Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the concrete mixing equipment for bridge construction with high discharging efficiency is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a concrete mixing device with high discharging efficiency for bridge construction comprises a mixing tank, a discharging pipe and a sealing cover, wherein the discharging pipe is arranged at the bottom end of the mixing tank, the sealing cover is arranged at the top of the mixing tank in a covering manner, the sealing cover is perpendicular to the axis of the mixing tank, and the concrete mixing device with high discharging efficiency for bridge construction is further provided with a mixing mechanism and an auxiliary mechanism;
the stirring mechanism comprises a driving assembly, two stirring assemblies and two transmission assemblies, wherein the driving assembly comprises a driving motor, a transmission shaft, a driving disc, a driven disc and a mounting hole, the mounting hole is formed in a sealing cover, the mounting hole and the transmission shaft are coaxially arranged with the stirring barrel, the transmission shaft penetrates through the mounting hole, the transmission shaft is in sliding connection with the inner wall of the mounting hole, the driving motor is in transmission connection with the top end of the transmission shaft, the driving motor is fixedly connected with the top of the sealing cover, the driving disc is installed at the bottom end of the transmission shaft, the driving disc and the driven disc are coaxially arranged with the stirring barrel, the diameter of the driving disc is smaller than the inner diameter of the stirring barrel, the diameter of the driven disc is equal to that of the stirring barrel, the driven disc is located between the driving disc and a discharging disc pipe, and gaps are formed between the driving disc and the, the stirring device comprises a driving disc, a driven disc, a sealing cover, a transmission assembly, a driving disc, a driven disc, a stirring assembly and a stirring assembly, wherein the driving disc is connected with the inner wall of the stirring barrel in a sliding and sealing mode, the sealing cover is provided with vent holes, the vent holes are communicated with the stirring barrel, the transmission assembly is circumferentially and uniformly distributed between the driving disc and the driven disc by taking the axis of the stirring barrel as a center, the driving disc is connected with the driven disc through the transmission assembly, the stirring assemblies correspond to the transmission assembly one;
the transmission assembly comprises a connecting rod, a guide rod, a first sliding block, a spring and two fixed blocks, wherein the axis of the guide rod is perpendicular to and intersected with the axis of the driving disc, two ends of the guide rod are respectively fixed on the driving disc through the two fixed blocks, the first sliding block is sleeved at the middle end of the guide rod, the spring is positioned between the first sliding block and the fixed block close to the axis of the driving disc, the first sliding block is connected with the fixed block close to the axis of the driving disc through the spring, the first sliding block is hinged with the driven disc through the connecting rod, and the distance between one end of the connecting rod close to the first sliding block and the axis of the driving disc is larger than the distance between the other end of the;
the auxiliary mechanism includes dead lever, connecting rod, connecting hole and two spacing subassemblies, the connecting hole sets up at the driven plate, connecting hole, dead lever and connecting rod all with the coaxial setting of agitator, the diameter of connecting rod and the aperture of connecting hole equal and are greater than the diameter of fixed rod, the connecting rod passes the connecting hole, the connecting rod slides and sealing connection with the inner wall of connecting hole, the dead lever is located between connecting rod and the driving-disc, the driving-disc passes through the dead lever to be fixed on the connecting rod, spacing subassembly is in the one side that is close to the driven plate of driving-disc, spacing subassembly sets up between the fixed block of first slider and keeping away from the driving-disc axis.
Preferably, in order to realize the function of stirring concrete, the stirring subassembly includes fixed pipe, telescopic link and elastic thread, fixed pipe is parallel with the agitator, the telescopic link sets up with fixed pipe is coaxial, the top and the sealed and fixed connection of driven plate of fixed pipe, the telescopic link inserts the bottom of fixed pipe, the telescopic link slides and sealing connection with the inner wall of fixed pipe, the elastic thread is located the fixed intraductal, the top of telescopic link is through elastic thread and driven plate fixed connection.
Preferably, for the convenience of telescopic link rotation, the bottom of telescopic link is equipped with ball and recess, the centre of sphere setting of ball is in the recess, ball and recess match and sliding connection, the ball footpath of ball is greater than the notch width of recess, the bottom in ball and the agitator supports and leans on.
Preferably, in order to achieve the limiting effect, the limiting assembly comprises a power motor, a screw rod and a second sliding block, the screw rod is parallel to the guide rod, the power motor is fixed on the driven disc, the power motor is in transmission connection with one end of the screw rod, the second sliding block is sleeved on the screw rod, a thread matched with the screw rod is arranged at the joint of the second sliding block and the screw rod, the second sliding block is sleeved on the guide rod, and a gap is formed between the second sliding block and the first sliding block.
Preferably, the power motor is a servo motor in order to increase the driving force of the power motor.
Preferably, in order to achieve the effects of buffering and vibration reduction, the second slider is made of rubber
Preferably, in order to reduce the frictional force between the guide bar and the first slider, the guide bar is coated with a lubricating oil.
Preferably, in order to prolong the service life of the driving disc, an anti-corrosion zinc coating is arranged on the driving disc.
Preferably, in order to facilitate the installation of the connecting rod, the connecting rod is provided with a chamfer.
Preferably, a filter screen is arranged in the vent hole for dust prevention.
The concrete mixing equipment for bridge construction with high discharging efficiency has the advantages that the mixing function is realized through the mixing mechanism, compared with the existing mixing mechanism, the mixing mechanism can also reduce the air pressure in the mixing barrel, is convenient to eliminate air bubbles in concrete, improves the mixing effect, and improves the discharging efficiency through the auxiliary mechanism.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the concrete mixing equipment with high discharging efficiency for bridge construction comprises a mixing tank 1, a discharging pipe 2 and a sealing cover 3, wherein the discharging pipe 2 is arranged at the bottom end of the mixing tank 1, the sealing cover 3 is covered at the top of the mixing tank 1, the sealing cover 3 is perpendicular to the axis of the mixing tank 1, and the concrete mixing equipment with high discharging efficiency for bridge construction is further provided with a mixing mechanism and an auxiliary mechanism;
open sealed lid 3, put into agitator 1 with the concrete raw materials in the back again with sealed lid 3 lid on agitator 1, here, the effect that sets up rabbling mechanism is realized stirring the concrete raw materials, and the effect that sets up complementary unit promotes row material effect.
As shown in fig. 2-3, the stirring mechanism includes a driving assembly, two stirring assemblies and two transmission assemblies, the driving assembly includes a driving motor 4, a transmission shaft 5, a driving disc 6, a driven disc 7 and a mounting hole, the mounting hole is disposed on the sealing cover 3, the mounting hole and the transmission shaft 5 are disposed coaxially with the stirring barrel 1, the transmission shaft 5 passes through the mounting hole, the transmission shaft 5 is slidably connected with the inner wall of the mounting hole, the driving motor 4 is in transmission connection with the top end of the transmission shaft 5, the driving motor 4 is fixedly connected with the top of the sealing cover 3, the driving disc 6 is disposed at the bottom end of the transmission shaft 5, the driving disc 6 and the driven disc 7 are disposed coaxially with the stirring barrel 1, the diameter of the driving disc 6 is smaller than the inner diameter of the stirring barrel 1, the diameter of the driven disc 7 is equal to the inner diameter of the stirring barrel 1, the driven disc 7 is located between the driving disc, gaps are arranged between the driving disc 6 and the transmission disc and between the driving disc 6 and the bottom in the stirring barrel 1, the driving disc 6 is connected with the inner wall of the stirring barrel 1 in a sliding and sealing mode, vent holes are formed in the sealing cover 3 and are communicated with the stirring barrel 1, the transmission assemblies are circumferentially and uniformly distributed between the driving disc 6 and the driven disc 7 by taking the axis of the stirring barrel 1 as the center, the driving disc 6 is connected with the driven disc 7 through the transmission assemblies, the stirring assemblies correspond to the transmission assemblies one by one, and the stirring assemblies are arranged on one side, far away from the driving disc 6, of the driven disc 7;
the transmission assembly comprises a connecting rod 8, a guide rod 9, a first sliding block 10, a spring 11 and two fixed blocks 12, wherein the axis of the guide rod 9 is perpendicular to and intersected with the axis of the driving disc 6, two ends of the guide rod 9 are respectively fixed on the driving disc 6 through the two fixed blocks 12, the first sliding block 10 is sleeved at the middle end of the guide rod 9, the spring 11 is positioned between the first sliding block 10 and the fixed block 12 close to the axis of the driving disc 6, the first sliding block 10 is connected with the fixed block 12 close to the axis of the driving disc 6 through the spring 11, the first sliding block 10 is hinged with the driven disc 7 through the connecting rod 8, and the distance between one end of the connecting rod 8 close to the first sliding block 10 and the axis of the driving disc 6 is greater than the distance between the other end;
the complementary unit includes dead lever 13, connecting rod 14, connecting hole and two spacing subassemblies, the connecting hole sets up at driven plate 7, connecting hole, dead lever 13 and connecting rod 14 all with the coaxial setting of agitator 1, the diameter of connecting rod 14 equals and is greater than the diameter of dead lever 13 with the aperture of connecting hole, connecting rod 14 passes the connecting hole, connecting rod 14 slides and sealing connection with the inner wall of connecting hole, dead lever 13 is located between connecting rod 14 and driving-disc 6, driving-disc 6 passes through dead lever 13 and fixes on connecting rod 14, spacing subassembly is in one side that is close to driven plate 7 of driving-disc 6, spacing subassembly sets up between first slider 10 and fixed block 12 of keeping away from driving-disc 6 axis.
The stirring device is started by the driving motor 4, the driving disc 6 is driven to rotate by the transmission shaft 5, the guide rod 9 is driven by the rotation of the driving disc 6 to rotate by the rotation of the driving disc 6 through the fixed block 12, the driving disc 6 is driven to rotate by the rotation of the first slider 10 through the connecting rod 8, the concrete raw material is stirred by the rotation of the driving disc 6 through the stirring component, during the stirring process, the first slider 10 moves towards the direction far away from the driving disc 6 under the action of centrifugal force through the movement of the first slider 10, so that the first slider 10 drives the driven disc 7 to move towards the direction close to the driving disc 6 through the connecting rod 8, the air pressure in the stirring barrel 1 is reduced, the volume of air bubbles in the concrete raw material is increased through the reduction of the air pressure, thereby the buoyancy of the air bubbles in the concrete raw material can be increased, the separation of the air pressure and the concrete raw material is facilitated, the stirring, the first slider 10 is moved on the guide rod 9 for a set distance through the limiting component, at the moment, the connecting rod 14 is still inserted into the connecting hole, during the discharging process, the first slider 10 can further move towards the direction far away from the driving disk 6 under the action of centrifugal force through the limiting component, so that the driving disk 6 continues to move towards the direction close to the driven disk 7, the driven disk 7 is positioned between the connecting rod 14 and the driving disk 6, so that air can enter the side, far away from the driving disk 6, of the driven disk 7 in the stirring barrel 1 through a gap between the fixing rod 13 and the connecting hole, subsequently, the driving motor 4 stops running, the rotating speed of the driving disk 6 is gradually reduced, the driven disk 7 can move towards the direction far away from the driving disk 6, during the discharging process, when the connecting rod 14 is inserted into the connecting hole again, the air pressure in the stirring barrel 1 is increased, so that the raw materials in the stirring barrel 1 can, the discharge efficiency is improved.
As shown in fig. 4, the stirring assembly includes a fixed pipe 15, a telescopic rod 16 and an elastic thread 17, the fixed pipe 15 is parallel to the stirring barrel 1, the telescopic rod 16 and the fixed pipe 15 are coaxially arranged, the top end of the fixed pipe 15 is sealed and fixedly connected with the driven disc 7, the telescopic rod is inserted into the bottom end of the fixed pipe 15, the telescopic rod 16 slides and is hermetically connected with the inner wall of the fixed pipe 15, the elastic thread 17 is located in the fixed pipe 15, and the top end of the telescopic rod 16 is fixedly connected with the driven disc 7 through the elastic thread 17.
