CN115138108B - Rake frame with buffer function for thickener - Google Patents
Rake frame with buffer function for thickener Download PDFInfo
- Publication number
- CN115138108B CN115138108B CN202210933248.8A CN202210933248A CN115138108B CN 115138108 B CN115138108 B CN 115138108B CN 202210933248 A CN202210933248 A CN 202210933248A CN 115138108 B CN115138108 B CN 115138108B
- Authority
- CN
- China
- Prior art keywords
- plate
- thickener
- wall
- fixedly connected
- rotary connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a rake frame with a buffer function for a thickener, which belongs to the field of the rake frame of the thickener, and comprises a thickener, a bearing and a power trolley, wherein a strip-shaped plate is fixedly connected between the bearing and the power trolley, the bottom end surface of the strip-shaped plate is fixedly connected with a truss, the bottom end of the truss is provided with a scraper assembly, and a difference height adjusting assembly is arranged between the scraper assembly and the strip-shaped plate; the scraper assembly comprises an inclined fixing plate and a plurality of inner wall scrapers, wherein the inner wall scrapers are arranged on one side of the inclined fixing plate along the length direction and gradually increase from top to bottom with the distance between the inner wall scrapers and the end face of the bottom of the concentration tank, the inclined fixing plate is fixedly connected with the bottom end of the truss, a plurality of trapezoid lifting grooves are formed in one side of the inclined fixing plate along the length direction, and trapezoid lifting blocks are movably connected inside the trapezoid lifting grooves. According to the invention, on the premise of increasing the distance between the bottom harrow frame and the bottom end surface of the concentration tank in the early stage, the subsequent lowering of the harrow frame is convenient for deep cleaning.
Description
Technical Field
The invention relates to a thickener harrow frame, in particular to a thickener harrow frame with a buffering function.
Background
The rake concentrator is a common concentrating and dewatering device for concentrating ore concentrate and dewatering tailings. The gravity sedimentation type suspended solid particle separator has the function of separating suspended solid particles from liquid, and the rake type thickener is divided into a central transmission type thickener and a peripheral transmission type thickener according to different transmission modes, wherein one end of a truss is supported on a central column by means of a bearing, the other end of the truss is supported on a ring pool track of a concentration pool by means of a power trolley, and the power trolley can rotate along the edge track of the concentration pool and drive the truss and a scraping plate on the truss to rotate.
The concentrating tank is generally conical, because solid particles continuously settle at the bottom of the concentrating tank, concentrated products at the bottom of the concentrating tank are continuously accumulated, compared with concentrated products at other positions, the concentrated products at the bottom are thicker, the traditional harrow frame is the same with the distance between the bottom of the concentrating tank and the end face of the concentrating tank, when the harrow frame rotates, the harrow frame is more impacted by the harrow frame close to the bottom of the concentrating tank and the concentrated products, the harrow frame is easy to damage, if the distance between the bottom harrow frame and the bottom end face of the concentrating tank is increased, the concentrated products at the bottom of the concentrating tank cannot be scraped later, even if the harrow frame is wholly lowered later, the harrow frame at the top of the concentrating tank is difficult to continuously descend because the harrow frame at the top of the concentrating tank is collided on the inner side face of the concentrating tank in the descending process, and the condition that the distance between the bottom harrow frame and the bottom end face of the concentrating tank is increased in the earlier stage is convenient for the subsequent reduction of the harrow frame to carry out deep cleaning. Therefore, a person skilled in the art provides a rake frame for a thickener with a buffering function, so as to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide a harrow frame for a thickener with a buffer function, which can facilitate the subsequent lowering of the harrow frame for deep cleaning on the premise of increasing the distance between the bottom harrow frame and the bottom end surface of a thickener in the earlier stage so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a rake frame for thickener with buffer function, includes concentrated pond, bearing and power dolly, fixedly connected with strip shaped plate between bearing and the power dolly, and strip shaped plate bottom end face fixedly connected with truss, the truss bottom is equipped with the scraper blade subassembly, and is equipped with difference altitude mixture control subassembly between scraper blade subassembly and the strip shaped plate; the scraper blade subassembly includes inclined fixing plate and a plurality of inner wall scraper blade, a plurality of the inner wall scraper blade all sets up along length direction in inclined fixing plate one side and with concentrated pool bottom end's interval from last to increasing gradually down, and inclined fixing plate and truss bottom fixed connection, a plurality of trapezoidal lift groove has been seted up along length direction to inclined fixing plate side, and the inside swing joint of trapezoidal lift groove has trapezoidal lifter, a plurality of trapezoidal lifter and inner wall scraper blade one-to-one, and is equipped with rotary connection mechanism between trapezoidal lifter and the corresponding inner wall scraper blade, a plurality of trapezoidal lifter is connected with differential altitude mixture control subassembly, and the height of differential altitude mixture control subassembly adjustable trapezoidal lifter in trapezoidal lift groove.
