CN216368786U - Full-angle rotary eccentric vibration exciter - Google Patents
Full-angle rotary eccentric vibration exciter Download PDFInfo
- Publication number
- CN216368786U CN216368786U CN202122792143.9U CN202122792143U CN216368786U CN 216368786 U CN216368786 U CN 216368786U CN 202122792143 U CN202122792143 U CN 202122792143U CN 216368786 U CN216368786 U CN 216368786U
- Authority
- CN
- China
- Prior art keywords
- eccentric
- eccentric block
- bearing
- rotating
- main shaft
- 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
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a full-angle rotary type eccentric vibration exciter, which comprises two rotary main shafts and a synchronous coupler connected between the two rotary main shafts, wherein a bearing seat assembly is respectively arranged on each rotary main shaft; compared with the prior art that one bearing seat assembly is only provided with one eccentric device, the bearing seat assembly of the device has better balance and stability and longer service life; the position of the auxiliary eccentric block relative to the main eccentric block is adjusted through the angle adjusting device, and the angle adjusting device has the advantages of being simple in structure, convenient to adjust, high in matching precision and the like.
Description
Technical Field
The utility model belongs to the technical field of vibration exciters, and particularly relates to a full-angle rotary type eccentric vibration exciter.
Background
The exciter is a device attached to some equipment to generate exciting force, and is an important component of mechanical vibration. The vibration exciter can also be used as an exciting part to form a vibrating machine for realizing the work of conveying, screening, compacting and molding materials or objects, tamping soil gravels and the like. The existing mechanical vibration exciter generally has eccentric blocks respectively installed at two ends of a rotating shaft to form an excitation source, and some of the existing mechanical vibration exciters use a rotating eccentric shaft as the excitation source. In the use process of equipment, in order to meet the requirements of different working conditions, the vibration exciter generally has the function of adjusting the size of the exciting force.
At present, the method for adjusting the exciting force of the existing eccentric block type vibration exciter adopts a method of replacing an auxiliary eccentric block with the same shape as an eccentric block, and because the thickness or the material of the auxiliary eccentric block is different, the eccentric mass is different, so that the generated exciting force is changed, auxiliary eccentric blocks or balancing weights with various specifications are required to be manufactured and stored, the utilization rate is low, and the resource waste is caused; meanwhile, the vibration exciters in the prior art are poor in stability, so that the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing the full-angle rotary eccentric vibration exciter which has the advantages of simple structure, convenience in adjustment, higher matching precision, good stability and long service life.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the full-angle rotary eccentric vibration exciter comprises two rotating main shafts and synchronous couplers connected between the two rotating main shafts, wherein a bearing seat assembly is installed on each rotating main shaft, eccentric devices are installed on the two sides of the bearing seat assembly on each rotating main shaft, one eccentric device is fixedly connected with the synchronous couplers, and the other eccentric device is connected to a driving device.
As a preferred technical scheme, the eccentric device comprises a rotating shaft sleeve fixed at the end part of the rotating main shaft, a main eccentric block is fixedly installed on the periphery of the rotating shaft sleeve, an auxiliary eccentric block sleeved on the periphery of the rotating shaft sleeve is installed on one side of the main eccentric block, and a balancing weight is fixedly installed on the other side of the main eccentric block; the main eccentric block and the auxiliary eccentric block are of sector structures, the rotating shaft of the auxiliary eccentric block coincides with the axis of the rotating shaft sleeve, and the main eccentric block and the auxiliary eccentric block are rotatably adjusted through an angle adjusting device.
As a preferable technical scheme, the angle adjusting device comprises positioning holes arranged on the surface of the main eccentric block, the positioning holes are circumferentially distributed along the axis of the rotating shaft sleeve, mounting holes corresponding to the positioning holes are arranged on the surface of the auxiliary eccentric block, and the positioning holes are fixedly connected with the mounting holes through adjusting bolts.
