CN108797872A - A kind of domed base of chain wheel drive - Google Patents
A kind of domed base of chain wheel drive Download PDFInfo
- Publication number
- CN108797872A CN108797872A CN201710298526.6A CN201710298526A CN108797872A CN 108797872 A CN108797872 A CN 108797872A CN 201710298526 A CN201710298526 A CN 201710298526A CN 108797872 A CN108797872 A CN 108797872A
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- CN
- China
- Prior art keywords
- base body
- sprocket wheel
- shaft
- chain
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/16—Roof structures with movable roof parts
- E04B7/163—Roof structures with movable roof parts characterised by a pivoting movement of the movable roof parts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a kind of domed bases of chain wheel drive, including annular base ontology, driving device, multiple idler pulley devices and limiting device；Driving device includes holder and the motor, reduction box, the sprocket wheel that are arranged on holder, and the output shaft of motor and the input shaft of reduction box are connected by belt, and the output shaft of reduction box is fixedly connected with the shaft of sprocket wheel, and sprocket wheel shaft is vertically arranged；Motor-driven drive sprockets rotate, and sprocket wheel is engaged with chain drives base body along its center rotating.Motor-driven drive sprockets rotate, sprocket wheel is engaged with chain drives base body along its center rotating, base body is movable to be arranged on the circular ring shape raceway that multiple support rollers form, it is rotated along the circular ring shape raceway that multiple support rollers form using frictional force base body, it is engaged with chain by sprocket wheel, it conveniently accurately controls, the rotational angle of dome can be accurately controlled.
Description
Technical field
The invention belongs to astronomical dome technical fields, and in particular to a kind of domed base of chain wheel drive.
Background technology
The driving device of existing astronomical dome is generally the idler wheel positioned at domed base bottom, and motor drives idler wheel rotation,
Domed base is driven to rotate using the frictional force of idler wheel and domed base, to realize that dome rotates, its volume is big heavy because of dome
Amount weight, therefore inertia is big in rotation process, control accuracy is poor, cannot accurately control its rotational angle.
Invention content
The purpose of the present invention is to provide a kind of domed base of chain wheel drive, solve in the prior art astronomical dome because of it
The big weight weight of volume, therefore inertia is big in rotation process, control accuracy is poor, the technology that cannot accurately control its rotational angle is asked
Topic.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of domed base of chain wheel drive, including annular base ontology, driving device, multiple idler pulley devices and limit dress
It sets；The driving device includes holder and the motor, reduction box, the sprocket wheel that are arranged on holder, the output shaft and reduction box of motor
Input shaft connected by belt, the output shaft of reduction box is fixedly connected with the shaft of sprocket wheel, and sprocket wheel shaft is vertically arranged；It is described
The inner peripheral surface of base body is fixedly installed roller chain, forms circular orbit, and circular orbit is coaxially disposed with base body, driving
Device is fixed by the bracket on ground, and positioned at the inside of base body, and sprocket wheel is engaged with roller chain；Each idler pulley dress
It sets including pedestal and the support roller being arranged on pedestal, the shaft of support roller is rotatably arranged on by bearing on pedestal, support roller shaft water
Flat setting；The multiple support roller equidistantly arranges that the top of multiple support rollers is in the same plane in a ring, base body activity
Formula is arranged on support roller, motor-driven drive sprockets rotation, and sprocket wheel is engaged with chain drives base body along its center rotating, multiple
The circular ring shape raceway and base body of support roller composition are coaxial；The quantity of the limiting device is identical as idler pulley device quantity, idler pulley
Device is fixed by pedestal on ground, and positioned at the inside of base body；Each limiting device includes the limit being arranged on pedestal
Position idler wheel, limited roller are rotatablely connected by first rotating shaft and pedestal, and first rotating shaft is vertically arranged, and multiple limited rollers are in a ring
Setting, and the surface of limited roller is contacted with the inner peripheral surface of base body, and the height of limited roller is higher than sprocket wheel.
Motor-driven drive sprockets rotate, and sprocket wheel is engaged with chain drives base body along its center rotating, and base body is lived
Dynamic formula is arranged on the circular ring shape raceway that multiple support rollers form, the circular ring shape formed along multiple support rollers using frictional force base body
Raceway rotates, and is engaged with chain by sprocket wheel, is conveniently accurately controlled, can accurately control the rotational angle of dome.
