CN211275402U - Vibrating screen device - Google Patents
Vibrating screen device Download PDFInfo
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- CN211275402U CN211275402U CN201921289029.0U CN201921289029U CN211275402U CN 211275402 U CN211275402 U CN 211275402U CN 201921289029 U CN201921289029 U CN 201921289029U CN 211275402 U CN211275402 U CN 211275402U
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- Prior art keywords
- eccentric
- vibrating screen
- eccentric shaft
- bearing
- spiral
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Abstract
A vibrating screen device comprises a driving device, an eccentric shaft, an eccentric balancing component, a vibrating screen, a servo linear motion system and a spiral mandrel, wherein the driving device is fixedly connected with the eccentric balancing component and drives the eccentric balancing component to rotate synchronously; the eccentric shaft is provided with an axis through hole, the spiral mandrel is fixedly arranged in the axis through hole in the circumferential direction and can be movably arranged in the axial direction, a servo actuating mechanism of the servo linear motion system is connected with the spiral mandrel in a circumferential rotating mode and in an axial fixed mode, the eccentric balance part is connected with the spiral mandrel through a matching structure of a spiral groove and a convex block, the axial movement of the spiral mandrel drives the eccentric shaft to rotate relative to the circumferential direction of the eccentric balance part, the circumferential angle adjustment of the eccentric shaft and the eccentric balance part is achieved, and the eccentric amount and the exciting force are adjusted.
Description
Technical Field
The utility model belongs to the technical field of vibrating device, concretely relates to vibrating screen device.
Background
The vibrating screen device is widely applied to industries such as metallurgical mines, industrial production, engineering construction and the like, and is used for realizing screening, conveying and the like of objects. The vibration exciter is the core part of the vibrating screen device and is the generating source of the exciting force. The vibration exciter used on the existing vibrating screen device can only control the rotating speed of the exciting motor to control the vibration frequency, and the exciting force is not easy to adjust or a user cannot adjust the exciting force after the vibrating screen device leaves a factory. Therefore, the vibrating screen devices on the market have the following disadvantages: firstly, the excitation motor is started under larger eccentricity, namely excitation force, and because the starting load is large, the current of the excitation motor is increased, electrical elements can be easily burnt or the motor can be easily damaged; secondly, the vibrating screen device passes through a resonance point when being started and stopped, so that the vibrating screen device is greatly damaged, the service life of the vibrating screen device is greatly shortened, and the vibrating screen device is one of the main reasons for damage of the existing vibrating screen device; and thirdly, when no material exists on the vibrating screen device, the vibrating screen device still works under the condition of keeping large exciting force, and energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an exciting force adjustable at any time shale shaker device.
A vibrating screen device comprises a driving device (2), an eccentric shaft (12), an eccentric balance part (3), a vibrating screen (13), a servo linear motion system (8) and a spiral mandrel (9), wherein the driving device (2) is fixedly connected with the eccentric balance part (3) and drives the eccentric balance part (3) to synchronously rotate; an axis through hole is formed in the eccentric shaft (12), the spiral mandrel (9) is fixedly arranged in the axis through hole in the circumferential direction and movably arranged in the axial direction, and a servo executing mechanism (17) of the servo linear motion system (8) is connected with the spiral mandrel (9) in a circumferential rotating manner and is fixedly connected in the axial direction to drive the spiral mandrel (9) to move in the axial direction; the eccentric balance part (3) is arranged on the outer side of at least one end of the eccentric shaft (12), and the eccentric balance part (3) is connected with the eccentric shaft (12) in a circumferential rotating manner and in an axial fixed manner; the eccentric balance part (3) is connected with the spiral mandrel (9) through a matching structure of a spiral groove and a convex block, the axial movement of the spiral mandrel (9) drives the circumferential direction of the eccentric balance part (3) to rotate relative to the eccentric shaft (12), the circumferential angle adjustment of the eccentric shaft (12) and the eccentric balance part (3) is realized, and further the eccentric amount and the excitation force are adjusted.
In order to balance the vibrating screen device left and right, the eccentric balancing member (3) is disposed outside both ends of the eccentric shaft (12). The matching structures of the eccentric balance component (3), the spiral mandrel (9) and the eccentric shaft (12) on the two sides are the same.
The eccentric balancing member (3) may be an eccentric member of any configuration, preferably an eccentric.
The eccentric balance part (3) is connected with the eccentric shaft (12) in a circumferential rotating way, and the axial fixed connection can be realized through bearing connection. The inner ring of the second bearing (16) is fixedly connected with the left end of the eccentric shaft (12); and the outer ring of the second bearing (16) is fixedly connected with the inner hole wall of the eccentric balance component (3).
Furthermore, a second bearing cover (10) is arranged on the outer side of the second bearing (16), the second bearing cover (10) is pressed against the inner ring of the second bearing (16), and the second bearing cover (10) fixedly installs the second bearing (16) on the eccentric shaft (12).
In order to realize that the eccentric balance part (3) is connected with the spiral mandrel (9) through a matching structure of a spiral groove and a convex block.
The first mode is as follows: the eccentric balance part (3) end face is fixedly provided with an adjusting gland (1) with a through hole, and the spiral mandrel (9) penetrates through the adjusting gland through hole and is connected with the adjusting gland (1) through a matching structure of a spiral groove and a convex block.
The matching structure of the spiral groove and the lug can be as follows: spiral dabber (9) end section sets up first spiral groove (91), set up in the adjustment gland through-hole with first spiral groove (91) complex first lug (11).
The spiral core shaft (9) is provided with a first straight line groove (92) at the joint of the inner side of the first spiral groove (91) and the eccentric shaft (12), an eccentric shaft through hole (121) is formed at the position of the eccentric shaft (12) corresponding to the first straight line groove (92), and a guide block (122) is arranged in the eccentric shaft through hole (121) and the first straight line groove (92). The matching structure of the guide block (122) and the first linear groove (92) can enable the spiral core shaft (9) and the eccentric shaft (12) to be movably connected in the axial direction and fixedly connected in the circumferential direction.
In order to increase the connection strength, it is preferable that the eccentric shaft through hole (121) is rectangular, and the guide block (122) is rectangular, so that the force-bearing area with the first linear groove (92) is increased.
The matching structure of the spiral groove and the lug can also be as follows: and a second spiral groove is arranged in the through hole of the adjusting gland, and a spiral lug matched with the second spiral groove is arranged at the end head section of the spiral mandrel (9).
The driving device (2) can be an output shaft of an excitation motor or a belt pulley and the like. The output shaft of the motor is directly connected to the left eccentric balance component (3) through a coupler; the belt pulley transmits the rotation of the exciting motor to the left eccentric balance part (3) through a belt. Preferably, pulleys are used. The belt pulley is fixedly connected with the left eccentric balance component (3).
The servo actuating mechanism (17) is connected with the spiral mandrel (9) in a circumferential rotating mode, and the axial fixed connection can be achieved through bearing connection. The inner ring of the first bearing (14) is fixedly connected with the right end of the spiral mandrel (9); the outer ring of the first bearing (14) is fixedly connected with the servo actuator (17). The structure enables the servo actuator (17) to synchronously act with the spiral mandrel (9) in the axial direction, but does not rotate with the spiral mandrel (9) in the radial direction, and prevents the excitation motor from transmitting the rotation to the servo linear actuator (17) through the spiral mandrel (9).
The servo linear motion system (8) can be a hydraulic cylinder, an air cylinder or a servo linear motor, and correspondingly, the servo actuating mechanism (17) is a hydraulic rod, an air cylinder rod or a screw rod. The servo linear motion system (8) controls the axial position of the servo actuator (17) and locks at any position in the stroke range.
Preferably, the servo linear motion system (8) is a servo linear motor, and the servo actuator (17) is a screw.
The vibrating screen (13) is fixedly connected with the eccentric shaft shell (6).
One way is that: the eccentric shaft (12) is mounted on the bearing block (5) through a third bearing (15); preferably, the gland (4) is used for fixedly mounting the third bearing (15) on the bearing seat (5); an eccentric shaft shell (6) is arranged outside the eccentric shaft (12); the bearing seat (5) is fixedly arranged on the eccentric shaft shell (6); the vibrating screen (13) is fixedly connected with the bearing seat (5), and the vibrating screen (13) is fixedly connected with the eccentric shaft shell (6).
Preferably, the servo linear motion system (8) is fixedly mounted on the vibrating screen device through a mounting seat (7).
In order to fix the servo linear motion system (8), one possible way is to: the servo linear motion system (8) is provided with a mounting seat (7), and the mounting seat (7) is fixedly connected with the eccentric shaft shell (6).