As a preferred technical scheme, the bearing seat assembly includes a bearing seat fixed on the vibrating screen casing, a support bearing is installed between the bearing seat and the rotating main shaft, bearing end covers abutting against the outer ring of the support bearing are fixed at two ends of the bearing seat respectively, an embedded rotating main shaft sleeve is installed between the bearing end covers and the rotating main shaft, the embedded rotating main shaft sleeve is fixed on the rotating main shaft, the inner end of the embedded rotating main shaft sleeve extends into the bearing end covers and abuts against the inner ring of the support bearing, a sealing packing is installed between the bearing seat and the embedded rotating main shaft sleeve in a pressing manner, and a bearing pressing plate fixed on the bearing end covers is installed on the outer side of the sealing packing.
By adopting the technical scheme, the full-angle rotary eccentric vibration exciter comprises two rotary main shafts and a synchronous coupler connected between the two rotary main shafts, wherein a bearing seat assembly is respectively arranged on each rotary main shaft, eccentric devices are respectively arranged on the rotary main shafts at two sides of the bearing seat assembly, one eccentric device is fixedly connected with the synchronous coupler, and the other eccentric device is connected to a driving device; the utility model has the beneficial effects that: under the action of the torque of the driving device, one of the rotating main shafts is driven to rotate, in the rotating motion process of the rotating main shaft, the eccentric device corresponding to the rotating main shaft can realize 360-degree full-angle rotation along with the rotating main shaft, and the other rotating main shaft and the corresponding eccentric device synchronously rotate 360 degrees full-angle through the driving of the synchronous coupler; according to the analysis of the operation yield condition of a vibration exciter in the vibration equipment, the adjustment of the exciting force of the vibration exciter can be realized by adjusting the eccentric angle of the eccentric device, and the vibration exciter is also called as a full-angle rotary adjustable eccentric vibration exciter;
1. compared with the prior art that one bearing seat assembly is only provided with one eccentric device, the bearing seat assembly of the device has better balance and stability and longer service life;
2. the position of the auxiliary eccentric block relative to the main eccentric block is adjusted through the angle adjusting device, and the angle adjusting device has the advantages of being simple in structure, convenient to adjust, high in matching precision and the like.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a schematic view of the construction of an eccentric apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a main eccentric block according to an embodiment of the present invention;
FIG. 5 is a first schematic view of an eccentric device according to an embodiment of the present invention in an adjusted state;
FIG. 6 is a second schematic view of the eccentric device of the present invention in an adjusted state;
in the figure: 1-rotating the main shaft; 2-a synchronous coupling; 3-vibrating screen shell; 4-rotating the shaft sleeve; 5-a main eccentric block; 6-auxiliary eccentric block; 7-a balancing weight; 8-positioning holes; 9-mounting holes; 10-bearing housing; 11-a support bearing; 12-a bearing end cap; 13-embedded rotary main shaft sleeve; 14-bearing press plate.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 3, the full-angle rotary eccentric vibration exciter belongs to a vibration exciter for screening equipment, and is suitable for various circular vibrating screens, linear vibrating screens and occasions with adjustable torque.
The vibration exciter of the device comprises two rotating main shafts 1 and a synchronous coupler 2 connected between the two rotating main shafts 1, wherein the two rotating main shafts 1 ensure synchronous rotating motion through the synchronous coupler 2, further ensure the torque motion trail of the vibration exciter of vibration equipment to be consistent under the synchronous action, a bearing seat assembly is respectively arranged on each rotating main shaft 1, the vibration exciter is arranged on a vibrating screen shell 3 through the bearing seat assembly, eccentric devices are respectively arranged on the two sides of the rotating main shaft 1 positioned on the bearing seat assembly, one of the eccentric devices is fixedly connected with the synchronous coupling 2, the other eccentric device is connected with a driving device, in this embodiment, the driving device is a driving motor, and the driving motor is connected to the eccentric device through a coupling, but the driving device may also be driven by hydraulic power.
