CN211613417U

CN211613417U - Driving device for vibrating screen

Info

Publication number: CN211613417U
Application number: CN202020122058.4U
Authority: CN
Inventors: 洪传彪; 刘俊彤; 江小辉
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-02
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a shale shaker equipment technical field, concretely relates to a drive arrangement for shale shaker, its characterized in that: the driving device comprises a driving motor, a driving belt wheel is arranged on an output shaft of the driving motor, the driving belt wheel is in transmission connection with a driven belt wheel through a transmission belt, the driven belt wheel is arranged on a transmission shaft of the vibrating screen, the driving motor is arranged on a motor base, the installation position of the driving motor can be adjusted along the center distance direction of the driving belt wheel and the driven belt wheel, an adjusting mechanism is arranged on the driving belt wheel and used for adjusting the effective diameter of the driving belt wheel, the driving device further comprises a tensioning mechanism, and the tensioning mechanism is used for keeping the tensioning of the transmission belt. The utility model discloses can reduce the stress on the driving belt, keep its effective tension simultaneously, can eliminate the belt flexure of driving belt during normal operating to help reducing its rocking opening and stopping during, in addition, can be according to the particle diameter of waiting to sieve the aggregate, adjust vibration velocity, thereby increase throughput.

Description

Driving device for vibrating screen

Technical Field

The utility model relates to a shale shaker equipment technical field, specificly relate to a drive arrangement for shale shaker.

Background

When high productivity is needed in the quarrying and mining industries, materials are often screened by using some large horizontal vibrating screens, the vibrating force is high, the efficiency and the accuracy are higher, fine materials are easily screened from complex materials, and the blockage of a screen box can be reduced.

The existing horizontal vibrating screen is usually connected with a transmission shaft on a vibration exciter through a transmission belt by a driving motor, so that the vibration exciter is driven and the vibration of the horizontal vibrating screen is driven, the transmission belt can shake under the vibration state of the horizontal vibrating screen, the stress on the transmission belt is variable, the service life of the transmission belt is easily influenced, and in addition, the existing horizontal vibrating screen cannot adjust the vibration speed of the existing horizontal vibrating screen according to aggregates to be screened with different particle sizes, and the processing capacity of the horizontal vibrating screen on the aggregates can be influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can reduce the stress on the driving belt, keep its effective tension simultaneously, can eliminate the belt flexure of driving belt during normal work to help reducing its shaking of opening during stopping, in addition, can be according to the particle diameter of waiting to sieve the aggregate, adjust vibration speed, thereby increase throughput's a drive arrangement for shale shaker.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a drive arrangement for shale shaker, including driving motor, be equipped with driving pulley on the driving motor output shaft, driving pulley passes through driving belt and is connected with the driven pulley transmission, driven pulley locates on the transmission shaft of shale shaker, driving motor locates on the motor cabinet, driving motor's mounted position can be adjusted along driving pulley and driven pulley's centre-to-centre spacing direction, be equipped with adjustment mechanism on the driving pulley, thereby adjustment mechanism is used for adjusting the effective diameter of driving pulley and adjusts the drive ratio between driving pulley and the driven pulley, driving device still includes straining device, straining device is used for keeping the tensioning to driving belt.

Further, straining device includes take-up pulley, swing arm and fixing base, the one end of swing arm with take the rotatable connection of pedestal bearing, take pedestal bearing fixed mounting on the fixing base, fixing base and motor cabinet fixed connection, the other end of swing arm is connected with rotatable take-up pulley through the bearing, still is equipped with the spring between swing arm and the fixing base, the spring is used for applying an effort that makes the take-up pulley keep carrying out the tensioning to driving belt all the time to the swing arm.

Furthermore, an annular caulking groove is formed in the surface of the outer circle of the tensioning wheel, and the width of the annular caulking groove is matched with the width of the transmission belt.

Further, be equipped with first bulge loop on the fixing base, the external diameter of first bulge loop and the internal diameter looks adaptation of spring, but the spring lower extreme card is located on first bulge loop and is carried out fixed connection through splint, fixedly connected with connecting seat on the swing arm, be equipped with the second bulge loop on the connecting seat, the external diameter of second bulge loop and the internal diameter looks adaptation of spring, but the spring upper end card is located on the second bulge loop, the transmission belt below is located to the take-up pulley, the spring is compression spring, thereby compression spring is used for applying an ascending effort to the swing arm all the time and drives the take-up pulley and keep the tensioning to transmission belt.