Rotation of driven plate 7 drives fixed pipe 15 and rotates, the rotation of fixed pipe 15 drives telescopic link 16 and rotates, the rotation through fixed pipe 15 and telescopic link 16 realizes the function of stirring the concrete raw materials, simultaneously, when driven plate 7 is towards being close to the 6 directions of driving-disc and removing, the action of gravity through check lock pole self makes dead lever 13 can't drive telescopic link 16 synchronous motion, and make elastic wire 17 tensile, and simultaneously, can avoid telescopic link 16 and fixed pipe 15 to separate through elastic wire 17.
Preferably, in order to facilitate the rotation of the telescopic rod 16, the bottom end of the telescopic rod 16 is provided with a ball 18 and a groove, the center of the ball 18 is arranged in the groove, the ball 18 is matched with and slidably connected with the groove, the diameter of the ball 18 is larger than the width of the notch of the groove, and the ball 18 abuts against the bottom in the stirring barrel 1.
The effect of gyro wheel is with the slip conversion roll between 16 telescopic links and the agitator 1, has reduced frictional force, and the telescopic link 16 of being convenient for rotates, and simultaneously, ball 18 has still played the function of supporting 16 pivoted telescopic links.
Preferably, in order to realize the limiting effect, the limiting assembly comprises a power motor 19, a screw rod 20 and a second sliding block 21, the screw rod 20 is parallel to the guide rod 9, the power motor 19 is fixed on the driven disc 7, the power motor 19 is in transmission connection with one end of the screw rod 20, the second sliding block 21 is sleeved on the screw rod 20, a thread matched with the screw rod 20 is arranged at the joint of the second sliding block 21 and the screw rod 20, the second sliding block 21 is sleeved on the guide rod 9, and a gap is formed between the second sliding block 21 and the first sliding block 10.
During the stirring, make first slider 10 support with second slider 21 and lean on to realize spacingly, during row material, start through motor power 19, make lead screw 20 rotate to make second slider 21 towards keeping away from first slider 10 reverse movement, and first slider 10 can continue to move towards keeping away from driving-disc 6 axis direction under the effect of centrifugal force, has played spacing effect.
Preferably, the power motor 19 is a servo motor in order to increase the driving force of the power motor 19.
The servo motor has a characteristic of strong overload capability, so that the driving wheel force of the driving motor 4 can be improved.
Preferably, the second slider 21 is made of rubber to achieve the effects of buffering and vibration reduction
The rubber texture is comparatively soft, can reduce the impact force that produces when first slider 10 supports against with second slider 21, has played the effect of buffering and damping.
Preferably, in order to reduce the friction between the guide rod 9 and the first slider 10, the guide rod 9 is coated with a lubricating oil.
The lubricating oil is used for reducing the friction force between the guide rod 9 and the first sliding block 10 and improving the moving fluency of the first sliding block 10.
Preferably, in order to prolong the service life of the driving plate 6, the driving plate 6 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of driving-disc 6, prolongs the life of driving-disc 6.
Preferably, the connecting rod 14 is chamfered to facilitate mounting of the connecting rod 14.
The chamfer serves to reduce the diameter of the connecting rod 14 when it passes through the connecting hole, and has an effect of facilitating installation.
Preferably, a filter screen is arranged in the vent hole for dust prevention.
The filter screen is used for preventing dust from entering the stirring barrel 1 from the vent hole, and the dustproof effect is achieved.
This equipment is during the use, through reducing the atmospheric pressure in the agitator 1, makes the bubble volume increase in the concrete raw materials to can increase the buoyancy of bubble in the concrete raw materials, the atmospheric pressure of being convenient for separates with the concrete raw materials, has promoted stirring effect, simultaneously, when arranging the material, through the atmospheric pressure in the increase agitator 1, makes the raw materials in the agitator 1 receive thrust during row's material from arranging material pipe 2, improves row material efficiency.
Compared with the prior art, this a concrete mixing equipment for efficient is arranged to material for bridge construction has realized the function of stirring through rabbling mechanism, compares with current rabbling mechanism, and this rabbling mechanism can also reduce the atmospheric pressure in the agitator 1, is convenient for eliminate the bubble in the concrete, promotes the stirring effect, moreover, has still improved through complementary unit and has arranged material efficiency, compares with current row material mechanism, should arrange material mechanism and rabbling mechanism and realize the linkage, and the structure is more ingenious.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.