Efficient asphalt concrete stirring structure

Abstract

The utility model relates to an efficient asphalt concrete stirring structure which comprises a tank body, a stirring shaft rotationally connected to the interior of the tank body, a driving part arranged outside the tank body and used for driving the stirring shaft to rotate and a plurality of stirring rods arranged on the peripheral side of the stirring shaft. A discharging port is formed in the bottom of the tank body, a blocking piece capable of opening or closing the discharging port is arranged at the bottom of the tank body, the interior of the stirring shaft is hollow, the end, away from the driving piece, of the stirring shaft extends out of the tank body and is communicated with a rotating connector, and the interior of the stirring rod is hollow and is provided with a liquid outlet structure. An asphalt material can enter the stirring rod through the stirring shaft and flows out through the liquid outlet structure; according to the device, the mineral aggregate is added into the tank body, so that the asphalt material enters the tank body from the interior of the mineral aggregate, the mixing uniformity of the mineral aggregate and the asphalt material is improved, the stirring time required for producing the asphalt concrete is shortened, and the production efficiency of the asphalt concrete is greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of asphalt concrete processing, and particularly relates to an efficient stirring structure for asphalt concrete. BACKGROUND

[0002] Asphalt concrete is a mixture prepared by mixing mineral aggregates (such as gravel, crushed gravel, stone chips, sand, and mineral powder) with a certain proportion of road asphalt material under strict control. In the process of repairing the road surface, the amount of asphalt concrete is small, so a small stirring device is needed to stir the asphalt concrete.

[0003] At present, the small stirring device comprises a tank body, a stirring shaft arranged in the tank body, and a driving member arranged outside the tank body and used for driving the stirring shaft to rotate. The stirring shaft is provided with stirring blades arranged in the tank body. The top of the tank body is provided with a feeding port, and the bottom of the tank body is provided with a discharging port. When the asphalt concrete is stirred, the mineral aggregate and the asphalt material are poured into the inside of the tank body through the feeding port, and then the driving member is started to drive the stirring shaft, so that the stirring shaft drives the stirring blades to rotate to stir the mineral aggregate and the asphalt material, so that the mineral aggregate and the asphalt material are uniformly mixed to complete the production of the asphalt concrete.

[0004] Due to the limited number of stirring blades, if the uniformity of the mixture of the mineral aggregate and the asphalt material is to be improved, the stirring time needs to be increased, thereby affecting the production efficiency of the asphalt concrete. Content of the utility model

[0005] In order to improve the production efficiency of the asphalt concrete, the present application provides an efficient stirring structure for asphalt concrete.

[0006] The efficient stirring structure for asphalt concrete provided by the present application adopts the following technical scheme:

[0007] The efficient stirring structure for asphalt concrete comprises a tank body, a stirring shaft rotatably connected to the inside of the tank body, a driving member arranged outside the tank body and used for driving the stirring shaft to rotate, and a plurality of stirring rods arranged on the periphery of the stirring shaft. The top of the tank body is provided with a feeding port, the bottom of the tank body is provided with a discharging port, and the bottom of the tank body is provided with a plugging member capable of opening or closing the discharging port. The inside of the stirring shaft is hollow. One end of the stirring shaft away from the driving member extends out of the tank body and is connected with a rotary joint. The inside of the stirring rod is hollow and is provided with a liquid outlet structure, so that the asphalt material can enter the stirring rod through the stirring shaft and flow out through the liquid outlet structure.

[0008] By adopting the technical scheme, when the asphalt concrete is produced, the mineral aggregate is poured into the tank body through the feeding port, then the device for conveying the asphalt material outside is communicated with the rotary joint, the driving member is started, the driving member drives the stirring shaft, the stirring shaft drives the stirring rod to rotate, the stirring rod stirs the mineral aggregate, at the same time, the asphalt material enters the stirring rod through the rotary joint and the stirring shaft, and finally enters the tank body through the liquid outlet structure and is mixed with the mineral aggregate, since the asphalt material enters the tank body from the inside of the mineral aggregate, the mixing uniformity of the mineral aggregate and the asphalt material is improved, the stirring time required when the asphalt concrete is produced is reduced, and the production efficiency of the asphalt concrete is greatly improved.