Further, driving pulley includes fixed mainboard and adjustment subplate, the fixed wheel hub that is used for being connected with the driving motor output shaft that is equipped with in fixed mainboard center, the through-hole has been seted up at adjustment subplate center and on wheel hub was located through the separable cover of through-hole, carry out fixed connection through a plurality of connecting pieces between adjustment subplate and the fixed mainboard, one side border that is close to each other on fixed mainboard and the adjustment subplate all is equipped with the inclined plane, be formed with the pulley groove between two inclined planes, the pulley groove is outer wide narrow V style of calligraphy form in, thereby adjustment mechanism is used for adjusting the effective diameter of adjusting driving pulley in the clearance between fixed mainboard and the adjustment subplate.

Further, the connecting piece is a bolt assembly, and the number of the bolt assemblies is 4-6 and the bolt assemblies are uniformly distributed along the circumferential direction of the driving belt pulley.

Furthermore, the adjusting mechanism comprises adjusting base plates, and 0-3 adjusting base plates can be arranged between the fixed main plate and the adjusting auxiliary plate.

Furthermore, the adjusting backing plate is circular and comprises two semicircular backing plates, and the semicircular backing plates are provided with round holes through which the connecting pieces can pass.

Furthermore, the adjusting auxiliary plate is also inwards sunken on the surface of one side far away from the fixed main plate and is formed with an accommodating groove used for placing an adjusting base plate.

Further, the motor cabinet includes two support frames that are parallel to each other and set up at interval, is equipped with two fixed cross beams that are parallel to each other and set up at interval between two support frames, and driving motor installs on fixed cross beam, and fixed cross beam's mounted position can be adjusted along driving motor output shaft central axis direction.

As can be seen from the above description, the driving device for the vibrating screen provided by the present invention has a simple, practical and reliable overall structure, and through the arrangement of the tensioning mechanism, the stress on the driving belt can be reduced, and at the same time, the effective tension on the driving belt can be maintained, and the tensioning wheel is pressurized through the spring, so that the belt flexure of the driving belt during the normal operation can be eliminated, and the shaking of the driving belt during the start and stop of the vibrating screen can be reduced; through setting up the adjusting shim plate of different quantity between fixed mainboard and adjustment subplate, can conveniently adjust driving pulley's effective diameter to adjust the drive ratio between driving pulley and the driven pulley, and then adjust the vibration speed of this shale shaker, from this, be convenient for according to the particle diameter of waiting to sieve the aggregate, adjust the vibration speed of this shale shaker, thereby the increase has certain promotion effect to the throughput of aggregate, to the productivity that improves this vibrating bin.

Drawings

Fig. 1 is a schematic structural view of a driving device for a vibrating screen according to the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view of a use state of the driving device for the vibrating screen according to the present invention.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a front view of the driving pulley.

Fig. 6 is a schematic cross-sectional view taken along the direction C-C in fig. 5.

Fig. 7 is a partially enlarged view of fig. 6 at D.

In the figure: 1-driving a motor; 2-a driving pulley; 21-fixing the main board; 211-a hub; 22-adjusting the auxiliary plate; 221-accommodating grooves; 23-a connector; 24-inclined plane; 25-pulley grooves; 3-a drive belt; 4-a driven pulley; 5-vibrating the screen; 51-a drive shaft; 6-motor base; 61-a support frame; 62-a fixed cross beam; 7-a tensioning mechanism; 71-a tension wheel; 711-annular caulking groove; 72-a swing arm; 73-a fixed seat; 731-first convex ring; 74-a seated bearing; 75-a spring; 76-a splint; 77-a connecting seat; 771-second bulge loop; 8-adjusting the backing plate.

Detailed Description

The present invention will be further described with reference to the following detailed description.

As shown in fig. 1, 3 and 4, the driving device for the vibrating screen according to the present invention includes a driving motor 1, a driving belt wheel 2 is arranged on an output shaft of the driving motor 1, the driving belt wheel 2 is in transmission connection with a driven belt wheel 4 through a transmission belt 3, the driven belt wheel 4 is arranged on a transmission shaft 51 of the vibrating screen 5, the driving motor 1 is arranged on a motor base 6, the installation position of the driving motor 1 can be adjusted along the center distance direction of the driving pulley 2 and the driven pulley 4, the driving belt wheel 2 is provided with an adjusting mechanism which is used for adjusting the effective diameter of the driving belt wheel 2 so as to adjust the transmission ratio between the driving belt wheel 2 and the driven belt wheel 4, the drive device further comprises a tensioning mechanism 7, which tensioning mechanism 7 is used to maintain the tension on the drive belt 3.

