CN210657879U

CN210657879U - Asphalt mixture mixing machine

Info

Publication number: CN210657879U
Application number: CN201921442766.XU
Authority: CN
Inventors: 江博; 朱德平; 洪亚兰; 唐敏; 刘宇
Original assignee: Anhui Road And Bridge Test And Inspection Co Ltd
Current assignee: Anhui Road And Bridge Test And Inspection Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-02
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to an asphalt mixture mixer, including the organism, be located organism upper portion's regulating box, be located the agitator tank of organism one side and be located the stirring subassembly on agitator tank upper portion, the regulating box with be provided with the drive perpendicularly between the organism the cylinder of elevating movement is done to the regulating box, the stirring subassembly includes that the top rotates with the regulating box and is connected and extend to the outside first (mixing) shaft of regulating box, encircle and fix helical blade and a plurality of stirring frame of fixing on first (mixing) shaft side wall, and is adjacent the contained angle of the horizontal frame extension line of stirring frame is the right angle. The utility model discloses the effect that improves mixer stirring efficiency has.

Description

Asphalt mixture mixing machine

Technical Field

The utility model belongs to the technical field of the technique of pitch check out test set and specifically relates to a bituminous mixture mixer is related to.

Background

The asphalt mixture is a composite material, mainly composed of asphalt, coarse aggregate, fine aggregate and mineral powder, and is formed into different structures by mixing the materials with different qualities and quantities and has different mechanical properties. The most common types of asphalt mixtures used in engineering are two: one is asphalt concrete mixture, which is a mixture of mineral aggregate in proper proportion, coarse aggregate, fine aggregate and stuffing, and asphalt binder, and has residual porosity lower than 10%, and is expressed as AC and LH in circular hole sieve. The other is an asphalt-gravel mixture, which is a mixture with residual porosity of more than 10% after mixing and compacting coarse aggregates, fine aggregates and fillers (or no fillers) in a proper proportion with asphalt, and is called as an asphalt-gravel mixture for short, and is expressed by AM.

Before the quality of the asphalt mixture is detected, the asphalt and other auxiliary materials are generally mixed according to a ratio given by a manufacturer, and then the asphalt mixture is inspected to detect the quality of the asphalt mixture at the ratio. The equipment commonly used to mix asphalt and other associated adjuvants is known as a mixer. The mixing machine is a machine which stirs and mixes a plurality of raw materials by driving a stirring blade to rotate at a high speed to form a mixture with proper consistency. The mixing machine can meet the production requirements of asphalt mixtures with different performance requirements, and has the advantages of small occupied area, low investment, quick response, simple operation and the like. Therefore, the mixing machine is widely applied to the building industry, the chemical industry, the scientific research field, the quality inspection department and the like.

At present, a Chinese utility model with publication number CN202427389U discloses an asphalt mixer, which comprises an iron stand, a motor, a rotating shaft, a rotating blade, a barrel and a speed changer, wherein the motor is arranged on the iron stand, the rotating blade is connected with the motor through the rotating shaft arranged below the motor, and the speed changer is connected with the motor; the barrel is positioned below the motor, and the rotating blade extends into the barrel.

The above prior art solutions have the following drawbacks: because the rotating area of the rotating blade of the stirrer is small, the stirring dead angle exists in the scheme, and the stirring efficiency of the stirrer is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an asphalt mixture mixer, it has the effect that improves mixer stirring efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an asphalt mixture mixer, includes the organism, is located the regulating box on organism upper portion and is located the churn of organism one side, the regulating box with be provided with the drive perpendicularly between the organism the cylinder of elevating movement is done to the regulating box, the upper portion of churn is provided with the stirring subassembly, the stirring subassembly includes that the top rotates with the regulating box and is connected and extend to the outside first (mixing) shaft of regulating box, encircles and fixes helical blade and a plurality of stirring frame of fixing on first (mixing) shaft week side wall, and is adjacent the contained angle of the horizontal frame extension line of stirring frame is the right angle.

By adopting the technical scheme, the helical blades are arranged on the peripheral side wall of the first stirring shaft in a surrounding manner, the helical blades are suitable for stirring the mixture with larger viscosity, and the helical blades have the function of raising the mixture, so that the mixture is prevented from sinking to the bottom, and the stirring efficiency of the mixer on the mixture is improved; stirring frame and first (mixing) shaft fixed connection to following first (mixing) shaft and rotate, thereby stirring the mixture, the setting up of stirring frame has enlarged the stirring area of stirring subassembly, has eliminated the stirring dead angle, thereby has improved the stirring efficiency of mixer to the mixture.

The utility model discloses further set up to: the stirring assembly further comprises a second stirring shaft vertically fixed in the stirring frame and a plurality of stirring rods detachably connected to the second stirring shaft and distributed along the length direction of the second stirring shaft, and one end of each stirring rod, which is far away from the second stirring shaft, is obliquely and downwards arranged.

