CN2417971Y - Self-adaptive roller device for long annular track - Google Patents

Abstract

The utility model discloses a long ring rail self-adaptation gyro wheel device, it hangs vertical scroll support body 9 supporting on long ring rail 3 with the help of two gyro wheels 4, two gyro wheels 4 realize the linkage through the mechanical cooperation between the long circular hole groove 7 on the slide pin 6 on the area round pin link rod 1 and the slot hole link rod 8, make two gyro wheels 4 resistance that receives when the motion balanced mutually, consequently, no matter at long ring rail 3's straight line track section or at the circular arc track section, two gyro wheels 4 homoenergetic automatic adaptation track shape, keep its axial lead and long ring rail 3's curvature radius direction convergence promptly automatically. The utility model discloses simple structure, the motion resistance is little, and the practicality is strong, and the application is wide.

Description

Long circular orbit self adaptation roller devices

The utility model relates to the long circular orbit self adaptation of a kind of level roller devices, particularly a kind of roller devices of the long circular orbit of level of plates of automobile trimming device repair platform.

Prior art discloses the long circular orbit roller devices of a kind of level, as depicted in figs. 1 and 2, it is by long circular orbit 3, roller 4, horizontal roller axle 2, vertical shaft 5, link rod 12 and vertical shaft support body 9 constitute, long circular orbit 3 is formed by straightway and the smooth-going connection of arc section, long circular orbit 3 is positioned at horizontal plane, for keeping 9 supportings of vertical shaft support body stable, on the sustained height position, should there be two identical rollers 4 arranged side by side axisymmetricly, roller 4 is sleeved on the horizontal roller axle 2 that is fixed on link rod 12, link rod 12 can be around vertical shaft 5 swings, both sides link rod 12 is discrete, unrelated restriction, the desirable orientation of horizontal roller axle 2 axis should be to coincide with the radius of curvature direction of long circular orbit 3 all the time, motive force acts on vertical shaft support body 9 and guides the round steel barrel shift of the long circular orbit 3 in lower edge in the supporting of roller 4, owing to have frictional resistance between the round steel of roller 4 and long circular orbit 3, the radius of curvature direction that makes horizontal roller axle 2 be difficult to remain with long circular orbit 3 coincides, the round steel generation jam that beat is directed at roller 4 and long circular orbit 3 very easily takes place, vertical shaft support body 9 even can't move in the time of seriously.

The purpose of this utility model provides the long circular orbit roller devices of a kind of improved level, this roller devices makes two rollers and horizontal roller axle realize axial symmetry mechanical linkage in horizontal plane, two rollers condition each other and keep synchronously radius of curvature direction advolution with long circular orbit, therefore, resistance during the displacement of vertical shaft support body reduces greatly, and simple in structure.

For achieving the above object, the technical solution adopted in the utility model is: the utility model comprises long circular orbit, roller, the horizontal roller axle, vertical shaft, the slotted hole link rod, slotted hole, band pin link rod, sliding pin, the vertical shaft support body, bearing pin and deep groove ball bearing, two rollers contact and are sleeved on the horizontal roller axle with the round steel of long circular orbit, two vertical shafts vertically are connected on the vertical shaft support body symmetrically, its design feature is: two horizontal roller axles symmetry respectively are fixed on the slotted hole link rod and are with the outside one end of selling link rod, the stage casing of slotted hole link rod and band pin link rod all is processed with cylindrical hole, this hole and vertical shaft suit, vertical shaft axis and horizontal roller axis are orthogonal space, the inboard end of band pin link rod is forked open slot and is fixed with sliding pin, sliding pin axis and the vertical shaft axis parallel co-planar of being with pin link rod institute suit, this plane and perpendicular with the band pin horizontal roller axis that link rod was connected, the inboard end of slotted hole link rod is processed with slotted hole, the vertical shaft axis coplane of vertical symmetrical centre plane of slotted hole and slotted hole link rod institute suit, and it is perpendicular with the horizontal roller axis that the slotted hole link rod is connected, the inboard end of slotted hole link rod is inserted in the forked open slot of band pin link rod, mechanical interference does not take place in the two, the width dimensions of slotted hole is slightly larger than the sliding pin diameter d, and sliding pin is sleeved in the slotted hole of slotted hole link rod.Mechanical interference does not take place in slotted hole two ends and sliding pin.

In the said apparatus, be preferably in the vertical shaft support body bottom bearing pin that is connected, deep groove ball bearing is tightly packed on the bearing pin and with long circular orbit bottom surface and contacts.

In the said apparatus, when the vertical shaft support body was positioned at the arc-shaped rail of long circular orbit, both sides horizontal roller axis relative tilt formed angle 2 α in horizontal plane, be calculated as follows: $\mathrm{\α}=t{g}^{-1}\left(\frac{m}{R+n}\right)+\mathrm{Si}{n}^{-1}\left(\frac{S/2}{\sqrt{{(R+n)}^2+m^2}}\right)\·\·\·\·\·\·\·\·\left(1\right)$ In the formula: R---the effective radius of long circular orbit circular arc bend

S---the distance of two vertical shaft axis

The vertical range of M---vertical shaft axis and horizontal roller axis

The radial symmetric central plane of the circumference annular groove of N---roller is to corresponding vertical shaft axis

Apart from the sliding pin axis to the vertical shaft axis of band pin link rod suit apart from e, be calculated as follows: $e=S(1-\frac{1}{2\mathrm{COS\&alpha;}})\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(2\right)$ The length l of the slotted hole on the slotted hole link rod is calculated as follows: $l\&GreaterEqual;S(\frac{1}{\mathrm{COS\&alpha;}}-1)+d\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(3\right)$ Vertical shaft axis on the slotted hole link rod to the slotted hole near-end apart from a, be calculated as follows: $\mathrm{\&alpha;}\&le;e-\frac{\mathrm{<figure-callout\; id="2"\; label="d"\; filenames="0020240500082.png,0020240500091.png"\; state="\{\{state\}\}">d</figure-callout>}}{2}\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\&CenterDot;\left(4\right)$

Vertical shaft support body of the present utility model by two roller hanger bearings at long circular orbit soil, when enforcing the vertical shaft support body, roller begins to roll along the round steel of long circular orbit, the frictional resistance that exists between the two, the slotted hole link rod and the band pin link rod that are sleeved on two vertical shafts are subjected to and the opposite torque of the vertical shaft support body direction of motion, but owing to have the mechanical linkage that is combined into by slotted hole and sliding pin between slotted hole link rod and the band pin link rod, just the rotation trend that torque produced that is subjected to is separately balanced out dexterously, no matter the straightway at long circular orbit still is not always the case at arc section, and two rollers and horizontal roller axis are achieved with the function of long circular orbit radius of curvature direction advolution automatically.

The utility model is simple in structure, and the resistance of motion is little, has good practicality, only in the straightway and the arc section connection place of long circular orbit error is arranged slightly, all in engineering is used allowed band.

Below in conjunction with drawings and Examples the utility model is described further.

Fig. 1 is the floor map of long circular orbit in prior art and the utility model.

Fig. 2 is the prior art constructions diagrammatic top view.

Fig. 3 is the structural representation vertical view of the utility model embodiment.

Fig. 4 is the B-B cutaway view of Fig. 3.

Fig. 5 is the A-A cutaway view of Fig. 3.

Fig. 6 is the working state schematic representation of utility model embodiment when being positioned at the arc section of long circular orbit.

1. band pin link rods, 2. horizontal roller axles, 3. long circular orbit 4. rollers 5. vertical shafts 6. sliding pins 7. slotted holes 8. slotted hole link rods 9. vertical shaft support bodys 10. bearing pins 11. deep groove ball bearings among the figure

At Fig. 3, Fig. 4 and embodiment illustrated in fig. 5 in, two rollers 4 contact and are sleeved on the horizontal roller axle 2 with the round steel of long circular orbit 3, two vertical shafts 5 vertically are connected on the vertical shaft support body 9 symmetrically, the vertical shaft support body 9 bottoms bearing pin 10 that is connected, deep groove ball bearing 11 is tightly packed on the bearing pin 10 and with long circular orbit 3 bottom surfaces and contacts, two horizontal roller axles 2 symmetry respectively are fixed on slotted hole link rod 8 and are with the outside one end of selling link rod 1, the stage casing of slotted hole link rod 8 and band pin link rod 1 all is processed with cylindrical hole, this hole and vertical shaft 5 suits, vertical shaft 5 axis and horizontal roller axle 2 axis are orthogonal space, band pin link rod 1 an inboard end is forked open slot and is fixed with sliding pin 6, sliding pin 6 axis and the vertical shaft 5 axis parallel co-planar of being with 1 suit of pin link rod, this plane and perpendicular with horizontal roller axle 2 axis of being with pin link rod 1 to be connected, slotted hole link rod 8 inboard ends are processed with slotted hole 7, the vertical shaft 5 axis coplanes of vertical symmetrical centre plane of slotted hole 7 and 8 suits of slotted hole link rod, and it is perpendicular with horizontal roller axle 2 axis that slotted hole link rod 8 is connected, slotted hole link rod 8 inboard ends are inserted in the forked open slot of band pin link rod 1, mechanical interference does not take place in the two, the width of slotted hole 7 is 18.1mm, be slightly larger than the diameter d=18mm of sliding pin 6, sliding pin 6 is sleeved in the slotted hole 7 of slotted hole link rod 8.Mechanical interference does not take place in slotted hole 7 two ends and sliding pin 6.

As shown in Figure 6, when the vertical shaft support body 9 of present embodiment was positioned at the arc-shaped rail of long circular orbit 3, horizontal roller axle 2 axis relative tilts in both sides formed angle 2 α in horizontal plane, be calculated as follows:

In the formula: R---the effective radius of long circular orbit 3 arc section tracks is 692mm

S---the distance of two vertical shafts, 5 axis is 250mm

The vertical range of M---vertical shaft 5 axis and horizontal roller axle 2 axis is

50mm

The radial symmetric central plane of the circumference annular groove of N---roller 4 is to corresponding

The distance of vertical shaft 5 axis be 50mm sliding pin 6 axis to vertical shaft 5 axis of band pin link rod 1 suit apart from e, be calculated as follows:

Slotted hole 7 length l on the slotted hole link rod 8 are calculated as follows: The actual l=30mm that gets, vertical shaft 5 axis on the slotted hole link rod 8 to slotted hole 7 near-ends apart from a, be calculated as follows: $\mathrm{\&alpha;}\&le;e-\frac{\mathrm{<figure-callout\; id="2"\; label="d"\; filenames="0020240500082.png,0020240500091.png"\; state="\{\{state\}\}">d</figure-callout>}}{2}=112.43\mathrm{mm}$ The actual a=110mm that gets.

Claims (2)

1, a kind of long circular orbit self adaptation roller devices, comprise long circular orbit (3), roller (4), horizontal roller axle (2), vertical shaft (5), slotted hole link rod (8), Chang Yuan hole (7), band pin link rod (1), sliding pin (6), vertical shaft support body (9), bearing pin (10) and deep groove ball bearing (11), two rollers (4) contact and are sleeved on the horizontal roller axle (2) with the garden steel of long circular orbit (3), two vertical shafts (5) vertically are connected on the vertical shaft support body (9) symmetrically, it is characterized in that: two horizontal roller axles (2) symmetry respectively are fixed on slotted hole link rod (8) and are with the outside one end of selling link rod (1), the stage casing of slotted hole link rod (8) and band pin link rod (1) all is processed with post hole, garden, this hole and vertical shaft (5) suit, vertical shaft (5) axis and horizontal roller axle (2) axis are orthogonal space, the inboard end of band pin link rod (1) is forked open slot and is fixed with sliding pin (6), sliding pin (6) axis and vertical shaft (5) the axis parallel co-planar of being with pin link rod (1) institute suit, this plane and perpendicular with horizontal roller axle (2) axis of being with pin link rod (1) to be connected, the inboard end of slotted hole link rod (8) is processed with Chang Yuan hole (7), vertical shaft (5) the axis coplane of vertical symmetrical centre plane in Chang Yuan hole (7) and slotted hole link rod (8) institute suit, and it is perpendicular with horizontal roller axle (2) axis that slotted hole link rod (8) is connected, the inboard end of slotted hole link rod (8) is inserted in the forked open slot of band pin link rod (1), mechanical interference does not take place in the two, the width in Chang Yuan hole (7) is slightly larger than the diameter of sliding pin (6), sliding pin (6) is sleeved in the Chang Yuan hole (7) of slotted hole link rod (8), and mechanical interference does not take place for (7) two ends, Chang Yuan hole and sliding pin (6).

2, according to the described long circular orbit self adaptation roller devices of claim 1, it is characterized in that vertical shaft support body (9) the bottom bearing pin (10) that is connected, deep groove ball bearing (11) is tightly packed in bearing pin (10) and goes up and contact with long circular orbit (3) bottom surface.

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