The working principle of the embodiment is as follows: under the action of the torque of the driving device, one of the rotating main shafts 1 is driven to rotate, in the rotating motion process of the rotating main shaft 1, the eccentric device corresponding to the rotating main shaft 1 can realize 360-degree full-angle rotation along with the rotating main shaft 1, and the other rotating main shaft 1 and the corresponding eccentric device synchronously rotate 360 degrees full-angle through the driving of the synchronous coupler 2; according to the analysis of the operation yield condition of the vibration exciter in the vibration equipment, the excitation force of the vibration exciter can be adjusted by adjusting the eccentric angle of the eccentric device, and the vibration exciter is also called as a full-angle rotary type adjustable eccentric vibration exciter.
In this embodiment, each of the rotating spindles 1 is provided with two eccentric devices, and the two eccentric devices are located at two sides of the bearing block assembly, and four sets of eccentric devices are provided. The two sides of the bearing seat assembly are respectively provided with the eccentric devices, and the two eccentric devices are arranged in a bilateral symmetry mode. When the exciting force is adjusted, the eccentric devices at the two ends of the outer side are adjusted at first, then the eccentric devices at the two ends of the inner side are adjusted, the eccentric devices are adjusted in a same phase and same angle symmetrical mode when in rotation adjustment, and all sides of the torque of the vibration exciter can be kept consistent under the sequential adjustment.
The eccentric device comprises a rotary shaft sleeve 4 fixed at the end part of the rotary main shaft 1, the rotary shaft sleeve 4 is fixed on the rotary main shaft 1 through a locking bolt, a main eccentric block 5 is fixedly arranged at the periphery of the rotary shaft sleeve 4, the main eccentric block 5 is fixed outside the rotary shaft sleeve 4 in a welding mode, an auxiliary eccentric block 6 sleeved at the periphery of the rotary shaft sleeve 4 is arranged at one side of the main eccentric block 5, a balancing weight 7 is fixedly arranged at the other side of the main eccentric block 5, and the balancing weight 7 is also fixed on the main eccentric block 5 in a welding mode; the main eccentric block 5 and the auxiliary eccentric block 6 are both in a fan-shaped structure, the rotating shaft of the auxiliary eccentric block 6 coincides with the axis of the rotating shaft sleeve 4, and the main eccentric block 5 and the auxiliary eccentric block 6 are rotatably adjusted through an angle adjusting device. In this embodiment, referring to fig. 3 to 6, the main eccentric block 5 and the auxiliary eccentric block 6 are both in a sector structure, and during the adjustment of the auxiliary eccentric block 6, the main eccentric block 5 and the auxiliary eccentric block 6 are rotatably adjusted around the axis of the rotating shaft sleeve 4, so as to change the relative position between the main eccentric block 5 and the auxiliary eccentric block 6, i.e. adjust the eccentricity of the eccentric device. In this embodiment, the sector angles of the main eccentric block 5 and the auxiliary eccentric block 6 are different, but the sector radii of the cross sections are substantially the same, the sum of the sector angle of the auxiliary eccentric block 6 and the sector angle of the main eccentric block 5 is greater than 360 °, so that the 360 ° circular disk shape shown in fig. 5 can be assembled during the adjustment process of the auxiliary eccentric block 6 and the main eccentric block 5.
