CN111288847B - Lower clamp - Google Patents
Lower clamp Download PDFInfo
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- CN111288847B CN111288847B CN202010113691.1A CN202010113691A CN111288847B CN 111288847 B CN111288847 B CN 111288847B CN 202010113691 A CN202010113691 A CN 202010113691A CN 111288847 B CN111288847 B CN 111288847B
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- Prior art keywords
- oil cylinder
- shaft groove
- lug
- base
- connecting lug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
- F41F3/052—Means for securing the rocket in the launching apparatus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Clamps And Clips (AREA)
Abstract
The application discloses a lower clamp, which comprises a base and a clamp mechanism; the base is provided with a connecting hole; the clamp mechanism comprises a connecting shaft and a power device; one end of the connecting shaft is connected with the power device, and the other end of the connecting shaft is used for being connected with a support ring at the tail part of the rocket; and one part of the power device and one part of the connecting shaft are arranged in the connecting hole and are connected with the base through a shaft. The rocket fixing device has the technical effects of simple structure and capability of fixing and adjusting the position of the rocket.
Description
Technical Field
The application relates to the technical field of aerospace, in particular to a lower clamp.
Background
A stopping mechanism is usually arranged between the existing rocket body and the rocket launching device, one end of the stopping mechanism is fixedly arranged on the rocket launching device through welding or bolts, and the other end of the stopping mechanism is abutted against the rocket body so as to fix the rocket body. However, the existing stopping mechanism cannot align the position of the rocket body, the rocket has heavier mass, an additional fixing structure needs to be designed at the position for fixing the rocket, unnecessary structural weight of the rocket body can be increased, and the launching capability of the rocket body is influenced.
Disclosure of Invention
The utility model provides a lower clamp has simple structure, can fix the rocket and position control, need not bear the locking force at the extra structure of the position design of fixed rocket simultaneously, has played and has alleviateed rocket structure weight, improves rocket launch ability's technological effect.
In order to achieve the above object, the present application provides a lower clamp, comprising a base and a clamp mechanism; the base is provided with a connecting hole; the clamp mechanism comprises a connecting shaft and a power device; one end of the connecting shaft is connected with the power device, and the other end of the connecting shaft is used for being connected with a support ring at the tail part of the rocket; and one part of the power device and one part of the connecting shaft are arranged in the connecting hole and are connected with the base through a shaft.
The power device comprises the oil cylinder flange plate, the oil cylinder and the piston rod; the oil cylinder flange plate is provided with an oil cylinder through hole; the oil cylinder is connected with the oil cylinder flange plate through the oil cylinder through hole, and one part of the oil cylinder is exposed out of the outer side surface of the oil cylinder flange plate and the other part of the oil cylinder is exposed out of the inner side surface of the oil cylinder flange plate; the oil cylinder is provided with a first oil pipe and a second oil pipe; the first oil pipe is arranged on the oil cylinder exposed out of the outer side face of the oil cylinder flange plate; the second oil pipe is arranged on the oil cylinder exposed on the inner side surface of the oil cylinder flange plate; the piston rod comprises a piston rod body; one end of the piston rod body is provided with a piston, and the piston is arranged in the oil cylinder and positioned between the first oil pipe and the second oil pipe; the other end of the piston rod body is fixedly connected with the connecting shaft; the inner side surface of the oil cylinder flange plate is attached to the outer side surface of the base, and a part of the oil cylinder exposed out of the inner side surface of the oil cylinder flange plate and a part of the piston rod and the connecting shaft are located in the connecting hole.
As above, the end of the piston rod fixedly connected with the connecting shaft is provided with the clamping member, and the connecting shaft is provided with the clamping portion matched with the clamping member.
As above, wherein the base comprises an upper cover plate and a lower base, the upper cover plate is provided with an upper shaft groove; a lower shaft groove is arranged on the lower base; the upper cover plate is fixedly connected with the lower base, and the upper shaft groove and the lower shaft groove are attached to form a connecting hole.
As above, the upper cover plate includes an upper shaft groove body and a connecting lug, and the upper shaft groove is arranged on the upper shaft groove body; an oil pipe through hole for accommodating a second oil pipe to pass through is formed in the upper shaft groove body; the lower base comprises a lower shaft groove body and a connecting lug; the lower shaft groove is arranged on the lower shaft groove body; the upper cover plate is connected with the lower base through the connecting lug.
As above, wherein the engaging lug is provided with at least one flange bolt coupling hole.
As above, wherein each engaging lug is provided with two flange bolt attachment holes.
The above, wherein the engaging lug of the upper cover plate comprises a first engaging lug and a second engaging lug; the first connecting lug and the second connecting lug are respectively arranged on two opposite sides of the upper shaft groove body; the connecting lugs of the lower base comprise a third connecting lug and a fourth connecting lug; the third connecting lug and the fourth connecting lug are respectively arranged on two opposite sides of the lower shaft groove body; the first connecting lug is fixedly connected with the third connecting lug, and the second connecting lug is fixedly connected with the fourth connecting lug.
As above, the upper cover plate is provided with at least two first clamping flanges, and the first clamping flanges are arranged on two opposite sides of the upper shaft groove; the lower base is provided with at least two first clamping grooves, and the first clamping grooves are arranged on two opposite sides of the lower shaft groove and are matched with the first clamping flanges.
As above, the upper cover plate is provided with at least two second clamping grooves, and the second clamping grooves are arranged on two opposite sides of the upper shaft groove; the lower base is provided with at least two second clamping flanges, and the second clamping flanges are arranged on two opposite sides of the lower shaft groove and are matched with the second clamping grooves.
The beneficial effect that this application realized is as follows:
(1) the lower clamp of the application is simple in structure, can fix the rocket body and is not easy to damage the rocket body.
(2) The lower clamp of the rocket body can adjust the position of the rocket body, and therefore the aligning purpose is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIGS. 1, 2, and 3 are perspective views of an embodiment of a lower jaw;
FIG. 4 is a schematic structural diagram of an embodiment of a power plant;
FIG. 5 is a schematic structural view of one embodiment of a clamping mechanism;
FIG. 6 is a schematic illustration of a portion of the attachment of the lower clamp to the riser and support ring.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, 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.
As shown in fig. 1, 2 and 3, the present application provides a lower clamp 0, which comprises a base 1 and a clamp mechanism 2; the base 1 is provided with a connecting hole 11; the clamping mechanism 2 comprises a connecting shaft 21 and a power device 22; one end of the connecting shaft 21 is connected with the power device 22, and the other end of the connecting shaft is used for being connected with the support ring 3 at the tail part of the rocket, so that the rocket is fixed and pushed to generate displacement along the direction that the power device 22 pushes out or pulls back the connecting shaft 21; a part of the power device 22 and a part of the connecting shaft 21 are arranged in the connecting hole 11 and are connected with the base 1 in a shaft penetrating way. In particular, as shown in fig. 6, the connecting shaft 21 is connected to the support ring 3 through a pin hole 31 on the support ring 3.
Further, as shown in fig. 4 and 5, the power unit 22 includes a cylinder flange 221, a cylinder 222, and a piston rod 223. The oil cylinder flange plate 221 is provided with an oil cylinder through hole 2211; the cylinder 222 is connected to the cylinder flange 221 through the cylinder through hole 2211, and a part of the cylinder 222 is exposed to the outer side of the cylinder flange 221 and a part of the cylinder 222 is exposed to the inner side of the cylinder flange 221. The oil cylinder 222 is provided with a first oil pipe 2221 and a second oil pipe 2222; the first oil pipe 2221 is disposed on the oil cylinder 222 exposed on the outer side surface of the oil cylinder flange 221; the second oil pipe 2222 is provided on the cylinder 222 exposed to the inner side surface of the cylinder flange 221. The piston rod 223 includes a piston rod body; a piston is arranged at one end of the piston rod body, and is arranged inside the oil cylinder 222 and positioned between the first oil pipe 2221 and the second oil pipe 2222; the other end of the piston rod body is fixedly connected with the connecting shaft 21.
Specifically, the inner side surface of the cylinder flange 221 is attached to the outer side surface of the base 1, and a part of the cylinder 222 exposed on the inner side surface of the cylinder flange 221, and a part of the piston rod 223 and the connecting shaft 21 are located in the connecting hole 11. The cylinder flange 221 is used for providing connection between the power unit 22 and the base 1, so as to provide base support, limit the longitudinal movement of the rocket, and serve as a fulcrum for cylinder retraction. When the first oil pipe 2221 takes oil in and the second oil pipe 2222 takes oil out, the piston rod 223 is pushed out in the direction away from the oil cylinder flange 221; when the first oil pipe 2221 discharges oil and the second oil pipe 2222 discharges oil, the piston rod 223 is pulled back in the direction close to the oil cylinder flange 221, so that the connecting shaft 21 is driven to move, the rocket position is adjusted, and the rocket position can be conveniently aligned.
Further, as shown in fig. 4 and 5, a clamping member 2231 is disposed at one end of the piston rod 223 fixedly connected to the connecting shaft 21, and the connecting shaft 21 is provided with a clamping portion adapted to the clamping member 2231.
Specifically, as an embodiment, the clamping member 2231 is a cylindrical oblong with two sides cut off; the connecting shaft 21 is provided with a through hole with the same shape as the clamping piece 2231, and a circular groove is arranged on the inner side of the through hole; the clamping piece 2231 is rotated by 90 degrees by extending the clamping piece 2231 into the circular groove inside the through hole, so that the clamping piece 2231 is clamped into the circular groove and is screwed to fixedly connect the connecting shaft 21 and the piston rod 223. The connection is convenient, and the clamping is stable and is not easy to fall off.
Further, the base 1 comprises an upper cover plate 12 and a lower base 13, wherein the upper cover plate 12 is provided with an upper shaft groove 121; the lower base 13 is provided with a lower shaft groove 131; the upper cover plate 12 is fixedly connected with the lower base 13, and the upper shaft groove 121 and the lower shaft groove 131 are attached to form a connecting hole. Specifically, the end of the lower base 13 away from the lower shaft groove 131 is connected to the erection support 4 of the launch vehicle (as shown in fig. 6).
Further, the upper cover plate 12 includes an upper shaft groove body 122 and a connection lug, and the upper shaft groove 121 is disposed on the upper shaft groove body 122; an oil pipe through hole 1221 for allowing the second oil pipe 2222 to pass through is formed in the upper shaft groove body 122; the lower base 13 includes a lower shaft groove body 132 and a coupling lug; the lower shaft groove 131 is arranged on the lower shaft groove body 132; the upper cover plate 12 and the lower base 13 are connected by connecting lugs.
Further, at least one flange bolt connecting hole 3 is arranged on the connecting lug. Specifically, the specific number of the flange bolt connecting holes 3 is determined according to actual conditions, and two flange bolt connecting holes are preferred in the application.
Further, the coupling lug of the upper cover plate 12 includes a first coupling lug 123 and a second coupling lug 124; the first connecting lug 123 and the second connecting lug 124 are respectively arranged on two opposite sides of the upper shaft groove body 122; the coupling lugs of the lower base 13 include a third coupling lug 133 and a fourth coupling lug 134; the third engaging lug 133 and the fourth engaging lug 134 are respectively disposed on two opposite sides of the lower shaft groove body 132; the first connecting lug 123 is fixedly connected with the third connecting lug 133, and the second connecting lug 124 is fixedly connected with the fourth connecting lug 134.
Specifically, as an embodiment, the flange bolt connecting hole 3 of the first connecting lug 123 corresponds to the flange bolt connecting hole 3 of the third connecting lug 133, and a bolt sequentially passes through the flange bolt connecting hole 3 of the first connecting lug 123 and the flange bolt connecting hole 3 of the third connecting lug 133 to be in threaded connection with a nut, so that the first connecting lug 123 and the third connecting lug 133 are fixedly connected; the flange bolt connecting holes 3 of the second connecting lug 124 correspond to the flange bolt connecting holes 3 of the fourth connecting lug 134, and bolts sequentially penetrate through the flange bolt connecting holes 3 of the second connecting lug 124 and the flange bolt connecting holes 3 of the fourth connecting lug 134 to be in threaded connection with nuts, so that the second connecting lug 124 is fixedly connected with the fourth connecting lug 134.
Further, as shown in fig. 3, as an embodiment, the upper cover plate 12 is provided with at least two first engaging flanges 125, and the first engaging flanges 125 are disposed on two opposite sides of the upper shaft groove 121; the lower base 13 is provided with at least two first engaging grooves 135, and the first engaging grooves 135 are disposed on two opposite sides of the lower shaft groove 131 and are adapted to the first engaging flanges 125. Specifically, when the upper cover plate 12 and the lower base 13 are connected, the first engaging flange 125 is engaged with the first engaging groove 135 and then fixedly connected by the engaging lug, which is beneficial to increasing the stability of connection.
Further, as another embodiment, the upper cover plate 12 is provided with at least two second engaging grooves, and the second engaging grooves are disposed on two opposite sides of the upper shaft groove 121; the lower base 13 is provided with at least two second engaging flanges, which are disposed on two opposite sides of the lower shaft groove 131 and are adapted to the second engaging grooves. Specifically, when the upper cover plate 12 and the lower base 13 are connected, the second clamping flange is clamped into the second clamping groove and then fixedly connected through the connecting lug, and therefore the connection stability is improved.
Further, the lower clamp 0 is used in pairs at the time of application.
The beneficial effect that this application realized is as follows:
(1) the lower clamp of the application is simple in structure, can fix the rocket body and is not easy to damage the rocket body.
(2) The lower clamp of the rocket body can adjust the position of the rocket body, and therefore the aligning purpose is achieved.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the scope of protection of the present application is intended to be interpreted to include the preferred embodiments and all variations and modifications that fall within the scope of the present application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. The lower clamp is characterized by comprising a base and a clamp mechanism; the base is provided with a connecting hole; the clamp mechanism comprises a connecting shaft and a power device; one end of the connecting shaft is connected with the power device, and the other end of the connecting shaft is used for being connected with a support ring at the tail part of the rocket; one part of the power device and one part of the connecting shaft are arranged in the connecting hole and are connected with the base in a penetrating way;
the power device comprises an oil cylinder flange plate, an oil cylinder and a piston rod;
the oil cylinder flange plate is provided with an oil cylinder through hole; the oil cylinder is connected with the oil cylinder flange plate through the oil cylinder through hole, and one part of the oil cylinder is exposed out of the outer side surface of the oil cylinder flange plate and the other part of the oil cylinder is exposed out of the inner side surface of the oil cylinder flange plate;
the oil cylinder is provided with a first oil pipe and a second oil pipe; the first oil pipe is arranged on the oil cylinder exposed out of the outer side surface of the oil cylinder flange plate; the second oil pipe is arranged on the oil cylinder exposed on the inner side face of the oil cylinder flange plate;
the piston rod comprises a piston rod body; a piston is arranged at one end of the piston rod body, is arranged in the oil cylinder and is positioned between the first oil pipe and the second oil pipe; the other end of the piston rod body is fixedly connected with the connecting shaft;
the inner side surface of the oil cylinder flange plate is attached to the outer side surface of the base, and a part of the oil cylinder exposed out of the inner side surface of the oil cylinder flange plate and a part of the piston rod and the connecting shaft are positioned in the connecting hole;
the base comprises an upper cover plate and a lower base, and the upper cover plate is provided with an upper shaft groove; a lower shaft groove is formed in the lower base; the upper cover plate is fixedly connected with the lower base, and the upper shaft groove is attached to the lower shaft groove to form a connecting hole;
the upper cover plate comprises an upper shaft groove body and a connecting lug, and the upper shaft groove is arranged on the upper shaft groove body; an oil pipe through hole for accommodating the second oil pipe to pass through is formed in the upper shaft groove body; the lower base comprises a lower shaft groove body and a connecting lug; the lower shaft groove is arranged on the lower shaft groove body; the upper cover plate is connected with the lower base through a connecting lug.
2. The lower clamp according to claim 1, wherein the piston rod is provided with a clamping member at one end fixedly connected with the connecting shaft, and the connecting shaft is provided with a clamping portion adapted to the clamping member.
3. The lower clamp according to claim 1, wherein the attachment lugs are provided with at least one flange bolt attachment hole.
4. A lower clamp according to claim 3, wherein two flange bolt attachment holes are provided per attachment lug.
5. The lower clamp of claim 3, wherein the attachment lugs of the upper cover plate include a first attachment lug and a second attachment lug; the first connecting lug and the second connecting lug are respectively arranged on two opposite sides of the upper shaft groove body; the connecting lugs of the lower base comprise a third connecting lug and a fourth connecting lug; the third connecting lug and the fourth connecting lug are respectively arranged on two opposite sides of the lower shaft groove body; the first connecting lug is fixedly connected with the third connecting lug, and the second connecting lug is fixedly connected with the fourth connecting lug.
6. The lower clamp according to claim 1 or 5, wherein the upper cover plate is provided with at least two first snap flanges, the first snap flanges being provided on opposite sides of the upper shaft groove; the lower base is provided with at least two first clamping grooves, and the first clamping grooves are arranged on two opposite sides of the lower shaft groove and are matched with the first clamping flanges.
7. The lower clamp according to claim 1 or 5, wherein the upper cover plate is provided with at least two second engaging grooves, the second engaging grooves being provided on opposite sides of the upper shaft groove; the lower base is provided with at least two second clamping flanges, and the second clamping flanges are arranged on two opposite sides of the lower shaft groove and are matched with the second clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113691.1A CN111288847B (en) | 2020-02-24 | 2020-02-24 | Lower clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010113691.1A CN111288847B (en) | 2020-02-24 | 2020-02-24 | Lower clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111288847A CN111288847A (en) | 2020-06-16 |
| CN111288847B true CN111288847B (en) | 2022-04-29 |
Family
ID=71030079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010113691.1A Active CN111288847B (en) | 2020-02-24 | 2020-02-24 | Lower clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111288847B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919778B (en) * | 2022-05-16 | 2024-05-28 | 北京中科宇航技术有限公司 | Carrier rocket support ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139368A (en) * | 1965-05-06 | 1969-01-08 | Sud Aviation | Rapid-release connecting device |
| US3575087A (en) * | 1968-11-18 | 1971-04-13 | Lourdes Ind Inc | Locking cylinder |
| GB1230519A (en) * | 1968-10-24 | 1971-05-05 | ||
| US3937191A (en) * | 1972-02-04 | 1976-02-10 | Estes Industries Inc. | Rocket launcher including remotely releasable pin latch |
| US6286409B1 (en) * | 1998-12-08 | 2001-09-11 | Agency For Defense Development | Apparatus for restraining and releasing missile using rigid sphere |
-
2020
- 2020-02-24 CN CN202010113691.1A patent/CN111288847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139368A (en) * | 1965-05-06 | 1969-01-08 | Sud Aviation | Rapid-release connecting device |
| GB1230519A (en) * | 1968-10-24 | 1971-05-05 | ||
| US3575087A (en) * | 1968-11-18 | 1971-04-13 | Lourdes Ind Inc | Locking cylinder |
| US3937191A (en) * | 1972-02-04 | 1976-02-10 | Estes Industries Inc. | Rocket launcher including remotely releasable pin latch |
| US6286409B1 (en) * | 1998-12-08 | 2001-09-11 | Agency For Defense Development | Apparatus for restraining and releasing missile using rigid sphere |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111288847A (en) | 2020-06-16 |
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