CN109026991B - Up-down guiding type right-angle steering system - Google Patents
Up-down guiding type right-angle steering system Download PDFInfo
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- CN109026991B CN109026991B CN201811038872.1A CN201811038872A CN109026991B CN 109026991 B CN109026991 B CN 109026991B CN 201811038872 A CN201811038872 A CN 201811038872A CN 109026991 B CN109026991 B CN 109026991B
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- Prior art keywords
- rail
- rotary
- slide rail
- fixed
- sliding rail
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7484—Details concerning gearing arrangements, e.g. multi-speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of machinery. An up-down guiding type right-angle steering system comprises an upper sliding rail mechanism and a lower sliding rail mechanism; the lower sliding rail mechanism comprises an L-shaped bent base, two fixed sliding rails and a rotary sliding rail, the two fixed sliding rails are respectively and fixedly arranged above the two right-angle side edges of the base, and the rotary sliding rail is rotatably arranged above the right-angle position of the base; the rotary slide rail is alternatively butted with the two fixed slide rails to form a linear guide rail through the rotation of the rotary slide rail; the upper sliding rail mechanism comprises an upper sliding rail with an L-shaped guiding direction; the device also comprises a movement mechanism which moves along the upper sliding rail mechanism and the lower sliding rail mechanism, a lower sliding block which is connected with the linear guide rail in a sliding way is arranged below the movement mechanism, and an upper sliding block which is connected with the upper guide rail in a sliding way is arranged above the movement mechanism; the motion mechanism is provided with a driving mechanism for driving the motion mechanism to move and also comprises a rotary driving mechanism for driving the rotary slide rail to rotate. The walking track of the walking mechanism is conveniently bent at right angles.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a steering system.
Background
Some automatic equipment installed on a sliding rail on the market at present need to complete circular motion, when the automatic equipment turns, a circular arc sliding rail is generally matched with a rack structure with a corresponding radian, and a gear and a rack of the automatic equipment are meshed and driven to complete circular arc circular motion. The structure can complete the steering and circular motion of the automatic equipment, but the lower sliding block moves on the sliding rail, so the sliding rail is required to have a radian with a larger radius, and correspondingly occupies a larger space; meanwhile, the slide rail and the rack are difficult to process and high in cost.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides an up-down guiding type quarter steering system to solve at least one of the above technical problems.
The technical scheme of the invention is as follows: an up-down guiding type right-angle steering system is characterized by comprising an upper sliding rail mechanism and a lower sliding rail mechanism which are arranged up and down;
the lower sliding rail mechanism comprises a base, two fixed sliding rails and a rotary sliding rail, the two fixed sliding rails are respectively and fixedly arranged above the base, the guiding directions of the two fixed sliding rails are mutually vertical, and the rotary sliding rail is rotatably arranged above the base; through the rotation of the rotary slide rail, the rotary slide rail is respectively and alternately butted with the two fixed slide rails to form a linear guide rail with a linear guide direction;
the upper sliding rail mechanism comprises an upper sliding rail with an L-shaped guiding direction;
the linear guide rail is arranged on the upper guide rail, the upper guide rail is arranged on the lower guide rail, the lower guide rail is arranged on the upper guide rail, the upper guide rail is arranged on the lower guide rail, and the lower guide rail is arranged on the lower guide rail; the motion mechanism is also provided with a driving mechanism for driving the motion mechanism to move, and the driving mechanism comprises a speed reducing motor and a driving gear sleeved on a power output shaft of the speed reducing motor;
the rack mechanism is arranged on the base and comprises two straight racks and an arc rack, the guide directions of the two straight racks are respectively parallel to the guide directions of the two fixed slide rails, the two straight racks are respectively positioned on the outer sides of the two fixed slide rails, and the arc rack is positioned between the two straight racks;
the tensioning mechanism drives the rotary slide rail to rotate by giving traction to the movement mechanism, one end of the tensioning mechanism is connected with the front end of the movement mechanism in the movement direction, and the other end of the tensioning mechanism is fixedly arranged on the inner side of the base;
the device also comprises a reset mechanism for driving the rotary slide rail to reset after rotating.
This patent is through optimizing right angle a steering system's structure, and the walking orbit of being convenient for realize running gear is the right angle form of buckling. The driving gear drives the traveling mechanism to move on the lower sliding rail mechanism, and the device capable of automatically completing right-angle steering enables the traveling mechanism to automatically complete rectangular annular motion, occupies a small space, and has low processing cost integrally.
During operation, gear motor drives drive gear rotatory, drive gear and rack mechanism meshing, drive the motion, the motion is constructed and moved, the motion orbit of lower slider is at first all on fixed slide rail, then the part gets into rotatory slide rail, the part still does not leave fixed slide rail, tensioning force of straining device this moment, because the lower slider does not break away from fixed track completely and can not realize the pulling to the motion, under drive gear's continuous drive, the lower slider all drops fixed slide rail, get into rotatory slide rail, this moment because rotatory slide rail is rotatable, under the effect of the tensioning force of straining device, pulling rotatory slide rail rotates, dock with another fixed slide rail, realize the deflection of motion direction. When the lower sliding block is separated from the rotary sliding rail, the rotary sliding rail returns to the original position under the action of the reset mechanism to prepare for the next rotation. In such a way, the right-angle steering system is arranged at four corners of the rectangular track, so that unidirectional automatic annular motion can be realized, and a rectangular annular working device with small occupied space can be realized.
The sliding rail enters the rotating sliding rail from the fixed sliding rail, under the action of the tensioning mechanism, the moving mechanism rotates for 90 degrees and then enters the fixed sliding rail on the other side of the right angle, and the rotating sliding rail returns to the original position under the action of the resetting mechanism and is ready for next rotation. In such a way, the right-angle steering system is arranged at four corners of the rectangular track, so that unidirectional automatic annular motion can be realized, and a rectangular annular working device with small occupied space can be realized.
The driving gear is positioned at the outer side of the moving mechanism close to the upper sliding block. That is, the distance direction between the central axis of the driving gear and the central axis of the upper slider is perpendicular to the arrangement direction of the lower sliders. The steering effect of the movement mechanism is convenient to ensure.
And the lower sliding rail mechanism is provided with a limiting structure for limiting the rotating angle of the rotating sliding rail.
The end surfaces of two sides of the rotary slide rail in the guiding direction are inclined planes which form an acute angle with the guiding direction of the rotary slide rail;
when the rotary slide rail is butted with any one of the two fixed slide rails, the two fixed slide rails are respectively contacted with the end surfaces at the two sides of the rotary slide rail, and the side surfaces of the fixed slide rails, which are contacted with the rotary slide rail, are matched with the inclined surface;
and the inclined surface on the rotary slide rail and the side surface on the fixed slide rail which are matched with each other are used as the limiting structure.
The limiting effect between the fixed slide rail and the rotary slide rail after the rotary slide rail rotates by 90 degrees is convenient to realize.
Other forms can also be adopted to realize the limit of the rotating angle of the rotating slide rail, and then the butt joint with the two fixed slide rails is realized. Such as a stop block mounted on the fixed slide rail adjacent to the interfacing rotary slide rail.
And a baffle is arranged on the outer side of the rack mechanism, and a gap between the baffle and the rack mechanism is used as a movement space of the driving gear.
Through the baffle, be convenient for guarantee drive gear and rack mechanism meshing all the time. Through the synergistic action of baffle and straining device, further guarantee that the motion enters the fixed slide rail of right angle another side after rotating 90 degrees.
All lower sliding blocks below the moving mechanism are sliding block units, and the length of each sliding block unit in the arrangement direction of the lower sliding blocks is smaller than that of each sliding block unit in the guide direction of the rotary sliding rail.
The tensioning mechanism comprises a take-up reel with an automatic cord recovery mechanism, and the cord wound on the take-up reel is connected with the front end of the movement mechanism in the movement direction.
The moving mechanism is pulled through the take-up reel, and then the rotary slide rail is driven to rotate. The take-up reel with the automatic cord recovery mechanism is the prior art, so this patent does not describe its structure in detail.
The reset mechanism is a spring, one end of the spring in the elastic direction is connected with the rotary slide rail, and the other end of the spring is connected with the base.
The resetting of the rotary slide rail after rotation is convenient to realize.