As a further scheme of the invention: the rotary connection mechanism specifically comprises: the two pairs of oppositely overlapped first rotary connecting plates and second rotary connecting plates, the first rotary connecting plates are connected with the inner wall scraping plates, the second rotary connecting plates are detachably connected with the trapezoid lifting blocks through fasteners, a rotating shaft penetrates through the first rotary connecting plates and the second rotary connecting plates, two elastic pieces are arranged outside the rotating shaft, and a limiting piece is arranged between each pair of the first rotary connecting plates and the second rotary connecting plates.
As still further aspects of the invention: the fastener specifically comprises: the first fastening plate and the second fastening plate are overlapped up and down, the first fastening plate is fixedly connected with the second rotary connecting plate, a circular clamping groove is formed after the first fastening plate and the second fastening plate are overlapped, a clamping column is fixedly connected to the position, corresponding to the second rotary connecting plate, of one side face of the trapezoid lifting block, and the first fastening plate and the second fastening plate are fastened and fixed through bolts after the clamping column is clamped in the clamping groove.
As still further aspects of the invention: the elastic piece specifically comprises: the two torsion springs are sleeved outside the rotating shaft in parallel, one ends of the two torsion springs are connected with concave rods together, the other ends of the two torsion springs are fixedly connected with fixing seats, the fixing seats are fixedly connected with the first fastening plate, and the concave rods on the two elastic pieces are respectively propped against two sides of one side surface of the inner wall scraping plate.
As still further aspects of the invention: the position of one side surface of the inner wall scraping plate corresponding to the concave rod is fixedly connected with a semicircular sleeve ring, and the concave rod penetrates through the semicircular sleeve ring.
As still further aspects of the invention: the limiting piece specifically includes: the limiting bolt is fixed on the first rotary connecting plate, and one end of the limiting bolt penetrates through the arc-shaped notch formed in the top end face of the second rotary connecting plate and can move in the arc-shaped notch.
As still further aspects of the invention: one end threaded connection that the spacing bolt runs through the arc notch has the elasticity nut, and is equipped with the gasket between elasticity nut and the arc notch.
As still further aspects of the invention: the differential height adjustment assembly specifically comprises: the transmission shaft is characterized in that the transmission shaft is in one-to-one correspondence with a plurality of trapezoidal lifting blocks, a threaded hole is formed in the top end face of each trapezoidal lifting block, threads are formed in the bottom of the outer side face of each transmission shaft, the threads are connected inside the threaded holes, the top end of each transmission shaft is fixedly connected with a chain wheel, each chain wheel is rotationally connected with a strip-shaped plate, two adjacent chain wheels are connected through transmission chains, the diameter of each chain wheel is gradually reduced from a power trolley to a bearing, a motor is fixedly connected with the top end face of the strip-shaped plate above the corresponding chain wheel, and the output end of the bottom of each motor penetrates through the corresponding strip-shaped plate and is fixedly connected with the corresponding middle chain wheel.
As still further aspects of the invention: the side corner position of inner wall scraper blade has seted up the washing hole, and the cross-sectional diameter of washing hole is from keeping away from the side of inclined fixing plate towards being close to the side of inclined fixing plate and reduce gradually.
As still further aspects of the invention: the middle position of one side surface of the inner wall scraping plate, which is close to the inclined fixing plate, is fixedly connected with a plurality of parallel guide plates.
Compared with the prior art, the invention has the beneficial effects that:
1. this application sets up a plurality of inner wall scraper blade in inclined fixed plate one side along length direction to make the interval of inner wall scraper blade and concentrated bottom of the pool terminal surface from last to increasing down gradually, this can reduce the impact that bottom harrow frame and inner wall scraper blade received in earlier stage, play good cushioning effect, and when the later stage carries out the degree of depth clearance, the decline distance that each trapezoidal lifter can be adjusted through the difference altitude mixture control subassembly that sets up, the distance that the trapezoidal lifter that is close to the bottom descends is bigger more, the decline mode of this kind of difference can guarantee that the inner wall scraper blade that is close to the top can not collide the inner wall of concentrated pool top, can guarantee the inner wall that is close to the better below of inner wall scraper blade of below again, the convenience is followed and is fallen the harrow frame and is carried out the degree of depth clearance.
2. Through the swivelling joint mechanism who sets up, when the inner wall scraper blade promotes the concentrated product on the concentrated pond inner wall, the resistance from concentrated product can promote the inner wall scraper blade and take place certain rotation, and the rotation in-process, first swivelling joint board takes place relative rotation with the second swivelling joint board around the pivot, and the clearance between two adjacent inner wall scraper blades increases, accelerates concentrated product from the clearance inflow when reducing with concentrated product front impact surface.
3. Through the fastener that sets up, because each inner wall scraper blade on the scraper blade subassembly mutually independent, consequently, the fastener that accessible set up is unloaded fast when certain inner wall scraper blade appears damaging and is replaced newly and is gone up, specifically: the first fastening plate and the second fastening plate are separated by the screw bolts, so that the clamping columns are separated from the clamping columns, a new inner wall scraping plate is taken to be installed together with the rotary connecting mechanism, in addition, the space between two adjacent inner wall scraping plates can be quickly adjusted as required by a user in the early-stage assembly of the thickener through the connection mode of the clamping columns and the clamping grooves, and the gap between the two inner wall scraping plates can be conveniently enlarged.
