CN217633636U - Light electromagnetic shock absorber - Google Patents

Light electromagnetic shock absorber Download PDF

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Publication number
CN217633636U
CN217633636U CN202222504952.XU CN202222504952U CN217633636U CN 217633636 U CN217633636 U CN 217633636U CN 202222504952 U CN202222504952 U CN 202222504952U CN 217633636 U CN217633636 U CN 217633636U
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China
Prior art keywords
end cover
spring
shell
permanent magnet
telescopic rod
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Active
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CN202222504952.XU
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Chinese (zh)
Inventor
孙成鑫
冯国红
狄海廷
童琳
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Northeast Forestry University
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Northeast Forestry University
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Priority to CN202222504952.XU priority Critical patent/CN217633636U/en
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Abstract

The utility model relates to a bumper shock absorber technical field just discloses a light-duty electromagnetic bumper shock absorber. The cooling device comprises a flange plate I, a telescopic rod, an upper end cover, a sealing ring I, a spring, a permanent magnet, a circular ring end cover, a protection spring, an electromagnet, a sealing bolt, a box body, a lower end cover, a rubber pad, a cooling cavity, a shell and a rubber block, wherein a limit table is processed in the shell; the first flange plate is connected with the telescopic rod through threads; the box body is fixedly connected with the lower end of the telescopic rod; the upper end and the lower end of the spring are respectively connected with the upper end cover and the box body; a permanent magnet and a rubber block with adjustable specifications are arranged in the box body; the upper end and the lower end of the protection spring are respectively connected with the ring end cover and the limiting table; the electromagnet is matched with the permanent magnet to form an air spring; a cooling cavity is arranged outside the shell, and cooling liquid is filled in the cooling cavity. The utility model discloses a spring, electro-magnet and permanent magnet cooperation work reach the shock attenuation purpose, set up the temperature that the cooling chamber reduced air spring during operation and produced, prolong the bumper shock absorber life-span, and low in manufacturing cost.

