CN113336019A

CN113336019A - Reciprocating wire arranging device

Info

Publication number: CN113336019A
Application number: CN202110700552.3A
Authority: CN
Inventors: 刘丙霖; 杨文涛; 韩维光; 施祥玲; 韩梦娜; 张富晶; 郑文智; 岳鹏; 郭玮俊
Original assignee: Shanghai Aerospace Equipments Manufacturer Co Ltd
Current assignee: Shanghai Aerospace Equipments Manufacturer Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-09-03
Anticipated expiration: 2041-06-23
Also published as: CN113336019B

Abstract

The invention provides a reciprocating wire arranging device which comprises a bottom plate, a box body, a wire winding wheel and a guide wheel assembly, wherein the bottom end of the box body and the guide wheel assembly are both arranged on the bottom plate; the reel can move at a first position and a second position along the axis direction of the reel in the rotating process, and meanwhile, an elastic piece in the box body is elastically wound up, wherein the reel can be driven to rotate forwards to wind and discharge a cord and connect one end of the cord, the guide wheel assembly is used for guiding the cord, and the other end of the cord penetrates through the guide wheel assembly; the elastic component can drive the reel to reversely rotate due to elastic winding, so that the cord is wound, the problem of staggered winding when the cord is retracted is solved, subsequent orderly release of the cord is ensured, the battery array is normally unfolded, and the device is simple in structure, high in integration level, low in cost, wide in adaptability and convenient to popularize and use.

Description

Reciprocating wire arranging device

Technical Field

The invention relates to the field of space stations, in particular to a reciprocating wire arranging device.

Background

The flexible solar cell array is a part of the space station, and mainly absorbs light energy through the cell sheets on the cell array so as to convert the light energy into electric energy for the space station to use. The flexible solar cell array is formed by mutually connecting 20-40 cell panels, the unfolding length can reach 10-20 meters, the thickness after folding and furling is only 0.04-0.08 meter, and the flexible solar cell array is far different from a rigid or semi-rigid structure. Therefore, the solar cell array needs the cotton rope to be connected with the cell panel in the unfolding process, the guiding effect is achieved, and the cell panel is enabled to be orderly unfolded according to the preset track.

For a space station, the flexible solar cell array is important, the flexible solar cell array on the rail has frequent unfolding and folding working conditions, and the working conditions need to be fully tested before flying to verify the reliability and stability of the product. The cord is one part of the guide mechanism, one end of the cord is fixed on the upper box body of the battery array, the other end of the cord is fixed on the guide mechanism of the lower box body of the battery array, and the guide mechanism mainly comprises a coil spring, a coil spring shaft, a second shaft body, a bearing and a winding wheel. In the process of unfolding the battery array, one end of the thread rope is pulled out by the upper box body, and the coil spring is stressed and tightened; when the battery array is folded, the upper box body moves back, and the thread rope is driven by the restoring force of the coil spring to be wound in the winding wheel. However, in the process of simulating the unfolding and folding of the battery array on the ground for a plurality of times, the fact that the rope is wound in the winding wheel in a staggered mode with a small probability when being folded is found, and the staggered point is even in the middle layer of the winding layer, so that the rope cannot be normally released from the winding wheel subsequently, and the unfolding function of the battery array is affected.

Patent document CN209242379U discloses an automatic take-up and pay-off device of simple and easy type mooring unmanned aerial vehicle, including the platform base, the winding displacement mechanism fixing base of two sets of symmetries of rear end surface fixedly connected with at the opposite side of reel in the platform base, the reel fixing base of two sets of symmetries of fixedly connected with on the middle-end surface of platform base, the front end of platform base is at one side fixedly connected with step motor of reel on the surface, but this project organization is complicated, and the integrated level is low.

Disclosure of Invention

In view of the defects in the prior art, the invention aims to provide a reciprocating wire arranging device.

The invention provides a reciprocating wire arranging device, which comprises a bottom plate, a box body, a wire winding wheel and a guide wheel assembly;

the bottom end of the box body and the guide wheel assembly are both arranged on the bottom plate, and the reel is rotatably arranged at the top end of the box body;

the reel can move at a first position and a second position along the axial center direction of the reel in the rotating process, and meanwhile, an elastic piece arranged in the box body is elastically wound up, wherein the reel can be driven to rotate in the forward direction for winding and unwinding the cord and connecting one end of the cord, the guide wheel assembly is used for guiding the cord, and the other end of the cord penetrates through the guide wheel assembly;

the elastic piece can drive the reel to rotate reversely due to the elastic winding and then wind the thread rope.

Preferably, the box body is sleeved on the first shaft body through a bearing assembly, a first accommodating space is formed in the box body, the elastic part adopts a coil spring, the coil spring is installed in the first accommodating space, one end of the coil spring is connected with the box body, and the other end of the coil spring is connected with the first shaft body.

Preferably, the reel comprises an axial limiting assembly and a second shaft body, wherein a second accommodating space is formed in the first shaft body, one ends of the axial limiting assembly and the second shaft body are installed in the second accommodating space, the end portion of the axial limiting assembly is tightly installed at the bottom end of the box body, one end of the second shaft body is sleeved on the axial limiting assembly and can slide in the first shaft body along the axial direction, the reel is sleeved at the other end of the second shaft body, and the first shaft body does not allow the second shaft body to rotate relative to the reel.

Preferably, a ball is embedded in an outer wall of one end of the second shaft body, and the second shaft body is in sliding fit with an inner wall of the first shaft body through the ball.

Preferably, the axial limiting assembly comprises a guide block and a reciprocating lead screw;

the inside of second axle body one end sets up the third accommodation space, the one end of guide block is fixed on the inner wall of the second axle body, and the bottom of box body is connected to the one end of reciprocal lead screw, and the other end of reciprocal lead screw extends to in the third accommodation space and the other end of guide block extends to the inside in the lead screw groove that has on the reciprocal lead screw.

Preferably, the balls are uniformly arranged in the circumferential direction of the second shaft body.

Preferably, the number of the balls is greater than or equal to 12.

Preferably, the guide block can rotate 360 degrees around the axis of the reciprocating screw under the guidance of the screw groove.

Preferably, the guide block moves axially along the reciprocating lead screw a distance equal to the width of the take-up slot on the reel.

Preferably, the other end of the guide block is an arc-shaped surface, and the screw rod groove is matched with the arc-shaped surface.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, on the basis that the elastic member restores to drive take-up, the reciprocating screw rod, the guide block and the ball are added, the guide block is connected with the second shaft body and can drive the second shaft body to move up and down on the reciprocating screw rod, the reel is connected with the second shaft body, so that the reel can move up and down, the purpose of tight and multi-layer arrangement of the cord in the take-up process is achieved, the problem of staggered winding of the cord in the take-up process is solved, the subsequent orderly release of the cord is ensured, the normal unfolding of a battery array is ensured, the structure is simple, the integration level is high, the cost is low, the adaptability is wide, and the popularization and the use are convenient.

2. The ball is embedded in the second shaft body, so that the friction force in the up-and-down movement process of the second shaft body is reduced.

3. The thread rope is tightly arranged in the thread winding groove of the winding wheel which reciprocates up and down in a multi-layer and multi-loop mode through the guide wheel, so that the aims of reducing the concentrated tension of the thread rope on a certain small section and uniformly distributing the tension of the thread rope are fulfilled. Not only protects the thread rope, but also ensures the stable unfolding and folding of the battery array.

4. The invention adopts a screw rod mechanical structure, the up-and-down reciprocating process of the wire arrangement and the guide block can be ensured to be synchronous, and the wire arrangement process is ensured to be simple, compact and tidy.

5. The invention has simple principle, can reduce the mutual friction among the ropes and prolong the service time of the ropes while realizing the ordered arrangement of the ropes.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the cartridge and reel, with the balls indicated;

FIG. 3 is a structural schematic of the cartridge and reel cross-section, with the reciprocating lead screw and guide block identified;

fig. 4 is a schematic view of the structure in the direction of a-a in fig. 3.

The figures show that:

second shaft 10 of bottom plate 1

Box body 2 guide block 11

Reel 3 reciprocating screw 12

Guide wheel assembly 4 first accommodation space 13

Second accommodation space 14 for cord 5

Third accommodation space 15 for first bearing 6

Ball 7 second bearing 16

First shaft body 8 take-up groove 17

Coil spring 9

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

The invention provides a reciprocating wire arranging device, as shown in fig. 1, 2, 3 and 4, comprising a base plate 1, a box body 2, a reel 3 and a guide wheel assembly 4, wherein the bottom end of the box body 2 and the guide wheel assembly 4 are both arranged on the base plate 1, the reel 3 is rotatably arranged at the top end of the box body 2, the reel 3 can move at a first position and a second position along the axial center direction of the reel 3 in the rotating process, meanwhile, an elastic member arranged in the box body 2 is elastically wound up, wherein the reel 3 can be driven to rotate forwards for winding and unwinding a wire 5 and connecting one end of the wire 5, the wire 5 can be tightly arranged in a wire winding groove 17 of the reel 3 which reciprocates up and down in a multi-layer and multi-circle mode when the reel 3 rotates, the guide wheel assembly 4 is used for guiding the wire 5, and the other end of the wire 5 passes through the guide wheel assembly 4, the elastic member can drive the reel 3 to rotate reversely due to the elastic winding and then wind the wire 5.

Further, the box body 2 is sleeved on the first shaft body 8 through a bearing assembly, and a first accommodating space 13 is formed inside the box body 2, the elastic element preferably adopts a coil spring 9, the coil spring 9 is installed in the first accommodating space 13, one end of the coil spring is connected with the box body 2, and the other end of the coil spring is connected with the first shaft body 8. In a preferred embodiment, the bearing assembly includes a first bearing 6 and a second bearing 16, the upper and lower ends of the first shaft 8 are respectively mounted on the box 2 through the first bearing 6 and the second bearing 16, and the box 2 can rotate around the first shaft 8.

Specifically, the invention further comprises an axial limiting assembly and a second shaft body 10, wherein a second accommodating space 14 is formed inside the first shaft body 8, one ends of the axial limiting assembly and the second shaft body 10 are both installed in the second accommodating space 14, the end part of the axial limiting assembly is tightly installed at the bottom end of the box body 2, one end of the second shaft body 10 is sleeved on the axial limiting assembly and can slide inside the first shaft body 8 along the axial direction, the reel 3 is sleeved at the other end of the second shaft body 10, and the first shaft body 8 does not allow the second shaft body 10 to rotate relative to itself.

Further, the outer wall of one end of the second shaft 10 is embedded with a ball 7, the second shaft 10 is in sliding fit with the inner wall of the first shaft 8 through the ball 7, so that sliding friction can be reduced, the ball 7 is uniformly arranged along the circumferential direction of the second shaft 10, in a preferred example, as shown in fig. 4, two guide grooves symmetrically arranged along the axial direction are arranged on the inner wall of the first shaft 8, boss structures are respectively arranged on two sides of the second shaft 10, the boss structures are matched with the guide grooves, the ball 7 is embedded into two sides of the boss structures, and the boss structures and the guide grooves can prevent the second shaft 10 from rotating relative to the first shaft 8 on one hand, and can play a role in guiding axial movement of the second shaft 10 on the other hand, so that the precision of matching between the second shaft 10 and the first shaft 8 can be greatly improved.

In practical application, the number of the balls 7 is greater than or equal to 12, and in a preferred example, the number of the balls 7 is 16.

The spacing subassembly of axial includes guide block 11 and reciprocal lead screw 12, the inside of the 10 one end of second shaft body sets up third accommodation space 15, the one end of guide block 11 is fixed on the inner wall of second shaft body 10, the bottom of box body 2 is connected to the one end of reciprocal lead screw 12, the other end of reciprocal lead screw 12 extends to in third accommodation space 15 and the other end of guide block 11 extends to the inside in the lead screw groove that has on the reciprocal lead screw 12, the lead screw groove is the acute angle for the contained angle that has with the axial of reciprocal lead screw 12, preferably is less than 60 degrees, drive first axis body 8 and rotate around the axle center when reel 3 is ordered about the rotation, because the lead screw groove has certain contained angle with the radial direction of reciprocal lead screw 12, consequently, first axis body 8 has certain damping along axial direction's motion, make the motion more steady.

In a preferred embodiment, the other end of the guide block 11 is an arc-shaped surface, the lead screw groove is matched with the arc-shaped surface, and the arc-shaped surface of the guide block 11 further increases the movement stability.

Specifically, the guide block 11 can rotate 360 degrees around the axis of the reciprocating screw 12 under the guidance of the screw groove, and the distance of the guide block 11 moving along the axial direction of the reciprocating screw 12 is equal to the width of the take-up groove 17 on the reel 3. The first position and the second position in the invention respectively correspond to the topmost end and the bottommost end of the guide block 11 which can move in the axial direction of the reciprocating screw 12, and the distance from the first position to the second position is preferably equal to the width of the wire collecting groove 17.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A reciprocating wire arranging device is characterized by comprising a bottom plate (1), a box body (2), a wire winding wheel (3) and a guide wheel assembly (4);

the bottom end of the box body (2) and the guide wheel assembly (4) are both arranged on the bottom plate (1), and the reel (3) is rotatably arranged at the top end of the box body (2);

the reel (3) can move at a first position and a second position along the axial center direction of the reel (3) in the rotating process, and meanwhile, an elastic piece arranged inside the box body (2) is elastically wound up, wherein the reel (3) can be driven to rotate forwards for winding and unwinding the wire rope (5) and connecting one end of the wire rope (5), the guide wheel assembly (4) is used for guiding the wire rope (5), and the other end of the wire rope (5) penetrates through the guide wheel assembly (4);

the elastic piece can drive the reel (3) to rotate reversely due to the elastic winding and then wind the wire rope (5).

2. The reciprocating traverse device as claimed in claim 1, wherein the box body (2) is sleeved on the first shaft body (8) through a bearing assembly and has a first accommodating space (13) inside, the elastic member is a coil spring (9), the coil spring (9) is installed in the first accommodating space (13) and has one end connected with the box body (2) and the other end connected with the first shaft body (8).

3. The reciprocating traverse device of claim 2, further comprising an axial limiting component and a second shaft body (10), wherein the first shaft body (8) is internally provided with a second accommodating space (14), one end of the axial limiting component and one end of the second shaft body (10) are both arranged in the second accommodating space (14), the end part of the axial limiting component is tightly arranged at the bottom end of the box body (2), one end of the second shaft body (10) is sleeved on the axial limiting component and can slide in the axial direction in the first shaft body (8), the reel (3) is sleeved at the other end of the second shaft body (10), and the first shaft body (8) does not allow the second shaft body (10) to rotate relative to itself.

4. The reciprocating traverse device as claimed in claim 3, wherein the outer wall of one end of the second shaft body (10) is embedded with a ball (7), and the second shaft body (10) is in sliding fit with the inner wall of the first shaft body (8) through the ball (7).

5. The reciprocating creeper device of claim 3, wherein the axial limiting assembly includes a guide block (11) and a reciprocating lead screw (12);

the inside of second axle body (10) one end sets up third accommodation space (15), the one end of guide block (11) is fixed on the inner wall of second axle body (10), and the bottom of box body (2) is connected to the one end of reciprocal lead screw (12), and the other end of reciprocal lead screw (12) extends to in third accommodation space (15) and the other end of guide block (11) extends to the inside in the lead screw groove that has on reciprocal lead screw (12).

6. The reciprocating traverse device according to claim 4, wherein the balls (7) are uniformly arranged along the circumference of the second shaft body (10).

7. The reciprocating traversing device according to claim 4, wherein the number of the balls (7) is greater than or equal to 12.

8. The reciprocating traverse device of claim 5, wherein the guide block (11) is guided by the lead screw groove to be rotatable about the axis of the reciprocating lead screw (12) by 360 °.

9. The reciprocating traversing device according to claim 5, wherein the guide block (11) moves axially along the reciprocating lead screw (12) by a distance equal to the width of the take-up slot (17) on the reel (3).

10. The reciprocating traverse device of claim 5, wherein the other end of the guide block (11) is an arc-shaped surface, and the screw groove is matched with the arc-shaped surface.