Mechanical group with cylindrical precession: eccentric transmission (versions), transport device with alternately horizontal and vertical backstroke of working member incorporating eccentric transmission (versions)

FIELD: transport.

SUBSTANCE: eccentric transmission based on wheel pair comprises geometrical axles of wheels of transmission main stage coupled by tie-rod. Wheel drive and driven shafts are eccentrically offset relative geometrical axles by amount proportional to required pulsation of torque and drive wheel cylindrical precession. Distance between wheels equals that between axles. Transport device mechanism is based on eccentric transmission with controlled eccentricity.

EFFECT: smooth negotiation of variable mechanical load and track obstacles.

7 cl, 15 dwg

Eccentric transmission (EP) refers to the mechanisms with alternately-return horizontal and vertical movement of the working body and can be used to implement a transportation device which performs the function of a pulsating torque and cylindrical precession of the working body to overcome obstacles (transfer of unrestricted movement with a specified law of change of the velocity vector).

Known mechanisms of gear, chain gear [1, s, 552].

These devices have zero eccentricity and, therefore, cannot be used to implement a transportation device which performs the function of a pulsating torque and cylindrical precession of the working body, overcoming obstacles (for example, wheelchair-terrain suspension "clambering all-terrain vehicle").

Known Cam mechanism [1, s], the fist of which transmits motion with a given law of change of velocity, the prototype.

The specified device transmits a limited movement.

Known transport device with alternately-return horizontal and vertical movement of the working body - the walking mechanism of the conveyor, the transport mechanism dragline [1, s] - prototypes chassis "caracausi the Osia Rover", walking wheel-engine.

These devices are not designed for mobile movement, is not effective as a working mechanism of the vehicle in the environment of rough terrain, structurally complex and ethnologica, therefore not widely used.

Known couplings [1, s] wheels [1, s] transmission - prototypes clutch-wheel precession.

These devices do not create useful precession of the working body.

Known transport mechanism of the crane [1, s] - prototype transport mechanism roofing janitor".

The specified device is adapted to only move in special guides, is not designed to move along the surfaces of buildings of different slope and shape.

Known standard wheelchair prototype wheelchair all terrain consists of standard parts.

The specified device is not applicable for a comfortable overcome travel barriers.

1. The ECCENTRIC GEAR (OPTIONS)

The purpose of the claimed device object that implements the function of the pulsating torque (VM) and a cylindrical precession (CPU - regular movement geometrical axis of the wheel geometric cylindrical surface relative to the position of the drive shaft, mechanically associated with its rotation - the R. the precession cone [1, C]) the working body of the mechanism (at constant VM drive shaft for smooth overcoming variable (speed) mechanical load.

This goal is achieved by the fact that the geometrical axis of the main wheels (defining specified function of the degree of transmission (eccentric wheel pair (RPC)) are connected by a traction element, the limiting distance to ensure continuity of engagement and prevent jamming RPC), and the driving and driven shafts eccentrically offset relative to the axis by an amount proportional to the required ripple VM and CPU driven wheel, the distance between the shafts is equal to the distance between the axes of tolerance to mechanical artifacts - hit small objects (<<value tooth wheel) in the scope of the engagement.

Option 1: Transfer from the main stage, made in the form of timing RPCS (figure 1) with the ratio Z=1.

Option 2 (figure 1): a Device for option 1, wherein the adjustable eccentricity and spring axial thrust (compensating artifacts eccentric involute gearing) primary level (Z=N>1/<1).

Figure 1 shows:

1 - timing RPCS;

2 - spring thrust (compensator artifacts open mesh);

3 - control mechanism eccentricity/limiter CPU.

Option 3: a Device in which the Rianta 1, characterized in that the main stage is executed in the form of a chain RPC (Z=N>1/<1).

Option 4 (figure 2, 3): in option 3, with adjustable eccentricity.

Figure 2 shows:

4 - chain RPC;

5 - spring thrust;

6 - control mechanism eccentricity/limiter CPU.

