CN216519347U - Anti-impact spring damping type soft landing buffer device - Google Patents
Anti-impact spring damping type soft landing buffer device Download PDFInfo
- Publication number
- CN216519347U CN216519347U CN202122401601.1U CN202122401601U CN216519347U CN 216519347 U CN216519347 U CN 216519347U CN 202122401601 U CN202122401601 U CN 202122401601U CN 216519347 U CN216519347 U CN 216519347U
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- Prior art keywords
- guide cylinder
- spring
- connecting base
- buffer
- landing
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- 239000000872 buffer Substances 0.000 title claims abstract description 58
- 238000013016 damping Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 229920001967 Metal rubber Polymers 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000703 anti-shock Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model discloses an anti-impact spring damping type soft landing buffer device which is mainly used in the field of soft landing buffer; the device mainly comprises an upper connecting base, an external spring damping buffer mechanism, a guide cylinder overload protection mechanism, an internal spring damping buffer mechanism, a lower connecting base, a sealing sleeve and a ball pair connecting mechanism; the utility model has the advantages that: the soft landing buffer device is protected from dust through the guide cylinder and the sealing sleeve, so that dust brought up by the buffer device during landing is prevented from entering the buffer device, the internal structure of the buffer device is damaged, and the safety and stability of the work are damaged; when landing, the external springs between the upper and lower connecting bases buffer, and meanwhile, the four internal springs between the guide cylinder and the guide cylinder base also buffer and absorb shock; the protection spring is arranged below the upper connection base to limit the maximum displacement of the guide cylinder base, so that overload damage is prevented.
Description
Technical Field
The utility model relates to an anti-impact spring damping type soft landing buffer device, and belongs to the field of soft landing buffer.
Background
An anti-impact spring damping type soft landing buffer device belongs to a mechanical buffer, is a key part for the safe landing of a lander, is mainly used for buffering and damping in the landing process of the lander, absorbs most impact force generated by the landing, ensures the safe and stable landing of the lander and prevents the damage to the lander caused by overlarge impact force; the soft landing buffer device adopts a sealed structure, so that the impact force is prevented from acting on soil to blow dust into the soft landing buffer device and block a spring in the landing process, and the working efficiency and the stability are further prevented from being influenced; the impact-proof spring damping type soft landing buffer device only completes buffering by mutual matching of parts without the help of other media, and light weight of the buffer device is realized.
Disclosure of Invention
The utility model discloses an anti-impact spring damping type soft landing buffer device which is mainly used in the field of soft landing buffer; the anti-impact spring damping type soft landing buffer device comprises: the device comprises an upper connecting base (1), an external spring damping buffer mechanism, a guide cylinder overload protection mechanism, an internal spring damping buffer mechanism, a lower connecting base (5), a sealing sleeve (4), a ball pair connecting mechanism (6) and the like;
the utility model has the advantages that:
1. the soft landing buffer device is protected from dust through the guide cylinder (2) and the sealing sleeve (4), and the phenomenon that the inner structure of the buffer device is damaged due to the fact that dust brought up during landing enters the buffer device is prevented, and therefore the service life of the whole device is prolonged.
2. In the landing process, an external spring (3) between the upper connecting base and the lower connecting base buffers, and four internal springs (9) between the guide cylinder (2) and the guide cylinder seat (10) buffer and absorb shock; the internal and external structures of the soft landing buffer device buffer simultaneously, so that the impact force is prevented from acting on one spring, and the safety and stability of the work are greatly improved.
3. A protection spring (7) is arranged below the upper connecting base (1) to limit the maximum displacement of the guide cylinder seat (10), so that overload damage caused by overlarge impact force is prevented. The metal rubber pad (8) has the strength of metal and the elasticity like rubber, and the friction force among the metal wires plays a role in buffering, so that secondary protection is realized.
