CN210085293U - Adopt quick centrifugal device of quick-witted system sand preparation out concrete material - Google Patents

Abstract

The utility model discloses a multispeed centrifugal device for preparing concrete by using machine-made sand, belonging to the field of machine-made sand, which comprises an operation table and a centrifugal machine arranged on the top of the operation table, wherein the centrifugal machine is arranged on the left side of the top of the operation table, the bottom of the centrifugal machine is connected with a centrifugal shaft, the bottom of the centrifugal shaft is fixed with a centrifugal wheel, the outer side of the centrifugal wheel is wound with a belt, the right side of the top of the operation table is provided with a motor, the bottom of the motor is connected with a motor shaft, the bottom of the motor shaft is fixedly provided with a speed adjusting disc, a guide rod can slide in a guide groove to achieve the purpose of guiding an adjusting plate, so that the problem of large looseness in the lifting process is avoided, and the adjustment of the multispeed centrifugal device for preparing concrete by using machine-made sand is more convenient, and the belt is always in a tensioning state, so that the centrifugal process is more stable.

Description

Adopt quick centrifugal device of quick-witted system sand preparation out concrete material

Technical Field

The utility model relates to a mechanism sand field, more specifically say, relate to an adopt quick-speed centrifugal device of mechanism sand preparation concrete.

Background

In the engineering construction process, the sandstone is used as an important component of a concrete structure material, the quality of the sandstone has a great influence on the quality and durability of the whole engineering, an economic and feasible scheme is selected on the premise of meeting the performance index of the sand, the construction quality requirement is met, and the production cost is effectively controlled, so that in areas lacking natural sand resources, the concrete construction production is feasible by using a counter-impact type high-efficiency fine crusher or an impact type crusher to manufacture high-quality machine-made sand, the comprehensive benefit is also remarkable, and meanwhile, in the use of the machine-made sand, research tests and accumulated experiences in the discipline of building materials can be carried out, and the foundation stone is laid for the development of the discipline.