The utility model provides a vibrating screen device, its working process is:
the vibration excitation motor drives the driving device (2) to rotate, the driving device (2) drives the eccentric balance part (3) to synchronously rotate, and the eccentric shaft (12) is driven to synchronously rotate under the connecting action of the guide block (122) to generate a vibration excitation force, so that the vibrating screen vibrates to screen materials; when the exciting force needs to be adjusted, the servo linear motion system (8) is started to drive the servo actuating mechanism (17) to linearly move, the spiral mandrel (9) is driven to axially move, the eccentric balance part (3) is driven to rotate relative to the eccentric shaft (12) in the circumferential direction under the action of the matching structure of the spiral groove and the convex block, the relative included angle between the eccentric balance part (3) and the eccentric shaft (12) is adjusted, the eccentric amount is changed, and the purpose of adjusting the exciting force is achieved.
The centrifugal force calculation formula of the eccentric balance part (3) and the eccentric shaft (12) is as follows:
F＝meω2
wherein m is the mass of the rotating member, m2The mass of the left and right eccentric balance parts (3)Sum of quantities e2Is the radial center of mass of the eccentric balance part (3), m1Is the mass of the eccentric shaft (12), e1The mass center of the eccentric shaft (12) is radial, and omega is the angular speed of rotation.
When the eccentric wheel (3) is adjusted to be 0 degree with the eccentric shaft (12), the exciting force of the vibrating screen device is F ═ m1e1ω2+m2e2ω2At this time, the excitation force is maximized.
When the eccentric wheel (3) is adjusted to be 180 degrees with the eccentric shaft (12), the exciting force of the vibrating screen device is F ═ m1e1ω2-m2e2ω2At which time the excitation force is minimal. When m is1e1ω2＝m2e2ω2And when the vibration sieve device is used, the diameter of the mass center of the vibration sieve device is 0, and the exciting force of the vibration sieve device is 0 at the moment.
Compared with the prior art, the utility model provides a vibrating screen device can adjust the exciting force of vibration exciter in real time at the vibrating screen working process. And the adjustment process does not need any state condition, and the eccentric quantity can be controlled under the static condition or any rotating speed of the exciting motor to achieve the purpose of adjusting the exciting force. The following technical tasks can be achieved:
(1) when the device works, the eccentric size, namely the exciting force can be adjusted at any rotating speed.
(2) When the motor is started, the exciting force can be adjusted to be minimum, the starting load of the exciting motor is reduced, the motor is protected, and the service life is prolonged.
(3) When the vibration exciter is started or stopped, the vibration exciter exciting force is adjusted to quickly pass through a resonance point of the vibration screen, so that the vibration screen is effectively protected.
(4) The sensor can be loaded on the vibrating screen device, the amount or the existence of the materials on the vibrating screen can be sensed according to the sensor on the vibrating screen device, the exciting force is automatically controlled, and the purpose of energy conservation is achieved.
(5) The vibration force adjustment of the vibrating screen device is matched with the electrical control, so that the vibrating screen device is simple and convenient, and is more suitable for automatic control in the using process of the vibrating screen.
Drawings
FIG. 1 is a schematic structural view of the vibrating screen apparatus of the present invention;
FIG. 2 is an exploded view of the connection between the spiral core shaft and other components;
FIG. 3 is a schematic axial sectional view of the maximum excitation force;
fig. 4 is an axial sectional structural view when an exciting force is minimized.
The eccentric balance mechanism comprises a bearing cover 1, an adjusting gland 11, a convex block 2, a driving device 3, an eccentric balance part 4, a bearing gland 5, a bearing seat 6, an eccentric shaft shell 7, a mounting seat 8, a servo linear motion system 9, a spiral mandrel 91, a spiral groove 92, a linear groove 10, a second bearing gland 12, an eccentric shaft 122, a guide block 121, an eccentric shaft through hole 13, a vibrating screen 14, a first bearing 15, a third bearing 16, a second bearing 17 and a servo executing mechanism
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, the vibrating screen device comprises a driving device 2, wherein the driving device 2 is a belt pulley, an eccentric shaft 12, an eccentric wheel 3, a vibrating screen 13, a servo linear motion system 8 and a spiral mandrel 9, and the belt pulley is fixedly connected with the eccentric wheel 3 and drives the eccentric wheel 3 to rotate synchronously.
A servo actuator 17 of the servo linear motion system 8 is connected with the spiral mandrel 9 in a circumferential rotation manner and in an axial fixed manner, and drives the spiral mandrel 9 to move axially; the eccentric wheels 3 are arranged at the outer sides of two ends of the eccentric shaft 12, and the eccentric wheels 3, the spiral core shaft 9 and the eccentric shaft 12 at the outer sides of the two ends have the same matching structure.