4. The ball pair connecting mechanism (6) enables the soft landing buffer device to be connected with the foot end through the ball pair, has high flexibility, and enables the foot end to be quickly attached to the ground on uneven terrain so as to guarantee stable landing.
Drawings
The mechanism is further explained in the following with the attached drawings.
FIG. 1: the whole schematic diagram of the anti-impact spring damping type soft landing buffer device;
FIG. 2 is a drawing: the inner schematic diagram of the impact-proof spring damping type soft landing buffer device.
Description of reference numerals: 1. the ball pair connecting device comprises an upper connecting base, 2, a guide cylinder, 3, an external spring, 4, a sealing sleeve, 5, a lower connecting base, 6, a ball pair connecting mechanism, 7, a protection spring, 8, a metal rubber pad, 9, an internal spring, 10 and a guide cylinder base.
Detailed Description
The technical solution of the present invention will be further described with reference to the drawings in the embodiments of the present invention, but the scope of the present invention is not limited to the following description.
As shown in fig. 1-2, the impact-proof spring damping type soft landing buffer device mainly comprises: the device comprises an upper connecting base (1), an external spring damping buffer mechanism, a guide cylinder overload protection mechanism, an internal spring damping buffer mechanism, a sealing sleeve (4), a lower connecting base (5) and a ball pair connecting mechanism (6).
The external spring damping buffer mechanism shown in the attached drawing (1) mainly comprises an upper connecting base (1), a lower connecting base (5) and an external spring (3); the external spring (3) is welded between the upper connecting base and the lower connecting base, when the landing impact force is large, the external spring (3) plays a role in supporting and buffering, and when the impact force is not large, the external spring (3) absorbs the fluctuation of vibration to ensure stable landing.
The internal spring damping buffer mechanism shown in the attached figure 2 mainly comprises a guide cylinder (2), a guide cylinder seat (10), a metal rubber pad (8), four internal springs (9), a sealing sleeve (4) and a lower connecting base (5); the upper ends of the four internal springs (9) are connected with the top of the guide cylinder seat (10) in a welding mode, the lower ends of the four internal springs are hinged with the four lug seats at the bottom of the guide cylinder (2) respectively, the four internal springs (9) are compressed, stretched and reset along with the guide cylinder (2) during landing, so that the four internal springs (9) absorb buffering and reduce vibration, and the four internal springs (9) reset to drive the whole soft landing buffer device to return to the original position after landing; a metal rubber pad (8) in interference fit is arranged above the guide cylinder seat (10); the metal rubber pad (8) is made of austenitic stainless steel, so that the metal rubber pad has the strength of metal and the elasticity like rubber, and the friction force among metal wires plays a role in buffering; a sealing sleeve (4) is arranged between the guide cylinder (2) and the lower connecting base (5) to carry out dustproof protection on the soft landing buffer device.
The guide cylinder overload protection mechanism shown in the attached figure 2 mainly comprises an upper connecting base (1), a guide cylinder (2), a metal rubber pad (8) and a protection spring (7); the upper end of the protection spring (7) is welded on the lower bottom surface of the upper connecting base (1); the guide cylinder (2) is pressed down continuously after being subjected to large impact force, and the guide cylinder seat (10) can push the metal rubber pad (8) to compress the protection spring (7) continuously to reach the compression limit and then stop the buffer motion.
The ball pair connecting mechanism (6) shown in the attached figure 2 is directly welded on the lower connecting base (5), and the soft landing buffer device is connected with the foot end through the ball pair, so that the soft landing buffer device has high flexibility, and the foot end can be quickly attached to the ground on uneven terrain to ensure stable landing.
