CN220689922U - Positioning bolt device for rocket stage butt joint - Google Patents
Positioning bolt device for rocket stage butt joint Download PDFInfo
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- CN220689922U CN220689922U CN202322495586.0U CN202322495586U CN220689922U CN 220689922 U CN220689922 U CN 220689922U CN 202322495586 U CN202322495586 U CN 202322495586U CN 220689922 U CN220689922 U CN 220689922U
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- 210000001503 joint Anatomy 0.000 title abstract description 21
- 238000003032 molecular docking Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 235000015842 Hesperis Nutrition 0.000 abstract description 2
- 235000012633 Iberis amara Nutrition 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The application relates to the technical field of rockets, in particular to a positioning bolt device for rocket sublevel docking, which comprises: the fixing seat, the pin shaft and the elastic component are inserted; one section of the fixed seat is used for being fixed on the upper end frame of the lower cabin section, and the other section of the fixed seat is provided with a movable cavity which is inwards concave from the end head; the elastic component is arranged in the movable cavity of the fixed seat; one section of the pin shaft is fixed on the lower end frame of the upper cabin section, the other section of the pin shaft is inserted into the movable cavity, and the end part of the pin shaft is contacted with the elastic part in the movable cavity; the side surface of the bolt shaft is provided with a scale, and the extending direction of the scale is the same as the axial direction of the bolt shaft. The rocket stage butt joint device can enable the butt joint of the rocket stage to be time-saving and labor-saving, and improves the butt joint efficiency of the rocket stage.
Description
Technical Field
The application relates to the technical field of rockets, in particular to a positioning bolt device for rocket sublevel docking.
Background
When the sub-stages of the solid/liquid rocket are in butt joint, firstly, the distances between the 4 quadrants of the upper stage cabin section and the 4 quadrants of the lower stage cabin section are measured by adopting a steel plate ruler, after the distances are all equal, the upper stage cabin section carried by the upper stage cabin section is horizontally and transversely pushed to be close to the lower stage cabin section, then, positioning is carried out by utilizing positioning pins arranged at the 4 quadrants of the upper end frame of the lower stage cabin section, namely, the 4 positioning pins are all inserted into pin holes of the lower end frame of the upper stage cabin section and kept for a distance, and finally, the upper stage cabin section is moved to be completely attached to the upper and lower stage end frames, and a circle of fastening bolts are installed to finish the butt joint. However, alignment of the locating pins and the pin holes is observed by naked eyes, and alignment is difficult by naked eyes, so that the rocket stage butt joint is time-consuming and labor-consuming, and the efficiency is low.
Therefore, how to make the docking of the rocket sub-stage save time and labor and improve the docking efficiency of the rocket sub-stage is a technical problem which needs to be solved by the skilled in the art.
Disclosure of Invention
In view of this, the present application provides a positioning latch for rocket stage docking to make docking of rocket stage save time and effort and to improve docking efficiency of rocket stage.
In order to solve the technical problems, the application provides the following technical scheme:
a detent latch for rocket sublevel docking, comprising: the fixing seat, the pin shaft and the elastic component are inserted; one section of the fixed seat is used for being fixed on the upper end frame of the lower cabin section, and the other section of the fixed seat is provided with a movable cavity which is inwards concave from the end head; the elastic component is arranged in the movable cavity of the fixed seat; one section of the pin shaft is fixed on the lower end frame of the upper cabin section, the other section of the pin shaft is inserted into the movable cavity, and the end part of the pin shaft is contacted with the elastic part in the movable cavity; the side surface of the bolt shaft is provided with a scale, and the extending direction of the scale is the same as the axial direction of the bolt shaft.
The positioning bolt device for rocket sublevel docking as described above, wherein preferably, a section of the fixing seat is inserted into a pin hole of an upper end frame of a lower level cabin section so as to realize fixed connection; one section of the pin shaft is inserted into a pin hole of the lower end frame of the upper cabin section so as to realize fixed connection.
A detent latch for rocket stage docking as described above wherein preferably one section of the holder has a smaller diameter than the other section of the holder.
The positioning bolt device for rocket stage butt joint as described above, wherein preferably, a plurality of positioning long holes penetrating inside and outside are formed on the side wall of the other section of the fixed seat, and the extending direction of the positioning long holes is the same as the extending direction of the fixed seat; the side wall of the other section of the pin shaft is provided with a plurality of radial extending limiting pins, and one limiting pin is inserted into one positioning long hole.
The positioning bolt device for rocket stage docking is characterized in that preferably, four positioning long holes are formed in the side wall of the other section of the fixed seat; the side wall of the other section of the pin shaft is provided with four radial extending limiting pins which are matched with the four positioning long holes.
The positioning bolt device for rocket stage docking as described above, wherein preferably, four positioning long holes are uniformly distributed on the side wall of the other section of the fixed seat; the four limiting pins are uniformly distributed on the side wall of the other section of the bolt shaft.
A detent latch for rocket stage docking as described above wherein preferably one end of the resilient member is secured to the bottom of the movable chamber and the other end of the resilient member is remote from the bottom of the movable chamber.
The detent latch for rocket stage docking as described above, wherein preferably the resilient portion is a spring.
The positioning latch for rocket stage docking as described above, wherein it is preferable that the sidewall of the latch has a radially protruding ring of positioning wings, and the positioning wings are located at a position near the outside of the middle of the latch.
A detent latch for rocket stage docking as described above, wherein preferably the scale extends from the detent wing into the movable cavity of the holder.
In the butt joint process of the upper cabin section and the lower cabin section, the rough methods such as steel plate ruler measurement and visual observation are abandoned, the positioning bolt device for rocket sublevel butt joint has an automatic telescopic function, the concentric alignment efficiency of the bolt shaft and the pin hole is improved, the bolt shaft of the positioning bolt device for rocket sublevel butt joint is provided with the ruler, the positioning bolt shaft is enabled to have a high-precision distance measurement function, and the synchronous adjustment of the distance between the upper quadrant and the lower quadrant can be guaranteed, so that the positioning bolt device can improve the rocket sublevel butt joint assembly efficiency, reduce the labor intensity, is suitable for batch production, and can be also suitable for sublevel butt joint assembly of different models.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a perspective view of a detent latch for rocket stage docking provided in an embodiment of the present application;
fig. 2 is an installation view of a positioning latch for rocket stage docking according to an embodiment of the present application.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1 and 2, the present application provides a positioning latch for rocket sublevel docking, comprising: a fixing base 110, a latch shaft 120 and an elastic member 130;
one section of the fixing base 110 is used for being fixed to the upper end frame of the lower cabin section 210, and the other section of the fixing base 110 is provided with a movable cavity which is concave inwards from the end head and is used for accommodating the elastic component 130 and one end of the bolt shaft 120. Optionally, a section of the fixing base 110 is inserted into a pin hole of the upper end frame of the lower stage section 210 to achieve a fixed connection. Optionally, a diameter of one section of the fixing base 110 is smaller than a diameter of another section of the fixing base 110, so that one section of the fixing base 110 is convenient to be fixedly connected with an upper end frame of the lower stage cabin section 210, and the other section of the fixing base 110 is convenient to accommodate the elastic member 130 and one end of the latch shaft 120. Optionally, a plurality of positioning slots penetrating through the inside and the outside are formed in a side wall of the other section of the fixed seat 110, and the extending direction of the positioning slots is the same as that of the fixed seat 110, so as to limit the plug pin 120 in the circumferential direction and the axial direction. Alternatively, four positioning slots are formed in the side wall of the other section of the fixing seat 110. Still alternatively, the four positioning slots are uniformly distributed on the side wall of the other section of the fixing base 110.
The elastic component 130 is disposed in the movable cavity of the fixed base 110, and is used for giving a certain elastic force to the pin 120. Alternatively, one end of the elastic member 130 is fixed to the bottom of the movable chamber, and the other end of the elastic member 130 is remote from the bottom of the movable chamber, so that the elastic member 130 is stably disposed in the movable chamber. Still alternatively, the elastic member 130 is a spring.
One section of the latch shaft 120 is fixed to the lower end frame of the upper deck section 220, and the other section of the latch shaft 120 is inserted into the movable chamber and its end is in contact with the elastic member 130 in the movable chamber, so that the latch shaft 120 can be protruded outwardly along the movable chamber by the elastic force of the elastic member 130. Optionally, a section of the latch shaft 120 is inserted into a pin hole of the lower end frame of the upper deck section 220 to achieve a fixed connection. Optionally, the side wall of the other section of the latch shaft 120 is provided with a plurality of radially extending limiting pins, and one limiting pin is inserted into one positioning slot hole on the side wall of the fixed seat 110, so that the circumferential rotation of the latch shaft 120 is limited and the axial extending distance of the latch shaft 120 is limited through the cooperation of the limiting pin and the positioning slot hole. Alternatively, the side wall of the other section of the latch shaft 120 has four radially extending limiting pins to mate with the four positioning slots. Alternatively, the four limiting pins are uniformly distributed on the side wall of the other section of the latch shaft 120.
In addition, the side of the latch shaft 120 has a scale, and the extending direction of the scale is the same as the axial direction of the latch shaft 120, so as to measure the distance between the lower end frame of the upper stage cabin 220 and the upper end frame of the lower stage cabin 210, and the pin hole on the lower end frame of the upper stage cabin 220 is aligned with the upper pin hole of the lower end frame of the lower stage cabin 210. To limit the fixed length of the pin shaft 120 to the lower end frame of the upper deck section 220, a ring of positioning wings protruding radially are provided on the sidewall of the pin shaft 120, and the positioning wings are located at a position near the outer side of the middle of the pin shaft 120. Optionally, the scale starts from the positioning wing and extends into the movable cavity of the fixed seat 110. Still alternatively, the sides of the latch shaft 120 may have multiple scales to facilitate viewing the dimensions from different angles. Alternatively, the sides of the latch shaft 120 have four scales. Still alternatively, four scales are uniformly distributed on the side of the latch shaft 120.
When the positioning bolt device for rocket stage butt joint is used, one section of the fixed seat 110 is inserted into the pin hole of the upper end frame of the lower stage cabin section 210, so that the fixed seat 110 is fixedly connected with the upper end frame of the lower stage cabin section 210; when the car-lifting posture of the upper cabin section 220 is adjusted, if the pin shaft 120 is aligned with the pin hole on the lower end frame of the upper cabin section 220, under the elastic force of the elastic component 130, the pin shaft 120 can automatically spring into the pin hole of the lower end frame of the upper cabin section 220, so that the butt joint of the upper cabin section 220 and the lower cabin section 210 is realized. In this process, the distance between the lower end frame of the upper deck section 220 and the upper end frame of the lower deck section 210 and the pin holes on the lower end frame of the upper deck section 220 and the upper pin holes on the lower end frame of the lower deck section 210 can be measured by the scales on the pin shafts 120 for concentric alignment and plugging.
In the butt joint process of the upper cabin section and the lower cabin section, the rough methods such as steel plate ruler measurement and visual observation are abandoned, the positioning bolt device for rocket sublevel butt joint has an automatic telescopic function, the concentric alignment efficiency of the bolt shaft and the pin hole is improved, the bolt shaft of the positioning bolt device for rocket sublevel butt joint is provided with the ruler, the positioning bolt shaft is enabled to have a high-precision distance measurement function, and the synchronous adjustment of the distance between the upper quadrant and the lower quadrant can be guaranteed, so that the positioning bolt device can improve the rocket sublevel butt joint assembly efficiency, reduce the labor intensity, is suitable for batch production, and can be also suitable for sublevel butt joint assembly of different models.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A detent latch for rocket stage docking, comprising: the fixing seat, the pin shaft and the elastic component are inserted;
one section of the fixed seat is used for being fixed on the upper end frame of the lower cabin section, and the other section of the fixed seat is provided with a movable cavity which is inwards concave from the end head;
the elastic component is arranged in the movable cavity of the fixed seat;
one section of the pin shaft is fixed on the lower end frame of the upper cabin section, the other section of the pin shaft is inserted into the movable cavity, and the end part of the pin shaft is contacted with the elastic part in the movable cavity;
the side surface of the bolt shaft is provided with a scale, and the extending direction of the scale is the same as the axial direction of the bolt shaft.
2. A positioning latch for rocket stage docking according to claim 1 wherein a section of the anchor block is inserted into a pin hole of the upper end frame of the lower stage tank section to effect a fixed connection;
one section of the pin shaft is inserted into a pin hole of the lower end frame of the upper cabin section so as to realize fixed connection.
3. A detent latch for rocket stage docking according to claim 1 or 2, wherein one section of the holder has a smaller diameter than the other section of the holder.
4. The positioning latch for rocket stage docking according to claim 1 or 2, wherein a plurality of positioning long holes penetrating inside and outside are formed in the side wall of the other section of the fixed seat, and the extending direction of the positioning long holes is the same as the extending direction of the fixed seat;
the side wall of the other section of the pin shaft is provided with a plurality of radial extending limiting pins, and one limiting pin is inserted into one positioning long hole.
5. The positioning latch for rocket stage docking according to claim 4, wherein four positioning slots are formed in the side wall of the other section of the fixed seat;
the side wall of the other section of the pin shaft is provided with four radial extending limiting pins which are matched with the four positioning long holes.
6. The positioning latch for rocket stage docking according to claim 5, wherein four positioning slots are uniformly distributed on the side wall of the other section of the fixed seat;
the four limiting pins are uniformly distributed on the side wall of the other section of the bolt shaft.
7. A detent latch for rocket stage docking according to claim 1 or 2, wherein one end of the resilient member is fixed to the bottom of the movable chamber and the other end of the resilient member is remote from the bottom of the movable chamber.
8. A detent latch for rocket stage docking according to claim 7, wherein the resilient portion is a spring.
9. A detent latch for rocket stage docking according to claim 1 or 2, wherein the sidewall of the pin has a radially projecting ring of detent wings, and the detent wings are located at positions on the outside of the middle of the pin.
10. A detent latch for rocket stage docking according to claim 9 wherein the scale extends from the detent wing into the movable cavity of the holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322495586.0U CN220689922U (en) | 2023-09-13 | 2023-09-13 | Positioning bolt device for rocket stage butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322495586.0U CN220689922U (en) | 2023-09-13 | 2023-09-13 | Positioning bolt device for rocket stage butt joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689922U true CN220689922U (en) | 2024-03-29 |
Family
ID=90378244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322495586.0U Active CN220689922U (en) | 2023-09-13 | 2023-09-13 | Positioning bolt device for rocket stage butt joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689922U (en) |
-
2023
- 2023-09-13 CN CN202322495586.0U patent/CN220689922U/en active Active
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