CN111319521A - Semi-active vibration reduction method and vibration reduction system for lightning protection seat - Google Patents
Semi-active vibration reduction method and vibration reduction system for lightning protection seat Download PDFInfo
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- CN111319521A CN111319521A CN202010142922.1A CN202010142922A CN111319521A CN 111319521 A CN111319521 A CN 111319521A CN 202010142922 A CN202010142922 A CN 202010142922A CN 111319521 A CN111319521 A CN 111319521A
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- lightning protection
- seat
- vehicle
- protection seat
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000009467 reduction Effects 0.000 title claims description 32
- 238000013016 damping Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000001133 acceleration Effects 0.000 claims description 35
- 239000000725 suspension Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/005—Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0276—Non-manual adjustments, e.g. with electrical operation with logic circuits reaction to emergency situations, e.g. crash
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
Abstract
The invention discloses a semi-active vibration damping method and a vibration damping system for a lightning protection seat. Meanwhile, the seat board of the lightning protection seat extends to automatically lift the legs of the passengers so as to match the lightning protection seat to be connected with the chassis of the vehicle. The vibration damping system is designed based on the semi-active vibration damping method, compared with the common energy absorption design, the vibration damping method and the vibration damping system can fundamentally solve the problem of energy transmission, not only can the vibration be timely absorbed, but also the vibration damping effect is good, and further the safety of personnel on the seat is ensured.
Description
Technical Field
The invention relates to the technical field of vibration reduction of a lightning protection seat, in particular to a semi-active vibration reduction method of the lightning protection seat.
Background
With the rapid development of the anti-thunder vehicle and its wide use in the battlefield, the design and technology of the anti-thunder seat also changes significantly.
In order to reduce the impact quantity transmitted in explosion, the early lightning protection seat directly installs a standard seat on the side and the top of a vehicle, and the separation mode of the seat is completed by utilizing the force generated in the explosion process and vibration reduction elements such as a spring, a damper and the like. The passive separation mode depends on inertia generated by explosion, the vibration reduction mechanism of the seat can start to operate only when the vibration quantity is transmitted to the vibration reduction mechanism of the seat, the requirement on the vibration reduction mechanism is high, once the vibration reduction level does not meet the requirement, irreversible damage can be caused to passengers on the vehicle, and the problems of untimely vibration reduction and vibration avoidance, incapability of ensuring personnel safety on the seat and the like exist.
Therefore, how to develop a novel vibration damping method to realize timely vibration damping of a seat in a vehicle after the vehicle encounters a thunder so as to reduce physical damage to a passenger becomes a problem to be solved urgently.
Disclosure of Invention
In view of the above, the invention discloses a semi-active vibration reduction method and a vibration reduction system for a lightning protection seat, which are used for at least solving the problems that the existing passive vibration reduction method for the lightning protection seat cannot effectively prevent vibration in time, cannot ensure the safety of personnel on the seat and the like.
The invention provides a semi-active vibration damping method for a lightning protection seat, wherein the lightning protection seat is rigidly arranged on the side wall of a vehicle in a back manner through an electric locking mechanism, and the vibration damping method comprises the following steps:
judging whether the vehicle meets thunder or not;
and when the vehicle is judged to be in a thunder, the electric locking mechanism is controlled to unlock, the lightning protection seat is separated from the vehicle rigidly and then is in a suspension posture until the lightning protection seat is connected with a chassis of the vehicle, and meanwhile, the seat plate of the lightning protection seat is controlled to extend.
Preferably, the judging whether the vehicle meets the thunder specifically includes:
installing an acceleration sensor on a track wheel center shaft of the vehicle, and detecting an acceleration value of the track wheel center shaft of the vehicle along the longitudinal direction;
and comparing the detected acceleration value with a threshold value, and judging that the vehicle meets thunder when the detected acceleration value is greater than the threshold value.