Mechanism grit production line is abandonment tailing, the first-selected equipment of system sand is recycled to the resource, receive the high concern of tailing processing trade, the tailing is handled not difficult, it has advanced equipment and policy guide to be important, but the rotational speed regulation of the device of concrete is comparatively inconvenient to current adoption mechanism sand preparation of adoption mechanism, the use is safe inadequately, and the problem of belt idle running appears very easily, consequently, need design out the multispeed centrifugal device that adopts mechanism sand preparation concrete to solve above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an adopt quick centrifugal device of quick-witted system sand preparation concrete possesses the rotational speed and adjusts convenience and comparatively safe advantage, and the rotational speed of having solved current device of adopting quick-witted system sand preparation concrete is adjusted comparatively inconveniently, and the use is safe inadequately, appears the problem of belt idle running moreover very easily.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A multi-speed centrifugal device for preparing concrete by using machine-made sand comprises an operation table and a centrifugal machine arranged on the top of the operation table, wherein the centrifugal machine is arranged on the left side of the top of the operation table, the bottom of the centrifugal machine is connected with a centrifugal shaft, a centrifugal wheel is fixed at the bottom of the centrifugal shaft, a belt is wound on the outer side of the centrifugal wheel, a motor is arranged on the right side of the top of the operation table, the bottom of the motor is connected with a motor shaft, a speed regulation disc is fixedly arranged at the bottom of the motor shaft, a strip-shaped rotating rod groove is formed in the middle of the operation table and positioned between the centrifugal machine and the motor along the vertical direction, a hydraulic telescopic rod is fixedly arranged on one side of the back of the strip-shaped rotating rod groove, a square tube is fixedly arranged at one end of the front of the hydraulic telescopic, the bottom of the rotating rod is connected with a threaded rod, a tensioning support is arranged at the bottom of the operating platform and below the bar-shaped rotating rod groove, sliding grooves are formed in the middle of the tensioning support and on two sides of the bar-shaped rotating rod groove, a sliding block is connected to the bottom of the sliding grooves in a sliding mode, one to three guide rods are fixedly arranged at the bottom of the sliding block, a second limiting plate is fixed at the bottom of the tensioning support and below the plurality of guide rods, an adjusting plate is arranged at the top of the adjusting plate, the threaded rod is connected to the inside of the threaded groove in a threaded mode, a plurality of guide grooves are formed in the top of the adjusting plate and on two sides of the threaded groove, a second limiting block is fixedly arranged on the inner top wall of each guide groove, the second limiting plate is located below the second limiting block, and a tensioning wheel is rotatably connected to, the centrifugal wheel, the tensioning wheel and the speed regulation disc are connected through a belt, when the centrifugal wheel, the tensioning wheel and the speed regulation disc are used, firstly, the motor is controlled to work, the motor can drive the motor shaft to rotate while rotating, the speed regulation disc at the bottom can be driven to rotate while rotating, the belt can drive the centrifugal wheel to rotate while rotating, the centrifugal wheel can drive the centrifugal machine to rotate through the centrifugal shaft while rotating, the concrete material in the centrifugal machine can be centrifugally treated while rotating, if the current centrifugal speed is lower, the rotating rod can be rotated, the threaded rod at the bottom can be rotated while rotating, the threaded rod can be lifted in the threaded groove when rotating, until the height of the adjusting plate is lifted to a certain position, the belt near the tensioning wheel can be upwards deformed after the adjusting plate is lifted, so that the belt entering the speed regulation disc can upwards incline, the belt slowly enters a higher belt pulley, the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt enters a higher belt pulley, the linear velocity difference between the speed regulation disc and the centrifugal wheel is reduced, so that the aim of increasing the rotating speed of the centrifugal wheel is achieved, the rotating speed of the centrifugal wheel is increased to drive the rotating speed in the centrifugal machine to be increased, if the current centrifugal speed is higher, the rotating rod can be rotated, the rotating rod can rotate and simultaneously rotate the threaded rod at the bottom, the threaded rod can be reduced in the threaded groove when rotating until the height of the adjusting plate is reduced to a certain position, after the adjusting plate is reduced, the belt near the tension wheel is deformed downwards, so that the belt entering the speed regulation disc is inclined downwards, and the belt slowly enters a lower belt pulley, and the diameter of the belt pulley is reduced from top to bottom in sequence, when a belt enters a lower belt pulley, the linear velocity difference between the speed regulation disc and the centrifugal wheel is increased, so that the purpose of reducing the rotating speed of the centrifugal wheel is achieved, the rotating speed reduction of the centrifugal wheel drives the rotating speed reduction in the centrifuge, when the belt is switched on the belt pulley, the belt is loosened or over-tightened, at the moment, the extension or the shortening of the hydraulic telescopic rod can be controlled, when the hydraulic telescopic rod is extended or shortened, the square tube and the rotating rod in the square tube can generate certain displacement along the horizontal direction, the rotating rod can drive the tensioning wheel to compress the belt while horizontally displacing, so that the belt is always kept in a tensioned state, the purpose of ensuring the rotating speed stability of the centrifuge is achieved, in the lifting process of the adjusting plate, the guide rod can slide in the guide groove, the purpose of guiding the adjusting plate is achieved, and the problem of large looseness in the lifting process is avoided, this kind of adoption mechanism sand preparation goes out how fast centrifugal device of concrete material's regulation is comparatively convenient, and the belt is in the tensioning state all the time moreover, enables centrifugal process more stable.

Preferably, the speed adjusting disc comprises at least two belt pulleys, the diameters of the belt pulleys are sequentially reduced from top to bottom, and the rotating speed of the centrifuge is more convenient to adjust due to the fact that the rotating speed of the motor is unchanged and the linear speed of the belt pulley at a higher position is higher.

Preferably, the both sides of bar bull stick inslot wall all are fixed with two first stoppers, threaded rod middle part just is located fixed mounting between four first stoppers has first limiting plate, and four first stoppers can carry on spacingly to first limiting plate, and the not hard up influence to the belt rotation process that causes of avoiding the threaded rod that can be fine for centrifuge's rotation is more stable.

Preferably, the operation panel bottom just is located the outside fixed mounting of belt and has the belt safety cover, and the belt safety cover can rotate the process to the motor and protect, and this kind of the multirate centrifugal device who adopts mechanism sand to prepare out concrete that can be fine reduces that can not have the potential safety hazard that protective measure and cause.

Preferably, the belt is around locating the outside of centrifugation wheel and speed adjusting plate, the take-up pulley is located the outside of belt, and the take-up pulley is installed in the outside of belt, and when the belt switches, the belt can produce certain not hard up, can compress tightly the belt through the take-up pulley this moment for centrifuge's rotation is more stable, can be fine avoid the belt idle running, makes this kind of how fast centrifugal device that adopts the machine-made sand to prepare out concrete material use safe more high-efficient.

Preferably, the top fixed mounting of dwang has the carousel, can adjust the dwang through rotating the carousel for this kind of adoption mechanism sand prepares out the speed regulation of the how fast centrifugal device of concrete material is more convenient.

Preferably, take-up pulley top and bottom all are equipped with the rim plate, the thickness outside-in crescent of rim plate because the thickness outside-in crescent of rim plate for the belt can be more convenient break away from the take-up pulley, and the rim plate of this kind of take-up pulley can play the effect of plectrum, and it is inside to enable near other belt pulleys of the better entering of belt ability.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) firstly, the motor is controlled to work, the motor can drive the motor shaft to rotate when rotating, the motor shaft can drive the speed regulation disc at the bottom to rotate when rotating, the speed regulation disc can drive the belt at the outer side to rotate when rotating, the belt can drive the centrifugal wheel to rotate when rotating, the centrifugal wheel can drive the centrifugal machine to rotate through the centrifugal shaft when rotating, the centrifugal machine can carry out centrifugal treatment on the concrete at the inner part when rotating, if the current centrifugal speed is lower, the rotating rod can be rotated, the threaded rod at the bottom can be rotated when rotating, the threaded rod can be lifted in the threaded groove when rotating until the height of the adjusting plate is lifted to a certain position, the belt near the tension wheel can be deformed upwards after the adjusting plate is lifted, so that the belt entering the speed regulation disc can be inclined upwards, and the belt can slowly enter the inside of a higher belt pulley, because the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt enters a higher belt pulley, the linear velocity difference between the speed regulating disc and the centrifugal wheel is reduced, thereby achieving the purpose of improving the rotating speed of the centrifugal wheel, the rotating speed of the centrifugal wheel is improved to drive the rotating speed in the centrifugal machine to be improved, if the current centrifugal speed is higher, the rotating rod can be rotated, the threaded rod at the bottom can be rotated while the rotating rod is rotated, the threaded rod can be reduced in the threaded groove when rotated until the height of the adjusting plate is reduced to a certain position, when the adjusting plate is reduced, the belt near the tension wheel can be deformed downwards, so that the belt entering the speed regulating disc can incline downwards, and the belt can slowly enter a lower belt pulley, because the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt enters a lower belt pulley, the linear velocity difference between the speed, thereby achieving the purpose of reducing the rotating speed of the centrifugal wheel, the reduction of the rotating speed of the centrifugal wheel can drive the reduction of the rotating speed in the centrifugal machine, when the belt is switched on the belt pulley, the loosening or over-tightening of the belt can be caused, at the moment, the extension or the shortening of the hydraulic telescopic rod can be controlled, when the hydraulic telescopic rod is extended or shortened, a certain displacement can be generated along the horizontal direction by the square tube and the internal rotating rod, the horizontal displacement of the rotating rod can drive the tensioning wheel to compress the belt, so that the belt is always kept in a tensioned state, thereby achieving the purpose of ensuring the rotating speed of the centrifugal machine to be stable, in the lifting process of the adjusting plate, the guide rod can slide in the guide groove, thereby achieving the purpose of guiding the adjusting plate, and avoiding the problem of large loosening in the lifting process, the multi-speed centrifugal device for preparing the concrete material by adopting the machine-made, the centrifugal process can be more stable.

(2) The speed regulation dish includes two at least belt pulleys, just the diameter top-down of belt pulley reduces in proper order, because the rotational speed of motor is unchangeable, and the linear velocity of the belt pulley of higher department in position is higher for centrifuge's rotational speed is adjusted more conveniently.

(3) The both sides of bar bull stick inslot wall all are fixed with two first stoppers, threaded rod middle part just is located fixed mounting between four first stoppers has first limiting plate, and four first stoppers can carry on spacingly to first limiting plate, and the threaded rod that avoids that can be fine is not hard up to cause the influence to the belt rotation process for centrifuge's rotation is more stable.

(4) The utility model discloses a quick-witted system sand preparation concrete is quick-witted, operation panel bottom and the outside fixed mounting that is located the belt has the belt safety cover, and the belt safety cover can rotate the process to the motor and protect, and this kind of the multispeed centrifugal device who adopts mechanism sand to prepare out concrete that can be fine reduces the potential safety hazard that no protective measure caused.

