CN117921859A

CN117921859A - Concrete mixing plant

Info

Publication number: CN117921859A
Application number: CN202410278498.1A
Authority: CN
Inventors: 姜贝
Original assignee: Shandong Jiancheng Construction Machinery Co ltd
Current assignee: Shandong Jiancheng Construction Machinery Co ltd
Priority date: 2024-03-12
Filing date: 2024-03-12
Publication date: 2024-04-26

Abstract

The invention relates to the field of building material processing, in particular to a concrete mixing station, which comprises a supporting seat, wherein a mixing bin for containing processed concrete is fixedly arranged in the supporting seat, a mixing region, a storage region and a discharging region are sequentially arranged in the mixing bin from top to bottom, a material yielding groove is formed in the mixing bin and between the mixing region and the storage region and between the storage region and the discharging region, a supporting frame is fixedly arranged at the upper part of the mixing bin, a processing part for stirring the concrete is rotatably arranged in the mixing bin, and a mixing sleeve column and a rotating sleeve column are respectively used for driving blade assemblies on the stirring sleeve column to stir concrete raw materials.

Description

Concrete mixing plant

Technical Field

The invention relates to the field of building material processing, in particular to a concrete mixing plant.

Background

The concrete mixing plant is a combined device for intensively mixing concrete, and is commonly used for large-scale and medium-scale water conservancy projects, power projects, bridges and other projects with large concrete engineering quantity, long construction period and concentrated construction sites. When the concrete stirring station in the prior art stirs concrete, raw materials of the concrete are usually conveyed to the inside of a stirring structure through a material conveying structure, the raw materials of the concrete are stirred and processed through blades which continuously rotate in the stirring structure, and then the stirred concrete is loaded on a conveying device according to the requirement, so that the concrete is conveyed to a construction site.

However, when the existing concrete mixing plant is used for mixing concrete, the edge of the rotating blade is required to continuously push the concrete raw material, so that the edge of the blade is in contact with the sand and stone in the concrete raw material for a long time, the sand and stone continuously impact the blade, the service life of the blade is further reduced, the replacement of the blade by the existing concrete mixing plant is complicated and inconvenient, the processing efficiency of the concrete is reduced, in addition, in order to accelerate the mixing and efficiency of the concrete mixing plant, the existing concrete mixing plant generally adopts a mode of synchronously feeding, mixing and discharging, and the mode is easy to lead new materials and old materials to be discharged onto the conveying equipment under the condition of insufficient mixing and stirring, so that the mixing processing quality of the concrete is reduced.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a concrete mixing plant, includes the supporting seat, and the inside fixed mounting of supporting seat has the stirring storehouse that is used for holding in order to process concrete, and stirring storehouse inside has set gradually stirring district, storage district, unloading district from last to down, and on the stirring storehouse and be located between stirring district and the storage district, all be provided with between storage district and the unloading district and let the silo, the upper portion fixed mounting of stirring storehouse has the support frame, and the inside processing part that stirs concrete that rotates of stirring storehouse is provided with.

The processing part is including rotating the band pulley that sets up in stirring storehouse upper portion central point put, the inside slip from top to bottom of band pulley is provided with drive sleeve, drive sleeve lower part fixed mounting has the stirring sleeve post, the inside rotation of stirring sleeve post is provided with adapter sleeve, adapter sleeve lower part rotation is provided with the rotation sleeve post, stirring sleeve post and rotation sleeve post are located stirring district and storage district respectively inside, the outside of stirring sleeve post and rotation sleeve post all is provided with the blade subassembly that promotes the concrete along its circumference equidistant, the inside rotation of rotation sleeve post is provided with the follow-up post, adapter sleeve's outside and the lower part of follow-up post all are provided with spiral push pedal, the sliding groove has been seted up at the middle part in the adapter sleeve outside, adapter sleeve passes through the spiral push pedal rotation of sliding groove drive upside, follow-up post and the spiral push pedal fixed connection of downside, the lower part of spiral push pedal slides from top to bottom and inlays and is equipped with the separation dish board, the separation dish board is located the lower part of two messenger's groove respectively.

The blade subassembly is including encircling equidistant one-level rotation piece that sets up along stirring cover post and rotation cover post circumference respectively, and one-level rotation piece is kept away from the both ends of stirring storehouse axis position and is all rotated and be provided with the second grade driving medium, and the both ends that the stirring storehouse axis position was kept away from to the second grade driving medium all rotate and be provided with stirring vane.

