CN114645917B - Dynamic mechanism braking locking device and method under impact action - Google Patents
Dynamic mechanism braking locking device and method under impact action Download PDFInfo
- Publication number
- CN114645917B CN114645917B CN202210109876.4A CN202210109876A CN114645917B CN 114645917 B CN114645917 B CN 114645917B CN 202210109876 A CN202210109876 A CN 202210109876A CN 114645917 B CN114645917 B CN 114645917B
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- locking pin
- base
- locking
- limiting hole
- limiting
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- 230000009471 action Effects 0.000 title claims abstract description 31
- 230000008278 dynamic mechanism Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000000758 substrate Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004636 vulcanized rubber Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013519 translation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D71/00—Mechanisms for bringing members to rest in a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D71/00—Mechanisms for bringing members to rest in a predetermined position
- F16D71/02—Mechanisms for bringing members to rest in a predetermined position comprising auxiliary means for producing the final movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The invention belongs to the technical field of mechanical equipment, and discloses a dynamic mechanism braking locking device and method under the action of impact. Wherein the brake locking means comprises: the device comprises a base and an actuating mechanism, wherein 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 with the base; the base is provided with a limiting block and a second limiting hole, and the locking pin reaches the second limiting hole and is inserted into the second limiting hole when the actuating mechanism moves to the position blocked by the limiting block. The invention solves the problems of low braking locking reliability, complex structure, poor maintainability, large occupied space and difficult arrangement of the traditional dynamic mechanism, and improves the system reliability and the braking locking efficiency.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a dynamic mechanism braking locking device and method under the impact action.
Background
The description of the background art to which the present invention pertains is merely for illustrating and facilitating understanding of the summary of the invention, and should not be construed as an explicit recognition or presumption by the applicant that the applicant regards the prior art as the filing date of the first filed application.
In a rapid overturning and opening system of a heavy-duty civil air defense device, an opening mechanism adopts a multi-connecting rod continuous action strategy, and dynamic braking and locking are required to be carried out on a connecting rod which rapidly acts along a base under the impact action in a limited space in the opening process. The existing dynamic braking locking technology of similar mechanisms can be divided into active braking controlled by an oil cylinder and active limiting braking with an approach switch, and is characterized in that a certain active control strategy is needed, and the problems of low reliability, complex structure, poor maintainability and large occupied space are solved in the mechanism with the rapid action of multiple connecting rods.
Disclosure of Invention
The embodiment of the invention aims to provide a dynamic mechanism braking locking device and method under the impact action, which solve the problems of low braking locking reliability, complex structure, poor maintainability and large occupied space of the traditional dynamic mechanism and are not easy to arrange, and improve the reliability and braking locking efficiency of a system.
A dynamic mechanism brake lock under impact comprising:
the device comprises a base and an actuating mechanism, wherein 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 with the base;
the base is provided with a limiting block and a second limiting hole, and the locking pin reaches the second limiting hole and is inserted into the second limiting hole when the actuating mechanism moves to the position blocked by the limiting block.
Further, the actuating mechanism can move relative to the base, including translation and rotation.
Further, the base is provided with a chute, the tail end of the locking pin is abutted in the chute, and the second limiting hole is formed in the chute.
Further, the limiting block is provided with a limiting plate, and the limiting plate is made of elastic materials.
Further, the limiting plate is a steel belt vulcanized rubber plate.
Further, a plug oil cylinder is arranged at the first limiting hole, and the plug oil cylinder is connected with the locking pin to provide power for the locking pin.
Further, a spring is arranged between the plug oil cylinder and the locking pin, and the spring is in a compressed state when the locking pin is abutted against the substrate.
Further, a fixing part is arranged at the first limiting hole, a spring is arranged between the fixing part and between the fixing part and the locking pin, and the spring is in a compressed state when the locking pin is abutted with the substrate.
Further, the actuating mechanism is an actuating connecting rod, and the actuating connecting rod is rotationally connected with the base through a rotating shaft.
The application method of the dynamic mechanism braking locking device under the impact action is that the dynamic mechanism braking locking device under the impact action is used for braking locking of the dynamic mechanism.