4. Through the elastic component that sets up, when the inner wall scraper blade takes place certain rotation, the concave pole is inwards pressed with it to inner wall scraper blade pivoted that one side supports, torsion spring deformation produces elastic potential energy and can further cushion the impact force that receives, and after concentrated product is shoveled out the bin outlet of follow concentration pond bottom and discharged, because the reduction inner wall scraper blade pivoted resistance of concentrated product reduces, the elastic potential energy release that torsion spring accumulated can push back the inner wall scraper blade this time, the clearance between two adjacent inner wall scraper blades this time reduces, and inner wall scraper blade and concentrated product frontal impact area increase, the concentrated product of clearance that can be better.
5. Through the semicircle lantern ring that sets up, connection inner wall scraper blade that can be better and concave type pole for the inner wall scraper blade can drive the concave type pole deformation of both sides no matter how rotate, thereby makes torsion spring produce sufficient elastic potential energy.
6. Through the locating part that sets up, can restrict the rotation scope of inner wall scraper blade, avoid the too big influence cleaning effect of inner wall scraper blade turned angle, wherein, when the inner wall scraper blade rotated, stop bolt follows the rotation at the arc notch, and the arc notch has restricted stop bolt's movable range, and then has restricted the rotation scope of inner wall scraper blade.
7. Through the elasticity nut and the gasket that set up, if urgent clearance all concentrated product, can not consider the buffering to the inner wall scraper blade and carry out overload operation, specifically, directly dead with the position fixing of stop bolt in the arc notch through tightening elasticity nut and gasket, and then artificially fix the clearance between two adjacent inner wall scrapers, do not receive the influence of follow-up concentrated product resistance and change, this kind of mode is nevertheless can clear up concentrated product fast.
8. Through the flushing hole that sets up, concentrated product on the concentrated pond inner wall is along with the rotation of harrow frame constantly reduces, under the circumstances that water in concentrated pond is constantly clarified, clear water can be with flushing hole punching, the clear water that later passes through the flushing hole is because the cross-sectional diameter of flushing hole diminishes gradually, become the torrent at last and dash out from the flushing hole other end, the torrent that punches out can wash inner wall scraper blade rear, it is to be noted that, the flushing hole can be plugged up in earlier concentrated product more circumstances under, but along with the water is constantly clarified, the clear water can be with slowly punching out of jam department.
9. Through the guide plate that sets up, in the use, concentrated product flows in from the clearance of two adjacent inner wall scrapers, flows downwards under the water conservancy diversion of guide plate for the bin outlet discharge efficiency of concentrated pond bottom.
Drawings
FIG. 1 is a schematic diagram of a rake frame for a thickener with a buffering function;
FIG. 2 is a schematic view of a scraper assembly in a rake frame for a thickener with a buffering function;
FIG. 3 is a view showing the combination of a middle inclined fixing plate, a trapezoid lifting groove and a transmission shaft of a rake frame for a thickener with a buffer function;
FIG. 4 is a schematic structural view of a rotary connection mechanism in a rake frame for a thickener with a buffer function;
FIG. 5 is a view showing the combination of a concave bar and a semicircular collar of a rake frame for a thickener with a buffering function;
FIG. 6 is an enlarged view of A in FIG. 4 of a rake frame for a thickener with a buffering function;
FIG. 7 is a view showing the combination of inner wall scraping plates, guide plates and flushing holes in a rake frame for a thickener with a buffering function;
FIG. 8 is a schematic structural view of a fastener in a rake frame for a thickener with a cushioning function;
FIG. 9 is a schematic view of a differential height adjustment assembly in a rake frame for a thickener with a cushioning function;
fig. 10 is a view showing the combination of the power trolley and the concentrating pool in the rake frame for the thickener with the buffering function.