After the device is impacted, the guide cylinder (2) is pressed down to drive the upper connecting base (1) to be pressed down, so that the external spring (3) is compressed to buffer, and meanwhile, the four internal springs (9) between the guide cylinder (2) and the guide cylinder seat (10) are also stretched to finish the buffering and damping process; when the impact force is too large, the guide cylinder seat (10) can push the metal rubber pad (8) to continuously approach the final compression protection spring (7), the protection spring (7) stops moving after reaching the compression limit, and the friction force between metal wires in the metal rubber pad (8) plays a role in buffering and damping, so that the buffer device is prevented from being damaged due to the too large impact force; the external spring (3) is compressed and can also play a role in supporting the soft landing buffer device for secondary protection.
The device has the advantages that the soft landing buffer device is sealed, and dust during landing is prevented from entering the buffer device, so that the service life of the whole device is prolonged; most of connection modes adopt welding, so that the application of scattered parts is reduced, and the realization of light weight is facilitated; a protection spring (7) is arranged in the guide cylinder (2) to limit the maximum displacement of the guide cylinder seat (10), so that overload damage caused by overlarge impact force is prevented.
Claims (4)
1. The utility model provides an anti-shock spring damping formula soft landing buffer which characterized in that includes: the device comprises an upper connecting base (1), an external spring damping buffer mechanism, a guide cylinder overload protection mechanism, an internal spring damping buffer mechanism, a sealing sleeve (4), a lower connecting base (5) and a ball pair connecting mechanism (6).
2. An impact-resistant spring-damped soft landing bumper as set forth in claim 1, wherein: the external spring damping buffer mechanism mainly comprises an upper connecting base (1), a lower connecting base (5) and an external spring (3); the external spring (3) is welded between the upper connecting base and the lower connecting base, when the landing impact force is large, the external spring (3) plays a role in supporting and buffering, and when the impact force is not large, the fluctuation of vibration is absorbed, so that stable landing is ensured.
3. An impact-resistant spring-damped soft landing bumper as set forth in claim 1, wherein: the inner spring damping buffer mechanism mainly comprises a guide cylinder (2), a guide cylinder seat (10), four inner springs (9), a sealing sleeve (4) and a lower connecting base (5); the upper ends of the four internal springs (9) are connected with the top of the guide cylinder seat (10) in a welding mode, the lower ends of the four internal springs are hinged with the four lug seats at the bottom of the guide cylinder (2) respectively, the four internal springs (9) are compressed, stretched and then reset along with the guide cylinder (2) during landing, so that buffering is absorbed and vibration is reduced, and the four internal springs (9) reset to drive the whole soft landing buffer device to return to the original position after landing; a sealing sleeve (4) is arranged between the guide cylinder (2) and the lower connecting base (5) to carry out dustproof protection on the soft landing buffer device.
4. An impact-resistant spring-damped soft landing bumper as set forth in claim 1, wherein: the guide cylinder overload protection mechanism mainly comprises an upper connecting base (1), a guide cylinder (2), a metal rubber pad (8) and a protection spring (7); the protection spring (7) is welded on the lower bottom surface of the upper connecting base (1); guide cylinder (2) constantly push down after receiving the impact force, guide cylinder seat (10) can promote metal rubber pad (8) constantly compress protection spring (7) and stop after reaching compression limit, prevent that the too big buffer that damages of impact force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122401601.1U CN216519347U (en) | 2021-10-05 | 2021-10-05 | Anti-impact spring damping type soft landing buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122401601.1U CN216519347U (en) | 2021-10-05 | 2021-10-05 | Anti-impact spring damping type soft landing buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519347U true CN216519347U (en) | 2022-05-13 |
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ID=81521475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122401601.1U Expired - Fee Related CN216519347U (en) | 2021-10-05 | 2021-10-05 | Anti-impact spring damping type soft landing buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775684A (en) * | 2021-10-05 | 2021-12-10 | 哈尔滨理工大学 | Spring damping type soft landing buffer device |
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2021
- 2021-10-05 CN CN202122401601.1U patent/CN216519347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775684A (en) * | 2021-10-05 | 2021-12-10 | 哈尔滨理工大学 | Spring damping type soft landing buffer device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |