CN217873980U - Vibration reduction mechanism of generator set - Google Patents
Vibration reduction mechanism of generator set Download PDFInfo
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- CN217873980U CN217873980U CN202221733558.7U CN202221733558U CN217873980U CN 217873980 U CN217873980 U CN 217873980U CN 202221733558 U CN202221733558 U CN 202221733558U CN 217873980 U CN217873980 U CN 217873980U
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- rubber pad
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- generator
- damping rubber
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000009467 reduction Effects 0.000 title abstract description 34
- 238000013016 damping Methods 0.000 claims abstract description 118
- 229920001971 elastomer Polymers 0.000 claims abstract description 101
- 239000005060 rubber Substances 0.000 claims abstract description 101
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Vibration Prevention Devices (AREA)
Abstract
The utility model relates to a generating set damping mechanism, generating set includes aircraft nose and generator, damping mechanism is including connecting at the first damping subassembly of aircraft nose downside and connecting the second damping subassembly at the generator downside, first damping subassembly includes two at least connection aircraft nose connecting seats, first damping rubber pad is connected to the connecting seat downside, first damping rubber pad all connects the supporting beam, second damping rubber pad is connected to the supporting beam downside, second damping rubber pad is the third damping rubber pad that is connected to generator base downside, second damping rubber pad with generating set's installing support is connected to third damping rubber pad, generating set damping mechanism adopts dual damping, can effectual reduction generating set's vibration range, makes the generating set amplitude be less than the requirement greatly to guarantee generating set reliability of operation.
Description
Technical Field
The utility model relates to a vibration damper especially relates to a generating set damping mechanism.
Background
The generator set is a device which drives a crankshaft of a generator to rotate through a power machine, converts energy in other forms into electric energy by utilizing an electromagnetic induction principle, can generate vibration when in operation, and when the generator set is installed on a transfer vehicle, the vehicle is subjected to impact and vibration when the vehicle moves in a driving state, the single amplitude value of the vibration of the generator set is generally required to be not more than 0.5mm when in operation, if the amplitude is overlarge, the generator set can be affected badly, so that the reliability of the generator set is reduced, the generator set is subjected to vibration reduction treatment, a special device is additionally arranged on the generator set, so that the generator set and a vibration body can absorb or consume vibration energy in interaction, the vibration intensity of the vibration body is reduced, the vibration reduction is divided into active vibration reduction and passive vibration reduction, and the active vibration reduction which supports the vibration reduction device to work by means of energy provided by an additional energy source is required; the passive vibration reduction is realized without an energy device outside the system to support the vibration reduction device; the active vibration reduction is composed of a sensor, a controller and an action unit, has complex structure and high cost, is mainly applied to the vibration reduction of high-precision equipment, and generally adopts the passive vibration reduction which has simple structure, reliable work and easy realization, namely generally adopts the vibration reduction of installing a vibration reduction pad between the generator set and an installation bracket; the traditional method is that the same vibration damping pads are connected to the lower sides of the machine head and the generator set for vibration damping, so that the vibration damping requirement at the generator end can be met, the vibration damping requirement of the machine head can not be met, and the problem of vibration unbalance is caused; or the larger damping pad is designed according to the amplitude of the machine head end, so that the two ends of the damping pad meet the damping requirement, but the damping waste is caused to the generator end, and the required installation space is larger due to the connection of the larger damping pad.
SUMMERY OF THE UTILITY MODEL
To address the above-discussed shortcomings of the prior art, it is an object of the present invention to provide a generator set damping mechanism to address one or more of the problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a generating set damping mechanism, generating set includes aircraft nose and generator, damping mechanism is including connecting at the first damping subassembly of aircraft nose downside and connecting the second damping subassembly in the generator downside, first damping subassembly includes two at least connection aircraft nose connecting seats, first damping rubber pad is connected to the connecting seat downside, first damping rubber pad all connects the supporting beam, second damping rubber pad is connected to the supporting beam downside, second damping subassembly is for being connected to the third damping rubber pad of generator base downside, second damping rubber pad with the installing support of generating set is connected to third damping rubber pad.
As a further improvement of the technical scheme:
the first, second and third vibration-damping rubber pads each include a rubber pad body and a connecting screw.
The rubber cushion body comprises a cylindrical rubber section in the middle and a disc rubber supporting table connected with the upper side and the lower side of the cylindrical rubber section, and the diameter of the disc rubber supporting table is larger than that of the cylindrical rubber section.
The connecting seat is L-shaped, one side plate of the connecting seat in the L shape passes through the machine head which is detachable through a bolt, the other side plate of the connecting seat is provided with a first connecting hole which is connected with a connecting screw rod of the first vibration damping rubber pad, and the first vibration damping rubber pad is detachably connected with the connecting seat through a connecting screw rod matched nut.
The first connecting hole is a long round hole which is longitudinally arranged.
And a reinforcing rib plate is welded between the two side plates of the L-shaped connecting seat.