The base is provided with an extension section extending inwards;
the tensioning mechanism comprises a rotary sleeve which is rotatably arranged on the extension section, a fixed shaft which extends vertically and upwards is arranged on the extension section, the periphery of the fixed shaft is rotatably connected with the rotary sleeve through a bearing, and the rotary sleeve is connected with the take-up reel through a connecting piece;
the connecting piece is a pull rope, a silk thread, a pull belt or a rod body.
The problem of wire winding caused in the movement process of the movement mechanism is prevented.
A notch for installing a fixed seat is formed in the corner of the base, and the fixed seat is connected with the base;
the fixing seat is rotatably connected with a rotating seat, and the rotating slide rail is fixedly connected with the rotating seat.
The free rotation of the rotary slide rail is convenient to realize.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a partial structure at a right angle according to the present invention.
In the figure: the automatic winding device comprises a rotary sliding rail 1, a baffle 2, a straight rack 3, a fixed sliding rail 4, a base 5, a fixed shaft 6, a rotary sleeve 7, a take-up reel 8, a cord 9, a movement mechanism 10, an arc rack 11, a driving gear 12, an upper guide rail 13, an upper sliding block 14, a lower sliding block 15, a rotary seat 16, a speed reduction motor 17, a fixed seat 18 and a spring 19.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an up-down guiding type right angle steering system includes an upper slide rail mechanism and a lower slide rail mechanism which are arranged up and down, a moving mechanism 10 which moves along the upper slide rail mechanism and the lower slide rail mechanism, a rack mechanism which is meshed with a driving gear 12, a rotation driving mechanism for driving the rotation of the rotation slide rail, and a reset mechanism for driving the rotation slide rail to reset after rotating.
The upper rail mechanism includes an upper rail 13 having an L-shaped guide direction.
The lower sliding rail mechanism comprises an L-shaped bent base 5, two fixed sliding rails 4 and a rotary sliding rail 1, wherein the two fixed sliding rails 4 are respectively and fixedly arranged above the two right-angle sides of the base 5, and the rotary sliding rail 1 is rotatably arranged above the right-angle part of the base 5; through the rotation of the rotary slide rail, the rotary slide rail 1 is respectively and alternately butted with two fixed slide rails 4 to form a linear guide rail with a linear guide direction. The end surfaces of two sides of the rotary slide rail 1 in the guiding direction are inclined planes which form an acute angle with the guiding direction of the rotary slide rail; when the rotary slide rail is in butt joint with any one of the two fixed slide rails, the two fixed slide rails are respectively in contact with the end faces of the two sides of the rotary slide rail, and the side faces of the fixed slide rails, which are in contact with the rotary slide rail, are matched with the inclined planes. The limiting effect between the fixed slide rail and the rotary slide rail after the rotary slide rail rotates by 90 degrees is convenient to realize. A notch for installing a fixed seat 18 is formed in the corner of the base 5, and the fixed seat 18 is connected with the base 5; the fixed seat 18 is rotatably connected with a rotary seat 16, and the rotary slide rail is fixedly connected with the rotary seat 16. The free rotation of the rotary slide rail is convenient to realize.
Above the movement mechanism 10, at least two upper sliders 14 are arranged in a row and slidably connected to the upper guide rail 13, and the upper sliders 14 are a rotary body (preferably, a cylinder). The movement stability of the movement mechanism 10 is realized through the slide rail mechanism and the upper guide rail 13 which are arranged up and down. A lower slider 15 connected with the linear guide rail in a sliding manner is arranged below the movement mechanism 10, and the lower slider 15 is a revolving body. The 90-degree rotation of the movement mechanism at the right angle is convenient to realize. The movement mechanism 10 is also provided with a driving mechanism for driving the movement mechanism 10 to move, and the driving mechanism comprises a speed reducing motor 17 and a driving gear 12 sleeved on a power output shaft of the speed reducing motor; the rack mechanism is installed on the base 5 and comprises two straight racks 3 and an arc rack 11, the two straight racks 3 are respectively positioned on the outer sides of the two fixed slide rails, and the arc rack 11 is positioned between the two straight racks 3. A baffle plate 2 is arranged on the outer side of the rack mechanism, and a gap between the baffle plate 2 and the rack mechanism is used as a movement space of the driving gear 12. Through the baffle, be convenient for guarantee drive gear and rack mechanism meshing all the time. Through the synergistic action of baffle and straining device, further guarantee that the motion enters the fixed slide rail of right angle another side after rotating 90 degrees.
The rotary driving mechanism comprises a tensioning mechanism which drives the rotary slide rail to rotate by giving traction to the moving mechanism, one end of the tensioning mechanism is connected with the front end of the moving direction of the moving mechanism 10, and the other end of the tensioning mechanism is fixedly arranged on the inner side of the base 5. The base is provided with an extension section extending inwards. The tensioning mechanism comprises a take-up reel 8 with an automatic cord recovery mechanism, and a cord 9 wound on the take-up reel 8 is connected with the front end of the movement mechanism 10 in the movement direction. The tensioning mechanism comprises a rotary sleeve 7 which is rotatably arranged on the extension section, a fixed shaft 6 which extends vertically and upwards is arranged on the extension section, the periphery of the fixed shaft 6 is rotatably connected with the rotary sleeve 7 through a bearing, and the rotary sleeve is connected with the take-up reel through a connecting piece; the connecting piece is a pull rope, a silk thread, a pull belt or a rod body. The problem of wire winding caused in the movement process of the movement mechanism is prevented.
The driving gear is positioned at the outer side of the moving mechanism close to the upper sliding block. That is, the distance direction between the central axis of the driving gear and the central axis of the upper slider is perpendicular to the arrangement direction of the lower sliders. The steering effect of the movement mechanism is convenient to ensure.
The reset mechanism is a spring 19, one end of the spring 19 in the elastic direction is connected with the rotary slide rail, and the other end of the spring is connected with the base 5. The resetting of the rotary slide rail after rotation is convenient to realize.
This patent is through optimizing right angle a steering system's structure, and the walking orbit of being convenient for realize running gear is the right angle form of buckling. The driving gear 12 drives the traveling mechanism to move on the sliding rail mechanism, and the device capable of automatically completing right-angle steering enables the traveling mechanism to automatically complete rectangular annular motion, occupies a small space, and has low processing cost integrally.
During operation, gear motor 17 drives drive gear 12 to rotate, and drive gear 12 meshes with rack mechanism, drives motion 10 and moves, enters into rotatory slide rail 1 from fixed slide rail 4, and under straining mechanism's effect, motion 10 enters into the fixed slide rail 4 of right angle another side after rotatory 90 degrees, and rotatory slide rail 1 restores to the original position under the canceling release mechanical system effect, prepares for next rotation. In such a way, the right-angle steering system is arranged at four corners of the rectangular track, so that unidirectional automatic annular motion can be realized, and a rectangular annular working device with small occupied space can be realized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. An up-down guiding type right-angle steering system is characterized by comprising an upper sliding rail mechanism and a lower sliding rail mechanism which are arranged up and down;
the lower sliding rail mechanism comprises a base, two fixed sliding rails and a rotary sliding rail, the two fixed sliding rails are respectively and fixedly arranged above the base, the guiding directions of the two fixed sliding rails are mutually vertical, and the rotary sliding rail is rotatably arranged above the base; through the rotation of the rotary slide rail, the rotary slide rail is respectively and alternately butted with the two fixed slide rails to form a linear guide rail with a linear guide direction;
the upper sliding rail mechanism comprises an upper sliding rail with an L-shaped guiding direction;
the linear guide rail is arranged on the upper guide rail, the upper guide rail is arranged on the lower guide rail, the lower guide rail is arranged on the upper guide rail, the upper guide rail is arranged on the lower guide rail, and the lower guide rail is arranged on the lower guide rail; the motion mechanism is also provided with a driving mechanism for driving the motion mechanism to move, and the driving mechanism comprises a speed reducing motor and a driving gear sleeved on a power output shaft of the speed reducing motor;
the rack mechanism is arranged on the base and comprises two straight racks and an arc rack, the guide directions of the two straight racks are respectively parallel to the guide directions of the two fixed slide rails, the two straight racks are respectively positioned on the outer sides of the two fixed slide rails, and the arc rack is positioned between the two straight racks;
the tensioning mechanism drives the rotary slide rail to rotate by giving traction to the movement mechanism, one end of the tensioning mechanism is connected with the front end of the movement mechanism in the movement direction, and the other end of the tensioning mechanism is fixedly arranged on the inner side of the base;
the device also comprises a reset mechanism for driving the rotary slide rail to reset after rotating.
