Tandem

FIELD: transport engineering; three-wheel tandem.

SUBSTANCE: invention relates to three-wheel tandem part of which is made in form of sedicar. Driven bicycle without front wheel is attached to side of driving bicycle. Reciprocating drive of driving bicycle in form of levers with drum is furnished additionally with shaft connected with axle of levers of driven bicycle to form common power system.

EFFECT: improved efficiency of tandem drive.

5 dwg

 

The invention relates to a device for the actuation of wheeled vehicles by human muscle force through devices at the same time hand and foot actions.

The purpose of the invention is to facilitate control of the actuator by generating additional energy. At the drive in tandem adopted actuator, developed and described in the copyright certificate (see author's certificate No. 1232556 A1, 62 M 1/02) “Muscular wheel drive vehicles”.

Known vehicle, comprising a vertical frame, a steering fork of the guided wheel containing the bearing and hollow shaft in the form of a cylinder, the outer wall of which is rigidly attached to the steering fork, handlebar, seat, placed in the middle of a frame, a carriage mounted on the frame vertical frame, the sides of which the front part of the rotating hinges installed the crank shaft (see patent No. 2034734, CL 6 62 M 1/04).

The disadvantage of this invention is that the muscular force of arms is not used. The presence of dead spots reduces the efficiency of the system. The design is very cumbersome, as the vertical frame addition is attached to the horizontal frame, which is of considerable width, in spite of this, the vehicle does not possess a reliable stability. The width of the horizontal frame complicates the perfo the rotation of the vehicle.

Tandem, allowing the rider and the rider to sit more attractive than the tandem, which the rider looks in the back of the driver.

The design does not allow to quickly change the destination of the vehicle, such as single in Tandem.

In design there is no quick disassembly of the vehicle on the nodes, as a whole it is difficult to store, not having a garage. There is no mechanism that would be able to determine what the height should be the driver.

Known recumbent containing frame, the front driven wheel, two rear driving wheels with independent lever suspension, two seats for the crew, two independent drive, the steering system and the brake system (see patent No. 1838171 A3, 62 M 1/04).

The disadvantage of this invention is that it is very difficult, its complexity can be judged by the amount of detail included in its design, 45, based on the number of parts, tricycle will be very heavy, and human strength is not enough, you will, probably, to attract horsepower. “Two independent drive”, performing the same work, less effective than one engine.

The work in half upright position will not give the same effect, if this work took place in an upright position.

In design there is no quick disassembly recumbent on the nodes, in General, VI is e, it will be difficult to store, without special facilities. In the invention there is no mechanism that would be able to determine what dimensions may be the vehicle depending on the height of the driver.

Known recumbent, consisting of wheels, a seat mounted on an elastic frame. On the steering column by means of a bracket fixed pedal drive chain, through which the guide rollers associated with the rear axle (ed. St. No. 1789414 A1, 62 M 1/04).

The disadvantage of this recumbent is that in the sitting position will not get the maximum use of muscular strength.

The transmission chain is long, is held by rollers which create additional friction.

Chair, mounted on a spring frame, unlikely to be easy and convenient. The recumbent has a non-compact design, the drive is strongly pushed forward, mounted on the console, it must be hard that will result in weight design. There is no regulatory mechanism that would allow the driver of any height to use the recumbent. When driving do not use the body weight of the driver.

The purpose of the invention is to maximize the use of muscular force of the person. For the purpose of the proposed tandem, consisting of master and slave rental, and the presenter has a carriage mounted on the frame, on which the BA is Aban and levers moreover, on the rear axle and wheels are sprocket with freewheel clutches and bow their first flexible body, kinematically connected with the levers, pedals, to facilitate control of the actuator by creating additional energy, it is equipped with a drum mounted on the axis of the levers, the second flexible body is made with overlapping branches and restrictive stand with springs and stops fixed on the frame with the possibility of lateral movement, each of the flexible bodies are made in the form of rope and chain to interact with these stops and the circumference of the drum and the corresponding sprocket. On the right side to the frame of the leading bike with three crossbars and two uasin by bolts fastened driven bike to the master, on the top of the cross is worn braided mesh trunk, driven bike has no front wheel, but has levers with pedals, drum leading bike is connected through the shaft with the axis of the levers slave Bicycle, the shaft has a clutch, by means of which the drum of the leading bike associated with the axis of the levers slave of the bike, creating a single power system, the levers at both bikes made telescopic with the ability to lengthen or shorten.