Description

Light electromagnetic shock absorber
Technical Field
The utility model relates to a bumper shock absorber technical field especially relates to a light-duty electromagnetic bumper shock absorber.
Background
The current reasons for the limited development of electromagnetic dampers are: firstly, the electromagnetic shock absorber is easy to dredge external pressure to cause self damage, and has poor bearing performance and weaker anti-side-tipping capability; secondly, the electromagnetic shock absorber has a complex structure, is difficult to repair once a fault occurs, has high maintenance cost, and particularly, the adoption of the air spring can cause overheating of shock absorption parts and influence the service life.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art not enough, provide a light-duty electromagnetic shock absorber. The light electromagnetic shock absorber adopts the cooperation of the electromagnet, the permanent magnet and the spring, and the cooling layer is arranged outside the light electromagnetic shock absorber, so that the purpose of protecting shock-absorbing components is achieved.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a light electromagnetic shock absorber comprises a flange plate I1, a telescopic rod 2, an upper end cover 3, a seal ring I4, a spring 5, a permanent magnet 6, a ring end cover 7, a protection spring 8, an electromagnet 9, a box body 11, a lower end cover 13, a rubber pad 14, a shell 16 and a rubber block 17, wherein a limit table 18 is processed in the shell 16; the flange plate I1 is connected with the telescopic rod 2 through threads; the lower end of the telescopic rod 2 is positioned in the shell 16; the box body 11 is fixedly connected with the lower end of the telescopic rod 2; a rubber block 17 and a permanent magnet 6 are arranged in the box body 11; the permanent magnet 6 is positioned below the rubber block 17; the specifications of the permanent magnet 6 and the rubber block 17 can be adjusted according to requirements; the circular ring end cover 7 is connected with the box body 11 through threads and used for limiting the permanent magnet 6; the upper end cover 3 is connected with the shell 16 through threads; a through hole is processed on the upper end cover 3; the telescopic rod 2 penetrates through a through hole in the upper end cover 3; the first sealing ring 4 is arranged between the shell 16 and the upper end cover 3; the spring 5 is sleeved on the telescopic rod 2; the spring 5 is positioned in the shell 16; the upper end and the lower end of the spring 5 are respectively connected with the upper end cover 3 and the box body 11; the lower end cover 13 is connected with the shell 16 through threads; a hole is processed on the lower end cover 13; the electromagnet 9 is arranged at the bottom in the shell 16 and is matched with the permanent magnet 6 to form an air spring; a coil winding of the electromagnet 9 passes through a hole on the lower end cover 13 and is connected with an external rectifier; the rubber pad 14 is arranged between the electromagnet 9 and the lower end cover 13; the protection spring 8 is arranged in the shell 16; the upper end of the protection spring 8 is connected with the circular ring end cover 7, and the lower end of the protection spring is connected with the limiting table 18.
A cooling cavity 15 is welded on the outer side of the shell 16; the lower end of the cooling cavity 15 and the lower end of the shell 16 are positioned on the same horizontal plane; the cooling cavity 15 is filled with cooling liquid; a liquid injection hole is formed in the upper part of the cooling cavity 15, and a liquid changing hole is formed in the lower end of the side face; threads are machined in the liquid changing hole of the cooling cavity 15; the liquid changing hole of the cooling cavity 15 is connected with the sealing bolt 10 through threads; the lower end of the cooling cavity 15 is welded with a second flange 12; the flange plate I1, the telescopic rod 2, the upper end cover 3, the spring 5, the circular ring end cover 7, the protection spring 8, the sealing bolt 10, the box body 11, the flange plate II 12, the lower end cover 13, the cooling cavity 15 and the shell 16 are all made of non-magnetic materials.
The utility model has the advantages that: the damping purpose is achieved by adopting the cooperation of the spring, the electromagnet and the permanent magnet, the temperature reduction cavity is arranged to reduce the temperature generated when the air spring works, and the service life of the damper is prolonged; meanwhile, the rubber blocks and the permanent magnets of different specifications can be arranged in the box body according to requirements, the structure is simple, and the manufacturing cost is low.
Drawings
Fig. 1 is a schematic structural view of the light electromagnetic absorber of the present invention.
In the drawings:
the device comprises a flange plate I1, a telescopic rod 2, an upper end cover 3, a seal ring I4, a spring 5, a permanent magnet 6, a ring end cover 7, a protection spring 8, an electromagnet 9, a sealing bolt 10, a box body 11, a flange plate II 12, a lower end cover 13, a rubber pad 14, a cooling cavity 15, a shell 16, a rubber block 17 and a limiting table 18.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the invention:
as shown in fig. 1, the light electromagnetic shock absorber comprises a flange plate 1, a telescopic rod 2, an upper end cover 3, a sealing ring 4, a spring 5, a permanent magnet 6, a ring end cover 7, a protection spring 8, an electromagnet 9, a box body 11, a lower end cover 13, a rubber pad 14, a shell 16 and a rubber block 17, wherein a limit table 18 is processed in the shell 16; the flange plate I1 is connected with the telescopic rod 2 through threads; the lower end of the telescopic rod 2 is positioned in the shell 16; the box body 11 is fixedly connected with the lower end of the telescopic rod 2; a rubber block 17 and a permanent magnet 6 are arranged in the box body 11; the permanent magnet 6 is positioned below the rubber block 17; the specifications of the permanent magnet 6 and the rubber block 17 can be adjusted according to requirements; the circular end cover 7 is connected with the box body 11 through threads and used for limiting the permanent magnet 6; the upper end cover 3 is connected with the shell 16 through threads; a through hole is processed on the upper end cover 3; the telescopic rod 2 penetrates through a through hole in the upper end cover 3; the first sealing ring 4 is arranged between the shell 16 and the upper end cover 3; the spring 5 is sleeved on the telescopic rod 2; the spring 5 is positioned in the shell 16; the upper end and the lower end of the spring 5 are respectively connected with the upper end cover 3 and the box body 11; the lower end cover 13 is connected with the shell 16 through threads; a hole is processed on the lower end cover 13; the electromagnet 9 is arranged at the bottom in the shell 16 and is matched with the permanent magnet 6 to form an air spring; a coil winding of the electromagnet 9 passes through a hole on the lower end cover 13 and is connected with an external rectifier; the rubber pad 14 is arranged between the electromagnet 9 and the lower end cover 13; the protection spring 8 is arranged in the shell 16; the upper end of the protection spring 8 is connected with the circular ring end cover 7, and the lower end of the protection spring is connected with the limiting table 18.
A cooling cavity 15 is welded on the outer side of the shell 16; the lower end of the cooling cavity 15 and the lower end of the shell 16 are positioned on the same horizontal plane; the cooling cavity 15 is filled with cooling liquid; a liquid injection hole is formed in the upper part of the cooling cavity 15, and a liquid changing hole is formed in the lower end of the side face; threads are machined in the liquid changing hole of the cooling cavity 15; the liquid changing hole of the cooling cavity 15 is connected with the sealing bolt 10 through threads; the lower end of the cooling cavity 15 is welded with a second flange 12; the flange plate I1, the telescopic rod 2, the upper end cover 3, the spring 5, the circular ring end cover 7, the protection spring 8, the sealing bolt 10, the box body 11, the flange plate II 12, the lower end cover 13, the cooling cavity 15 and the shell 16 are all made of non-magnetic materials.
The working process is as follows: the power supply of the rectifier is switched on, the electromagnet 9 generates magnetic force and is matched with the permanent magnet 6 to form the air spring, in the compression stroke, the electromagnet 9 and the permanent magnet 6 repel each other, the telescopic rod 2 moves downwards, and a spring group consisting of the spring 5, the protection spring 8 and the air spring plays the role of an elastic element to alleviate impact; in the extension stroke, the telescopic rod 2 moves upwards, the current direction of a coil winding of the electromagnet 9 is changed at the moment, the current direction generates attraction with the permanent magnet 6, the protection spring 8 extends, and the box body 11 compresses the spring 5 to play a role in buffering; the power supply is cut off, the magnetic force of the electromagnet 9 disappears, the telescopic rod 2 moves downwards under the influence of gravity, and the spring 5 and the protection spring 8 relieve the impact and play a role in protecting the electromagnet 9. The cooling cavity 15 is arranged on the outer side of the shell 16, so that the problem of high temperature generated when the air spring works is solved.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims (2)