The eccentric wheel 3 is connected with the eccentric shaft 12 through a second bearing 16, and the inner ring of the second bearing 16 is fixedly connected with the end part of the eccentric shaft 12; the outer ring of the second bearing 16 is fixedly connected with the inner hole wall of the eccentric wheel 3. A second bearing cap 10 is arranged on the outside of the second bearing 16, the second bearing cap 10 presses against the inner ring of the second bearing 16, and the second bearing cap 10 fixedly mounts the second bearing 16 on the eccentric shaft 12.
The eccentric wheel 3 is connected with the spiral mandrel 9 through a matching structure of a spiral groove and a convex block, the axial movement of the spiral mandrel 9 drives the circumferential direction of the eccentric balance part 3 to rotate relative to the eccentric shaft 12, the circumferential angle adjustment of the eccentric shaft 12 and the eccentric balance part 3 is realized, and the eccentric amount and the excitation force are further adjusted.
In order to realize that the eccentric wheel 3 is connected with the spiral mandrel 9 through a matching structure of a spiral groove and a lug. The specific connection mode is as follows: the end face of the eccentric wheel 3 is fixedly provided with an adjusting gland 1 provided with a through hole, and the spiral mandrel 9 penetrates through the adjusting gland through hole and is connected with the adjusting gland 1 through a matching structure of a spiral groove and a convex block.
As shown in fig. 2, the matching structure of the spiral groove and the projection may be: the end head section of the spiral mandrel 9 is provided with a first spiral groove 91, and a lug 11 matched with the first spiral groove 91 is arranged in the through hole of the adjusting gland.
The eccentric shaft 12 is provided with an axis through hole, the spiral mandrel 9 is fixedly arranged in the axis through hole in the circumferential direction and movably arranged in the axial direction, and the specific connection mode is as follows: the spiral mandrel 9 is provided with a first straight groove 92 at the connection position between the inner side of the first spiral groove 91 and the eccentric shaft 12, a rectangular eccentric shaft through hole 121 is provided at the position corresponding to the position of the first straight groove 92 on the eccentric shaft 12, and a rectangular guide block 122 is installed in the eccentric shaft through hole 121 and the first straight groove 92. The matching structure of the guide block 122 and the first linear groove 92 can make the spiral spindle 9 and the eccentric spindle 12 movably connected in the axial direction and fixedly connected in the circumferential direction.
The servo actuator 17 is connected with the spiral mandrel 9 through a first bearing 14, and the inner ring of the first bearing 14 is fixedly connected with the right end of the spiral mandrel 9; the outer ring of the first bearing 14 is fixedly connected with the servo actuator 17. This arrangement enables the servo actuator 17 to act axially in synchronism with the helical spindle 9 but not radially in rotation with the helical spindle 9, preventing the excitation motor from transmitting rotation to the servo linear actuator 17 through the helical spindle 9.
The servo linear motion system 8 is a servo linear motor, and the servo actuator 17 is a screw rod.
The concrete way of fixedly connecting the vibrating screen 13 and the eccentric shaft 12 is as follows: the eccentric shaft 12 is mounted to the bearing housing 5 by a third bearing 15, and the third bearing 15 is fixedly mounted to the bearing housing 5 using the gland 4. An eccentric shaft shell 6 is arranged outside the eccentric shaft 12; the bearing seat 5 is fixedly arranged on the eccentric shaft shell 6; the vibrating screen 13 is fixedly connected with the bearing seat 5, and the vibrating screen 13 is fixedly connected with the eccentric shaft shell 6.
The servo linear motion system 8 is fixedly mounted on the vibrating screen device through a mounting seat 7, as shown in fig. 1, the servo linear motion system 8 is provided with the mounting seat 7, and the mounting seat 7 is fixedly connected with the eccentric shaft housing 6.
The utility model provides a vibrating screen device, its working process is:
the exciting motor drives the belt pulley to rotate, the belt pulley drives the eccentric wheel 3 to synchronously rotate, and the eccentric shaft 12 is driven to synchronously rotate under the connecting action of the guide block 122 to generate exciting force, so that the vibrating screen vibrates to screen materials; when the exciting force needs to be adjusted, the servo linear motion system 8 is started to drive the servo actuating mechanism 17 to move linearly, so as to drive the spiral mandrel 9 to move axially, and under the action of the matching structure of the spiral groove and the convex block, the eccentric wheel 3 is driven to rotate relative to the eccentric shaft 12 in the circumferential direction, so that the relative included angle between the eccentric wheel 3 and the eccentric shaft 12 is adjusted, the eccentric amount is changed, and the purpose of adjusting the exciting force is achieved.
