CN208818087U - A kind of limit-type Separation momentum offer device based on spring - Google Patents
A kind of limit-type Separation momentum offer device based on spring Download PDFInfo
- Publication number
- CN208818087U CN208818087U CN201821621420.1U CN201821621420U CN208818087U CN 208818087 U CN208818087 U CN 208818087U CN 201821621420 U CN201821621420 U CN 201821621420U CN 208818087 U CN208818087 U CN 208818087U
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- China
- Prior art keywords
- mandril
- limit
- sleeve
- section
- spring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of limit-type Separation momentum offer device based on spring, it includes sleeve and the mandril in sleeve, sleeve is stretched out in one end of mandril, other end outer sheath is equipped with spring, polygon limit section is provided on the lateral wall of the mandril, the inner cavity of the sleeve is provided with the type chamber section that with polygon limit section cooperation and shape is adapted, being respectively arranged on the lateral wall of the mandril and the side wall of sleeve can be with the limit hole of detent fit, and the center between the limit hole on the limit hole and sleeve on mandril is away from the impulse stroke for being equal to spring.The device can guarantee the gradually release with compressed spring, the separation section of mandril movement progress rocket only in the axial direction, to prevent separation momentum loss.
Description
Technical field
The utility model relates to a kind of, and the limit-type Separation momentum based on spring provides device, belongs to rocket point
From technical field.
Background technique
Separation section generally provides separation momentum using cut spring device during separating from rocket body,
Cut spring device is axisymmetricly distributed on the reference circle in Separation face, to guarantee disjunctive path always along axial direction.Separation
Spring arrangement requirement installation is simple, can reset, and therefore, generallys use the sleeve of cylindrical type chamber and the mandril of cylindrical type, limitation set
Compressed spring on mandril is upon discharge along axial pop-up.But during spring pop-up, due to mandril, sleeve
Mating surface is cylindrical surface, and the thrust acted on mandril can cause the rotation in sleeve, causes the loss of separating force.
Utility model content
The technical problems to be solved in the utility model aiming at deficiency of the prior art, and provides a kind of base
Device is provided in the limit-type Separation momentum of spring, which can guarantee the gradually release with compressed spring, mandril
The separation section of movement progress rocket only in the axial direction, to prevent separation momentum loss.
This programme is achieved by the following technical measures: should provide dress based on the limit-type Separation momentum of spring
The mandril including sleeve and in sleeve is set, sleeve is stretched out in one end of mandril, other end outer sheath is equipped with spring, the mandril
Lateral wall on be provided with polygon limit section, the inner cavity of the sleeve be provided with polygon limit section cooperation and shape mutually fit
The type chamber section answered, be respectively arranged on the lateral wall of the mandril and the side wall of sleeve can with the limit hole of detent fit, and
The center between the limit hole on limit hole and sleeve on mandril is away from the impulse stroke for being equal to spring.
Preferably, the inner cavity of the sleeve includes polygon type chamber section and cylindrical type chamber section, wherein the polygon type chamber
Section is positioned close to one end of mandril extension end, and cylindrical type chamber section is arranged far from one end of mandril extension end, and polygon type
The circumscribed circle diameter of chamber section is less than the diameter of cylindrical type chamber section, is formed and is limited in the junction of polygon type chamber section and cylindrical type chamber section
Position shoulder A.
Preferably, the limit section includes the installation base A being arranged at intervals on mandril lateral wall and limited shoulder B, described
Installation base A is the polygonal ring shape boss being adapted with polygon type chamber section shape, and limited shoulder B is to cooperate with limited shoulder A
Cirque structure, spring pocket is on the outside of one section of mandril between limited shoulder B and sleeve end face.
Preferably, the limit hole being radially arranged on installation base A along mandril, and installation base A and polygon type
Chamber section clearance fit.
Preferably, the side of limited shoulder A cooperation is provided with washer, and limited shoulder B and cylindrical type chamber in the limited shoulder B
Section clearance fit.
Preferably, installation base B is provided on the lateral wall of the sleeve, the limit hole of sleeve is extended radially through along sleeve to be set
It sets on installation base B.
Preferably, the one end stretched out in the sleeve for mandril is enclosed construction, and closed end is provided with and stretches for mandril
Through-hole out, the inner cavity whole process of sleeve are polygon cavity structure.
Preferably, the limit section is the limited shoulder C for being arranged on the outside of mandril and being mutually applicable in polygon cavity shape,
Limit hole on mandril is arranged on the lateral surface of limited shoulder C, and spring pocket is mounted between limited shoulder C and polygon type resonator end surface
On the outside of one section of mandril.
Preferably, the limited shoulder C and polygon type chamber are clearance fit.
Preferably, the cross section of polygon limit section and type chamber section is square or hexagon.
Preferably, one end opposite with mandril extension end in the sleeve is fixed with connecting flange, is connected in connecting flange
There is pedestal, be provided with threaded hole A on the pedestal, mandril is provided with close to one section of pedestal along its axial direction coaxial with threaded hole A
Threaded hole B.
This programme the utility model has the advantages that
1, present apparatus functional: the cooperation of section and type chamber section is limited by polygon, it is therefore prevented that mandril is in sleeve
Itself rotation, reduces the loss of separation momentum；
2, device integrated level is high: the device uses purely mechanic cooperation, and matching relationship is simple, it is only necessary to which a positioning pin can be real
Mandril rotary spacing can be realized in existing mandril axial limiting, device itself, is not necessarily to additional limiting device；
3, applied widely: the apparatus structure relationship is simple, can be widely applied to various provide with spring separator
On the parting surface for separating momentum.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of specific embodiment of the present invention one.
Fig. 2 be specific embodiment of the present invention one in spring in the raw when schematic cross-sectional view.
Fig. 3 is the schematic cross-sectional view that spring is when in a compressed state in specific embodiment of the present invention one.
Fig. 4 is the structural schematic diagram that spring is when in a compressed state in specific embodiment of the present invention one.
Fig. 5 is the structural schematic diagram of specific embodiment of the present invention two.
In figure, 1- mandril, 2- installation base A, 3- limit hole, 4- limited shoulder B, 5- washer, 6- sleeve, 7- threaded hole A, 8-
Positioning pin, 9- installation base B, 10- spring, 11- pedestal, 12- polygon type chamber section, 13- limited shoulder A, 14- cylindrical type chamber section,
The impulse stroke of 15- threaded hole B, 16- spring, 17- connecting flange, 18- through-hole, 19- limited shoulder C.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to we
Case is illustrated.
A kind of limit-type Separation momentum based on spring provides device, as shown, it includes sleeve 6 and is located at set
Mandril 1 in cylinder 6, sleeve 6 is stretched out in one end of mandril 1, other end outer sheath is equipped with spring 10, stretches in the sleeve 6 with mandril 1
The opposite one end of outlet is fixed with connecting flange 17, and pedestal 11 is fixed in connecting flange 17, is provided with spiral shell on the pedestal 11
Pit A7, mandril 1 are provided with the threaded hole B15 coaxial with threaded hole A7, threaded hole A7 along its axial direction close to one section of pedestal 11
For connecting assisting tension tool, mandril 1 is pulled to move in sleeve 6 by assisting tension tool, threaded hole B15 on the one hand can
So that assisting tension tool passes through, on the other hand pedestal 11 can also be fixedly connected with rocket body by fastener.The mandril 1
Lateral wall on be provided with polygon limit section, the inner cavity of the sleeve 6 be provided with and polygon limit section cooperation and shape phase
The cross section of the type chamber section of adaptation, the preferably described polygon limit section and type chamber section is square or hexagon, in this way by more
Side shape limits the cooperation of section and type chamber section, realizes circumferential limit to mandril 1, prevents mandril 1 around central shaft rotation.The top
The limit hole 3 that can cooperate with positioning pin 8, and the limit on mandril 1 are respectively arranged on the lateral wall of bar 1 and the side wall of sleeve 6
The center between limit hole 3 on hole 3 and sleeve 6 can both realize mandril 1 in spring in this way away from the impulse stroke 16 for being equal to spring
It is popped up outward under 10 reset response, the limit hole 3 on mandril 1 and sleeve 6 can also be kept right by limiting section compressed spring 10
Just, positioning pin 8 is inserted into two limit holes 3, realizes the axial limiting to mandril 1.
Wherein, the connection structure of the sleeve 6 and mandril 1 can use the following two kinds.
(1) inner cavity of the sleeve 6 includes polygon type chamber section 12 and cylindrical type chamber section 14, wherein the polygon type
Chamber section 12 is positioned close to one end of 1 extension end of mandril, and cylindrical type chamber section 14 is arranged far from one end of 1 extension end of mandril (i.e.
11 place end of pedestal), and the circumscribed circle diameter of polygon type chamber section 12 is less than the diameter of cylindrical type chamber section 14, thus polygon
The junction of shape type chamber section 12 and cylindrical type chamber section 14 forms limited shoulder A13.The limit section includes being arranged at intervals on outside mandril 1
Installation base A2 and limited shoulder B4, the installation base A2 on side wall is polygon to be adapted with 12 shape of polygon type chamber section
Shape annular boss, and installation base A2 and 12 clearance fit of polygon type chamber section, can guarantee that mandril 1 can be in sleeve 6 in this way
It is smoothly mobile.The limited shoulder B4 is the cirque structure cooperated with limited shoulder A13, in the limited shoulder B4 with limited shoulder A13
The side of cooperation is provided with washer 5, and limited shoulder B4 and 14 clearance fit of cylindrical type chamber section, it is ensured that mandril 1 can cover
It is smoothly moved in cylinder 6.The spring 10 is sleeved on one section of mandril, 1 outside between 6 end face limited shoulder B4 and sleeve, the limit
Position hole 3 being radially arranged on installation base A2 along mandril 1 is provided with installation base B9, sleeve on the lateral wall of the sleeve 6
6 limit hole 3 is extended radially through along sleeve 6 to be arranged on installation base B9.
After this structure type, mandril 1, sleeve 6, spring 10 (nature), pedestal 11, washer 5 have been assembled
Finish the assembly formed when spring 10 is nature, auxiliary tool (such as threaded) is recycled to initially pass through the screw thread on pedestal 11
Hole A7, is then threaded into the threaded hole B15 of 1 tail end of mandril (i.e. close to one end of pedestal 11), and auxiliary tool is caudad pulled out,
Meanwhile the movement with mandril 1 to 11 end of pedestal, spring 10 are gradually in compressive state, the length that auxiliary tool pulls out is equal to
The decrement of spring 10；When reaching the initial compression amount of the requirement of spring 10, the limit hole 3 on mandril 1 and sleeve 6 is aligned, will
Positioning pin 8 is inserted into the limit hole 3 on mandril 1 and sleeve 6, realizes axially position of the mandril 1 in sleeve 6.It then, will be auxiliary
Assistant engineer's tool is removed, and is provided entire Separation momentum by the threaded hole A7 on pedestal 11 using fastener (such as bolt assembly)
Device is affixed on rocket body structure, in use, making entire Separation momentum provide device after the effect of Separation tripper
With the connected constraint release of rocket body, positioning pin 8 is extracted from two limit holes 3, spring 10 resets and drives 1 head of mandril (i.e.
Stretch out one end of sleeve 6) certain displacement is moved forward, withstand on limited shoulder B4 on limited shoulder A13, to realize that mandril 1 is covering
Axial limiting in cylinder 6, during this, mandril 1 will be (endpiece of a sub- grade as above, dynamic by the separation section in front of parting surface
Power cabin etc.) ejection certain displacement, realize the section separation of rocket, in separation process, the installation base A2 of mandril 1 and sleeve 6
Polygon type chamber section 12 cooperates, and has limited mandril 1 around the rotation of central axis, so that the loss of separation momentum is reduced, it is this
Structure type is particularly suitable for the situation that 10 stroke of spring is not grown.
(2) one end stretched out in the sleeve 6 for mandril 1 is enclosed construction, and closed end is provided with and stretches for mandril 1
Through-hole 18 out, mandril 1 and 18 clearance fit of through-hole guarantee that mandril 1 can be moved horizontally smoothly, and the inner cavity of sleeve 6 is complete
Cheng Junwei polygon cavity structure.The limit section is the limit that 1 outside of mandril is arranged in and is mutually applicable in polygon cavity shape
Position shoulder C19, the limit hole 3 on mandril 1 are arranged on the lateral surface of limited shoulder C19, spring 10 be sleeved on limited shoulder C19 with it is polygon
One section of mandril, 1 outside between shape type resonator end surface (one end for being provided with pedestal 11).The limited shoulder C19 is with polygon type chamber
Clearance fit, to guarantee that mandril 1 can smoothly move in sleeve 6.
It is nature shape that mandril 1, sleeve 6, spring 10 (nature), pedestal 11, the assembly of washer 5, which are finished, and to form spring 10
Assembly when state recycles auxiliary tool (such as threaded) to initially pass through the threaded hole A7 on pedestal 11, is then threaded into 1 tail of mandril
In the threaded hole B15 for holding (i.e. close to one end of pedestal 11), auxiliary tool is caudad pulled out, meanwhile, as mandril 1 is to pedestal
The movement at 11 ends, spring 10 are gradually in compressive state, and the length that auxiliary tool pulls out is to be equal to the decrement of spring 10；When reaching
When the initial compression amount that spring 10 requires, the limit hole 3 on mandril 1 and sleeve 6 is aligned, and positioning pin 8 is inserted into mandril 1 and set
In limit hole 3 on cylinder 6, axially position of the mandril 1 in sleeve 6 is realized.Then, auxiliary tool is removed, utilizes fastener
(such as bolt assembly) provides entire Separation momentum to device by the threaded hole A7 on pedestal 11 and is affixed on rocket body structure,
In use, so that entire Separation momentum is provided the connected constraint release of device and rocket body after the effect of Separation tripper,
Positioning pin 8 is extracted from two limit holes 3, spring 10 resets and drives 1 head of mandril (one end for stretching out sleeve 6) Xiang Qianyi
Dynamic certain displacement, withstands on limited shoulder C19 on the inner face of sleeve 6, thus realize axial limiting of the mandril 1 in sleeve 6, this
During one, mandril 1 will separate section and eject certain displacement, realize that the section of rocket separates, in separation process, the limit of mandril 1
The cooperation of the inner wall of position shoulder C19 and sleeve 6, has limited mandril 1 around the rotation of central axis, to reduce the damage of separation momentum
It loses, this structure type is particularly suitable for nervous space, 10 stroke of spring and very long situation.
Technical characteristic in the utility model without description can be achieved by the prior art, and details are not described herein.This reality
It is not limited in above-mentioned specific embodiment with novel, those of ordinary skill in the art do in the essential scope of the utility model
Variations, modifications, additions or substitutions out, should also belong to the protection scope of the utility model.
Claims (10)
1. a kind of limit-type Separation momentum based on spring provides device, it includes sleeve and the mandril in sleeve,
Sleeve is stretched out in one end of mandril, other end outer sheath is equipped with spring, it is characterized in that: being provided on the lateral wall of the mandril polygon
Shape limits section, and the inner cavity of the sleeve is provided with the type chamber section that with polygon limit section cooperation and shape is adapted, the mandril
Lateral wall and sleeve side wall on be respectively arranged with can be with the limit hole of detent fit, and limit hole and sleeve on mandril
On limit hole between center away from be equal to spring impulse stroke.
2. the limit-type Separation momentum according to claim 1 based on spring provides device, it is characterized in that: the set
The inner cavity of cylinder includes polygon type chamber section and cylindrical type chamber section, wherein the polygon type chamber section is positioned close to mandril stretching
The one end at end, cylindrical type chamber section is arranged far from one end of mandril extension end, and the circumscribed circle diameter of polygon type chamber section is less than
The diameter of cylindrical type chamber section forms limited shoulder A in the junction of polygon type chamber section and cylindrical type chamber section.
3. the limit-type Separation momentum according to claim 2 based on spring provides device, it is characterized in that: the limit
Position section includes the installation base A being arranged at intervals on mandril lateral wall and limited shoulder B, the installation base A are and polygon type
The adaptable polygonal ring shape boss of chamber section shape, limited shoulder B is the cirque structure cooperated with limited shoulder A, and spring pocket is mounted in
On the outside of one section of mandril between limited shoulder B and sleeve end face.
4. the limit-type Separation momentum according to claim 3 based on spring provides device, it is characterized in that: the limit
Position hole being radially arranged on installation base A along mandril, and installation base A and polygon type chamber section clearance fit, the limit
The side of limited shoulder A cooperation is provided with washer, and limited shoulder B and cylindrical type chamber section clearance fit in shoulder B.
5. the limit-type Separation momentum according to claim 1,2 or 3 based on spring provides device, it is characterized in that:
Installation base B is provided on the lateral wall of the sleeve, the limit hole of sleeve is extended radially through along sleeve to be arranged in installation base B
On.
6. the limit-type Separation momentum according to claim 1 based on spring provides device, it is characterized in that: the set
One end in cylinder for mandril stretching is enclosed construction, and closed end is provided with the through-hole stretched out for mandril, and the inner cavity of sleeve is complete
Cheng Junwei polygon cavity structure.
7. the limit-type Separation momentum according to claim 6 based on spring provides device, it is characterized in that: the limit
Position section is the limited shoulder C for being arranged on the outside of mandril and being mutually applicable in polygon cavity shape, and the limit hole setting on mandril is limiting
On the lateral surface of position shoulder C, spring pocket is on the outside of one section of mandril between limited shoulder C and polygon type resonator end surface.
8. the limit-type Separation momentum according to claim 7 based on spring provides device, it is characterized in that: the limit
Position shoulder C and polygon type chamber are clearance fit.
9. the limit-type Separation momentum according to claim 4 based on spring provides device, it is characterized in that: described more
The cross section of side shape limit section and type chamber section is square or hexagon.
10. according to claim 1, the limit-type Separation momentum described in 2,3,6 or 7 based on spring provides device, special
Sign is: one end opposite with mandril extension end is fixed with connecting flange in the sleeve, and pedestal is fixed in connecting flange, described
It is provided with threaded hole A on pedestal, mandril is provided with the threaded hole B coaxial with threaded hole A along its axial direction close to one section of pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821621420.1U CN208818087U (en) | 2018-10-09 | 2018-10-09 | A kind of limit-type Separation momentum offer device based on spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821621420.1U CN208818087U (en) | 2018-10-09 | 2018-10-09 | A kind of limit-type Separation momentum offer device based on spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818087U true CN208818087U (en) | 2019-05-03 |
Family
ID=66279211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821621420.1U Withdrawn - After Issue CN208818087U (en) | 2018-10-09 | 2018-10-09 | A kind of limit-type Separation momentum offer device based on spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815789A (en) * | 2021-01-21 | 2021-05-18 | 山东宇航技术有限公司 | Fairing horizontal throwing separation device with spring pushing and punching functions |
-
2018
- 2018-10-09 CN CN201821621420.1U patent/CN208818087U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815789A (en) * | 2021-01-21 | 2021-05-18 | 山东宇航技术有限公司 | Fairing horizontal throwing separation device with spring pushing and punching functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200102 Address after: 100176 Beijing Daxing District Beijing economic and Technological Development Zone, 9 South of Shing Sheng 1 1 3 story 329 Co-patentee after: Beijing Star glory Technology Co., Ltd Patentee after: Beijing interstellar glory InterSpace Technology Ltd Address before: 100176 Beijing Daxing District Beijing economic and Technological Development Zone, 9 South of Shing Sheng 1 1 3 story 329 Patentee before: Beijing interstellar glory InterSpace Technology Ltd |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100032 1-14-214, 2nd floor, 136 Xiwai street, Xicheng District, Beijing Patentee after: Beijing Star glory Space Technology Co.,Ltd. Patentee after: Beijing Star glory Technology Co.,Ltd. Address before: 100176 329, 3rd floor, building 1, No.9, Disheng South Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: BEIJING XINGJIRONGYAO SPACE TECHNOLOGY Co.,Ltd. Patentee before: Beijing Star glory Technology Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190503 Effective date of abandoning: 20210412 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190503 Effective date of abandoning: 20210412 |