As shown in fig. 1 and 2, the tensioning mechanism 7 includes a tensioning wheel 71, a swing arm 72 and a fixed seat 73, one end of the swing arm 72 is rotatably connected to a belt seat bearing 74, the belt seat bearing 74 is fixedly mounted on the fixed seat 73, the fixed seat 73 is fixedly connected to the motor base 6, the other end of the swing arm 72 is connected to the rotatable tensioning wheel 71 through a bearing, a spring 75 is further provided between the swing arm 72 and the fixed seat 73, the spring 75 is used for always applying an acting force to the swing arm 72 to keep the tensioning wheel 71 tensioned on the driving belt 3, the whole structure is simple, practical and reliable, by adopting the structure, the stress on the driving belt 3 can be reduced, the effective tension on the driving belt 3 can be kept, and the tensioning wheel 71 is pressurized through the spring 75, belt buckling of the drive belt 3 during normal operation is eliminated and helps to reduce wobble of the drive belt 3 during start-up and shut-down of the shaker 5.

As shown in fig. 4, an annular caulking groove 711 is formed on the outer circumferential surface of the tension pulley 71, the width of the annular caulking groove 711 is adapted to the width of the transmission belt 3, and the transmission belt 3 can be embedded in the annular caulking groove 711, so that the transmission belt 3 is not easily separated from the tension pulley 71 during transmission, and the tension pulley 71 is ensured to maintain tension on the transmission belt 3.

As shown in fig. 2, a first protruding ring 731 is disposed on the fixed seat 73, an outer diameter of the first protruding ring 731 is adapted to an inner diameter of the spring 75, a lower end of the spring 75 can be clamped on the first protruding ring 731 and fixedly connected through a clamping plate 76, the clamping plate 76 is connected with the fixed seat 73 through a bolt, so as to clamp and fix the lower end of the spring 75 on the fixed seat 73, a connecting seat 77 is fixedly connected to the swing arm 72, a second protruding ring 771 is disposed on the connecting seat 77, an outer diameter of the second protruding ring 771 is adapted to the inner diameter of the spring 75, an upper end of the spring 75 can be clamped on the second protruding ring 771, by adopting this structure, the spring 75 is ensured to be stably located between the fixed seat 73 and the swing arm 72, so as to stably apply an acting force to the swing arm 72, the tension pulley 71 is disposed below the transmission belt 3, the spring 75 is a compression spring, and the compression spring is used for always applying an upward acting force to the swing arm 72 so as to drive the tension pulley 71 to maintain the tension of the transmission belt 3.

As shown in fig. 5, 6 and 7, the driving pulley 2 includes a fixed main plate 21 and an adjusting sub-plate 22, a hub 211 for connecting with the output shaft of the driving motor 1 is fixedly disposed at the center of the fixed main plate 21, a through hole is disposed at the center of the adjusting sub-plate 22 and detachably sleeved on the hub 211 through the through hole, the adjusting sub-plate 22 is fixedly connected with the fixed main plate 21 through a plurality of connecting pieces 23, inclined surfaces 24 are disposed at the side edges of the fixed main plate 21 and the adjusting sub-plate 22 close to each other, a pulley groove 25 is formed between the two inclined surfaces 24, the pulley groove 25 is in a V shape with an outer width and an inner width, the adjusting mechanism is used for adjusting the gap between the fixed main plate 21 and the adjusting sub-plate 22 to adjust the effective diameter of the driving pulley 2, and the cross section of the driving belt 3 is in an isosceles trapezoid shape, when the gap between the fixed main plate 21 and the adjusting auxiliary plate 22 is changed, the pulley groove 25 is correspondingly widened, at this time, the assembly position of the transmission belt 3 in the pulley groove 25 is changed, the effective diameter of the driving pulley 2 is the diameter size formed by the transmission belt 3 at the assembly position, when the average particle size of the aggregates to be screened is thick, the vibrating screen 5 can be screened at a relatively slow speed, when the average particle size of the aggregates to be screened is thin, the vibrating screen 5 can be screened at a relatively fast speed, namely when the average particle size of the aggregates is larger than 32mm, the vibrating screen 5 is operated at a slow speed, when the average particle size of the aggregates is between 19mm and 32mm, the vibrating screen 5 is operated at a medium speed, when the average particle size of the aggregates is between 9.5mm and 19mm, this shale shaker 5 moves with fast speed, and when the average particle diameter of aggregate was less than 9.5mm, this shale shaker 5 moved with very fast speed, through adopting this structure, can conveniently pass through adjustment mechanism adjusts the effective diameter of driving pulley 2, thereby adjusts driving pulley 2 with drive ratio between the driven pulleys 4, and then adjusts this shale shaker 5's vibration speed, from this, be convenient for according to the particle diameter of the aggregate of waiting to sieve, adjust this shale shaker 5's vibration speed, thereby the increase has certain promotion effect to the throughput of aggregate, to improving this vibrating bin.

As shown in fig. 5, the connecting members 23 are bolt assemblies, and the number of the bolt assemblies is 4 to 6 and the bolt assemblies are uniformly distributed along the circumferential direction of the driving pulley 2, so that stable connection between the fixed main plate 21 and the adjustment sub-plate 22 is ensured, and at the same time, disassembly is facilitated.

As shown in fig. 7, the adjusting mechanism includes an adjusting plate 8, 0 to 3 adjusting plates 8 may be disposed between the fixed main plate 21 and the adjusting sub-plate 22, and by using a combination of different numbers of adjusting plates 8, a plurality of different sieving speeds may be obtained, when the adjusting plate 8 is not disposed between the fixed main plate 21 and the adjusting sub-plate 22, the position of the driving belt 3 in the pulley groove 25 is the highest, that is, the effective diameter size of the driving pulley 2 is the largest, when the sieving speed of the vibrating screen 5 is 875rpm, when one adjusting plate 8 is disposed between the fixed main plate 21 and the adjusting sub-plate 22, when the sieving speed of the vibrating screen 5 is 830rpm, when two adjusting plates 8 are disposed between the fixed main plate 21 and the adjusting sub-plate 22, the screening speed of the vibrating screen 5 is 785rpm, when three adjusting shim plates 8 are arranged between the fixed main plate 21 and the adjusting auxiliary plate 22, the position of the transmission belt 3 in the pulley groove 25 is the lowest, namely the effective diameter size of the driving pulley 2 is the smallest, and the screening speed of the vibrating screen 5 is 730 rpm.

Adjusting shim plate 8 is the ring form and comprises two semicircle ring backing plates, through adopting this structure to be in as required fixed mainboard 21 with increase or reduce between the adjustment subplate 22 during adjusting shim plate 8's quantity, need not with adjustment subplate 22 follows fixed mainboard 21 take off on wheel hub 211, only need loosen bolt assembly's connection can conveniently be taken off or increase semicircle ring backing plate, the adjustment is convenient, simple, seted up on the semicircle ring backing plate and can be made the round hole that bolt assembly passed, thereby be convenient for adjusting shim plate 8 with fixed connection between the driving pulley 2.

As shown in fig. 7, the adjusting sub-board 22 is further recessed inward on the surface of one side of the fixed main board 21 and is formed with an accommodating groove 221 for accommodating the adjusting shim plate 8, through the arrangement of the accommodating groove 221, the adjusting shim plate 8 taken out between the fixed main board 21 and the adjusting sub-board 22 can be arranged at the accommodating groove 221, and through the connecting piece 23 and the adjusting sub-board 22 are fixedly connected, so that the adjusting shim plate 8 is convenient to be arranged, and meanwhile, the loss of the adjusting shim plate 8 can be avoided, and the taking when the adjusting shim plate is required to be used next time is facilitated.

As shown in fig. 4, the motor base 6 includes two support frames 61 arranged in parallel at an interval, two fixed beams 62 arranged in parallel at an interval are arranged between the two support frames 61, the driving motor 1 is mounted on the fixed beams 62, the mounting position of the fixed beams 62 can be adjusted along the central axis direction of the output shaft of the driving motor 1, the fixed beams 62 and the support frames 61 are both provided with long holes, so as to facilitate the adjustment of the mounting positions of the driving motor 1 and the fixed beams 62, when the driving motor 1 is mounted, the mounting position of the driving motor 1 can be adjusted along the length direction of the fixed beams 62, so as to adjust the tension of the driving belt 3, the driving belt 3 can be screwed until the height of the spring 75 on the tensioning mechanism 7 is compressed to 102 to 114mm, then, the driving motor 1 is fixed by bolt connection, and after the vibration speed of the vibrating screen 5 is adjusted, at this time, since the gap between the fixed main plate 21 and the adjusting sub plate 22 is changed, the driving pulley 2 and the driven pulley 4 are not aligned any more, and adjustment is required, first, coarse adjustment is performed, the mounting position of the fixed cross beam 62 is adjusted along the length direction of the supporting frame 61, so that the driving motor 1 is adjusted along the central axis direction of the output shaft thereof, then, the fixed cross beam 62 is fixed by bolt connection, and then fine adjustment is performed, the mounting position of the driving pulley 2 on the output shaft of the driving motor 1 is adjusted, so that the alignment between the driving pulley 2 and the driven pulley 4 is ensured.

The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a drive arrangement for shale shaker, includes driving motor, be equipped with driving pulley on the driving motor output shaft, driving pulley passes through driving belt and is connected with the driven pulleys transmission, driven pulleys locates on the transmission shaft of shale shaker, its characterized in that: the driving device comprises a driving belt wheel, a driven belt wheel, a driving motor, a motor base, an adjusting mechanism and a tensioning mechanism, wherein the driving motor is arranged on the motor base, the installation position of the driving motor can be adjusted along the center distance direction of the driving belt wheel and the driven belt wheel, the driving belt wheel is provided with the adjusting mechanism, the adjusting mechanism is used for adjusting the effective diameter of the driving belt wheel so as to adjust the transmission ratio between the driving belt wheel and the driven belt wheel, and the tensioning mechanism is used for maintaining the tensioning of the transmission belt.

2. A drive arrangement for a shaker as claimed in claim 1, wherein: the tensioning mechanism comprises a tensioning wheel, a swinging arm and a fixed seat, one end of the swinging arm is rotatably connected with a belt seat bearing, the belt seat bearing is fixedly mounted on the fixed seat, the fixed seat is fixedly connected with the motor seat, the other end of the swinging arm is connected with the rotatable tensioning wheel through a bearing, a spring is further arranged between the swinging arm and the fixed seat, and the spring is used for always applying an acting force to the swinging arm to enable the tensioning wheel to maintain tensioning on the transmission belt.

3. A drive arrangement for a shaker as claimed in claim 2, wherein: an annular caulking groove is formed in the surface of the outer circle of the tensioning wheel, and the width of the annular caulking groove is matched with that of the transmission belt.

4. A drive arrangement for a shaker as claimed in claim 2, wherein: the spring tensioning device is characterized in that a first convex ring is arranged on the fixing seat, the outer diameter of the first convex ring is matched with the inner diameter of the spring, the lower end of the spring can be clamped on the first convex ring and fixedly connected through a clamping plate, a connecting seat is fixedly connected to the swing arm, a second convex ring is arranged on the connecting seat, the outer diameter of the second convex ring is matched with the inner diameter of the spring, the upper end of the spring can be clamped on the second convex ring, the tensioning wheel is arranged below the transmission belt, the spring is a compression spring, and the compression spring is used for applying an upward acting force to the swing arm all the time so as to drive the tensioning wheel to maintain the tensioning of the transmission belt.

5. A drive arrangement for a shaker as claimed in claim 1, wherein: the driving pulley comprises a fixed main plate and an adjusting auxiliary plate, wherein the center of the fixed main plate is fixedly provided with a wheel hub connected with an output shaft of the driving motor, the center of the adjusting auxiliary plate is provided with a through hole and passes through the through hole, the through hole can be sleeved on the wheel hub in a separating way, the adjusting auxiliary plate is fixedly connected with the fixed main plate through a plurality of connecting pieces, the fixed main plate is provided with an inclined plane and a pulley groove, the inclined plane is formed between the inclined planes, the pulley groove is in a V-shaped shape with the outer width and the inner width, and the adjusting mechanism is used for adjusting the gap between the fixed main plate and the adjusting auxiliary plate to adjust the effective diameter of the driving pulley.

6. A drive arrangement for a shaker as claimed in claim 5, wherein: the connecting piece is a bolt assembly, and the number of the bolt assemblies is 4-6 and the bolt assemblies are uniformly distributed along the circumferential direction of the driving belt wheel.

7. A drive arrangement for a shaker as claimed in claim 5, wherein: the adjusting mechanism comprises adjusting base plates, and 0-3 adjusting base plates can be arranged between the fixed main plate and the adjusting auxiliary plate.

8. A drive arrangement for a shaker as claimed in claim 7, wherein: the adjusting backing plate is circular and consists of two semicircular backing plates, and the semicircular backing plates are provided with circular holes through which the connecting pieces can pass.

9. A drive arrangement for a shaker as claimed in claim 7, wherein: the adjusting auxiliary plate is further inwards sunken on the surface of one side far away from the fixed main plate, and an accommodating groove used for accommodating the adjusting base plate is formed.

10. A drive arrangement for a shaker as claimed in claim 1, wherein: the motor base comprises two support frames which are parallel to each other and arranged at intervals, two fixed cross beams which are parallel to each other and arranged at intervals are arranged between the two support frames, the driving motor is installed on the fixed cross beams, and the installation position of each fixed cross beam can be adjusted along the central axis direction of the output shaft of the driving motor.