End levers slingshots, the ends of which they are articulated tie the season with the soles of the pedals, the sole under the action of the center of gravity in any bends his arm constantly occupies a horizontal position and is in a common vertical plane with the lever. The seat is mounted on a vertical pendulum rack, which is hinged to the frame using staples, along with a number of through holes, the cyclist according to their growth makes the choice of holes to attach the vertical pendulum rack, which upper end enters the groove of the frame it under the frame has a latch that engages with the frame and holds the vertical pendulum stand in a certain position.

Figure 1 - General view of the tandem.

Figure 2 - front view.

Figure 3-device pedals.

Figure 4 - power connection slave and leading rental.

Figure 5 is a vertical pendulum hour.

Tandem consists of a master 1 and slave 2 bikes (Figure 1). The slave no bike front wheel, but he has the carriage 3, the levers 4 and the pedal 5 (Figure 3). The levers 4 are telescopic with the ability to lengthen or shorten them, which will reduce or increase torque. The levers 4 end slingshots 6 (3), the ends of which are pivotally attached to the sole 7, which under the action of its center of gravity in any position of the lever 4 retain a horizontal position. Still the way slingshot 6 and 7 soles form the pedal 5.

On the right side to the frame of the leading bike 1 with three crossbars 8 and two uasin 9 by bolts fastened driven bike 2. On the upper cross bar 8 is worn braided mesh trunk 13.

Guided bike is also equipped with two levers 4 of the pedal axle with transverse shaft 15 and the clutch 16 is connected with the levers 4 pedals leading bike 1, creating a single power system.

The seat 18 is mounted on a vertical pendulum rack 19 (Figure 1), which is hinged to the frame 20 of the Bicycle 1, 2 by means of brackets 21, along with a number of through holes to attach the vertical pendulum 19 hours depending on the growth of the cyclist. The upper end of the bar 19 is in the groove of the frame 20, it is under the frame 20 has a latch (not shown)which is engaged with the frame and holds the vertical pendulum rack 19 in position.

Technical appraisal and economic benefits of the proposed tandem Agglomerative

Tandem allows the rider and the driver to sit. Tandem allows the rider and the driver to use the force of arms. The design is very simple and easy, it can quickly be disassembled for master and slave bikes that simplifies the process of storing. Tandem sustained in road traffic. The design of the tandem Liu is th cyclist to use them, in spite of its growth. The tandem can use the handicapped one leg enough one of the pedals to podporujici. Spring will be stretched, when the rider presses another pedal and is activated when the pedal is free. To use force of arms to increase torque to the cyclist needs his hands, resting on the steering wheel, shift the body weight to the working foot pedal, for that he, together with the vertical pendulum rack is moved to the operating pedal.

Tandem, consisting of master and slave rental, and the presenter has a carriage mounted on the frame, on which the drums and instruments, and on the rear axle and wheels are sprocket with freewheel clutches and covering them first flexible body, kinematically connected with the levers, pedals, to facilitate control of the actuator by creating additional energy actuator is equipped with a drum mounted on the axis of the carriage and levers, the second flexible body is made with overlapping branches and restrictive stand with springs and stops fixed on the frame with the possibility of lateral movement, each of the flexible bodies are made in the form of rope and chain to interact with these stops and scope of the drum and a corresponding sprocket on the right side to the frame of the leading bike p and three cross-beams and two uasin secured by bolts driven bike to the master, at the top of the cross wearing a braided mesh trunk, characterized in that the driven bike has no front wheel, but has levers with pedals, drum leading bike is connected through the shaft with the axis of the levers slave Bicycle, the shaft has a clutch, by means of which the drum of the leading bike is connected with the axis of the levers slave of the bike to create a single power system, the levers at both bikes made telescopic, with the possibility of extending or shortening the end levers slingshots, the ends of which are connected with the soles of the pedals, and the center of gravity of the sole enables continuous horizontal pedal position and finding it in a single vertical plane with its lever, the seat is fixed on a vertical pendulum rack, which is hinged to a frame by means of brackets, along which has a number of through holes, to allow for the rider according to his growth to make choices holes for attaching vertical pendulum rack, which upper end enters the groove of the frame on a stand under the frame has a latch that engages with the frame and holds the vertical pendulum stand in a certain position.



 

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