By the way that multiple limiting devices are arranged, it is equivalent to one cylinder of setting, base body is set on cylinder, prevents from turning
During dynamic, deviate, de-orbits on the inside or outside of base body phase, improve the stability of entire dome, while limiting dress
It sets and is contacted with the inner peripheral surface of base body by limited roller, in rotation process, limited roller also rotates base body, reduces
The frictional force of limiting device and base body reduces energy consumption.
It is further improved, the base body is welded to form by angle steel and steel plate, and angle steel constitutes frame, is adopted around frame
It is wrapped up with steel plate, multiple deep floors is welded on frame, improve the intensity of domed base.
It is further improved, the periphery of the base body is provided with shirt rim, and the shirt rim includes rake and vertical portion, skirt
While being connected by the periphery of rake and base body, the angle of rake and vertical portion is 110 degree.It is prevented by the way that shirt rim is arranged
Sundries enters in driving device, multiple idler pulley devices and limiting device, influences its normal rotation, while being also prevented from idler and leaning on
Closely, safety is improved.
Compared with prior art, the present invention has the advantages that：
Affiliated motor-driven drive sprockets rotation, sprocket wheel is engaged with chain drives base body along its center rotating, pedestal sheet
The movable circle for being arranged on the circular ring shape raceway that multiple support rollers form, being formed along multiple support rollers using frictional force base body of body
Ring raceway rotates, and is engaged with chain by sprocket wheel, is conveniently accurately controlled, can accurately control the rotational angle of dome.
Description of the drawings
Fig. 1 is the structural schematic diagram of the novel base body of this reality.
Fig. 2 is the sectional view of the domed base of chain wheel drive radially.
Fig. 3 is the structural schematic diagram of driving device.
Fig. 4 is idler pulley device and limiting device idler pulley device and limiting device.
Specific implementation mode
For a better understanding of the present invention, present disclosure is further illustrated with reference to embodiment, but the present invention
Content is not limited solely to the following examples.
As shown in Figs 1-4, a kind of domed base of chain wheel drive, including annular base ontology 1, driving device 2, multiple supports
Roll device and limiting device；The driving device 2 includes motor 22, reduction box 23, the chain of holder 21 and setting on the stent 21
Wheel 24, the output shaft of motor 22 is connect with the input shaft of reduction box 23 by belt, output shaft and the sprocket wheel 24 of reduction box 23
Shaft is fixedly connected, and sprocket wheel shaft is vertically arranged；The inner peripheral surface of the base body 1 is fixedly installed endless roller chain 13, ring
Shape roller chain 13 is coaxially disposed with base body 1, and driving device 2 is fixed on by holder 21 on ground, and is located at base body 2
Inside, sprocket wheel 24 engages with roller chain 13；Each idler pulley device include pedestal 31 and be arranged on pedestal 31 support roller
32, the shaft of support roller 32 is rotatably arranged on by bearing on pedestal 31, and support roller shaft is horizontally disposed；Between the multiple support roller 32 etc.
Away from arranging in a ring, the top of multiple support rollers 32 is in the same plane, and base body 1 is movable to be arranged on support roller 32, electricity
22 drive sprocket 24 of machine rotates, and sprocket wheel 24 is engaged with chain drives base body 1 along its center rotating, and multiple support rollers 32 form
Circular ring shape raceway and base body 1 it is coaxial；The quantity of the limiting device is identical as idler pulley device quantity, and idler pulley device passes through
Pedestal 31 is fixed on ground, and positioned at the inside of base body 1；Each limiting device includes the limit rolling being arranged on pedestal 31
Wheel 33, limited roller logical 33 are crossed first rotating shaft and are rotatablely connected with pedestal 31, and first rotating shaft is vertically arranged, and multiple limited rollers 33 are in
Annular setting, and the surface of limited roller 33 is contacted with the inner peripheral surface of base body 1, and the height of limited roller 33 is higher than sprocket wheel
24。
Motor-driven drive sprockets rotate, and sprocket wheel is engaged with chain drives base body along its center rotating, and base body is lived
Dynamic formula is arranged on the circular ring shape raceway that multiple support rollers form, the circular ring shape formed along multiple support rollers using frictional force base body
Raceway rotates, and is engaged with chain by sprocket wheel, is conveniently accurately controlled, can accurately control the rotational angle of dome.