The embodiment of the invention has the following beneficial effects:
the dynamic mechanism braking locking device under the impact action can realize the rapid braking locking of the dynamic mechanism under the impact action; the braking and locking process is not required to be controlled, and the method has the characteristic of high reliability; the locking pin is hinged with the plug cylinder and is always positioned in a hole of the actuating connecting rod, the plug cylinder is not sheared after the locking pin is locked, and the action and the guide of the plug pin are simple and reliable, so that the safety is high; the structure is simple and compact, the required space is small, the realizability is strong, and the maintainability is good.
Drawings
FIG. 1 is a schematic view of a dynamic mechanism brake locking device and method according to the present invention (initial unlocked state);
fig. 2 is a schematic diagram of a dynamic mechanism brake locking device and method according to the present invention under impact (locked state).
Detailed Description
The present application is further described below with reference to examples.
In order to more clearly describe embodiments of the present invention or technical solutions in the prior art, in the following description, different "an embodiment" or "an embodiment" does not necessarily refer to the same embodiment. Various embodiments may be substituted or combined, and other implementations may be obtained from these embodiments by those of ordinary skill in the art without undue burden.
In order to quickly, simply and effectively realize dynamic braking locking of the quick-acting connecting rod 2, a structure and a technology for realizing dynamic braking locking of a mechanism under the impact effect are designed.
In the dynamic braking locking structure of the mechanism, through installing a plug oil cylinder with a compression spring on a rapidly-acting connecting rod, after the connecting rod moves to a preset position of a base 1 with a limiting hole, a locking pin 22 on the plug oil cylinder is inserted into the limiting hole under the action of spring force and hydraulic pressure to limit the mechanism. Meanwhile, a limiting block 13 of a limiting plate 131 (a steel belt vulcanized rubber plate) is arranged on the base 1 and used for limiting the connecting rod, so that a dynamic bolt of the actuating connecting rod 2 is converted into a 'static' bolt after impact buffering under the impact action, and the reliability of braking locking is improved.
When the mechanism needs to be unlocked, the locking pin 22 can be pulled out through hydraulic pressure of the plug cylinder, so that the locking can be unlocked, and the unlocking mechanism can be reset.
With reference to fig. 1 and 2, a dynamic mechanism brake locking device under impact action comprises:
a base 1 and an actuating mechanism 2, wherein 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, a locking pin 22 is arranged at the first limiting hole, and the tail end of the locking pin 22 is abutted with the base 1;
the base 1 is provided with a limiting block 13 and a second limiting hole 12, and the locking pin 22 reaches the second limiting hole 12 and is inserted into the second limiting hole 12 when the actuating mechanism 2 moves to a position blocked by the limiting block 13.
The scheme can achieve the purpose of the invention, namely, the problems of low braking locking reliability, complex structure, poor maintenance and large occupied space of the traditional dynamic mechanism are solved, and the system reliability and the braking locking efficiency are improved. Some preferred embodiments are given below on this basis.
In some embodiments of the invention, the actuating mechanism 2 may move relative to the base 1, including translation and rotation. The movement form of the actuator 2 is not limited, and the above-described structure may be employed for the locking as long as the dynamic locking is required.
In some embodiments of the present invention, the base 1 is provided with a chute 11, the end of the locking pin 22 abuts against the chute 11, and the second limiting hole 12 is disposed in the chute 11.
Here, the sectional shape of the chute 11 matches the movement locus of the lock pin 22, and smooth movement during movement of the lock pin 22 is achieved. As in some embodiments, the locking pin 22 is translational, the shape of the chute 11 may be linear or otherwise shaped to match the trajectory of the locking pin 22, as in some embodiments, the actuator 2 is rotational and the chute 11 is arcuate in shape. 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 an elastic material.
In some embodiments of the present invention, the limiting plate 131 is a steel strip vulcanized rubber plate.
It should be noted that, the limiting plate 131 and the limiting block 13 may be detachably connected, after multiple uses, when the elasticity of the limiting plate 131 is poor, the limiting plate 131 is convenient to be replaced, the connection mode of the limiting plate 131 and the limiting block 13 is not limited, and the limiting plate 131 and the limiting block 13 may be in a threaded connection mode or a sticking mode, so long as the limiting plate is convenient to replace, and the use effect can meet the requirement.
