, block foreign objects from entering, and reduce the impact of dust and asphalt adhesion.

[0037] Furthermore, a vibratory motor 9 is installed at the outer end of the crushing chamber 3, and a rubber shock-absorbing pad 10 is installed at the bottom of the support frame 7 to reduce vibration and noise. The core principle of the vibratory motor 9 is to use the rotation of the eccentric block to generate centrifugal force, thereby driving the equipment to vibrate.

[0038] When asphalt concrete blocks are fed from the feed bin 1, the double air rod synchronously drives the opening and closing door 2 to open smoothly. The operator can observe the internal feeding situation through the transparent window 23. The material slides into the crushing bin 3 along the inner inclined surface 11 of the high manganese steel liner.

[0039] Crushing stage: The first drive device 4 is started, and the vertical motor 41 meshes with the first bevel gear 42 and the second bevel gear 43 to convert the power to the horizontal direction. Then, the first synchronous pulley 44 and the second synchronous pulley 45 are driven by the figure-eight first belt 46 to drive the two crushing rollers 31 to rotate in opposite directions, so asphalt concrete is squeezed, sheared and crushed to the target particle size; the vibrating motor 9 uses high-frequency vibration to assist crushing, prevents material from sticking to the bin wall, and the rubber shock-absorbing pad 10 absorbs vibration noise.

[0040] Conveying stage: The crushed material falls into the conveying cylinder 5. The second drive device 6 drives the auger 51 to rotate through the cooperation of the first pulley 62 and the second pulley 63. Its Teflon-coated blades push the material to the right discharge port 52, reducing asphalt adhesion during the process.

[0041] The material is discharged through outlet 52 and can be connected to the next process equipment to complete the continuous crushing-conveying process.

[0042] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. A device for breaking up asphalt concrete, characterized in that Including the material bin, the open-close door, the crushing bin, the crushing roller, the first driving device, the transmission cylinder, the auger, the second driving device, the discharge port, the support frame, the material bin is connected through the air rod control open-close door, the bottom end of the material bin is provided with the crushing bin, the crushing bin is provided with the crushing roller driven by the first driving device, the crushing roller is provided with two, and is provided side by side, the transmission cylinder is provided with the auger driven by the second driving device, the right side bottom end of the transmission cylinder is provided with the discharge port, and the second driving device is located above the discharge port.

2. The asphalt concrete breaking apparatus according to claim 1, characterized by The open-close door is provided with a handle for assisting opening the open-close door.

3. The asphalt concrete breaking apparatus according to claim 2, characterized by The open-close door is provided with a transparent window for knowing the information of the internal asphalt concrete of the material bin.

4. The asphalt concrete breaking apparatus according to claim 1, characterized by The internal bevel of the material bin is provided with an auxiliary feeding.

5. The asphalt concrete breaking apparatus according to claim 1, wherein The first driving device includes a vertical motor, a first bevel gear, a second bevel gear, a first synchronous wheel, a second synchronous wheel and a first belt, the output end of the vertical motor is provided with the first bevel gear, the first bevel gear is engaged with the second bevel gear, the first bevel gear is concentrically provided with the first synchronous wheel, the first synchronous wheel is linked with the second synchronous wheel through the first belt, and the first belt is in the shape of 8.

6. The asphalt concrete breaking apparatus according to claim 5, wherein The crushing roller is a first crushing roller and a second crushing roller, the side end of the first crushing roller is provided with the second bevel gear and the first synchronous wheel, and the side end of the second crushing roller is provided with the second synchronous wheel.

7. The asphalt concrete breaking apparatus according to claim 1, characterized by The second driving device includes a driving motor, a first pulley, a second pulley and a second belt, the output end of the driving motor is provided with the first pulley, and the first pulley is linked with the second pulley through the second belt.

8. The asphalt concrete breaking apparatus according to claim 7, characterized by The second pulley is installed on the side end of the auger.

9. The asphalt concrete breaking apparatus according to claim 7, wherein The first pulley and the second pulley are provided with protective covers.

10. The asphalt concrete breaking apparatus according to claim 1, characterized by The outer side end of the crushing bin is provided with a vibration motor, and the bottom end of the support frame is provided with a rubber shock pad.

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