By the way that multiple limiting devices are arranged, it is equivalent to one cylinder of setting, base body 1 is set on cylinder, prevents
In rotation process, deviates, de-orbits on the inside or outside of 1 phase of base body, improve the stability of entire dome, limit simultaneously
Device is contacted by limited roller 33 with the inner peripheral surface of base body 1, and base body 1 is in rotation process, limited roller 33
Rotation reduces the frictional force of limiting device and base body, reduces energy consumption.
In this embodiment, the base body 1 is welded to form by angle steel and steel plate, angle steel composition frame, around frame
It is wrapped up using steel plate, multiple deep floors 11 is welded on frame, improve the intensity of domed base.
In this embodiment, the periphery of the base body is provided with shirt rim 12, and the shirt rim 12 is including rake and vertically
Portion, shirt rim 12 are connected by the periphery of rake and base body, and the angle of rake and vertical portion is 110 degree.Pass through setting
Shirt rim prevents sundries from entering in driving device, multiple idler pulley devices and limiting device, influences its normal rotation, while being also prevented from the spare time
Miscellaneous personnel are close, improve safety.
Do not done in the present invention illustrate be the prior art or can be realized by the prior art, and the present invention
Described in specific implementation case be only the present invention preferable case study on implementation, practical range not for the purpose of limiting the invention.
That is equivalent changes and modifications made by all contents according to scope of the present invention patent all should be used as the technology scope of the present invention.
Claims (3)
1. a kind of domed base of chain wheel drive, which is characterized in that including annular base ontology, driving device, multiple idler pulleies dress
It sets and limiting device；
The driving device includes holder and the motor, reduction box, the sprocket wheel that are arranged on holder, the output shaft and reduction box of motor
Input shaft connected by belt, the output shaft of reduction box is fixedly connected with the shaft of sprocket wheel, and sprocket wheel shaft is vertically arranged；
The inner peripheral surface of the base body is fixedly installed roller chain, forms circular orbit, and circular orbit is coaxial with base body
Setting, driving device are fixed by the bracket on ground, and positioned at the inside of base body, and sprocket wheel is engaged with roller chain；
Each idler pulley device includes pedestal and the support roller that is arranged on pedestal, and the shaft of support roller is rotatably arranged on by bearing
On pedestal, support roller shaft is horizontally disposed；The multiple support roller equidistantly arranges that the top of multiple support rollers is located at same put down in a ring
On face, base body is movable to be arranged on support roller, motor-driven drive sprockets rotation, and sprocket wheel is engaged with chain drives base body edge
Its center rotating, the circular ring shape raceway and base body of multiple support roller compositions are coaxial；
The quantity of the limiting device is identical as idler pulley device quantity, and idler pulley device is fixed by pedestal on ground, and is located at bottom
The inside of seat ontology；Each limiting device includes the limited roller being arranged on pedestal, and limited roller passes through first rotating shaft and base
Seat rotation connection, first rotating shaft are vertically arranged, and multiple limited rollers are arranged in a ring, and the surface of limited roller and base body
Inner peripheral surface contact, and the height of limited roller be higher than sprocket wheel.
2. the domed base of chain wheel drive according to claim 1, which is characterized in that the base body is by angle steel and steel
Plate is welded to form, and angle steel constitutes frame, is wrapped up using steel plate around frame, multiple deep floors are welded on frame.
3. the domed base of chain wheel drive according to claim 1, which is characterized in that the periphery of the base body is arranged
Have a shirt rim, the shirt rim includes rake and vertical portion, and shirt rim is connected by the periphery of rake and base body, rake and
The angle of vertical portion is 110 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298526.6A CN108797872A (en) | 2017-04-28 | 2017-04-28 | A kind of domed base of chain wheel drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298526.6A CN108797872A (en) | 2017-04-28 | 2017-04-28 | A kind of domed base of chain wheel drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108797872A true CN108797872A (en) | 2018-11-13 |
Family
ID=64053275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710298526.6A Pending CN108797872A (en) | 2017-04-28 | 2017-04-28 | A kind of domed base of chain wheel drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108797872A (en) |
-
2017
- 2017-04-28 CN CN201710298526.6A patent/CN108797872A/en active Pending
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