2. An up-down guided quarter turn system according to claim 1, wherein: and the lower sliding rail mechanism is provided with a limiting structure for limiting the rotating angle of the rotating sliding rail.
3. An up-down guided quarter turn system according to claim 2, wherein: the end surfaces of two sides of the rotary slide rail in the guiding direction are inclined planes which form an acute angle with the guiding direction of the rotary slide rail;
when the rotary slide rail is butted with any one of the two fixed slide rails, the two fixed slide rails are respectively contacted with the end surfaces at the two sides of the rotary slide rail, and the side surfaces of the fixed slide rails, which are contacted with the rotary slide rail, are matched with the inclined surfaces;
and the inclined surface on the rotary slide rail and the side surface on the fixed slide rail which are matched with each other are used as the limiting structure.
4. The up-down guide type quarter turn system according to claim 1, wherein all the down-sliders below said moving mechanism are a slider unit, and the length of the slider unit in the down-slider arrangement direction is smaller than the length of the rotary slide in the guide direction.
5. An up-down guided quarter turn system according to claim 1, wherein: and a baffle is arranged on the outer side of the rack mechanism, and a gap between the baffle and the rack mechanism is used as a movement space of the driving gear.
6. An up-down guided quarter turn system according to claim 1, wherein: the tensioning mechanism comprises a take-up reel with an automatic cord recovery mechanism, and the cord wound on the take-up reel is connected with the front end of the movement mechanism in the movement direction.
7. An up-down guided quarter turn system according to claim 1, wherein: the reset mechanism is a spring, one end of the spring in the elastic direction is connected with the rotary slide rail, and the other end of the spring is connected with the base.
8. An up-down guided quarter turn system according to claim 6, wherein: the base is provided with an extension section extending towards the inner side;
the tensioning mechanism comprises a rotary sleeve which is rotatably arranged on the extension section, a fixed shaft which extends vertically and upwards is arranged on the extension section, the periphery of the fixed shaft is rotatably connected with the rotary sleeve through a bearing, and the rotary sleeve is connected with the take-up reel through a connecting piece;
the connecting piece is a pull rope, a silk thread, a pull belt or a rod body.
9. An up-down guided quarter turn system according to claim 1, wherein: a notch for installing a fixed seat is formed in the corner of the base, and the fixed seat is connected with the base;
the fixing seat is rotatably connected with a rotating seat, and the rotating slide rail is fixedly connected with the rotating seat.
10. An up-down guided quarter turn system according to claim 1, wherein: the upper sliding block is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038872.1A CN109026991B (en) | 2018-09-06 | 2018-09-06 | Up-down guiding type right-angle steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038872.1A CN109026991B (en) | 2018-09-06 | 2018-09-06 | Up-down guiding type right-angle steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026991A CN109026991A (en) | 2018-12-18 |
| CN109026991B true CN109026991B (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811038872.1A Active CN109026991B (en) | 2018-09-06 | 2018-09-06 | Up-down guiding type right-angle steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026991B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192317A (en) * | 1984-10-11 | 1986-05-10 | Tsubakimoto Seikou:Kk | Ball bearing for straight linear motion |
| WO2005068859A1 (en) * | 2004-01-14 | 2005-07-28 | Timken Us Corporation | Roller bearing with gear assembly to synchronize races |
| DE202005005761U1 (en) * | 2005-04-11 | 2005-06-16 | Igus Gmbh | linear axis |
| CN105173674A (en) * | 2015-08-28 | 2015-12-23 | 江苏通达动力科技股份有限公司 | Conveying belt for right-angled steering conveying for sheet materials |
| ES2575123B2 (en) * | 2016-02-22 | 2016-11-04 | Luis Carrillo Lostao | Bearing assembly, beam arrangement for changing direction of a car with the bearing assembly and rail changing system with said bearing assembly and beam arrangement |
| CN207632045U (en) * | 2017-11-30 | 2018-07-20 | 四川凯达化工有限公司 | Right-angle steering conveyer belt |
-
2018
- 2018-09-06 CN CN201811038872.1A patent/CN109026991B/en active Active
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| CN109026991A (en) | 2018-12-18 |
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