CN105387064B - A kind of expansion hinge of quick connection separation - Google Patents

Abstract

The invention discloses a quick connection and separation unfolding hinge. The use of the invention can realize the deployment of the solar wing box panels within a certain angle range, and can realize the rapid connection and separation of the solar wing on the track. The invention includes a male hinge assembly, a female hinge assembly and a connection and separation device. When the hinge is unfolded, the driving force stored by the volute spring in the folded state of the hinge is transmitted from the male hinge to the female hinge through the shaft. At the same time, the expansion direction is limited by the flat head screw in the female hinge assembly and the round head screw in the male hinge assembly. ; and use the damper to reduce the impact load at the end of deployment. When the sun wing box panel and the sleeve are in the connected state, the locking swing lever in the connecting and separating device locks the locking pin in the female hinge assembly in the locking pin positioning hole on the connecting and separating base; in the separated state, it is installed in the locking The positioning pin on the swing rod is located at the locking end of the positioning groove of the locking swing rod; the female hinge assembly is separated from the connection and separation device.

Description

A deployment hinge with quick connection and detachment

technical field

The invention relates to the technical field of solar wing box panel deployment and on-rail replacement, in particular to a deployment hinge for quick connection and separation.

Background technique

With the continuous increase of the types of spacecraft, the spacecraft has put forward new requirements for the configuration of the solar wing, the stiffness of the deployment, and the replacement in orbit. The traditional solar wing adopts lock hook type or pin type hinges for deployment and fixation, and its deployment angle is fixed. Since the flexible solar wing box panel used in the present invention has a large volume and many links in the size chain, the accumulation of errors is relatively large. The deployment hinge at the deployment angle cannot eliminate this error, which in turn causes the sunwing to be over-constrained. At the same time, this deployment hinge is fixedly connected to the solar wing and does not have the ability to be replaced on orbit. Once the solar wing fails or reaches the end of its life, it cannot be replaced.

Contents of the invention

In view of this, the present invention provides a deployment hinge for quick connection and separation, which can realize the deployment of the solar wing box panels within a certain angle range, and can realize the rapid connection and separation of the solar wing on-orbit.

The deployment hinge for quick connection and separation of the present invention includes a male hinge assembly, a female hinge assembly and a connection and separation device, and the peripheral equipment is a solar wing sleeve and a solar wing box panel;

Among them, the male hinge assembly includes a male hinge, a round head screw, a shaft, a flat key and a scroll spring; wherein, one end of the male hinge is fixedly installed on the sun wing sleeve, and the other end is installed with a shaft; the inner end of the scroll spring is installed on the On the shaft, the outer end is fixedly installed on the male hinge; the round head screw is installed on the male hinge, and the axis of the round head screw is perpendicular to the axis of the shaft; the flat key is fixedly installed on the shaft;

The female hinge assembly includes a female hinge, a grub screw, a square nut, a spline nut and a locking pin, wherein, one end of the female hinge is fixedly installed with a locking pin, and the other end is provided with a grub screw; the spline nut and the square nut are respectively located on Both ends of the grub screw with the spline nut towards the female hinge;

The connection and separation device includes a locking swing lever, a positioning cone, a torsion spring, a torsion spring shaft, a positioning pin and a connection and separation base; wherein, the connection and separation base is installed on the sun wing box plate, and is provided with a locking pin positioning hole and a locking pin Guide groove; the connecting and separating base is also provided with a locking swing lever positioning groove; the locking swing lever positioning groove is located on the side of the locking pin guide groove, and is perpendicular to the locking pin guiding groove; the torsion spring shaft is fixedly installed on the connecting and separating base ;The lock swing lever is located in the guide groove of the lock pin shaft, one end is sleeved on the torsion spring shaft, and the other end is installed with a positioning pin; the width of the lock swing lever positioning groove gradually changes from top to bottom, and the bottom end is the locking end; In the positioning groove of the pendulum; one end of the torsion spring is fixed on the torsion spring shaft, and the other end is fixed on the locking pendulum;

In the retracted state, the scroll spring is in a compressed state; the outer end of the flat key is connected to the female hinge;

In the unfolded state, the grub screw in the female hinge assembly is coaxial and in contact with the round head screw in the male hinge assembly;

In the connected state, the locking swing lever in the connecting and separating device locks the locking pin in the female hinge assembly in the locking pin positioning hole on the connecting and separating base;

In the separated state, the positioning pin installed on the locking swing rod is located at the locking end of the positioning groove of the locking swing rod; the female hinge assembly is separated from the connection and separation device.

