CN114645917A - Dynamic mechanism braking locking device and method under impact action - Google Patents

Abstract

The invention belongs to the technical field of mechanical equipment, and discloses a dynamic mechanism braking and locking device and method under impact action. The braking and locking device includes: a base and an actuating mechanism, the actuating mechanism is connected with the base, and the actuating mechanism can move relative to the base; the actuating mechanism is provided with a first A limit hole, the first limit hole is provided with a locking pin, and the end of the locking pin is in contact with the base; the base is provided with a limit block and a second A limit hole, when the actuating mechanism moves to the position blocked by the limit block, the locking pin reaches the second limit hole and is inserted into the second limit hole. The invention solves the problems of low braking and locking reliability of the previous dynamic mechanism, complex structure, poor maintainability, large space and difficult layout, and improves the reliability of the system and the braking and locking efficiency.

Description

Braking and locking device and method for dynamic mechanism under impact

technical field

The invention relates to the technical field of mechanical equipment, in particular to a dynamic mechanism braking and locking device and method under the action of impact.

Background technique

The description of the background technology in the present invention belongs to the related art related to the present invention, and is only used to illustrate and facilitate the understanding of the invention content of the present invention, and should not be construed as the applicant's explicit belief or presumption that the applicant believes that the present invention is the first application of the present invention. the prior art of the filing date.

In a rapid flip opening system of a heavy-duty air defense device, the opening mechanism adopts a multi-link continuous action strategy. During the opening process, it is necessary to dynamically brake and lock the link that moves rapidly along the base under the impact in the limited space. At present, the dynamic braking and locking technology of similar mechanisms can be divided into cylinder-controlled active braking and active limit braking with proximity switches. Both of them are characterized by a certain active control strategy, which exists in multi-link fast-acting mechanisms. Low reliability, complex structure, poor maintainability, large space and difficult layout.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present invention is to provide a dynamic mechanism braking and locking device and method under the action of impact, which solves the problems of low reliability of dynamic mechanism braking and locking, complex structure, poor maintainability, large space and difficult layout in the past. The reliability and braking efficiency of the system are improved.

A dynamic mechanism braking and locking device under impact, comprising:

a base and an actuating mechanism, the actuating mechanism is connected with the base, and the actuating mechanism can move relatively with the base;

The actuating mechanism is provided with a first limiting hole, a locking pin is arranged at the first limiting hole, and the end of the locking pin is in contact with the base;

The base is provided with a limit block and a second limit hole, and when the actuating mechanism moves to a position blocked by the limit block, the locking pin reaches the second limit hole and is moved. Insert into the second limiting hole.

Further, the actuating mechanism can move relative to the base including translation and rotation.

Further, the base is provided with a chute, the end of the locking pin abuts in the chute, and the second limit hole is arranged in the chute.

Further, a limit plate is provided on the limit block, and the limit plate is made of elastic material.

Further, the limiting plate is a steel belt vulcanized rubber plate.

Further, the first limiting hole is provided with a plug-in cylinder, and the plug-in cylinder is connected with the locking pin to provide power for the locking pin.

Further, a spring is provided between the inserting and pulling oil cylinder and the locking pin, and the spring is in a compressed state when the locking pin is in contact with the base plate.

Further, the first limiting hole is provided with a fixing portion, a spring is arranged between the fixing portion and the fixing portion and the locking pin, and the locking pin is in contact with the base plate. When connected, the spring is in a compressed state.

Further, the actuating mechanism is an actuating link, and the actuating link is rotatably connected to the base through a rotating shaft.

A method of using a dynamic mechanism braking and locking device under the action of impact, the above-mentioned dynamic mechanism braking and locking device under the impact action is used for the dynamic mechanism braking and locking.

The embodiment of the present invention has the following beneficial effects:

The braking and locking device of the dynamic mechanism under the impact of the present invention can realize the rapid braking and locking of the dynamic mechanism under the impact; the braking and locking process does not need to be controlled, and has the characteristics of high reliability; the locking pin is hinged with the plug-in cylinder , and is always located in the hole of the actuating link, the insertion and extraction cylinder itself will not be sheared after the bolt is locked, the bolt action guide is simple and reliable, and has the characteristics of high safety; the structure is simple and compact, the required space is small, and the realization is strong. , Good maintainability.

Description of drawings

1 is a schematic structural diagram of the braking and locking device in the dynamic mechanism braking and locking device and method under the impact of the present invention (initially unlocked state);

2 is a schematic structural diagram of the braking and locking device in the dynamic mechanism braking and locking device and method under the impact of the present invention (locked state).

Detailed ways

The present application will be further introduced below with reference to the embodiments.

In order to describe the embodiments of the present invention or the technical solutions in the prior art more clearly, in the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment. Different embodiments can be replaced or combined, and for those skilled in the art, other implementations can also be obtained according to these embodiments without creative efforts.

In order to realize the dynamic braking and locking of the quick-acting link 2 quickly, simply and effectively, a structure and technology for realizing the dynamic braking and locking of the mechanism under the action of impact are designed.

In the dynamic braking and locking structure of this mechanism, a plug-in cylinder with a compression spring is installed on the fast-acting connecting rod, and after the connecting rod moves to the predetermined position of the base 1 with a limit hole, the spring force and Under the action of hydraulic pressure, the locking pin 22 on the plug-in cylinder is inserted into the limit hole to limit the mechanism. At the same time, a limit plate 131 (steel belt vulcanized rubber plate) limit block 13 is provided on the base 1 to limit the position of the connecting rod, so that the dynamic latch of the actuating connecting rod 2 under the action of impact is converted into a shock buffer The "static" latch at the rear improves the reliability of the brake lock.

When the mechanism needs to be unlocked, the locking pin 22 can be pulled out through the hydraulic pressure of the plug-in cylinder, so that the locking can be released and the opening mechanism can be reset.

In conjunction with accompanying drawings 1 and 2, a dynamic mechanism braking and locking device under impact, comprising:

A base 1 and an actuating mechanism 2, the actuating mechanism 2 is connected with the base 1, and the actuating mechanism 2 can move relative to the base 1;

The actuating mechanism 2 is provided with a first limiting hole, the first limiting hole is provided with a locking pin 22 , and the end of the locking pin 22 is in contact with the base 1 ;

The base 1 is provided with a limit block 13 and a second limit hole 12. When the actuating mechanism 2 moves to the position blocked by the limit block 13, the locking pin 22 reaches the first limit. The two limiting holes 12 are inserted into the second limiting holes 12 .

The above solution can already accomplish the purpose of the present invention, that is, it solves the problems of low braking and locking reliability of the previous dynamic mechanism, complex structure, poor maintainability, large space and difficult layout, and improves the reliability of the system and the braking and locking efficiency. . Some preferred solutions are given below on this basis.

In some embodiments of the present invention, the actuating mechanism 2 can move relative to the base 1 including translation and rotation. It should be noted here that the movement form of the actuating mechanism 2 is not limited, as long as dynamic locking is required, the above-mentioned structure can be used for locking.

In some embodiments of the present invention, the base 1 is provided with a chute 11 , the end of the locking pin 22 abuts in the chute 11 , and the second limiting hole 12 is provided in the in the chute 11.

It should be noted here that the cross-sectional shape of the chute 11 matches the movement trajectory of the locking pin 22 , so as to realize the smooth movement of the locking pin 22 during the movement. For example, in some embodiments, the locking pin 22 is translational, and the shape of the chute 11 may be a straight line or other shapes matching the movement trajectory of the locking pin 22. For example, in some embodiments, the actuating mechanism 2 is a When rotated, the shape of the chute 11 is designed as an arc. The shape and depth of the chute 11 are not limited here.

In some embodiments of the present invention, the limiting block 13 is provided with a limiting plate 131 , and the limiting plate 131 is made of elastic material.

In some embodiments of the present invention, the limiting plate 131 is a steel belt vulcanized rubber plate.

It should be noted here that the limit plate 131 and the limit block 13 can be detachably connected. After repeated use, when the limit plate 131 has poor elasticity, the limit plate 131 can be easily replaced. The limit plate 131 and the limit plate 131 The connection method of the block 13 is not limited, and it may be screw connection or sticking, as long as it is convenient to replace and the use effect meets the requirements.

In some embodiments of the present invention, the first limiting hole is provided with a plug-in cylinder, and the plug-in cylinder is connected with the locking pin 22 to provide power for the locking pin 22 .

In some embodiments of the present invention, a spring is provided between the plugging cylinder and the locking pin 22 , and the spring is in a compressed state when the locking pin 22 is in contact with the base plate.

In some embodiments of the present invention, the first limiting hole is provided with a fixing portion, and a spring is arranged between the fixing portion, the fixing portion and the locking pin 22, and the When the locking pin 22 is in contact with the base plate, the spring is in a compressed state.

It should be noted here that as long as the locking pin 22 can be automatically locked, that is, it can provide power for the locking pin 22 to enter the second limit hole 12, and only a spring or only a hydraulic cylinder can be used. It can also be used in combination. Of course, other power modes can also be selected. The above embodiments are only preferred solutions, and are not intended to limit the protection scope of the present invention.

In some embodiments of the present invention, the actuating mechanism 2 is an actuating link 2 , and the actuating link 2 is rotatably connected to the base 1 through a rotating shaft 23 .

In some embodiments, the actuating link 2 is further provided with a connecting hole 24 for connecting with an external component.

A method of using a dynamic mechanism braking and locking device under the action of impact, the above-mentioned dynamic mechanism braking and locking device under the impact action is used for the dynamic mechanism braking and locking.

The braking and locking device of the dynamic mechanism under the impact of the present invention can realize the rapid braking and locking of the dynamic mechanism under the impact; the braking and locking process does not need to be controlled and has the characteristics of high reliability; the locking pin 22 is connected to the insertion and extraction cylinder It is hinged and always located in the hole of the actuating link 2. After the bolt is locked, the insertion and extraction cylinder itself will not be sheared. The bolt action guide is simple and reliable, and has the characteristics of high safety; the structure is simple and compact, and the required space is small, which can be realized Strong and maintainable.

In some specific embodiments, a dynamic mechanism braking and locking technology under impact action is shown in FIG. 1 , which is mainly composed of an actuating mechanism 2 (represented by an actuating link 2 in the schematic diagram), a rotary shaft 23 , a plug Cylinder, locking pin 22, base 1, wherein base 1 is provided with chute 11, second limit hole 12, limit block 13, rotary shaft 23 hole, limit block 13 is screwed with vulcanized rubber The limit plate 131 of the plate, the plug-in cylinder is installed on the actuating mechanism 2, the locking pin 22 is hinged on the piston rod of the plug-in cylinder, and a compression spring is arranged between the plug-in cylinder piston rod and the cylinder bottom.

When the actuating mechanism 2 rotates around the rotary shaft 23 (translational mechanisms are also acceptable), the locking pin 22 slides against the chute 11 under the action of the compression spring of the plug-in cylinder, and the actuating link 2 rotates to the limit block. At 13:00, the limit plate 131 is used to slow down the impact, the limit block 13 blocks the continuous movement of the actuating link 2, converts the dynamic latch into a quasi-static latch, and the locking pin 22 is inserted into the second limit hole 12 under the action of the compression spring The brake locking of the actuating link 2 is realized.

The dynamic brake locking technology of this kind of mechanism can realize fast and effective locking. In order to facilitate the introduction of the principle of its braking locking technology, the process is divided into three steps, namely limit, buffer, and latch. The final brake locking state is as follows: As shown in Figure 2, its working principle is as follows:

1) Limit

The limit function is realized by the limit block 13 on the base 1 , and the purpose is to block the continuous movement of the actuating link 2 .

2) Buffer

The buffer function is realized by the limit plate 131 on the limit block 13 of the base 1 , and the purpose is to reduce the impact effect of the actuating link 2 . The limit plate 131 is vulcanized with an aviation rubber plate, which has a good shock absorption and impact resistance effect.

3) Latch

The action of the pin is mainly realized by the extension of the compression spring in the insertion and extraction cylinder. After the actuating link 2 is limited, the locking pin 22 leaves the chute 11 and reaches the predetermined limit hole, and the locking pin 22 extends under the action of the spring restoring force. Insert the limit hole.

When the actuating mechanism 2 moves rapidly under strong impact, in order to enhance the reliability of dynamic brake locking, hydraulic pressure can be provided by the plug-in cylinder to assist the plug-in, so that the lock pin 22 can complete the plug-in action more quickly and effectively. .

When the mechanism needs to be unlocked, the locking pin 22 can be pulled out through the pressure of the liquid back cavity of the plug-in cylinder, so that the locking can be released and the opening mechanism can be reset.

The actuating link 2 rotates around the rotary shaft 23 under the action of the impact (this invention patent can also be realized in the translation type mechanism), and needs to be quickly braked and locked when it moves to the position of the limit block 13 . The invented dynamic braking locking technology of this mechanism can realize fast and effective locking. In order to facilitate the introduction of the implementation of its braking locking technology, the process is divided into 3 steps. The specific work flow is as follows:

①Limiting: As shown in Figure 1, the actuating link 2 rotates around the rotary shaft 23 under the impact action. When it moves to the limit block 13, the limit block 13 blocks the continuous rotation of the actuating link 2.

②Buffering: When the dynamic actuating link 2 collides with the limit block 13 under the action of the impact, the actuating link 2 is in contact with the limit plate 131 on the limit block 13, and the limit plate 131 is a steel strip vulcanized Aviation rubber sheet, it has better shock absorption, energy absorption and impact resistance effect, and can effectively slow down the impact of the actuating link 2.

③Plugging pin: When the actuating link 2 collides with the limit block 13, the locking pin 22 leaves the chute 11 to reach the predetermined limit hole, and the locking pin 22 extends and inserts into the limit hole under the action of the spring restoring force to realize the operation. The brake of the moving link 2 is locked. When the actuating mechanism 2 moves rapidly under strong impact, in order to enhance the reliability of dynamic brake locking, hydraulic pressure can be provided by the plug-in cylinder to assist the plug-in, so that the lock pin 22 can complete the plug-in action more quickly and effectively. .

When the mechanism needs to be unlocked, the locking pin 22 can be pulled out through the pressure of the liquid counter-chamber of the plug-in cylinder, and the locking of the actuating link 2 can be released to realize the reset of the opening mechanism.

It should be noted that the above embodiments can be freely combined as required. The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A dynamic mechanism braking locking device under impact, comprising:

the actuating mechanism is connected with the base and can move relative to the base;

the actuating mechanism is provided with a first limiting hole, a locking pin is arranged at the first limiting hole, and the tail end of the locking pin is abutted to the base;

the base is provided with a limiting block and a second limiting hole, and when the actuating mechanism moves to a position blocked by the limiting block, the locking pin reaches the second limiting hole and is inserted into the second limiting hole.

2. The dynamic mechanism brake locking device under impact of claim 1, wherein the actuator is movable relative to the base including translational and rotational movements.

3. The dynamic mechanism braking locking device under impact as claimed in claim 1, wherein the base has a slot, the locking pin has a distal end abutting against the slot, and the second limiting hole is disposed in the slot.

4. The dynamic mechanism braking locking device under impact according to claim 1, wherein the limiting block is provided with a limiting plate, and the limiting plate is made of an elastic material.

5. The dynamic mechanism brake locking device under impact of claim 4, wherein the limiting plate is a steel belt vulcanized rubber plate.

6. The dynamic mechanism braking locking device under impact of claim 1, wherein a plug cylinder is disposed at the first limiting hole, and the plug cylinder is connected to the locking pin to provide power for the locking pin.

7. The dynamic mechanism braking locking device under impact of claim 6, wherein a spring is disposed between the plug cylinder and the locking pin, and the spring is in a compressed state when the locking pin abuts against the base plate.

8. The dynamic mechanism braking latch mechanism under impact of claim 1, wherein a fixed portion is disposed at the first position-limiting aperture, a spring is disposed between the fixed portion and the latch pin, and the spring is compressed when the latch pin abuts the base plate.

9. The dynamic mechanism brake locking device under impact of claim 1, wherein the actuating mechanism is an actuating link, the actuating link being pivotally connected to the base by a pivot.

10. A method of using a dynamic mechanism brake locking device under impact, characterized in that the dynamic mechanism brake locking device under impact according to any one of claims 1-9 is used for dynamic mechanism brake locking.

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