(5) The belt is around the outside of locating centrifugal wheel and speed governing dish, the take-up pulley is located the outside of belt, and the take-up pulley is installed in the outside of belt, and when the belt switches, the belt can produce certain not hard up, can compress tightly the belt through the take-up pulley this moment for centrifuge's rotation is more stable, and the idle rotation of avoiding the belt that can be fine makes this kind of adoption machine-made sand prepare out the how fast centrifugal device of concrete material use safe high-efficient more.

(6) The top fixed mounting of dwang has the carousel, can adjust the dwang through rotating the carousel for this kind of how fast centrifugal device that adopts mechanism sand to prepare out concrete material's speed regulation is more convenient.

(7) The tensioning wheel top and the bottom all are equipped with the rim plate, the thickness outside-in crescent of rim plate because the thickness outside-in crescent of rim plate for the belt can be more convenient break away from the tensioning wheel, and the rim plate of this kind of tensioning wheel can play the effect of plectrum, and it is inside to enable near other belt pulleys of getting into that the belt can be better.

Drawings

Fig. 1 is a schematic view of the overall structure of the multi-speed centrifugal device for preparing concrete by using machine-made sand;

FIG. 2 is a schematic view of the belt connection structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the overall structure of the utility model at A in FIG. 1;

FIG. 4 is a schematic view of the belt protection cover mounting structure of the present invention;

FIG. 5 is a schematic view of the top surface of the operation table of the present invention;