The angle adjusting device comprises positioning holes 8 arranged on the surface of the main eccentric block 5, the positioning holes 8 are circumferentially distributed along the axis of the rotating shaft sleeve 4, mounting holes 9 corresponding to the positioning holes 8 are arranged on the surface of the auxiliary eccentric block 6, and the positioning holes 8 are fixedly connected with the mounting holes 9 through adjusting bolts. The positioning holes 8 and the mounting holes 9 are circumferentially distributed along the axis of the rotating shaft sleeve 4, so that the auxiliary eccentric block 6 can be rotatably adjusted around the axis of the rotating shaft sleeve 4. The auxiliary eccentric block 6 is connected with the main eccentric block 5 through the adjusting bolt, the moment of the vibration exciter can be adjusted according to the requirements of working conditions, the requirements of owners and the requirements of design parties, so that the connecting angle of the adjusting bolt of the auxiliary eccentric block 6 and the main eccentric block 5 is adjusted, the main eccentric block 5 is arranged according to the optimized design, the full-angle connection with the auxiliary eccentric block 6 is guaranteed, and the 360-degree full-angle rotation adjustable eccentricity is achieved. The position of the auxiliary eccentric block 6 relative to the main eccentric block 5 is adjusted through the angle adjusting device, and the angle adjusting device has the advantages of being simple in structure, convenient to adjust, high in matching precision and the like.
The bearing seat assembly comprises a bearing seat body 10 fixed on a vibrating screen shell 3, a flange structure in bolted connection with the vibrating screen shell 3 is arranged at the outer end of the bearing seat body 10, a supporting bearing 11 is installed between the bearing seat body 10 and the rotating main shaft 1, in the embodiment, two supporting bearings 11 are arranged, bearing end covers 12 abutting against the outer ring of the supporting bearing 11 are respectively fixed at two ends of the bearing seat body 10, the periphery of each bearing end cover 12 is fixed at the end part of the bearing seat body 10 through bolts, an embedded rotating main shaft sleeve 13 is installed between each bearing end cover 12 and the rotating main shaft 1, the embedded rotating main shaft sleeve 13 is fixed on the rotating main shaft 1, the outer end of the embedded rotating main shaft sleeve 13 is pressed and positioned by the rotating shaft sleeve 4 to realize the fixed relation with the rotating main shaft 1, the inner end of the embedded rotary spindle sleeve 13 extends into the inner periphery of the bearing end cover 12 and is abutted against the inner ring of the support bearing 11, a groove is formed in a matching surface between the bearing seat body 10 and the embedded rotary spindle sleeve 13, a sealing packing (not shown in the figure) is pressed in the groove, a bearing pressing plate 14 fixed on the bearing end cover 12 is installed on the outer side of the sealing packing, and the bearing pressing plate 14 is fixed on the bearing end cover 12 through bolts and ensures the installation of the sealing packing. When the rotating main shaft 1 rotates, the inner ring of the supporting bearing 11, the embedded rotating main shaft sleeve 13 and the rotating shaft sleeve 4 are driven to integrally rotate, the embedded rotating main shaft sleeve 13 is used for axially fixing the supporting bearing 11 to prevent the supporting bearing 11 from moving, and is matched with a sealing packing, a bearing pressing plate 14 and the like to be used, so that a sealing effect is achieved, the integral sealing effect of the bearing seat assembly is good, and a good oil leakage prevention effect is achieved.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. Full angle rotation type eccentric vibration exciter, including two rotatory main shafts and connect two synchronous coupling between the rotatory main shaft, each install bearing frame assembly, its characterized in that on the rotatory main shaft respectively: and the two sides of the rotating main shaft, which are positioned on the bearing seat assembly, are respectively provided with an eccentric device, wherein one eccentric device is fixedly connected with the synchronous coupler, and the other eccentric device is connected to a driving device.
2. The full-angle rotary eccentric exciter of claim 1, wherein: the eccentric device comprises a rotating shaft sleeve fixed at the end part of the rotating main shaft, a main eccentric block is fixedly arranged on the periphery of the rotating shaft sleeve, an auxiliary eccentric block sleeved on the periphery of the rotating shaft sleeve is arranged on one side of the main eccentric block, and a balancing weight is fixedly arranged on the other side of the main eccentric block; the main eccentric block and the auxiliary eccentric block are of sector structures, the rotating shaft of the auxiliary eccentric block coincides with the axis of the rotating shaft sleeve, and the main eccentric block and the auxiliary eccentric block are rotatably adjusted through an angle adjusting device.