In another aspect, the present invention provides a semi-active damping system for a lightning protection seat, the damping system comprising: the device comprises a lightning protection seat, an electric locking mechanism, an acceleration sensor and a controller;
the lightning protection seat includes: the backrest, the seat plate, the side plate and the hydraulic rod;
the side wall of the seat plate is fixedly connected with the lower edge of the backrest;
the upper edge of the side plate is rotatably connected with the side wall of the other side of the seat plate;
the hydraulic rod is fixedly arranged in the seat plate, and the telescopic end of the hydraulic rod penetrates out of the seat plate and is rotationally connected with the inner side surface of the side plate;
one end of the electric locking mechanism is fixedly connected with the side wall of the vehicle, and the other end of the electric locking mechanism is fixedly connected with a backrest in the lightning protection seat;
the acceleration sensor is mounted on a middle shaft of the vehicle crawler wheel and used for detecting the longitudinal acceleration of the middle shaft;
the input end of the controller is connected with the output end of the acceleration sensor and used for receiving longitudinal acceleration information sent by the acceleration sensor, and the output end of the controller is respectively connected with the control end of a hydraulic rod in the lightning protection seat and the control end of the electric locking mechanism.
Preferably, the electric locking mechanism includes: the locking device comprises a driving motor, a first locking block, a bearing group and a second locking block;
the driving motor is fixedly arranged in the side wall of the vehicle;
a first connecting rod extending outwards is arranged on the side face of one side of the first locking block in the axial direction, a convex strip penetrating through two ends is arranged on the side face of the other side of the first locking block, and the first connecting rod in the first locking block is in driving connection with a power output shaft in the driving motor through a coupler;
the bearing group is fixedly arranged in a backrest in the lightning protection seat;
a second connecting rod extending outwards is axially arranged on one side face of the second locking block, a groove penetrating through two ends is formed in the other side face of the second locking block, the groove in the second locking block is sleeved outside the convex strip in the first locking block, and the end portion of the second connecting rod in the second locking block penetrates through the backrest in the lightning protection seat and then is fixedly embedded in the inner ring of the bearing group.
Preferably, the lower surface of the seat plate and the inner side wall of the side plate are both provided with a damping sponge layer.
Further preferably, an upwardly recessed guide groove is formed in the inner side wall of the side plate along the telescopic direction of the hydraulic rod, and the telescopic end of the hydraulic rod is located in the guide groove.
According to the semi-active vibration attenuation method for the lightning protection seat, when the vehicle is judged to be in a lightning strike, the electric locking mechanism is controlled to unlock, the lightning protection seat is separated from the vehicle in a rigid mode and is in a suspension posture, at the moment, the lightning protection seat is not in contact with the vehicle body, so that when explosion energy is transmitted to the vehicle body, the explosion energy is not transmitted to the lightning protection seat, and non-contact vibration attenuation is achieved. When the lightning protection seat begins to move in a free falling mode, the vehicle also moves upwards along with the impact, the lightning protection seat and the vehicle meet in a certain time, then the lightning protection seat and the vehicle continue to move upwards or downwards, but energy is consumed a lot at the moment, so that the impact force can be greatly reduced or even disappears, and vibration reduction of the lightning protection seat is completed. Meanwhile, the seat board of the lightning protection seat extends to automatically lift the legs of the passengers so as to match the lightning protection seat to be connected with the chassis of the vehicle.
The semi-active vibration reduction system for the lightning protection seat is designed based on the semi-active vibration reduction method, once the vehicle is judged to meet the thunder, the electric locking mechanism is controlled to unlock, the lightning protection seat is rigidly separated from the vehicle and is in a suspension posture, and therefore the impact force of the vehicle is prevented from being transmitted to the lightning protection seat after the vehicle meets the thunder, and the purpose of vibration reduction is achieved.