[0009] Optionally, the liquid outlet structure is a strip-shaped groove arranged on the stirring rod and extending along the axial direction of the stirring rod.

[0010] By adopting the technical scheme, since the liquid outlet structure is a strip-shaped groove, the asphalt material flows out of the stirring rod more smoothly, the pressure of the asphalt material when flowing is reduced, the mixing uniformity of the asphalt material and the mineral aggregate is ensured, the required stirring time is further shortened, and the production efficiency of the asphalt concrete is further improved.

[0011] Optionally, the stirring rod is rotationally connected with a supporting wheel located in the strip-shaped groove, and the supporting wheel can abut against the inner wall of the tank body.

[0012] By adopting the technical scheme, when the stirring shaft rotates, the stirring shaft drives the stirring rod to rotate, and the stirring rod drives the supporting wheel to rotate, so that the supporting wheel relatively rolls with the inner wall of the tank body, so that the stirring rod can support the stirring shaft, the stability of the stirring shaft is improved, and the service life of the asphalt concrete efficient stirring structure is improved.

[0013] Optionally, the stirring rod has a first rotation direction for stirring the mineral aggregate, and the liquid outlet structure is arranged on the side of the stirring rod away from the first rotation direction.

[0014] By adopting the technical scheme, since the liquid outlet structure is arranged on the side of the stirring rod away from the first rotation direction, the liquid outlet structure can be avoided by the mineral aggregate, so that the situation that the mineral aggregate enters the stirring rod through the liquid outlet structure is greatly reduced, and the smoothness of the asphalt material flowing out of the stirring rod is ensured.

[0015] Optionally, the tank body is provided with guide rails located on opposite sides of the blocking member, a sliding space is formed between the guide rails and the outer wall of the tank body, and the opposite sides of the blocking member are respectively slidably connected to the sliding space.

[0016] By adopting the above technical scheme, when the discharge port is opened, only the sliding of the blocking piece is needed, so as to conveniently discharge the mixed asphalt concrete from the tank, reduce the operation difficulty of the user, and further improve the production efficiency of the asphalt concrete.

[0017] Optionally, the blocking piece has a closing position opposite to the discharge port and an opening position avoiding the discharge port, and the end of the guide rail is provided with a limiting block capable of being in abutment with the blocking piece in the closing position.

[0018] By adopting the above technical scheme, when the blocking piece is in the closing position, the limiting block is in abutment with the blocking piece, thereby increasing the stability of the blocking piece, so as to ensure the closing effect of the blocking piece on the discharge port.

[0019] Optionally, the guide rail is provided with a locking bolt corresponding to the blocking piece in the closing position, and the locking bolt is capable of abutting against the blocking piece.

[0020] By adopting the above technical scheme, after the blocking piece is slid to the closing position, the locking bolt is screwed, so as to abut against the blocking piece, thereby locking the blocking piece, further increasing the blocking effect of the blocking piece on the discharge port, and avoiding the situation that the mineral aggregate may fall due to the relative movement between the blocking piece and the tank.

[0021] Optionally, a hand holding portion is arranged on the side of the blocking piece away from the tank, and a hand holding space is formed between the hand holding portion and the tank.

[0022] By adopting the above technical scheme, when the blocking piece is slid, the hand holding portion can be gripped by the worker, and the hand can be inserted into the hand holding space, so as to realize the operation of the blocking piece by pulling the hand holding portion, thereby greatly reducing the operation difficulty of the worker on the blocking piece, and greatly improving the production efficiency of the asphalt concrete.

[0023] Optionally, a plurality of the stirring rods are spirally distributed along the axial direction of the stirring shaft.

[0024] By adopting the above technical scheme, since the plurality of stirring rods are spirally distributed along the axial direction of the stirring shaft, the stirring effect of the stirring rods on the mineral aggregate and the asphalt material is greatly improved, and the production efficiency of the asphalt concrete is greatly improved.