In the figure: 1. a bearing; 2. a power trolley; 3. a strip-shaped plate; 4. truss; 5. an inner wall scraper; 6. a motor; 7. an inclined fixing plate; 8. a trapezoid lifting groove; 9. a trapezoid lifting block; 10. a first rotatable connection plate; 11. a second rotatable connection plate; 12. a rotating shaft; 13. a torsion spring; 14. a fixing seat; 15. a concave rod; 16. a semicircular collar; 17. a limit bolt; 18. an arc-shaped notch; 19. a gasket; 20. tightening the nut; 21. a deflector; 22. a first fastening plate; 23. a second fastening plate; 24. a clamping groove; 25. a clamping column; 26. a threaded hole; 27. a chain wheel; 28. a drive chain; 29. a transmission shaft; 30. flushing the hole; 31. a concentration tank; 32. and a center column.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 10, in the embodiment of the invention, a rake frame for a thickener with a buffer function comprises a thickener 31, a bearing 1 and a power trolley 2, wherein the power trolley 2 is arranged on a ring pool rail of the thickener 31, the bearing 1 is arranged on a center column 32 in the thickener 31, a strip-shaped plate 3 is fixedly connected between the bearing 1 and the power trolley 2, the bottom end surface of the strip-shaped plate 3 is fixedly connected with a truss 4, a scraping plate component is arranged at the bottom end of the truss 4, and a difference height adjusting component is arranged between the scraping plate component and the strip-shaped plate 3; the scraper assembly comprises an inclined fixing plate 7 and a plurality of inner wall scrapers 5, wherein the inner wall scrapers 5 are arranged on one side of the inclined fixing plate 7 along the length direction and gradually increase from top to bottom with the bottom end surface of a concentration tank 31, the inclined fixing plate 7 is fixedly connected with the bottom end of a truss 4, a plurality of trapezoid lifting grooves 8 are formed in one side of the inclined fixing plate 7 along the length direction, trapezoid lifting blocks 9 are movably connected inside the trapezoid lifting grooves 8, the trapezoid lifting blocks 9 are in one-to-one correspondence with the inner wall scrapers 5, a rotary connecting mechanism is arranged between the trapezoid lifting blocks 9 and the corresponding inner wall scrapers 5, the trapezoid lifting blocks 9 are connected with a differential height adjusting assembly, and the height of the trapezoid lifting blocks 9 in the trapezoid lifting grooves 8 can be adjusted by the differential height adjusting assembly. This application sets up a plurality of inner wall scraper blade 5 in inclined fixing plate 7 one side along length direction to make the interval of inner wall scraper blade 5 and concentrated pond 31 bottom face from last to increasing down gradually, this can reduce the impact that bottom harrow frame and inner wall scraper blade 5 received in earlier stage, play good cushioning effect, and when the later stage carries out the degree of depth clearance, can adjust the decline distance of each trapezoidal lifter 9 through the difference altitude mixture control subassembly that sets up, the distance that trapezoidal lifter 9 that is close to the bottom more descends is bigger, the decline mode of this kind of difference can guarantee the inner wall scraper blade 5 that is close to the top can not collide the inner wall of concentrated pond 31 top, can guarantee the inner wall that is close to the better below of inner wall scraper blade 5 of below again, make things convenient for the follow-up harrow frame to carry out the degree of depth clearance down.
In this embodiment: the rotary connection mechanism specifically comprises: two pairs of oppositely overlapped first rotary connecting plates 10 and second rotary connecting plates 11, wherein the first rotary connecting plates 10 are connected with the inner wall scraping plates 5, the second rotary connecting plates 11 are detachably connected with the trapezoid lifting blocks 9 through fasteners, a rotating shaft 12 penetrates through the two pairs of first rotary connecting plates 10 and the second rotary connecting plates 11, two elastic pieces are arranged outside the rotating shaft 12, and a limiting piece is arranged between each pair of first rotary connecting plates 10 and the second rotary connecting plates 11. When the inner wall scraping plate 5 pushes the concentrated product on the inner wall of the concentrating tank 31, the resistance from the concentrated product can push the inner wall scraping plate 5 to rotate to a certain extent, in the rotating process, the first rotary connecting plate 10 and the second rotary connecting plate 11 rotate relatively around the rotating shaft 12, the gap between the two adjacent inner wall scraping plates 5 is increased, and the inflow of the concentrated product from the gap is accelerated while the front impact surface of the concentrated product is reduced.
In this embodiment: the fastener specifically comprises: the first fastening plate 22 and the second fastening plate 23 which are overlapped up and down, the first fastening plate 22 and the second rotary connecting plate 11 are fixedly connected, a circular clamping groove 24 is formed after the first fastening plate 22 and the second fastening plate 23 are overlapped, a clamping column 25 is fixedly connected to one side surface of the trapezoid lifting block 9 corresponding to the position of the second rotary connecting plate 11, and the first fastening plate 22 and the second fastening plate 23 are fastened and fixed through bolts after the clamping column 25 is clamped in the clamping groove 24. Because each inner wall scraper 5 on the scraper assembly is mutually independent, when a certain inner wall scraper 5 is damaged, the inner wall scraper 5 can be quickly detached and replaced by a new one through the arranged fastener, and specifically: the first fastening plate 22 and the second fastening plate 23 are separated by the unscrewing bolts, so that the clamping columns 25 and the clamping columns 25 are separated, a new inner wall scraping plate 5 is taken to be installed together with the rotary connecting mechanism, in addition, the space between two adjacent inner wall scraping plates 5 can be quickly adjusted as required by a user in the early-stage assembly of the thickener through the connection mode of the clamping columns 25 and the clamping grooves 24, and the gap between the two inner wall scraping plates 5 can be conveniently enlarged.