Through adopting above-mentioned technical scheme, at the high-speed rotatory in-process of first (mixing) shaft drive stirring frame, the stirring rod of slope stirs the bituminous mixture in the stirring frame to further improve bituminous mixture's the stirring degree of consistency, with this stirring efficiency that improves the mixer.

The utility model discloses further set up to: the stirring rod is characterized in that fixing hoops are symmetrically sleeved on the second stirring shaft and connected through bolts, and the top end of the stirring rod is fixedly connected to the outer wall of the fixing hoop far away from the first stirring shaft.

Through adopting above-mentioned technical scheme, bolted connection's the dismantlement mode has improved the convenience of maintenance and change stirring rod, in addition, because bolted connection's mode is comparatively fastened to stability when having improved the high-speed rotation of stirring rod.

The utility model discloses further set up to: the inner wall of the fixed hoop is provided with a limiting groove, and the peripheral wall of the second stirring shaft is integrally connected with a limiting block matched with the limiting groove in a sliding manner.

Through adopting above-mentioned technical scheme, the setting of spacing groove and stopper is used for spacingly for fixed hoop, avoids the stirring rod to drive fixed hoop rotatory along the second (mixing) shaft when receiving bituminous mixture and the opposite resistance of direction of rotation to avoid stirring rod self rotatory and influence the effect of stirring material, establish the stability at the second (mixing) shaft with this improvement fixed hoop cover.

The utility model discloses further set up to: the vertical frame of the stirring frame is in contact with the inner wall of the stirring cylinder, and the longitudinal section of the contact end is triangular.

Through adopting above-mentioned technical scheme, the mullion longitudinal section that contacts the inner wall of stirring frame and agitator tank sets up to triangle-shaped to make the stirring frame when rotatory stirring bituminous mixture, strike off the bituminous mixture that will adhere on the agitator tank inner wall, thereby save the time that follow-up washing agitator tank consumeed, avoid bituminous mixture's waste simultaneously.

The utility model discloses further set up to: the cavity is seted up to the inside of regulating box, be provided with drive assembly in the cavity, drive assembly includes that fixed connection establishes the belt of being connected at the inside driving motor of cavity and one end and driving motor's drive axle sleeve, the other end of belt with the top cover of first (mixing) shaft is established and is connected.

Through adopting above-mentioned technical scheme, start driving motor, the last drive shaft of driving motor drives the belt and rotates, and the belt drives first (mixing) shaft and rotates, adopts belt transmission's mode to be favorable to absorbing the shock wave when driving motor moves to this stationarity when improving first (mixing) shaft and rotating reduces the noise when stirring.

The utility model discloses further set up to: and the machine body is fixedly connected with a shock pad positioned at the lower part of the stirring cylinder.

By adopting the technical scheme, after the asphalt mixture is stirred, the stirring cylinder is rotated to the position where the axis is parallel to the horizontal plane, then the asphalt mixture is manually taken out, and the shock pad is supported on the lower part of the stirring cylinder, so that the stirring cylinder is supported, the shock generated when the stirring cylinder is in contact with the shock pad is relieved, and the stability of the stirring cylinder during material taking is improved.

The utility model discloses further set up to: the upper surface of one side of the machine body, which is far away from the stirring cylinder, is fixedly connected with a telescopic rod, the top of which is fixedly connected with the lower surface of the adjusting box.

Through adopting above-mentioned technical scheme, the telescopic link is flexible along with the lift of regulating box for provide the support for the regulating box, with this stability that improves the regulating box.

To sum up, the utility model discloses a beneficial technological effect does:

1. the stirring frame is fixedly connected with the first stirring shaft and rotates along with the first stirring shaft, so that the mixture is stirred, the stirring area of the stirring assembly is enlarged due to the arrangement of the stirring frame, the stirring dead angle is eliminated, and the stirring efficiency of the mixer on the mixture is improved;

2. the inclined stirring rod is used for stirring the asphalt mixture in the stirring frame, so that the stirring uniformity of the asphalt mixture is further improved, and the stirring efficiency of the stirring machine is improved;

3. the stirring frame scrapes off the asphalt mixture adhered to the inner wall of the stirring cylinder while stirring the asphalt mixture in a rotating manner, so that the time consumed by subsequently cleaning the stirring cylinder is saved, and meanwhile, the waste of the asphalt mixture is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic cross-sectional view of the present embodiment.

