CN112829948A - Military helicopter sliding seat with furling air bag - Google Patents
Military helicopter sliding seat with furling air bag Download PDFInfo
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- CN112829948A CN112829948A CN202110129688.3A CN202110129688A CN112829948A CN 112829948 A CN112829948 A CN 112829948A CN 202110129688 A CN202110129688 A CN 202110129688A CN 112829948 A CN112829948 A CN 112829948A
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- China
- Prior art keywords
- air bag
- guide rod
- sliding guide
- pop
- seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 6
- 229920002907 Guar gum Polymers 0.000 claims description 5
- 239000000665 guar gum Substances 0.000 claims description 5
- 229960002154 guar gum Drugs 0.000 claims description 5
- 235000010417 guar gum Nutrition 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 3
- 229910021538 borax Inorganic materials 0.000 claims description 3
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims description 3
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 3
- 229940091173 hydantoin Drugs 0.000 claims description 3
- 239000004302 potassium sorbate Substances 0.000 claims description 3
- 235000010241 potassium sorbate Nutrition 0.000 claims description 3
- 229940069338 potassium sorbate Drugs 0.000 claims description 3
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 3
- 239000004328 sodium tetraborate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229960004106 citric acid Drugs 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
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- 238000009434 installation Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0619—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with energy absorbing means specially adapted for mitigating impact loads for passenger seats, e.g. at a crash
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0696—Means for fastening seats to floors, e.g. to floor rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D7/00—Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft
- B64D7/02—Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft the armaments being firearms
- B64D7/06—Arrangements of military equipment, e.g. armaments, armament accessories, or military shielding, in aircraft; Adaptations of armament mountings for aircraft the armaments being firearms movably mounted
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Air Bags (AREA)
Abstract
A military helicopter slide seat with a furled airbag comprising: a seat base; the sliding seat is provided with a sliding guide rod; the gun rack is rotatably arranged on the positioning seat; a positioning mechanism comprising: the positioning device comprises a first positioning hole, a second positioning hole and a positioning pin, wherein the first positioning hole is arranged on the sliding guide rod, the second positioning hole is arranged on the seat base and is matched with the first positioning hole, and the positioning pin is arranged in the first positioning hole in a sliding mode and is matched and spliced with the second positioning hole; the first positioning hole is formed in one side, close to the positioning seat, of the sliding guide rod and is located in the center of the sliding guide rod in the width direction; a collision protection mechanism. Through above-mentioned structure in order to solve among the prior art that the rotatory gun rack turned angle is less, can't satisfy great angle's shooting requirement to and need operating personnel self to realize the angle rotation, influence the problem of shooting accuracy.
Description
Technical Field
The invention relates to the technical field of airplane gun bearing mechanisms, in particular to a military helicopter sliding seat with a furled air bag.
Background
In the flight process of a military helicopter, a machine gun is required to be arranged at a cabin door, and a fighter sits on a machine gun seat in a cabin and attacks a target outside the cabin through a rotating position. The existing military helicopters have gun auxiliary equipment which is used for fixing a gun and accordingly attacking targets at different angles outside a helicopter cabin. However, the above-described rotary rack has the following problems: 1. the rotation angle is small, and the shooting requirement of a large angle cannot be met under the condition that the position of the airplane is not changed. 2. When shooting the target through the rotary gun rack, the operator is required to realize angle rotation, the angle rotation can not only influence the use experience of fighters, but also influence the flexibility of the machine gun in attacking targets with different angles, and therefore the problem that the target cannot be accurately and timely hit due to the further influence on the shooting speed is solved.
Disclosure of Invention
The invention aims to provide a military helicopter sliding seat with a furling air bag, and aims to solve the problems that a rotary gun rack in the prior art has a small rotation angle and cannot meet the requirement of shooting at a large angle, and an operator needs to realize angle rotation to influence the shooting accuracy. Therefore, the invention provides a military helicopter sliding seat with a furled air bag, which comprises:
a seat base;
the sliding seat is provided with a sliding guide rod; one end of the sliding guide rod is fixedly connected with the sliding seat, and the other end of the sliding guide rod is rotatably connected with the positioning seat through a hinge structure so as to guide the sliding seat to be driven to slide on the seat base along the arc-shaped guide rail;
the gun rack is rotatably arranged on the positioning seat and used for fixing a gun;
a positioning mechanism comprising: the positioning device comprises a sliding guide rod, a first positioning hole, a second positioning hole and a positioning pin, wherein the first positioning hole is arranged on the sliding guide rod, the second positioning hole is arranged on the seat base and is matched with the first positioning hole, and the positioning pin is arranged in the first positioning hole in a sliding mode and is matched and spliced with the second positioning hole; the first positioning hole is formed in one side, close to the positioning seat, of the sliding guide rod and is located in the center of the sliding guide rod in the width direction;
a crash protection mechanism, said crash protection mechanism comprising: the controller and the pop-up air bag are arranged on the positioning seat; when the controller detects that the helicopter crashes or the deformation value of the sliding guide rod is larger than the preset deformation value, the pop-up air bag is driven to pop up towards the sliding guide rod so as to wrap the part of the first positioning hole of the sliding guide rod.
Optionally, the collision protection mechanism further comprises: a deformation sensor disposed on the slide guide bar;
the deformation sensor is a patch sensor arranged on the peripheral wall of the sliding guide rod, and the patch sensor is arranged at the position of the sliding guide rod corresponding to the first positioning hole;
when the deformation preset value is not less than the position fracture of the first positioning hole of the sliding guide rod, the deformation value of the position of the first positioning hole of the sliding guide rod is four fifths.
Optionally, the pop-up airbag includes: a first air bag and a second air bag; the pop-up air bag is in a pop-up state, and the first air bag and the second air bag are arc-shaped air bags which are respectively arranged on two sides of the sliding guide rod along the horizontal direction and are matched with the outer contour of the sliding guide rod.
Optionally, the pop-up air bag is an annular cylindrical air bag with a shape matched with that of the sliding guide rod.
Optionally, the positioning seat includes: the air bag fixing device comprises a fixed bottom plate, a rotating upright post fixedly arranged on the fixed bottom plate and an air bag accommodating cavity arranged on the fixed bottom plate;
one side of the sliding guide rod, which faces the rotating upright post, is rotatably connected with the rotating upright post in a sleeved mode through a lantern ring; the air bag accommodating cavity is arranged on the rotating path of the sliding guide rod and is used for accommodating the pop-up air bag and limiting the rotating angle of the rotating upright post.
Optionally, the rotating upright post is fixed on the fixed bottom plate through a flange;
at least two fixing holes are formed in the circumferential direction of the flange plate, and the air bag accommodating cavity is detachably mounted on the flange plate through threaded connection.
Optionally, the positioning seat includes: the rotary upright post is fixedly arranged on the fixed bottom plate;
one side of the sliding guide rod, which faces the rotating upright post, is rotatably connected with the rotating upright post in a sleeved mode through a lantern ring; the pop-up air bag is embedded on one side of the lantern ring close to the sliding guide rod.
Optionally, the pop-up airbag includes: the air bag comprises an air bag outer cavity wall and a partition layer arranged in the air bag outer cavity wall; the partition layer divides the space in the outer cavity wall of the air bag into at least two independent inflatable cavities; the thickness of the outer cavity wall of the air bag is smaller than that of the partition layer;
an inflation mechanism which is matched and connected with an inflation port of the pop-up air bag is arranged on the positioning seat, and an independent inflation head which is arranged opposite to each inflation cavity is respectively arranged on the inflation mechanism;
when the pop-up air bag is inflated, the air pressure value in the inflation cavity at the central position of the pop-up air bag is greater than that in the inflation cavity at the peripheral wall of the pop-up air bag.
Optionally, the number of the partition layers is two, and the pop-up airbag is partitioned into a first inflation chamber, a second inflation chamber and a third inflation chamber which are independent of each other;
when the pop-up air bag is in an inflated state, the first inflation chamber is close to and attached to the sliding guide rod, and the second inflation chamber is arranged between the first inflation chamber and the third inflation chamber;
the air pressure value of the second inflation chamber is respectively greater than the air pressure value of the first inflation chamber and the air pressure value of the third inflation chamber; the air pressure value of the first inflation chamber is larger than that of the third inflation chamber.
Optionally, a containing groove for containing the pop-up airbag is formed in the lantern ring or the airbag containing cavity, and the pop-up airbag is bonded with a groove wall of the containing groove;
and when the pop-up air bag is in an inflated state, the pop-up air bag overcomes the bonding force and moves out of the accommodating groove.
Optionally, the pop-up airbag is made of a composite material, and the composite material comprises a support layer and an adhesive layer;
the supporting layer is an air bag inner layer and is made of light fabric material bristles;
the adhesive layer is coated on the support layer and consists of the following components in parts by weight:
70-80 parts of water, 9-12 parts of guar gum, 14-16 parts of glycerol, 1-2.5 parts of potassium sorbate, 1-2 parts of hydantoin, 0.2-0.4 part of citric acid and 1-2 parts of sodium tetraborate, wherein the viscosity of the guar gum is 7000-8500 mPa & S.
The preparation method of the adhesive layer material comprises the following steps:
uniformly mixing water, potassium sorbate, hydantoin and citric acid to obtain a mixture A;
uniformly mixing guar gum and glycerol, and then uniformly mixing the mixture with the ingredient A to obtain an ingredient B;
and adding sodium tetraborate into the ingredient B, and uniformly mixing to obtain the adhesive layer material.
The technical scheme of the invention has the following advantages:
1. the invention provides a military helicopter sliding seat with a furled air bag, which comprises: a seat base; the sliding seat is provided with a sliding guide rod; one end of the sliding guide rod is fixedly connected with the sliding seat, and the other end of the sliding guide rod is rotatably connected with the positioning seat through a hinge structure so as to guide the sliding seat to be driven to slide on the seat base along the arc-shaped guide rail;
the gun rack is rotatably arranged on the positioning seat and used for fixing a gun; a positioning mechanism comprising: the positioning device comprises a sliding guide rod, a first positioning hole, a second positioning hole and a positioning pin, wherein the first positioning hole is arranged on the sliding guide rod, the second positioning hole is arranged on the seat base and is matched with the first positioning hole, and the positioning pin is arranged in the first positioning hole in a sliding mode and is matched and spliced with the second positioning hole; the first positioning hole is formed in one side, close to the positioning seat, of the sliding guide rod and is located in the center of the sliding guide rod in the width direction;
a crash protection mechanism, said crash protection mechanism comprising: the controller and the pop-up air bag are arranged on the positioning seat; when the controller detects that the helicopter crashes or the deformation value of the sliding guide rod is larger than the preset deformation value, the pop-up air bag is driven to pop up towards the sliding guide rod so as to wrap the part of the first positioning hole of the sliding guide rod.
According to the invention, the gun rack is rotatably arranged on the positioning seat, and the positioning seat and the sliding seat are respectively connected in a transmission manner through the sliding guide rod. Make the sliding seat can rotate around the circumferential direction of above-mentioned positioning seat, and then make the in-process fighter of shooting can adjust its self seat position as required, need not just can shoot towards different angles like prior art need twist upper part of the body angle. Moreover, because the sliding seat and the gun rack can rotate around the circumferential direction of the positioning seat, the shooting flexibility can be further increased. Through the structure, the problems that the rotating angle of the rotary gun rack in the prior art is small, the shooting requirement of a large angle cannot be met, the angle rotation is realized by an operator, and the shooting accuracy is influenced can be effectively solved.
In addition, in order to ensure that the gravity center of the sliding guide rod is positioned at the center line position of the rod body, the sliding guide rod keeps dynamic balance to avoid an uncontrollable impact effect when being impacted, and meanwhile, the sliding guide rod can obtain the same use experience when the fighter sitting on the sliding seat horizontally rotates towards different directions, so that the use experience of the fighter is improved. The first positioning hole is needed to be arranged on the sliding guide rod, and the relative position of the sliding guide rod and the seat base is fixed through the positioning pin. The first positioning hole is formed in one side, close to the positioning seat, of the sliding guide rod and is located in the center of the sliding guide rod in the width direction, and therefore dynamic balance of the sliding guide rod in the rotating process with the positioning seat as the center can be effectively guaranteed.
In addition, the positioning mechanism can also enable the position of the sliding guide rod, where the first positioning hole is formed, to be the weakest position and the position where the sliding guide rod is most easily broken. As military helicopter seats require special requirements: when the helicopter falls, all parts on the seat of the helicopter can not fly to hurt people. In particular, the problem that the sliding guide rod is not allowed to be broken to hurt people is solved. In the invention, the position of the sliding guide rod provided with the first positioning hole is the weakest position, so that when a helicopter adopting the sliding seat is crashed, the broken position of the sliding guide rod is the position of the sliding guide rod provided with the first positioning hole, and the problem that the sliding guide rod is broken to hurt people can be effectively avoided only by protecting the position, thereby meeting the design requirements of the military. Therefore, the first positioning hole is formed at a position close to the positioning seat, and the controller is arranged. When the controller detects that the helicopter crashes, the controller can effectively control the pop-up air bag to pop up so as to wrap the part of the first positioning hole of the sliding guide rod. Thereby avoiding the sliding guide bar from being directly subjected to a collision at a portion of the first positioning hole thereof. In addition, the broken part of the sliding guide rod can be prevented from flying out to hurt people when the part of the sliding guide rod except the first positioning hole is collided to cause the position of the first positioning hole to be broken.
On the other hand, the position of the first positioning hole of the sliding guide rod can be further provided with a deformation sensor, and when the deformation sensor detects that the deformation value of the sliding guide rod is greater than the preset deformation value, the pop-up air bag is driven to pop up so as to wrap the part of the first positioning hole of the sliding guide rod. The pop-up airbag can not only prevent the broken part of the sliding guide rod from flying out, but also prevent the part from being damaged for the second time.
In addition, the pop-up air bag has a furling function, is made of composite materials and comprises a supporting layer and an adhesive layer. Therefore, even when the sliding guide rod is broken by huge impact force, the popped air bag can also play a role in furling the broken sliding guide rod, and the guide rod is further prevented from hurting people due to breakage. The supporting layer in the composite material adopts light fabric, can closely combine with the adhesive layer through the brush hair, can also guarantee good supporting role when aerifing simultaneously, and the combination of flexible fabric and adhesive layer for the gasbag can in time wrap up, draws in cracked slide guiding rod in, furthest's assurance cabin in personnel's safety.
2. The invention provides a military helicopter sliding seat with a furled air bag, wherein the collision protection mechanism further comprises: a deformation sensor disposed on the slide guide bar; the deformation sensor is a patch sensor arranged on the peripheral wall of the sliding guide rod, and the patch sensor is arranged at the position of the sliding guide rod corresponding to the first positioning hole; when the deformation preset value is not less than the position fracture of the first positioning hole of the sliding guide rod, the deformation value of the position of the first positioning hole of the sliding guide rod is four fifths.
The deformation value of the position of the first positioning hole of the sliding guide rod can be effectively detected through the patch sensor, and the position of the first positioning hole of the sliding guide rod is protected through the pop-up air bag before the sliding guide rod breaks is ensured as much as possible.
3. The invention provides a military helicopter sliding seat with a furled air bag, wherein the pop-up air bag comprises: a first air bag and a second air bag; the pop-up air bag is in a pop-up state, and the first air bag and the second air bag are arc-shaped air bags which are respectively arranged on two sides of the sliding guide rod along the horizontal direction and are matched with the outer contour of the sliding guide rod.
According to the invention, the pop-up air bag is formed by the first air bag and the second air bag, and the first air bag and the second air bag are respectively arranged at two sides of the sliding guide rod along the horizontal direction, so that the first air bag and the second air bag cannot interfere with the seat base, and the seat base cannot influence the pop-up effect of the pop-up air bag. And the first air bag and the second air bag are arc-shaped air bags matched with the outer contour of the sliding guide rod, and the arc-shaped air bags can effectively wrap the sliding guide rod to prevent the broken part of the sliding guide rod from flying out.
4. The invention provides a military helicopter sliding seat with a furled air bag, wherein the pop-up air bag is an annular columnar air bag matched with the sliding guide rod in shape.
The sliding guide rod can be effectively wrapped by the annular columnar air bag, and the effect that the pop-up air bag blocks the broken part of the sliding guide rod from flying out is further improved.
5. The invention provides a military helicopter sliding seat with a furled air bag, which comprises a positioning seat, wherein the positioning seat comprises: the air bag fixing device comprises a fixed bottom plate, a rotating upright post fixedly arranged on the fixed bottom plate and an air bag accommodating cavity arranged on the fixed bottom plate;
one side of the sliding guide rod, which faces the rotating upright post, is rotatably connected with the rotating upright post in a sleeved mode through a lantern ring; the air bag accommodating cavity is arranged on the rotating path of the sliding guide rod and is used for accommodating the pop-up air bag and limiting the rotating angle of the rotating upright post.
The pop-up air bag is embedded in the air bag accommodating cavity, and the air bag accommodating cavity is arranged on the rotating path of the sliding guide rod. The air bag accommodating cavity can simultaneously play a role in accommodating the pop-up air bag and limiting the rotation angle of the rotating upright post.
6. According to the military helicopter sliding seat with the furled air bag, provided by the invention, the rotating upright post is fixed on the fixed bottom plate through the flange plate; at least two fixing holes are formed in the circumferential direction of the flange plate, and the air bag accommodating cavity is detachably mounted on the flange plate through threaded connection.
Through set up a plurality of fixed orificess on the circumferencial direction at the ring flange, rethread threaded connection spare with gasbag holding cavity demountable installation on above-mentioned ring flange, both can make the user install gasbag holding cavity in different positions according to different needs to the rotation range of restriction slip guide bar.
7. The invention provides a military helicopter sliding seat with a furled air bag, which comprises a positioning seat, wherein the positioning seat comprises: the rotary upright post is fixedly arranged on the fixed bottom plate;
one side of the sliding guide rod, which faces the rotating upright post, is rotatably connected with the rotating upright post in a sleeved mode through a lantern ring; the pop-up air bag is embedded on one side of the lantern ring close to the sliding guide rod.
According to the invention, the pop-up air bag is embedded at one side of the lantern ring close to the sliding guide rod, so that the pop-up air bag can rotate along with the lantern ring and the sliding guide rod fixedly connected with the lantern ring in real time, and the pop-up air bag can accurately wrap the sliding guide rod when the controller controls the pop-up air bag to pop up. The problem that the pop-up air bag has a poor protection effect on the sliding guide rod due to the fact that the rotating angle of the sliding guide rod is large can be solved.
8. The invention provides a military helicopter sliding seat with a furled air bag, wherein the pop-up air bag comprises: the air bag comprises an air bag outer cavity wall and a partition layer arranged in the air bag outer cavity wall; the partition layer divides the space in the outer cavity wall of the air bag into at least two independent inflatable cavities; the thickness of the outer cavity wall of the air bag is smaller than that of the partition layer; an inflation mechanism which is matched and connected with an inflation port of the pop-up air bag is arranged on the positioning seat, and an independent inflation head which is arranged opposite to each inflation cavity is respectively arranged on the inflation mechanism; when the pop-up air bag is inflated, the air pressure value in the inflation cavity at the central position of the pop-up air bag is greater than that in the inflation cavity at the peripheral wall of the pop-up air bag.
The thickness of the outer cavity wall of the air bag is designed to be smaller than that of the partition layer, and the air pressure value in the inflation cavity at the central position of the pop-up air bag is larger than that of the inflation cavity at the outer peripheral wall position of the pop-up air bag. So that the air pressure value and the puncture-proof capacity of the inflation cavity at the central position of the pop-up air bag are larger than the air pressure value of the inflation cavity at the outer contour edge of the pop-up air bag. When the sliding guide rod is impacted, the inflation cavity at the edge of the outer contour of the pop-up air bag can be greatly deformed so as to absorb the impact force brought by the sliding guide rod or the impact force of an external component on the sliding guide rod, and the rest impact force is absorbed by the inflation cavity at the central position of the pop-up air bag.
9. The military helicopter sliding seat with the furled air bag provided by the invention has the advantages that the number of the partition layers is two, and the pop-up air bag is divided into a first inflation chamber, a second inflation chamber and a third inflation chamber which are mutually independent; when the pop-up air bag is in an inflated state, the first inflation chamber is close to and attached to the sliding guide rod, and the second inflation chamber is arranged between the first inflation chamber and the third inflation chamber; the air pressure value of the second inflation chamber is respectively greater than the air pressure value of the first inflation chamber and the air pressure value of the third inflation chamber; the air pressure value of the first inflation chamber is larger than that of the third inflation chamber.
The invention sets three inflation cavities as follows: the first inflation chamber, the second inflation chamber and the third inflation chamber are independent; the air pressure value of the second inflation chamber is respectively greater than the air pressure value of the first inflation chamber and the air pressure value of the third inflation chamber; the air pressure value of the first inflation chamber is larger than that of the third inflation chamber. Thereby making the second plenum chamber less prone to rupture. And the first inflation chamber and the third inflation chamber can effectively absorb more impact force. In addition, the air pressure value of the first inflation chamber is larger than that of the third inflation chamber, so that the first inflation chamber can be effectively prevented from being punctured by the broken sliding guide rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a military helicopter sliding seat with a furled airbag according to the present invention;
fig. 2 is a schematic view of a connection structure of a sliding guide rod and a positioning seat in embodiment 1 of the present invention;
FIG. 3 is a schematic view of the arrangement position of the air bag accommodating cavity in embodiment 1 of the present invention;
fig. 4 is a schematic diagram of the arrangement position of the pop-up airbag embedded on the collar in embodiment 2 provided by the invention;
fig. 5 is a schematic diagram showing the relative positions of the first air bag and the second air bag with respect to the sliding guide rod when the pop-up air bag provided by the present invention is in a pop-up state;
FIG. 6 is a schematic perspective view of a first bladder according to the present invention;
fig. 7 is a schematic view of a connection structure of the inflation mechanism and the first airbag provided by the present invention.
Description of reference numerals:
1-a seat base; 2-a sliding seat; 3-sliding guide rods; 4-positioning seat; 5-a gun rack; 6-a first locating hole; 7-a second positioning hole; 8-a positioning pin; 9-pop-up air bags; 10-a first balloon; 11-a second balloon; 12-a fixed base plate; 13-rotating the upright post; 14-an air bag accommodating cavity; 15-a collar; 16-balloon outer lumen wall; 17-a partition layer; 18-an inflation mechanism; 19-independent inflation head; 20-a first plenum chamber; 21-a second inflatable chamber; 22-a third inflatable chamber.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
A military helicopter sliding seat with a furled airbag is described, as shown in fig. 1, comprising:
a seat base 1;
the sliding seat 2 is provided with a sliding guide rod 3; one end of the sliding guide rod 3 is fixedly connected with the sliding seat 2, and the other end of the sliding guide rod is rotatably connected with the positioning seat 4 through a hinge structure so as to guide the sliding seat 2 to be driven to slide on the seat base 1 along the arc-shaped guide track;
the gun rack 5 is rotationally arranged on the positioning seat 4 and used for fixing a gun;
a positioning mechanism comprising: the positioning device comprises a first positioning hole 6 arranged on the sliding guide rod 3, a second positioning hole 7 which is arranged on the seat base 1 and is matched with the first positioning hole 6, and a positioning pin 8 which is arranged in the first positioning hole 6 in a sliding mode and is matched and spliced with the second positioning hole 7; the first positioning hole 6 is arranged on one side of the sliding guide rod 3 close to the positioning seat 4 and is positioned in the center of the sliding guide rod 3 in the width direction;
a collision protection mechanism, as shown in fig. 2 and 3, comprising: the controller and the pop-up air bag 9 are arranged on the positioning seat 4; when the controller detects a helicopter crash, the pop-up air bag 9 is driven to pop up toward the slide guide bar 3 to wrap a portion of the slide guide bar 3 at the first positioning hole 6 thereof. In the present embodiment, as shown in fig. 5 to 7, the pop-up airbag 9 includes: a first airbag 10 and a second airbag 11; when the pop-up air bag 9 is in a pop-up state, the first air bag 10 and the second air bag 11 are arc-shaped air bags which are respectively arranged at two sides of the sliding guide rod 3 along the horizontal direction and are matched with the outer contour of the sliding guide rod 3.
In this embodiment, as shown in fig. 1, the positioning seat 4 includes: the air bag fixing device comprises a fixed bottom plate 12, a rotating upright column 13 fixedly arranged on the fixed bottom plate 12 and an air bag accommodating cavity 14 arranged on the fixed bottom plate 12; one side of the sliding guide rod 3 facing the rotating upright post 13 is sleeved and rotatably connected with the rotating upright post 13 through a lantern ring 15; the air bag accommodating cavity 14 is disposed on a rotation path of the slide guide bar 3, and is configured to accommodate the pop-up air bag 9 and limit a rotation angle of the rotation column 13. The rotating upright column 13 is fixed on the fixed bottom plate 12 through a flange plate; at least two fixing holes are formed in the circumferential direction of the flange plate, and the air bag accommodating cavity 14 is detachably mounted on the flange plate through threaded connection.
In the present embodiment, as shown in fig. 5 to 7, the pop-up airbag 9 includes: the air bag comprises an air bag outer cavity wall 16 and a partition layer 17 arranged in the air bag outer cavity wall 16; the partition layer 17 divides the space in the air bag outer cavity wall 16 into three independent inflatable cavities; the thickness of the balloon outer cavity wall 16 is smaller than the thickness of the partition layer 17. The number of the partition layers 17 is two, and the pop-up airbag 9 is partitioned into a first inflation chamber 20, a second inflation chamber 21 and a third inflation chamber 22 which are independent of each other; when the pop-up airbag 9 is in an inflated state, the first inflation chamber 20 is close to and attached to the sliding guide rod 3, and the second inflation chamber 21 is arranged between the first inflation chamber 20 and the third inflation chamber 22; the air pressure value of the second inflation chamber 21 is respectively greater than the air pressure value of the first inflation chamber 20 and the air pressure value of the third inflation chamber 22; the air pressure value of the first plenum chamber 20 is greater than the air pressure value of the third plenum chamber 22. An inflation mechanism 18 which is matched and connected with an inflation port of the pop-up air bag 9 is arranged on the positioning seat 4, and an independent inflation head 19 which is arranged opposite to each inflation cavity is respectively arranged on the inflation mechanism 18; in the inflated state of the pop-up air bag 9, the air pressure value in the inflation cavity at the central position of the pop-up air bag 9 is greater than that in the inflation cavity at the peripheral wall position of the pop-up air bag 9.
In this embodiment, the airbag accommodating cavity 14 is provided with an accommodating groove for accommodating the pop-up airbag 9, and the pop-up airbag 9 is bonded to a groove wall of the accommodating groove; when the pop-up air bag 9 is inflated, the pop-up air bag 9 overcomes the adhesive force and moves out of the accommodating groove.
A crash protection mechanism, said crash protection mechanism comprising: the controller and the pop-up air bag 9 are arranged on the positioning seat 4; when the controller detects that the helicopter crashes or the deformation value of the sliding guide rod 3 is larger than the preset deformation value, the pop-up air bag 9 is driven to pop up towards the sliding guide rod 3 so as to wrap the part of the first positioning hole 6 of the sliding guide rod 3.
According to the invention, the gun rack 5 is rotatably arranged on the positioning seat 4, and the positioning seat 4 and the sliding seat 2 are respectively connected in a transmission manner through the sliding guide rod 3. Make slide seat 2 can rotate around the circumferential direction of above-mentioned positioning seat 4, and then make the in-process fighter of shooting can adjust its self seat position as required, need not just can shoot towards different angles like prior art need twist upper part of the body angle. Moreover, the shooting flexibility can be further increased because both the slide seat 2 and the bolt carrier 5 can rotate around the positioning seat 4 in the circumferential direction. Through the structure, the problems that the rotating angle of the rotary gun rack in the prior art is small, the shooting requirement of a large angle cannot be met, the angle rotation is realized by an operator, and the shooting accuracy is influenced can be effectively solved.
In addition, in order to guarantee that the center of gravity of the sliding guide rod 3 is located at the center line of the rod body, the sliding guide rod can keep dynamic balance to avoid an uncontrollable impact effect when being impacted, and meanwhile, the fighter sitting on the sliding seat 2 can horizontally rotate towards different directions, so that the fighter can obtain the same use experience in the swinging process and the use experience of the fighter can be improved. It is necessary to provide the first positioning hole 6 on the slide guide bar 3 and to fix the relative positions of the slide guide bar 3 and the seat base 1 by the positioning pin 8. Through setting up first locating hole 6 slide guide bar 3 is close to positioning seat 4 one side and is located slide guide bar 3 its width direction's central position can guarantee effectively that slide guide bar 3 rotates the dynamic balance of in-process with positioning seat 4 as the center.
In addition, the positioning mechanism can also make the position of the sliding guide rod 3 where the first positioning hole 6 is opened be the weakest and easiest position to break. Since helicopter seats require special requirements: when the helicopter falls, all parts on the seat of the helicopter can not fly to hurt people. In particular, the sliding guide bar 3 is not allowed to be broken to hurt people. In the invention, the position of the sliding guide rod 3 provided with the first positioning hole 6 is the weakest position, so that when a helicopter adopting the sliding seat provided by the invention crashes, the broken position of the sliding guide rod 3 is the position of the sliding guide rod 3 provided with the first positioning hole 6, and the problem that the sliding guide rod 3 is broken to hurt people can be effectively avoided only by protecting the position, thereby meeting the design requirements of the military. Therefore, the invention opens the first positioning hole 6 at the position close to the positioning seat 4 and is provided with a controller. The controller can effectively control the pop-up air bag 9 to pop up when detecting the crash of the helicopter so as to wrap the part of the first positioning hole 6 of the sliding guide rod 3. Thereby avoiding the sliding guide bar 3 from being directly subjected to a collision at a portion of its first positioning hole 6. In addition, it is also possible to prevent the broken portion of the slide guide bar 3 from flying out to hurt a person when the portion of the slide guide bar 3 other than the first positioning hole 6 is collided and the position of the first positioning hole 6 is broken.
On the other hand, a deformation sensor can be further arranged at the position of the first positioning hole 6 of the sliding guide rod 3, and when the deformation sensor detects that the deformation value of the sliding guide rod 3 is greater than the preset deformation value, the pop-up air bag 9 is driven to pop up so as to wrap the part of the first positioning hole 6 of the sliding guide rod 3. The above-mentioned pop-up air bag 9 can not only block the flying-out of the broken portion of the slide guide bar 3 but also prevent the portion from being secondarily injured at the same time.
Example 2
It describes a military helicopter sliding seat with draw in gasbag in, it includes:
a seat base 1;
the sliding seat 2 is provided with a sliding guide rod 3; one end of the sliding guide rod 3 is fixedly connected with the sliding seat 2, and the other end of the sliding guide rod is rotatably connected with the positioning seat 4 through a hinge structure so as to guide the sliding seat 2 to be driven to slide on the seat base 1 along the arc-shaped guide track;
the gun rack 5 is rotationally arranged on the positioning seat 4 and used for fixing a gun;
a positioning mechanism comprising: the positioning device comprises a first positioning hole 6 arranged on the sliding guide rod 3, a second positioning hole 7 which is arranged on the seat base 1 and is matched with the first positioning hole 6, and a positioning pin 8 which is arranged in the first positioning hole 6 in a sliding mode and is matched and spliced with the second positioning hole 7; the first positioning hole 6 is arranged on one side of the sliding guide rod 3 close to the positioning seat 4 and is positioned in the center of the sliding guide rod 3 in the width direction;
a collision protection mechanism, as shown in fig. 2 and 3, comprising: the controller and the pop-up air bag 9 are arranged on the positioning seat 4; when the controller detects that the deformation value of the sliding guide rod 3 is larger than the preset deformation value, the pop-up air bag 9 is driven to pop up towards the sliding guide rod 3 so as to wrap the part of the first positioning hole 6 of the sliding guide rod 3. The collision protection mechanism further includes: a deformation sensor provided on the slide guide bar 3; the deformation sensor is a patch sensor arranged on the outer peripheral wall of the sliding guide rod 3, and the patch sensor is arranged at a position of the sliding guide rod 3 corresponding to the first positioning hole 6; when the deformation preset value is not less than the position fracture of the first positioning hole 6 of the sliding guide rod 3, the deformation value of the position of the first positioning hole 6 of the sliding guide rod 3 is four fifths.
Example 3
The present embodiment is different from embodiment 1 in that, as shown in fig. 4, the positioning seat 4 includes: the device comprises a fixed bottom plate 12 and a rotating upright post 13 fixedly arranged on the fixed bottom plate 12; one side of the sliding guide rod 3 facing the rotating upright post 13 is sleeved and rotatably connected with the rotating upright post 13 through a lantern ring 15; the pop-up air bag 9 is fitted to the collar 15 on the side thereof close to the slide guide bar 3. The pop-up air bag 9 is an annular columnar air bag which is matched with the sliding guide rod 3 in shape.
In this embodiment, the collar 15 is provided with a receiving groove for receiving the pop-up airbag 9, and the pop-up airbag 9 is bonded to a groove wall of the receiving groove; when the pop-up air bag 9 is inflated, the pop-up air bag 9 overcomes the adhesive force and moves out of the accommodating groove.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. The utility model provides a for military use helicopter slide seat with draw in gasbag in which characterized in that includes:
a seat base (1);
the sliding seat (2), a sliding guide rod (3) is arranged on the sliding seat (2); one end of the sliding guide rod (3) is fixedly connected with the sliding seat (2), and the other end of the sliding guide rod is rotatably connected with the positioning seat (4) through a hinge structure so as to guide the sliding seat (2) to be driven to slide on the seat base (1) along the arc-shaped guide rail;
the gun rack (5) is rotationally arranged on the positioning seat (4) and is used for fixing a gun;
a positioning mechanism comprising: the positioning device comprises a first positioning hole (6) arranged on the sliding guide rod (3), a second positioning hole (7) which is arranged on the seat base (1) and is matched with the first positioning hole (6), and a positioning pin (8) which is arranged in the first positioning hole (6) in a sliding mode and is matched and spliced with the second positioning hole (7); the first positioning hole (6) is formed in one side, close to the positioning seat (4), of the sliding guide rod (3) and is located in the center of the sliding guide rod (3) in the width direction;
a crash protection mechanism, said crash protection mechanism comprising: the controller and a pop-up air bag (9) are arranged on the positioning seat (4); when the controller detects that the helicopter crashes or the deformation value of the sliding guide rod (3) is larger than a preset deformation value, the pop-up air bag (9) is driven to pop up towards the sliding guide rod (3) to wrap the part of the first positioning hole (6) of the sliding guide rod (3);
the positioning seat (4) comprises: the air bag fixing device comprises a fixed bottom plate (12), a rotating upright post (13) fixedly arranged on the fixed bottom plate (12), and an air bag accommodating cavity (14) arranged on the fixed bottom plate (12);
one side of the sliding guide rod (3) facing the rotating upright post (13) is sleeved and rotatably connected with the rotating upright post (13) through a lantern ring (15); the air bag accommodating cavity (14) is arranged on the rotating path of the sliding guide rod (3) and is used for accommodating the pop-up air bag (9) and limiting the rotating angle of the rotating upright post (13);
the pop-up air bag (9) is made of a composite material, and the composite material comprises a supporting layer and an adhesive layer;
the supporting layer is an air bag inner layer and is made of light fabric material bristles;
the adhesive layer is coated on the supporting layer and consists of the following components in parts by weight:
70-80 parts of water, 9-12 parts of guar gum, 14-16 parts of glycerol, 1-2.5 parts of potassium sorbate, 1-2 parts of hydantoin, 0.2-0.4 part of citric acid and 1-2 parts of sodium tetraborate, wherein the viscosity of the guar gum is 7000-8500 mPa & S.
2. The military helicopter slide seat with a furled airbag of claim 1 wherein said crash protection mechanism further comprises: a deformation sensor arranged on the sliding guide rod (3);
the deformation sensor is a patch sensor arranged on the outer peripheral wall of the sliding guide rod (3), and the patch sensor is arranged at the position, corresponding to the first positioning hole (6), of the sliding guide rod (3);
when the deformation preset value is not less than the position fracture of the first positioning hole (6) of the sliding guide rod (3), the deformation value of the position of the first positioning hole (6) of the sliding guide rod (3) is four fifths.
3. Military helicopter sliding seat with furled airbags according to claim 1, characterized in that said pop-up airbags (9) comprise: a first airbag (10) and a second airbag (11); when the pop-up air bag (9) is in a pop-up state, the first air bag (10) and the second air bag (11) are arc-shaped air bags which are respectively arranged on two sides of the sliding guide rod (3) along the horizontal direction and are matched with the outer contour of the sliding guide rod (3).
4. Military helicopter sliding seat with furled airbags according to claim 1, characterized in that said pop-up airbags (9) are annular cylindrical airbags adapted to the shape of said sliding guides (3).
5. The military helicopter slide seat with a furled airbag of claim 1,
the rotating upright post (13) is fixed on the fixed bottom plate (12) through a flange plate;
at least two fixing holes are formed in the circumferential direction of the flange plate, and the air bag accommodating cavity (14) is detachably mounted on the flange plate through threaded connection.
6. The military helicopter slide seat with a furled airbag of claim 1,
the positioning seat (4) comprises: the device comprises a fixed bottom plate (12) and a rotating upright post (13) fixedly arranged on the fixed bottom plate (12);
one side of the sliding guide rod (3) facing the rotating upright post (13) is sleeved and rotatably connected with the rotating upright post (13) through a lantern ring (15); the pop-up air bag (9) is embedded in one side of the air bag accommodating cavity (14) close to the sliding guide rod (3).
7. Military helicopter sliding seat with a furled airbag according to claims 1 to 6 characterized in that said pop-up airbag (9) comprises: the air bag comprises an air bag outer cavity wall (16) and a partition layer (17) arranged in the air bag outer cavity wall (16); the partition layer (17) divides the space in the air bag outer cavity wall (16) into at least two independent inflatable cavities; the thickness of the air bag outer cavity wall (16) is smaller than that of the partition layer (17);
an inflation mechanism (18) which is matched and connected with an inflation port of the pop-up air bag (9) is arranged on the positioning seat (4), and independent inflation heads (19) which are opposite to each inflation cavity are respectively arranged on the inflation mechanism (18);
when the pop-up air bag (9) is inflated, the air pressure value in the inflation cavity at the central position of the pop-up air bag (9) is larger than that in the inflation cavity at the peripheral wall of the pop-up air bag (9).
8. The military helicopter slide seat with a furled airbag of claim 7,
the number of the partition layers (17) is two, and the pop-up air bag (9) is divided into a first inflation chamber (20), a second inflation chamber (21) and a third inflation chamber (22) which are independent of each other;
when the pop-up air bag (9) is in an inflated state, the first inflation chamber (20) is close to and attached to the sliding guide rod (3), and the second inflation chamber (21) is arranged between the first inflation chamber (20) and the third inflation chamber (22);
the air pressure value of the second inflation chamber (21) is respectively greater than the air pressure value of the first inflation chamber (20) and the air pressure value of the third inflation chamber (22); the air pressure value of the first inflation chamber (20) is larger than that of the third inflation chamber (22).
9. The military helicopter slide seat with a furled airbag of claim 6,
an accommodating groove for accommodating the pop-up air bag (9) is formed in the air bag accommodating cavity (14), and the pop-up air bag (9) is connected with the wall of the accommodating groove in an adhering manner;
and when the pop-up air bag (9) is in an inflated state, the pop-up air bag (9) overcomes the bonding force and moves out of the accommodating groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110129688.3A CN112829948B (en) | 2021-01-29 | 2021-01-29 | Military helicopter sliding seat with furling air bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110129688.3A CN112829948B (en) | 2021-01-29 | 2021-01-29 | Military helicopter sliding seat with furling air bag |
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| CN112829948A true CN112829948A (en) | 2021-05-25 |
| CN112829948B CN112829948B (en) | 2021-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114715409A (en) * | 2022-06-09 | 2022-07-08 | 北京天创凯睿科技有限公司 | Seat sliding device for fighter plane and fighter plane sliding seat |
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| CN112829948B (en) | 2021-11-12 |
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