CN216519347U - Anti-impact spring damping type soft landing buffer device - Google Patents

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

An anti-shock spring damping soft landing buffer device

technical field

The utility model relates to an anti-shock spring damping type soft landing buffer device, which belongs to the field of soft landing buffers.

Background technique

The anti-shock spring damping soft landing buffer device is a mechanical buffer and is a key component for the safe landing of the lander. It is mainly used for buffering and shock absorption during the landing process of the lander, absorbing most of the impact force generated by the landing, and making the lander safe and stable. The soft landing buffer device adopts a sealed structure to prevent the impact force acting on the soil and blowing dust into the soft landing buffer device during the landing process to prevent the lander from being damaged by excessive impact force, thereby affecting the work efficiency and stability. The anti-shock spring damping soft landing buffer device does not rely on other media, but only uses the mutual cooperation between the parts to complete the buffer, so as to realize the lightweight of the buffer device.

SUMMARY OF THE INVENTION

The utility model discloses an anti-shock spring damping type soft landing buffer device, which is mainly used in the field of soft landing buffer; the anti-shock spring damping type soft landing buffer device comprises an upper connecting base (1), an external spring damping buffer mechanism, a guide Tube overload protection mechanism, internal spring damping buffer mechanism, lower connecting base (5), sealing sleeve (4), ball pair connecting mechanism (6), etc.;

The advantages of the present utility model are:

1. The soft landing buffer device is protected from dust by the guide cylinder (2) and the sealing sleeve (4) to prevent the dust brought up during landing from entering the buffer device, resulting in damage to the internal structure of the buffer device, thereby improving the work of the entire device life.

2. During the landing process, the external springs (3) between the upper and lower connecting bases provide buffering, and at the same time, the four internal springs (9) between the guide cylinder (2) and the guide cylinder seat (10) also provide buffering and shock absorption; soft landing The internal and external structures of the buffer device buffer at the same time to avoid the impact force acting on one spring, which greatly improves the safety and stability of the work.

3. There is a protection spring (7) under the upper connecting base (1) to limit the maximum displacement of the guide cylinder seat (10) to prevent overload damage due to excessive impact force. The metal rubber pad (8) has both metal strength and rubber-like elasticity, and the frictional force between the metal wires acts as a buffer, thereby realizing secondary protection.

4. The ball pair connecting mechanism (6) connects the soft landing buffer device with the foot end through the ball pair, which has high flexibility and enables the foot end to quickly fit the ground on uneven terrain to ensure a smooth landing.

Description of drawings

The mechanism will be further described below with reference to the accompanying drawings.

Figure 1: Overall schematic diagram of the anti-shock spring damping soft landing buffer device;

Figure 2: Internal schematic diagram of the anti-shock spring damping soft landing buffer device.

Description of reference numerals: 1. Upper connection base, 2. Guide cylinder, 3. External spring, 4. Sealing sleeve, 5. Lower connection base, 6. Ball pair connection mechanism, 7. Protection spring, 8. Metal rubber pad, 9. Internal spring, 10. Guide cylinder seat.

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings in the embodiments of the present utility model, but the protection scope of the present utility model is not limited to the following description.

As shown in Figures 1-2, the anti-shock spring damping soft landing buffer device mainly includes: 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 (1). 4), the lower connecting base (5), the ball pair connecting mechanism (6).

As shown in Figure (1), the external spring damping buffer mechanism mainly includes an upper connecting base (1), a lower connecting base (5), and an external spring (3); the external spring (3) is welded between the upper and lower connecting bases, and the landing impact force When the impact force is large, the outer spring (3) plays a role of supporting and buffering. When the impact force is not large, the outer spring (3) absorbs the fluctuation of the vibration and ensures a smooth landing.

As shown in FIG. 2, the internal spring damping buffer mechanism mainly includes a guide cylinder (2), a guide cylinder seat (10), a metal rubber pad (8), four internal springs (9), a sealing sleeve (4), a lower connecting base ( 5); The upper ends of the four inner springs (9) are connected with the top of the guide cylinder seat (10) by welding, and the lower ends are hinged with the four ear seats at the bottom of the guide cylinder (2). The cylinder (2) is compressed, elongated and then reset, so as to absorb and buffer to reduce vibration. After the landing is completed, the four internal springs (9) are reset to drive the entire soft landing buffer device back to the original position; The metal rubber pad (8) that fits well; the selection of austenitic stainless steel material for the metal rubber pad (8) has both the strength of metal and the elasticity like rubber, and the friction between the metal wires plays a buffering role; A sealing sleeve (4) is arranged between the guide cylinder (2) and the lower connection base (5) to protect the soft landing buffer device from dust.

As shown in Figure 2, the guide cylinder overload protection mechanism mainly includes an upper connection 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 to the upper connection base ( 1) Lower bottom surface; after the guide cylinder (2) is continuously pressed down after being subjected to a large impact force, the guide cylinder seat (10) will push the metal rubber pad (8) to continuously compress the protection spring (7) and stop the buffer movement after reaching the compression limit.

As shown in Fig. 2, the ball pair connecting mechanism (6) 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, which has high flexibility, so that the foot end can be used in uneven terrain. Fast fit on the ground to ensure a smooth landing.

After the device is impacted, the guide cylinder (2) is pressed down, which drives the upper connecting base (1) to press down, so that the external spring (3) is compressed for buffering, and at the same time, the guide cylinder (2) and the guide cylinder seat (10) The four inner springs (9) between ) will also be stretched to complete the process of buffering and shock absorption; when the impact force is too large, the guide cylinder seat (10) will push the metal rubber pad (8) to continuously approach the final compression protection The spring (7) and the protection spring (7) stop moving after reaching the compression limit, and the friction between the wires in the metal rubber pad (8) acts as a buffer and shock absorber to prevent the buffer device from being damaged by excessive impact force; the external spring (3) While being compressed, it will also play the role of supporting the soft landing buffer device for secondary protection.

The advantage of this device is that the soft landing buffer device is sealed to prevent dust from entering the buffer device during landing, thereby improving the working life of the entire device; most of the connection methods are welded to reduce the application of scattered parts, which is conducive to its lightweight implementation. ; There is a protective spring (7) inside the guide cylinder (2) to limit the maximum displacement of the guide cylinder seat (10) to prevent overload damage due to excessive impact force.

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.

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