Winding transmission system

Abstract

To provide a wrap transmission device which can be imparted with a function by supplying fluid to a wrap mediation node, and is hardly failed.SOLUTION: A sprocket 11 has a flow passage 11d extending toward a peripheral edge part from a center part, a first opening 11e of the center part and a second opening 11f of the peripheral edge part. A wrap intermediary node 12 is wrapped to the sprocket 11, and constitutes an endless track. A first connecting member 16 is arranged at the sprocket 11 in a state that the first connecting member communicates with the second opening 11f, and a second connecting member 17 is arranged at the wrap intermediary node 12. Fluid control means can supply and / or suck fluid through the first opening 11e. When the wrap intermediary node 12 moves by the rotation of the sprocket 11, and the wrap intermediary node 12 and the sprocket 11 enter a range in which they contact with each other, the second connecting member 17 is connected to the first connecting member 16, and when the node and the sprocket come out of the range, the second connecting member 17 releases the connection with the first connecting member 16.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a wrapping transmission device.

Background Art

[0002] Generally, a wrapping transmission device that forms an endless track by wrapping a wrapping medium section such as a chain, belt, rope, or tread plate around a plurality of sprockets is used to convey or move an object together with the wrapping medium section by rotating the sprockets.

[0003] Conventionally, for such a general wrapping transmission device, a device with an added mechanism for supplying fluid has been developed. For example, many devices have been proposed that form an air passage inside the sprocket and are configured to blow off foreign matter clogged in the wrapping medium section with air. However, this device restores the function of the wrapping transmission device and does not add a function to the wrapping transmission device.

[0004] As a device that adds a function to the wrapping transmission device, for example, an endless track traveling device is proposed that forms an endless track by wrapping a plurality of adsorption units connected along a chain around a plurality of sprockets, and supplies compressed air from a single air compressor to each adsorption unit that moves by the rotation of the sprocket, so that the air cylinder and vacuum generator of each adsorption unit are operated to continuously travel while adsorbing and detaching a vacuum chuck from a vertical wall surface (see, for example, Patent Document 1).

[0005] Although not a winding drive system, a cleaning system has been developed that includes a sprocket capable of supplying fluid, comprising one or more radial through-channels extending from the center to the periphery, an inlet for the through-channel provided in the center and connected to a cleaning fluid supply source, and one or more fluid outlets for the through-channels provided on the side, wherein when the sprocket rotates, the fluid supplied through the inlet is dispersed in the form of turbulence around the gap surrounding the sprocket from the fluid outlet through the through-channels, cleaning the inner surface of a tubular granular material conveyor (see, for example, Patent Document 2).

[0006] Furthermore, jamming mechanisms in which rigidity changes depending on the supply or intake of fluid have been developed by the inventors (see, for example, Patent Document 3 or 4). [Prior art documents] [Patent Documents]

[0007] [Patent Document 1] Japanese Patent Application Publication No. 7-277237 [Patent Document 2] Japanese Patent Publication No. 2004-503448 [Patent Document 3] Japanese Patent Publication No. 2019-202376 [Patent Document 4] Japanese Patent Publication No. 2021-160053 [Overview of the project] [Problems that the invention aims to solve]

[0008] The tracked vehicle described in Patent Document 1 can provide a winding transmission device with the function of continuous movement using vacuum suction cups by supplying fluid to the winding mediation link. However, because an annular air supply main pipe for supplying compressed air to each suction unit must be arranged along the chain, which is the winding mediation link, and rotate together with the chain, the structure becomes complex, and there is a problem that malfunctions are likely to occur, such as the annular air supply main pipe, the connecting pipe for supplying compressed air to it, and the chain becoming entangled with each other.

[0009] This invention has been made in view of these problems, and aims to provide a winding drive system that can be given function by supplying fluid to the winding mediation section and is less prone to failure. [Means for solving the problem]

[0010] The inventors realized that if fluid could be supplied to the winding mediation link in a winding transmission device, it would be possible to transmit not only driving force, but also pressure, flow, and the physical and chemical reactions of the fluid itself, thereby providing various functions, and thus arrived at the present invention.

[0011] In other words, the winding transmission device according to the present invention comprises a sprocket having a flow path extending from the center to the periphery, a first opening provided in the center to communicate with the flow path, and a second opening provided in the periphery to communicate with the flow path, a winding mediating link wound around the sprocket to constitute an endless track, a first connecting member having a first through hole and rotatably provided together with the sprocket with the first through hole communicating with the second opening, and a second through hole provided detachably from the first connecting member and communicating with the first through hole when connected to the first connecting member. The device is characterized by having a second connecting member that is movable together with the winding mediating section, and a fluid control means configured to supply and / or draw in fluid through the first opening, wherein the winding mediating section moves due to the rotation of the sprocket, and when the mounting position of the second connecting member enters the range in which the winding mediating section and the sprocket come into contact, the second connecting member connects with the first connecting member, and when the mounting position of the second connecting member moves out of the range in which the winding mediating section and the sprocket come into contact, the second connecting member releases its connection with the first connecting member.

[0012] The winding drive system according to the present invention can supply fluid from the sprocket's flow path to the winding mediating section through the first through-hole of the first connecting member and the second through-hole of the second connecting member, or draw fluid from the winding mediating section, using a fluid control means. By utilizing the action of the supplied fluid and the drawn fluid, various functions can be provided.

[0013] Furthermore, the winding drive system according to the present invention can supply and draw in fluid within the range where the winding mediator and the sprocket are in contact, by utilizing the flow path of the sprocket, thus eliminating the need for pipes for fluid supply and draw in. For this reason, compared to cases where pipes are arranged along the winding mediator, fluid supply and draw in can be performed with a relatively simple structure and is less prone to failure. Moreover, the winding mediator is not limited to the basic shape in which it is linearly stretched between a pair of sprockets, but can also be used in systems with three or more sprockets, or in systems where the winding mediator is laid so as to bend up, down, left, and right, as well as in other cases, allowing for fluid supply and draw in at the sprocket position without complicating the structure.

[0014] In the winding transmission device according to the present invention, it is preferable that the first connecting member is configured such that the first through-hole closes when it is not connected to the second connecting member, and the first through-hole opens when it is connected to the second connecting member. It is also preferable that the second connecting member is configured such that the second through-hole closes when it is not connected to the first connecting member, and the second through-hole opens when it is connected to the first connecting member. In these cases, when the first connecting member and the second connecting member are not connected, it is possible to prevent the fluid supplied and / or drawn in by the fluid control means from leaking from the first through-hole and the second through-hole.

[0015] Furthermore, in the wrap-around transmission device according to the present invention, the wrap-around link can be any material that is wrapped around a sprocket and moves with the rotation of the sprocket, such as a chain, belt, rope, or track plate. The range in which the wrap-around link and the sprocket come into contact is the range along the surface of the wrap-around link, from the position where the wrap-around link begins to contact the sprocket as the wrap-around link moves with the rotation of the sprocket, to the position where the wrap-around link ends to contact the sprocket, along the surface of the wrap-around link, perpendicular to the direction of movement of the wrap-around link. This range may also extend forward and backward along the direction of movement of the wrap-around link, for example, by the width of the spacing between the teeth of the sprocket.

[0016] The winding drive device according to the present invention has a storage chamber capable of storing the fluid, and is configured such that its mechanical properties change between when the fluid is stored in the storage chamber and when the fluid is discharged from the storage chamber, and has a property-changing member attached to the winding mediating link so as to be movable together with the winding mediating link, and the second connecting member may be attached to the winding mediating link with the second through hole communicating with the storage chamber. In this case, the mechanical properties of the winding mediating link, such as rigidity, hardness, strength, elasticity, and flexibility, can be changed by supplying or drawing fluid into the storage chamber of the property-changing member. This makes it possible to provide various functions that take advantage of the change in the mechanical properties of the winding mediating link. The property-changing member consists of, for example, a jamming mechanism configured such that its mechanical properties, such as rigidity and hardness, change by supplying or drawing in fluid.

[0017] In addition to functions that utilize the changes in the mechanical properties of the winding mediation link, the winding transmission device according to the present invention can also be provided with functions such as moving along walls, ceilings, etc., while attaching and detaching suction cups by supplying or sucking fluid to suction cups attached to the winding mediation link, or a handling function that holds an object to be adsorbed and changes its orientation and position.

[0018] In the winding drive device according to the present invention, the flow path consists of a plurality of passages, each extending radially with respect to the rotation center of the sprocket, the first opening and the second opening each consist of a plurality corresponding to each flow path, the first connecting member consists of a plurality corresponding to each flow path and is arranged at intervals along the rotation direction of the sprocket, and the second connecting member consists of a plurality of second connecting members, which may be attached to the winding mediating section at intervals along the direction of movement of the winding mediating section so as to connect with any of the first connecting members when their respective mounting positions enter the range in which the winding mediating section and the sprocket come into contact. In this case, it is particularly preferable that each flow path is provided to extend radially at equal angular intervals with respect to the rotation center of the sprocket, each first connecting member is arranged at equal intervals along the rotation direction of the sprocket, and each second connecting member is attached to the winding mediating section at the same interval as each first connecting member along the direction of movement of the winding mediating section. In these cases, fluid can be supplied to or drawn in from the winding mediating section at a closer interval.

[0019] In the winding drive device according to the present invention, the second opening is provided on the side surface of the sprocket, and the first connecting member is arranged to slide reciprocally along the extension direction of the rotation axis of the sprocket, to the side of the winding mediation link that is wound around the sprocket, and when the winding mediation link moves due to the rotation of the sprocket and the position of the first connecting member enters the range in which the winding mediation link and the sprocket come into contact, the first connecting member slides toward the winding mediation link and is configured to be connectable to the second connecting member, and when the position of the first connecting member moves out of the range in which the winding mediation link and the sprocket come into contact, the first connecting member slides toward the winding mediation link and is configured to be disconnected from the second connecting member. In this case, the connection and disconnection of the first connecting member and the second connecting member can be performed smoothly.

[0020] In the wrapping transmission device according to the present invention, the flow path consists of one or more, the first opening and the second opening each consist of one pair or a plurality of pairs corresponding to the flow path, and the sprocket is such that, with respect to the central plane perpendicular to the rotation axis, the positions of the flow path, each first opening, and each second opening are arranged symmetrically with respect to the plane. The first connecting member consists of one pair or a plurality of pairs corresponding to each second opening and is arranged symmetrically with respect to the central plane. The second connecting member consists of one pair or a plurality of pairs, and it is preferable that at least the mounting position is arranged symmetrically with respect to the central plane within the range where the wrapping intermediate joint and the sprocket are in contact. In this case, the forces generated by the flow of the fluid and the forces generated by the operations of connecting and disconnecting the first connecting member and the second connecting member in each pair are symmetric with respect to the central plane of the sprocket, so these forces can cancel each other out. As a result, it is possible to prevent a moment from occurring on the sprocket and the wrapping intermediate joint when the fluid is supplied or inhaled.

Advantages of the Invention

[0021] According to the present invention, it is possible to provide a wrapping transmission device that can supply fluid to the wrapping intermediate joint to impart a function and is less prone to failure.

Brief Description of the Drawings

[0022] [Figure 1] It is a perspective view showing the wrapping transmission device of the embodiment of the present invention. [Figure 2] It is (a) a plan view, (b) a front view, (c) a cross-sectional view taken along line A-A, (d) a right side view, (e) a perspective view, and (f) a cross-sectional view taken along line B-B showing the sprocket of the wrapping transmission device of the embodiment of the present invention. [Figure 3] It is (a) a plan view, (b) a front view, (c) a cross-sectional view taken along line A-A, (d) a right side view, (e) a perspective view, and (f) a cross-sectional view taken along line B-B showing a modified example of the sprocket of the wrapping transmission device of the embodiment of the present invention.

Modes for Carrying Out the Invention

[0023] Embodiments of the present invention will be described below with reference to the drawings. Figures 1 to 3 show a winding drive device according to an embodiment of the present invention. As shown in Figure 1, the winding transmission device 10 includes a sprocket 11, a winding mediating link 12, a rotational driving means 13, a rotating rail member 14, a rotating support member 15, a first connecting member 16, a second connecting member 17, a characteristic changing member (not shown), and a fluid control means (not shown).

[0024] As shown in Figure 2, the sprocket 11 consists of a spur gear with multiple teeth 11a formed along the circumferential surface of a disc. The sprocket 11 has a shaft insertion hole 11b that penetrates through the center in the thickness direction. The sprocket 11 also has a cylindrical flange portion 11c that surrounds the side of the shaft insertion hole 11b and protrudes to one side.

[0025] The sprocket 11 has a plurality of flow channels 11d formed between its two sides, extending from the shaft insertion hole 11b toward the periphery, and a plurality of first openings 11e and second openings 11f provided corresponding to each flow channel 11d. Each flow channel 11d is provided to extend radially at equal angular intervals with respect to the rotation center of the sprocket 11. Each first opening 11e is provided on the inner wall surface of the shaft insertion hole 11b so as to communicate with each flow channel 11d. Each second opening 11f is provided on the other side surface of the periphery so as to communicate with each flow channel 11d.

[0026] As shown in Figure 1, the winding mediation link 12 is wrapped around the sprocket 11. The winding mediation link 12 is also wrapped around one or more other sprockets (not shown) at a different location from the sprocket 11, forming an endless track. The other sprockets may be sprockets having a flow path 11d, as shown in Figure 2, or they may be sprockets without a flow path 11d, etc. In the specific example shown in Figure 1, the winding mediation link 12 is made of a belt, but it is not limited to a belt; it may be a chain, rope, track plate, or anything else that is wrapped around the sprocket 11 and moves with the rotation of the sprocket 11.

[0027] The rotational drive means 13 includes a shaft 13a inserted into the shaft insertion hole 11b of the sprocket 11, and a drive unit (not shown) provided to rotate the shaft 13a around its central axis. The rotational drive means 13 is configured such that the shaft 13a is fixed to the sprocket 11, and the sprocket 11 can be rotated by rotating the shaft 13a with the drive unit. As a result, the rotational drive means 13 can move the winding median link 12 together with the sprocket 11. In the specific example shown in Figure 1, the winding median link 12 is moved by rotating the sprocket 11, but the winding median link 12 may also be moved by rotating another sprocket.

[0028] The rotating rail member 14 is cylindrical in shape and has a through hole 14a along its central axis. The rotating rail member 14 is positioned on the other side of the sprocket 11, that is, to the side of the winding mediation link 12 that is wrapped around the sprocket 11. The rotating rail member 14 is configured so that the shaft 13a is inserted into the through hole 14a via a bearing and does not rotate together with the shaft 13a. The rotating rail member 14 also has a slide groove 14b on its side that is formed to complete one full turn along the circumferential direction.

[0029] The slide groove 14b is formed such that on the circumferential surface of the sprocket 11, it approaches the sprocket 11 and the winding media 12 on the side where the sprocket 11 is in contact with the winding media 12, and moves away from the sprocket 11 and the winding media 12 on the side where the sprocket 11 is not in contact with the winding media 12. The slide groove 14b is formed to draw a smooth curve along the circumferential direction of the side surface of the rotating rail member 14. In this way, the slide groove 14b constitutes a groove cam.

[0030] The rotation support member 15 is positioned between the winding mediating link 12, which is wrapped around the sprocket 11, and the rotation rail member 14. The rotation support member 15 is fixed to the shaft 13a so as to rotate together with the shaft 13a.

[0031] The first connecting member 16 and the second connecting member 17 are fluid couplings that are detachably attached to each other. The first connecting member 16 has a first through hole (not shown), which is closed when not connected to the second connecting member 17 and open when connected to the second connecting member 17. The second connecting member 17 also has a second through hole 17a that communicates with the first through hole when connected to the first connecting member 16. The second connecting member 17 is configured such that the second through hole 17a is closed when not connected to the first connecting member 16 and open when connected to the first connecting member 16. In a specific example, the first connecting member 16 and the second connecting member 17 are made of commercially available "Cube Couplers (manufactured by Nitto Kohki Co., Ltd.)".

[0032] The first connecting member 16 consists of multiple members corresponding to each flow path 11d and is attached to the rotation support member 15 so as to be rotatable together with the sprocket 11. Each first connecting member 16 is positioned at equal intervals along the rotation direction of the sprocket 11, corresponding to each second opening 11f. Each first connecting member 16 is connected to each other by a tube so that the first through hole and the corresponding second opening 11f are in communication. Each first connecting member 16 is positioned to the side of the winding media 12 in the range where the sprocket 11 is in contact with the winding media 12.

[0033] Each first connecting member 16 is attached to the rotation support member 15 with the side that connects to the second connecting member 17 facing the side of the winding mediation joint 12. Each first connecting member 16 is attached to the rotation support member 15 so as to be able to slide back and forth along the extension direction of the rotation axis of the sprocket 11, i.e., the extension direction of the shaft 13a. Each first connecting member 16 has an insertion portion 16a at the end opposite to the winding mediation joint 12, i.e., the side facing the rotation rail member 14, which is provided so as to be able to be inserted into the slide groove 14b of the rotation rail member 14. With the insertion portion 16a inserted into the slide groove 14b, each first connecting member 16 rotates together with the shaft 13a and the sprocket 11, causing the insertion portion 16a to move along the slide groove 14b and become able to slide back and forth along the extension direction of the shaft 13a. As a result, each first connecting member 16 is configured such that, when rotating, it moves closer to the winding mediating section 12 on the side where the sprocket 11 is in contact with the winding mediating section 12, and moves away from the winding mediating section 12 on the side where the sprocket 11 is not in contact with the winding mediating section 12. The insertion portion 16a may consist of a cam follower so as to move smoothly along the slide groove 14b of the groove cam.

[0034] The second connecting member 17 consists of multiple members and is attached to the winding mediating section 12 so as to be movable together with the winding mediating section 12. Each second connecting member 17 is attached to the winding mediating section 12 at the same intervals along the direction of movement of the winding mediating section 12 as the intervals along the rotational direction of each first connecting member 16. Each second connecting member 17 is attached to the winding mediating section 12 such that the side connecting to the first connecting member 16 faces the first connecting member 16 attached to the rotational support member 15, in the range where the sprocket 11 is in contact with the winding mediating section 12.

[0035] As a result, the winding drive device 10 is configured such that when the winding media 12 moves due to the rotation of the sprocket 11 and the position of each first connecting member 16 enters the range where the sprocket 11 and the winding media 12 come into contact, each first connecting member 16 slides toward the winding media 12 and connects to the second connecting member 17 whose mounting position has entered the range where the winding media 12 and the sprocket 11 come into contact. Furthermore, when the position of each first connecting member 16 moves out of the range where the sprocket 11 and the winding media 12 come into contact, each first connecting member 16 slides toward the winding media 12 and disconnects from the second connecting member 17.

[0036] The property-changing member has a storage chamber capable of containing fluid. The property-changing member is configured such that its mechanical properties change between the time when fluid is stored in the storage chamber and the time when fluid is discharged from the storage chamber. The property-changing member consists of, for example, a jamming mechanism configured such that its mechanical properties, such as rigidity and hardness, change by supplying fluid to the storage chamber or drawing fluid from the storage chamber.

[0037] The property-changing members consist of multiple members corresponding to each second connecting member 17, and each is attached to the winding mediating section 12 so as to be movable together with the winding mediating section 12 in the vicinity of the corresponding second connecting member 17. Each property-changing member is attached to the winding mediating section 12 such that its storage chamber communicates with the second through-hole 17a of the corresponding second connecting member 17. Each property-changing member is, for example, elongated and attached along the surface of the winding mediating section 12 so as to extend perpendicular to the direction of movement of the winding mediating section 12. As a result, each property-changing member can change the rigidity, hardness, etc., of the winding mediating section 12 by, for example, supplying or drawing in fluid, thereby changing the mechanical properties of the winding mediating section 12.

[0038] The fluid control means is connected to each first opening 11e of the sprocket 11 and is configured to supply fluid to the storage chambers of each characteristic changing member through each first opening 11e, each flow path 11d, each second opening 11f, the first through hole, and the second through hole 17a, and to draw fluid from the storage chambers.

[0039] Next, I will explain the mechanism of action. The winding transmission device 10 can supply fluid from the flow path 11d of the sprocket 11 to each characteristic-changing member attached to the winding mediating link 12 through the first through-hole of the first connecting member 16 and the second through-hole 17a of the second connecting member 17, or draw fluid from each characteristic-changing member, using fluid control means. At this time, by utilizing the action of the supplied fluid and the drawn-in fluid, it is possible to change the mechanical properties of the winding mediating link 12, such as its rigidity, hardness, strength, elasticity, and flexibility, and to impart functions that utilize these changes. In addition, for example, by supplying or drawing fluid to a suction cup attached to the winding mediating link 12, it is possible to impart functions such as moving along walls and ceilings while attaching and detaching the suction cup, or a handling function that holds an object to be adsorbed and changes its orientation and position. In this way, the winding transmission device 10 can impart various functions to the winding mediating link 12.

[0040] Furthermore, the winding transmission device 10 can supply and draw in fluid within the range where the winding mediator 12 and the sprocket 11 are in contact, by utilizing the flow path 11d of the sprocket 11, thus eliminating the need for pipes for fluid supply and draw in. For this reason, compared to cases where pipes are arranged along the winding mediator 12, fluid supply and draw in can be performed with a relatively simple structure and is less prone to failure. Moreover, the winding mediator 12 is not limited to the basic shape in which it is linearly stretched between a pair of sprockets 11, but can also be used in configurations with three or more sprockets 11, or in configurations where the winding mediator 12 is laid so as to bend up, down, left, and right, as well as in other configurations, without complicating the structure, and can still supply and draw in fluid at the position of the sprocket 11.

[0041] In the winding drive device 10, when the first connecting member 16 and the second connecting member 17 are not connected to each other, the first through-hole and the second through-hole 17a are closed, thus preventing the fluid supplied and / or drawn in by the fluid control means from leaking from the first through-hole and the second through-hole 17a. Furthermore, the winding drive device 10 allows for smooth connection and disconnection of the first connecting member 16 and the second connecting member 17 simply by moving the winding mediating link 12 with the sprocket 11, thereby sliding each of the first connecting members 16.

[0042] The winding drive system 10 uses a slide groove 14b as a groove cam to convert the rotation of the sprocket 11 into the sliding movement of each first connecting member 16 which is perpendicular to the direction of rotation. However, it is not limited to a groove cam; other cam mechanisms may also be used. In addition, although the sliding direction of each first connecting member 16 is along the extension direction of the rotation axis of the sprocket 11, it may also be configured to slide in a direction along the radial direction of the sprocket 11. In this case, by changing the arrangement of each second connecting member 17 according to the sliding direction of each first connecting member 16, it is possible to connect and disconnect each first connecting member 16 and each second connecting member 17. Furthermore, although the slide groove 14b is formed on the outer surface of the cylindrical rotating rail member 14, a cylindrical rotating rail member may be used and the slide groove 14b may be formed on the inner surface of that rotating rail member.

[0043] As shown in Figure 3, the sprocket 11 has a number of flow channels 11d corresponding to the number of teeth 11a, and each flow channel 11d is arranged radially so as to extend toward the corresponding tooth 11a, and each second opening 11f may be provided at the tip of each tooth 11a. Even in this case, by adjusting the shape and arrangement of the winding mediating link 12 that engages with the sprocket 11, and the arrangement of each first connecting member 16 connected to each second opening 11f, it is possible to configure the system so that fluid can be smoothly supplied to and drawn in from each characteristic changing member attached to the winding mediating link 12.

[0044] Furthermore, in the winding transmission device 10, each flow path 11d, each first opening 11e, and each second opening 11f of the sprocket 11, as well as each first connecting member 16 and second connecting member 17, may be arranged symmetrically with respect to a central plane perpendicular to the rotation axis of the sprocket 11. In this case, the forces generated by the fluid flow and the forces generated by the connection and disconnection of the first connecting member 16 and the second connecting member 17 are symmetrical with respect to the central plane of the sprocket 11, and thus these forces can cancel each other out. This prevents moments from being generated in the sprocket 11 and the winding mediating link 12 when fluid is supplied or drawn in. [Explanation of symbols]

[0045] 10. Winding transmission device 11 sprocket 11a Teeth 11b Shaft insertion hole 11c flange section 11d channel 11e 1st opening 11f 2nd opening 12. Encircling mediation section 13 Rotary drive means 13a shaft 14 Rotating rail member 14a Through hole 14b Slide groove 15 Rotating support member 16. First connecting member 16a Insertion part 17. Second connecting member 17a 2nd through hole

Claims

1. A sprocket having a flow path extending from the center to the periphery, a first opening provided in the center to communicate with the flow path, and a second opening provided in the periphery to communicate with the flow path, A winding mediating section that is wrapped around the sprocket and forms an endless track, A first connecting member having a first through hole, the first through hole communicating with the second opening, and rotatably mounted together with the sprocket, A second connecting member is provided detachably with the first connecting member and has a second through-hole that communicates with the first through-hole when connected to the first connecting member, and is provided movably together with the winding mediating joint, A fluid control means configured to supply and / or draw in fluid through the first opening, It has a storage chamber capable of storing the fluid, and is configured such that its mechanical properties change between when the fluid is stored in the storage chamber and when the fluid is discharged from the storage chamber, and has a property-changing member attached to the winding mediating section so as to be movable together with the winding mediating section, The second connecting member is attached to the winding intermediary section with the second through-hole communicating with the storage chamber. The system is configured such that when the rotation of the sprocket causes the winding mediation link to move and the mounting position of the second connecting member enters the range where the winding mediation link and the sprocket come into contact, the second connecting member connects with the first connecting member, and when the mounting position of the second connecting member moves out of the range where the winding mediation link and the sprocket come into contact, the second connecting member releases its connection with the first connecting member. A distinctive feature is the winding transmission system.

2. The aforementioned flow path consists of multiple sections, each of which is arranged to extend radially with respect to the rotation center of the sprocket. The first opening and the second opening each consist of multiple openings corresponding to each flow path. The first connecting member consists of multiple members corresponding to each flow path, and each is arranged at intervals along the rotational direction of the sprocket. The second connecting member consists of multiple members, and is attached to the winding mediating link at intervals along the direction of movement of the winding mediating link so that when each mounting position enters the range where the winding mediating link and the sprocket come into contact, it connects with one of the first connecting members. The winding transmission device according to claim 1, characterized in that it is a winding transmission device.

3. Each flow path is provided to extend radially at equal angular intervals with respect to the rotation center of the sprocket. Each first connecting member is arranged at equal intervals along the rotational direction of the sprocket. Each second connecting member is attached to the winding mediating joint at the same interval as each first connecting member, along the direction of movement of the winding mediating joint. The winding transmission device according to claim 2, characterized in that it is a winding transmission device.

4. The second opening is provided on the side surface of the sprocket, The first connecting member is positioned to the side of the wrapping mediation link wrapped around the sprocket, so as to be slidable and reciprocable along the extension direction of the rotation axis of the sprocket, The rotation of the sprocket causes the winding mediation link to move, and when the position of the first connecting member enters the range where the winding mediation link and the sprocket come into contact, the first connecting member slides toward the winding mediation link and becomes connectable to the second connecting member. When the position of the first connecting member moves out of the range where the winding mediation link and the sprocket come into contact, the first connecting member slides toward the winding mediation link and becomes disconnectable from the second connecting member. A winding transmission device as described in any one of claims 1 to 3.

5. The aforementioned flow path consists of one or more, The first opening and the second opening each consist of one or more pairs corresponding to the flow path. The sprocket is arranged such that the flow path, each first opening, and each second opening are symmetrically positioned with respect to a central plane perpendicular to the axis of rotation. The first connecting member consists of one or more pairs corresponding to each second opening, and is arranged symmetrically with respect to the central plane. The second connecting member consists of one or more pairs, and at least the mounting positions are arranged symmetrically with respect to the central plane within the range where the winding mediating joint and the sprocket come into contact. A winding transmission device as described in any one of claims 1 to 4.

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