Asphalt concrete aggregate promotes screening plant
Technical Field
The utility model relates to a bituminous concrete production facility field especially relates to a bituminous concrete aggregate promotes screening plant.
Background
The asphalt stirring equipment mainly comprises a batching system, a drying system, a combustion system, a hot material lifting, a vibrating screen, a hot material storage bin, a weighing and stirring system, an asphalt supply system, a powder supply system, a dust removal system, a finished product bin, a control system and the like. After the central control room sends a starting command, cold materials in the cold material bin are conveyed into the drying drum through the belt conveyor, and dried aggregate is conveyed onto the vibrating screen by the hot material elevator for screening. The screened aggregate falls into each hot bin. The aggregates and powder fall into respective weighing hoppers through respective chamber doors, are metered by an electronic scale, are placed into a mixing cylinder, and the weighed hot asphalt is sprayed into the mixing cylinder. The various mixed materials are fully stirred to form finished products. Present chain bucket formula lifting machine is equipped with a plurality of hoppers on being the chain, the hopper promotes along with the chain, then the chain begins to bend with the sprocket contact, the hopper begins to incline, the in-process of hopper slope, its horizontal position is also moving, but dodge the space for the passing through of hopper provides, position and discharging channel when the hopper begins to unload apart from great in the horizontal direction, discharging channel can't accept the hot aggregate that falls when the hopper begins to incline, lead to the unable accuracy of partial hot aggregate to drop in discharging channel department, this partial hot aggregate falls in the bottom of the machine, cause and pile up, influence the use of equipment, the clearance need consume the manpower, time, more serious is, lifting device can't work when clearance accumulational aggregate, influence production efficiency.
The working efficiency of the aggregate screening machine is influenced by the relative movement between the screen and the aggregates on one hand; on the other hand, under the influence of relative movement between aggregates, if coarse aggregates are stacked on the upper screen, the fine aggregates are blocked from passing through. The existing sieving machine causes relative motion between the sieving net and the aggregates and between the aggregates through the vibration of the sieving net, the aggregates on the upper layer are less influenced by the vibration of the sieving net, the relative motion between the aggregates is insufficient, and the aggregates on the upper layer are blocked by the aggregates on the lower layer and are difficult to pass through the sieving net.
Disclosure of Invention
The utility model provides an asphalt concrete aggregate promotes screening plant has solved among the prior art and has carried the hopper of material device and begin the position of unloading and the great problem that leads to the unable discharging channel that falls of partial hot aggregate of discharging channel horizontal distance.
Asphalt concrete aggregate promotes screening plant, which comprises a frame, supporting seat and vibration frame, be equipped with first sprocket and second sprocket in the frame, first sprocket is located the second sprocket top, be equipped with the chain on first sprocket and the second sprocket, be connected with a plurality of hoppers on the chain, be equipped with first linking arm and second linking arm on the hopper, be equipped with the axis of rotation on the chain, first linking arm and second linking arm all rotate with the axis of rotation and are connected, the distance of first linking arm to chain is less than the distance of second linking arm to chain, be equipped with the stopper that is used for promoting first linking arm on the chain, the contained angle between stopper and the line of rotation and first linking arm is greater than 90 degrees; when the chain section of being connected with the hopper rises to first sprocket department, it begins to take place the slope by vertical state, it rotates around the axis of rotation to drive the stopper, the line between stopper and the axis of rotation and the contained angle between the first connecting arm are alpha, when the stopper rotates around the axis of rotation and surpasss alpha, the stopper just can promote first connecting arm to rotate, therefore hot aggregate in the hopper can not just fall when the chain section just begins to incline, and when hot aggregate begins to fall, the hopper has been close discharge channel on the horizontal direction, the horizontal velocity of hot aggregate and the difference in height between hopper and the discharge channel in addition, hot aggregate can fall on discharge channel, avoided hot aggregate to fall in the machine bottom, cause and pile up.
The vibration frame is located the supporting seat top, and supporting seat and vibration frame pass through compression spring to be connected, are equipped with the screen cloth of a plurality of slopes on the vibration frame, and screen cloth parallel arrangement and vertical arrangement are equipped with at least one first baffle above the screen cloth. The utility model discloses during the use, drive arrangement can drive the vibration of vibration frame, throws up the aggregate, and first baffle can block to throw up high higher aggregate, and throws up high lower aggregate and can follow first baffle below and pass through, therefore takes place relative motion between the aggregate, and the fine aggregate that is located the upper strata can pass through the aggregate layer and pass the screen cloth and fall down.
Further, the limiting block is fixedly connected with the chain through a connecting rod, and one end, far away from the chain, of the limiting block is located between the first connecting arm and the second connecting arm. The limiting block can only push the first connecting arm and cannot interfere with the second connecting arm.