In some embodiments of the present invention, a plug cylinder is disposed at the first limiting hole, and the plug cylinder is connected to the locking pin 22 to provide power for the locking pin 22.
In some embodiments of the present invention, a spring is disposed between the plug cylinder and the locking pin 22, and the spring is in a compressed state when the locking pin 22 abuts against the substrate.
In some embodiments of the present invention, a fixing portion is disposed at the first limiting hole, a spring is disposed between the fixing portion and the fixing portion, and between the fixing portion and the locking pin 22, and when the locking pin 22 abuts against the substrate, the spring is in a compressed state.
It should be noted that, the locking pin 22 may be automatically locked, that is, the locking pin 22 may be driven into the second limiting hole 12, only a spring or only a hydraulic cylinder may be used, or a combination of two or more power modes may be used, and the above embodiment is merely a preferred embodiment and is not intended to limit the 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 rotation shaft 23.
In some embodiments, the actuating link 2 is further provided with a connection hole 24 for connection to an external component.
The application method of the dynamic mechanism braking locking device under the impact action is that the dynamic mechanism braking locking device under the impact action is used for braking locking of the dynamic mechanism.
The dynamic mechanism braking locking device under the impact action can realize the rapid braking locking of the dynamic mechanism under the impact action; the braking and locking process is not required to be controlled, and the method has the characteristic of high reliability; the locking pin 22 is hinged with the plug cylinder and is always positioned in the hole of the actuating connecting rod 2, the plug cylinder is not sheared after the locking pin is locked, and the action and the guide of the plug pin are simple and reliable, so that the safety is high; the structure is simple and compact, the required space is small, the realizability is strong, and the maintainability is good.
In some specific embodiments, a dynamic mechanism braking locking technology under impact action is shown in fig. 1, and mainly comprises an actuating mechanism 2 (shown as an actuating connecting rod 2 in the schematic diagram), a rotating shaft 23, a plug cylinder, a locking pin 22 and a base 1, wherein a sliding groove 11, a second limiting hole 12, a limiting block 13 and a rotating shaft 23 hole are formed in the base 1, a limiting plate 131 with a vulcanized rubber plate is screwed on the limiting block 13, the plug cylinder is mounted on the actuating mechanism 2, the locking pin 22 is hinged on a piston rod of the plug cylinder, and a compression spring is arranged between the piston rod of the plug cylinder and a cylinder bottom.
When the actuating mechanism 2 rotates around the rotating shaft 23 (the translation mechanism can also be used), the locking pin 22 slides tightly against the chute 11 under the action of the compression spring of the plug cylinder, when the actuating connecting rod 2 rotates to the limiting block 13, the limiting plate 131 is used for slowing down the impact, the limiting block 13 blocks the actuating connecting rod 2 from continuously moving, the dynamic bolt is converted into a quasi-static bolt, and the locking pin 22 is inserted into the second limiting hole 12 under the action of the compression spring to realize the braking locking of the actuating connecting rod 2.
The dynamic braking and locking technology of the mechanism can realize quick and effective locking, the braking and locking technology principle is conveniently introduced to divide the process into 3 steps, namely limiting, buffering and inserting pins, and the final braking and locking state is shown in figure 2, and the working principle is as follows:
1) Limiting device
The limiting function is realized by a limiting block 13 on the base 1, and the purpose is to block the continuous movement of the actuating connecting rod 2.
2) Buffering
The buffer function is realized by a limiting plate 131 on a limiting block 13 of the base 1, so as to slow down the impact effect of the actuating connecting rod 2. The limiting plate 131 is vulcanized with an aviation rubber plate, and has a good shock absorption and impact prevention effect.
3) Bolt
The action of the bolt is mainly realized by extending a compression spring in the plug cylinder, the locking pin 22 leaves the chute 11 to reach a preset limiting hole after the connecting rod 2 is actuated to limit, and the locking pin 22 extends out of the limiting hole under the action of the restoring force of the spring.
In order to enhance the reliability of dynamic braking locking when the actuating mechanism 2 moves rapidly under strong impact, hydraulic pressure can be provided by the plug cylinder during the plugging of the pin, so as to assist the pin and realize that the locking pin 22 can complete the plugging action more rapidly 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 cylinder, so that the locking can be unlocked, and the reset of the opening mechanism can be realized.
Under the impact action, the actuating connecting rod 2 rotates around the rotating shaft 23 (the invention can be realized by a translational mechanism), and the invention needs to be quickly braked and locked when moving to the position of the limiting block 13. The dynamic braking locking technology of the mechanism can realize quick and effective locking, and for convenience of introduction of the braking locking technology implementation mode, the braking locking technology is divided into 3 steps, and the specific working flow is as follows:
(1) limiting: the actuating link 2 rotates around the rotating shaft 23 under the impact action as shown in fig. 1, and when moving to the stopper 13, the stopper 13 blocks the continued rotation of the actuating link 2.
(2) Buffering: when the dynamic actuating connecting rod 2 under the impact effect collides with the limiting block 13, the actuating connecting rod 2 is contacted with the limiting plate 131 on the limiting block 13, and the limiting plate 131 is a steel belt vulcanized aviation rubber plate, so that the dynamic actuating connecting rod has good effects of damping, absorbing energy and preventing impact, and effectively slows down the impact of the actuating connecting rod 2.
(3) A bolt: when the actuating connecting rod 2 collides with the limiting block 13, the locking pin 22 leaves the chute 11 to reach a preset limiting hole, and the locking pin 22 stretches out and inserts into the limiting hole under the action of the restoring force of the spring, so that the braking locking of the actuating connecting rod 2 is realized. In order to enhance the reliability of dynamic braking locking when the actuating mechanism 2 moves rapidly under strong impact, hydraulic pressure can be provided by the plug cylinder during the plugging of the pin, so as to assist the pin and realize that the locking pin 22 can complete the plugging action more rapidly and effectively.
When the mechanism needs to be unlocked, the locking pin 22 can be pulled out by the pressure of the liquid back cavity of the plug cylinder, and the locking of the actuating connecting rod 2 can be released, so that the reset of the opening mechanism is realized.
It should be noted that the above embodiments can be freely combined as needed. The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A dynamic mechanism brake lock under impact comprising:
the device comprises a base and an actuating mechanism, wherein 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 with the base;
the base is provided with a limiting block and a second limiting hole, and the locking pin reaches the second limiting hole and is inserted into the second limiting hole when the actuating mechanism moves to the position blocked by the limiting block; the actuating mechanism can relatively move with the base to rotate; the first limiting hole is provided with a plug oil cylinder, and the plug oil cylinder is connected with the locking pin to provide power for the locking pin; a spring is arranged between the plug oil cylinder and the locking pin, and the spring is in a compressed state when the locking pin is abutted with the substrate; a fixed part is arranged at the first limiting hole, a spring is arranged between the fixed part and the locking pin, and the spring is in a compressed state when the locking pin is abutted against the substrate; the actuating mechanism is an actuating connecting rod, and the actuating connecting rod is rotationally connected with the base through a rotating shaft.
2. The device of claim 1, wherein the base is provided with a chute, the end of the locking pin is abutted in the chute, and the second limiting hole is formed in the chute.
3. The dynamic mechanism braking locking device under the impact action according to claim 1, wherein the limiting block is provided with a limiting plate, and the limiting plate is made of elastic materials.
4. A dynamic mechanism brake locking device under impact according to claim 3, wherein the limiting plate is a steel band vulcanized rubber plate.
5. 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 1-4 is used for dynamic mechanism brake locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109876.4A CN114645917B (en) | 2022-01-29 | 2022-01-29 | Dynamic mechanism braking locking device and method under impact action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210109876.4A CN114645917B (en) | 2022-01-29 | 2022-01-29 | Dynamic mechanism braking locking device and method under impact action |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645917A CN114645917A (en) | 2022-06-21 |
| CN114645917B true CN114645917B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210109876.4A Active CN114645917B (en) | 2022-01-29 | 2022-01-29 | Dynamic mechanism braking locking device and method under impact action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114645917B (en) |
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