fig. 6 is a schematic side view of the tensioner of fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a centrifuge; 2. an operation table; 3. rotating the rod; 4. a strip-shaped rotating rod groove; 5. a motor; 6. a motor shaft; 7. a speed regulation disc; 8. a centrifugal shaft; 9. a belt; 10. a tension wheel; 11. a centrifugal wheel; 12. tensioning the bracket; 13. a chute; 14. a slider; 15. an adjusting plate; 16. a first stopper; 17. a first limit plate; 18. a guide bar; 19. a guide groove; 20. a threaded rod; 21. a second limiting block; 22. a second limiting plate; 23. a thread groove; 24. a belt guard; 25. a hydraulic telescopic rod; 26. a square tube; 27. a wheel disc.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, a multi-speed centrifugal device for preparing a concrete material by using machine-made sand comprises an operation table 2 and a centrifuge 1 arranged on the top of the operation table 2, wherein the centrifuge 1 is arranged on the left side of the top of the operation table 2, the bottom of the centrifuge 1 is connected with a centrifugal shaft 8, the bottom of the centrifugal shaft 8 is fixed with a centrifugal wheel 11, the outer side of the centrifugal wheel 11 is wound with a belt 9, the right side of the top of the operation table 2 is provided with a motor 5, the bottom of the motor 5 is connected with a motor shaft 6, the bottom of the motor shaft 6 is fixedly provided with a speed adjusting disc 7, a bar-shaped rotating rod groove 4 is arranged in the middle of the operation table 2 and positioned between the centrifuge 1 and the motor 5 along the vertical direction, one side of the back of the bar-shaped rotating rod groove 4 is fixedly provided with a hydraulic telescopic rod 25, one end of the front of the hydraulic telescopic rod 25, the bottom of the rotating rod 3 is connected with a threaded rod 20, the bottom of the operating platform 2 is provided with a tensioning support 12 below the bar-shaped rotating rod groove 4, the middle part of the tensioning support 12 and two sides of the bar-shaped rotating rod groove 4 are both provided with sliding grooves 13, the bottom of the sliding grooves 13 is connected with a sliding block 14 in a sliding manner, the bottom of the sliding block 14 is fixedly provided with one to three guide rods 18, the bottom of each guide rod 18 is fixed with a second limiting plate 22, the bottom of the tensioning support 12 and below the plurality of guide rods 18 are provided with an adjusting plate 15, the top of the adjusting plate 15 is provided with a threaded groove 23, the threaded rod 20 is in threaded connection with the inside of the threaded groove 23, the top of the adjusting plate 15 and two sides of the threaded groove 23 are both provided with a plurality of guide grooves 19, the inner top wall of each guide groove 19 is fixedly provided with a second limiting block 21, the centrifugal wheel 11, the tension wheel 10 and the speed regulation disk 7 are connected through the belt 9, when in use, firstly, the motor 5 is controlled to work, the motor 5 can drive the motor shaft 6 to rotate while rotating, the motor shaft 6 can drive the speed regulation disk 7 at the bottom to rotate while rotating, the speed regulation disk 7 can drive the belt 9 at the outer side to rotate while rotating, the belt 9 can drive the centrifugal wheel 11 to rotate while rotating, the centrifugal wheel 11 can drive the centrifugal machine 1 to rotate through the centrifugal shaft 8 while rotating, the centrifugal machine 1 can lead the concrete material in the centrifugal machine to carry out centrifugal treatment while rotating, if the current centrifugal speed is lower, the rotating rod 3 can be rotated, the threaded rod 20 at the bottom can be rotated while rotating the threaded rod 3, the threaded rod 20 can be lifted in the threaded groove 23 until the height of the adjusting plate 15 is lifted to a certain position, the belt 9 near the tension wheel 10 can be deformed upwards after the adjusting plate 15 is lifted, the belt entering the speed regulation disc 7 can incline upwards, the belt 9 can slowly enter a higher belt pulley, the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt 9 enters a higher belt pulley, the linear velocity difference between the speed regulation disc 7 and the centrifugal wheel 11 can be reduced, so that the purpose of increasing the rotating speed of the centrifugal wheel 11 is achieved, the rotating speed of the centrifugal wheel 11 can be increased, the rotating speed of the centrifugal wheel 1 can be increased, if the current centrifugal speed is higher, the rotating rod 3 can be rotated, the threaded rod 20 at the bottom can be rotated while the rotating rod 3 is rotated, the threaded rod 20 can be reduced in the threaded groove 23 when rotated until the height of the adjusting plate 15 is reduced to a certain position, after the adjusting plate 15 is reduced, the belt 9 near the tensioning wheel 10 can deform downwards, so that the belt entering the speed regulation disc 7 can incline downwards, and the belt 9 slowly enters a lower belt pulley, because the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt 9 enters a lower belt pulley, the linear velocity difference between the speed regulating disc 7 and the centrifugal wheel 11 is increased, thereby achieving the purpose of reducing the rotating speed of the centrifugal wheel 11, the rotating speed reduction of the centrifugal wheel 11 drives the rotating speed reduction inside the centrifuge 1, when the belt 9 is switched on the belt pulley, the belt may be loosened or over-tightened, at this time, the extension or shortening of the hydraulic telescopic rod 25 can be controlled, when the hydraulic telescopic rod 25 is extended or shortened, the square tube 26 and the internal rotating rod 3 will generate a certain displacement along the horizontal direction, the rotating rod 3 will drive the tension wheel 10 to compress the belt 9 while horizontally displacing, so that the belt 9 always keeps a tensioned state, thereby achieving the purpose of ensuring the stable rotating speed of the centrifuge 1, in the lifting process of the adjusting plate 15, the guide rod 18 can slide in the guide groove 19 to achieve the purpose of guiding the adjusting plate 15 and avoid the problem of large looseness in the lifting process, the multi-speed centrifugal device for preparing concrete by adopting machine-made sand is convenient to adjust, the belt 9 is always in a tensioning state, the centrifugal process is more stable, and the motor 5 can be Y225M-2 in model.

Further, the speed adjusting disk 7 comprises at least two belt pulleys, the diameters of the belt pulleys are sequentially reduced from top to bottom, and the rotating speed of the motor 5 is unchanged, so that the linear speed of the belt pulley at a higher position is higher, and the rotating speed of the centrifuge 1 is more convenient to adjust.

Further, the both sides of 4 inner walls in bar-shaped rotating rod groove all are fixed with two first stopper 16, threaded rod 20 middle part and be located fixed mounting have first limiting plate 17 between four first stopper 16, and four first stopper 16 can carry on spacingly to first limiting plate 17, and the not hard up influence that causes belt 9 rotation process of avoiding threaded rod 20 that can be fine for centrifuge 1's rotation is more stable.

Further, 2 bottoms of operation panel and the outside fixed mounting that is located belt 9 have belt safety cover 24, and belt safety cover 24 can rotate the process to motor 5 and protect, and this kind of the multirate centrifugal device that adopts mechanism sand to prepare out concrete that can be fine reduction does not have the potential safety hazard that protective measure and cause.

