Asphalt concrete raw material crusher

Abstract

The utility model relates to the technical field of concrete crushing, and discloses an asphalt concrete raw material crusher which comprises supporting legs, a fixing shell is fixedly installed on the tops of the supporting legs, a crushing chamber is fixedly installed in the fixing shell, and a feeding hopper communicated with an inner cavity of the crushing chamber is fixedly installed on the top of the crushing chamber. According to the asphalt concrete raw material crusher, the rubbing assembly is arranged, after the rubbing assembly is used, under external meshing of gears and transmission of a synchronous wheel and a synchronous belt, transmission shafts on the two sides are made to rotate in opposite directions and rotate at the same speed, and crushing rollers and rubbing ribs on the two sides are driven to rotate at the same speed in the opposite directions; according to the asphalt concrete raw material crushing device, the rubbing ribs rub asphalt concrete raw materials falling between the two sides of the rubbing ribs in a staggered mode, the asphalt concrete raw materials are continuously extruded and rolled, the crushing surfaces of the crushing rollers are conical surfaces, the asphalt concrete raw materials can be gradually and fully crushed, and the crushing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete crushing, in particular to an asphalt concrete raw material crusher. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture of artificially selected mineral materials with a certain graded composition, such as crushed stone or crushed gravel, stone chips or sand and mineral powder, and a certain proportion of road asphalt materials, mixed under strictly controlled conditions. Asphalt concrete can be divided into two categories: petroleum asphalt and coal asphalt, according to the different binders used. Some countries or regions also use or mix natural asphalt.

[0003] After retrieval, Chinese patent CN214864034U was found and announced an asphalt concrete crusher. By starting the first motor and the second motor to drive the first output shaft and the second output shaft to rotate, the first crushing component and the second crushing component are driven to rotate, and the asphalt concrete is poured from the feed hopper into the crushing chamber. The rotation of the first crushing component and the second crushing component will extrude and crush the asphalt concrete. However, the rotation of the first crushing component and the second crushing component can break the asphalt concrete. The broken asphalt concrete is in block shape. The block asphalt concrete passes through the first crushing component and the second crushing component and falls down, and the asphalt concrete cannot be fully crushed. Therefore, an asphalt concrete raw material crusher is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an asphalt concrete raw material crusher, which has the advantage of sufficient crushing.

[0005] In order to achieve the purpose of sufficient crushing mentioned above, the utility model provides the following technical solutions: an asphalt concrete raw material crusher, comprising a supporting leg, a fixed shell is fixedly installed on the top of the supporting leg, a crushing chamber is fixedly installed in the fixed shell, a feed hopper connected to the inner cavity of the crushing chamber is fixedly installed on the top of the crushing chamber, and a kneading component for kneading and crushing the asphalt concrete raw material is arranged on the fixed shell and the crushing chamber.

[0006] Furthermore, the kneading assembly includes a movable shaft, a motor, a transmission shaft, a crushing roller, kneading ribs, gears, a synchronous wheel and a synchronous belt. The movable shaft is rotatably connected to the side wall of the fixed shell, the motor is fixedly installed on the side wall of the fixed shell, the output shaft of the motor is fixedly installed on the movable shaft, the transmission shaft is rotatably connected to the side wall of the crushing chamber, the crushing roller is fixedly installed on the end of the transmission shaft, the kneading ribs are fixedly connected to the conical surface of the crushing roller, the gear is fixedly installed on the outer surfaces of the movable shaft and the transmission shaft, the gear is meshed with the outside of the gear, the synchronous wheel is fixedly installed on the outer surfaces of the movable shaft and the transmission shaft, and the synchronous belt is transmission-connected to the outer surface of the synchronous wheel.

[0007] Furthermore, the transmission shaft is rotatably connected to the fixed shell, the crushing roller is rotatably connected to the crushing chamber, the kneading ribs are in the shape of a triangular prism, and the gears, synchronous wheels and synchronous belts are distributed on both sides of the crushing chamber.

[0008] Furthermore, the shape of the crushing roller is a combination of a cylinder and a truncated cone, and a controller is fixedly installed on the side wall of the fixed shell and located in front of the motor, and the controller is electrically connected to the motor.

[0009] Furthermore, a baffle is fixedly installed at the bottom of the crushing chamber, and a unloading assembly is arranged on the crushing chamber and the baffle. The unloading assembly includes a support bar and a unloading plate. The support bar is fixedly installed on the front wall of the baffle, and the unloading plate is slidably connected to the support bar and corresponds to the unloading port at the bottom of the crushing chamber.

[0010] Furthermore, the support bar is fixedly mounted on the bottom of the crushing chamber, the support bar is L-shaped, the discharge plate is T-shaped, and a handle is fixedly mounted on the front wall of the discharge plate.

[0011] Compared with the prior art, the utility model provides an asphalt concrete raw material crusher, which has the following beneficial effects:

[0012] The asphalt concrete raw material crusher is provided with a kneading component. After the kneading component is used, the gears are meshed with each other and the transmission of the synchronous wheel and the synchronous belt make the transmission shafts on both sides rotate in opposite directions and at the same speed, driving the crushing rollers and kneading bars on both sides to rotate in opposite directions and at the same speed, so that the kneading bars knead the asphalt concrete raw materials that fall between the two sides of the kneading bars in a staggered manner, so that the asphalt concrete raw materials are continuously squeezed and rolled. Since the crushing surface of the crushing roller is a conical surface, the asphalt concrete raw materials can be gradually and fully crushed, thereby improving the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the front structure of the utility model;

[0014] Figure 2 It is a side stereoscopic cross-sectional view of the structure of the utility model;

[0015] Figure 3 It is a three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 4 It is a three-dimensional cross-sectional view from above of the structure of the utility model.

[0017] In the figure: 1 supporting leg, 2 fixed shell, 3 crushing chamber, 4 feeding hopper, 5 kneading assembly, 51 movable shaft, 52 motor, 53 transmission shaft, 54 crushing roller, 55 kneading rib, 56 gear, 57 synchronous wheel, 58 synchronous belt, 6 controller, 7 baffle bar, 8 unloading assembly, 81 supporting bar, 82 unloading plate. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-2 An asphalt concrete raw material crusher includes a supporting leg 1, a fixed shell 2 is fixedly installed on the top of the supporting leg 1, a crushing chamber 3 is fixedly installed in the fixed shell 2, a feed hopper 4 connected to the inner cavity of the crushing chamber 3 is fixedly installed on the top of the crushing chamber 3, and the asphalt concrete raw material is poured from the feed hopper 4.

[0020] Among them, a baffle bar 7 is fixedly installed at the bottom of the crushing chamber 3, and a unloading assembly 8 is arranged on the crushing chamber 3 and the baffle bar 7. The unloading assembly 8 includes a support bar 81 and a unloading plate 82. The support bar 81 is fixedly installed on the front wall of the baffle bar 7. The support bar 81 is fixedly installed on the bottom of the crushing chamber 3. The support bar 81 is in an L-shape. The unloading plate 82 is slidably connected to the support bar 81 and corresponds to the unloading port at the bottom of the crushing chamber 3. The support bar 81 can support and guide the unloading plate 82 so that the unloading plate 82 can move forward and backward along the support bar 81. The shape of the unloading plate 82 is T-shaped, and a handle is fixedly installed on the front wall of the unloading plate 82 to facilitate pulling the unloading plate 82 to unload.

[0021] See also Figure 3-4 A kneading component 5 for kneading and crushing the asphalt concrete raw materials is arranged on the fixed shell 2 and the crushing chamber 3. The kneading component 5 includes a movable shaft 51, a motor 52, a transmission shaft 53, a crushing roller 54, a kneading rib 55, a gear 56, a synchronous wheel 57 and a synchronous belt 58. The movable shaft 51 is rotatably connected to the side wall of the fixed shell 2. The motor 52 is fixedly installed on the side wall of the fixed shell 2. The output shaft of the motor 52 is fixedly installed with the movable shaft 51. When the motor 52 is started, the movable shaft 51 rotates to gradually crush the asphalt concrete raw materials. A controller 6 is fixedly installed on the side wall of the fixed shell 2 and in front of the motor 52. The controller 6 is electrically connected to the motor 52.

[0022] In addition, the transmission shaft 53 is rotatably connected to the side wall of the crushing chamber 3. There are two transmission shafts 53. The transmission shaft 53 is rotatably connected to the fixed shell 2. The fixed shell 2 and the crushing chamber 3 can support the transmission shaft 53. The crushing roller 54 is fixedly installed at the end of the transmission shaft 53. The crushing roller 54 can rotate along with the transmission shaft 53. The shape of the crushing roller 54 is a combination of a cylinder and a truncated cone. The crushing roller 54 is rotatably connected to the crushing chamber 3. The kneading ribs 55 are fixedly connected to the conical surface of the crushing roller 54. The shape of the kneading ribs 55 is a triangular prism. The rotating kneading ribs 55 can squeeze and knead the asphalt concrete raw materials to achieve the purpose of crushing.

[0023] At the same time, gear 56 is fixedly mounted on the outer surfaces of the movable shaft 51 and the transmission shaft 53, and gear 56 is meshed with the outside of gear 56, so that the movable shaft 51 connected to gear 56 and the transmission shaft 53 rotate in opposite directions but at the same speed, and the synchronous wheel 57 is fixedly mounted on the outer surfaces of the movable shaft 51 and the transmission shaft 53, and the synchronous belt 58 is transmission-connected to the outer surface of the synchronous wheel 57. Under the transmission of the synchronous belt 58, the movable shaft 51 connected to the synchronous wheel 57 and the transmission shaft 53 rotate in the same direction and at the same speed, thereby making the crushing rollers 54 on both sides rotate in opposite directions but at the same speed, so that the kneading ribs 55 squeeze and knead the asphalt concrete raw materials in an offset manner, thereby improving the adequacy of the crushing of the asphalt concrete raw materials, and the gear 56, the synchronous wheel 57 and the synchronous belt 58 are distributed on both sides of the crushing chamber 3.