In the figure: 1. a body; 11. a shock pad; 2. an adjusting box; 21. a cylinder; 22. a cavity; 23. a telescopic rod; 3. a mixing tank; 4. a stirring assembly; 41. a first stirring shaft; 42. a helical blade; 43. a stirring frame; 44. a second stirring shaft; 441. a limiting block; 45. a stirring rod; 46. a fixing hoop; 461. a limiting groove; 5. a transmission assembly; 51. a drive motor; 52. a belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an asphalt mixture mixing machine, including organism 1, regulating box 2 and agitator tank 3. The adjusting box 2 is positioned on the upper part of the machine body 1 and connected with the machine body 1 through a cylinder 21, and the cylinder 21 is used for driving the adjusting box 2 to do lifting movement. Still fixedly connected with telescopic link 23 between regulating box 2 and the organism 1, telescopic link 23 are located regulating box 2 and keep away from one side of churn 3, and are flexible along with the lift of regulating box 2 for 2 supports of regulating box are provided, improve the stability of regulating box 2 with this. Referring to fig. 3, a cavity 22 is formed inside the adjusting box 2, the cavity 22 is located on one side of the adjusting box 2 close to the stirring cylinder 3, and the length direction of the cavity 22 is the same as the length direction of the adjusting box 2. The stirring cylinder 3 is positioned on one side of the machine body 1 and is used for stirring asphalt and other auxiliary materials.

Referring to fig. 1 and 2, the adjusting box 2 is provided with a stirring assembly 4, and the stirring assembly 4 is positioned at the upper part of the stirring cylinder 3 and adjusts the distance between the stirring assembly 4 and the stirring cylinder 3 by the lifting of the adjusting box 2. The stirring assembly 4 comprises a first stirring shaft 41, a helical blade 42, a stirring frame 43, a second stirring shaft 44, a stirring rod 45 and a fixed hoop 46. The first stirring shaft 41 is rotatably connected to the adjusting box 2 and extends vertically to the outside of the adjusting box 2. The helical blades 42 are fixed on the peripheral side wall of the first stirring shaft 41 in a surrounding way and distributed along the length direction of the first stirring shaft 41; helical blade 42 is applicable to the great mixture of stirring viscidity, and helical blade 42 has the effect of raising mixture to avoid the mixture to sink at the bottom, with this stirring efficiency of mixer to the mixture has been improved. The section of the stirring frame 43 is rectangular, and a plurality of stirring frames 43 are arranged, and the plurality of stirring frames 43 are fixedly connected to the peripheral side wall of the first stirring shaft 41 in a surrounding manner; the included angle between the extension lines of the transverse frames of the adjacent stirring frames 43 is a right angle; the mullion of the stirring frame 43 is in contact with the inner wall of the stirring cylinder 3, and the cross section of the contact end is triangular, so that the stirring frame 43 can scrape off the asphalt mixture adhered to the inner wall of the stirring cylinder 3 while the asphalt mixture is stirred in a rotating manner, the time consumed by the subsequent cleaning of the stirring cylinder 3 is saved, and the waste of the asphalt mixture is avoided. The second stirring shaft 44 is vertically fixed between the two lateral frames of the stirring frame 43. The fixed hoops 46 are symmetrically sleeved on the peripheral side wall of the second stirring shaft 44, two groups of fixed hoops 46 are arranged in the length direction of each second stirring shaft 44, the two symmetrically arranged fixed hoops 46 are connected through bolts, and the detachable mode of the bolt connection improves the convenience of maintaining and replacing the stirring rod 45; the stirring rod 45 is integrally connected to a fixed hoop 46 far away from the first stirring shaft 41, and one end of the stirring rod 45 far away from the fixed hoop 46 is obliquely and downwards arranged; the asphalt mixture in the stirring frame 43 is stirred by the inclined stirring rod 45, so that the stirring uniformity of the asphalt mixture is further improved, and the stirring efficiency of the stirring machine is improved.

Referring to fig. 2, the inner wall of the fixing clip 46 is formed with a limiting groove 461, and the length direction of the limiting groove 461 is parallel to the axial direction of the fixing clip 46. A limiting block 441 is integrally connected to the outer peripheral wall of the second stirring shaft 44, and the length direction of the limiting block 441 is consistent with that of the second stirring shaft 44; and the limiting block 441 is matched with the limiting groove 461 in a sliding manner. The setting of spacing groove 461 and stopper 441 is used for spacing for fixed hoop 46, avoids stirring rod 45 to drive fixed hoop 46 when receiving bituminous mixture and the resistance that direction of rotation is opposite rotatory along second (mixing) shaft 44 rotatory to avoid stirring rod 45 self rotatory and influence the effect of stirring material, establish the stability at second (mixing) shaft 44 with this improvement fixed hoop 46 cover.