1. A light electromagnetic shock absorber is characterized by comprising a flange plate I (1), a telescopic rod (2), an upper end cover (3), a sealing ring I (4), a spring (5), a permanent magnet (6), a ring end cover (7), a protection spring (8), an electromagnet (9), a box body (11), a lower end cover (13), a rubber pad (14), a shell (16) and a rubber block (17), wherein a limiting table (18) is processed in the shell (16); the flange plate I (1) is connected with the telescopic rod (2) through threads; the lower end of the telescopic rod (2) is positioned in the shell (16); the box body (11) is fixedly connected with the lower end of the telescopic rod (2); a rubber block (17) and a permanent magnet (6) are arranged in the box body (11); the permanent magnet (6) is positioned below the rubber block (17); the specifications of the permanent magnet (6) and the rubber block (17) can be adjusted according to requirements; the circular ring end cover (7) is connected with the box body (11) through threads and used for limiting the permanent magnet (6); the upper end cover (3) is connected with the shell (16) through threads; a through hole is processed on the upper end cover (3); the telescopic rod (2) penetrates through a through hole in the upper end cover (3); the first sealing ring (4) is arranged between the shell (16) and the upper end cover (3); the spring (5) is sleeved on the telescopic rod (2); the spring (5) is positioned in the shell (16); the upper end and the lower end of the spring (5) are respectively connected with the upper end cover (3) and the box body (11); the lower end cover (13) is connected with the shell (16) through threads; a hole is processed on the lower end cover (13); the electromagnet (9) is arranged at the bottom in the shell (16) and is matched with the permanent magnet (6) to form an air spring; a coil winding of the electromagnet (9) penetrates through a hole in the lower end cover (13) to be connected with an external rectifier; the rubber pad (14) is arranged between the electromagnet (9) and the lower end cover (13); the protection spring (8) is arranged in the shell (16); the upper end of the protection spring (8) is connected with the circular ring end cover (7), and the lower end of the protection spring is connected with the limiting table (18).
2. A lightweight electromagnetic shock absorber according to claim 1, characterized in that a cooling cavity (15) is welded to the outside of the housing (16); the lower end of the cooling cavity (15) and the lower end of the shell (16) are positioned on the same horizontal plane; the cooling cavity (15) is filled with cooling liquid; a liquid injection hole is formed in the upper part of the cooling cavity (15), and a liquid changing hole is formed in the lower end of the side face; threads are machined in the liquid changing hole of the cooling cavity (15); the liquid changing hole of the cooling cavity (15) is connected with the sealing bolt (10) through threads; a second flange plate (12) is welded at the lower end of the cooling cavity (15); the flange plate I (1), the telescopic rod (2), the upper end cover (3), the spring (5), the circular ring end cover (7), the protection spring (8), the sealing bolt (10), the box body (11), the flange plate II (12), the lower end cover (13), the cooling cavity body (15) and the shell (16) are all made of non-magnetic materials.
CN202222504952.XU 2022-09-22 2022-09-22 Light electromagnetic shock absorber Active CN217633636U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222504952.XU CN217633636U (en) 2022-09-22 2022-09-22 Light electromagnetic shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222504952.XU CN217633636U (en) 2022-09-22 2022-09-22 Light electromagnetic shock absorber

Publications (1)

Publication Number Publication Date
CN217633636U true CN217633636U (en) 2022-10-21

Family

ID=83636651

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222504952.XU Active CN217633636U (en) 2022-09-22 2022-09-22 Light electromagnetic shock absorber

Country Status (1)

Country Link
CN (1) CN217633636U (en)

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