3. The full-angle rotary eccentric exciter of claim 2, wherein: the angle adjusting device comprises positioning holes arranged on the surface of the main eccentric block, the positioning holes are circumferentially distributed along the axis of the rotating shaft sleeve, mounting holes corresponding to the positioning holes are arranged on the surface of the auxiliary eccentric block, and the positioning holes are fixedly connected with the mounting holes through adjusting bolts.
4. A full-angle rotary eccentric exciter according to any of claims 1 to 3, wherein: the bearing seat assembly comprises a bearing seat body fixed on a vibrating screen shell, a supporting bearing is installed between the bearing seat body and the rotating main shaft, bearing end covers abutted against outer rings of the supporting bearing are fixed at two ends of the bearing seat body respectively, an embedded rotating main shaft sleeve is installed between the bearing end covers and the rotating main shaft and fixed on the rotating main shaft, the inner end of the embedded rotating main shaft sleeve extends into the bearing end covers and abutted against inner rings of the supporting bearing, a sealing packing is installed between the bearing seat body and the embedded rotating main shaft sleeve in a pressing mode, and a bearing pressing plate fixed on the bearing end covers is installed on the outer side of the sealing packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792143.9U CN216368786U (en) | 2021-11-15 | 2021-11-15 | Full-angle rotary eccentric vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122792143.9U CN216368786U (en) | 2021-11-15 | 2021-11-15 | Full-angle rotary eccentric vibration exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216368786U true CN216368786U (en) | 2022-04-26 |
Family
ID=81252915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122792143.9U Active CN216368786U (en) | 2021-11-15 | 2021-11-15 | Full-angle rotary eccentric vibration exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216368786U (en) |
-
2021
- 2021-11-15 CN CN202122792143.9U patent/CN216368786U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2133677C (en) | Coupling for rotary-vibratory drills | |
| US20110158745A1 (en) | Vibratory system for a compactor | |
| CN104377995B (en) | Rotate wheel non-contact exciting formula fluid kenetic energy converting device | |
| US10508401B2 (en) | Depth vibrator with adjustable imbalance | |
| CN106702862A (en) | Automatic vibration and oscillation switching mechanism and vibration and oscillation road roller | |
| CN107916608A (en) | The exciting device of vertical vibration roller | |
| CN216368786U (en) | Full-angle rotary eccentric vibration exciter | |
| CN102454151B (en) | Road roller combining vibration, oscillation and complex excitation as whole | |
| CN108060628A (en) | A kind of vibration steel wheel of ungraded amplitude road roller | |
| CN103480558B (en) | Vibrator and vibratory sieve | |
| CN201565419U (en) | Vibrator of three-shaft elliptical vibrating screen | |
| CN103015421A (en) | Hydraulic vibratory hammer device and vibration excitation method thereof | |
| CN201843056U (en) | Road roller integrating vibration, oscillation and complex excitation | |
| CN100444512C (en) | Cylinder non-contact ultrasound electric machine | |
| US4362431A (en) | Vibrating apparatus for vibratory compactors | |
| CN104631287A (en) | Vibrating wheel and vibrating road roller | |
| CN101613987A (en) | The stepless adjustable exciter of vibration roller | |
| CN101656491A (en) | In-plane modal circumferential traveling wave rotary type ultrasonic motor | |
| CN201070618Y (en) | Light vibrator | |
| CN111229586A (en) | Vibrating screen device | |
| CN1332295A (en) | Vibrating wheel for vibrating roller | |
| CN112195725B (en) | Vibration assembly and directional vibration wheel thereof | |
| CN205188769U (en) | Vibration vibration tripper and vibration road roller | |
| CN201275526Y (en) | Vertical type vibrator | |
| CN211275402U (en) | Vibrating screen device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |