CN205341261U - A centrifugal power device for screen frame - Google Patents
A centrifugal power device for screen frame Download PDFInfo
- Publication number
- CN205341261U CN205341261U CN201620092770.8U CN201620092770U CN205341261U CN 205341261 U CN205341261 U CN 205341261U CN 201620092770 U CN201620092770 U CN 201620092770U CN 205341261 U CN205341261 U CN 205341261U
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- gear
- centrifugal
- rotating shaft
- sieve nest
- block
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- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 239000011435 rock Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 230000002153 concerted effect Effects 0.000 description 4
- 235000014121 butter Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model provides a centrifugal power device for screen frame, centrifugal power device overturn eccentric shaft connecting rod formula power structure in the past completely, no longer have the complex construction of eccentric formula, and simple structure and operation are stable, easily realize the left and right sides of connected screen frame and rock, the operation in -process can be ingenious the cancel each other out of realization interact power, no longer have the eccentric formula structure impact force great to the production of its connecting piece, greatly reduced the fault rate, improved its screening efficiency greatly.
Description
Technical field
This utility model belongs to screening installation field, particularly relates to a kind of Dimensional Centrifugal Fan power apparatus for sieve nest.
Background technology
At present, for mine, the large-scale plansifter of the industries such as colliery is to drive sieve nest to carry out double swerve by eccentric shaft drivening rod and connecting rod thus realizing the screening operation to material, its basic structure is: eccentric shaft was fixed on bridge chair by bearing block, eccentric shaft connects, by connecting rod, the sieve nest that its rear portion is hinged on sieve nest bracing frame, eccentric shaft end arranges driven pulley, driven pulley connects the drive pulley on drive motor by belt, when carrying out screening operation, drive motor is by the eccentric shaft turns in belt driving band moving axis bearing, the connecting rod that is rotated through of eccentric shaft is converted into the double swerve of sieve nest thus completing screening operation.
In order to drive sieve nest and material screening thereon, just above-mentioned eccentric shaft type plansifter needs to be equipped with powerful drive motor can complete the driving of sieve nest, being usually the motor being equipped with 75KW, power consumption is big, substantially increases its screening cost；If the eccentric throw of eccentric shaft is 0.035 meter, it comes and goes is 0.07 meter, eccentric shaft rotating speed is 300 revs/min, it is 0.14 meter that one turns two strokes, 300 revs/min × 0.14=42 rice, the running speed of the sieve nest that this explanation eccentric shaft is driven by connecting rod is 42 ms/min, the deadweight of general sieve nest is 5-6 ton, sieve nest with material screening reaches terminal with the speed of 42 ms/min toward a direction promotion, need to overcome this velocity interpolation moment to return to return, the weight of material is added in the deadweight of sieve nest, moment changes the moving object with this kind of big inertia, well imagine and need connecting rod gives the moment change that very big opposing pulling force could realize speed, significantly exacerbate connecting rod, eccentric shaft, bearing block, the burden of the connectors such as gap bridge, therefore, in actual screening process, if material screening is overweight, often there is the phenomenon of rupture of above-mentioned connector, cause that this kind of eccentric power structure failure rate is higher, and Renewal process more wastes time and energy；Simultaneously in order to ensure the normal operation of this kind of eccentric type structure plansifter, ensure the normal lubrication of the junctions such as eccentric shaft, connecting rod, bearing block, need in the tank filler sleeve of its junction, regularly carry out filling butter, the tank filler sleeve of this kind of plansifter is more, and generally refuel 3 times every day, the butter expense of 3-4 ten thousand will be produced every month, substantially increase its screening cost.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, this utility model provides a kind of Dimensional Centrifugal Fan power apparatus for sieve nest, Dimensional Centrifugal Fan power apparatus overturns conventional eccentric shaft connecting rod type dynamic structure completely, no longer there is the labyrinth of centering type, simple structure and stable, easily realizes the double swerve of connected sieve nest；Running can realize interaction force cancel out each other cleverly, no longer there is the impulsive force that eccentric type structure is bigger to the generation of its connector, greatly reduce fault rate, substantially increase its screening efficiency.
For reaching above-mentioned purpose, this utility model adopts the technical scheme that: include the casing that can be fixedly installed on sieve nest, driving gear set is set in casing, one rotating shaft of driving gear set is provided with and the connection of the drive motor axle outside casing, one group of rotating shaft of driving gear set is fixing connects one group of centrifugal-block, synchronous axial system and turn to contrary between centrifugal-block.
During installation, this casing is fixedly installed on above sieve nest, rotating shaft by the drive motor of the rotating shaft connecting box external body of the driving gear set in casing, owing to devising between centrifugal-block synchronous axial system and turning to contrary, centrifugal-block can produce centrifugal force in the process rotated, when centrifugal-block is simultaneously directed to the same side of casing, under the centrifugal-block jointly centrifugal effect made a concerted effort, casing can drive trend that sieve nest produces to rock to the left and drive casing to rock to the left；In like manner, when centrifugal-block is simultaneously directed to the opposite side of casing, casing can drive sieve nest produce the trend rocked to the right and drive casing to rock to the right, and under the influence of centrifugal force, casing will drive sieve nest double swerve；When the sensing of two centrifugal-blocks is contrary, the size of the centrifugal force of two centrifugal-block generations is identical and in opposite direction, therefore according to mechanics principle, two centrifugal force are cancelled out each other, now acting on making a concerted effort on casing 1 is zero, it is successfully realized casing and drives turning to of sieve nest, it is absent from eccentric shaft type structure, in steering procedure, each connector is produced powerful impact failure power, above-mentioned centrifugal dynamic structure is entirely different with the structure of eccentric shaft type dynamic structure, achieve casing cleverly by the centrifugal-block of two synchronous axial system and drive sieve nest double swerve, the centrifugal force that centrifugal power box produces drives sieve nest to move back and forth, do not recycle eccentric shaft drivening rod and connecting rod drives sieve nest to move back and forth；Reasonably use force balance principle the direction of motion of sieve nest to be changed cleverly simultaneously, it is absent from impact failure power, greatly reduces fault rate, run more reliable and structure is more simple, greatly reduce the manufacturing cost of plansifter power set, it is simple to widely popularize.
This utility model devises, the number of gears of described driving gear set be set to 4 and be arranged on box bottom, width along sieve nest sets gradually identical gear I, gear II, gear III, gear IV, arranging the fan-shaped centrifugal-block I that position is identical respectively on gear I with the rotating shaft of gear IV, the rotating shaft of gear IV connects the rotating shaft I of external drive motors.
This utility model devises, the number of gears of described driving gear set be set to 2 and be arranged on box bottom, width along sieve nest sets gradually identical gear V, gear VI, respectively gear V, gear VI rotating shaft on the fan-shaped centrifugal-block II that position is identical is set, the rotating shaft of gear VI connects the rotating shaft II of external drive motors.
This utility model devises, the number of gears of described driving gear set is set to 5 and is arranged on box bottom, width along sieve nest sets gradually gear a, gear b, gear c, gear d, gear e, respectively at gear a, gear d, gear d, the rotating shaft of gear e arranges identical fan-shaped centrifugal-block III, fan-shaped centrifugal-block III corresponding with gear d for gear a be one group and height in its rotating shaft identical, it is identical that fan-shaped centrifugal-block III corresponding with gear e for gear b forms another group height in its rotating shaft, the fan-shaped centrifugal-block III of two groups is crisscross arranged, the rotating shaft of gear c connects the rotating shaft III of external drive motors.
Accompanying drawing explanation
Fig. 1 is the number of gears is the structural representation of 4；
Fig. 2 is the top view position one of Fig. 1；
Fig. 3 is the top view position two of Fig. 1；
Fig. 4 is the top view position three of Fig. 1；
Fig. 5 is the top view position four of Fig. 1；
Fig. 6 is the number of gears is the structural representation of 2；
Fig. 7 is the top view position one of Fig. 6；
Fig. 8 is the top view position two of Fig. 6；
Fig. 9 is the top view position three of Fig. 6；
Figure 10 is the top view position four of Fig. 6.
Figure 11 is the number of gears is the structural representation of 5；
Figure 12 is the top view position one of Figure 10；
Figure 13 is the top view position two of Figure 10；
Figure 14 is the top view position three of Figure 10；
Figure 15 is the top view position four of Figure 10.
Detailed description of the invention
Embodiment 1:
Fig. 1-Fig. 5 is the schematic diagram of the present embodiment, casing 1 is overall in sealing state, this casing 1 entirety is fixedly installed on above the sieve nest 12 of required drive, center in the bottom of casing 1 width along sieve nest 12 set gradually the gear I 2 of same size, gear II 3, gear III 4, gear IV 5, respectively identical fan-shaped centrifugal-block I 6 is set in the same position of gear I 2 with the rotating shaft middle and upper part of gear III 4, the rotating shaft top of gear IV 5 is connected by universal joint 12 rotating shaft of the drive motor being arranged on sieve nest support；
Being adjusted to identical position and angle with two fan-shaped centrifugal-blocks I 6 in gear IV 5 rotating shaft by gear I 2, it is ensured that after gear train is turned over, two fan-shaped centrifugal-blocks I 6 synchronize and symmetrical operating.
When screening, the rotating shaft of the rotating shaft driven gear IV 5 of drive motor rotates, the each gear being driven whole gear train by gear drive carries out synchronous axial system, as shown in Figure 2, the front side turning on the contrary and arriving simultaneously casing 1 of two fan-shaped centrifugal-blocks I 6, namely two fan-shaped centrifugal-blocks I 6 are simultaneously directed to the front of sieve nest, now the front of sieve nest is pointed in the direction of the centrifugal force that two fan-shaped centrifugal-blocks I 6 produce in rotation process, and the centrifugal force of generation just drives casing 1 and the sieve nest being secured to connect to move forward；
Two fan-shaped centrifugal-blocks I 6 are rotated further, namely Fig. 3 position is turned to from Fig. 2 position, in rotation process, the centrifugal force that each fan-shaped centrifugal-block I 6 produces is decomposed into the power of both direction, namely towards the power in sieve nest front and the power towards sieve nest sidepiece, more and more less along with rotating towards the power in sieve nest front, when going to Fig. 3 position, it is zero towards the power in sieve nest front, maximum towards the power of sieve nest sidepiece, now the size of two fan-shaped centrifugal-block I 6 generation centrifugal force is identical and in opposite direction, according to mechanics principle, two power towards sieve nest sidepiece are cancelled out each other, acting on making a concerted effort on whole sieve nest now by these power set is zero, the speed that sieve nest rocks toward front simultaneously reduces to zero；
Two fan-shaped centrifugal-blocks I 6 are rotated further, namely Fig. 4 position is turned to from Fig. 3 position, in rotation process, the centrifugal force that each fan-shaped centrifugal-block I 6 produces is decomposed into the power of both direction, namely towards the power at sieve nest rear and the power towards sieve nest sidepiece, increasing along with rotating towards the power at sieve nest rear, when going to Fig. 4 position, it is maximum towards the power in sieve nest front, it is zero towards the power of sieve nest sidepiece, the now size of two fan-shaped centrifugal-block I 6 generation centrifugal force, direction is all identical, the direction of centrifugal force is simultaneously directed to the rear of sieve nest, the centrifugal force produced just drives casing 1 and the sieve nest being secured to connect to move backward；
Two fan-shaped centrifugal-blocks I 6 are rotated further, namely Fig. 5 position is turned to from Fig. 4 position, in rotation process, the centrifugal force that each fan-shaped centrifugal-block I 6 produces is decomposed into the power of both direction, namely towards the power at sieve nest rear and the power towards sieve nest sidepiece, more and more less along with rotating towards the power at sieve nest rear, when going to Fig. 5 position, it is zero towards the power at sieve nest rear, maximum towards the power of sieve nest sidepiece, now the size of two fan-shaped centrifugal-block I 6 generation centrifugal force is identical and in opposite direction, according to mechanics principle, two power towards sieve nest sidepiece are cancelled out each other, acting on making a concerted effort on whole sieve nest now by these power set is zero, the speed that sieve nest rocks toward rear simultaneously reduces to zero；
Two fan-shaped centrifugal-blocks I 6 are rotated further, and turn again to Fig. 2 position from Fig. 5 position, back and forth rock hereby be achieved that sieve nest constantly carries out front and back, thus realizing screening process.
Embodiment 2:
Fig. 6-Figure 10 is the schematic diagram of the present embodiment, the number of gears of driving gear set is set to 2 and is arranged on bottom casing 1, sets gradually identical gear V 8, gear VI 9 along the width of sieve nest in the present embodiment, respectively gear V 8, gear VI 9 rotating shaft on the fan-shaped centrifugal-block II 10 that position is identical is set, the rotating shaft of gear VI 9 connects the rotating shaft II 11 of external drive motors, two fan-shaped centrifugal-blocks II 10 drive the principle that casing moves back and forth identical with above-described embodiment 1, are here no longer described in detail；In order to avoid two fan-shaped centrifugal-blocks II 10 in rotary course without impinging on two rotating shafts, so the radius of fan-shaped centrifugal-block II 10 is less than the radius of gear V 8, gear VI 9, in this example, if producing the centrifugal force same with above-mentioned example 1, comparatively speaking, this is accomplished by manufacturing the very big gear V 8 of diameter, gear VI 9, the gear of processing major diameter will improve manufacturing cost, too increasing the total quality of this kind of power set, therefore the structure of two gears of this kind is applicable to drive the less of sieve nest of weight to carry out screening operation simultaneously.
Embodiment 3:
Figure 11-Figure 15 is the schematic diagram of the present embodiment, the number of gears of described driving gear set is set to 5 and is arranged on bottom casing 1, width along sieve nest 12 sets gradually gear a13, gear b14, gear c15, gear d16, gear e17, respectively at gear a13, gear d14, gear d16, the rotating shaft of gear e17 arranges identical fan-shaped centrifugal-block III 18, fan-shaped centrifugal-block III 18 corresponding with gear d16 for gear a13 be one group and height in its rotating shaft identical, fan-shaped centrifugal-block III 18 composition another group height in its rotating shaft corresponding with gear e17 for gear b14 is identical, the fan-shaped centrifugal-block III 18 of two groups is crisscross arranged, the rotating shaft of gear c15 connects the rotating shaft III 19 of external drive motors, often the fan-shaped centrifugal-block of group drives the principle that casing moves back and forth identical with above-mentioned two example, the centrifugal force of two groups of centrifugal-block generations is bigger, this kind of centrifugal-block alternating expression structure compares with above-mentioned two example simultaneously, when all obtaining identical centrifugal force, owing to fan-shaped centrifugal-block devises 2 groups, so the diameter of the gear of this kind of structure will be less, the volume of casing also can diminish and weight simultaneously.
From above three embodiment, as long as the setting of the number of gears in gear train guarantees have two to turn to contrary and synchronous rotary centrifugal-block in fact, simultaneously, in above three embodiment, the group number of centrifugal-block could be arranged to two groups or three groups, and the setting of centrifugal-block group number will see the great centrifugal force of needs, in order to debug convenient and operate reliable, generally, the rotating shaft that often group gear train is corresponding only arranges one group of centrifugal-block group.
From the foregoing, the cancelling out each other of centrifugal force being all dependent on centrifugal-block generation that every time turn to of sieve nest realizes, casing will not be produced destructive impulsive force, overturn eccentric shaft type actuating unit completely and each connector is produced huge impulsive force, it is no longer necessary to the high-power driving motor of eccentric shaft type structure simultaneously, as long as gear set drive can get up and allow the centrifugal force that fan-shaped centrifugal-block produces sufficiently large, test proves that, the power 7.5KW of drive motor herein, and the drive motor of eccentric shaft type dynamic structure needs 75KW, as can be seen here, this kind of centrifugal structure greatly reduces the power consumption of drive motor, greatly reduce screening cost；Adding lubricating oil in casing simultaneously and meet the transmission lubrication between gear, no longer as centrifugal structure, every day fills butter three times, is greatly saved manpower and materials, greatly reduces the use cost of sieve nest with this kind of box-type dynamic structure.
Claims (4)
1. the Dimensional Centrifugal Fan power apparatus for sieve nest, it is characterized in that: include the casing (1) that can be fixedly installed on sieve nest (12), in casing (1), driving gear set is set, one rotating shaft of driving gear set is provided with the connection of the drive motor axle outside with casing (1), one group of rotating shaft of driving gear set is fixing connects one group of centrifugal-block, synchronous axial system and turn to contrary between centrifugal-block.
2. a kind of Dimensional Centrifugal Fan power apparatus for sieve nest according to claim 1, it is characterized in that: the number of gears of described driving gear set is set to 4 and is arranged on casing (1) bottom, sets gradually identical gear I (2), gear II (3), gear III (4), gear IV (5) along the width of sieve nest (12), arranging the identical fan-shaped centrifugal-block in position I (6) respectively on gear I (2) with the rotating shaft of gear IV (5), the rotating shaft of gear IV (5) connects the rotating shaft I (7) of external drive motors.
3. a kind of Dimensional Centrifugal Fan power apparatus for sieve nest according to claim 1, it is characterized in that: the number of gears of described driving gear set is set to 2 and is arranged on casing (1) bottom, sets gradually identical gear V (8), gear VI (9) along the width of sieve nest (12), respectively gear V (8), gear VI (9) rotating shaft on the identical fan-shaped centrifugal-block in position II (10) is set, the rotating shaft of gear VI (9) connects the rotating shaft II (11) of external drive motors.
4. a kind of Dimensional Centrifugal Fan power apparatus for sieve nest according to claim 1, it is characterized in that: the number of gears of described driving gear set is set to 5 and is arranged on casing (1) bottom, width along sieve nest (12) sets gradually gear a (13), gear b (14), gear c (15), gear d (16), gear e (17), respectively in gear a (13), gear d (14), gear d (16), the rotating shaft of gear e (17) arranges identical fan-shaped centrifugal-block III (18), fan-shaped centrifugal-block III (18) corresponding for gear a (13) and gear d (16) be one group and height in its rotating shaft identical, it is identical that centrifugal-block III (18) corresponding for gear b (14) and gear e (17) forms another group height in its rotating shaft, the fan-shaped centrifugal-block III (18) of two groups is crisscross arranged, the rotating shaft of gear c (15) connects the rotating shaft III (19) of external drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092770.8U CN205341261U (en) | 2016-01-31 | 2016-01-31 | A centrifugal power device for screen frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620092770.8U CN205341261U (en) | 2016-01-31 | 2016-01-31 | A centrifugal power device for screen frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205341261U true CN205341261U (en) | 2016-06-29 |
Family
ID=56182589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620092770.8U Expired - Fee Related CN205341261U (en) | 2016-01-31 | 2016-01-31 | A centrifugal power device for screen frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205341261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436080A (en) * | 2016-01-31 | 2016-03-30 | 刘运学 | Centrifugal type power device for screen body |
-
2016
- 2016-01-31 CN CN201620092770.8U patent/CN205341261U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436080A (en) * | 2016-01-31 | 2016-03-30 | 刘运学 | Centrifugal type power device for screen body |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 |