[0024] When this embodiment is in use, the motor 52 is started, the movable shaft 51 rotates, and under the mutual meshing of the gears 56, the transmission shaft 53 on one side together with the crushing roller 54 and the kneading ribs 55 rotate in one direction, and under the transmission of the synchronous wheel 57 and the synchronous belt 58, the transmission shaft 53 on the other side together with the crushing roller 54 and the kneading ribs 55 rotate in the other direction, so that the crushing rollers 54 and the kneading ribs 55 on both sides rotate at the same speed but in different directions, and the asphalt concrete raw materials are poured into the feed hopper 4. The fallen asphalt concrete raw materials are squeezed and kneaded by the rotating kneading ribs 55 on both sides. After the crushing is completed, the unloading plate 82 is pulled to discharge the asphalt concrete from the crushing chamber 3.

[0025] The beneficial effects of the above embodiments are:

[0026] The asphalt concrete raw material crusher is provided with a kneading component 5. After the kneading component 5 is used, the gear 56 is meshed with the gear 56 and the synchronous wheel 57 and the synchronous belt 58 drive, so that the transmission shafts 53 on both sides rotate in opposite directions and at the same speed, driving the crushing rollers 54 and kneading ribs 55 on both sides to rotate in opposite directions and at the same speed, so that the kneading ribs 55 knead the asphalt concrete raw materials that fall between the two sides of the kneading ribs 55 in a staggered manner, so that the asphalt concrete raw materials are continuously squeezed and rolled. Since the crushing surface of the crushing roller 54 is a conical surface, the asphalt concrete raw materials can be gradually and fully crushed, thereby improving the crushing effect.

[0027] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt concrete raw material crusher, comprising a support leg (1), a fixed shell (2) fixedly mounted on the top of the support leg (1), a crushing chamber (3) fixedly mounted in the fixed shell (2), a feed hopper (4) connected to the inner cavity of the crushing chamber (3) fixedly mounted on the top of the crushing chamber (3), characterized in that: The fixed shell (2) and the crushing chamber (3) are provided with a kneading component (5) for kneading and crushing the asphalt concrete raw material; The kneading assembly (5) comprises a movable shaft (51), a motor (52), a transmission shaft (53), a crushing roller (54), a kneading rib (55), a gear (56), a synchronous wheel (57) and a synchronous belt (58); the movable shaft (51) is rotatably connected to the side wall of the fixed shell (2); the motor (52) is fixedly mounted on the side wall of the fixed shell (2); the output shaft of the motor (52) is fixedly mounted on the movable shaft (51); the transmission shaft (53) is rotatably connected to the crushing chamber (3); The crushing roller (54) is fixedly mounted on the end of the transmission shaft (53), the kneading ribs (55) are fixedly connected to the conical surface of the crushing roller (54), the gear (56) is fixedly mounted on the outer surfaces of the movable shaft (51) and the transmission shaft (53), the gear (56) is externally meshed with the gear (56), the synchronous wheel (57) is fixedly mounted on the outer surfaces of the movable shaft (51) and the transmission shaft (53), and the synchronous belt (58) is transmission-connected to the outer surface of the synchronous wheel (57).

2. The asphalt concrete raw material crusher according to claim 1, characterized in that: The transmission shaft (53) is rotationally connected to the fixed shell (2), the crushing roller (54) is rotationally connected to the crushing chamber (3), the kneading ribs (55) are in the shape of a triangular prism, and the gear (56), the synchronous wheel (57) and the synchronous belt (58) are distributed on both sides of the crushing chamber (3).

3. The asphalt concrete raw material crusher according to claim 1, characterized in that: The shape of the crushing roller (54) is a combination of a cylinder and a truncated cone. A controller (6) is fixedly installed on the side wall of the fixed shell (2) and located in front of the motor (52). The controller (6) is electrically connected to the motor (52).

4. The asphalt concrete raw material crusher according to claim 1, characterized in that: A baffle (7) is fixedly mounted on the bottom of the crushing chamber (3); a discharge assembly (8) is provided on the crushing chamber (3) and the baffle (7); the discharge assembly (8) comprises a support bar (81) and a discharge plate (82); the support bar (81) is fixedly mounted on the front wall of the baffle (7); the discharge plate (82) is slidably connected to the support bar (81) and corresponds to a discharge opening at the bottom of the crushing chamber (3).

5. The asphalt concrete raw material crusher according to claim 4, characterized in that: The support bar (81) is fixedly mounted on the bottom of the crushing chamber (3); the support bar (81) is L-shaped; the discharge plate (82) is T-shaped; and a handle is fixedly mounted on the front wall of the discharge plate (82).

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