CN110878810A - Diesel generating set with electromagnetic shock absorber - Google Patents
Diesel generating set with electromagnetic shock absorber Download PDFInfo
- Publication number
- CN110878810A CN110878810A CN201811038399.7A CN201811038399A CN110878810A CN 110878810 A CN110878810 A CN 110878810A CN 201811038399 A CN201811038399 A CN 201811038399A CN 110878810 A CN110878810 A CN 110878810A
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- Prior art keywords
- sliding sleeve
- electromagnet
- permanent magnet
- diesel
- electromagnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a diesel generator set with electromagnetic shock absorbers, belonging to the technical field of diesel generator sets, comprising a diesel generator set and a plurality of electromagnetic shock absorbers which are arranged between the diesel generator set and a set base; the electromagnetic shock absorber comprises a lower sliding seat, a lower permanent magnet, a lower electromagnet, an upper sliding sleeve, an upper permanent magnet and an upper electromagnet, wherein the lower electromagnet and the lower permanent magnet are fixedly arranged inside the lower sliding seat from bottom to top in sequence; the magnetic poles of the lower permanent magnet and the upper permanent magnet are arranged in the same polarity and opposite to each other, the magnetic pole directions of the lower electromagnet and the lower permanent magnet are consistent, and the magnetic pole directions of the upper electromagnet and the upper permanent magnet are consistent.
Description
Technical Field
The invention belongs to the technical field of diesel generating sets, and particularly relates to a diesel generating set with an electromagnetic shock absorber.
Background
The diesel generator set is a small power generating equipment, and is a power machine using diesel oil as fuel and using diesel engine as prime mover to drive generator to generate power. When the diesel generating set works, great vibration and noise can be generated, the comfort of the working environment is seriously affected, and internal parts of the diesel generating set are loosened or damaged, so that the service life of the diesel generating set is shortened.
In the prior art, in order to reduce the vibration of the diesel generator set during operation, a damping spring shock absorber is generally arranged at the bottom of the generator set to eliminate the vibration stress of the generator set, a coil spring of the damping spring shock absorber is easy to fatigue and break in repeated and frequent deformation, and can still transmit part of the vibration stress to a base of the generator set, so that the damping effect is not ideal.
Disclosure of Invention
The invention provides a diesel generator set with an electromagnetic shock absorber, aiming at overcoming the problems in the prior art, and the diesel generator set with the electromagnetic shock absorber has good running stability and long service life.
In order to solve the problems in the prior art, the following technical scheme is adopted.
A diesel generator set with electromagnetic dampers is characterized by comprising a diesel generator set and a plurality of electromagnetic dampers, wherein the electromagnetic dampers are arranged between the diesel generator set and a set base;
the electromagnetic shock absorber comprises a lower sliding seat, a lower permanent magnet, a lower electromagnet, an upper sliding sleeve, an upper permanent magnet and an upper electromagnet, wherein the lower electromagnet and the lower permanent magnet are fixedly arranged inside the lower sliding seat from bottom to top in sequence, and a lower shoulder protruding outwards is arranged on the outer side of the top of the lower sliding seat;
the upper sliding sleeve is of a two-half structure formed by fixing a first sliding sleeve and a second sliding sleeve together through a fastening piece, the upper electromagnet and the upper permanent magnet are fixedly arranged inside the upper sliding sleeve from top to bottom in sequence, an upper shoulder protruding out of the inside of the upper sliding sleeve is arranged on the inner side of the bottom of the upper sliding sleeve, and the upper sliding sleeve is slidably covered on the outer side of the lower sliding seat;
the magnetic poles of the lower permanent magnet and the upper permanent magnet are opposite in the same polarity, the magnetic pole directions of the lower electromagnet and the lower permanent magnet are consistent, and the magnetic pole directions of the upper electromagnet and the upper permanent magnet are consistent.
Further, the iron core is soft iron or silicon steel.
Furthermore, an adjusting mechanism for adjusting the height of the electromagnetic shock absorber is arranged between the iron core of the upper electromagnet and the upper sliding sleeve.
Furthermore, a through hole is formed in the middle of the top matching part of the first sliding sleeve and the second sliding sleeve, the adjusting mechanism comprises a screw rod and 2 limiting nuts, the screw rod penetrates through the through hole from top to bottom and is in threaded connection with an iron core of the upper electromagnet, and the 2 limiting nuts are in threaded matching with the screw rods on the two sides of the inner side and the outer side of the upper sliding sleeve respectively.
Furthermore, a fixing nut is arranged at the matching position of the screw rod and the iron core of the upper electromagnet.
Furthermore, the outer wall of the first sliding sleeve and/or the second sliding sleeve is provided with a quick opening door for loosening and tightening a limit nut positioned inside the upper sliding sleeve.
Furthermore, the iron core of the lower electromagnet is connected with the lower sliding seat through a screw.
Further, the bottom circumference equipartition of slide has two or more ear seats down, be equipped with the open slot that is used for wearing to establish the bolt on the ear seat.
Compared with the prior art, the invention has the following beneficial effects:
1. the diesel generator set comprises a generator set body, a generator set base, an upper electromagnet, a lower electromagnet, a plurality of electromagnetic dampers, a plurality of permanent magnets and a plurality of permanent magnets, wherein the plurality of permanent magnets are arranged in a way that like poles of the permanent magnets are opposite, the upper permanent magnets and the lower permanent magnets are arranged, the upper permanent magnets and the lower permanent magnets are.
2. An adjusting mechanism is further arranged between the iron core of the upper electromagnet of the electromagnetic shock absorber and the upper sliding sleeve, the overall height of the electromagnetic shock absorber can be adjusted, the support of the plurality of electromagnetic shock absorbers on the generator set is conveniently controlled to be on the same horizontal plane, stable operation of the generator set is guaranteed, and vibration of the engine set can be further reduced.
3. Electromagnetic shock absorber, accessible bolt quick fixed mounting are between generating set and unit base, and go up the sliding sleeve and adopt the two half formula structures that pass through the fastener by first sliding sleeve and second sliding sleeve and fix together, and equipment and maintenance are convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a front view of an electromagnetic absorber.
Fig. 2 is a front sectional view of the electromagnetic absorber.
Fig. 3 is a top view of the lower carriage.
In the figure: 1. a lower slide base; 11. a lower shoulder; 2. an upper sliding sleeve; 21. an upper shoulder; 3. a lower permanent magnet; 4. an upper permanent magnet; 5. a lower electromagnet; 6. electrifying an electromagnet; 7. an adjustment mechanism; 71. a screw; 72. a limit nut; 8. opening the door quickly; 9. an ear seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in figures 1-3, a diesel generator set with electromagnetic dampers comprises a plurality of diesel generator sets and electromagnetic dampers, and the electromagnetic dampers are arranged between the diesel generator sets and a set base.
The electromagnetic shock absorber comprises a lower sliding seat 1, a lower permanent magnet 3, a lower electromagnet 5, an upper sliding sleeve 2, an upper permanent magnet 4 and an upper electromagnet 6.
The lower slide seat 1 is internally and fixedly provided with a lower electromagnet 5 and a lower permanent magnet 3 from bottom to top in sequence. According to the preferable scheme, the iron core of the lower electromagnet 5 is in screw connection with the lower sliding seat 1, so that the lower electromagnet 5, the lower permanent magnet 3 and the lower sliding seat 1 can be conveniently installed, matched and detached to be separated.
The top of the iron core of the electromagnet (comprising the upper electromagnet 6 and the lower electromagnet 5) is bonded, embedded or clamped and fixed with the permanent magnet (comprising the upper permanent magnet 4 and the lower permanent magnet 3).
The outer side of the top of the lower sliding seat 1 is provided with a lower shoulder 11 protruding outwards, and the inner side of the bottom of the upper sliding sleeve 2 is provided with an upper shoulder 21 protruding inwards the upper sliding sleeve 2. The upper shoulder 21 is in clearance sliding contact with the inner wall of the lower sliding seat 1, the lower shoulder 11 is in clearance sliding contact with the inner wall of the upper sliding sleeve 2, the upper shoulder 21 and the lower sliding seat 1 jointly guide and limit the movement of the upper sliding sleeve 2 relative to the lower sliding seat 1, and the upper sliding sleeve 2 can slide along the outer side wall of the lower sliding seat 1 under the action of magnetic force with like poles repelling each other.
The sliding cover of the upper sliding sleeve 2 is arranged outside the lower sliding seat 1, so that rainwater or dust can be prevented from entering the electromagnetic damper, and the service life of the electromagnetic damper can be prolonged.
The upper sliding sleeve 2 is a two-half structure which is fixed together by a first sliding sleeve and a second sliding sleeve through a fastener. The first sliding sleeve and the second sliding sleeve can be connected and fixed together through bolts on two sides of the first sliding sleeve and the second sliding sleeve; one side of the bolt can be fixed together by pin joint, and the other side of the bolt is locked and fixed together. The upper sliding sleeve 2 can be opened by loosening the fastening piece, and the electromagnetic shock absorber is convenient to assemble and maintain.
An upper electromagnet 6 and an upper permanent magnet 4 are fixedly arranged in the upper sliding sleeve 2 from top to bottom in sequence.
The magnetic poles of the lower permanent magnet 3 and the upper permanent magnet 4 are opposite in the same polarity, the magnetic pole directions of the lower electromagnet 5 and the lower permanent magnet 3 are consistent, and the magnetic pole directions of the upper electromagnet 6 and the upper permanent magnet 4 are consistent. The windings of the lower electromagnet 5 and the upper electromagnet 6 are arranged in a reverse direction, the windings of the lower electromagnet 5 and the upper electromagnet 6 are electrically connected with an external power supply, and after the lower electromagnet 5 and the upper electromagnet 6 are electrified, the like poles of the lower electromagnet 5 and the upper electromagnet 6 are oppositely arranged, so that the magnetic force of the like poles repelling each other is enhanced.
In the preferred scheme, the iron core is soft iron or silicon steel, and has magnetism when being electrified, and the magnetism disappears along with the electrification after being powered off.
Preferably, an adjusting mechanism 7 for adjusting the height of the electromagnetic shock absorber is further arranged between the iron core of the upper electromagnet 6 and the upper sliding sleeve 2.
Preferably, a through hole is formed in the middle of the top matching part of the first sliding sleeve and the second sliding sleeve, the adjusting mechanism 7 comprises a screw rod 71 and 2 limiting nuts 72, the screw rod 71 penetrates through the through hole from top to bottom and is in threaded connection with an iron core of the upper electromagnet 6, and the 2 limiting nuts 72 are in threaded fit with the screw rods 71 on the inner side and the outer side of the upper sliding sleeve 2 respectively. Loosening the limit nut 72 positioned inside the upper sliding sleeve 2, moving the screw rod 71 upwards or downwards to increase or reduce the distance between the upper sliding sleeve 2 and the upper electromagnet 6, so as to realize the adjustment of the overall height of the electromagnetic shock absorber, locking 2 limit nuts 72 after the adjustment is in place, and the adjusting mechanism 7 is convenient for controlling the plurality of electromagnetic shock absorbers to support the generator set on the same horizontal plane, thereby ensuring the stable operation of the generator set and further reducing the vibration of the engine set.
Preferably, a fixing nut is arranged at the matching position of the screw rod 71 and the iron core of the upper electromagnet 6.
In a preferable scheme, the outer wall of the first sliding sleeve and/or the second sliding sleeve is provided with a quick-opening door 8 for loosening and tightening a limit nut 72 positioned inside the upper sliding sleeve 2. The wrench can stretch into the upper sliding sleeve 2 to loosen or lock the limiting nut 72 by opening the quick-opening door 8, the electromagnetic shock absorber does not need to be detached, and the maintenance is convenient and quick.
In the preferred scheme, two or more lug seats 9 are uniformly distributed at the bottom of the lower sliding seat 1 in the circumferential direction, and open grooves for penetrating bolts are formed in the lug seats 9.
According to the diesel generator set, the plurality of electromagnetic dampers are arranged between the generator set and the set base, the upper permanent magnet 4 and the lower permanent magnet 3 which are oppositely arranged in the same magnetic pole of each electromagnetic damper support the generator set under the action of magnetic force of repelling of the same magnetic pole, when the generator set works, the upper electromagnet 6 and the lower electromagnet 5 are electrified to generate a magnetic field, the magnetic force of repelling of the same magnetic pole is enhanced, the upper permanent magnet 4 and the lower permanent magnet 3 are not in direct contact when absorbing the vibration stress of the generator set, the vibration stress cannot be transmitted to the set base, the operation stability is good, and the service life is long.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but rather by the equivalents thereof as may occur to those skilled in the art upon consideration of the present inventive concept.
Claims (8)
1. The utility model provides a diesel generating set with electromagnetic shock absorber which characterized in that: the electromagnetic shock absorber comprises a diesel generator set and a plurality of electromagnetic shock absorbers, wherein the electromagnetic shock absorbers are arranged between the diesel generator set and a set base;
the electromagnetic shock absorber comprises a lower sliding seat (1), a lower permanent magnet (3), a lower electromagnet (5), an upper sliding sleeve (2), an upper permanent magnet (4) and an upper electromagnet (6), wherein the lower electromagnet (5) and the lower permanent magnet (3) are fixedly arranged in the lower sliding seat (1) from bottom to top in sequence, and a lower shoulder (11) protruding outwards is arranged on the outer side of the top of the lower sliding seat (1);
the upper sliding sleeve (2) is of a two-half structure formed by fixing a first sliding sleeve and a second sliding sleeve together through a fastening piece, the upper electromagnet (6) and the upper permanent magnet (4) are fixedly arranged in the upper sliding sleeve (2) from top to bottom in sequence, an upper shoulder (21) protruding towards the inside of the upper sliding sleeve (2) is arranged on the inner side of the bottom of the upper sliding sleeve (2), and the upper sliding sleeve (2) is slidably covered on the outer side of the lower sliding base (1);
the lower permanent magnet (3) and the upper permanent magnet (4) are arranged in the same-polarity opposite mode, the lower electromagnet (5) and the lower permanent magnet (3) are consistent in magnetic pole direction, and the upper electromagnet (6) and the upper permanent magnet (4) are consistent in magnetic pole direction.
2. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 1, wherein: the iron core is soft iron or silicon steel.
3. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 1, wherein: an adjusting mechanism (7) for adjusting the height of the electromagnetic shock absorber is further arranged between the iron core of the upper electromagnet (6) and the upper sliding sleeve (2).
4. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 3, wherein: the middle of the top matching part of the first sliding sleeve and the second sliding sleeve is provided with a through hole, the adjusting mechanism (7) comprises a screw rod (71) and 2 limiting nuts (72), the screw rod (71) penetrates through the through hole from top to bottom and is in threaded connection with an iron core of the upper electromagnet (6), and the 2 limiting nuts (72) are in threaded matching with the screw rods (71) on the inner side and the outer side of the upper sliding sleeve (2) respectively.
5. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 4, wherein: and a fixing nut is arranged at the matching position of the screw rod (71) and the iron core of the upper electromagnet (6).
6. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 1, wherein: and the outer wall of the first sliding sleeve and/or the second sliding sleeve is/are provided with a quick opening door (8) for loosening and tightening a limit nut (72) positioned inside the upper sliding sleeve (2).
7. A diesel-electric generator set with an electromagnetic absorber as set forth in claim 1, wherein: and the iron core of the lower electromagnet (5) is connected with the lower sliding seat (1) through screws.
8. A diesel-electric generator set with an electromagnetic absorber as set forth in any one of claims 1 to 7, wherein: the bottom circumference equipartition of lower slide (1) has ear seat (9) more than two or, be equipped with the open slot that is used for wearing to establish the bolt on ear seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038399.7A CN110878810A (en) | 2018-09-06 | 2018-09-06 | Diesel generating set with electromagnetic shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038399.7A CN110878810A (en) | 2018-09-06 | 2018-09-06 | Diesel generating set with electromagnetic shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110878810A true CN110878810A (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038399.7A Pending CN110878810A (en) | 2018-09-06 | 2018-09-06 | Diesel generating set with electromagnetic shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110878810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832066A (en) * | 2021-03-04 | 2021-05-25 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
| CN114407081A (en) * | 2022-02-28 | 2022-04-29 | 北京航空航天大学 | Passive compliant device at tail end of hybrid variable impedance mechanical arm |
-
2018
- 2018-09-06 CN CN201811038399.7A patent/CN110878810A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832066A (en) * | 2021-03-04 | 2021-05-25 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
| CN112832066B (en) * | 2021-03-04 | 2024-04-12 | 羿射旭减隔震张家口有限公司 | Vibration isolator for track floating plate |
| CN114407081A (en) * | 2022-02-28 | 2022-04-29 | 北京航空航天大学 | Passive compliant device at tail end of hybrid variable impedance mechanical arm |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200313 |
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| WD01 | Invention patent application deemed withdrawn after publication |