Further, a viscous damper is provided on the upper end surface of the scroll spring, and the shell of the viscous damper is fixedly installed with the male hinge.

Further, there is a gap between the square nut and the grub screw.

Furthermore, a positioning cone is provided on the end surface of the connection and separation base that contacts the female hinge, and a taper hole is provided at the corresponding position of the female hinge.

Further, a boss is provided on the lower end surface of the locking swing rod.

Beneficial effect:

The invention adopts a purely mechanical method to realize the unfolding, fast connection and separation functions of the hinge, and reduces the tension of spacecraft resources caused by the use of motors and other methods; the connection mode of the locking pendulum is adopted, and the pendulum of the locking pendulum is used after locking. The rod curve makes the disengagement force of the locking shaft within the self-locking circle of the locking swing rod, which converts the disengagement force into a self-locking force, providing a reliable rigid connection. The invention has a simple disengagement and locking method, and the astronauts only need to push the new device into the designated position, without using tools to operate, fastening screws and other methods to fix the connection, reducing the difficulty and time of astronauts operating in space, thereby greatly The cost and risk of astronauts' extravehicular activities are reduced.

Description of drawings

Fig. 1 is the front view of the present invention when the solar wings are deployed.

Fig. 2 is an A-A sectional view of the present invention when the solar wings are deployed.

Fig. 3 is a B-B sectional view of the present invention when the solar wings are deployed.

Fig. 4 is a perspective view of the present invention when the solar wings are deployed.

Fig. 5 is a schematic structural diagram of the connection and separation device of the present invention.

Among them, 1-male hinge, 2-spring mounting post, 3-volume spring, 4-damper connection spline, 5-damper mounting flange, 6-female hinge, 7-lock pin, 8-connection separation Base, 9-shaft, 10-spring mounting column screw, 11-flat key, 12-round head screw, 13-flat head screw, 14-square nut, 15-spline nut, 16-right torsion spring, 17-right lock Swing rod, 18-right positioning pin, 19-spacer, 20-left positioning cone, 21-left positioning pin, 22-left locking swing rod, 23-left torsion spring, 24-torsion spring shaft, 25-right positioning cone .

detailed description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present invention provides a deployment hinge for quick connection and separation, as shown in Figure 2, including a male hinge assembly, a female hinge assembly and a connection and separation device, wherein the male hinge assembly is installed on the solar wing sleeve, and the connection and separation device is installed on On the sun wing box panel, the female hinge assembly is installed on the connection and separation device, and the female hinge assembly and the male hinge assembly are installed in cooperation.

As shown in Figure 1, the male hinge assembly consists of a male hinge 1, a spring mounting column 2, a scroll spring 3, a damper connecting spline 4, a damper mounting flange 5, a shaft 9, a spring mounting column screw 10, and a flat key 11 , 12 round head screws. Among them, one end of the male hinge 1 is fixedly installed on the solar wing sleeve, the shaft 9 is vertically installed on the other end of the male hinge 1 through a bearing, the inner end of the scroll spring 3 is installed on the shaft 9, and the outer end is fixedly installed on the spring. On the column 2, the spring mounting column 2 is installed on the male hinge 1 through the spring mounting column screw 10, the damper connecting spline 4 is installed on the shaft 9 above the scroll spring 3, and the viscous damper is installed on the damper connecting spline On the key 4, its shell is installed on the damper mounting flange 5, the round head screw 12 is installed on the male hinge 1, located behind the shaft 9, the axis of the round head screw 12 is perpendicular to the axis of the shaft 9; the flat key 11 It is fixedly installed on the shaft 9, and its outer end is connected with the female hinge 6, and the flat key 11 on the shaft 9 and the female hinge 6 realize the transmission of the hinge driving force. When the hinge is unfolded, the driving force stored by the scroll spring in the folded state of the hinge is transmitted from the male hinge 1 to the female hinge 6 through the shaft 9, driving the hinge to unfold, and the damper is used to reduce the impact load of the hinge at the end of unfolding to avoid excessive impact on the box board damage.

The female hinge assembly is composed of a female hinge 6, flat head screws 13, square nuts 14, spline nuts 15, locking pins 7 and the like. Wherein, one end of the female hinge 6 is installed on the connection and separation device, and the other end is provided with a grub screw 13, and the spline nut 15 and the square nut 14 are respectively located at the two ends of the grub screw 13, and the spline nut 15 faces the female hinge 6, and by tightening The square nut 14 and the spline nut 15 make the grub screw 13 fixed on the female hinge 6 . When the hinge is unfolded, the flat-head screw 13 is coaxial and in contact with the round-head screw 12 in the male hinge assembly, providing a limit in the unfolding direction. By adjusting the gap between the square nut 14 and the flat-head screw 13, the contact angle between the flat-head screw and the round-head screw of the male hinge can be adjusted, that is, the unfolding angle of the unfolding hinge can be adjusted, so that the unfolding angle of the hinge can be within the range of 85° to 95°. The adjustment can be applied to the error in the assembly process of the flexible solar wing; the locking pin shaft 7 is fixedly installed on the female hinge, and cooperates with the locking pin shaft positioning hole of the connecting and separating device.

The connection and separation device consists of left positioning cone 20, left locking fork 22, left torsion spring 23, torsion spring rotating shaft 24, left positioning pin 21, right positioning cone 25, right locking fork 17, right torsion spring 16, right positioning pin 18 , connection and separation of the base 8 and other components. The connection and separation base 8 is installed on the sun wing box plate, and the connection and separation base 8 is provided with a locking pin positioning hole and a locking pin guide groove. Socketed on the torsion spring rotating shaft 24, left and right positioning pins 21,18 are installed on the other end; left and right torsion springs 23,16 one ends are fixed on the torsion spring rotating shaft 24, and the other end is fixed on the left and right locking fork 22 , 17; Gasket 19 is provided between left and right torsion springs 23,16; Torsion spring rotating shaft 24 is fixedly installed on the connection separation base 8; , 16 is in the locked state, that is, the locking pin shaft 7 of the female hinge assembly is stuck in the positioning hole, and the locking pin shaft is separated from the force in the direction of the separation base 8, within the self-locking circle range of the left and right locking swing rods, it will not An accidental disengagement of the connection-detachment device has occurred. The connection and separation base 8 is also provided with two locking swing bar positioning grooves with gradually changing widths. The locking swing bar positioning slots are respectively located on both sides of the locking pin shaft guide groove, and the locking swing bar positioning grooves are perpendicular to the locking pin shaft guide groove. The bottom end is the locking end; one end of the left positioning pin 21 is fixedly connected on the left locking swing rod 22, and the other end is installed in the locking swing rod positioning groove on the left side of the connection and separation base 8; one end of the right positioning pin 18 is fixedly connected on the right locking swing rod. On the bar 17, the other end is installed in the locking fork locating groove that connects the separation base 8 right sides. The left and right positioning pins cooperate with the positioning groove of the locking swing rod. When the positioning pin on the locking swing rod moves to the locking end of the locking swing rod positioning groove, it is automatically locked. The left and right locking swing rods are in the unlocked state, realizing the female hinge assembly. The locking pin shaft 7 is separated from the connection and separation base 8. That is, when the solar wing box panel and the sleeve are required to be separated, the left locking swing link 22 and the right locking swing link 17 are moved to the separation limit position by the tooling (that is, the left positioning pin 21 and the right positioning pin 18 are moved to the locking swing link positioning locking end of the groove). At this moment, the positioning pin on the locking fork will be static in the locking fork positioning groove under the effect of friction force, preventing the fork from swinging back to the locked position under the action of the torsion spring. Astronauts can simply push the old box panels away.

The positioning cones 20, 25 arranged on the end faces of the connection and separation base in contact with the female hinge are matched with the taper holes provided on the corresponding positions of the female hinge, so as to realize the fast, fast and accurate torsion between the connection and separation device and the female hinge. precise positioning.

When replacing, the new box plate is also equipped with a connection and separation device with the same structure. Its left locking fork 22, right locking fork 17 are in unlocked state. When the astronaut pushes the locking pin 7 of the female hinge assembly into the connection and separation device and locks it, the connection and separation device is first positioned to the correct position under the action of the left positioning cone 20 and the right positioning cone 25 . During the push-in process, the locking pin 7 on the female hinge 3 will slide along the slopes of the left locking swing bar 22 and the right locking swing bar 17, pushing the left locking swing bar 22 and the right locking swing bar 17 away from the unlocked position, At this moment, the left positioning pin 21 and the right positioning pin 18 can slide freely in the positioning groove of the locking fork, without friction with the positioning groove of the locking fork. After the locking pin 7 enters the locking pin positioning hole, the left locking fork 22 and the right locking fork 17 have a tendency to turn to the unlocked state under the action of the torsion spring, and the locking pin 7 is stuck in the locking pin for positioning. inside the hole. At this moment, the left lock swing bar 22, the right lock swing bar 17 and the lock pin shaft 7 are in a self-locking state, and the lock pin shaft 7 cannot escape from the connection and separation device. Thereby, the rigid fast connection function of the solar wing box panel is realized.

Wherein, a boss can also be provided at the bottom of the locking swing lever, so that the unlocking of the locking swing lever can be realized quickly and conveniently by using the fulcrum effect by using the pole tooling matched with the shape of the boss.

The hinge unfolding driving element in the present invention is a scroll spring 3, which belongs to a plane scroll spring, and other springs such as cylindrical torsion springs, constant moment springs, etc. can also be used as the unfolding driving element.

To sum up, the above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (5)

1. a kind of expansion hinge of quick connection separation, including：Centre drawer hinge bracket component, centre drawer hinge component and connection separator, its In, centre drawer hinge bracket component includes centre drawer hinge bracket (1), axle (9) and scroll spring (3), wherein, centre drawer hinge bracket (1) one end installation axle (9)；Whirlpool The inner of coil spring (3) is arranged on axle (9), and outer end is fixedly mounted on centre drawer hinge bracket (1), and centre drawer hinge component includes centre drawer hinge (6), during rounding state, scroll spring (3) is compressive state, it is characterised in that ancillary equipment is solar wing sleeve and solar wing Boxboard；

Wherein, centre drawer hinge bracket component includes centre drawer hinge bracket (1), cheese head screw (12), axle (9), flat key (11) and scroll spring (3)；Its In, the other end of centre drawer hinge bracket (1) is fixedly mounted on solar wing sleeve, and cheese head screw (12) is arranged on centre drawer hinge bracket (1), and circle The axis of head screw (12) and the axis perpendicular of axle (9)；Flat key (11) is fixedly mounted on axle (9)；

Centre drawer hinge component also includes flat head screw (13), square nut (14), splined nut (15) and locking bearing pin (7), wherein, it is female One end of hinge (6) is installed with locking bearing pin (7), and the other end is provided with flat head screw (13)；Splined nut (15), square spiral shell Female (14) are located at the both ends of flat head screw (13) respectively, and splined nut (15) is towards centre drawer hinge (6)；

Connecting separator includes locking swing rod, locating cone, torsion spring, torsion spring rotating shaft (24), shop bolt and connection detachable base (8)；Wherein, connect detachable base (8) be arranged on solar wing boxboard on, and provided with locking bearing pin positioning hole and stop pin spindle guide to Groove；Locking swing rod locating slot is additionally provided with connection detachable base (8)；Locking swing rod locating slot is located at the side of stop pin axle guide groove Face, and it is perpendicular with stop pin axle guide groove；Torsion spring rotating shaft is fixedly mounted on connection detachable base (8)；Locking swing rod is located at In stop pin axle guide groove, one end is socketed in torsion spring rotating shaft, other end installation shop bolt；Lock swing rod locating slot by it is upper from Lower width gradual change, its bottom are keyed end；Shop bolt is in locking swing rod locating slot；One end is fixed on torsion spring rotating shaft (24) on, the other end is fixed on locking swing rod；

During rounding state, the outer end of flat key (11) is connected with centre drawer hinge (6)；

During deployed condition, the flat head screw (13) in centre drawer hinge component is coaxial with the cheese head screw (12) in centre drawer hinge bracket component and connects Touch；

During connection status, the locking bearing pin (7) in centre drawer hinge component is locked in connection by the locking swing rod connected in separator In locking bearing pin positioning hole on detachable base (8)；

During released state, the shop bolt on locking swing rod is positioned at the keyed end for locking swing rod locating slot；Centre drawer hinge group Part separates with being connected separator.

2. the expansion hinge of quick connection separation as claimed in claim 1, it is characterised in that the upper surface of scroll spring (3) Viscous damper is provided with, shell and the centre drawer hinge bracket (1) of viscous damper are fixedly mounted.

3. the expansion hinge of quick connection separation as claimed in claim 1, it is characterised in that the square nut (14) and tack Gap be present between (13) in screw.

4. the expansion hinge of quick connection separation as claimed in claim 1, it is characterised in that connection detachable base and centre drawer hinge The end face being in contact is provided with locating cone, and centre drawer hinge correspondence position is provided with taper hole.

5. the expansion hinge of quick connection separation as claimed in claim 1, it is characterised in that the lower surface for locking swing rod is provided with Boss.