CN104634191A - Heat proof bolt catcher with buffer structure - Google Patents
Heat proof bolt catcher with buffer structure Download PDFInfo
- Publication number
- CN104634191A CN104634191A CN201310556325.3A CN201310556325A CN104634191A CN 104634191 A CN104634191 A CN 104634191A CN 201310556325 A CN201310556325 A CN 201310556325A CN 104634191 A CN104634191 A CN 104634191A
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- bolt
- buffer structure
- spring bushing
- hole
- grabber
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Abstract
The invention belongs to the technical field of point type separation devices, and particularly relates to a heat proof bolt catcher with a buffer structure. The heat proof bolt catcher with the buffer structure comprises a base (5), a metal shell (6) and a spring bushing (7). A through hole is formed in the base (5), and the diameter of the through hole is larger than the diameter of a butt joint bolt (3). The radius of the spring bushing (7) is matched with the through hole of the base (5), the end A of the spring bushing (7) is fixedly mounted in the through hole of the base (5), and the end B of the spring bushing (7) is cut to be a plurality of spring pieces (9) which are bent inwards. The metal shell (6) is placed outside the spring bushing (7) and the butt joint bolt (3) and is fixedly mounted on the base (5). A rubber FRP heat proof sleeve (10) with a cavity inside is mounted outside the metal shell (6). According to the heat proof bolt catcher with the buffer structure, metal and rubber elastic materials deform in an elastic mode to decrease the movement speed of the butt joint bolt (3); the FRP heat proof sleeve (10) is connected in an adhesive mode, mounting is convenient, and wide adaptability is achieved.
Description
Technical field
The invention belongs to point type separator technical field, be specifically related to a kind of bolt grabber with buffer structure.
Background technology
Point type separator be used for the aircraft such as guided missile, rocket each portion section connection be separated.Grabber is the part of point type separator, for catch with hold be separated after to connecting bolt, play the cushioning effect reduced connecting bolt speed in connecting bolt acquisition procedure, in order to avoid produce greater impact to connecting bolt acquisition procedure.
After point type separator completes unblock, owing to there is higher movement velocity to connecting bolt, there is larger kinetic energy, if do not impose restriction to it, once the colliding to instrument and equipment on connecting bolt and bullet or on arrow of high-speed motion, will cause damage to it, affect instrument and normally work, even cause launch mission failure.Even if can not collide with instrument and equipment, what fly out also can become space trash to connecting bolt, threatens to spacecraft.In addition, the grabber case material of point type separator is aluminium alloy, after point type completes separation, docking bolt tail and bolt hole can be exposed to and play rocket body structure outside, under some flight thermal environment condition, due to the impact of Aerodynamic Heating, the temperature of docking around bolt tail and bolt hole can be increased to higher temperature, long-time heating can make hot-fluid enter in grabber from docking bolt tail and bolt hole, and by grabber housing by heat conduction to aircraft interior, affect the normal work of internal structure or instrument and equipment.Need to design thermal protection structure, ensure that grabber outside heat can not be conducted in aircraft by grabber housing.
Summary of the invention
The object of the invention is for the problems of the prior art, a kind of grabber with buffer structure is provided, utilize a spring leaf device and rubber buffer to slow down movement velocity to connecting bolt, and complete the capturing function of grabber; Adopt simultaneously and utilize a glass steel shell to completely cut off outside heat, complete the solar heat protection function of grabber.
The technical scheme realizing the object of the invention is:
There is a bolt grabber for buffer structure, comprise pedestal, metal shell, spring bushing; Pedestal is the plate that one piece of centre has through hole, and the diameter of through hole is greater than the diameter of docking threaded screw fasteners head; Spring bushing is a metallic cylinder, the radius of cylinder matches with the through hole of pedestal and its A is held be fixedly mounted in the through hole of pedestal, the barrel of the B end of spring bushing is cut into many parts and forms multiple spring leaf, depth of cut is less than the length of spring bushing, inside for spring leaf bending is made the B end of spring bushing in petal shape; Metal shell is the cylinder shell of an one end open, is located at spring bushing and to outside connecting bolt, is fixedly mounted on pedestal.
The bottom of described metal shell is provided with the rubber buffer that an inside has cavity.
Fiberglass heat shroud is installed outside described metal shell, connects with high temperature resistant glue.
Beneficial effect of the present invention is:
The present invention utilizes metal and the endergonic principle of rubber elastic material generation elastic deformation to reduce movement velocity to connecting bolt, and the motion buffering of the bolt that achieves a butt joint, reduces bolt and impact, and protection grabber housing is not destroyed; Can the characteristic of reinstatement to achieve a butt joint the capturing function of bolt after utilizing spring leaf generation elastic deformation.Fiberglass heat shroud set forth in the present invention adopts epoxy glass fabric rod (laminated rod) raw material turnery processing to manufacture, and solar heat protection is effective, lightweight, and structure is simple.Fiberglass heat shroud set forth in the present invention adopts gluing mode to be connected with grabber housing, easy for installation, has adaptability widely to various forms of grabber.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of the present invention in using state.
In figure: 1-grabber; 2-connector; 3-is to connecting bolt; 4-separation nut; 5-pedestal; 6-metal shell; 7-spring bushing; 8-cushion pad; 9-spring leaf; 10-fiberglass heat shroud; 11-glue; 12-bolt hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
Embodiment 1
Connector 2 is the metallic plate that one piece of centre has bolt hole, and bolt grabber 1 is arranged on the side of connector 2, is arranged in grabber 1 to the bolt head of connecting bolt 3, and shank of bolt is connected with separation nut 4 through connector 2, as shown in Figure 1.
A kind of bolt grabber with buffer structure in the present embodiment, its structure as shown in Figures 2 and 3, comprises pedestal 5, metal shell 6, spring bushing 7, cushion pad 8; Pedestal 5 is (metal) plate that one piece of centre has through hole, is fixedly mounted on connector 2 side by screw, and the diameter of through hole is greater than the diameter to connecting bolt 3 bolt head; Spring bushing 7 is a metallic cylinder, the radius of cylinder matches with the through hole of pedestal 5 and makes its one end be fixedly mounted in the through hole of pedestal 5, for ease of hereafter describing, the one end be arranged on by spring bushing 7 in pedestal 5 through hole is called that A holds, the other end is called that B holds, the barrel of the B end of spring bushing 7 is cut into some parts and forms several spring leafs 9, and depth of cut is less than the length of spring bushing, and by spring leaf 9, inwardly bending makes the B of spring bushing 7 hold is petal shape; Connecting bolt 3 is positioned to through hole and spring bushing 7 centre of pedestal 5; Metal shell 6 is the cylinder shell of an one end open, is located at spring bushing 7 and to outside connecting bolt 3, is fixedly mounted on pedestal 5; The rubber buffer 8 that an inside has cavity is installed in the bottom of metal shell 6.
In use, when point type separator completes unblock, to connecting bolt 3 under the effect of separation nut 4 to grabber 1 direction high-speed motion.First colliding with spring bushing 7 to connecting bolt 3, there is elastic deformation in the spring leaf 9 forcing spring bushing 7 inwardly to stretch out, and utilizes the energy of distortion absorption to connecting bolt 3 of spring leaf 9, its speed is reduced.Continue to collide with cushion pad 8 forward after passing the spring leaf 9 of spring bushing 7 to connecting bolt 3, utilize the elastic deformation of cushion pad 8 to continue to absorb the remaining kinetic energy to connecting bolt 3, make its speed continue to reduce.Cushion pad 8 can be made up of rubber elastomeric material.May rebound backward to connecting bolt 3 and cushion pad 8 collision rift, contact with the spring leaf 9 inwardly stretched out of spring bushing 7, no longer continue to move backward.Like this, repeatedly moving between spring leaf 9 and cushion pad 8 to connecting bolt 3 can be static for several times, rests on grabber 1 inner, thus completes buffering and capturing function.
Embodiment 2
In order to avoid after point type separator is separated, outside hot-fluid imports grabber 1 into the afterbody of connecting bolt 3 and bolt hole 12, and the bolt grabber of the present embodiment has set up fiberglass heat shroud 10 on the basis of embodiment 1.Fiberglass heat shroud 10 is positioned at outside metal shell 6, and connect with high temperature resistant glue 11, glue 11 solidifies the assembling the two having been cemented grabber 1.
In use, be exposed to aircraft exterior to the afterbody of connecting bolt 3 and bolt hole 12, by pneumatic heat effect, outside hot-fluid imports grabber 1 into the afterbody of connecting bolt 3 and bolt hole 12.When heat conduction is to fiberglass heat shroud 10, because fiberglass heat shroud 10 has heat-blocking action, outside heat no longer to the conduction of aircraft interior space, ensure that internal structure and instrument and equipment normally work.
The fiberglass heat shroud 10 that the present embodiment is set forth adopts epoxy glass fabric rod (laminated rod) raw material turnery processing to manufacture, and solar heat protection is effective, lightweight, and structure is simple; The fiberglass heat shroud 10 that the present embodiment is set forth adopts gluing mode to be connected with grabber 1 housing, easy for installation, has adaptability widely to various forms of grabber 1.
Above embodiments of the invention are explained in detail, above-mentioned embodiment is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (7)
1. there is a bolt grabber for buffer structure, it is characterized in that: comprise pedestal (5), metal shell (6) and spring bushing (7); Pedestal (5) is the plate that one piece of centre has through hole, and the diameter of through hole is greater than the diameter to connecting bolt (3) bolt head; Spring bushing (7) is a metallic cylinder, the radius of cylinder matches in the through hole that the A of spring bushing (7) held be fixedly mounted on pedestal (5) with the through hole of pedestal (5), the barrel of the B end of spring bushing (7) is cut into many parts and forms multiple spring leaf (9), and by spring leaf (9), inwardly bending makes the B of spring bushing 7 hold is petal shape; Metal shell (6) is the cylinder shell of an one end open, is located at spring bushing (7) and to connecting bolt (3) outward, is fixedly mounted on pedestal (5).
2. a kind of bolt grabber with buffer structure as claimed in claim 1, is characterized in that: the bottom of described metal shell (6) is provided with a cushion pad (8).
3. a kind of bolt grabber with buffer structure as claimed in claim 2, is characterized in that: described cushion pad (8) inside has cavity.
4. a kind of bolt grabber with buffer structure as claimed in claim 2 or claim 3, is characterized in that: described cushion pad (8) is quality of rubber materials.
5. a kind of bolt grabber with buffer structure as claimed in claim 1, is characterized in that: be provided with fiberglass heat shroud (10) outside described metal shell (6).
6. a kind of bolt grabber with buffer structure as claimed in claim 1, is characterized in that: described metal shell (6) is bonding with the high temperature resistant glue of fiberglass heat shroud (10) (11).
7. a kind of bolt grabber with buffer structure as claimed in claim 5, is characterized in that: described fiberglass heat shroud (10) forms for the manufacture of epoxy glass fabric rod turnery processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556325.3A CN104634191A (en) | 2013-11-11 | 2013-11-11 | Heat proof bolt catcher with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556325.3A CN104634191A (en) | 2013-11-11 | 2013-11-11 | Heat proof bolt catcher with buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104634191A true CN104634191A (en) | 2015-05-20 |
Family
ID=53213216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310556325.3A Pending CN104634191A (en) | 2013-11-11 | 2013-11-11 | Heat proof bolt catcher with buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104634191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667839A (en) * | 2016-02-05 | 2016-06-15 | 大连理工大学 | Non-pyrotechnic point-mode separation device |
| CN105973079A (en) * | 2016-05-05 | 2016-09-28 | 北京理工大学 | Electromagnetic type separation device |
| CN112377501A (en) * | 2020-10-26 | 2021-02-19 | 北京宇航***工程研究所 | Reverse nut separating device convenient to butt joint operation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002120A (en) * | 1975-07-31 | 1977-01-11 | The United States Of America As Represented By The Secretary Of The Navy | Missile stage coupler |
| US4187759A (en) * | 1977-09-16 | 1980-02-12 | The United States Of America As Represented By The Secretary Of The Navy | Separation nut system |
| RU2150413C1 (en) * | 1999-02-24 | 2000-06-10 | Государственный космический научно-производственный центр им. М.В. Хруничева | Pyro lock |
| CN201897437U (en) * | 2010-11-12 | 2011-07-13 | 北京宇航***工程研究所 | Cut separating ring capture device |
| RU127186U1 (en) * | 2012-11-29 | 2013-04-20 | Открытое Акционерное Общество "Государственное Машиностроительное Конструкторское Бюро "Радуга" Имени А.Я. Березняка" | AIRCRAFT COMPARTMENT SEPARATION NODE |
| CN203572346U (en) * | 2013-11-11 | 2014-04-30 | 北京宇航***工程研究所 | Heat-proof bolt catcher of buffering structure |
-
2013
- 2013-11-11 CN CN201310556325.3A patent/CN104634191A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002120A (en) * | 1975-07-31 | 1977-01-11 | The United States Of America As Represented By The Secretary Of The Navy | Missile stage coupler |
| US4187759A (en) * | 1977-09-16 | 1980-02-12 | The United States Of America As Represented By The Secretary Of The Navy | Separation nut system |
| RU2150413C1 (en) * | 1999-02-24 | 2000-06-10 | Государственный космический научно-производственный центр им. М.В. Хруничева | Pyro lock |
| CN201897437U (en) * | 2010-11-12 | 2011-07-13 | 北京宇航***工程研究所 | Cut separating ring capture device |
| RU127186U1 (en) * | 2012-11-29 | 2013-04-20 | Открытое Акционерное Общество "Государственное Машиностроительное Конструкторское Бюро "Радуга" Имени А.Я. Березняка" | AIRCRAFT COMPARTMENT SEPARATION NODE |
| CN203572346U (en) * | 2013-11-11 | 2014-04-30 | 北京宇航***工程研究所 | Heat-proof bolt catcher of buffering structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667839A (en) * | 2016-02-05 | 2016-06-15 | 大连理工大学 | Non-pyrotechnic point-mode separation device |
| CN105973079A (en) * | 2016-05-05 | 2016-09-28 | 北京理工大学 | Electromagnetic type separation device |
| CN112377501A (en) * | 2020-10-26 | 2021-02-19 | 北京宇航***工程研究所 | Reverse nut separating device convenient to butt joint operation |
| CN112377501B (en) * | 2020-10-26 | 2022-05-24 | 北京宇航***工程研究所 | Reverse nut separating device convenient to butt joint operation |
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Application publication date: 20150520 |
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| RJ01 | Rejection of invention patent application after publication |