In this embodiment: the elastic piece specifically includes: two torsion springs 13 sleeved outside the rotating shaft 12 in parallel, one ends of the two torsion springs 13 are connected with concave rods 15 together, the other ends of the two torsion springs 13 are fixedly connected with fixing bases 14, the fixing bases 14 are fixedly connected with a first fastening plate 22, and the concave rods 15 on the two elastic pieces are respectively propped against two sides of one side face of the inner wall scraping plate 5. When the inner wall scraping plate 5 rotates to a certain extent, the rotating side of the inner wall scraping plate 5 props against the concave rod 15 to press the inner wall scraping plate inwards, the torsion spring 13 deforms to generate elastic potential energy which can further buffer the impact force, after the concentrated product is shoveled out from the discharge port at the bottom of the concentration tank 31, the rotating resistance of the inner wall scraping plate 5 is reduced due to the reduction of the concentrated product, the elastic potential energy accumulated by the torsion spring 13 is released to push the inner wall scraping plate 5 back, the gap between two adjacent inner wall scraping plates 5 is reduced, the front impact area of the inner wall scraping plate 5 and the concentrated product is increased, and the concentrated product can be cleaned better.
In this embodiment: a semicircular collar 16 is fixedly connected to one side surface of the inner wall scraping plate 5 corresponding to the position of the concave rod 15, and the concave rod 15 penetrates through the semicircular collar 16. The semicircular lantern ring 16 is arranged to better connect the inner wall scraping plate 5 and the concave rods 15, so that the inner wall scraping plate 5 can drive the concave rods 15 on two sides to deform no matter what rotation is performed, and the torsion spring 13 generates enough elastic potential energy.
In this embodiment: the locating part specifically includes: the limiting bolt 17 and the arc notch 18, the limiting bolt 17 is fixed on the first rotary connecting plate 10, and one end of the limiting bolt 17 penetrates through the arc notch 18 formed in the top end face of the second rotary connecting plate 11 and can move in the arc notch 18. The setting of locating part can restrict the rotation scope of inner wall scraper blade 5, avoids the too big influence cleaning effect of inner wall scraper blade 5 turned angle, and wherein, when inner wall scraper blade 5 rotated, stop bolt 17 followed the rotation at arc notch 18, and arc notch 18 has restricted stop bolt 17's movable range, and then has restricted the rotation scope of inner wall scraper blade 5.
In this embodiment: one end of the limit bolt 17 penetrating through the arc-shaped notch 18 is connected with a tightening nut 20 in a threaded mode, and a gasket 19 is arranged between the tightening nut 20 and the arc-shaped notch 18. The staff can adjust the elasticity of stop bolt 17 at arc notch 18 as required before using, if urgent clearance is all concentrated products, can not consider the buffering to inner wall scraper 5 and carry out overload operation, specifically, directly through tightening up elasticity nut 20 and gasket 19 with stop bolt 17 in arc notch 18 the fixed dead of position, and then artificially fix the clearance between two adjacent inner wall scrapers 5, do not receive the influence of follow-up concentrated product resistance and change, this kind of mode can clear up concentrated product fast, but can bring certain harm for inner wall scraper 5, therefore not suggested to use under emergency.
In this embodiment: differential altitude mixture control subassembly specifically includes: a plurality of transmission shaft 29 with the one-to-one correspondence of a plurality of trapezoidal elevating block 9, screw hole 26 has been seted up to the top face of trapezoidal elevating block 9, transmission shaft 29 lateral surface bottom is equipped with the screw thread, and transmission shaft 29 bottom threaded connection is inside screw hole 26, transmission shaft 29 top fixedly connected with chain wheel 27, and rotate between chain wheel 27 and the strip shaped plate 3 and be connected, be connected through the transmission chain 28 transmission between two adjacent chain wheels 27, and the diameter of chain wheel 27 reduces gradually from power trolley 2 to bearing 1, strip shaped plate 3 top face fixedly connected with motor 6 in middle chain wheel 27 top, and motor 6 bottom output runs through strip shaped plate 3 and with middle chain wheel 27 fixed connection. When the device is used, the motor 6 operates to drive the chain wheel 27 below the device to rotate, and the chain wheel 27 drives other chain wheels 27 on two sides to rotate under the transmission effect of the transmission chain 28, as the diameter of the chain wheel 27 gradually decreases from the power trolley 2 to the bearing 1, in the same time period, the faster the chain wheel 27 which is close to the bearing 1 rotates, the more the number of rotation turns are, so that the number of rotation turns of the transmission shaft 29 connected with the chain wheel is more, and the transmission shaft 29 rotates to drive the trapezoid lifting block 9 to descend in the trapezoid lifting groove 8, so that the larger the descending distance of the trapezoid lifting block 9 which is close to the bearing 1 is, the larger the descending distance of the inner wall scraping plate 5 which is close to the bottom is, and the descending mode of the difference can ensure that the inner wall scraping plate 5 which is close to the upper side does not collide with the inner wall above the concentration tank 31, and the inner wall which is close to the lower side is better to the lower side can be cleaned.
