CN108946974B

CN108946974B - Pedal type fitness paddling aeration oxygenation device

Info

Publication number: CN108946974B
Application number: CN201810794538.2A
Authority: CN
Inventors: 武周虎
Original assignee: Qingdao University of Technology
Current assignee: SHANDONG FLIO ENVIRONMENTAL ENGINEERING Co.,Ltd.
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2021-04-23
Anticipated expiration: 2038-07-19
Also published as: CN108946974A

Abstract

The invention belongs to the technical field of landscape water body pollution treatment and eutrophication control equipment, and particularly relates to a pedal type body-building water-rowing aeration oxygen-increasing device which comprises a pedal type body-building unit on the bank, a water-rowing aeration oxygen-increasing unit floating in a landscape water body and a transmission shaft connected with the pedal type body-building unit and the water-rowing aeration oxygen-increasing unit, wherein the pedal type body-building unit is designed by taking the main body frame of a bicycle as a reference, the structural shape of the pedal type body-building unit, the water-rowing aeration oxygen-increasing unit and the transmission shaft of the water-rowing aeration oxygen-increasing unit are designed by taking the reference, the pedal type body-building unit provides a body-building entertainment place and equipment for a user on the bank and simultaneously provides power support for the water-rowing aeration oxygen-increasing unit, the water-rowing aeration oxygen-increasing unit floats on the water surface of the landscape water body and is flexibly and, promoting the reoxygenation of the water body, and having the functions of body-building, leisure and entertainment, paddling and playing and aeration oxygenation.

Description

Pedal type fitness paddling aeration oxygenation device

The technical field is as follows:

the invention belongs to the technical field of landscape water body pollution treatment and eutrophication control equipment, and particularly relates to a pedal type fitness paddling aeration oxygenation device which is arranged on the bank of a landscape water body and has the functions of fitness exercise, leisure entertainment, paddling and aeration oxygenation.

Background art:

in recent years, with the comprehensive and rapid development of national economic society, the material culture living level of the masses is continuously improved, and the human water and harmonious coexistence, the design of hydrophilic landscape and the construction of water ecological civilization gradually enter the daily life of residents. In the artificial environment such as town leisure green land, park square, residential area, country and tourist attraction, the landscape water body with a certain scale is often planned and designed, such as: naturally occurring or artificially constructed, aesthetic ponds, artificial lakes, and river systems. The landscape water body has the functions of appreciation, amusement, rehabilitation, vacation and the like, and the waterscape is a high summary of the waterscape, and the landscape water body becomes one of the main characteristics of modern cities and towns. Most of the landscape water bodies are static or closed water bodies with poor liquidity, and the circulation alternating speed is slow. The method has the characteristics of small water area, easy pollution, small environmental capacity, low dissolved oxygen level, poor water self-purification capacity, easy eutrophication and the like, and easily causes the increase of suspended matters in water, the increase of turbidity, the reduction of transparency, and the increase of the contents of organic matters, bacteria and escherichia coli. At higher temperature, algae can grow in the water body with higher nutrient elements such as nitrogen, phosphorus and the like, the ecological balance of water can be damaged by the abnormal propagation of the algae, lake water is obviously green, the water body has higher chroma and obvious fishy smell, and sometimes even the water body is blackened and smelled, so that the function of the landscape water body is lost. Based on this, it is very important to provide reasonable and effective water pollution treatment and eutrophication control equipment.

At present, the water quality control of landscape ponds, artificial lakes and river water systems at home and abroad mainly adopts an animal and plant ecological control technology, an artificial wetland purification technology, a hydrodynamic force circulation and aeration oxygenation technology driven by electricity or solar energy and the like. Chinese patent 201721030114.6 discloses a recreational vehicle draws water aeration and purifies district water landscape body device, by adjustable support, water intaking board, water intaking vehicle transmission rotation axis, breakwater, driving chain, recreational vehicle handle, recreational vehicle seat, the adjustable seat support of recreational vehicle, exercise bicycle frame, conveyer belt, bicycle footboard, fixed bolster bolt, reserve bolt hole, swivel bolt, dam body group one-tenth, its characterized in that: the cross section of the water baffle is U-shaped and is fixedly arranged on the bracket; the water taking plate is fixedly arranged on the conveying belt, and the other side of the conveying belt is provided with convex teeth; the water-taking cart transmission rotating shaft is provided with gear teeth, the front wheel of the exercise bicycle is provided with gear teeth, and the water-taking cart transmission rotating shaft and the front wheel of the exercise bicycle are linked by a transmission chain; the transmission rotating shaft of the water taking vehicle is arranged in the range of the conveying belt and is provided with convex teeth which can drive the conveying belt to run; the dam body cuts off the waterscape; the conveyor belt, the water taking plate and the convex teeth on the other side of the conveyor belt are all made of butyl rubber materials; the pressure air storage type aeration device utilizing the park body-building load stress disclosed by the Chinese patent 201520443455.0 comprises an air blower unit, a pressure air storage tank unit, a floating island unit and a pressure body-building equipment unit, wherein the air blower unit comprises two air blowers and two push rods; a piston at the bottom of the push rod and the inner wall of a pressure cavity of the blower form a sliding pair and is connected with the pressure cavity through a spring; the piston at the bottom of the push rod divides the interior of a pressure cavity of the blower into an upper cavity and a lower cavity, the upper cavity is a residual air exhaust cavity, and the lower cavity is an air inlet cavity; the side wall of the air inlet cavity is provided with a pressure exhaust port communicated with the air transmission cavity of the blower, and the bottom of the air inlet cavity is provided with an air inlet of the blower; the top of the residual air exhaust cavity is provided with a residual air exhaust port; the gas transmission cavity of the blower is provided with a blower gas transmission port; the pressure fitness equipment unit is fitness equipment which is arranged above the two push rods and generates pressure; the pressure air storage tank unit comprises a pressure air storage tank, a motor, a piston rod and a linked switch; the inner wall of the pressure air storage tank and the piston at the bottom of the piston rod form a sliding pair; the air inlet of the pressure air storage tank is communicated with the air conveying ports of the blowers of the two blowers through pipelines; the top of the side wall of the pressure gas storage tank is provided with a safety valve port communicated with the safety valve; the output shaft of the motor is connected with the piston rod through a transmission mechanism; the linkage switch is fixed on a support rod, and the support rod is fixed on the side part of the pressure air storage tank; the linkage switch is partially penetrated into the pressure air storage tank to control the starting and stopping of the motor; the floating island unit comprises a floating platform and a rotary aeration head; the rotary aeration head is connected with an air outlet of the pressure air storage tank through a pipeline; the floating platform is fixed on the pipeline; chinese patent 201711095289.X discloses an ecological restoration system based on aeration of a waterfront exercise bicycle, which comprises a pedal power unit, an aeration transmission unit and an ecological landscape unit, wherein the pedal power unit is connected with the ecological landscape unit through the aeration transmission unit, the pedal power unit consists of a frame, a saddle, a crank, a pedal, a handle, a transmission shaft, a flywheel, a fixing bracket, a water baffle and an I-shaped fixing frame, the aeration transmission unit consists of a flat pull rod, a damping pad, a damping spring, a piston cylinder, a pin shaft, a piston head, an air delivery hose and an aeration micro-tube, and the ecological landscape unit consists of a frame, fillers, emergent aquatic plants, submerged plants, a gravity ball and a traction rope; the frame is fixed on an I-shaped fixing frame, the front part of the frame is provided with a handle, the middle part of the frame is provided with a saddle, the saddle is lower than the handle, the rear part of the frame is provided with a flywheel through a fixing support, the upper part of the flywheel is provided with a water baffle, one side of the flywheel is connected with a transmission shaft, the transmission shaft is connected with one end of a crank, the other end of the crank is provided with a pedal, the other side of the flywheel is connected with one end of a flat pull rod, the other end of the flat pull rod is fixed with a piston head, the piston head is arranged in a piston cylinder in a sliding manner, the outer side of the piston cylinder is wrapped with a shock pad, the shock pad is a rubber pad, a shock absorption spring is arranged right below the top of the piston cylinder, the bottom of the piston cylinder is fixed through a pin shaft, one end of a gas transmission hose is, a gravity ball is drawn in the middle of the floating bed, a hole is reserved in the floating bed, emergent aquatic plants are planted on the upper part of the floating bed, and submerged plants are planted on two sides of the aeration micro-tube; above-mentioned patent product and the relevant equipment among the prior art have aeration equipment's arrangement need press close to the straight wall bank slope condition, because bank wall water resistance is big, the aeration effect is poor, and easy disturbance riverbed bed mud forms the secondary pollution of quality of water, is not fit for the ecological bank protection condition scheduling problem of current implementation. Therefore, the foot-operated body-building water-rowing aeration oxygenation device is researched and designed to improve the self-purification capacity and the fluidity of the water body, inhibit the growth of algae, improve the dissolved oxygen in the water body, improve the water quality and the ecological environment, recover the ecological function of the water body and beautify the lake surface landscape, realize that the water quality in landscape ponds, artificial lakes and river water systems meets the requirements of corresponding surface water functional areas, and has a very good application prospect.

The invention content is as follows:

the invention aims to overcome the defects in the prior art, and provides a pedal type fitness paddling aeration oxygenation device.

In order to achieve the purpose, the main structure of the pedal type fitness paddling aeration and oxygenation device comprises a pedal type fitness unit, a paddling aeration and oxygenation unit and a transmission shaft; the pedal type fitness unit is connected with the paddling aeration oxygenation unit through a transmission shaft; the main structure of the foot-operated fitness unit comprises a base, an inclined crossbeam, a front upright post, a rear upright post, a cushion, a rear bearing, a pedal, a gearwheel, a handle, a front bearing, a driving shaft, a first support bearing, a first universal coupling, a pinion, a chain and a chain box; an inclined beam with an inclined cylindrical structure is arranged at one end of the upper surface of a base with a rectangular plate-shaped structure, a front upright post with a cylindrical structure is arranged at the other end of the base, the top end of the inclined beam is fixedly connected with the top end of the front upright post, a rear upright post with a bent cylindrical structure is arranged at the lower part of the inclined beam, a cushion is arranged on the horizontal section of the rear upright post, a rear bearing is also arranged at the lower part of the inclined beam, pedals with symmetrical structures are penetrated in the rear bearing, a large gear with a disc-shaped structure is sleeved outside the rear bearing, a handle is inserted at the top end of the front upright post, a front bearing is arranged at the lower part of the front upright post, a driving shaft with a cylindrical structure is penetrated in the front bearing, the other end of the driving shaft penetrates through a first support bearing arranged on the base and then is connected with a, a chain box is arranged on the periphery of the chain, and two ends of the chain box are respectively and fixedly connected with the cross beam and the front upright post; the inclined crossbeam, the front upright post, the rear upright post, the cushion, the rear bearing, the pedal, the big gear, the handle, the front bearing, the small gear, the chain and the chain box are matched to form a bicycle type structure; the main structure of the paddling aeration oxygenation unit comprises a floating body module, a submerged line, a bottom line, a keel frame, a cable chain, a second support bearing, a driven shaft, a paddle wheel, a paddle and a second universal coupling; the floating body module is arranged in a mirror symmetry mode, submerging lines are printed on the periphery of the upper portion of the floating body module, bottom lines are printed on the periphery of the bottom of the floating body module, two parallel keel frames with rectangular strip structures are arranged between the floating body modules, the floating body modules and the keel frames are respectively provided with rope-shaped structure cable chains, a second support bearing with a through hole is arranged on the upper portion of the keel frame, a driven shaft with a cylindrical structure penetrates through the second support bearing, 1-3 groups of paddle wheels with circular structures are sleeved in the middle of the driven shaft, 4-6 paddles with duck web structures are arranged on the paddle wheels at equal intervals, and a second universal coupling is arranged at the other end of the driven shaft; one end of the transmission shaft is connected with the first universal coupling, and the other end of the transmission shaft is connected with the second universal coupling.

The height and the proportion of the pedal type fitness unit are referred to the height and the proportion of the bicycle; the base is made of a steel plate and is fixed on a concrete foundation; the inclined crossbeam, the front upright post, the rear upright post and the handle are all made of steel pipes, and the handle can move left and right and has a lifting adjusting function; the cushion is a leather cushion, a spring and a sponge are arranged in the cushion, and the height of the cushion can be adjusted to meet the use requirements of people with different heights, so that the comfort of a user is enhanced; the pedals are powered by the pedals, so that the bicycle has the functions of driving riding, exercising and body building, and provides rotation energy for the paddle wheels; the diameter of the gear wheel is 2 times of that of the pinion, the rotating speed of the gear wheel is 1/2 times of that of the pinion, the preferred diameter of the gear wheel is 200mm, and the diameter of the pinion is 100 mm; the length of the driving shaft is 0.4-0.6m, and the preferred length of the driving shaft is 500 mm; the thicknesses of the first support bearing and the second support bearing are both 0.15 m; the first universal coupling is used for connecting the driving shaft and the transmission shaft to enable the driving shaft and the transmission shaft to rotate together; the pinion is fixed on the driving shaft in a key groove mode, and the driving shaft is driven by the pinion to rotate; the chain is connected with the big gear and the small gear, and has a mechanical rotation transmission function; the chain box protects the big gear, the small gear and the chain from being polluted by the external environment and can prevent clothes from being wound; the floating body module is a finished plastic floating body module, and the buoyancy of the floating body module can maintain the self-weight balance and stability of the paddling aeration oxygenation unit; the submerging line is a water surface submerging line of the floating body module; the bottom line is the bottom contour line of the floating body module; the keel frame is used for fixing the floating body module and the second support bearing; the cable chain is a rope or a chain for connecting the shore anchor pile and the paddling aeration oxygenation unit; the radius of the paddle wheel is 0.2m, and the paddle wheel is fixed on the driven shaft in a key groove mode; the length of the paddle is 0.3m, and the paddle drives water to push the water to flow so as to promote reoxygenation of the water; the second universal coupling is used for connecting the transmission shaft and the driven shaft to enable the transmission shaft and the driven shaft to rotate together.

The total length of the driven shaft related by the invention is the sum of the installation length of each group of paddle wheels by 0.4m and the thickness of a second support bearing at two ends by 0.15m, and when 1 group of paddle wheels are installed, the total length of the driven shaft is 1 multiplied by 0.4m +2 multiplied by 0.15 m; when 3 sets of paddle wheels are installed, the total length of the driven shaft is 3 × 0.4m +2 × 0.15 m.

The length of a transmission shaft related by the invention is 3-5m, the inclination angle ranges theta of a first universal coupling and a second universal coupling are both 5-45 degrees, the relative height difference h between a driving shaft and a driven shaft is Lsin (theta), the nearest offshore distance a of a paddling aeration oxygen increasing unit is Lcos (theta), when the length L of the transmission shaft is 3m, the relative height difference h between the driving shaft and the driven shaft is 0.26-2.12m, and the nearest offshore distance a of the paddling aeration oxygen increasing unit is 2.99-2.12 m; when the length L of the transmission shaft is 5m, the relative height difference h between the driving shaft and the driven shaft is 0.44-3.54m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit is 4.98-3.54 m; the larger the length of the transmission shaft is, the larger the relative height difference between the driving shaft and the driven shaft is, the farther the nearest offshore distance of the paddling aeration oxygen increasing unit is, and the offshore distance of the paddling aeration oxygen increasing unit can be increased by lengthening the length of the transmission shaft. The device has the advantages of large adaptive water level change amplitude, large nearest offshore distance of the paddling aeration oxygenation unit, no limitation of the change of the form of the shore and accordance with the currently pushed ecological slope protection conditions; the length L of the transmission shaft is preferably 4m, the relative height difference h between the driving shaft and the driven shaft is 0.35-2.83m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit is 3.99-2.83 mm.

When the pedal type fitness, water-rowing and aeration oxygenation device is used, the big gear is driven to rotate by a pedal 7, the big gear rotates while driving the small gear and the driving shaft to rotate through the chain, the driving shaft rotates while driving the first universal coupling to rotate, the first universal coupling drives the driven shaft and the paddle wheel to rotate together through the transmission shaft, the rotation of the paddle wheel enables the paddles to poke water to push the water to flow, the reoxygenation of the water is promoted, the water quality of the water body which is remained for a long time in a landscape pond, an artificial lake or a river water system can be greatly improved, and the water quality reaches more than IV types of landscape water standards in GB 3838-2002 which meet the requirements of ecological functions of landscape water bodies.

Compared with the prior art, the invention comprises a pedal type body building unit on the bank, a paddling aeration oxygenation unit floating in landscape water and a transmission shaft connecting the pedal type body building unit and the paddling aeration oxygenation unit, wherein the main body frame of the bicycle and the structural shape design are used for reference, wherein: the pedaled fitness unit provides power support for the paddling aeration oxygen increasing unit while providing fitness and sports entertainment places and equipment for users at the bank, the paddling aeration oxygen increasing unit floats on the water surface of a landscape water body and is flexibly and fixedly connected with anchor piles at the bank through a cable chain, the transmission shaft transmits the kinetic energy of the pedaled fitness unit to the paddling aeration oxygen increasing unit, so that the paddle wheel rotates at the speed 2 times of the pedaled rotating speed and dials water, the water body is pushed to flow, the water body reoxygenation is promoted, the water body fluidity and dissolved oxygen in water are increased, the decomposition and degradation of organic pollutants in water and the growth of aquatic organisms are facilitated, the black and odorous phenomena caused by oxygen deficiency of the water body are avoided, meanwhile, the users can generate thick sports interest and entertainment interests, the utilization rate of the pedaled fitness oxygen increasing unit and the paddling aeration oxygen increasing effect of the paddling aeration oxygen increasing unit are facilitated, and a very obvious, is very beneficial to beautifying the water body landscape; the landscape water body water level control device has the advantages of simple process structure, low investment and operation cost, convenient maintenance and management, attractive appearance and practicability, can effectively reduce the eutrophication level of the landscape water body and improve the ecological environment quality of the landscape water body while providing leisure sports equipment for people, and can adapt to a certain water level change range of the landscape water body.

Description of the drawings:

fig. 1 is a schematic view of a main structure principle of the pedal type body building unit according to the present invention.

Fig. 2 is a schematic diagram of the main structure principle of the paddling aeration oxygenation unit related by the invention.

The specific implementation mode is as follows:

the following is a further description by way of example and with reference to the accompanying drawings.

Example 1:

the main structure of the pedal type fitness paddling aeration oxygenation device comprises a pedal type fitness unit A, a paddling aeration oxygenation unit B and a transmission shaft C; the pedal type fitness unit A is connected with the paddling aeration oxygenation unit B through a transmission shaft C; the main structure of the foot-operated fitness unit A comprises a base 1, an inclined crossbeam 2, a front upright post 3, a rear upright post 4, a cushion 5, a rear bearing 6, a foot pedal 7, a large gear 8, a handle 9, a front bearing 10, a driving shaft 11, a first support bearing 12, a first universal coupling 13, a small gear 14, a chain 15 and a chain box 16; an inclined girder 2 with an inclined cylindrical structure is arranged at one end of the upper surface of a base 1 with a rectangular platy structure, a front upright post 3 with a cylindrical structure is arranged at the other end of the base 1, the top end of the inclined girder 2 is fixedly connected with the top end of the front upright post 3, a rear upright post 4 with a bent cylindrical structure is arranged at the lower part of the inclined girder 2, a cushion 5 is arranged on the horizontal section of the rear upright post 4, a rear bearing 6 is also arranged at the lower part of the inclined girder 2, a pedal 7 with a symmetrical structure is penetrated inside the rear bearing 6, a big gear 8 with a disc-shaped structure is sleeved outside the rear bearing 6, a handle 9 is inserted at the top end of the front upright post 3, a front bearing 10 is arranged at the lower part of the front upright post 3, a driving shaft 11 with a cylindrical structure is penetrated inside the front bearing 10, and the other end of the driving shaft 11 is, a small gear 14 with a disc-shaped structure is sleeved outside the front bearing 10, the large gear 8 is connected with the small gear 14 through a chain 15, a chain box 16 is arranged on the periphery of the chain 15, and two ends of the chain box 16 are fixedly connected with the inclined crossbeam 2 and the front upright post 3 respectively; the cross girder 2, the front upright post 3, the rear upright post 4, the cushion 5, the rear bearing 6, the pedal 7, the big gear 8, the handle 9, the front bearing 10, the small gear 14, the chain 15 and the chain box 16 are matched to form a bicycle type structure; the main structure of the paddling aeration oxygenation unit B comprises a floating body module 17, a submerged line 18, a bottom line 19, a keel frame 20, a cable chain 21, a second support bearing 22, a driven shaft 23, a paddle wheel 24, paddles 25 and a second universal coupling 26; two floating body modules 17 of a concave plate-shaped structure are arranged in a mirror symmetry mode, submerged lines 18 are printed on the periphery of the upper portion of each floating body module 17, bottom lines 19 are printed on the periphery of the bottom of each floating body module 17, two parallel keel frames 20 of rectangular strip structures are arranged between the floating body modules 17, rope-shaped structure chains 21 are respectively arranged on the floating body modules 17 and the keel frames 20, second support bearings 22 with through holes are arranged on the upper portions of the keel frames 20, driven shafts 23 of cylindrical structures penetrate between the second support bearings 22, 1-3 groups of paddle wheels 24 of circular structures are sleeved in the middle of the driven shafts 23, 4-6 pieces of paddles 25 of duck web-shaped structures are arranged on the paddle wheels 24 at equal intervals, and second universal couplings 26 are arranged at the other ends of the driven shafts 23; one end of the transmission shaft C is connected with the first universal coupling 13, and the other end of the transmission shaft C is connected with the second universal coupling 26.

The height and the proportion of the pedal type fitness unit A related to the embodiment refer to the height and the proportion of a bicycle; the base 1 is made of a steel plate and is fixed on a concrete foundation; the inclined crossbeam 2, the front upright post 3, the rear upright post 4 and the handle 9 are all made of steel pipes, and the handle 9 can move left and right and has a lifting adjusting function; the cushion 5 is a leather cushion, a spring and a sponge are arranged in the cushion, and the height of the cushion 5 can be adjusted to meet the use requirements of people with different heights, so that the comfort of a user is enhanced; the pedals 7 take the pedal pedaling as power, have the functions of driving, riding, exercising and body building, and simultaneously provide rotation energy for the paddle wheels 24; the diameter of the gearwheel 8 is 2 times of the diameter of the pinion 14, the rotation speed of the gearwheel 8 is 1/2 of the rotation speed of the pinion 14, preferably, the diameter of the gearwheel 8 is 200mm, and the diameter of the pinion 14 is 100 mm; the length of the driving shaft 11 is 0.4-0.6m, and the length of the driving shaft 11 is preferably 500 mm; the thicknesses of the first support bearing 12 and the second support bearing 22 are both 0.15 m; the first universal coupling 13 is used for connecting the driving shaft 11 and the transmission shaft C so that the driving shaft 11 and the transmission shaft C rotate together; the pinion 14 is fixed on the driving shaft 11 in a key way, and the driving shaft 11 is driven by the pinion 14 to rotate; the chain 15 is connected with the big gear 8 and the small gear 14, and has a mechanical rotation transmission function; the chain box 16 protects the large gear 8, the small gear 14 and the chain 15 from the external environment and can prevent the clothes from being entangled; the floating body module 17 is a finished plastic floating body module, and the buoyancy of the floating body module 17 can maintain the self-weight balance and stability of the paddling aeration oxygenation unit B; the submerging line 18 is the water surface submerging line of the floating body module 17; the bottom line 19 is the bottom contour line of the float module 17; the keel frame 20 is used for fixing the floating body module 17 and a second support bearing 22; the cable chain 21 is a rope or a chain for connecting the shore anchor pile and the paddling aeration oxygenation unit B; the radius of the paddle wheel 24 is 0.2m, and the paddle wheel 24 is fixed on the driven shaft 23 in a key groove mode; the length of the blade 25 is 0.3m, and the blade 25 drives water to push the water body to flow so as to promote reoxygenation of the water body; the second universal joint 26 is used to connect the drive shaft C and the driven shaft 23 so that the drive shaft C and the driven shaft 23 rotate together.

The total length of the driven shaft 23 related to the embodiment is the sum of the installation length of 0.4m of each group of paddle wheels 24 and the thickness of 0.15m of the second-end support bearing 22, and when 1 group of paddle wheels 24 is installed, the total length of the driven shaft 23 is 1 × 0.4m +2 × 0.15 m; when 3 sets of paddle wheels 24 are installed, the total length of the driven shaft 23 is 3 × 0.4m +2 × 0.15 m.

The length of a transmission shaft C related in the embodiment is 3-5m, the inclination angle ranges theta of a first universal coupling 13 and a second universal coupling 26 are both 5-45 degrees, the relative height difference h between a driving shaft 11 and a driven shaft 23 is Lsin (theta), the nearest offshore distance a of a paddling aeration oxygen increasing unit B is Lcos (theta), when the length L of the transmission shaft C is 3m, the relative height difference h between the driving shaft 11 and the driven shaft 23 is 0.26-2.12m, and the nearest offshore distance a of the paddling aeration oxygen increasing unit B is 2.99-2.12 m; when the length L of the transmission shaft C is 5m, the relative height difference h between the driving shaft 11 and the driven shaft 23 is 0.44-3.54m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit B is 4.98-3.54 m; the larger the length of the transmission shaft C is, the larger the relative height difference between the driving shaft 11 and the driven shaft 23 is, and the farther the nearest offshore distance of the paddling aeration oxygen-increasing unit B is, and the offshore distance of the paddling aeration oxygen-increasing unit B can be increased by lengthening the length of the transmission shaft C. The adaptive water level change amplitude is large, the nearest offshore distance of the paddling aeration oxygenation unit B is large, the limitation of the change of the form of the shore is avoided, and the ecological slope protection method has the advantages of meeting the currently pushed ecological slope protection conditions; the length L of the transmission shaft C is preferably 4m, the relative height difference h between the driving shaft 11 and the driven shaft 23 is 0.35-2.83m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit B is 3.99-2.83 mm.

When the pedal type fitness, water-rowing, aeration and oxygenation device related to the embodiment is used, the big gear 8 is driven to rotate by stepping on the pedal 7, the big gear 8 drives the small gear 14 and the driving shaft 11 to rotate through the chain 15 while rotating, the driving shaft 11 drives the first universal coupling 13 to rotate while rotating, the first universal coupling 13 drives the driven shaft 23 and the paddle wheel 24 to rotate together through the transmission shaft C, the paddle wheel 24 rotates to enable the paddle 25 to stir water to push the water to flow, the reoxygenation of the water is promoted, the water quality of the water which is detained for a long time in a landscape pond, an artificial lake or a river system can be greatly improved, and the landscape water standards above IV in the 'surface water environment quality standard' (GB 3838-2002) which meets the requirements of landscape water ecological functions.

Claims

1. A pedal type fitness paddling aeration oxygenation device is characterized in that the main structure comprises a pedal type fitness unit, a paddling aeration oxygenation unit and a transmission shaft; the pedal type fitness unit is connected with the paddling aeration oxygenation unit through a transmission shaft; the main structure of the foot-operated fitness unit comprises a base, an inclined crossbeam, a front upright post, a rear upright post, a cushion, a rear bearing, a pedal, a gearwheel, a handle, a front bearing, a driving shaft, a first support bearing, a first universal coupling, a pinion, a chain and a chain box; an inclined beam with an inclined cylindrical structure is arranged at one end of the upper surface of a base with a rectangular plate-shaped structure, a front upright post with a cylindrical structure is arranged at the other end of the base, the top end of the inclined beam is fixedly connected with the top end of the front upright post, a rear upright post with a bent cylindrical structure is arranged at the lower part of the inclined beam, a cushion is arranged on the horizontal section of the rear upright post, a rear bearing is also arranged at the lower part of the inclined beam, pedals with symmetrical structures are penetrated in the rear bearing, a large gear with a disc-shaped structure is sleeved outside the rear bearing, a handle is inserted at the top end of the front upright post, a front bearing is arranged at the lower part of the front upright post, a driving shaft with a cylindrical structure is penetrated in the front bearing, the other end of the driving shaft penetrates through a first support bearing arranged on the base and then is connected with a, a chain box is arranged on the periphery of the chain, and two ends of the chain box are respectively and fixedly connected with the cross beam and the front upright post; the inclined crossbeam, the front upright post, the rear upright post, the cushion, the rear bearing, the pedal, the big gear, the handle, the front bearing, the small gear, the chain and the chain box are matched to form a bicycle type structure; the main structure of the paddling aeration oxygenation unit comprises a floating body module, a submerged line, a bottom line, a keel frame, a cable chain, a second support bearing, a driven shaft, a paddle wheel, a paddle and a second universal coupling; the floating body module is arranged in a mirror symmetry mode, submerging lines are printed on the periphery of the upper portion of the floating body module, bottom lines are printed on the periphery of the bottom of the floating body module, two parallel keel frames with rectangular strip structures are arranged between the floating body modules, the floating body modules and the keel frames are respectively provided with rope-shaped structure cable chains, a second support bearing with a through hole is arranged on the upper portion of the keel frame, a driven shaft with a cylindrical structure penetrates through the second support bearing, 1-3 groups of paddle wheels with circular structures are sleeved in the middle of the driven shaft, 4-6 paddles with duck web structures are arranged on the paddle wheels at equal intervals, and a second universal coupling is arranged at the other end of the driven shaft; one end of the transmission shaft is connected with the first universal coupling, and the other end of the transmission shaft is connected with the second universal coupling; can adapt to the water level change of the landscape water body.

2. The pedal type fitness rowing aeration oxygenation device of claim 1, wherein the height and proportion of the pedal type fitness unit are referenced to the height and proportion of a bicycle; the base is made of a steel plate and is fixed on a concrete foundation; the inclined crossbeam, the front upright post, the rear upright post and the handle are all made of steel pipes, and the handle can move left and right and has a lifting adjusting function; the cushion is a leather cushion, a spring and a sponge are arranged in the cushion, and the height of the cushion can be adjusted to meet the use requirements of people with different heights, so that the comfort of a user is enhanced; the pedals are powered by the pedals, so that the bicycle has the functions of driving riding, exercising and body building, and provides rotation energy for the paddle wheels; the diameter of the bull gear is 2 times of that of the pinion gear, the rotating speed of the bull gear is 1/2 of that of the pinion gear, the diameter of the bull gear is 200mm, and the diameter of the pinion gear is 100 mm; the length of the driving shaft is 0.4-0.6m, and the length of the driving shaft is 500 mm; the thicknesses of the first support bearing and the second support bearing are both 0.15 m; the first universal coupling is used for connecting the driving shaft and the transmission shaft to enable the driving shaft and the transmission shaft to rotate together; the pinion is fixed on the driving shaft in a key groove mode, and the driving shaft is driven by the pinion to rotate; the chain is connected with the big gear and the small gear, and has a mechanical rotation transmission function; the chain box protects the big gear, the small gear and the chain from being polluted by the external environment and can prevent clothes from being wound; the floating body module is a finished plastic floating body module, and the buoyancy of the floating body module can maintain the self-weight balance and stability of the paddling aeration oxygenation unit; the submerging line is a water surface submerging line of the floating body module; the bottom line is the bottom contour line of the floating body module; the keel frame is used for fixing the floating body module and the second support bearing; the cable chain is a rope or a chain for connecting the shore anchor pile and the paddling aeration oxygenation unit; the radius of the paddle wheel is 0.2m, and the paddle wheel is fixed on the driven shaft in a key groove mode; the length of the paddle is 0.3m, and the paddle drives water to push the water to flow so as to promote reoxygenation of the water; the second universal coupling is used for connecting the transmission shaft and the driven shaft to enable the transmission shaft and the driven shaft to rotate together.

3. The pedal type fitness, water-rowing, aeration and oxygenation device according to claim 1, wherein the total length of the driven shaft is the sum of the installation length of each group of paddle wheels, which is 0.4m, and the thickness of the bearing with the second bearing at two ends, which is 0.15m, and when 1 group of paddle wheels are installed, the total length of the driven shaft is 1 x 0.4m +2 x 0.15 m; when 3 sets of paddle wheels are installed, the total length of the driven shaft is 3 × 0.4m +2 × 0.15 m.

4. The foot-operated body-building water-scratching aeration oxygenation device according to claim 1, characterized in that the length of the transmission shaft is 3-5m, the inclination angle ranges theta of the first universal coupling and the second universal coupling are both 5 degrees to 45 degrees, the relative height difference h between the driving shaft and the driven shaft is Lsin (theta), the nearest offshore distance a of the water-scratching aeration oxygenation unit is Lcos (theta), when the length L of the transmission shaft is 3m, the relative height difference h between the driving shaft and the driven shaft is 0.26-2.12m, and the nearest offshore distance a of the water-scratching aeration oxygenation unit is 2.99-2.12 m; when the length L of the transmission shaft is 5m, the relative height difference h between the driving shaft and the driven shaft is 0.44-3.54m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit is 4.98-3.54 m; the larger the length of the transmission shaft is, the larger the relative height difference between the driving shaft and the driven shaft is, the larger the nearest offshore distance of the paddling aeration oxygen increasing unit is, the offshore distance of the paddling aeration oxygen increasing unit can be increased by lengthening the length of the transmission shaft, the adaptive water level change amplitude is large, the nearest offshore distance of the paddling aeration oxygen increasing unit is large, the limitation of the change of the form of the shore is avoided, and the ecological slope protection condition is met; when the length L of the transmission shaft is 4m, the relative height difference h between the driving shaft and the driven shaft is 0.35-2.83m, and the nearest offshore distance a of the paddling aeration oxygen-increasing unit is 3.99-2.83 mm.

5. The pedal type fitness, water-rowing, aeration and oxygenation device according to claim 1, is characterized in that when in use, a big gear is driven to rotate by stepping on a foot, the big gear rotates and simultaneously drives a small gear and a driving shaft to rotate through a chain, the driving shaft rotates and simultaneously drives a first universal coupling to rotate, the first universal coupling drives a driven shaft and a paddle wheel to rotate together through a transmission shaft, the paddle wheel rotates to make paddles poke water to push a water body to flow, so that reoxygenation of the water body is promoted, and the water quality of the water body staying for a long time in a landscape pond, an artificial lake or a river water system can reach more than IV types of landscape water standards in GB 3838-2002 which meet the requirements of ecological functions of landscape water bodies.