[0025] Optionally, the plurality of stirring rods are divided into a plurality of groups, the stirring rods in each group of the stirring rods are located on the same plane perpendicular to the stirring shaft, and the stirring shaft is provided with a spiral blade located between adjacent two groups of the stirring rods.

[0026] By adopting the technical scheme, the spiral blade is arranged between the adjacent two groups of stirring rods, so that the spiral blade can stir the mineral aggregate, thereby greatly improving the mixing uniformity of the mineral aggregate and the asphalt material, and greatly improving the production efficiency of the asphalt concrete.

[0027] To sum up, the present application has at least one of the following beneficial technical effects:

[0028] 1. The asphalt concrete efficient stirring structure in the present application comprises a tank body, a stirring shaft rotatably connected to the inside of the tank body, a driving member arranged outside the tank body and used for driving the stirring shaft to rotate, and a plurality of stirring rods arranged on the side of the stirring shaft. The top of the tank body is provided with a feeding port, the bottom of the tank body is provided with a discharging port, and the bottom of the tank body is provided with a plugging member capable of opening or closing the discharging port. The inside of the stirring shaft is hollow. The end of the stirring shaft away from the driving member extends out of the tank body and is connected with a rotary joint. The inside of the stirring rod is hollow and is provided with a liquid outlet structure, so that the asphalt material can enter the stirring rod through the stirring shaft and flow out through the liquid outlet structure. When the asphalt concrete efficient stirring structure in the present application is used to produce asphalt concrete, the mineral aggregate is first poured into the inside of the tank body through the feeding port, then the equipment for conveying asphalt material outside is connected with the rotary joint, the driving member is started, the driving member drives the stirring shaft, the stirring shaft drives the stirring rod to rotate, the stirring rod stirs the mineral aggregate, at the same time, the asphalt material enters the inside of the stirring rod through the rotary joint and the stirring shaft, and finally enters the tank body through the liquid outlet structure and mixes with the mineral aggregate. Since the asphalt material enters the tank body from the inside of the mineral aggregate, the mixing uniformity of the mineral aggregate and the asphalt material is increased, the stirring time required when producing the asphalt concrete is reduced, and the production efficiency of the asphalt concrete is greatly improved.

[0029] 2. The liquid outlet structure in the present application is a strip-shaped groove arranged in the stirring rod. The strip-shaped groove is arranged in the axial direction of the stirring rod, so that the asphalt material flows out of the stirring rod more smoothly, the pressure of the asphalt material when flowing is reduced, the mixing uniformity of the asphalt material and the mineral aggregate is ensured, the required stirring time is further shortened, and the production efficiency of the asphalt concrete is further improved.

[0030] 3. The stirring rod in the present application is rotatably connected with a supporting wheel located in the strip-shaped groove. The supporting wheel can abut against the inner wall of the tank body. When the stirring shaft rotates, the stirring shaft drives the stirring rod to rotate, the stirring rod drives the supporting wheel to rotate, and then the supporting wheel rolls relative to the inner wall of the tank body. The stirring rod can support the stirring shaft to increase the stability of the stirring shaft and the service life of the asphalt concrete efficient stirring structure. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structural schematic view of the asphalt concrete efficient stirring structure in the embodiment of the present application.

[0032] Figure 2 It is a sectional view of the high-efficiency asphalt concrete mixing structure in the embodiment of the application, and the arrow in the figure indicates the first rotation direction.

[0033] Figure 3 It is a structural schematic view of the stirring rod in the embodiment of the application.

[0034] Reference signs: 1, tank body; 11, feeding port; 12, discharging port; 121, plugging member; 122, handheld part; 13, guide rail; 131, limiting block; 132, locking bolt; 2, stirring shaft; 21, rotary joint; 3, driving member; 4, stirring rod; 41, liquid outlet structure; 411, supporting wheel. DETAILED DESCRIPTION

[0035] The following will be described in detail in combination with the accompanying Figures 1-3 The application will be further described in detail.

[0036] The embodiment of the application discloses a high-efficiency asphalt concrete mixing structure.

[0037] Reference Figures 1 to 3 The high-efficiency asphalt concrete mixing structure comprises a tank body 1, a stirring shaft 2 rotatably connected to the inside of the tank body 1, a driving member 3 arranged outside the tank body 1 and used for driving the stirring shaft 2 to rotate, and a plurality of stirring rods 4 arranged on the side of the stirring shaft 2, the top of the tank body 1 is provided with a feeding port 11, the bottom of the tank body 1 is provided with a discharging port 12, and the bottom of the tank body 1 is provided with a plugging member 121 capable of opening or closing the discharging port 12, the inside of the stirring shaft 2 is hollow, the end of the stirring shaft 2 away from the driving member 3 is arranged to protrude out of the tank body and is provided with a rotary joint 21 in communication, the inside of the stirring rod 4 is hollow and is provided with a liquid outlet structure 41, so that the asphalt material can enter the stirring rod 4 through the stirring shaft 2 and flow out through the liquid outlet structure 41.

[0038] It can be understood that the stirring rod 4 is fixedly connected with the stirring shaft 2 and is in communication with each other, so that the asphalt material can enter the stirring rod 4 through the stirring shaft 2.

[0039] When the asphalt concrete is produced, the mineral aggregate is poured into the tank 1 through the feeding port 11, then the device for conveying the asphalt material outside is communicated with the rotary joint 21, the driving member 3 is started, the driving member 3 drives the stirring shaft 2, the stirring shaft 2 drives the stirring rod 4 to rotate, the stirring rod 4 stirs the mineral aggregate, and the asphalt material enters the stirring rod 4 through the rotary joint 21 and the stirring shaft 2, and finally enters the tank 1 through the liquid outlet structure 41 and is mixed with the mineral aggregate, so that the asphalt material enters the tank 1 from the inside of the mineral aggregate, the mixing uniformity of the mineral aggregate and the asphalt material is improved, the stirring time required when the asphalt concrete is produced is reduced, and the production efficiency of the asphalt concrete is greatly improved.

[0040] In addition, the end of the stirring shaft 2 away from the driving member 3 extends into the tank 1, so that the tank 1 can support the stirring shaft 2, thereby improving the stability of the stirring shaft 2.

[0041] Preferably, the tank 1 in the application is horizontally arranged, that is, the central axis of the tank 1 is horizontally arranged, so as to improve the mixing uniformity of the mineral aggregate and the asphalt material.

[0042] The structure of the driving member 3 is not limited in the application, preferably, the driving member 3 comprises a driving motor and a speed reducer connecting the output shaft of the driving motor and the stirring shaft 2, so as to reduce the rotating speed of the stirring shaft 2, thereby reducing the compliance of the driving motor and prolonging the service life of the driving motor. In other embodiments, the driving member 3 can also comprise a servo motor and a shaft coupling.

[0043] The structure of the liquid outlet structure 41 is not limited in the application, preferably, referring to Figure 2 and Figure 3 , the liquid outlet structure 41 is a strip-shaped groove arranged on the stirring rod 4, the strip-shaped groove extends along the axial direction of the stirring rod 4, so that the asphalt material flows out of the stirring rod 4 more smoothly, the pressure of the asphalt material when flowing is reduced, the mixing uniformity of the asphalt material and the mineral aggregate is ensured, the stirring time is further shortened, and the production efficiency of the asphalt concrete is further improved.

[0044] Further, referring to Figure 2 , the stirring rod 4 is rotationally connected with a supporting wheel 411 arranged in the strip-shaped groove, and the supporting wheel 411 can abut against the inner wall of the tank 1.

[0045] It should be noted that the rotating axis of the supporting wheel 411 is parallel to the axial direction of the stirring shaft 2, and the supporting wheel 411 is arranged at the end of the stirring rod 4 away from the stirring shaft 2.

[0046] When the stirring shaft 2 rotates, the stirring shaft 2 drives the stirring rod 4 to rotate, the stirring rod 4 drives the supporting wheel 411 to rotate, and then the supporting wheel 411 rolls relative to the inner wall of the tank body 1, so that the stirring rod 4 can support the stirring shaft 2, thereby increasing the stability of the stirring shaft 2 and increasing the service life of the high-efficiency asphalt concrete stirring structure.