In this embodiment: the side corner position of the inner wall scraping plate 5 is provided with a flushing hole 30, and the section diameter of the flushing hole 30 gradually decreases from one side far away from the inclined fixing plate 7 to one side close to the inclined fixing plate 7. The concentrated product on the inner wall of the concentration tank 31 is continuously reduced along with the rotation of the harrow frame, under the condition that water in the concentration tank 31 is continuously clarified, clear water can flush the flushing hole 30, then clear water passing through the flushing hole 30 gradually becomes smaller due to the section diameter of the flushing hole 30 and finally becomes torrent to be flushed out of the other end of the flushing hole 30, and the flushed torrent can flush the rear of the inner wall scraping plate 5, and it is required to say that the flushing hole 30 can be blocked under the condition that the concentrated product in the earlier stage is more, but the blocking position can be slowly flushed along with the continuous clarification of water.
In this embodiment: a plurality of parallel guide plates 21 are fixedly connected to the middle position of one side surface of the inner wall scraping plate 5, which is close to the inclined fixing plate 7. In the use process, the concentrated product flows in from the gap between the two adjacent inner wall scraping plates 5, flows downwards under the flow guide of the flow guide plate 21, and accelerates the discharge efficiency of the discharge hole at the bottom of the concentration tank 31.
The working principle of the invention is as follows: during the use, the operation of power dolly 2 drives strip shaped plate 3 and truss 4 rotatory, rotatory in-process, the scraper blade subassembly of truss 4 bottom begins the concentrated product on the concentrated pond 31 inner wall of clearance, and the scraper blade subassembly sets up a plurality of inner wall scraper blade 5 along length direction in inclined fixed plate 7 one side, and make the interval of inner wall scraper blade 5 and concentrated pond 31 bottom face increase gradually from top to bottom, this can reduce the impact that bottom harrow frame and inner wall scraper blade 5 received in earlier stage, play good cushioning effect, and when carrying out the degree of depth clearance in later stage, the decline distance of each trapezoidal lifter 9 can be adjusted through the difference altitude mixture control subassembly that sets up, the distance that trapezoidal lifter 9 that is close to the bottom descends is bigger more, the inner wall scraper blade 5 that is close to the top can guarantee the inner wall that can not bump concentrated pond 31 top, can guarantee the inner wall that is close to the better below of inner wall scraper blade 5 of below again, make things convenient for the follow-up descending harrow frame to carry out the degree of depth clearance.
When the inner wall scraping plate 5 pushes the concentrated product on the inner wall of the concentrating tank 31, the resistance from the concentrated product can push the inner wall scraping plate 5 to rotate to a certain extent, in the rotating process, the first rotary connecting plate 10 and the second rotary connecting plate 11 rotate relatively around the rotating shaft 12, the gap between the two adjacent inner wall scraping plates 5 is increased, and the inflow of the concentrated product from the gap is accelerated while the front impact surface of the concentrated product is reduced. In addition, when the inner wall scraping plate 5 rotates to a certain extent, the rotating side of the inner wall scraping plate 5 pushes against the concave rod 15 to press the inner wall scraping plate inwards, the torsion spring 13 deforms to generate elastic potential energy which can further buffer the impact force received by the inner wall scraping plate, after the concentrated product is shoveled out from the discharge port at the bottom of the concentration tank 31, the rotating resistance of the inner wall scraping plate 5 is reduced due to the reduction of the concentrated product, the elastic potential energy accumulated by the torsion spring 13 is released to push the inner wall scraping plate 5 back, the gap between two adjacent inner wall scraping plates 5 is reduced, the front impact area of the inner wall scraping plate 5 and the concentrated product is increased, and the concentrated product can be cleaned better. The semicircular collar 16 can better connect the inner wall scraping plate 5 and the concave rods 15, so that the inner wall scraping plate 5 can drive the concave rods 15 on two sides to deform no matter what rotation is performed, and the torsion spring 13 can generate enough elastic potential energy. The setting of locating part can restrict the rotation scope of inner wall scraper blade 5, avoids the too big influence cleaning effect of inner wall scraper blade 5 turned angle, and wherein, when inner wall scraper blade 5 rotated, stop bolt 17 followed the rotation at arc notch 18, and arc notch 18 has restricted stop bolt 17's movable range, and then has restricted the rotation scope of inner wall scraper blade 5. In addition, if all the concentrated products are cleaned urgently, the overload operation can be carried out without considering the buffering of the inner wall scraping plates 5, specifically, the positions of the limit bolts 17 in the arc-shaped notch 18 are fixed and dead directly by screwing the elastic nuts 20 and the gaskets 19, and then the gaps between two adjacent inner wall scraping plates 5 are manually fixed and are not changed due to the influence of the resistance of the subsequent concentrated products.
The specific use process of the differential height adjusting assembly is that the motor 6 operates to drive the chain wheel 27 below the differential height adjusting assembly to rotate, the chain wheel 27 drives other chain wheels 27 on two sides to rotate under the transmission effect of the transmission chain 28, and the diameter of the chain wheel 27 gradually decreases from the power trolley 2 to the bearing 1, so that in the same time period, the faster the chain wheel 27 which is close to the bearing 1 rotates, the more the number of rotation turns are, the more the number of rotation turns of the transmission shaft 29 connected with the chain wheel is further, and the transmission shaft 29 rotates to drive the trapezoid lifting block 9 to descend in the trapezoid lifting groove 8, so that the larger the descending distance of the trapezoid lifting block 9 which is close to the bearing 1 is, the larger the descending distance of the inner wall scraping plate 5 which is close to the bottom is, and the descending mode of the differential can ensure that the inner wall scraping plate 5 which is close to the bottom cannot collide with the inner wall above the concentration tank 31, and the inner wall scraping plate 5 which is close to the bottom is better to the inner wall below is also ensured to be cleaned deeply.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a rake frame for thickener with buffer function, includes concentrated pond (31), bearing (1) and power dolly (2), its characterized in that, fixedly connected with strip shaped plate (3) between bearing (1) and the power dolly (2), and strip shaped plate (3) bottom surface fixedly connected with truss (4), truss (4) bottom is equipped with the scraper blade subassembly, and is equipped with difference altitude mixture control subassembly between scraper blade subassembly and the strip shaped plate (3);
the scraper assembly comprises an inclined fixing plate (7) and a plurality of inner wall scrapers (5), wherein the inner wall scrapers (5) are arranged on one side of the inclined fixing plate (7) along the length direction and gradually increase from top to bottom with the bottom end surface of a concentration tank (31), the inclined fixing plate (7) is fixedly connected with the bottom end of a truss (4), a plurality of trapezoid lifting grooves (8) are formed in one side of the inclined fixing plate (7) along the length direction, trapezoid lifting blocks (9) are movably connected inside the trapezoid lifting grooves (8), the trapezoid lifting blocks (9) are in one-to-one correspondence with the inner wall scrapers (5), a rotary connection mechanism is arranged between the trapezoid lifting blocks (9) and the corresponding inner wall scrapers (5), the trapezoid lifting blocks (9) are connected with a differential height adjusting assembly, and the height of the trapezoid lifting blocks (9) in the trapezoid lifting grooves (8) can be adjusted by the differential height adjusting assembly;
the differential height adjustment assembly specifically comprises: a plurality of transmission shaft (29) with a plurality of trapezoidal lifter block (9) one-to-one, screw hole (26) have been seted up to the top face of trapezoidal lifter block (9), transmission shaft (29) lateral surface bottom is equipped with the screw thread, and transmission shaft (29) bottom threaded connection is inside screw hole (26), transmission shaft (29) top fixedly connected with chain wheel (27), and rotate between chain wheel (27) and strip shaped plate (3) and be connected, pass through drive chain (28) transmission between two adjacent chain wheels (27) and be connected, and the diameter of chain wheel (27) reduces gradually from power dolly (2) to bearing (1), centre strip shaped plate (3) top face fixedly connected with motor (6) above chain wheel (27), and motor (6) bottom output runs through strip shaped plate (3) and with intermediate chain wheel (27) fixed connection.
2. The rake frame for a thickener with a buffering function according to claim 1, wherein the rotary connection mechanism specifically comprises: two pairs of relatively overlapped first rotary connecting plates (10) and second rotary connecting plates (11), first rotary connecting plates (10) are connected with inner wall scraping plates (5), second rotary connecting plates (11) are detachably connected with trapezoid lifting blocks (9) through fasteners, two pairs of rotary shafts (12) are arranged between the first rotary connecting plates (10) and the second rotary connecting plates (11) in a penetrating mode, two elastic pieces are arranged outside the rotary shafts (12), and limiting pieces are arranged between the first rotary connecting plates (10) and the second rotary connecting plates (11) in each pair.
3. The rake for a thickener with buffering function according to claim 2, wherein the fastener specifically comprises: the first fastening plate (22) and the second fastening plate (23) which are overlapped up and down, the first fastening plate (22) is fixedly connected with the second rotary connecting plate (11), a circular clamping groove (24) is formed after the first fastening plate (22) and the second fastening plate (23) are overlapped, a clamping column (25) is fixedly connected to one side face of the trapezoid lifting block (9) corresponding to the position of the second rotary connecting plate (11), and the first fastening plate (22) and the second fastening plate (23) are tightly screwed and fixed through bolts after the clamping column (25) is clamped in the clamping groove (24).
4. A rake frame for a thickener with a buffering function according to claim 3, wherein the elastic member specifically comprises: two torsion springs (13) sleeved outside the rotating shaft (12) in parallel, one ends of the two torsion springs (13) are connected with concave rods (15) together, the other ends of the two torsion springs (13) are fixedly connected with fixing bases (14), the fixing bases (14) are fixedly connected with a first fastening plate (22), and the concave rods (15) on the two elastic pieces are respectively propped against two sides of one side surface of the inner wall scraping plate (5).
5. The harrow for a thickener with buffering function according to claim 4, wherein a semicircular collar (16) is fixedly connected to one side surface of the inner wall scraping plate (5) corresponding to the position of the concave rod (15), and the concave rod (15) penetrates through the semicircular collar (16).
6. The rake frame for a thickener with a buffering function according to claim 2, wherein the limiting member specifically comprises: the limiting bolt (17) and the arc notch (18), the limiting bolt (17) is fixed on the first rotary connecting plate (10), and one end of the limiting bolt (17) penetrates through the arc notch (18) formed in the top end face of the second rotary connecting plate (11) and can move in the arc notch (18).