The asphalt concrete aggregate lifting and screening device further comprises a closed shell, and a feeding channel and a discharging channel are respectively arranged on two opposite side faces of the shell.
Further, in the horizontal direction, the first chain wheel is positioned between the second chain wheel and the discharging channel.
Further, the hopper includes hopper bottom plate, two perpendicular curb plates and two slope curb plates that set up relatively, and the line between stopper and the axis of rotation and the contained angle between the first linking arm are alpha, and the contained angle between slope curb plate and the hopper bottom plate is greater than alpha, and first linking arm and second linking arm are connected with two slope curb plates respectively. The chain section is changed from a rising state to a falling state, the chain section rotates 180 degrees together, the rotating angle of the hopper is (180 degrees to alpha), when the included angle between the inclined side plate and the bottom plate is equal to alpha, the inclined side plate is horizontal, and when the included angle between the inclined side plate and the bottom plate is larger than alpha, the inclined side plate is inclined, so that the hot aggregate can fall conveniently.
Further, the first baffle plates are arranged at equal intervals.
Furthermore, the vibration frame comprises a vibration bottom plate and two vibration side plates which are arranged oppositely, the vibration bottom plate is fixedly connected with the vibration side plates, two opposite sides of the screen are fixedly connected with the two vibration side plates respectively, and two opposite sides of the first baffle are fixedly connected with the two vibration side plates respectively.
The asphalt concrete aggregate lifting and screening device further comprises at least one second baffle, the two ends of the second baffle are respectively connected with the two vibration side plates in a sliding mode, and the second baffle is parallel to the first baffle.
Furthermore, both sides department that the second baffle is relative all is equipped with two spacing slats, spacing slat and screen cloth perpendicular and with vibration curb plate fixed connection, be equipped with the screw hole of vertical range on the spacing slat, be equipped with on the second baffle with the just right through-hole of screw hole, the second baffle is through passing screw hole and through-hole bolt and spacing slat fixed connection. The second baffle can slide up and down between four limit slats at two ends, changes the distance between the second baffle and the screen, and is fixed with the limit slats through bolts. The second baffle is matched with the first baffle to adjust the height of blocking the aggregate.
According to the technical scheme, the utility model has the advantages of it is following:
when the chain section of being connected with the hopper rises to first sprocket department, it begins to take place the slope by vertical state, it rotates around the axis of rotation to drive the stopper, the line between stopper and the axis of rotation and the contained angle between the first connecting arm are alpha, when the stopper rotates around the axis of rotation and surpasss alpha, the stopper just can promote first connecting arm to rotate, therefore hot aggregate in the hopper can not just fall when the chain section just begins to incline, and when hot aggregate begins to fall, the hopper has been close discharge channel on the horizontal direction, the horizontal velocity of hot aggregate and the difference in height between hopper and the discharge channel in addition, hot aggregate can fall on discharge channel, avoided hot aggregate to fall in the machine bottom, cause and pile up.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the hopper of the present invention.
Fig. 2 is the schematic diagram of the structure of the hopper and the local chain of the present invention.
Fig. 3 is a front view of the hopper and the local chain structure of the present invention.
Fig. 4 is a state diagram of the hopper of the present invention at a high point.
Fig. 5 is a schematic view of the structure of the chain and the housing of the present invention.
Fig. 6 is a schematic view of the connection relationship between the supporting seat and the vibrating frame of the present invention.
Fig. 7 is a schematic structural view of the vibrating frame of the present invention.
Fig. 8 is a sectional view of the vibration frame of the present invention.
1. Supporting seat, 2, vibration frame, 3, first sprocket, 4, second sprocket, 5, chain, 6, hopper, 7, first linking arm, 8, second linking arm, 9, axis of rotation, 10, stopper, 11, compression spring, 12, screen cloth, 13, first baffle, 14, connecting rod, 15, shell, 16, feedstock channel, 17, discharging channel, 18, hopper bottom plate, 19, perpendicular curb plate, 20, slope curb plate, 21, vibration bottom plate, 22, vibration curb plate, 23, second baffle, 24, spacing slat.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Example 1
As shown in fig. 1-8, the asphalt concrete aggregate lifting and screening device comprises a frame, a supporting seat 1 and a vibrating frame 2, wherein a first chain wheel 3 and a second chain wheel 4 are arranged on the frame, the first chain wheel 3 is positioned above the second chain wheel 4, a chain 5 is arranged on the first chain wheel 3 and the second chain wheel 4, a plurality of hoppers 6 are connected onto the chain 5, a first connecting arm 7 and a second connecting arm 8 are arranged on each hopper 6, a rotating shaft 9 is arranged on each chain 5, the first connecting arm 7 and the second connecting arm 8 are both rotatably connected with the rotating shaft 9, the distance from the first connecting arm 7 to the chain 5 is smaller than that from the second connecting arm 8 to the chain 5, a limiting block 10 for pushing the first connecting arm 7 is arranged on the chain 5, and the included angle between the connecting line between the limiting block 10 and the rotating shaft 9 and the first connecting arm 7 is larger; when the chain 5 section connected with the hopper 6 rises to the first chain wheel 3, the chain starts to incline in a vertical state, the limiting block 10 is driven to rotate around the rotating shaft 9, an included angle between a connecting line between the limiting block 10 and the rotating shaft 9 and the first connecting arm 7 is alpha, when the limiting block 10 rotates around the rotating shaft 9 and exceeds alpha, the limiting block 10 can push the first connecting arm 7 to rotate, therefore, hot aggregate in the hopper 6 cannot fall down when the chain 5 section just begins to incline, and when the hot aggregate begins to fall down, the hopper 6 is close to the discharging channel 17 in the horizontal direction, the horizontal speed of the hot aggregate and the height difference between the hopper 6 and the discharging channel 17 are added, the hot aggregate can fall onto the discharging channel 17, and the situation that the hot aggregate falls on the bottom of a machine and is accumulated is avoided.
Vibration frame 2 is located supporting seat 1 top, and supporting seat 1 and vibration frame 2 are connected through compression spring 11, are equipped with the screen cloth 12 of a plurality of slopes on the vibration frame 2, and screen cloth 12 parallel arrangement and vertical arrangement are equipped with at least one first baffle 13 above the screen cloth 12. The utility model discloses during the use, drive arrangement can drive 2 vibrations of vibration frame, throws up the aggregate, and first baffle 13 can block to throw up high higher aggregate, and throws up high lower aggregate and can follow first baffle 13 below and pass through, therefore takes place relative motion between the aggregate, and the fine aggregate that is located the upper strata can fall through aggregate layer and pass through screen cloth 12. The limiting block 10 is fixedly connected with the chain 5 through a connecting rod 14, and one end, far away from the chain 5, of the limiting block 10 is located between the first connecting arm 7 and the second connecting arm 8. The limiting block 10 can only push the first connecting arm 7 and cannot interfere with the second connecting arm 8.
The asphalt concrete aggregate lifting and screening device further comprises a closed shell 15, and two opposite side surfaces of the shell 15 are respectively provided with a feeding channel 16 and a discharging channel 17. In the horizontal direction, the first chain wheel 3 is located between the second chain wheel 4 and the discharge channel 17. Hopper 6 includes hopper bottom plate 18, two perpendicular curb plates 19 and two slope curb plates 20 that set up relatively, and the line between stopper 10 and the axis of rotation 9 and the contained angle between first linking arm 7 are alpha, and the contained angle between slope curb plate 20 and the hopper bottom plate 18 is greater than alpha, and first linking arm 7 and second linking arm 8 are connected with two slope curb plates 20 respectively. The chain 5 is changed from a rising state to a falling state, the chain rotates 180 degrees together, the rotating angle of the hopper 6 is (180 degrees to alpha), when the included angle between the inclined side plate 20 and the bottom plate is equal to alpha, the inclined side plate 20 is horizontal, and when the included angle between the inclined side plate 20 and the bottom plate is larger than alpha, the inclined side plate 20 inclines, so that the hot aggregate can fall conveniently.
The first baffle plates 13 are arranged at equal intervals. The vibrating frame 2 comprises a vibrating bottom plate 21 and two vibrating side plates 22 which are oppositely arranged, the vibrating bottom plate 21 is fixedly connected with the vibrating side plates 22, two opposite sides of the screen 12 are fixedly connected with the two vibrating side plates 22 respectively, and two opposite sides of the first baffle 13 are fixedly connected with the two vibrating side plates 22 respectively.
The asphalt concrete aggregate lifting and screening device further comprises at least one second baffle 23, two ends of the second baffle 23 are respectively connected with the two vibration side plates 22 in a sliding mode, and the second baffle 23 is parallel to the first baffle 13. Two opposite sides of the second baffle 23 are provided with two limit strips 24, the limit strips 24 are perpendicular to the screen 12 and are fixedly connected with the vibration side plate 22, threaded holes in vertical arrangement are formed in the limit strips 24, through holes right opposite to the threaded holes are formed in the second baffle 23, and the second baffle 23 is fixedly connected with the limit strips 24 through bolts penetrating through the threaded holes and the through holes. The second baffle 23 can slide up and down between four limit slats 24 at two ends, changes the distance between the second baffle and the screen 12, and is fixed with the limit slats 24 through bolts. The second baffle 23 is matched with the first baffle 13 to adjust the height of blocking the aggregates.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.