Compared with the common energy absorption design, the semi-active vibration attenuation method for the lightning protection seat provided by the invention can radically solve the problem of energy transmission, has good vibration attenuation effect and can timely avoid vibration, thereby ensuring the safety of personnel on the seat.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a semi-active vibration damping method for a lightning protection seat according to an embodiment of the disclosure;
FIG. 2 is a schematic block diagram of a semi-active damping system for a lightning protection seat according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of a lightning protection seat in a semi-active vibration damping system for a lightning protection seat according to an embodiment of the disclosure;
fig. 4 is a schematic structural diagram of an electric locking mechanism in a semi-active vibration damping system for a lightning protection seat according to an embodiment of the disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The anti-vibration seat aims to solve the problems that the traditional anti-vibration seat is subjected to vibration reduction through energy-absorbing structural design, vibration reduction timeliness is poor, vibration reduction effect is poor and the like. The embodiment provides a semi-active vibration damping method for a lightning protection seat, which is used for firstly trying to rigidly separate the lightning protection seat from a vehicle after the vehicle meets a lightning and achieving the purpose of vibration damping in a non-contact mode.
The semi-active vibration reduction method for the lightning protection seat provided by the embodiment is suitable for a back-mounted lightning protection seat, namely, the lightning protection seat is rigidly mounted on the side wall of a vehicle through an electric locking mechanism, and referring to fig. 1, the vibration reduction method comprises the following specific steps:
s1: judging whether the vehicle meets thunder or not;
s2: when the vehicle is judged to be in thunder, the electric locking mechanism is controlled to unlock, the lightning protection seat is separated from the vehicle in a rigid mode and is in a suspension posture until the lightning protection seat is connected with a chassis of the vehicle, and the electric locking mechanism is controlled to unlock and simultaneously the seat board of the lightning protection seat is controlled to extend.
In step S1, there are many methods for determining whether a vehicle meets a thunder, and the method for determining whether a vehicle meets a thunder provided in this embodiment specifically includes:
s11: installing an acceleration sensor on a track wheel center shaft of the vehicle, and detecting an acceleration value of the track wheel center shaft of the vehicle along the longitudinal direction;
s12: and comparing the detected acceleration value with a threshold value, and judging that the vehicle meets thunder when the detected acceleration value is greater than the threshold value.
The threshold value is a preset value set according to the landform and the terrain actually driven, and generally, the larger the bumpiness degree of the landform and the terrain is, the larger the set threshold value is.
According to the semi-active vibration reduction method for the lightning protection seat, after the vehicle is judged to meet the thunder, the electric locking mechanism is controlled to be unlocked, the lightning protection seat is separated from the vehicle in a rigid mode and is in a suspension posture, at the moment, the lightning protection seat is not in contact with the vehicle body, so that when explosion energy is transmitted to the vehicle body, the explosion energy is not transmitted to the lightning protection seat, and then non-contact vibration reduction is achieved. When the lightning protection seat begins to move in a free falling mode, the vehicle also moves upwards along with the impact, the lightning protection seat and the vehicle meet in a certain time, then the lightning protection seat and the vehicle continue to move upwards or downwards, but energy is consumed a lot at the moment, so that the impact force can be greatly reduced or even disappears, and vibration reduction of the lightning protection seat is completed. Meanwhile, the seat board of the lightning protection seat extends to automatically lift the legs of the passengers so as to be matched with the lightning protection seat to be connected with the chassis of the vehicle.
The embodiment provides a semi-active vibration damping system for a lightning protection seat, which is designed based on the vibration damping method, and referring to fig. 2, the vibration damping system mainly comprises a lightning protection seat 1, an electric locking mechanism 2, an acceleration sensor 3 and a controller 4.
Referring to fig. 3, the lightning protection seat 1 mainly comprises a backrest 11, a seat plate 12, a side plate 13 and a hydraulic rod 14, wherein a side wall of the seat plate 12 is fixedly connected with a lower edge of the backrest 11, an upper edge of the side plate 13 is rotatably connected with a side wall of the other side of the seat plate 12, the hydraulic rod 14 is fixedly installed in the seat plate 12, a telescopic end of the hydraulic rod 14 penetrates through the seat plate 12 and is rotatably connected with an inner side surface of the side plate 13, one end of an electric locking mechanism 2 is fixedly connected with a side wall of a vehicle, and the other end of the electric locking mechanism is fixedly connected with the backrest 11 in; for further vibration damping purposes, the seat plate 12 may be designed as a soft spring seat for absorbing vibration, and a safety belt or other protection device may be provided on the lightning protection seat 1.
The acceleration sensor 3 is mounted on a middle shaft of a track wheel of the vehicle and used for detecting longitudinal acceleration of the middle shaft, referring to fig. 3, an input end of the controller 4 is connected with an output end of the acceleration sensor 3 and used for receiving longitudinal acceleration information sent by the acceleration sensor 3, and an output end of the controller 4 is respectively connected with a control end of a hydraulic rod 14 in the lightning protection seat 1 and a control end of the electric locking mechanism 2.
The specific working process of the semi-active vibration damping system for the lightning protection seat in the embodiment is as follows: longitudinal acceleration of a central shaft of a track wheel of the vehicle is detected through an acceleration sensor 3, the detected longitudinal acceleration is sent to a controller 4, the controller 4 compares the received longitudinal acceleration with a threshold value, when the longitudinal acceleration is greater than the threshold value, the vehicle meets thunder, at the moment, the controller 4 sends signals to a hydraulic rod 14 and an electric locking mechanism 2 simultaneously, after sending a control signal to the hydraulic rod 14, a telescopic end of the hydraulic rod 14 begins to extend outwards to drive a side plate 13 to rotate along a rotating shaft in rotary connection until the side plate 13 and a seat plate 12 are in the same plane, the seat plate 12 is stretched, after the electric locking mechanism 2 receives the control signal, the electric locking mechanism 2 is unlocked, the lightning protection seat 1 falls freely under the action of gravity, is rigidly separated from the vehicle and is in a suspension posture and is not in contact with a vehicle body, when the explosion energy is transmitted to the vehicle body, the explosion energy is not transmitted to the lightning protection seat, and then non-contact vibration reduction is realized. When the lightning protection seat 1 starts to move in a free falling mode, the vehicle also moves upwards along with the impact, the lightning protection seat 1 and the vehicle meet in a certain time, then the lightning protection seat 1 and the vehicle continue to move upwards or downwards, but energy is consumed a lot at the moment, so that the impact force can be greatly reduced or even disappears, and vibration reduction of the lightning protection seat is completed. Under the action of a hydraulic rod 14, a side plate 13 in the lightning protection seat 1 can rotate to a uniform plane relative to a bottom plate 12, so that the seat plate 12 is extended, legs of a passenger are automatically lifted, the lightning protection seat is matched with a chassis of a vehicle to be connected, and the body of the passenger is protected while vibration is reduced.
The structure of the electric locking mechanism 2 in the above embodiment can be selected from a plurality of structures, referring to fig. 4, the present embodiment provides a specific structure of the electric locking mechanism 2, the electric locking mechanism 2 is mainly composed of a driving motor 21, a first locking block 22, a bearing set 23 and a second locking block 24, wherein the driving motor 21 is fixedly installed in a side wall of the vehicle, a first connecting rod 221 extending outward is axially arranged on one side surface of the first locking block 22, a protruding strip 222 penetrating through both ends is arranged on the other side surface of the first locking block 22, the first connecting rod 221 in the first locking block 22 is in driving connection with a power output shaft in the driving motor 21 through a coupler, the bearing set 23 is fixedly installed in the backrest 11 in the lightning protection seat 1, a second connecting rod 241 extending outward is axially arranged on one side surface of the second locking block 24, a groove 242 penetrating through both ends is arranged on the other side surface of the second locking block 241, the groove 242 in the second locking block 24 is sleeved outside the convex strip 222 in the first locking block 22, and the end of the second connecting rod 241 in the second locking block 24 is fixedly embedded in the inner ring of the bearing set 24 after passing through the backrest 11 in the lightning protection seat 1.
The electric locking mechanism 2 has two working states, namely a locking state and an unlocking state. Wherein, during the locking state, the sand grip 222 in the first locking piece 22 and the recess 242 in the second locking piece 24 are horizontal state, and at this moment, realize the locking between the two through the cooperation of sand grip 222 and recess 242, when this electronic locking mechanism 2 received control signal and will carry out the unblock, then this electronic locking mechanism 2 need be changed to the unblock state by the locking state, and its specific process is: control driving motor 21 and start, power output shaft through driving motor 21 drives first locking piece 22 and rotates, because first locking piece 22 and second locking piece 24 are the locking state this moment, and second locking piece 24 passes through bearing group 24 and is connected with the back 11 rotation in the lightning protection seat 1, consequently, second locking piece 24 can be along with first locking piece 22 is together rotated, it turns to vertical state to until sand grip 222 in first locking piece 22 and the recess 242 in second locking piece 24, at this moment, under the effect of gravity, first locking piece 22 and second locking piece 24 can break away from each other and accomplish the unblock, moreover, the steam generator is simple in structure, and the operation is convenient.
In order to realize the buffer of the falling lightning protection seat when being connected with the chassis of the vehicle, as a further improvement of the technical scheme, the lower surface of the seat plate 12 and the inner side wall of the side plate 13 are both provided with a vibration reduction sponge layer.
In order to protect the hydraulic rod, as an improvement of the technical solution, an upward-recessed guide groove is formed in the inner side wall of the side plate 13 along the telescopic direction of the hydraulic rod 14, and the telescopic end of the hydraulic rod 14 is located in the guide groove to protect the hydraulic rod.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. A semi-active vibration damping method for a lightning protection seat, wherein the lightning protection seat is rigidly backed on the side wall of a vehicle through an electric locking mechanism, is characterized by comprising the following steps:
judging whether the vehicle meets thunder or not;
and when the vehicle is judged to be in a thunder, the electric locking mechanism is controlled to unlock, the lightning protection seat is separated from the vehicle rigidly and then is in a suspension posture until the lightning protection seat is connected with a chassis of the vehicle, and meanwhile, the seat plate of the lightning protection seat is controlled to extend.
2. The semi-active vibration reduction method for the lightning protection seat according to claim 1, wherein the judging whether the vehicle meets the lightning is specifically:
installing an acceleration sensor on a track wheel center shaft of the vehicle, and detecting an acceleration value of the track wheel center shaft of the vehicle along the longitudinal direction;
and comparing the detected acceleration value with a threshold value, and judging that the vehicle meets thunder when the detected acceleration value is greater than the threshold value.
3. A semi-active vibration reduction system for a lightning protection seat, comprising: the anti-thunder seat comprises a lightning protection seat (1), an electric locking mechanism (2), an acceleration sensor (3) and a controller (4);
the lightning protection seat (1) comprises: a backrest (11), a seat plate (12), a side plate (13) and a hydraulic rod (14);
the side wall of the seat plate (12) is fixedly connected with the lower edge of the backrest (11);
the upper edge of the side plate (13) is rotatably connected with the side wall of the other side of the seat plate (12);
the hydraulic rod (14) is fixedly arranged in the seat plate (12), and the telescopic end of the hydraulic rod (14) penetrates out of the seat plate (12) and is then rotatably connected with the inner side surface of the side plate (13);
one end of the electric locking mechanism (2) is fixedly connected with the side wall of the vehicle, and the other end of the electric locking mechanism is fixedly connected with a backrest (11) in the lightning protection seat (1);
the acceleration sensor (3) is arranged on a middle shaft of the vehicle crawler wheel and used for detecting the longitudinal acceleration of the middle shaft;
the input end of the controller (4) is connected with the output end of the acceleration sensor (3) and used for receiving longitudinal acceleration information sent by the acceleration sensor (3), and the output end of the controller (4) is connected with the control end of a hydraulic rod (14) in the lightning protection seat (1) and the control end of the electric locking mechanism (2) respectively.