7. The harrow frame for a thickener with buffering function according to claim 6, wherein the limit bolt (17) penetrates through one end of the arc-shaped notch (18) and is connected with a tightening nut (20) in a threaded manner, and a gasket (19) is arranged between the tightening nut (20) and the arc-shaped notch (18).
8. The rake frame for a thickener with a buffering function according to claim 1, wherein a flushing hole (30) is formed at a side corner position of the inner wall scraper (5), and a section diameter of the flushing hole (30) is gradually reduced from a side far from the inclined fixing plate (7) to a side near to the inclined fixing plate (7).
9. The harrow frame with buffer function for a thickener according to claim 1, wherein a plurality of parallel guide plates (21) are fixedly connected to the middle position of one side surface of the inner wall scraping plate (5) close to the inclined fixing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933248.8A CN115138108B (en) | 2022-08-04 | 2022-08-04 | Rake frame with buffer function for thickener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210933248.8A CN115138108B (en) | 2022-08-04 | 2022-08-04 | Rake frame with buffer function for thickener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115138108A CN115138108A (en) | 2022-10-04 |
| CN115138108B true CN115138108B (en) | 2023-04-25 |
Family
ID=83413948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210933248.8A Active CN115138108B (en) | 2022-08-04 | 2022-08-04 | Rake frame with buffer function for thickener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115138108B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115970348A (en) * | 2023-01-13 | 2023-04-18 | 航天氢能新乡气体有限公司 | Self-cleaning rake machine for settling tank and cleaning method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638818Y (en) * | 2003-08-30 | 2004-09-08 | 淮北市中芬矿山机器有限责任公司 | Traction thickener |
| CN201603435U (en) * | 2010-01-28 | 2010-10-13 | 洛阳盛豫重工机械有限公司 | Multi-wing frame manual rake-lifting concentrator |
| CN204522394U (en) * | 2015-02-13 | 2015-08-05 | 长沙矿冶研究院有限责任公司 | Lotion thickener |
| CN204891306U (en) * | 2015-07-30 | 2015-12-23 | 淮北中德矿山机器有限公司 | Peripheral traction thickener structure |
| CN207478056U (en) * | 2017-11-14 | 2018-06-12 | 重庆中瑞环保工程有限公司 | Scraping and sucking machine |
| CN110960897A (en) * | 2018-09-28 | 2020-04-07 | 扬州市水世界环保设备有限公司 | Adjustable mud scraper |
| CN211273663U (en) * | 2019-10-15 | 2020-08-18 | 中国黄金集团石湖矿业有限公司 | Special high-efficient three-layer thickener of gold ore |
| CN212214702U (en) * | 2020-04-02 | 2020-12-25 | 广东科创工程技术有限公司 | Intelligent control device of mud scraper |
| CN217092215U (en) * | 2022-04-29 | 2022-08-02 | 河南道为机械设备有限公司 | Peripheral transmission type integral lifting mechanism |
-
2022
- 2022-08-04 CN CN202210933248.8A patent/CN115138108B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115138108A (en) | 2022-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115138108B (en) | Rake frame with buffer function for thickener | |
| CN204485439U (en) | Tapioca dregs and liquor separation device | |
| CN111686916B (en) | Environment-friendly grit reducing mechanism that building was used | |
| CN110255732B (en) | Energy-saving solid-liquid separation and purification device | |
| CN201182922Y (en) | Automatic rake-lifting thickner | |
| CN112619896A (en) | Iron removing system for screening ferric oxide slurry | |
| CN212215691U (en) | Food processing grinder | |
| CN112156560A (en) | Energy-concerving and environment-protective type sewage treatment is anti-clogging device for equipment | |
| CN114748896B (en) | Thickener for removing floaters on surface of ore pulp | |
| CN208244197U (en) | Anti-blocking hydraulic screen | |
| CN217806914U (en) | Automatic feeding device for organic solid waste treatment | |
| CN214288397U (en) | Broken bin outlet of cone crusher | |
| CN210495415U (en) | Novel automatic impurity removal combination of mud device | |
| CN208426723U (en) | The interim filter device of sewage treatment | |
| CN112843815A (en) | Convenient clear filter equipment | |
| CN220705687U (en) | Shunt equipment for oil recovery | |
| CN213771788U (en) | Efficient stirring formula sludge thickening tank | |
| CN111392904A (en) | Sewage sedimentation tank for steel plant | |
| CN219681777U (en) | Automatic peripheral transmission mud scraper breaks barrier | |
| CN114788965B (en) | Unpowered automatic back flushing filter device | |
| CN216739045U (en) | High-efficiency energy-saving high-concentration slag remover | |
| CN213221116U (en) | Wastewater treatment device capable of removing solid impurities in water | |
| CN220276458U (en) | Self-control intermittent type formula river course sewage impurity filters clearance mechanism | |
| CN108906287A (en) | A kind of sewage-treatment plant | |
| CN216799982U (en) | Be used for corrosion-resistant passivator processingequipment of copper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |