WO2020119033A1

WO2020119033A1 - Double-oar rowing machine

Info

Publication number: WO2020119033A1
Application number: PCT/CN2019/088842
Authority: WO
Inventors: 侯岩卫
Original assignee: 浙江领跑健康科技有限公司
Priority date: 2018-12-11
Filing date: 2019-05-28
Publication date: 2020-06-18

Abstract

A double-oar rowing machine, comprising a main frame (1), left and right rowing bars (21) and (22), left and right reels (31) and (32), left and right pull ropes (41) and (42), a damping mechanism (5), a transmission mechanism (6), and a seat cushion (71); the main frame (1) is provided with a slide rail (11), and the seat cushion (71) is fitted on the slide rail (11) in a slidable manner; the bottom ends of the left and right rowing bars (21) and (22) are pivotally connected to the main frame (1), so that the upper parts of the left and right rowing bars (21) and (22) can rotate around the pivoting points; the left and right reels (31) and (32) are mounted on the front part of the main frame (1) and are connected, in a one-way transmission manner, to the transmission mechanism (6) by means of one-way bearings (72), and the transmission mechanism (6) and the damping mechanism (7) are mounted on the front part of the main frame (1) and in transmission connection with each other; and one end of the left and right pull ropes (41) and (42) is each rotatably connected to the upper part of the left and right rowing bars (21) and (22), and the other end of the left and right pull ropes (41) and (42) is each connected to the left and right reels (31) and (32). The double-oar rowing machine can simulate the double-oar rowing action, and can avoid damage to corresponding components caused by the moment arm effect of the rowing bars, and the manufacturing cost is low.

Description

Double-paddle rowing device

Technical field

The invention relates to the technical field of fitness equipment, in particular to a scull rowing machine.

Background technique

A rowing machine, also called a rowing machine, is a fitness equipment that simulates rowing. It has a good effect on the muscle strengthening of the legs, waist, upper limbs, chest, and back. The prior art rowing device usually includes a main frame, a movement component, a seat cushion and other components. The movement component usually includes a transmission mechanism and a damping mechanism. The exerciser's rowing action drives the damping mechanism to move through the transmission mechanism, and adjusts the damping mechanism. , You can adjust the training intensity of exercisers. The prior art rowing machines mainly include a pull-type rowing machine and a scull rowing machine. As disclosed in the Chinese Patent Announcement No. CN205494889U, the pulling-type rowing machine uses the hands of the exerciser to hold a pull rope Pulling to realize the simulated rowing movement, because the rowing action of the hands of the exerciser is not reflected, there is no sense of experience of simulating rowing. As disclosed in Chinese Patent Publication No. CN105169616A, the double oar rowing device uses the exerciser's hands to hold a rowing rod, and the rowing action of the exerciser's hands drives the rowing rod to rotate, and the double rowing rod drives the transmission The mechanism moves, and the damping mechanism is driven by the transmission mechanism to achieve the purpose of imitating the rowing movement. The rowing rod of this structure usually has a certain length. During the movement, the upper end of the rowing rod is held by the exerciser's hand The lower end of the rod is pivotally connected to a rotation axis, and the paddle moves the pivot axis of the pivot position through the rowing action of the exerciser's hands. Since the length of the stroke is equivalent to the force arm, the exerciser's hand The force of action acts on the pivot joint in the form of a lever, which easily causes damage to the rotating shaft and its components such as bearings, thereby affecting the service life of the rowing machine.

Summary of the invention

In order to solve the technical problems existing in the prior art, the present invention provides a double oar rowing device, through structural improvement, not only can obtain the simulated rowing experience of two-handed oars, but also can avoid the impact caused by the lever arm Corresponding parts are damaged, which has the characteristics of low production cost and good effect of simulating rowing action.

The technical solution adopted by the present invention to solve the above technical problems is to provide a double-propeller rowing machine, which includes a main frame, left and right rowing bars, left and right wire take-ups, left and right drawstrings, damping mechanism, transmission mechanism and Seat cushion; the main frame is provided with a slide rail, and the seat cushion is slidingly matched on the slide rail; the bottom ends of the left and right stroke bars are respectively pivotally connected to the main frame to make the left and right stroke bars The upper part of can be rotated around the pivot joint; the left and right take-ups are respectively installed at the front of the main frame and are respectively connected to the transmission mechanism through a one-way bearing, and the transmission mechanism and the damper The mechanisms are respectively installed at the front of the main frame and are connected by driving; each end of the left and right drawstrings is rotatably connected to the upper part of the left and right drawbars, and the other ends of the left and right drawstrings are respectively Connect to the left and right take-up devices.

As a preferred solution of the present invention, the rowing device further includes a tie rod, a center retractor and a center drawstring, the center retractor is installed at the front of the main frame and is located at the left Between the right winder, the middle winder is also connected to the transmission mechanism by a one-way bearing, and one end of the middle cable is connected to the middle rod, the middle cable The other end of the cable is connected to the central retractor.

As a preferred solution of the present invention, one or more transmission pulleys are also provided between the upper portions of the left and right strokers and the corresponding left and right retractors, and the one or more transmission pulleys are respectively installed in the On the main frame; the pull rope bypasses the one or more transmission pulleys.

As a preferred solution of the present invention, the upper part of the left and right strokes is provided with a coupling seat that is convenient for connecting the cable fixing sleeve, and one end of the left and right cable is respectively connected to the left and right through the cable fixing sleeve On the corresponding coupling seats of the right drawbar, one end of the left and right drawstrings and the upper parts of the left and right drawbars are respectively rotatable and universally connected.

As a preferred solution of the present invention, the front part of the main frame is provided with a center shaft, and the bottom ends of the left and right stroke bars are pivotally connected to the left and right ends of the center shaft through a center joint, respectively.

As a preferred solution of the present invention, the middle joint includes a shaft sleeve and a bearing, the shaft sleeve is fixed to the bottom end of the scribe bar, and the shaft sleeve is coupled to the middle shaft through a bearing.

As a preferred solution of the present invention, the damping mechanism is a magnetron inertia wheel or a magnetron resistance wheel or a vane resistance wheel or a friction resistance wheel or a water resistance wheel, the transmission mechanism includes a fixed shaft and a belt pulley, and the fixed The shaft is mounted on the front of the main frame, the belt reel is provided with a first shaft sleeve, and the belt reel is rotatably sleeved on the fixed shaft through the first shaft sleeve; the left and right The winder is respectively mounted on the fixed shaft through bearings so that the left and right winders can rotate bidirectionally relative to the fixed shaft, and the left and right winders are located on both sides of the belt pulley. The retractor is connected to the first bushing of the belt reel through the one-way bearing; the belt reel is connected to the magnetron inertia wheel or magnetron resistance wheel or fan resistance wheel or friction through the belt Resistance wheel drive connection.

As a preferred solution of the present invention, the left and right winders respectively include a webbing wheel, webbing wheel cover and scroll spring; the webbing wheel is mounted on the fixed shaft through the bearing to achieve bidirectional relative to the fixed shaft Rotate, the scroll spring is installed in the webbing wheel, the webbing wheel cover is fixed on the webbing wheel and surrounds the scroll spring; the webbing wheel is provided with a mounting groove, the left And the right drawstring are installed in the installation grooves of the left and right webbing wheels, respectively.

As a preferred solution of the present invention, the webbing pulley is provided with a second bushing, and the first bushing of the belt pulley is installed in the second bushing of the webbing pulley through the one-way bearing; the left The right winder also includes a large PC board and a small PC board, the large PC board and the small PC board are located on both sides of the spiral spring, and the large PC board is close to the webbing wheel cover side.

As a preferred solution of the present invention, the damping mechanism is a water resistance wheel, the transmission mechanism includes a rotating shaft, the rotating shaft is rotatably mounted on the front of the main frame, and the left and right take-ups The bearings are respectively mounted on the rotating shaft so that the left and right take-up retractors can rotate bidirectionally with respect to the rotating shaft, and the left and right take-up retractors are connected to the rotating shaft through the one-way bearing and the one-way transmission ; The rotating shaft and the water resistance wheel drive coupling.

Using the above technical solution, compared with the prior art, the beneficial effects achieved by the present invention are:

The invention adopts the main frame, the left and right drawbars, the left and right take-up devices, the left and right drawstrings, the damping mechanism, the transmission mechanism and the seat cushion to form a double-propeller rowing machine; and the main frame is provided with a slide rail and a seat The pad slidingly fits on the slide rail; the bottom ends of the left and right strokes are pivotally connected to the main frame, respectively, so that the upper parts of the left and right strokes can rotate around the pivot joint; Installed in the front of the main frame and connected to the transmission mechanism through a one-way bearing, the transmission mechanism and the damping mechanism are respectively installed in the front of the main frame and connected to the transmission; Each end is rotatably connected with the upper part of the left and right drawbars, and the other ends of the left and right draw cords are respectively connected to the left and right take-up devices. The structure of the present invention uses the upper part of the rowing rod to pull the transmission mechanism through the rope, which can not only obtain the simulated rowing experience of two-handed rowing, but also avoid the damage of the corresponding parts caused by the action of the arm of the rowing rod. It has the characteristics of low production cost and good effect of simulating rowing action.

BRIEF DESCRIPTION

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

2 is a schematic diagram of a partial structure of the first embodiment of the present invention;

3 is a schematic view of a partial structure of the first embodiment of the present invention (rotate an angle);

4 is a schematic diagram of the cooperation of the left and right take-up reel with the fixed shaft and belt pulley in the first embodiment of the present invention;

5 is an exploded schematic view of the assembly of the left and right take-up reel, the fixed shaft and the belt pulley according to the first embodiment of the present invention;

6 is a schematic diagram of cooperation between the left and right stroke bars and the main frame according to the first embodiment of the present invention;

7 is an exploded schematic view of the assembly of the right drawstring and the right drawbar of the first embodiment of the present invention;

8 is an exploded schematic view of the structure of the left take-up device of the first embodiment of the present invention;

9 is a schematic structural view of Embodiment 2 of the present invention;

10 is an exploded schematic view of the structure of the second embodiment of the present invention;

FIG. 11 is a schematic diagram of the cooperation between the left and right winders and the rotating shaft of the second embodiment of the present invention;

12 is an exploded schematic view of the assembly of the left and right winder and the rotating shaft of the second embodiment of the present invention;

13 is a schematic structural view of Embodiment 3 of the present invention.

detailed description

The technical solution of the present invention will be described in detail below with reference to the drawings and embodiments.

Example one

As shown in FIGS. 1 to 8, a scull rowing machine of the present invention includes a main frame 1, left and

right row bars

21, 22, left and right wire take-

ups

31, 32, left and

right draw cords

41, 42. Damping mechanism 5, transmission mechanism 6 and seat cushion 71; the main frame 1 is provided with a slide rail 11, the seat cushion 71 is slidingly fitted on the slide rail 11; the left and

right stroke bars

21, 22 The bottom ends of each are pivotally connected to the main frame 1 respectively so that the upper portions of the left and

right stroke bars

21 and 22 can rotate around the pivot joint; the left and right take-

ups

31 and 32 are respectively mounted on the main frame The front part of 1 is connected to the transmission mechanism 6 through a one-way bearing 72, and the transmission mechanism 6 and the damping mechanism 5 are respectively installed at the front of the main frame 1 and connected to the transmission; the left pull One end of the rope 41 is rotatably connected to the upper part of the left draw bar 21, and the other end of the left draw cord 41 is connected to the left retractor 31; one end of the right draw cord 42 is connected to the right draw bar The upper part of 22 is rotatably coupled, and the other end of the right cable 42 is connected to the right retractor 32. The function of the retractor is that when the drawstring is pulled outward, the retractor rotates in one direction. When the external tension of the drawstring is removed, the retractor recovers the drawstring and the retractor rotates in the opposite direction.

In this embodiment, two transmission pulleys 73 are also provided between the upper part of the left drawbar 21 and the left winder 31, and two transmission wheels 73 are also provided between the upper part of the right drawbar 22 and the right winder 32 Moving pulley 73; each driving pulley 73 is installed on the main frame 1; of the two driving pulleys 73 between the upper part of the left stroke 21 and the left winder 31, one is installed in the upper part, the other is installed in the lower part and close The left winder 31, the two transmission pulleys 73 between the upper part of the right draw bar 22 and the right winder 32 are similarly installed; the left cable 41 bypasses the upper part of the left draw bar 21 and the left winder 31 The two transmission pulleys 73, the right cable 42 bypasses the two transmission pulleys 73 between the upper portion of the right draw bar 22 and the right winder 32.

In this embodiment, the upper part of the left and right strokes is provided with a coupling seat that is convenient for connecting the fixing sleeve of the pull rope. The coupling seat is U-shaped, and one end of the left and right pull ropes are fixedly sleeved on the On the corresponding coupling seats of the left and right strokes, specifically in the U-shaped mouth of the U-shaped part, the one end of the left and right drawstrings and the upper part of the left and right strokes are respectively rotatable universals Connected, taking the cooperation of the right drawbar 22 and the right drawstring 42 as an example, the upper part of the right drawbar 22 is provided with a U-shaped member 74, and one end of the right drawstring 42 is mounted on the right drawbar 22 through a fixing sleeve 75 In the U-shaped opening of the U-shaped member 74, one end of the right cable 42 and the upper portion of the right draw bar 22 are rotatably and universally connected.

In this embodiment, the front portion of the main frame 1 is provided with a center shaft 12, and the bottom ends of the left and

right stroke bars

21 and 22 are pivotally connected to the left and right ends of the center shaft 12 through a center joint 76, respectively.

In this embodiment, the middle joint 76 includes a sleeve 761 and a bearing 762, the sleeve 761 is fixed to the bottom end of the scribe bar, and the sleeve 761 is coupled to the middle shaft 12 via a bearing 762.

In this embodiment, the damping mechanism 5 may be a magnetron inertia wheel or a magnetron resistance wheel or a vane resistance wheel or a friction resistance wheel. The transmission mechanism 6 includes a fixed shaft 61 and a belt pulley 62. The fixed shaft 61 Mounted on the front of the main frame 1, the belt pulley 62 is provided with a first sleeve 621, and the belt pulley 62 is rotatably sleeved on the fixed shaft 61 through the first sleeve 621; The left and right wire take-

ups

31 and 32 are respectively mounted on the fixed shaft 61 through bearings 77 so that the left and right wire take-

ups

31 and 32 can rotate bidirectionally with respect to the fixed shaft 61 respectively, and the left and right wire take-ups The

gears

31 and 32 are located on both sides of the belt reel 62, and the left and right take-

ups

31 and 32 are connected to the first sleeve 621 of the belt reel 62 through the one-way bearing 72 in a one-way drive; The belt pulley 62 is drive-coupled with the damping mechanism 5 (which may be a magnetron inertia wheel or a magnetron resistance wheel or a fan blade resistance wheel or a friction resistance wheel) through a belt 78.

In this embodiment, the left and right take-up retractors are double-pulled coil spring take-up retractors, which include a webbing wheel, webbing wheel cover, and scroll spring; take the left webbing taker 31 as an example (see FIG. 8), The left winder 31 includes a webbing wheel 311, a webbing wheel cover 312, and a scroll spring 313. The webbing wheel 311 is mounted on the fixed shaft 61 through the bearing 77 to achieve bidirectional rotation relative to the fixed shaft 61. The coil spring 313 is installed in the webbing wheel 311. The webbing wheel cover 312 is fixed on the webbing wheel 311 and surrounds the scroll spring 313. The webbing wheel 311 is provided with a mounting groove 3111. The left pull cord 41 is installed in the installation groove 3111 of the left webbing pulley 311.

In this embodiment, the webbing pulley 311 is provided with a second bushing 3112, and the first bushing 621 of the belt pulley 62 is installed in the second bushing 3112 of the webbing pulley 311 through the one-way bearing 72 The left wire retractor 31 also includes a large PC board 314 and a small PC board 315, the large PC board 314 and the small PC board 315 are on both sides of the scroll spring 313, and the large PC board 314 is close to the side of the webbing wheel cover 312.

The damping mechanism 5 of this embodiment is a magnetron inertia wheel.

The structure of this embodiment can also be applied to water resistance rowers or wind resistance rowers. When it is realized, the belt pulley is rotated to drive another shaft to rotate through the belt, and the other shaft is connected to the water of the water resistance rower The wind blades of the drag wheel or wind resistance rower are linked, so that the water resistance or wind resistance can be realized to provide resistance.

Example 2

Referring to FIGS. 9-12, a twin-paddle rower of the present invention differs from Embodiment 1 in that the damping mechanism is a water-blocking wheel 8, and the transmission mechanism 6 includes a rotating shaft 63. The rotating shaft 63 is rotatably mounted on the front of the main frame 1, and the rotating shafts 63 are distributed in the front-rear direction. The left and right take-

ups

31 and 32 are mounted on the rotating shaft 63 through bearings 81 to The left and right take-up

retractors

31 and 32 can be rotated bidirectionally with respect to the rotating shaft 63, and the left and right take-up

retractors

31 and 32 are also connected to the one-way transmission of the rotating shaft 63 through the one-way bearing 72 Since the rotating shaft 63 is distributed in the front-rear direction, the left and right wire take-

ups

31, 32 should actually be front and rear wire take-ups; the rotating shaft 63 is drivingly connected to the water resistance wheel 8.

The structure of this embodiment can also be applied to a magnetron inertia wheel or a magnetron resistance wheel or a vane resistance wheel or a friction resistance wheel. When it is realized, the rotating shaft and the magnetron inertia wheel or the magnetron resistance wheel or the wind are used The blade resistance wheel or the friction resistance wheel are linked, so that the magnetron inertia wheel or the magnetron resistance wheel or the fan blade resistance wheel or the friction resistance wheel can be provided to provide resistance.

Example Three

Referring to FIG. 13, a twin-paddle rowing device of the present invention is different from the first embodiment in that the rowing device further includes a tie rod 91, a center retractor 92, and a center pull cord 93. The retractor 92 is installed at the front of the main frame 1 and is between the left retractor 31 and the right retractor 32. The central retractor 92 also communicates with the transmission mechanism through a one-way bearing 6 One-way transmission is connected, one end of the middle cable 93 is connected to the middle rod 91, and the other end of the middle cable 93 is connected to the middle retractor 92.

The double-paddle rowing device of this embodiment can simulate both paddle-type rowing motion and traction-type rowing motion.

The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or to modify into equivalent equivalent embodiments . Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention should fall within the protection scope of the technical solution of the present invention.

Industrial applicability

The invention provides a double-paddle rowing device. When the operator moves through the left and right rowing rods, the left and right rowing rods drive the wire retractor to rotate in the same direction through the pulling rope, and drive the damping mechanism through the wire retractor. Thereby simulating rowing movement. The present invention is industrially easy to implement, and various components such as the main frame, left and right drawbars, left and right wire take-ups, left and right drawstrings, damping mechanism, transmission mechanism and seat cushion are also easy to process in industry.

Claims

A double-paddle rowing machine is characterized by comprising a main frame, left and right rowing rods (21), (22), left and right wire take-ups (31), (32), left and right drawstrings (41) , (42), damping mechanism (5), transmission mechanism (6) and seat cushion (71); the main frame (1) is provided with a slide rail (11), the seat cushion (71) slidingly fits in the On the slide rail (11); the bottom ends of the left and right strokes (21), (22) are pivotally connected to the main frame (1) to make the left and right strokes (21), (22) The upper part of can be rotated around the pivot joint; the left and right take-up retractors (31), (32) are respectively installed at the front of the main frame (1) and are connected to the transmission through a one-way bearing (72) respectively The mechanism (6) is connected with a one-way transmission, the transmission mechanism (6) and the damping mechanism (5) are respectively installed at the front of the main frame (1) and are connected for transmission; the left and right pull cords (41), Each end of (42) is rotatably connected to the upper part of the left and right strokes (21), (22), respectively, and the other ends of the left and right drawstrings (41), (42) are connected to the left and right, respectively. Right winder (31), (32).
The scull rowing device according to claim 1, characterized in that the rowing device further comprises a tie rod (91), a center retractor (92), and a center pull rope (93), the center retractor The winder (92) is installed at the front of the main frame (1) and is between the left winder (31) and the right winder (32). The middle winder (92) also passes A one-way bearing is coupled to the transmission mechanism (6) for one-way transmission, one end of the middle cable (93) is connected to the middle rod (91), and the other end of the middle cable (93) is connected To the central take-up device (92).
The scull rowing machine according to claim 1 or 2, characterized in that: the upper parts of the left and right rowing rods (21), (22) and the corresponding left and right winder (31), (32) There are also one or more driving pulleys (73) between them, the one or more driving pulleys (73) are respectively mounted on the main frame (1); the pulling rope bypasses the one or more Drive pulley (73).
The scull rowing machine according to claim 1 or 2, characterized in that: the upper part of the left and right rowing rods (21), (22) is provided with a coupling seat which is convenient for connecting the fixing sleeve of the pull rope, and the left, One end of the right pull cords (41) and (42) are respectively connected to the corresponding coupling seats of the left and right stroke bars (21) and (22) through the pull cord fixing sleeves, so that the left and right pull cords (41) ), (42) one end and the upper part of the left and right strokes (21), (22) are respectively rotatable universal connection.
The scull rowing machine according to claim 1 or 2, characterized in that: the front part of the main frame (1) is provided with a central shaft (12), and the left and right rowing bars (21), (22) The bottom ends of are pivotally connected to the left and right ends of the middle shaft (12) through a middle joint (76).
The scull rowing machine according to claim 5, characterized in that the middle joint (76) includes a sleeve (761) and a bearing (762), and the sleeve (761) is fixed to the bottom of the rowing rod At the end, the sleeve (761) is coupled to the bottom shaft (12) via a bearing (762).
The scull rowing machine according to claim 1 or 2, characterized in that the damping mechanism (5) is a magnetron inertia wheel or a magnetron resistance wheel or a fan blade resistance wheel or a friction resistance wheel or a water resistance wheel. The transmission mechanism (6) includes a fixed shaft (61) and a belt pulley (62), the fixed shaft (61) is installed at the front of the main frame (1), and the belt pulley (62) is provided with a first A sleeve (621), the belt pulley (62) is rotatably sleeved on the fixed shaft (61) through the first sleeve (621); the left and right take-ups (31), (32) are respectively mounted on the fixed shaft (61) through bearings (77) to enable the left and right winders to rotate bidirectionally relative to the fixed shaft, and the left and right winders (31) and (32) Located on both sides of the belt pulley (62), the left and right take-ups (31), (32) pass through the one-way bearing (72) and the first sleeve (621) of the belt pulley (62) ) Unidirectional transmission; the belt pulley (62) is connected to the magnetron inertia wheel or magnetron resistance wheel or fan blade resistance wheel or friction resistance wheel through a belt (78).
The double-paddle rowing machine according to claim 7, characterized in that the left and right winders (31), (32) are double-pull rope winding spring winders, including a webbing pulley (311), a webbing pulley A cover (312) and a scroll spring (313), the webbing pulley (311) is mounted on the fixed shaft (61) through the bearing (77) to achieve bidirectional rotation relative to the fixed shaft (61), the scroll A coil spring (313) is installed in the webbing wheel (311), the webbing wheel cover (312) is fixed on the webbing wheel (311) and surrounds the scroll spring (313) therein; The webbing pulley (311) is provided with a mounting groove (3111), and the left pull cord (41) is installed in the mounting groove (3111) of the left webbing pulley (311).
The scull rowing machine according to claim 8, characterized in that the webbing wheel (311) is provided with a second shaft sleeve (3112), and the first shaft sleeve (621) of the belt pulley (62) passes through The one-way bearing (72) is installed in the second sleeve (3112) of the webbing pulley (311); the left winder (31) further includes a large PC board (314) and a small PC board (315) , The large PC board (314) and the small PC board (315) are on both sides of the scroll spring (313), and the large PC board (314) is close to the webbing wheel cover (312). Side.
The scull rowing machine according to claim 1 or 2, characterized in that the damping mechanism (5) is a water resistance wheel (8), and the transmission mechanism (6) includes a rotating shaft (63), the rotation A shaft (63) is rotatably mounted on the front of the main frame (1), and the left and right wire take-ups (31), (32) are mounted on the rotating shaft (63) through bearings (81), respectively So that the left and right take-up retractors (31), (32) can rotate bidirectionally with respect to the rotating shaft (63), and the left and right take-up retractors (31), (32) pass through the one-way bearing (72) ) One-way transmission coupling with the rotating shaft (63); the rotating shaft (63) is drivingly coupled with the water resistance wheel (8).