Referring to fig. 3, a driving assembly 5 is disposed in the cavity 22, and the driving assembly 5 includes a driving motor 51 and a belt 52. The driving motor 51 is fixedly connected inside the cavity 22 and is used for providing operation power for the stirring assembly 4. One end of the belt 52 is sleeved with the driving shaft of the driving motor 51, and the other end is sleeved with the top of the first stirring shaft 41. The driving motor 51 is started, the driving shaft on the driving motor 51 drives the belt 52 to rotate, the belt 52 drives the first stirring shaft 41 to rotate, and the mode of driving the belt 52 is favorable for absorbing shock waves generated when the driving motor 51 operates, so that the stability of the first stirring shaft 41 during rotation is improved, and the noise during stirring is reduced.

Referring to fig. 1, a shock absorbing pad 11 is fixedly connected to the machine body 1, the shock absorbing pad 11 is located at the lower portion of the stirring cylinder 3, and the upper surface of the shock absorbing pad 11 is made of an elastic material and has a shock wave absorbing function. After the asphalt mixture is stirred, the stirring cylinder 3 is rotated to a position where the axis of the stirring cylinder is parallel to the horizontal plane, then the asphalt mixture is manually taken out, and the damping pad 11 is supported on the lower portion of the stirring cylinder 3, so that the stirring cylinder 3 is supported, the shock wave generated when the stirring cylinder 3 is in contact with the damping pad 11 is absorbed, and the stability of the stirring cylinder 3 during material taking is improved.

The implementation principle of the embodiment is as follows: the helical blades 42 are arranged on the peripheral side wall of the first stirring shaft 41 in a surrounding mode, the helical blades 42 are suitable for stirring a mixture with high viscosity, and the helical blades 42 have the function of raising the mixture, so that the mixture is prevented from sinking to the bottom, and the stirring efficiency of the mixer on the mixture is improved; the stirring frame 43 is fixedly connected with the first stirring shaft 41 and rotates along with the first stirring shaft 41, so that the mixture is stirred, the stirring area of the stirring assembly 4 is enlarged due to the arrangement of the stirring frame 43, the stirring dead angle is eliminated, and the stirring efficiency of the mixer on the mixture is improved; the stirring rods 45 in the stirring frame 43 further improve the stirring uniformity of the asphalt mixture.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an asphalt mixture mixer, includes organism (1), is located regulating box (2) on organism (1) upper portion and is located agitator tank (3) of organism (1) one side, its characterized in that: regulating box (2) with be provided with the drive perpendicularly between organism (1) cylinder (21) that elevating movement is done in regulating box (2), the upper portion of agitator tank (3) is provided with stirring subassembly (4), stirring subassembly (4) include that top and regulating box (2) rotate to be connected and extend to outside first (mixing) shaft (41) of regulating box (2), encircle and fix helical blade (42) on first (mixing) shaft (41) week side wall and a plurality of stirring frame (43) of fixing on first (mixing) shaft (41) week side wall, and is adjacent the contained angle of the horizontal frame extension line of stirring frame (43) is the right angle.

2. An asphalt mixture mixing machine according to claim 1, characterized in that: the stirring assembly (4) further comprises a second stirring shaft (44) vertically fixed in the stirring frame (43) and a plurality of stirring rods (45) detachably connected to the second stirring shaft (44) and distributed along the length direction of the second stirring shaft (44), and one end, far away from the second stirring shaft (44), of each stirring rod (45) is obliquely and downwards arranged.

3. An asphalt mixture mixing machine according to claim 2, characterized in that: the symmetrical sleeve is equipped with fixed hoop (46) on second (mixing) shaft (44), pass through bolted connection between fixed hoop (46), the top fixed connection of stirring rod (45) is in keeping away from first (mixing) shaft (41) on the outer wall of fixed hoop (46).

4. An asphalt mixture mixing machine according to claim 3, characterized in that: the inner wall of the fixed hoop (46) is provided with a limiting groove (461), and the peripheral wall of the second stirring shaft (44) is integrally connected with a limiting block (441) which is matched with the limiting groove (461) in a sliding way.

5. An asphalt mixture mixing machine according to claim 1, characterized in that: the vertical frame of the stirring frame (43) is in contact with the inner wall of the stirring cylinder (3), and the longitudinal section of the contact end is triangular.

6. An asphalt mixture mixing machine according to claim 1, characterized in that: cavity (22) have been seted up to the inside of regulating box (2), be provided with drive assembly (5) in cavity (22), drive assembly (5) are established belt (52) of being connected including fixed connection driving motor (51) and the drive shaft cover of one end and driving motor (51) inside cavity (22), the other end of belt (52) with the top cover of first (mixing) shaft (41) is established and is connected.

7. An asphalt mixture mixing machine according to claim 1, characterized in that: and the machine body (1) is fixedly connected with a shock pad (11) positioned at the lower part of the stirring cylinder (3).

8. An asphalt mixture mixing machine according to claim 1, characterized in that: the upper surface of one side of the machine body (1) far away from the stirring cylinder (3) is fixedly connected with a telescopic rod (23) of which the top is fixedly connected with the lower surface of the adjusting box (2).