CN210592495U - Sun wing spreading mechanism - Google Patents
Sun wing spreading mechanism Download PDFInfo
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- CN210592495U CN210592495U CN201921702462.2U CN201921702462U CN210592495U CN 210592495 U CN210592495 U CN 210592495U CN 201921702462 U CN201921702462 U CN 201921702462U CN 210592495 U CN210592495 U CN 210592495U
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Abstract
The utility model relates to a space satellite equipment field, concretely relates to sun wing spreading mechanism. A solar wing spreading mechanism comprising: the device comprises a male hinge, a female hinge, a supporting frame, a gear A, a gear B, a locking block A, a locking block B, a torsion spring, a cold welding prevention sleeve, a compression spring, an annular gasket and a damping adjusting nut. The utility model discloses a setting up of compression spring and damping nut produces rotary damping and makes deployment mechanism can not form the instantaneous impact in the expansion process development state is steady. The utility model discloses the two meshing gears that set up can make the expansion of public hinge and female hinge synchronous. The utility model discloses be provided with annular gasket and prevent that cold welding sleeve pipe can effectively prevent that the vacuum cold welding effect from producing between the activity position contact surface. The utility model discloses the pressure handle and the locking piece subassembly that set up can lock when public hinge and female hinge expansion angle are 180 degrees.
Description
Technical Field
The utility model relates to a space satellite equipment field, concretely relates to sun wing spreading mechanism.
Background
The solar wing is a device for collecting solar energy and supplying energy to the space satellite, and is an energy source of the space satellite. The space satellite is limited by a carrying space in a launching state, the solar wings are required to be folded and collected on the side walls of the satellite in a launching stage, and the solar wings of the satellite are unfolded into a plane shape after the satellite is separated from the rocket.
The unfolding mechanism of the satellite solar wing plays an important role in the launching and running processes of the satellite, the unfolding of the solar wing is a very important link for the satellite to enter a real working state, if the solar wing cannot be unfolded, the satellite loses working capacity due to gradual reduction of residual energy of a battery, and the service life of the satellite in orbit flight is further seriously influenced, so that the unfolding mechanism of the satellite solar wing is a key component for ensuring the normal running of the satellite.
The common solar wing spreading mechanisms at present are divided into two types: the active and passive solar wing mechanism is generally used as a repeatable folding and unlocking type solar wing mechanism, is applied to a large satellite more frequently, is driven by a motor generally, but consumes power resources and has a more complex structure.
For the microsatellite, the solar wing is usually unfolded by adopting passive driving, the solar wing is usually driven by a spring, the spring is pre-stressed to store potential energy of the spring during folding, and after the mechanism is unlocked, the spring releases the elastic potential energy to realize unfolding of the mechanism. The spring driving mode has the advantages of relative independence of the system and higher reliability. However, the driving force driven by the spring is not easy to control, and strong collision between adjacent solar wing panels is easily caused at the moment when the stretching is finished, so that the stretching process is uncontrollable, the stability of the locking and releasing process is poor, and the synchronous unfolding is uncontrollable. Meanwhile, the vacuum cold welding effect exists in a vacuum environment, so that the moving part also needs to be provided with a means for preventing the vacuum cold welding.
Therefore, the design of the solar wing spreading mechanism which has the advantages of simple structure, stable spreading and releasing process, synchronous and smooth spreading and capability of preventing the vacuum cold welding effect from being generated is particularly important for the microsatellite.
Disclosure of Invention
Therefore, the utility model discloses just make in view of above problem, the utility model aims to provide a simple structure, it is steady to launch the release process, launches synchronous smooth and easy and have the sun wing that prevents the vacuum cold welding effect and produce and open the mechanism, and this utility model realizes through following technical scheme.
A solar wing spreading mechanism comprising: the device comprises a male hinge, a female hinge, a support frame, a gear A, a gear B, a locking block A, a locking block B, a torsion spring, a cold welding prevention sleeve, a compression spring, an annular gasket and a damping adjusting nut;
the solar wing sun block is characterized in that the male hinge is in an inverted U-shaped plate shape and is made of titanium alloy, the left side of the male hinge is provided with an installation plate on which three through holes are formed for being connected with a solar wing, a limiting groove is formed in a plate-shaped part on the right side of the male hinge, the lower end of the plate-shaped part on the right side of the male hinge is sequentially provided with a cylindrical limiting section A, a flat shaft section A and a threaded section A, and the section of the limiting section A is;
the female hinge is in an inverted U-shaped plate shape and is made of titanium alloy, the right side of the female hinge is provided with an installation plate on which three through holes are formed for being connected with the solar wing, a limiting groove is formed in the left plate-shaped part of the female hinge, the lower end of the left plate-shaped part of the female hinge is sequentially provided with a cylindrical limiting section B, a flat shaft section B and a threaded section B, and the section of the limiting section B is larger than that of the flat shaft section B;
the supporting frame is made of ceramic materials and consists of an upper mounting plate, a lower mounting plate and fixing plates, wherein the upper mounting plate and the lower mounting plate are horizontally arranged from top to bottom, the fixing plates are arranged on two sides of the upper mounting plate and the lower mounting plate, the upper mounting plate is provided with two mounting holes which are distributed left and right, the circle centers of the two mounting holes are on the same straight line, the mounting hole on the left side of the upper mounting plate is coaxial with the mounting hole on the left side of the lower mounting plate, the mounting hole on the right side of the upper mounting plate is coaxial with the mounting hole on the right side of the lower mounting plate, one side of the two mounting holes of the upper mounting plate is provided with a torsion spring mounting section, a locking part sleeve is arranged between the two mounting holes on the bottom surface of the lower mounting plate, the circle center of the section of the locking part sleeve and the circle, a T-shaped pressing handle, a locking part spring and a sealing screw are sequentially arranged at one end, close to a lower mounting plate, in a locking part sleeve, a through hole is formed in the axis direction of the sealing screw, a pressing rod is arranged at the upper part of the T-shaped pressing handle, the pressing rod is positioned in two T-shaped sliding grooves formed in the side wall of the locking part sleeve, two ends of the pressing rod extend to the outer side of the locking part sleeve, an extension rod is arranged at the lower part of the T-shaped pressing handle, one end of the extension rod extends to the outer side of the sealing screw through the through hole formed in the sealing screw, the locking part spring is sleeved on the extension rod;
the flat shaft section A on the male hinge is arranged on the left side of the supporting frame and is positioned in the mounting holes formed in the left sides of the upper mounting plate and the lower mounting plate, the limiting section A is positioned on the top surface of the upper mounting plate, the flat shaft section B on the female hinge is arranged on the right side of the supporting frame and is positioned in the mounting holes formed in the right sides of the upper mounting plate and the lower mounting plate, and the limiting section B is positioned on the top surface of the mounting plate;
the gear A is made of ceramic materials and is sleeved on the flat shaft section A and positioned between the upper mounting plate and the lower mounting plate, and the gear A synchronously rotates along with the flat shaft section A;
the gear B is made of ceramic materials and is sleeved on the flat shaft section B and positioned between the upper mounting plate and the lower mounting plate, and the gear B synchronously rotates along with the flat shaft section B;
the gear A and the gear B are mutually meshed;
the locking block A is sleeved on the flat shaft section A and positioned below the lower mounting plate, a notch is formed in the locking block A, the locking block A synchronously rotates along with the flat shaft section A, and the locking block A is made of a titanium alloy material;
the locking block B is sleeved on the flat shaft section B and positioned below the lower mounting plate, a notch is formed in the locking block B, the locking block B synchronously rotates along with the flat shaft section B, and the locking block B is made of a titanium alloy material;
the torsion spring is made of spring steel, the two ends of the torsion spring are provided with extending parts, a gap is reserved between spring coils of the torsion spring to prevent cold welding, the torsion spring is sleeved on the torsion spring mounting section, and the extending parts at the two ends of the torsion spring are respectively positioned in a limiting groove arranged on the male hinge and a limiting groove arranged on the female hinge to prevent the torsion spring from being unstable;
the two cold welding prevention sleeves are respectively sleeved on the flat shaft section A and the flat shaft section B and are respectively positioned below the locking block A and the locking block B;
the compression springs are made of spring steel, and the two compression springs are respectively sleeved on the two cold welding prevention sleeves;
six annular gaskets are made of polytetrafluoroethylene, wherein two annular gaskets are respectively sleeved on the flat shaft section A and the flat shaft section B and are respectively positioned between the limiting section A and the upper mounting plate and between the limiting section B and the upper mounting plate, and two annular gaskets of four annular gaskets are sleeved on the flat shaft section A and the flat shaft section B in a group and are positioned at two ends of the gear A and the gear B;
the damping adjusting nuts are arranged on the threaded section A and the threaded section B respectively, the lower portions of the damping adjusting nuts are threaded access sections, press-in sections are arranged on the upper portions of the damping adjusting nuts, the damping adjusting nuts are screwed in through the threaded access sections to a certain depth, and the press-in sections are used for forming certain pressure on the compression springs to generate rotary damping so that the torsion springs are stable and slow in the unfolding process and cannot form transient impact when unfolded.
The utility model discloses beneficial effect:
the utility model discloses a sun wing spreading mechanism compact structure occupies that the sun wing surface cloth piece area is little.
The utility model discloses a setting up of compression spring and damping nut produces rotary damping and makes deployment mechanism can not form the instantaneous impact in the expansion process development state is steady.
The utility model discloses the two meshing gears that set up can make the expansion of public hinge and female hinge synchronous.
The utility model discloses be provided with annular gasket and prevent that cold welding sleeve pipe can effectively prevent that the vacuum cold welding effect from producing between the activity position contact surface.
The utility model discloses the pressure handle and the locking piece subassembly that set up can lock when public hinge and female hinge expansion angle are 180 degrees.
Drawings
Fig. 1 is a male hinge pattern.
Fig. 2 is a view of a female hinge.
Fig. 3 is a structural view of the support frame.
Fig. 4 is a structural view of a T-shaped press handle.
Fig. 5 is a front view of the deployment mechanism.
Fig. 6 is an exploded view of the deployment mechanism.
Fig. 7 is a view of a damping adjustment nut.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are easily implemented by those having ordinary skill in the art to which the present invention pertains. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, for the purpose of more clearly describing the present invention, parts not connected with the present invention will be omitted from the drawings.
As shown in fig. 1 to 7, a solar wing spreading mechanism includes: the damping device comprises a male hinge 100, a female hinge 200, a supporting frame 300, a gear A410, a gear B420, a locking block A430, a locking block B440, a torsion spring 500, a cold welding prevention sleeve 600, a compression spring 610, an annular gasket 700 and a damping adjusting nut 800;
as shown in fig. 1, the male hinge 100 is an inverted U-shaped plate made of titanium alloy, the left side of the male hinge 100 is provided with three through holes for connecting with the solar wing, the right plate part of the male hinge 100 is provided with a limit groove, the lower end of the right plate part of the male hinge 100 is sequentially provided with a cylindrical limit section a102, a flat shaft section a103 and a threaded section a104, and the section of the limit section a102 is larger than that of the flat shaft section a 103;
as shown in fig. 2, the female hinge 200 is an inverted U-shaped plate made of titanium alloy, the mounting plate on the right side of the female hinge 200 is provided with three through holes for connecting with the solar wing, the plate part on the left side of the female hinge 200 is provided with a limit groove, the lower end of the plate part on the left side of the female hinge 200 is sequentially provided with a cylindrical limit section B202, a flat shaft section B203 and a threaded section B204, and the cross section of the limit section B202 is larger than that of the flat shaft section B203;
as shown in fig. 3 and 4, the supporting frame 300 is made of ceramic, the supporting frame 300 is composed of an upper mounting plate 301 and a lower mounting plate 302 which are horizontally arranged up and down, and fixing plates which are arranged on both sides of the upper mounting plate 301 and the lower mounting plate 302, the upper mounting plate 301 is provided with two mounting holes which are distributed left and right, the centers of the two mounting holes are on the same straight line, the lower mounting plate 302 is provided with two mounting holes which are distributed left and right, the centers of the two mounting holes are on the same straight line, the left mounting hole of the upper mounting plate 301 is coaxial with the left mounting hole of the lower mounting plate 302, the right mounting hole of the upper mounting plate 301 is coaxial with the right mounting hole of the lower mounting plate 302, one side of the two mounting holes of the upper mounting plate 301 is provided with a torsion spring mounting section 303, a locking portion sleeve 304 is arranged between the two mounting holes on the bottom surface of the lower mounting, two T-shaped sliding grooves are formed in the side wall of the locking portion sleeve 304, a T-shaped pressing handle 900, a locking portion spring 910 and a sealing screw 920 are sequentially arranged at one end, close to the lower mounting plate 302, in the locking portion sleeve 304, a through hole is formed in the axial direction of the sealing screw 920, a pressing rod 901 is arranged at the upper portion of the T-shaped pressing handle 900, the pressing rod 901 is located in the two T-shaped sliding grooves formed in the side wall of the locking portion sleeve 304, two ends of the pressing rod 901 extend to the outer side of the locking portion sleeve 304, an extension rod 902 is arranged at the lower portion of the T-shaped pressing handle 900, one end of the extension rod 902 extends to the outer side of the sealing screw 920 through the through hole formed in the sealing screw 920, the locking portion spring 910 is;
as shown in fig. 1 to 6, the flat shaft section a103 on the male hinge 100 is installed on the left side of the support frame 300 and located in the installation holes arranged on the left sides of the upper installation plate 301 and the lower installation plate 302, the limit section a102 is located on the top surface of the upper installation plate 301, the flat shaft section B203 on the female hinge 200 is installed on the right side of the support frame 300 and located in the installation holes arranged on the right sides of the upper installation plate 301 and the lower installation plate 302, and the limit section B202 is located on the top surface of the installation plate 301;
as shown in fig. 5 and 6, the gear a410 is made of ceramic, the gear a410 is sleeved on the flat shaft section a103 and is located between the upper mounting plate 301 and the lower mounting plate 302, and the gear a410 rotates synchronously with the flat shaft section a 103;
as shown in fig. 5 and 6, the gear B420 is made of ceramic, the gear B420 is sleeved on the flat shaft section B203 and is located between the upper mounting plate 301 and the lower mounting plate 302, and the gear B420 rotates synchronously with the flat shaft section B203;
as shown in fig. 5, the gear a410 and the gear B420 are engaged with each other;
as shown in fig. 5 and 6, the locking block a430 is sleeved on the flat shaft section a103 and located below the lower mounting plate 302, a notch is formed in the locking block a430, the locking block a430 rotates synchronously with the flat shaft section a103, and the locking block a430 is made of a titanium alloy material;
as shown in fig. 5 and 6, the locking block B440 is sleeved on the flat shaft section B203 and located below the lower mounting plate 302, a notch is formed in the locking block B440, the locking block B440 rotates synchronously with the flat shaft section B203, and the locking block B440 is made of a titanium alloy material;
as shown in fig. 5 and 6, the torsion spring 500 is made of spring steel, two ends of the torsion spring 500 are provided with extending portions, a gap is left between coils of the torsion spring 500 to prevent cold welding, the torsion spring 500 is sleeved on the torsion spring mounting section 303, and the extending portions of the two ends of the torsion spring 500 are respectively located in a limiting groove arranged on the male hinge 100 and a limiting groove arranged on the female hinge 200 to prevent the torsion spring 500 from being unstable;
as shown in fig. 5 and 6, the cold welding prevention sleeves 600 are made of polytetrafluoroethylene, two cold welding prevention sleeves 600 are respectively sleeved on the flat shaft section a103 and the flat shaft section B203, and the two cold welding prevention sleeves 600 are respectively located below the locking block a430 and the locking block B440;
as shown in fig. 5 and 6, the compression springs 610 are made of spring steel, and the two compression springs 610 are respectively sleeved on the two cold welding prevention sleeves 600;
as shown in fig. 5, six of the annular spacers 700 are made of teflon, two of the annular spacers 700 are respectively sleeved on the flat shaft section a103 and the flat shaft section B203 and are respectively located between the limiting section a102 and the upper mounting plate 301 and between the limiting section B202 and the upper mounting plate 301, and two of the four annular spacers 700 are respectively sleeved on the flat shaft section a103 and the flat shaft section B203 and are located at two ends of the gear a410 and the gear B420;
as shown in fig. 5, 6 and 7, the number of the damping adjusting nuts 800 is two, the two damping adjusting nuts are respectively installed on the threaded section a104 and the threaded section B204, the lower part of the damping adjusting nut 800 is a threaded access section 801, the upper part of the damping adjusting nut 800 is provided with an press-in section 802, the damping adjusting nut 800 is screwed in the depth through the threaded access section 801, and the press-in section 802 forms a certain pressure on the compression spring 610 to generate rotary damping, so that the torsion spring 500 is unfolded smoothly and slowly without transient impact;
the utility model discloses the theory of operation:
before the installation of the sun wing spreading mechanism, a pressure lever 901 is screwed into the branch sections of two T-shaped chutes arranged at the side wall of the locking part sleeve 304 through an extension rod 902, when the included angle between the male hinge 100 and the female hinge 200 is 0 degree, the pressing rod 901 is screwed out of the bifurcated section of the two T-shaped sliding grooves arranged on the side wall of the locking portion sleeve 304, the pressing rod 901 abuts against the locking block a430 and the locking block B440 under the action of the locking portion spring 910, when the male hinge 100 and the female hinge 200 are unfolded outwards under the action of the torsion spring 500, the gear A410 is meshed with the gear B420, the flat shaft section A103 and the flat shaft section B203 rotate synchronously, the unfolding processes of the male hinge 100 and the female hinge 200 are synchronous, when the expansion angle of the male hinge 100 and the female hinge 200 reaches 180 degrees, the locking block a430 is opposite to the notch arranged on the locking block B440, and two ends of the compression bar 901 synchronously slide into the notches of the locking block a430 and the locking block B440 to complete the locking between the male hinge 100 and the female hinge 200;
according to this embodiment, the maximum deployment angle of the sun-wing deployment mechanism is 180 degrees;
according to the embodiment, the sun wing spreading mechanism is installed between two sun wings;
the foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described above. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (6)
1. A solar wing spreading mechanism comprising: the device comprises a male hinge (100), a female hinge (200), a support frame (300), a gear A (410), a gear B (420), a locking block A (430), a locking block B (440), a torsion spring (500), a cold welding prevention sleeve (600), a compression spring (610) and a damping adjusting nut (800);
the male hinge (100) and the female hinge (200) are hinged on a support frame (300) through a torsion spring (500), and the support frame (300) consists of an upper mounting plate (301) and a lower mounting plate (302) which are horizontally arranged up and down and fixing plates arranged at two sides of the upper mounting plate (301) and the lower mounting plate (302);
the method is characterized in that: the gear A (410) and the gear B (420) are respectively arranged in the supporting frame (300) through the flat shaft section A (103) and the flat shaft section B (203) and are arranged corresponding to the male hinge (100) and the female hinge (200); the number of the cold welding prevention sleeves (600) is two, the two cold welding prevention sleeves are respectively sleeved on the outer sides of the support frames (300) on the flat shaft section A (103) and the flat shaft section B (203), and the locking blocks A (430) and the locking blocks B (440) are respectively sleeved between the two cold welding prevention sleeves (600) and the support frames (300) through the flat shaft section A (103) and the flat shaft section B (203); the two compression springs (610) are respectively sleeved on the two cold welding prevention sleeves (600); the number of the damping adjusting nuts (800) is two, and the damping adjusting nuts are respectively arranged on the threaded section A (104) and the threaded section B (204) at the front ends of the male hinge (100) and the female hinge (200).
2. A solar wing opening mechanism according to claim 1, characterized in that: the bottom surface of the lower mounting plate (302) is provided with a locking part sleeve (304).
3. A solar wing opening mechanism according to claim 2, characterized in that: two T-shaped sliding grooves are formed in the side wall of the locking portion sleeve (304), and a T-shaped pressing handle (900), a locking portion spring (910) and a sealing screw (920) are sequentially arranged at one end, close to the lower mounting plate (302), in the locking portion sleeve (304).
4. A solar wing opening mechanism according to claim 3, characterized in that: the upper part of the T-shaped pressing handle (900) is provided with a pressing rod (901), the pressing rod (901) is positioned in two T-shaped sliding grooves arranged on the side wall of the locking part sleeve (304), and two ends of the pressing rod (901) extend to the outer side of the locking part sleeve (304).
5. A solar wing opening mechanism according to claim 4, characterized in that: the lower part of the T-shaped pressing handle (900) is provided with an extension rod (902), and one end of the extension rod (902) extends to the outer side of the sealing screw (920) through a through hole formed in the sealing screw (920).
6. A solar wing opening mechanism according to claim 5, characterized in that: the locking spring (910) is fitted over the extension rod (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702462.2U CN210592495U (en) | 2019-10-12 | 2019-10-12 | Sun wing spreading mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702462.2U CN210592495U (en) | 2019-10-12 | 2019-10-12 | Sun wing spreading mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210592495U true CN210592495U (en) | 2020-05-22 |
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ID=70690683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702462.2U Active CN210592495U (en) | 2019-10-12 | 2019-10-12 | Sun wing spreading mechanism |
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| CN (1) | CN210592495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060304A (en) * | 2021-03-26 | 2021-07-02 | 上海卫星工程研究所 | T-shaped solar cell array applied to microsatellite |
-
2019
- 2019-10-12 CN CN201921702462.2U patent/CN210592495U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060304A (en) * | 2021-03-26 | 2021-07-02 | 上海卫星工程研究所 | T-shaped solar cell array applied to microsatellite |
| CN113060304B (en) * | 2021-03-26 | 2022-07-22 | 上海卫星工程研究所 | T-shaped solar cell array applied to microsatellite |
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