Figure 3 shows:

7 - chain RPC;

8 - thrust;

9 - optional asterisk spring thrust;

10 - driven shaft - the shaft of the working body.

The advantages claimed the devices are:

- the possibility of gradual overcoming of the variable (speed) mechanical load, allowing the use of RPC in devices intended for use in the environment, unprepared for the operation of typical mechanisms and machines - for example, in the device of the wheelchair terrain, operating in a domestic environment with obstacles for smooth progress wheeled vehicles (with steps etc.); "clambering all-terrain vehicle" (section 2);

- the lack of technologically sophisticated in the manufacture of parts.

2. SUSPENSION "CLAMBERING ROVER"

The device relates to a mobile technical means of transport and can be used to effectively overcome the vehicle off-road obstacles (holes, hillside, etc.) with typical cars speed.

This goal is achieved by the fact that the transport mechanism of the device with alternately-return horizontal and vertical movement of the working body is made based RPC (see section 1) and alternately-return CPU driven wheel RPC at constant VM and a fixed position of the drive shaft with adjustable eccentricity; the center of gravity of the device payload equidistant from the points of support of the device on the ground and below the payload when the pitch of the devices needed to overcome obstacles, geometrically forming the outermost points of support the lens with sharp angles at the bases of the lateral faces and blunt at the apex of the prism (condition security from tipping over when the pitch).

Example: Suspension "clambering all-terrain vehicle"is intended to be a vehicle in alien conditions.

Figure 4 shows:

11 - place payload;

12 - actuator;

13 - grupowy reversing mechanism drive control;

14 - RPC (dashed - extrema precession);

15 is a diagram of the provisions of the CE is tra gravity when max eccentricity and 0 pitch.

An example of unusual vehicles required under normal conditions (figure 5): wheelchair wheel drive buggy terrain with self-contained electric drive is powered by a battery (key), manual drive (backup) and samovyravnivayuschey winch with ratchet [1, s] for cases of difficulty functioning of the basic mechanism).

Figure 5 shows:

16 - seat (removable folding chair);

17 - actuator;

18 - RPC;

19 is a diagram of the position of the centre of gravity when max eccentricity and 0 pitch.

20 - ratchet.

The advantages claimed the devices are:

- high permeability, providing effective overcoming of obstacles in the environment cross-country;

- resistance disinhibited drive spontaneous rolling on the slope;

- no parts requiring complex manufacturing methods.

3. SAMADIYAMI STEPPING WHEEL (OPTIONS)applicable to the carriage clambering all-terrain vehicle", "roofing wiper", wheelchair all terrain

The device relates to a mechanical propulsion with alternately-return horizontal and vertical movement of the working body and can be used to implement a transportation device which performs the function of a pulsating VM and CPU working body to be Alenia obstacles (for example, wheelchair-terrain suspension "clambering all-terrain vehicle", "roofing janitor").

The purpose of the requested object: 1) the most simple propulsion device that implements the function of the pulsed VM and regular motion of the points of the working surface of the mover on quasicyclic (quasicyclic curve rolling on indirect (non-planar) surface) trajectories of varying amplitude, mechanically associated with the rotation of the working body mechanism to effectively overcome travel barriers (roughness, soil, snow, ice accumulation); 2) movement in the absence of application VMS attached to the shaft of the wheel.

These goals are achieved by the fact that 1) the surface of the thruster - wheel - has a non-circular shape; 2) shape wheel adjustable.

Option 1 (6, 7, 8): the working surface of the thruster - wheel - has (lateral projection) the shape of a truncated circle.

Option 2 (Fig.9): Device for option 1, wherein curved segments truncate the circumference of the working surface.

Option 3 (figure 10): the Device according to var, 2, different rounding mates circles and segments truncation.

Option 4 (11, 12): Device ver, 3, featuring a host of permanent dynamic adjustment (25, 29, 33) of curvature of the working surface (node extension segments (22) - example 1 knot is changing the shape of the segments (27, 30, 31) are examples 2, 3).

Example 1 option 4 schematically represented at 11:

22 - retractable segment (dashed - limits the stroke of the segment);

23 - the part of the working surface of the permanent form;

24 - nominating spring;

25 controller extension segment.

Example 2 option 4 schematically presented in Fig:

the 26 - part of the working surface of the permanent form;

27 - pneumatically (or hydraulically) adjustable segments (dashed - adjustment range form segments);

28 - skeleton wheels;

29 is a pressure regulator in the host changes the shape of the segments.

Example 3 (with a two-level adjustment form segments) option 4 schematically presented in Fig:

30 - pneumatically (or hydraulically) adjustable segments of the first level (the dotted line is the range of adjustment of the form of segments);

31 - pneumatically (or hydraulically) adjustable segments of the second level;

32 - round skeleton wheels;

33 - pressure control node changes the shape of the segments.

The advantages claimed are:

- ability to effectively overcome travel barriers of any form in the environment, unprepared for the operation of typical mechanisms and machines;

- the possibility of moving without the application VM to the shaft of the wheel - samadiyami stepping wheel (SSC).

4. CLUTCH-WHEEL PRECESSION variable prodelin the second positioning for "roofing wiper", applicable in a wheelchair all terrain

The device relates to a mechanical transmission torque and can be used for mechanization of labor-intensive operations.

The purpose of the requested object is a combined mechanical transmission (combining in a single detail useful features three couplings, wheels and bushings longitudinal sliding of the shaft), creating a useful precession (deviation from circular rotation) of the working body, limited add him two translational degrees of freedom (longitudinal - managed move it to a specified distance and transverse - vibration) to the main rotary.

This goal is achieved by the fact that the outer part of the coupling (34) represents the wheel mechanical couple (35), and the inner part is a collet nut (37) longitudinal sliding shaft (37) with a non-circular cross-section (Fig). On Fig shown (example clutch-wheel):

34 - coupling;

35 - wheel mechanical couples;

36 - spring release tab collet sleeve;

37 - torsion shaft is oval in cross-section.

Option 1: the above-mentioned wheel - driven part of the gear pair.

Option 2: the above-mentioned wheel - driven part of the chain pairs.

Option 3: the above-mentioned wheel - driven pulley of a belt.

The principle of operation described couplings: before turning on the drive the collet press, providing longitudinal stroke of the shaft, will vydvigayut it in working position (to desired length), then allow the collet to compress and grip the shaft coupling on the side opposite to the working body.

5. "ROOFING JANITOR" (CD)

KD refers to portable hardware cleaning hard-to-reach building surfaces (roofs, the top of the Gables and the like) from snow, ice, old plaster and the like), can be used for mechanization of maintenance and repair of the buildings.

The purpose of the declared object - portable technical means of mechanization of cleaning hard-to-reach building surfaces.

This goal is achieved by the fact that the transport mechanism (chassis 38) of the claimed device (Fig) is made on the basis SSC (see section 3), and the working body (coupled with his engine by means of transversely-flexible retractable transfer - precession clutch-wheel (39) (see section 4) with a longitudinally-sliding) landing transversely flexible torsion [1, s] the shaft (40), consists of a cylindrical Assembly of replaceable brushes (41), the stiffness and dimensions are adapted to the particular type of work (sufficient for destruction remove when cleaning the material and insufficient to fracture of the base material, such as roofing).

Example KD

On Fig shown:

38 - wheel drive chassis with HQ on torsion shafts;

39 - clutch-wheel drive working'or is Ana;

40 - torsion shaft of the working body;

41 is a cylindrical Assembly replaceable brushes (working body - the final stage of the actuator);

42 stop beating the free end of the shaft (trumpet, console);

43 - clamping element (cargo).

An advantage of the claimed device here is the mechanization dangerous and heavy work, still not mechanized.

6. WHEELCHAIR terrain (ICPP)

The device relates to transport means individual movement of people with disabilities and can be used for a good overcome their obstacles (stairs, curbs and the like).

The purpose of the declared object transport means the movement of people with disabilities apply for a comfortable overcome travel barriers.

This goal is achieved by the fact that the seat payload (disabled) made in the form of comfortable chairs, and a transport mechanism of the device with alternately-return horizontal and vertical movement of the working body is made based RPC (implements the function of the pulsed VM and alternately-return CPU driven wheel RPC, see section 1) with adjustable eccentricity; the dimensions and weight of the device with politehnicheskai not exceed the allowable size and weight roaming in a typical passenger Elevator, cargo (the condition of applicability in everyday life), the center of gravity of the device payload equidistant from the points of support of the device on the ground and below the payload when the pitch of the devices needed to overcome obstacles, geometrically forming the outermost points of support the lens with sharp angles at the bases of the lateral faces and stupid at the vertices (the condition of safety from tipping over when the pitch).

Option 1 ICP (see figure 5, description. p.4): ICP using adjustable front EP with hand lever is reversible ratchet drive and a working body in the form of a 4 wheel bike with large relief protectors mounted on the frame.

Option 2 ICPP: ICP (analogously to example 1) with self-contained electric drive is powered by a battery (key), manual drive (backup) and samovyravnivayuschey winch with ratchet [1, s] for cases of difficulty functioning of the basic mechanism).

Option 3: similar to the examples 1, 2, using HQ and cantway precession of the clutch-wheel (see section 4) with the torsion shaft (to absorb shocks when driving, and also to adjust the transverse dimension ICPP when passing ICP narrow passages).

The advantages claimed the devices are:

- higher patency of vehicles for people with disabilities in what capacity, providing a more comfortable overcoming their obstacles in a domestic environment;

- resistance mechanism drive spontaneous rolling on the slope;

the manufacturability of the design;

- transformable transverse dimensions;

- backup alternative drive with low power consumption (option 3).

The group described here are devices combined:

General the main purpose is to overcome travel barriers transport mechanism without peak pulse load on the engine caused by these obstacles;

- General design features that implement the principle of a special form of a combination of mechanical degrees of freedom of the CPU.

SOURCES of INFORMATION

1. Polytechnical dictionary, editor-in-chief II Artobolevsky I.I., M, "SE", 1976.

1. Mechanical transmission on the basis of wheel pairs, wherein the geometric axis of the wheels of the main stage transmission are connected by a thrust; driving and driven shafts of the wheels eccentrically offset relative to the geometric axis by an amount proportional to the required ripple torque and cylindrical precession of the driven wheel, the distance between the shafts is equal to the distance between the axes of the access of small mechanical artifacts (< value tooth wheel) - eccentric transmission.

2. The device according to claim 1, characterized in that on the main stage made in the form of eccentric gear wheelset with gear ratio Z=1.

3. The device according to claim 1, characterized in that it incorporates a mechanism for controlling the eccentricity of the axle and spring draught (Z>1/Z<1).

4. The device according to claim 1, characterized in that the main stage is executed in the form of a chain eccentric wheel pair (Z>1/Z<1).

5. The device according to claim 4, characterized in that it incorporates a mechanism for controlling the eccentricity and the compensator artifacts engagement.

6. The transport device with alternately-return horizontal and vertical movement of the working body, characterized in that the mechanism of the device is made on the basis of the eccentric transmission according to claim 1 with adjustable eccentricity.

7. The transport device according to claim 6, characterized in that the center of gravity of the device with useful cargo equidistant from the points of support of the device on the ground and below the payload at the desired pitch of the device, forming geometrically with the most remote points of support the lens with sharp angles at the bases of lateral sides and a blunt in the top of the prism, and the shape, dimensions and weight of the device with a payload similar to the parameters of standard wheelchairs.