4. Semi-active damping system for lightning protection seats according to claim 3, characterized in that said electric locking mechanism (2) comprises: the locking device comprises a driving motor (21), a first locking block (22), a bearing group (23) and a second locking block (24);
the driving motor (21) is fixedly arranged in the side wall of the vehicle;
a first connecting rod (221) extending outwards is axially arranged on one side face of the first locking block (22), a convex strip (222) penetrating through two ends is arranged on the other side face of the first locking block (22), and the first connecting rod (221) in the first locking block (22) is in driving connection with a power output shaft in the driving motor (21) through a coupler;
the bearing group (23) is fixedly arranged in a backrest (11) in the lightning protection seat (1);
a second connecting rod (241) extending outwards is axially arranged on one side face of the second locking block (24), a groove (242) penetrating through two ends is formed in the other side face of the second locking block (241), the groove (242) in the second locking block (24) is sleeved outside a convex strip (222) in the first locking block (22), and the end portion of the second connecting rod (241) in the second locking block (24) penetrates through a backrest (11) in the lightning protection seat (1) and then is fixedly embedded in an inner ring of the bearing group (24).
5. The semi-active vibration damping system for lightning protection seats according to claim 3, characterized in that a vibration damping sponge layer is arranged on the lower surface of the seat plate (12) and the inner side wall of the side plate (13).
6. The semi-active vibration damping system for lightning protection seats according to claim 3, characterized in that an upwardly concave guide groove is provided in the inner side wall of the side plate (13) along the telescopic direction of the hydraulic rod (14), and the telescopic end of the hydraulic rod (14) is located in the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142922.1A CN111319521A (en) | 2020-03-04 | 2020-03-04 | Semi-active vibration reduction method and vibration reduction system for lightning protection seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010142922.1A CN111319521A (en) | 2020-03-04 | 2020-03-04 | Semi-active vibration reduction method and vibration reduction system for lightning protection seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111319521A true CN111319521A (en) | 2020-06-23 |
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ID=71169255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010142922.1A Pending CN111319521A (en) | 2020-03-04 | 2020-03-04 | Semi-active vibration reduction method and vibration reduction system for lightning protection seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111319521A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19702398C1 (en) * | 1997-01-24 | 1998-07-30 | Bundesrep Deutschland | Seat for mine clearance vehicle |
| US6267440B1 (en) * | 1999-06-18 | 2001-07-31 | The United States Of America As Represented By The Secretary Of The Army | Anti blast seat assembly with knee protection mechanism |
| CN109341421A (en) * | 2018-11-06 | 2019-02-15 | 沈阳天眼智云信息科技有限公司 | Active anti-vibration method, explosion-proof seat control system and the explosion-proof seat of explosion-proof seat |
| CN209616944U (en) * | 2019-02-28 | 2019-11-12 | 沈阳天眼智云信息科技有限公司 | Explosion-proof seat electric unlocking mechanism |
-
2020
- 2020-03-04 CN CN202010142922.1A patent/CN111319521A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19702398C1 (en) * | 1997-01-24 | 1998-07-30 | Bundesrep Deutschland | Seat for mine clearance vehicle |
| US6267440B1 (en) * | 1999-06-18 | 2001-07-31 | The United States Of America As Represented By The Secretary Of The Army | Anti blast seat assembly with knee protection mechanism |
| CN109341421A (en) * | 2018-11-06 | 2019-02-15 | 沈阳天眼智云信息科技有限公司 | Active anti-vibration method, explosion-proof seat control system and the explosion-proof seat of explosion-proof seat |
| CN209616944U (en) * | 2019-02-28 | 2019-11-12 | 沈阳天眼智云信息科技有限公司 | Explosion-proof seat electric unlocking mechanism |
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Application publication date: 20200623 |