Further, belt 9 is around locating the outside of centrifugal wheel 11 and speed adjusting disk 7, take-up pulley 10 is located the outside of belt 9, take-up pulley 10 installs in the outside of belt 9, when belt 9 switches, belt 9 may produce certain not hard up, can compress tightly the belt through take-up pulley 10 this moment, make centrifuge 1's rotation more stable, can be fine avoid belt 9 idle running, make this kind of adoption mechanism sand preparation go out the multispeed centrifugal device use of concrete material safe high-efficient more.

Further, the top fixed mounting of dwang 3 has the carousel, can adjust dwang 3 through rotating the carousel for this kind adopts quick-speed centrifugal device's of mechanism sand preparation out concrete speed adjustment is more convenient.

Further, tensioning wheel 10 top and bottom all are equipped with rim plate 27, and the thickness outside-in of rim plate 27 crescent because the thickness outside-in of rim plate 27 crescent for belt 9 can be more convenient break away from tensioning wheel 10, and rim plate 27 of this kind of tensioning wheel 10 can play the effect of plectrum, and inside other belt pulleys near the entering that enables belt 9 can be better.

The working principle is as follows: when the centrifugal type centrifugal centrifuge is used, firstly, the motor 5 is controlled to work, the motor shaft 6 is driven to rotate when the motor 5 rotates, the speed regulating disc 7 at the bottom is driven to rotate when the motor shaft 6 rotates, the belt 9 at the outer side is driven to rotate when the speed regulating disc 7 rotates, the centrifugal wheel 11 is driven to rotate when the belt 9 rotates, the centrifugal wheel 11 drives the centrifuge 1 to rotate through the centrifugal shaft 8 when rotating, the concrete material in the centrifuge 1 can be centrifuged when the centrifuge 1 rotates, if the current centrifugal speed is low, the rotating rod 3 can be rotated, the threaded rod 20 at the bottom can be rotated when the rotating rod 3 rotates, the threaded rod 20 can rise in the threaded groove 23 when rotating until the height of the adjusting plate 15 rises to a certain position, the belt 9 near the tension wheel 10 can deform upwards after the adjusting plate 15 rises, and the belt entering the speed regulating disc 7 can incline upwards, and the belt 9 slowly enters a higher belt pulley, because the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt 9 enters a higher belt pulley, the linear velocity difference between the speed regulating disc 7 and the centrifugal wheel 11 is reduced, thereby achieving the purpose of increasing the rotating speed of the centrifugal wheel 11, the rotating speed of the centrifugal wheel 11 is increased to drive the rotating speed of the interior of the centrifuge 1 to be increased, if the current centrifugal speed is higher, the rotating rod 3 can be rotated, the threaded rod 20 at the bottom can be rotated while the rotating rod 3 is rotated, the threaded rod 20 can be reduced in the threaded groove 23 until the height of the adjusting plate 15 is reduced to a certain position, when the adjusting plate 15 is reduced, the belt 9 near the tension wheel 10 is deformed downwards, so that the belt entering the speed regulating disc 7 is inclined downwards, and the belt 9 slowly enters a lower belt pulley, because the diameter of the belt pulley is reduced from top to bottom in sequence, when the belt 9 enters a lower belt pulley, the linear velocity difference between the speed regulation disc 7 and the centrifugal wheel 11 is increased, thereby achieving the purpose of reducing the rotating speed of the centrifugal wheel 11, the rotating speed reduction of the centrifugal wheel 11 can drive the rotating speed reduction inside the centrifuge 1, when the belt 9 is switched on the belt pulley, the belt may be loosened or over-tightened, at this time, the extension or shortening of the hydraulic telescopic rod 25 can be controlled, when the hydraulic telescopic rod 25 is extended or shortened, the square tube 26 and the rotating rod 3 inside can generate a certain displacement along the horizontal direction, the rotating rod 3 can drive the tensioning wheel 10 to tightly press the belt 9 while horizontally displacing, so that the belt 9 always keeps a tensioned state, thereby achieving the purpose of ensuring the stable rotating speed of the centrifuge 1, in the lifting process of the adjusting plate 15, the guide rod 18 can slide inside the guide, the purpose of guiding the adjusting plate 15 is achieved, the problem of large looseness in the lifting process is avoided, the multi-speed centrifugal device for preparing the concrete by using the machine-made sand is convenient to adjust, the belt 9 is always in a tensioning state, the centrifugal process is more stable, the rotating speed of the centrifugal machine 1 is more convenient to adjust due to the fact that the rotating speed of the motor 5 is unchanged, the linear speed of the belt pulley at a higher position is higher, the four first limiting blocks 16 can limit the first limiting plates 17, the influence of looseness of the threaded rod 20 on the rotating process of the belt 9 can be well avoided, the rotation of the centrifugal machine 1 is more stable, the belt protective cover 24 can protect the rotating process of the motor 5, the potential safety hazard caused by the fact that the multi-speed centrifugal device for preparing the concrete by using the machine-made sand is free of protective measures can be well reduced, and the tensioning wheel 10 is installed on the outer side of the belt 9, when belt 9 switches, belt 9 may produce certain not hard up, can compress tightly the belt through take-up pulley 10 this moment, make centrifuge 1's rotation more stable, can be fine avoid belt 9 idle running, make this kind of how fast centrifugal device use of adopting machine-made sand to prepare out concrete material safer high-efficient, can adjust dwang 3 through rotating the carousel, make this kind of how fast centrifugal device's that adopts machine-made sand to prepare out concrete material speed adjustment more convenient.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (7)

1. The utility model provides an adopt quick centrifugal device of quick-witted system sand preparation out concrete, includes operation panel (2) and sets up in centrifuge (1) at operation panel (2) top, its characterized in that: the centrifugal machine (1) is arranged on the left side of the top of the operating platform (2), the bottom of the centrifugal machine (1) is connected with a centrifugal shaft (8), the bottom of the centrifugal shaft (8) is fixed with a centrifugal wheel (11), the outer side of the centrifugal wheel (11) is wound with a belt (9), the right side of the top of the operating platform (2) is provided with a motor (5), the bottom of the motor (5) is connected with a motor shaft (6), the bottom of the motor shaft (6) is fixedly provided with a speed regulation disc (7), the middle of the operating platform (2) is positioned between the centrifugal machine (1) and the motor (5) and is provided with a bar-shaped rotating rod groove (4) along the vertical direction, one side of the back of the bar-shaped rotating rod groove (4) is fixedly provided with a hydraulic telescopic rod (25), the front end of the hydraulic telescopic rod (25) is fixedly provided with a square pipe (26, the bottom of dwang (3) is connected with threaded rod (20), the below that operation panel (2) bottom just is located bar dwang groove (4) is provided with tensioning support (12), spout (13) have all been seted up at tensioning support (12) middle part just is located the both sides of bar dwang groove (4), the bottom sliding connection of spout (13) has slider (14), the bottom fixed mounting of slider (14) has one to three guide bar (18), the bottom mounting of guide bar (18) has second limiting plate (22), tensioning support (12) bottom just is located the below of a plurality of guide bar (18) and is provided with regulating plate (15), thread groove (23) have been seted up at the top of regulating plate (15), threaded rod (20) threaded connection is inside thread groove (23), a plurality of guide groove (19) have all been seted up at regulating plate (15) top and the both sides that are located thread groove (23), the inner top wall of the guide groove (19) is fixedly provided with a second limiting block (21), the second limiting plate (22) is located below the second limiting block (21), the bottom of the adjusting plate (15) is rotatably connected with a tensioning wheel (10), and the centrifugal wheel (11), the tensioning wheel (10) and the speed adjusting disc (7) are connected through a belt (9).

2. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the speed regulation disc (7) comprises at least two belt pulleys, and the diameters of the belt pulleys are reduced from top to bottom in sequence.

3. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the both sides of bar bull stick groove (4) inner wall all are fixed with two first stopper (16), threaded rod (20) middle part just is located fixed mounting between four first stopper (16) has first limiting plate (17).

4. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the bottom of the operating platform (2) is fixedly provided with a belt protective cover (24) at the outer side of the belt (9).

5. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the belt (9) is wound on the outer sides of the centrifugal wheel (11) and the speed regulation disc (7), and the tensioning wheel (10) is located on the outer side of the belt (9).

6. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the top fixed mounting of dwang (3) has the carousel.

7. A multi-speed centrifugal apparatus for preparing a concrete charge using machine-made sand, as claimed in claim 1, wherein: the top and the bottom of the tensioning wheel (10) are both provided with wheel discs (27), and the thickness of the wheel discs (27) is gradually increased from outside to inside.

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