CN110878803A

CN110878803A - Electromagnetic shock absorber for diesel generating set

Info

Publication number: CN110878803A
Application number: CN201811037160.8A
Authority: CN
Inventors: 彭涛; 邓家才
Original assignee: HUBEI YINGPAI POWER TECHNOLOGY Co Ltd
Current assignee: HUBEI YINGPAI POWER TECHNOLOGY Co Ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2020-03-13

Abstract

The invention discloses an electromagnetic shock absorber for a diesel generator set, which belongs to the technical field of diesel generator sets and comprises a lower sliding seat, an upper sliding sleeve, a lower permanent magnet, an upper permanent magnet, a lower electromagnet and an upper electromagnet, wherein the lower electromagnet and the lower permanent magnet are fixedly arranged in the lower sliding seat from bottom to top in sequence, the sliding cover of the upper sliding sleeve is arranged on the outer side of the lower sliding seat, the upper electromagnet and the lower permanent magnet are fixedly arranged in the upper sliding sleeve from top to bottom in sequence, the magnetic poles of the lower permanent magnet and the upper permanent magnet are oppositely arranged 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. The shock attenuation is effectual.

Description

Electromagnetic shock absorber for diesel generating set

Technical Field

The invention belongs to the technical field of diesel generating sets, and particularly relates to an electromagnetic shock absorber for a diesel generating set.

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 electromagnetic shock absorber for the diesel generator set is provided for overcoming the problems in the prior art, the upper electromagnet and the lower electromagnet are electrified to generate a magnetic field, the magnetic force of the upper permanent magnet and the lower permanent magnet which are repelled by the same poles is enhanced, the upper permanent magnet and the lower permanent magnet are not in direct contact when absorbing the vibration stress of the generator set, the vibration stress cannot be transmitted to a base of the generator set, and the shock absorbing effect is good.

In order to solve the problems in the prior art, the following technical scheme is adopted.

The utility model provides an electromagnetic shock absorber for diesel generating set, includes lower slide, last sliding sleeve, lower permanent magnet, goes up permanent magnet, lower electro-magnet and goes up the electro-magnet, the inside of lower slide has set firmly in proper order from supreme down electro-magnet and lower permanent magnet, it sets gradually to go up the sliding sleeve sliding cover and locates the outside of lower slide, the inside of going up the sliding sleeve has set firmly from last to last in proper order last electro-magnet and last permanent magnet, the permanent magnet sets up with the magnetic pole homopolar of last permanent magnet relatively down, the electro-magnet is unanimous with the magnetic pole direction of lower permanent magnet down, it is unanimous with the magnetic pole direction of last.

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, adjustment mechanism includes screw rod and 2 stop nuts, the screw rod from the top down run through go up the sliding sleeve and with go up the iron core threaded connection of electromagnet, 2 stop nuts respectively the screw-thread fit on the screw rod of last sliding sleeve inside and outside both sides.

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 upper 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 electromagnetic shock absorber is characterized in that a plurality of electromagnetic shock absorbers are arranged between the generator set and the set base, the upper permanent magnet and the lower permanent magnet which are oppositely arranged in the same magnetic pole are used for supporting the generator set under the action of magnetic force of repelling of the same magnetic pole, when the generator set works, the upper electromagnet and the lower electromagnet are electrified to generate a magnetic field, the magnetic force of repelling of the same magnetic pole is enhanced, the upper permanent magnet and the lower permanent magnet are not in direct contact when absorbing the vibration stress of the generator set, the vibration stress cannot be transmitted to the set base, and the shock absorption effect is good.

2. According to the electromagnetic shock absorber, the adjusting mechanism is arranged between the iron core of the upper electromagnet 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 a generator set is conveniently controlled to be on the same horizontal plane, the stable operation of the generator set is ensured, and the vibration of an engine set can be further reduced.

3. The electromagnetic shock absorber can be quickly and fixedly arranged between the generator set and the base of the generator set through bolts, and is convenient to install and maintain.

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 of the present invention.

