JP2503678Y2 - Detaching device for space equipment tightening mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a space device fastening mechanism attaching / detaching device for attaching / detaching a space device such as an experimental device to / from a space station.

[Prior Art] When mounting space equipment such as experimental equipment on the space station, the base plate equipped with the space equipment is brought into contact with the space equipment mounting surface of the space station, and the plurality of tightening screws mounted on the base plate are attached to the space station. It is considered that the space equipment is mounted on the space station by being screwed into the female screw hole of the station and tightening a plurality of tightening screws respectively.

[Problems to be Solved by the Invention] However, in the conventional space device fastening mechanism attachment / detachment device, when a plurality of fastening screws are tightened one by one, the base plate may be tilted or bent, resulting in a later It is conceivable that the tightening screws will not fit smoothly into the female screw holes of the Space Station and will not be removable.

The present invention eliminates such conventional drawbacks, and when tightening a plurality of tightening screws attached to a base plate equipped with space equipment one by one, the space plate does not tilt or bend and the space station It is an object of the present invention to provide a device for attaching / detaching a space device tightening mechanism that is in close contact with the space device mounting surface of the device.

[Means for Solving the Problems] The attachment / detachment device for a space device tightening mechanism of the present invention is arranged in a recess formed inside the space device mounting surface of a space station, and has a female screw hole at the center and an outer periphery. A plurality of nut members having a collar, a spring for urging the nut members toward the space equipment mounting surface, a guide pin for guiding the movement of the nut member, and a space equipment mounting surface provided with space equipment. A plurality of tightening screws attached to the abutting base plate and independently rotating and screwed into the nut member, and a plurality of nut members arranged on the space equipment mounting surface of the space station And an outer member penetrating a base plate that is provided with space equipment and abuts on the space equipment mounting surface so as to be retractable, and penetrates an outer member provided at a distance to the base plate, A plurality of independently tightenable tightening screws each having a tightening portion on the outside and a male screw portion screwed to the nut member at a tip end portion penetrating the base plate, and the tightening screws in the direction of the tip end portion. And a spring for urging the spring toward.

[Operation] In the first aspect, the nut member can be displaced with respect to the space equipment mounting surface, and in the second aspect, the tightening screw can be displaced with respect to the base plate. Tightening with the tightening screw can be performed with the mounting surface flat and close.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In FIG. 1, 1 is space equipment such as experimental equipment,
Mounted on a flat base plate 2. A plurality of tightening screws 3 are rotatably attached to the base plate 2, and a male screw portion 4 at the tip of the tightening screw 3 projects from a bottom surface 5 of the base plate 2. A plurality of connectors 6 are provided on the bottom surface 5 of the base plate 2 so that each connector 6 is electrically connected to the space device 1.

A space station 7 is provided with a plurality of recesses 9 centered at the mounting positions of the tightening screws 3 on the space equipment mounting surface 8 on which the above-mentioned base plate 2 is mounted in close contact. A nut member 10 is provided in each recess 9.

A female screw hole 11 is engraved at the center of the nut member 10 so that the center line of the female screw hole 11 and the center line of the tightening screw 3 coincide with each other. Can be screwed into the female screw hole 11 of the nut member 10.

A flange 12 is provided on the outer side surface of the nut member 10, and a plurality of guide pins 13 provided upright from the recess 9 penetrate the flange 12. For this reason, the collar 12 slides along the guide pin 13, the nut member 10 rises in the recess 9 and is displaced toward the space equipment mounting surface 8, or is retracted into the recess 9 and the space equipment. It can be moved away from the mounting surface 8. A plurality of weak springs 14 are provided between the collar 12 and the bottom surface of the recess 9 to urge the nut member 10 toward the space equipment mounting surface 8. Plural connectors 15 are attached to the collar 12 so that they match the mounting positions of the connector 6.
And each connector 15 is electrically connected to a device (not shown) inside the space station 7 by a flexible electric wire 16.

In the apparatus described above, when the robot (not shown) attached to the space station 7 grasps the outside of the base plate 2 and brings the base plate 2 close to the space equipment mounting surface 8 of the space station 7, the base plate 2 is guided to a positioning device (not shown). , The center line of the male screw part 4 coincides with the center line of the female screw hole 11, the center line of the connector 6 coincides with the center line of the connector 15, and the base plate 2 approaches the space equipment mounting surface 8. Each tightening screw 3 presses the nut member 10 into the recess 9. Therefore, the collar 12 slides along the guide pin 13 against the force of the spring 14, and the nut member 10 retracts into the recess 9.

Next, when the plurality of tightening screws 3 are sequentially rotated one by one by a robot (not shown), the male screw portion 4 of the rotated tightening screw 3 is screwed into the female screw hole 11 of the nut member 10, and the tightening screw 3
The nut member 10 is displaced toward the space equipment mounting surface with the rotation of, and the male screw part 4 is deeply screwed into the female screw hole 11 and the connectors 6 and 15 are fitted to each other, and the space device 1 is a space device. It will be electrically connected to a device (not shown) in the station 7.

Since the nut member 10 is floatingly supported by the spring 14, even if the base plate 2 tends to tilt or bend while the tightening screws 3 are sequentially tightened, the nut member 10 is flexibly displaced, The male screw portions 4 of all the tightening screws 3 are smoothly screwed into the female screw holes 11 of the nut member 10, and all the tightening screws 3 are uniformly tightened so that the bottom surface 5 of the base plate 2 is the space equipment mounting surface of the space station 7. 8 can be closely attached.

FIG. 2 shows another embodiment of the present invention.
The parts denoted by the same reference numerals as those in the figure represent the same things.

In FIG. 2, the nut member 17 is fixed to the space equipment mounting surface 8 of the space station 7, and the tightening screw 18 is floatingly attached to the side of the base plate 2 having the space equipment 1.

The tightening screw 18 includes a base plate 2 and an outer member 19 integrally fixed to the base plate 2 with a required space.
Has a tightening portion 20 on the outer side of the outer member 19, and a male screw portion 4 screwed to the nut member 17 at a tip portion 21 penetrating the base plate 2. Further, a spring 23 is provided between the outer member 19 and the flange 22 provided at the intermediate portion in the longitudinal direction of the tightening screw 18. Reference numeral 24 in the figure denotes a stopper when the spring 23 is compressed.

In the above embodiment, as indicated by the solid line in FIG.
Due to the action of the spring 23, the tightening screw 18 is held in a state in which the tip end portion 21 projects from the base plate 2 until the tightening portion 20 contacts the outer member 20. In this state, when the base plate 2 is brought close to the space equipment mounting surface 8 of the space station 7 and the plurality of tightening screws 18 are sequentially rotated one by one by a robot (not shown), the male screw portion 4 of the rotated tightening screw 18 becomes a nut member. Tighten the screw with 17 female screw holes.
With the rotation of 18, the tightening screw 18 is the space equipment mounting surface 8
The male screw portion 4 is deeply screwed into the nut member 17 and the connectors 6 and 15 are fitted to each other so that the space device 1 is electrically connected to a device (not shown) in the space station 7. Will be.

Since the tightening screw 18 is floatingly supported by the spring 23, even if the base plate 2 tends to tilt or bend while the tightening screw 18 is being tightened sequentially,
18 is flexibly displaced, the male threaded portions 4 of all the tightening screws 18 are smoothly screwed into the nut members 17, and all the tightening screws 18 are uniformly tightened so that the bottom surface 5 of the base plate 2 is attached to the space station 7. It can be brought into close contact with the space equipment mounting surface 8.

[Advantages of the Invention] The present invention smoothly and smoothly screws a plurality of tightening screws attached to a base plate equipped with space equipment to nut members on the space station side, and uniformly tightens the base plate. It can be closely attached to the space equipment mounting surface of the space station.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of the present invention, and FIG. 2 is a vertical sectional view of another embodiment. In the figure, 1 is a space device, 2 is a base plate, 3 is a tightening screw, 4 is a male screw part, 7 is a space station, 8 is a space device mounting surface, 10 is a nut member, 14 is a spring, 17 is a nut member, 18 Is a tightening screw, 19 is an outer member, 20 is a tightening portion,
Reference numeral 21 indicates a tip portion, and 23 indicates a spring.

Claims (2)

(57) [Scope of utility model registration request] 1. A plurality of nut members arranged in a recess formed inside a space equipment mounting surface of a space station, having a female screw hole at the center and a flange on the outer circumference, and the nut members being the space. A spring that urges toward the equipment mounting surface, a guide pin that guides the movement of the nut member, and a base plate that is equipped with space equipment and abuts against the space equipment mounting surface, and is independently rotated and screwed into the nut member. An attachment / detachment device for a space device tightening mechanism, comprising: a plurality of tightening screws. 2. A plurality of nut members arranged on a space equipment mounting surface of a space station, and a base plate which is provided with space equipment and which abuts against the space equipment mounting surface are penetrably pierced and provided at intervals on the base plate. A plurality of independently tightenable fasteners having a tightening portion outside the outer member and having a male screw portion screwed into the nut member at a tip end portion penetrating the base plate. An attachment / detachment device for a space device tightening mechanism, comprising: a screw; and a spring for urging the tightening screw toward the tip portion.