[0047] In other embodiments, the liquid outlet structure 41 can also be a hole structure arranged on the stirring rod 4.

[0048] The application does not specifically limit the arrangement position of the liquid outlet structure 41, preferably, referring to Figure 2 , the stirring rod 4 has a first rotation direction for stirring the mineral aggregate, and the liquid outlet structure 41 is arranged on the side of the stirring rod 4 away from the first rotation direction, so that the liquid outlet structure 41 can be avoided by the mineral aggregate, thereby greatly reducing the situation that the mineral aggregate enters the inside of the stirring rod 4 through the liquid outlet structure 41, and ensuring the smoothness of the asphalt material flowing out of the stirring rod 4.

[0049] In other embodiments, the liquid outlet structure 41 can also be arranged at other positions of the stirring rod 4.

[0050] Preferably, the blocking piece 121 is a plate-shaped structure matched with the outer contour of the tank body 1.

[0051] The application does not specifically limit the connection mode of the blocking piece 121 and the tank body 1, preferably, referring to Figure 1 and Figure 2 , the tank body 1 is provided with guide rails 13 located on the opposite sides of the blocking piece 121, and a sliding space is formed between the guide rails 13 and the outer wall of the tank body 1, and the opposite sides of the blocking piece 121 are respectively connected to the sliding space in a sliding manner.

[0052] It can be understood that the tank body 1 is connected to the tank body 1 in a sliding manner.

[0053] When opening the discharge port 12, only the blocking piece 121 needs to be slid, so as to conveniently discharge the stirred asphalt concrete out of the tank body 1, thereby reducing the operation difficulty of the user and further improving the production efficiency of the asphalt concrete.

[0054] Further, referring to Figure 2 , the blocking piece 121 has a closing position opposite to the discharge port 12 and an opening position avoiding the discharge port 12, and the end of the guide rail 13 is provided with a limiting block 131 capable of being stopped and matched with the blocking piece 121 in the closing position.

[0055] Since the limiting block 131 is stopped and matched with the blocking piece 121 when the blocking piece 121 is in the closing position, the stability of the blocking piece 121 is increased, so as to ensure the closing effect of the blocking piece 121 on the discharge port 12.

[0056] Further, referring to Figure 2 , the guide rail 13 is provided with a locking bolt 132 corresponding to the blocking piece 121 in the closed position, and the locking bolt 132 can abut against the blocking piece 121.

[0057] After sliding the blocking piece 121 to the closed position, the locking bolt 132 is screwed to abut against the blocking piece 121, so as to lock the blocking piece 121, thereby further increasing the blocking effect of the blocking piece 121 on the discharge port 12, to avoid the situation that the mineral material may fall due to the relative movement between the blocking piece 121 and the tank body 1.

[0058] In other embodiments, the blocking piece 121 can also be connected to the tank body 1 in a hinged manner.

[0059] In a preferred embodiment, referring to Figure 1 and Figure 2 , the blocking piece 121 is provided with a hand-held portion 122 on the side away from the tank body 1, and a hand-held space is formed between the hand-held portion 122 and the tank body 1.

[0060] When sliding the blocking piece, the worker can hold the hand-held portion 122 and put his hand into the hand-held space to operate the blocking piece 121 by pulling the hand-held portion 122, thereby greatly reducing the operation difficulty of the worker on the blocking piece 121, and greatly improving the production efficiency of the asphalt concrete.

[0061] Preferably, referring to Figure 2 , the hand-held portion 122 is in the form of a C-shaped rod structure to improve the comfort of the worker's hand holding.

[0062] The distribution manner of the stirring rod 4 is not specifically limited in the present application, and any one of the following embodiments can be adopted:

[0063] In the first embodiment, a plurality of stirring rods 4 are distributed in a spiral along the axial direction of the stirring shaft 2, thereby greatly improving the stirring effect of the stirring rod 4 on the mineral material and the asphalt material, and further greatly improving the production efficiency of the asphalt concrete.

[0064] In the second embodiment, a plurality of stirring rods 4 are divided into a plurality of groups, and the stirring rods 4 in each group of stirring rods 4 are located on the same plane perpendicular to the stirring shaft 2, and the stirring shaft 2 is provided with a spiral blade located between the adjacent two groups of stirring rods 4.

[0065] Since the spiral blade is arranged between the adjacent two groups of stirring rods 4, the spiral blade can stir the mineral material, thereby greatly improving the mixing uniformity of the mineral material and the asphalt material, and greatly improving the production efficiency of the asphalt concrete.

[0066] The places not mentioned in the application can be realized by using or referring to the existing technology.

[0067] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other. Each of the embodiments focuses on the difference from other embodiments.

[0068] The above are the preferred embodiments of the application, but not to limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A high efficiency asphalt concrete mixing structure, characterized by, The utility model provides a kind of asphalt mixing device, including tank body (1), rotatingly connected in the stirring shaft (2) of the tank body (1) inside, be equipped with the driving element (3) for driving the stirring shaft (2) rotation in the tank body (1) outside and be equipped with multiple stirring rods (4) in the stirring shaft (2) week side, the top of the tank body (1) is provided with inlet (11), the bottom of the tank body (1) is provided with outlet (12), and the bottom of the tank body (1) is provided with the plugging element (121) that can open or close the outlet (12), the inside of the stirring shaft (2) is hollow, the end of the stirring shaft (2) away from the driving element (3) is arranged and is communicated with rotary joint (21) and is arranged, the inside of the stirring rod (4) is hollow and is provided with liquid outlet structure (41), so that asphalt material can enter the stirring rod (4) via the stirring shaft (2) and flow out via the liquid outlet structure (41).

2. The high efficiency asphalt concrete mixing structure according to claim 1, characterized in that, The liquid outlet structure (41) is a strip-shaped groove provided on the stirring rod (4), and the strip-shaped groove is arranged along the axial direction of the stirring rod (4).

3. The high efficiency asphalt concrete mixing structure according to claim 2, characterized in that, The stirring rod (4) is rotatably connected with a support wheel (411) located in the strip-shaped groove, and the support wheel (411) can abut against the inner wall of the tank body (1).

4. The high efficiency asphalt concrete mixing structure according to claim 1, characterized in that, The stirring rod (4) has a first rotation direction for stirring the mineral aggregate, and the liquid outlet structure (41) is arranged on the side of the stirring rod (4) away from the first rotation direction.

5. The high efficiency asphalt concrete mixing structure according to claim 1, wherein The tank body (1) is provided with guide rails (13) located on the opposite sides of the plugging element (121), and a sliding space is formed between the guide rails (13) and the outer wall of the tank body (1). The opposite sides of the plugging element (121) are slidably connected to the sliding space, respectively.

6. The high efficiency asphalt concrete mixing structure according to claim 5, wherein, The plugging element (121) has a closed position opposite to the outlet (12) and an open position avoiding the outlet (12). The end of the guide rail (13) is provided with a limiting block (131), and the limiting block (131) can be in abutting engagement with the plugging element (121) in the closed position.

7. The high efficiency asphalt concrete mixing structure according to claim 6, wherein The guide rail (13) is provided with a locking bolt (132) corresponding to the plugging element (121) in the closed position, and the locking bolt (132) can abut against the plugging element (121).

8. The high efficiency asphalt concrete mixing structure according to claim 1, wherein, The side of the plugging element (121) away from the tank body (1) is provided with a hand-held portion (122), and a hand-holding space is formed between the hand-held portion (122) and the tank body (1).

9. The high efficiency asphalt concrete mixing structure of claim 1, wherein Multiple stirring rods (4) are spirally distributed along the axial direction of the stirring shaft (2).

10. The high efficiency asphalt concrete mixing structure of claim 1, wherein Multiple stirring rods (4) are divided into multiple groups, and the stirring rods (4) in each group of stirring rods (4) are located on the same plane perpendicular to the stirring shaft (2). The stirring shaft (2) is provided with a spiral blade located between adjacent two groups of stirring rods (4).

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