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; 2. an upper sliding sleeve; 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 fig. 1 to 3, an electromagnetic shock absorber for a diesel generator set comprises a lower sliding seat 1, an upper sliding sleeve 2, a lower permanent magnet 3, an upper permanent magnet 4, a lower electromagnet 5 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 preferred scheme, the iron core of the lower electromagnet is connected with the lower sliding seat 1 through screws, so that the lower electromagnet 5, the lower permanent magnet 3 and the lower sliding seat 1 can be conveniently installed, matched and detached.

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 upper sliding sleeve 2 is slidably covered on the outer side of the lower sliding seat 1, the lower sliding seat 1 plays a guiding and limiting role in the movement of the upper sliding sleeve 2, and the upper sliding sleeve 2 can slide along the outer side wall of the lower sliding seat 1 under the action of like-pole repulsive magnetic force; and the upper sliding sleeve 2 is slidably covered on the lower sliding seat 1, so that rainwater or dust can be prevented from entering the electromagnetic shock absorber, and the service life of the electromagnetic shock absorber can be prolonged.

The upper sliding sleeve 2 is internally and fixedly provided with an upper electromagnet 6 and an upper permanent magnet 4 from top to bottom in sequence, the lower permanent magnet 3 and the upper permanent magnet 4 are oppositely arranged in the same magnetic pole direction, 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. 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 is further arranged between the iron core of the upper electromagnet 6 and the upper sliding sleeve 2, the adjusting mechanism 7 comprises a

screw rod

71 and 2 limiting nuts 72, the screw rod 71 penetrates through the upper sliding sleeve 2 from top to bottom and is in threaded connection with the iron core of the upper electromagnet 6, and the 2 limiting nuts 72 are respectively in threaded fit with the screw rods 71 on the inner side and the outer side of the upper sliding sleeve 2. 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 the preferred scheme, the outer wall of the upper sliding sleeve 2 is provided with a quick-opening door 8 for loosening and tightening the limit nut 72 positioned inside the upper sliding sleeve 2. Open the quick-open door 8 and can stretch into the spanner and go up that sliding sleeve 2 is inside to loosen or locking operation, convenient and fast to stop nut 72.

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 electromagnetic shock absorber, the plurality of electromagnetic shock absorbers 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 are used for supporting the generator set under the action of magnetic force with the same magnetic pole repelling each other, when the generator set works, the upper electromagnet 6 and the lower electromagnet 5 are electrified to generate a magnetic field, the magnetic force with the same magnetic pole repelling each other 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, and the shock absorption effect is good.

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

1. The utility model provides an electromagnetic shock absorber for diesel generating set which characterized in that: including lower slide (1), go up slide sleeve (2), lower permanent magnet (3), go up permanent magnet (4), lower electro-magnet (5) and go up electro-magnet (6), the inside of lower slide (1) supreme from bottom to having set firmly in proper order down electro-magnet (5) and lower permanent magnet (3), it sets up in the outside of lower slide (1) to go up slide sleeve (2) slip cover, the inside of going up slide sleeve (2) is from last to having set firmly in proper order down go up electro-magnet (6) and last permanent magnet (4), permanent magnet (3) and the magnetic pole homopolar relative setting of last permanent magnet (4) down, the magnetic pole direction of electro-magnet (5) and lower permanent magnet (3) is unanimous down, go up the magnetic pole direction unanimity of electro-magnet (6) and last permanent magnet (4).

2. The electromagnetic shock absorber for the diesel generator set according to claim 1, wherein: the iron core is soft iron or silicon steel.

3. The electromagnetic shock absorber for the diesel generator set according to 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. The electromagnetic shock absorber for the diesel generator set according to claim 3, wherein: the adjusting mechanism (7) comprises a screw rod (71) and 2 limiting nuts (72), the screw rod (71) penetrates through the upper sliding sleeve (2) 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 rod (71) on the inner side and the outer side of the upper sliding sleeve (2) respectively.

5. The electromagnetic shock absorber for the diesel generator set according to 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. The electromagnetic shock absorber for the diesel generator set according to claim 4, wherein: the outer wall of the upper sliding sleeve (2) is provided with a quick opening door (8) for loosening and tightening a limit nut (72) positioned inside the upper sliding sleeve (2).

7. The electromagnetic shock absorber for the diesel generator set according to claim 1, wherein: and the iron core of the lower electromagnet (5) is connected with the lower sliding seat (1) through screws.

8. The electromagnetic shock absorber for the diesel generator set according to 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).