Further, the upper end and the lower end of the connecting sleeve are respectively provided with a fixed bevel gear in a rotating mode, a fixed rod is fixedly connected inside the two fixed bevel gears in a common mode, the upper portion of the fixed rod is connected with the support frame in a sliding mode up and down, one end, close to the axis of the stirring bin, of the primary rotating piece is fixedly provided with a driving bevel gear, and the driving bevel gear is meshed with the fixed bevel gear at the corresponding position.

Further, the planet carrier is fixedly arranged at the lower end of the fixed bevel gear on the upper side and the upper end and the lower end of the fixed bevel gear on the lower side, the planet carrier is rotationally provided with a planet gear, the upper part and the lower part of the connecting sleeve and the upper part of the follow-up column are fixedly provided with a central gear, the central gear is meshed with the planet gear at the corresponding position, annular gear rings are fixedly arranged at the lower side of the inside of the stirring sleeve column and the upper side and the lower side of the inside of the rotating sleeve column, and the annular gear rings are meshed with the planet gears at the corresponding positions.

Further, the left side upper portion fixed mounting of stirring storehouse has the execution motor, and the output shaft of execution motor links to each other with the band pulley through the belt, and the inside downside in stirring storehouse rotates and is provided with the toper screw plate, and the front side fixed mounting in stirring storehouse has power motor, and power motor's output shaft passes through the belt and links to each other with the toper screw plate.

Further, the one end fixed mounting that the second grade driving medium is close to stirring storehouse axle center position has the upset gear, the stirring cover post all surrounds equidistant fixed mounting with the outside of rotating the cover post along its circumference has incomplete gear, the outside of the one-level rotation piece in corresponding position is established to incomplete gear cover, the number of teeth of incomplete gear is half of upset gear number of teeth, stirring vane is close to the one end of stirring storehouse axle center position and is provided with driven gear through coil spring along its length direction slip, one-level rotation piece is kept away from one side of stirring storehouse axle center position and the outside fixed mounting of the second grade driving medium that is located corresponding position has the half gear, the number of teeth of half gear is half of driven gear number of teeth.

Further, one side of the driven gear, which is close to the stirring blade, is fixedly provided with a locking rod which is inserted into the secondary transmission part at the corresponding position, one side of the primary rotation part, which is far away from the axis of the stirring bin, is fixedly provided with an arc-shaped push plate which is used for pushing the driven gear at the corresponding position towards the direction far away from the axis of the stirring bin, and the arc-shaped push plate is positioned at one side, which is far away from the half gear teeth at the corresponding position.

Further, the front side of the upper part of the stirring bin is fixedly provided with a hydraulic push rod, the upper part of a telescopic section of the hydraulic push rod is fixedly provided with a lifting plate, the lifting plate is connected with the supporting frame in a vertical sliding manner, and the lower side of the lifting plate is rotationally connected with the transmission sleeve.

Further, the outside cover of stirring vane is equipped with the protecting crust, and one side that stirring vane is close to stirring storehouse axle center position is provided with the hasp through centering spring along its thickness direction slip, and stirring vane carries out fixed in position to the protecting crust through the hasp, and stirring storehouse right side just corresponds stirring district and storage district and is the position articulated has the access door.

The invention has the beneficial effects that:

1. according to the invention, the stirring sleeve column and the rotating sleeve column are adopted to respectively drive the blade assemblies on the stirring sleeve column to stir the concrete raw material, and the intermittent rotating secondary transmission piece is used to drive the stirring blades to change positions, so that the stirring blades at the edge positions are replaced, and the rotating stirring blades are used to change edges of the stirring blades at the edge positions, so that the service life of the stirring blades is greatly prolonged.

2. According to the invention, the stirring bin is divided into three areas of the stirring area, the storage area and the discharging area by adopting the blocking disc plate, so that new materials and old materials are not contacted during stirring and discharging, the stirring quality of concrete is ensured, and the blocking disc plate is sequentially lifted from bottom to top to the position of the material groove, so that the concrete sequentially moves downwards in the stirring bin, thereby preventing the concrete which is not stirred from flowing and discharging, and further ensuring the quality of the concrete.

3. According to the invention, the stirring area can be opened by rotating the access door, and the protective shell can be quickly replaced by stirring the lock catch, so that the stirring blade is convenient to maintain, the downtime is reduced, and the processing efficiency of concrete is ensured.

4. According to the invention, the rotating spiral pushing plate is contracted in the blocking disc plate at the corresponding position during stirring, so that the concrete raw material can uniformly rotate at the upper part of the blocking disc plate, the phenomenon of accumulation of the concrete raw material is avoided, when the concrete is required to move downwards, the spiral pushing plate is lifted to extend out of the blocking disc plate, and therefore, the spiral pushing plate can rapidly push the concrete into a trough, and the downward movement speed of the concrete is further accelerated, so that the stirring efficiency is further accelerated.

5. According to the invention, the stirring sleeve column is driven by the execution motor to rotate rapidly, so that the stirring sleeve column drives the blade assembly thereon to stir the new materials in the stirring area rapidly, and meanwhile, the stirring sleeve column drives the rotating sleeve column to rotate slowly through the cooperation of the planetary gear, the sun gear and the annular gear ring in the stirring sleeve column, so that the rotating sleeve column drives the blade assembly thereon to stir the old materials stirred in the storage area slowly, thereby saving energy and production cost.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

FIG. 3 is a cross-sectional view of the mixing chamber of the present invention.

FIG. 4 is a cross-sectional view of the present invention after the blade assembly has been removed from the tooling assembly.

Fig. 5 is a partial enlarged view at a in fig. 4.

Fig. 6 is a schematic view of the structure of the fixed bevel gear and the fixed bar in the present invention.

Fig. 7 is a cross-sectional view of the connection sleeve, spiral pusher plate and barrier disc plate of the present invention.

Fig. 8 is a cross-sectional view of the coupling sleeve, fixed bevel gear, fixed bar and blade assembly of the present invention.

Fig. 9 is a schematic structural view of a stirring sleeve and an incomplete gear in the present invention.

FIG. 10 is a schematic view of a portion of the construction of a vane assembly according to the present invention.

FIG. 11 is a partial schematic view of the present invention with the first stage rotor removed from the blade assembly.

FIG. 12 is a cross-sectional view of a stirring blade, driven gear, secondary drive member and shield according to the present invention.

In the figure: 1. a support base; 2. a stirring bin; 3. machining the component; 21. a stirring zone; 22. a storage area; 23. a blanking area; 24. letting the trough; 25. a support frame; 26. executing a motor; 27. a conical spiral plate; 28. a power motor; 29. a hydraulic push rod; 31. a belt wheel; 32. a drive sleeve; 33. stirring sleeve column; 34. a connection sleeve; 35. rotating the sleeve column; 36. a blade assembly; 37. a follower column; 38. a spiral push plate; 39. a barrier disc plate; 291. a lifting plate; 301. a turnover gear; 302. an incomplete gear; 303. a driven gear; 304. a half gear; 305. a locking lever; 306. an arc push plate; 341. fixing a bevel gear; 342. a fixed rod; 343. a sliding groove; 361. a primary rotating member; 362. a secondary transmission member; 363. stirring blades; 364. a drive bevel gear; 365. a planet carrier; 366. a planetary gear; 367. a sun gear; 368. an annular gear ring; 3631. a protective shell; 3632. an access door; 3633. and (5) locking.

Detailed Description

Embodiments of the present invention are described in detail below. The following examples are illustrative only and are not to be construed as limiting the invention. The examples are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product.

Referring to fig. 1,2 and 3, a concrete mixing station comprises a supporting seat 1, wherein a mixing bin 2 for containing concrete to be processed is fixedly installed in the supporting seat 1, a mixing region 21, a storage region 22 and a discharging region 23 are sequentially arranged in the mixing bin 2 from top to bottom, a material yielding groove 24 is formed in the mixing bin 2 and located between the mixing region 21 and the storage region 22 and between the storage region 22 and the discharging region 23, a supporting frame 25 is fixedly installed at the upper part of the mixing bin 2, and a processing component 3 for stirring the concrete is rotatably arranged in the mixing bin 2; when the concrete raw material needs to be stirred, firstly, the concrete raw material is placed in the stirring bin 2, so that the concrete raw material is firstly stirred in the stirring area 21, then the stirring processing is carried out on the concrete raw material through the processing part 3, then the stirred concrete raw material in the stirring area 21 flows from the material letting groove 24 on the upper side to the inside of the material storing area 22, then a new batch of concrete raw material is added into the stirring area 21, then the stirring processing is carried out on the concrete raw material in the stirring area 21 through the processing part 3 again, meanwhile, the processing part 3 carries out slow stirring on the concrete in the material storing area 22, the solidification phenomenon of the concrete in the material storing area 22 is prevented, then the concrete in the material storing area 22 flows to the inside of the material discharging area 23 through the material letting groove 24 on the lower side, then the concrete in the stirring area 21 flows to the inside of the material storing area 22 again, and finally the new concrete raw material is filled in the stirring area 21, so that the stirring processing is continuously carried out on the concrete raw material.

Referring to fig. 2, 3,4,5, 6, 7 and 8, the processing part 3 comprises a belt wheel 31 rotatably arranged at the central position of the upper part of the stirring bin 2, an execution motor 26 is fixedly arranged at the upper left part of the stirring bin 2, an output shaft of the execution motor 26 is connected with the belt wheel 31 through a belt, a transmission sleeve 32 is arranged in the belt wheel 31 in a sliding manner up and down, a stirring sleeve 33 is fixedly arranged at the lower part of the transmission sleeve 32, a connecting sleeve 34 is rotatably arranged in the stirring sleeve 33, a rotating sleeve 35 is rotatably arranged at the lower part of the connecting sleeve 34, the stirring sleeve 33 and the rotating sleeve 35 are respectively positioned in the stirring zone 21 and the storage zone 22, blade assemblies 36 for pushing concrete are arranged at the outer sides of the stirring sleeve 33 and the rotating sleeve 35 at equal intervals along the circumferential direction of the stirring sleeve, a follow-up post 37 is rotatably arranged in the rotating manner, a spiral push plate 38 is arranged at the outer side of the connecting sleeve 34 and the lower part of the follow-up post 37, the connecting sleeve 34 is in sliding connection with the spiral push plate 38 at the corresponding position up post 38 up and is synchronously rotated up, the upper and lower spiral push plate 38 is fixedly connected with the lower spiral push plate 38 at the corresponding position, and two baffle plates 39 are respectively arranged at the lower baffle discs 39 are respectively positioned at the lower parts of the baffle plate 39; in the initial state, the blocking disc plates 39 are respectively located at the lower parts of the two letting tanks 24, so that after the concrete raw materials are filled in the stirring bin 2, the concrete raw materials are respectively blocked in the stirring area 21 and the storage area 22 by the two blocking disc plates 39, at the moment, the spiral pushing plate 38 is in a state of contracting in the blocking disc plates 39 at the corresponding positions, then the execution motor 26 is started to drive the belt pulley 31 to rotate, the belt pulley 31 drives the stirring sleeve column 33 to synchronously rotate through the transmission sleeve 32, and the stirring sleeve column 33 drives the blade assemblies 36 on the stirring sleeve column 33 to stir the concrete raw materials in the stirring area 21.

Referring to fig. 8, 9, 10, 11 and 12, the blade assembly 36 includes a primary rotating member 361 that is disposed at equal intervals along the circumferential direction of the stirring sleeve 33 and the rotating sleeve 35, the upper and lower ends of the connecting sleeve 34 are both rotatably provided with fixed bevel gears 341, the inside of the two fixed bevel gears 341 are fixedly connected with a fixed rod 342 together, the upper part of the fixed rod 342 is slidably connected with the supporting frame 25 up and down, one end of the primary rotating member 361, which is close to the axis position of the stirring bin 2, is fixedly provided with a driving bevel gear 364, the driving bevel gear 364 is meshed with the fixed bevel gear 341 in the corresponding position, both ends of the primary rotating member 361, which are far away from the axis position of the stirring bin 2, are both rotatably provided with a secondary driving member 362, and both ends of the secondary driving member 362, which are far away from the axis position of the stirring bin 2, are both rotatably provided with stirring blades 363; when the blade assembly 36 is used for stirring concrete, the rotating stirring sleeve 33 drives the primary rotating member 361 to synchronously rotate, so that the primary rotating member 361 drives the driving bevel gear 364 on the primary rotating member 361 to rotate around the fixed bevel gear 341 at a corresponding position, and meanwhile, the fixed bevel gear 341 drives the primary rotating member 361 to rotate through meshing with the driving bevel gear 364, so that the primary rotating member 361 drives the stirring blades 363 to rotate around the rotating shaft of the primary rotating member 361 through the secondary transmission member 362 around the fixed bevel gear 341, and the stirring blades 363 stir the concrete while pushing the concrete.

With continued reference to fig. 8, 9, 10, 11 and 12, a turnover gear 301 is fixedly mounted at one end of the secondary transmission member 362 near the axial position of the stirring bin 2, incomplete gears 302 are fixedly mounted on the outer sides of the stirring sleeve 33 and the rotating sleeve 35 at equal intervals along the circumferential direction of the stirring sleeve 33, the number of teeth of the incomplete gears 302 is half of the number of teeth of the turnover gear 301, one end of the stirring blade 363 near the axial position of the stirring bin 2 is slidably provided with a driven gear 303 along the length direction by a coil spring, a half gear 304 is fixedly mounted on the outer side of the secondary transmission member 362 at the corresponding position, which is far from one side of the axial position of the stirring bin 2, of the primary rotation member 361, and the number of teeth of the half gear 304 is half of the number of teeth of the driven gear 303; when the primary rotating member 361 rotates, the primary rotating member 361 drives the turning gear 301 to rotate to be meshed with the incomplete gear 302 at the corresponding position through the secondary transmitting member 362, so that the incomplete gear 302 drives the secondary transmitting member 362 to rotate 180 degrees through the turning gear 301, and accordingly the secondary transmitting member 362 drives two stirring blades 363 on the secondary transmitting member 362 to synchronously rotate, positions of the two stirring blades 363 on the secondary transmitting member 362 are mutually exchanged, and when the secondary transmitting member 362 rotates, the secondary transmitting member 362 drives the driven gear 303 on the secondary transmitting member 362 to be meshed with the half gear 304 at the corresponding position through the stirring blades 363 which are far away from the primary rotating member 361, so that the half gear 304 drives the stirring blades 363 which are far away from the primary rotating member 361 to rotate 180 degrees, and when the stirring blades 363 which are far away from the primary rotating member 361 rotate to the position which is close to the primary rotating member 361, the stirring blades 363 are kept away from the primary rotating member 361, and when the stirring blades 363 are kept away from the primary rotating member 361 again, the primary rotating member 363 can be fully moved to the position which is far from the primary rotating member 361, and the stirring blades 363 can be fully kept away from the primary rotating member 361.

Referring to fig. 8, 10, 11 and 12, a locking rod 305 for being inserted into a secondary transmission member 362 at a corresponding position is fixedly installed on one side of a driven gear 303 close to a stirring blade 363, an arc push plate 306 for pushing the driven gear 303 at the corresponding position in a direction away from the axis of the stirring bin 2 is fixedly installed on one side of a primary rotation member 361 away from the axis of the stirring bin 2, and the arc push plate 306 is positioned on one side of a tooth of a half gear 304 at the corresponding position; when the stirring vane 363 originally positioned at the position close to the primary rotating member 361 rotates to the position far away from the primary rotating member 361, the stirring vane 363 drives the driven gear 303 on the stirring vane 363 to move to be in contact with the arc push plate 306, so that the arc push plate 306 pushes the stirring vane 363 at the corresponding position reversely far away from the axis of the stirring bin 2, the driven gear 303 drives the locking rod 305 on the driven gear to be inserted into the secondary transmission member 362, the driven gear 303 and the secondary transmission member 362 are further fixed together, the stirring vane 363 is prevented from rotating accidentally, and when the stirring vane 363 originally positioned at the position close to the primary rotating member 361 rotates to the position far away from the primary rotating member 361, the edge originally positioned at the position far away from the primary rotating member 361 on the stirring vane 363 moves to the position close to the primary rotating member 361.

Referring to fig. 2, 4, 5, 6 and 7, a planet carrier 365 is fixedly installed at the lower end of the upper fixed bevel gear 341 and at the upper and lower ends of the lower fixed bevel gear 341, a planet gear 366 is rotatably provided on the planet carrier 365, a sun gear 367 is fixedly installed at the upper and lower parts of the connecting sleeve 34 and the upper part of the follower column 37, the sun gear 367 is meshed with the planet gear 366 at the corresponding position, an annular gear 368 is fixedly installed at the inner lower side of the stirring sleeve column 33 and at the upper and lower sides of the inner part of the rotating sleeve column 35, and the annular gear 368 is meshed with the planet gear 366 at the corresponding position; when the stirring sleeve 33 rotates rapidly, the stirring sleeve 33 drives the annular gear ring 368 inside the stirring sleeve 33 to rotate synchronously, the annular gear ring 368 drives the central gear 367 at the corresponding position to rotate reversely at a low speed through the planetary gears 366, so that the central gear 367 drives the connecting sleeve 34 to rotate synchronously, the connecting sleeve 34 drives the rotating sleeve 35 to rotate slowly through the central gear 367 at the lower part of the connecting sleeve, and the rotating sleeve 35 agitates the concrete inside the storage area 22 at a low speed through the blade assembly 36 on the rotating sleeve 35, so that the concrete is prevented from solidifying, energy is saved, and production cost is reduced.

Referring to fig. 2,3, 4,5, 6 and 7, a sliding groove 343 is formed in the middle of the outer side of the connecting sleeve 34, the connecting sleeve 34 drives a spiral pushing plate 38 on the upper side to rotate through the sliding groove 343, a hydraulic push rod 29 is fixedly arranged on the front side of the upper part of the stirring bin 2, a lifting plate 291 is fixedly arranged on the upper part of a telescopic section of the hydraulic push rod 29, the lifting plate 291 is in sliding connection with the supporting frame 25 up and down, the lower side of the lifting plate 291 is in rotary connection with the transmission sleeve 32, a conical spiral plate 27 is rotatably arranged on the lower side of the inside of the stirring bin 2, a power motor 28 is fixedly arranged on the front side of the stirring bin 2, and an output shaft of the power motor 28 is connected with the conical spiral plate 27 through a belt; when the concrete in the storage area 22 needs to be discharged, the telescopic section extending out of the hydraulic push rod 29 drives the lifting plate 291 to move upwards, the lifting plate 291 drives the stirring sleeve 33 to synchronously upwards through the transmission sleeve 32, the stirring sleeve 33 drives the rotating sleeve 35 to synchronously upwards through the connection sleeve 34, the rotating sleeve 35 drives the lower spiral push plate 38 to move upwards through the follow-up column 37, the lower spiral push plate 38 moves upwards to the inner part extending out of the lower separation disc plate 39, then the lower spiral push plate 38 drives the lower separation disc plate 39 to move upwards to the corresponding position of the lower trough 24, at the moment, the connection sleeve 34 slides in the upper spiral push plate 38 through the sliding groove 343, the upper spiral push plate 38 is fixed, then the rotating sleeve 35 drives the lower spiral push plate 38 to synchronously rotate with the separation disc plate 39 through the follow-up column 37, so that the lower spiral pushing plate 38 pushes the concrete in the storage area 22 to the interior of the blanking area 23 from the lower material letting groove 24, then the power motor 28 is started to drive the conical spiral plate 27 to rotate, the conical spiral plate 27 rapidly discharges the concrete in the blanking area 23 to the outside of the stirring bin 2, thereby completing blanking, after the stirring of the concrete in the stirring area 21 is completed, the expansion section which continues to extend out of the hydraulic pushing rod 29 drives the connecting sleeve 34 to continue to move upwards, so that the connecting sleeve 34 drives the upper spiral pushing plate 38 to move upwards to the interior of the upper material letting groove 39 through the sliding groove 343 thereon, then the upper spiral pushing plate 38 drives the upper material letting groove 39 to move upwards to the corresponding position of the upper material letting groove 24, and simultaneously the connecting sleeve 34 drives the lower material letting groove 39 to move upwards to the upper portion of the lower material letting groove 24, the spiral pushing plate 38 rotating at the upper side pushes the concrete in the stirring area 21 to the inside of the storage area 22, and the blocking disc plate 39 at the lower side is positioned at the upper part of the material receiving groove 24 at the lower side, so that the concrete just entering the inside of the storage area 22 can be prevented from directly flowing to the inside of the discharging area 23, and then the telescopic section of the hydraulic push rod 29 is contracted to drive all the blocking disc plates 39 to return to the initial position, so that the concrete raw material is conveniently added into the inside of the stirring area 21 again.

Referring to fig. 2,3, 8, 10, 11 and 12, a protecting shell 3631 is sleeved on the outer side of a stirring blade 363, a lock catch 3633 is slidably arranged on one side of the stirring blade 363, which is close to the axis position of the stirring bin 2, in the thickness direction of the stirring blade 363, the stirring blade 363 is used for fixing the protecting shell 3631 through the lock catch 3633, and an access door 3632 is hinged to the right side of the stirring bin 2 and corresponding to the stirring region 21 and the storage region 22; when it is necessary to service the stirring vane 363, the access door 3632 is opened, the catches 3633 are pulled toward each other, and then the protective housing 3631 is slid to be removed from the stirring vane 363, and then the protective housing 3631 is replaced with a new one.

The invention also comprises the following steps when the concrete is stirred: in the first step, firstly, the concrete raw material is placed in the stirring bin 2, the execution motor 26 is started to drive the stirring sleeve 33 to synchronously rotate, and the stirring sleeve 33 drives the blade assembly 36 thereon to stir the concrete raw material in the stirring area 21.

In the second step, the rotating stirring sleeve 33 drives the primary rotating member 361 to rotate synchronously, so that the stirring blades 363 push the concrete and stir the concrete, and simultaneously, the stirring blades 363 can rotate to a position far away from the primary rotating member 361 through the cooperation of the turning gear 301 and the incomplete gear 302 at the corresponding position and the cooperation of the driven gear 303 and the half gear 304 at the corresponding position, so that the service life of the stirring blades 363 is prolonged.

And thirdly, the stirring sleeve column 33 drives the rotating sleeve column 35 to rotate at a low speed, and the rotating sleeve column 35 agitates the concrete in the storage area 22 at a low speed through the blade assembly 36 on the rotating sleeve column, so that the concrete is prevented from being solidified, the energy is saved, and the production cost is reduced.

Fourth, the telescopic section extending out of the hydraulic push rod 29 drives the lower spiral push plate 38 to move upwards, so that the rotating lower spiral push plate 38 pushes the concrete in the storage area 22 to the interior of the discharging area 23, and then the power motor 28 is started to drive the conical spiral plate 27 to rotate so as to rapidly discharge the concrete in the discharging area 23 to the outside of the stirring bin 2, thereby completing discharging.

And fifthly, the telescopic section extending out of the hydraulic push rod 29 drives the upper spiral push plate 38 to move upwards, so that the upper spiral push plate 38 rotates to push the concrete in the stirring area 21 to the inside of the storage area 22, and then the telescopic section contracting the hydraulic push rod 29 drives all the baffle disc plates 39 to return to the initial position, so that the concrete raw material is conveniently added to the inside of the stirring area 21 again.

While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention, which is also intended to be covered by the present invention.

Claims

1. The utility model provides a concrete mixing plant, including supporting seat (1), supporting seat (1) inside fixed mounting has stirring storehouse (2) that are used for holding in order to process concrete, a serial communication port, stirring storehouse (2) inside has set gradually stirring district (21) from top to bottom, storage district (22), unloading district (23), on stirring storehouse (2) and be located stirring district (21) and between storage district (22), all be provided with between storage district (22) and unloading district (23) and let silo (24), the upper portion fixed mounting of stirring storehouse (2) has support frame (25), stirring storehouse (2) inside rotates and is provided with processing part (3) that stir the concrete;

The processing part (3) comprises a belt wheel (31) which is rotationally arranged at the central position of the upper part of the stirring bin (2), a transmission sleeve (32) is arranged in the belt wheel (31) in a sliding manner up and down, a stirring sleeve column (33) is fixedly arranged at the lower part of the transmission sleeve (32), a connecting sleeve (34) is rotationally arranged at the inner part of the stirring sleeve column (33), a rotating sleeve column (35) is rotationally arranged at the lower part of the connecting sleeve (34), the stirring sleeve column (33) and the rotating sleeve column (35) are respectively positioned in a stirring area (21) and a storage area (22), blade assemblies (36) which push concrete at equal intervals are circumferentially and circumferentially arranged at the outer sides of the stirring sleeve column (33) and the rotating sleeve column (35), a follow-up column (37) is rotationally arranged in the rotating sleeve column (35), a spiral push plate (38) is respectively arranged at the outer sides of the connecting sleeve (34) and the lower parts of the follow-up column (37), a sliding groove (343) is formed in the outer side of the connecting sleeve (34), the connecting sleeve (34) drives the spiral push plate (38) at the upper side to rotate along with the spiral push plate (38) through the sliding groove (343), a blocking plate (39) is fixedly arranged at the lower spiral push plate (38), the separation disc plates (39) are respectively positioned at the lower parts of the two letting tanks (24);

the blade assembly (36) comprises primary rotating members (361) which are arranged at equal intervals along the circumferential direction of the stirring sleeve column (33) and the rotating sleeve column (35), two ends of the primary rotating members (361) away from the axis position of the stirring bin (2) are respectively provided with secondary transmission members (362) in a rotating mode, and two ends of the secondary transmission members (362) away from the axis position of the stirring bin (2) are respectively provided with stirring blades (363) in a rotating mode.

2. A concrete mixing plant according to claim 1, wherein the upper and lower ends of the connecting sleeve (34) are rotatably provided with fixed bevel gears (341), fixed rods (342) are fixedly connected inside the two fixed bevel gears (341), the upper parts of the fixed rods (342) are connected with the supporting frame (25) in a vertical sliding manner, one end of the primary rotating member (361) close to the axis of the mixing bin (2) is fixedly provided with a driving bevel gear (364), and the driving bevel gear (364) is meshed with the fixed bevel gear (341) at the corresponding position.

3. A concrete mixing plant according to claim 2, characterized in that the lower end of the upper fixed bevel gear (341) and the upper and lower ends of the lower fixed bevel gear (341) are fixedly provided with a planet carrier (365), the planet carrier (365) is rotatably provided with a planet gear (366), the upper and lower parts of the connecting sleeve (34) and the upper part of the follower column (37) are fixedly provided with a sun gear (367), the sun gear (367) is meshed with the planet gear (366) at the corresponding position, the lower side of the inside of the mixing sleeve column (33) and the upper and lower sides of the inside of the rotating sleeve column (35) are fixedly provided with annular gear rings (368), and the annular gear rings (368) are meshed with the planet gears (366) at the corresponding position.

4. A concrete mixing plant according to claim 1, characterized in that the upper left side of the mixing bin (2) is fixedly provided with an execution motor (26), the output shaft of the execution motor (26) is connected with a belt wheel (31) through a belt, the lower side of the inside of the mixing bin (2) is rotatably provided with a conical spiral plate (27), the front side of the mixing bin (2) is fixedly provided with a power motor (28), and the output shaft of the power motor (28) is connected with the conical spiral plate (27) through the belt.

5. The concrete mixing plant according to claim 1, wherein a turnover gear (301) is fixedly mounted at one end of the secondary transmission member (362) close to the axial position of the mixing bin (2), incomplete gears (302) are fixedly mounted on the outer sides of the stirring sleeve column (33) and the rotating sleeve column (35) at equal intervals along the circumferential direction of the stirring sleeve column, the incomplete gears (302) are sleeved on the outer sides of the primary rotation members (361) at corresponding positions, the number of teeth of the incomplete gears (302) is half of that of the turnover gear (301), driven gears (303) are slidably arranged at one end of the stirring blades (363) close to the axial position of the mixing bin (2) along the length direction of the stirring blade through a coil spring, a half gear (304) is fixedly mounted on the outer sides of the secondary transmission member (362) which is far away from the axial position of the mixing bin (2), and the number of teeth of the half gear (303) is half of the number of teeth of the driven gears (303).

6. A concrete mixing plant according to claim 5, wherein a locking rod (305) for being inserted into the secondary transmission member (362) at a corresponding position is fixedly installed on one side of the driven gear (303) close to the mixing blade (363), an arc-shaped pushing plate (306) for pushing the driven gear (303) at a corresponding position in a direction away from the axis of the mixing bin (2) is fixedly installed on one side of the primary rotation member (361) away from the axis of the mixing bin (2), and the arc-shaped pushing plate (306) is located on one side of the tooth of the half gear (304) at a position away from the corresponding position.

7. A concrete mixing plant according to claim 1, characterized in that the front side of the upper part of the mixing bin (2) is fixedly provided with a hydraulic push rod (29), the upper part of the telescopic section of the hydraulic push rod (29) is fixedly provided with a lifting plate (291), the lifting plate (291) is connected with the supporting frame (25) in a vertical sliding manner, and the lower side of the lifting plate (291) is connected with the transmission sleeve (32) in a rotating manner.

8. A concrete mixing plant according to claim 1, characterized in that the outer side of the mixing blade (363) is sleeved with a protective shell (3631), one side of the mixing blade (363) close to the axis position of the mixing bin (2) is slidably provided with a lock catch (3633) along the thickness direction thereof through a centering spring, the mixing blade (363) is fixedly positioned on the protective shell (3631) through the lock catch (3633), and the right side of the mixing bin (2) is hinged with an access door (3632) corresponding to the mixing zone (21) and the storage zone (22) in position.