The supporting cross beam and a connecting screw rod of the generator base matched with the second vibration-damping rubber pad and the third vibration-damping rubber pad are also respectively provided with a second connecting hole and a third connecting hole, the second vibration-damping rubber pad is detachably connected with the supporting cross beam through a connecting screw rod matched nut, and the third vibration-damping rubber pad is detachably connected with the generator base through a connecting screw rod matched nut.
The supporting beam is C-shaped steel with a downward opening, and the second vibration-damping rubber pad is partially penetrated in the opening of the C-shaped steel.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
1) Because the vibration amplitude of the general generator position of the generator set is smaller and the vibration amplitude at the generator head is larger, the utility model discloses connect the third vibration-damping rubber pad symmetrically at the generator base downside, connect the first vibration-damping rubber pad through the connecting seat at the generator head downside and connect the second vibration-damping rubber pad through the crossbeam, namely the generator position adopts a heavy vibration damping, the generator head position adopts the double vibration damping, can effectively reduce the vibration, make the generator set amplitude greatly lower than the requirement, thus guarantee the reliability of the generator set, and two generator head ends and generator end adopt different vibration-damping structures, make the vibration damping balanced; in addition, the required installation space is small;
2) The first vibration damping rubber pad, the second vibration damping rubber pad and the third vibration damping rubber pad are respectively detachably connected with the connecting seat, the supporting cross beam and the connecting seat through connecting screws and matching nuts, so that the disassembly maintenance or the replacement is convenient;
3) The upper side and the lower side of the rubber cushion bodies of the first vibration-damping rubber cushion, the second vibration-damping rubber cushion and the third vibration-damping rubber cushion are integrally connected with a disc rubber supporting table with a larger diameter, so that the first vibration-damping rubber cushion, the second vibration-damping rubber cushion and the third vibration-damping rubber cushion are more firmly supported;
4) The first connecting hole formed in the connecting seat is a long round hole which is longitudinally arranged, so that the longitudinal position of the whole first vibration damping assembly can be longitudinally finely adjusted, and the first vibration damping assembly is ensured to be reliably connected with the machine head;
5) The reinforcing rib plates are welded between the side plates of the L-shaped connecting seat block, so that the structural strength of the connecting seat can be improved, and the connection is firm.
Drawings
Fig. 1 shows a schematic structural view of the vibration damping mechanism of the genset of the present embodiment.
Fig. 2 shows a schematic structural view of the other side of the generator set damping mechanism of the present embodiment.
Fig. 3 shows a front view of the generator set damping mechanism of the present embodiment.
Fig. 4 shows a schematic structural diagram of the first, second and third vibration-damping rubber pads of the vibration-damping mechanism of the generator set of the present embodiment.
In the drawings, the reference numbers:
1. a machine head; 2. a generator; 21. a generator base; 211. a third connection hole; 3. a first vibration reduction assembly; 31. a connecting seat; 311. a first connection hole; 312. reinforcing rib plates; 32. a first vibration damping rubber pad; 33. a support beam; 331. a second connection hole; 34. a second vibration damping rubber pad; 4. a second vibration reduction assembly; 41. A third vibration damping rubber pad; 51. a rubber cushion body; 52. and connecting the screw rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are not to precise scale, and are provided for the purpose of facilitating and clearly illustrating embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the accompanying drawings. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in technology, and any modification of the structure, change of the proportion relation or adjustment of the size should fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.
As shown in fig. 1 to 4, the vibration damping mechanism of the generator set of the present embodiment, the generator set includes a machine head 1 and a generator 2, the vibration damping mechanism includes a first vibration damping assembly 3 connected to the lower side of the machine head 1 and a second vibration damping assembly 4 connected to the lower side of the generator 2, the first vibration damping assembly 3 includes at least two connecting bases 31 connected to the machine head 1, a first vibration damping rubber pad 32 is connected to the lower side of the connecting base 31, the first vibration damping rubber pads 32 are all connected to a supporting beam 33, a second vibration damping rubber pad 34 is connected to the lower side of the supporting beam 33, the second vibration damping assembly 4 is a third vibration damping rubber pad 41 connected to the lower side of the generator base 21, and the second vibration damping rubber pad 34 and the third vibration damping rubber pad 41 are connected to a mounting bracket of the generator set.
The first, second and third cushion rubbers 32, 34 and 41 each include a rubber pad 51 and a connecting screw 52, the rubber pad 51 includes a middle cylindrical rubber section and a disc rubber support platform connecting the upper and lower sides of the cylindrical rubber section, and the diameter of the disc rubber support platform is larger than that of the cylindrical rubber section, so that the upper and lower sides of the rubber pad 51 are supported firmly.
Connecting seat 31 is L shape, welded connection deep floor 312 between two blocks of curb plates of connecting seat 31 of L shape, the aircraft nose 1 of bolt detachable is passed through to the connecting seat 31 curb plate of L shape, first connecting hole 311 of connecting screw 52 of first damping rubber pad 32 is seted up to connecting seat 31 opposite side board, first connecting hole 311 is longitudinal arrangement's slotted hole, first damping rubber pad 32 can be dismantled with connecting seat 31 through connecting screw 52 cooperation nut and be connected, but make first damping subassembly 3 vertical adjusting position.
The support beam 33 and the generator base 21 are matched with the connecting screw rods 52 of the second vibration damping rubber pad 34 and the third vibration damping rubber pad 41, and are also respectively provided with a second connecting hole 331 and a third connecting hole 211, the second vibration damping rubber pad 34 is detachably connected with the support beam 33 through the connecting screw rods 52 and matched with nuts, and the third vibration damping rubber pad 41 is detachably connected with the generator base 21 through the connecting screw rods 52 and matched with nuts.
The first, second and third vibration-damping rubber pads 32, 34 and 41 employ penetrating dampers, and the rubber pads 51 thereof employ natural rubber, which has the following parameters: the hardness is 45HA, the elongation is 555.24%, the breaking strength is 16.25Mpa, the low temperature resistance is not cracked at 60 ℃ below zero, and the high temperature resistance within 150 ℃ is required.
When the generator set vibration reduction mechanism of the embodiment is used, the third vibration reduction rubber pads 41 are symmetrically connected to two sides of the lower side of the generator base 21, the lower ends of the third vibration reduction rubber pads 41 are connected with the mounting support of the generator set, the first vibration reduction rubber pads 32 are symmetrically connected to two sides of the lower side of the generator head 1 through the connecting base 31, the supporting beam 33 and the second vibration reduction rubber pads 34 are sequentially connected, the lower ends of the second vibration reduction rubber pads 34 are also connected with the mounting support of the generator set, namely, the first vibration reduction assembly 3 and the second vibration reduction assembly 4 are mounted, the second vibration reduction assembly 4 performs primary vibration reduction on the generator end of the generator set through the third vibration reduction rubber pads 41, the first vibration reduction assembly 3 performs double vibration reduction on the head end of the generator set through the matching of the first vibration reduction rubber pads 32 and the second vibration reduction rubber pads 34, the vibration reduction amplitude of the generator set during transportation and operation is reduced, the amplitude of the generator set at two ends is good, the amplitude of the generator set is tested at 0.030mm, the amplitude of the generator set during operation is not more than the requirement of 0.5mm, and the stability of the generator set during operation is ensured.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a generating set damping mechanism, generating set includes aircraft nose and generator, its characterized in that: damping mechanism is including connecting at the first damping subassembly of aircraft nose downside and connecting the second damping subassembly in the generator downside, first damping subassembly includes two at least connection aircraft nose connecting seats, first damping rubber pad is connected to the connecting seat downside, first damping rubber pad all connects the supporting beam, second damping rubber pad is connected to the supporting beam downside, second damping subassembly is for being connected to the third damping rubber pad of generator base downside, second damping rubber pad with the installing support of generating set is connected to third damping rubber pad.
2. The genset damping mechanism of claim 1 wherein: the first, second and third vibration-damping rubber pads each include a rubber pad body and a connecting screw.
3. The genset damping mechanism of claim 2 wherein: the rubber cushion body comprises a cylindrical rubber section in the middle and a disc rubber supporting table connected with the upper side and the lower side of the cylindrical rubber section, and the diameter of the disc rubber supporting table is larger than that of the cylindrical rubber section.
4. The vibration reducing mechanism for a generator set of claim 2, wherein: the connecting seat is L-shaped, one side plate of the connecting seat in the L shape is detachably connected with the machine head through a bolt, the other side plate of the connecting seat is provided with a first connecting hole connected with a connecting screw rod of a first vibration damping rubber pad, and the first vibration damping rubber pad is detachably connected with the connecting seat through a connecting screw rod matched nut.
5. The generator set damping mechanism of claim 4, wherein: the first connecting hole is a long round hole which is longitudinally arranged.
6. The generator set damping mechanism of claim 4, wherein: and a reinforcing rib plate is welded between the two side plates of the L-shaped connecting seat.
7. The vibration reducing mechanism for a generator set of claim 2, wherein: the supporting beam and a connecting screw rod of the generator base matched with the second vibration-damping rubber pad and the third vibration-damping rubber pad are also respectively provided with a second connecting hole and a third connecting hole, the second vibration-damping rubber pad is detachably connected with the supporting beam through a connecting screw rod matched nut, and the third vibration-damping rubber pad is detachably connected with the generator base through a connecting screw rod matched nut.
8. The generator set damping mechanism of claim 1, wherein: the supporting cross beam is made of C-shaped steel with a downward opening, and the second damping rubber pad is partially penetrated in the opening of the C-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221733558.7U CN217873980U (en) | 2022-07-05 | 2022-07-05 | Vibration reduction mechanism of generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221733558.7U CN217873980U (en) | 2022-07-05 | 2022-07-05 | Vibration reduction mechanism of generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217873980U true CN217873980U (en) | 2022-11-22 |
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ID=84099459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221733558.7U Active CN217873980U (en) | 2022-07-05 | 2022-07-05 | Vibration reduction mechanism of generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217873980U (en) |
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2022
- 2022-07-05 CN CN202221733558.7U patent/CN217873980U/en active Active
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