The centrifugal force calculation formula of the eccentric wheel 3 and the eccentric shaft 12 is as follows:
F＝meω2
wherein m is the mass of the rotating member, m2Is the sum of the masses of the left and right eccentric balance members 3, e2Is the centroid radial direction, m, of the eccentric wheel 31Mass of the eccentric shaft 12, e1The centroid of the eccentric shaft 12 is radial, and ω is the angular velocity of rotation.
When the eccentric 3 is adjusted to be 0 degrees with the eccentric shaft 12, the exciter exciting force is F-m, as shown in figure 31e1ω2+m2e2ω2At this time, the excitation force is maximized.
When the eccentric 3 is adjusted to 180 degrees with the eccentric shaft 12, the exciter exciting force is F-m, as shown in fig. 41e1ω2-m2e2ω2At which time the excitation force is minimal. When m is1e1ω2＝m2e2ω2And when the vibration sieve device is used, the diameter of the mass center of the vibration sieve device is 0, and the exciting force of the vibration sieve device is 0 at the moment.
Example 2:
the same as embodiment 1, except that another specific way of connecting the eccentric wheel 3 and the spiral mandrel 9 through the matching structure of the spiral groove and the lug is as follows: and a second spiral groove is arranged in the through hole of the adjusting gland, and a spiral lug matched with the second spiral groove is arranged at the end head section of the spiral mandrel 9.
Example 3:
the same as embodiment 1, except that the servo linear motion system 8 is a hydraulic cylinder and the servo actuator 17 is a hydraulic rod.
Example 4:
the same as embodiment 1, except that the servo linear motion system 8 is an air cylinder and the servo actuator 17 is an air cylinder rod.
Claims (18)
1. A vibrating screen device comprises a driving device (2), an eccentric shaft (12), an eccentric balance part (3) and a vibrating screen (13), and is characterized by further comprising a servo linear motion system (8) and a spiral mandrel (9), wherein the driving device (2) is fixedly connected with the eccentric balance part (3); an axle center through hole is formed in the eccentric shaft (12), the spiral mandrel (9) is fixedly arranged in the axle center through hole in the circumferential direction and movably arranged in the axial direction, and a servo executing mechanism (17) of the servo linear motion system (8) is connected with the spiral mandrel (9) in a circumferential rotating mode and is fixedly connected in the axial direction; the eccentric balance part (3) is arranged on the outer side of at least one end of the eccentric shaft (12), and the eccentric balance part (3) is connected with the eccentric shaft (12) in a circumferential rotating manner and in an axial fixed manner; the eccentric balance part (3) is connected with the spiral mandrel (9) through a matching structure of a spiral groove and a convex block.
2. Vibrating screen device according to claim 1, characterised in that the eccentric balancing member (3) is arranged outside both ends of the eccentric shaft (12).
3. A vibrating screen device as claimed in claim 2, characterised in that the eccentric balancing member (3) is an eccentric.
4. A vibrating screen unit as claimed in claim 3, characterised in that the eccentric balance member (3) is connected to the eccentric shaft (12) by means of a second bearing (16), the inner ring of which bearing (16) is fixedly connected to the left end of the eccentric shaft (12); and the outer ring of the second bearing (16) is fixedly connected with the inner hole wall of the eccentric balance component (3).
5. Vibrating screen device according to claim 4, characterised in that a second bearing cap (10) is arranged outside the second bearing (16), which second bearing cap (10) bears against the inner ring of the second bearing (16), which second bearing cap (10) fixedly mounts the second bearing (16) on the eccentric shaft (12).
6. The vibrating screen device as claimed in claim 5, characterized in that the eccentric balance member (3) is fixedly provided with an adjusting gland (1) having a through hole at an end surface thereof, and the spiral mandrel (9) passes through the adjusting gland through hole and is connected with the adjusting gland (1) through a matching structure of a spiral groove and a projection.
7. The vibrating screen device as claimed in claim 6, characterised in that the spiral mandrel (9) end section is provided with a first spiral groove (91), and in the adjustment gland through hole is provided a projection (11) cooperating with the first spiral groove (91).
8. The vibrating screen device as claimed in claim 6, characterised in that a second helical groove is provided in the adjustment gland through hole, and the end section of the helical mandrel (9) is provided with a helical projection cooperating with the second helical groove.
9. A vibrating screen assembly as claimed in claim 7, characterised in that the screw mandrel (9) is provided with a first rectilinear groove (92) at the connection with the eccentric shaft (12) inside the first helical groove (91), an eccentric shaft through hole (121) is provided at the eccentric shaft (12) in correspondence of the position of the first rectilinear groove (92), and a guide block (122) is mounted in the eccentric shaft through hole (121) and the first rectilinear groove (92).
10. Vibrating screen assembly, as in claim 9, characterized in that said eccentric shaft through hole (121) is oblong and said guide block (122) is oblong.
11. Vibrating screen device according to any of claims 1-10, characterised in that the driving means (2) is a pulley fixedly connected to the eccentric balancing member (3) on the left side.
12. A vibrating screen device as claimed in claim 11, characterised in that the servo actuator (17) is connected to the helical mandrel (9) by means of a first bearing (14), the inner race of the first bearing (14) being fixedly connected to the right end of the helical mandrel (9); the outer ring of the first bearing (14) is fixedly connected with the servo actuator (17).
13. A vibrating screen assembly as claimed in claim 12, characterised in that the servo linear motion system (8) is a hydraulic cylinder and the servo actuator (17) is a hydraulic rod.
14. A vibrating screen assembly as claimed in claim 12, characterised in that the servo linear motion system (8) is a pneumatic cylinder and the servo actuator (17) is a pneumatic cylinder rod.
15. A vibrating screen arrangement as claimed in claim 12, characterised in that the servo linear motion system (8) is a servo linear motor and the servo actuator (17) is a screw.
16. Vibrating screen device as claimed in claim 15, characterised in that the eccentric shaft (12) is mounted to a bearing block (5) by means of a third bearing (15); fixedly mounting a third bearing (15) on the bearing seat (5) by using a gland (4); an eccentric shaft shell (6) is arranged outside the eccentric shaft (12); the bearing seat (5) is fixedly arranged on the eccentric shaft shell (6); the vibrating screen (13) is fixedly connected with the bearing seat (5), and the vibrating screen (13) is fixedly connected with the eccentric shaft shell (6).
17. A vibrating screen arrangement as claimed in claim 16, characterised in that the servo linear motion system (8) is fixedly mounted to the vibrating screen arrangement by means of a mounting (7).
18. Vibrating screen device according to claim 17, characterised in that the mounting seat (7) is fixedly connected with the eccentric shaft housing (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289029.0U CN211275402U (en) | 2019-08-09 | 2019-08-09 | Vibrating screen device |
| PCT/CN2020/105182 WO2021027561A1 (en) | 2019-08-09 | 2020-07-28 | Vibrating screen apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921289029.0U CN211275402U (en) | 2019-08-09 | 2019-08-09 | Vibrating screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211275402U true CN211275402U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921289029.0U Active CN211275402U (en) | 2019-08-09 | 2019-08-09 | Vibrating screen device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211275402U (en) |
| WO (1) | WO2021027561A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229586A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibrating screen device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152943A (en) * | 1978-02-24 | 1979-05-08 | Ingersoll-Rand Company | Vibratory mechanism |
| FR2538825A1 (en) * | 1983-01-04 | 1984-07-06 | Richier Nouvelle Indle | Compacting roller with a vibrating wheel |
| US20110158745A1 (en) * | 2009-12-31 | 2011-06-30 | Caterpillar Paving Products Inc. | Vibratory system for a compactor |
| US8393826B1 (en) * | 2011-08-31 | 2013-03-12 | Caterpillar Inc. | Apparatus for transferring linear loads |
| CZ2012173A3 (en) * | 2012-03-12 | 2013-08-14 | Ammann Czech Republic, A. S. | Vibration system for soil compacting earth moving machine and earth moving machine provided with such a vibration system and co |
| CN105598024A (en) * | 2016-03-11 | 2016-05-25 | 张辉 | Torque-adjustable vibration exciter |
| CN111229586A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibrating screen device |
-
2019
- 2019-08-09 CN CN201921289029.0U patent/CN211275402U/en active Active
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2020
- 2020-07-28 WO PCT/CN2020/105182 patent/WO2021027561A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111229586A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibrating screen device |
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| Publication number | Publication date |
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| WO2021027561A1 (en) | 2021-02-18 |
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